NPC compilation error fix.

PacketListenerAbstract should be used.

.github/FUNDING.yml

@@ -0,0 +1,5 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: retrooper
+custom: ['https://paypal.me/retrooperdev']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,41 @@
+---
+name: Bug report
+about: Report a bug to help us fix
+title: "[BUG REPORT]"
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+*Example:*
+1. Login on the 1.16.4 minecraft client.
+2. Join the server while it is still starting up.
+3. ....
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**About your server (please complete the following information):**
+ - Spigot: [eg. Paper or Tuinity]
+    We only accept reports that are reproducible
+    on one of the supported spigots.
+ 
+- Server Version: [eg. 1.16.4]
+    Feel free to report bugs for versions newer than 1.7.10, even if we
+    don’t support them yet, but be aware that we might have already
+    found the bug and fixed it in a dev build, just before you reported it.
+    Please don’t get frustrated in such cases.
+
+- Plugins List if possible: [eg. ViaVersion, ProtocolLib, HolographicDisplays]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,21 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: FEATURE REQUEST
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered to solve your solution without
+us adding this as a feature?**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,67 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ master, dev ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master, dev ]
+  schedule:
+    - cron: '39 0 * * 0'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'java' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/maven.yml

@@ -1,30 +0,0 @@
-name: Generate and deploy JavaDocs
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
-      with:
-        java-version: 1.8
-    - name: Build with Maven
-      run: mvn install
-    - name: List target/apidocs
-      run: ls target/apidocs
-    - name: GitHub Pages
-      uses: crazy-max/ghaction-github-pages@v2.1.2
-      env:
-        GH_PAT: ${{ secrets.GH_PAT }}
-      with:
-        target_branch: javadocs
-        keep_history: true
-        build_dir: target/apidocs
-        commit_message: Update JavaDocs

README.md

@@ -1,20 +1,21 @@
-# packetevents 
+# packetevents
 
-A spigot packet API with some nice utlities.
+PacketEvents is an open-source Packet API. It has many cross-version packet-wrappers. You can process incoming and outgoing packets on the server. You can even send packets with our packet-wrappers. We are here to save you a ton of time.
 
-## About
+### Resources
+* [SpigotMC](https://www.spigotmc.org/resources/packetevents-api.80279/)
+* [JavaDoc](https://retrooper.github.io/packetevents)
 
-This packetlistener is **only** supported on spigot servers and has been tested to work on these spigot forks: PaperSpigot, Tuinity
+### License
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)\
+PacketEvents is currently licensed under the MIT License.
 
-* No dependencies
+### Contributing/Forking
+[Learn more](https://github.com/retrooper/packetevents/wiki/2.-Contributing-and-Forking)\
+Our discord server has a role for contributors and forkers.
 
-* Licensed under the MIT license
-
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-
-Our discord server: https://discord.me/packetevents
-
-[![](https://jitpack.io/v/retrooper/packetevents.svg)](https://jitpack.io/#retrooper/packetevents)
-
-[![](https://jitci.com/gh/retrooper/packetevents/svg)](https://jitci.com/gh/retrooper/packetevents)
+### Setup
+[Learn more](https://github.com/retrooper/packetevents/wiki/1.-Setup)
 
+### Author
+PacketEvents was started by retrooper.

pom.xml

@@ -1,23 +1,32 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>io.github.retrooper</groupId>
     <artifactId>packetevents</artifactId>
-    <version>1.6.9.2</version>
-
-    <!-- You can build the project with this: "mvn clean compile assembly:single" -->
+    <version>1.8-pre-12</version>
     <build>
         <plugins>
             <plugin>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <configuration>
-                    <descriptorRefs>
-                        <descriptorRef>jar-with-dependencies</descriptorRef>
-                    </descriptorRefs>
-                </configuration>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <minimizeJar>true</minimizeJar>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <createTestSourcesJar>false</createTestSourcesJar>
+                            <shadedArtifactAttached>false</shadedArtifactAttached>
+                        </configuration>
+                    </execution>
+                </executions>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -27,19 +36,27 @@
                     <target>8</target>
                 </configuration>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <id>attach-javadocs</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
+            <!--
+             <plugin>
+                 <groupId>org.apache.maven.plugins</groupId>
+                 <artifactId>maven-javadoc-plugin</artifactId>
+                 <executions>
+                     <execution>
+                         <id>attach-javadocs</id>
+                         <goals>
+                             <goal>jar</goal>
+                         </goals>
+                     </execution>
+                 </executions>
+             </plugin>
+             -->
         </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
     </build>
     <packaging>jar</packaging>
     <name>packetevents</name>
@@ -67,13 +84,20 @@
             <url>https://repo.viaversion.com</url>
         </repository>
         <repository>
-            <id>dmulloy2-repo</id>
-            <url>https://repo.dmulloy2.net/nexus/repository/public/</url>
+            <id>sonotype</id>
+            <url>https://oss.sonatype.org/content/repositories/releases/</url>
         </repository>
     </repositories>
 
 
     <dependencies>
+        <dependency>
+            <groupId>org.jetbrains</groupId>
+            <artifactId>annotations</artifactId>
+            <version>20.1.0</version>
+            <scope>compile</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.github.spigot</groupId>
             <artifactId>1.16.2</artifactId>
@@ -88,6 +112,13 @@
             <scope>provided</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.github.spigot</groupId>
+            <artifactId>1.13</artifactId>
+            <version>1.13</version>
+            <scope>provided</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.github.spigot</groupId>
             <artifactId>1.12.2</artifactId>
@@ -95,6 +126,20 @@
             <scope>provided</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.github.spigot</groupId>
+            <artifactId>1.9.4</artifactId>
+            <version>1.9.4</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.github.spigot</groupId>
+            <artifactId>1.9</artifactId>
+            <version>1.9</version>
+            <scope>provided</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.github.spigot</groupId>
             <artifactId>1.8.8</artifactId>
@@ -109,24 +154,17 @@
             <scope>provided</scope>
         </dependency>
 
-        <dependency>
-            <groupId>com.comphenix.protocol</groupId>
-            <artifactId>ProtocolLib</artifactId>
-            <version>4.5.0</version>
-            <scope>provided</scope>
-        </dependency>
-
         <dependency>
             <groupId>us.myles</groupId>
             <artifactId>viaversion</artifactId>
-            <version>3.0.1</version>
+            <version>3.2.0</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>com.github.ProtocolSupport</groupId>
             <artifactId>ProtocolSupport</artifactId>
-            <version>4fdd683</version>
+            <version>3d24efeda6</version>
             <scope>provided</scope>
         </dependency>
 

src/main/java/io/github/retrooper/packetevents/PacketEvents.java

@@ -24,161 +24,235 @@
 
 package io.github.retrooper.packetevents;
 
-import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.event.impl.PostPlayerInjectEvent;
+import io.github.retrooper.packetevents.event.manager.EventManager;
+import io.github.retrooper.packetevents.event.manager.PEEventManager;
+import io.github.retrooper.packetevents.exceptions.PacketEventsLoadFailureException;
+import io.github.retrooper.packetevents.injector.GlobalChannelInjector;
+import io.github.retrooper.packetevents.packettype.PacketType;
 import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
 import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.processor.BukkitEventProcessorInternal;
+import io.github.retrooper.packetevents.processor.PacketProcessorInternal;
 import io.github.retrooper.packetevents.settings.PacketEventsSettings;
 import io.github.retrooper.packetevents.updatechecker.UpdateChecker;
 import io.github.retrooper.packetevents.utils.entityfinder.EntityFinderUtils;
+import io.github.retrooper.packetevents.utils.netty.bytebuf.ByteBufUtil;
+import io.github.retrooper.packetevents.utils.netty.bytebuf.ByteBufUtil_7;
+import io.github.retrooper.packetevents.utils.netty.bytebuf.ByteBufUtil_8;
 import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.player.ClientVersion;
+import io.github.retrooper.packetevents.utils.player.PlayerUtils;
+import io.github.retrooper.packetevents.utils.server.ServerUtils;
 import io.github.retrooper.packetevents.utils.server.ServerVersion;
-import io.github.retrooper.packetevents.utils.versionlookup.VersionLookupUtils;
-import io.github.retrooper.packetevents.version.PEVersion;
+import io.github.retrooper.packetevents.utils.version.PEVersion;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.player.PlayerJoinEvent;
-import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.ServicePriority;
 
-import java.lang.reflect.Field;
-import java.util.ArrayList;
-import java.util.Random;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.atomic.AtomicBoolean;
 
-public final class PacketEvents implements Listener {
-    private static String nettyHandlerIdentifier = generateRandomNettyIdentifier();
+public final class PacketEvents implements Listener, EventManager {
+    public static String handlerName;
+    //TODO finish unfinished wrappers
+    private static PacketEvents instance;
+    private static Plugin plugin;
+    private final PEVersion version = new PEVersion(1, 7, 9, 12);
+    private final EventManager eventManager = new PEEventManager();
+    private final PlayerUtils playerUtils = new PlayerUtils();
+    private final ServerUtils serverUtils = new ServerUtils();
+    private final UpdateChecker updateChecker = new UpdateChecker();
+    public final PacketProcessorInternal packetProcessorInternal = new PacketProcessorInternal();
+    public final BukkitEventProcessorInternal bukkitEventProcessorInternal = new BukkitEventProcessorInternal();
+    public final GlobalChannelInjector injector = new GlobalChannelInjector();
+    private volatile boolean loading, loaded;
+    private final AtomicBoolean injectorReady = new AtomicBoolean(false);
+    private boolean initialized, initializing, terminating;
+    private PacketEventsSettings settings = new PacketEventsSettings();
+    private ByteBufUtil byteBufUtil;
 
-    private static final PacketEventsAPI packetEventsAPI = new PacketEventsAPI();
-    private static final PacketEvents instance = new PacketEvents();
-    private static final ArrayList<Plugin> plugins = new ArrayList<Plugin>(1);
-    private static boolean loaded, initialized, isBungee;
-    private static final PEVersion version = new PEVersion(1, 6, 9, 2);
+    public static PacketEvents create(final Plugin plugin) {
+        if (Bukkit.isPrimaryThread()) {
+            //We are on the main thread
+            if (!Bukkit.getServicesManager().isProvidedFor(PacketEvents.class)) {
+                //We can register in the service manager.
+                instance = new PacketEvents();
+                Bukkit.getServicesManager().register(PacketEvents.class, instance,
+                        plugin, ServicePriority.Normal);
+                PacketEvents.plugin = plugin;
+                return instance;
+            } else {
+                //We have already registered. Let us load what was registered.
+                return instance = Bukkit.getServicesManager().load(PacketEvents.class);
+            }
+        } else {
+            //We are off thread, we cannot use the service manager.
+            if (instance == null) {
+                PacketEvents.plugin = plugin;
+                instance = new PacketEvents();
+            }
+            return instance;
+        }
+    }
 
-    private static PacketEventsSettings settings = new PacketEventsSettings();
+    public static PacketEvents get() {
+        return instance;
+    }
 
-    /**
-     * This loads the PacketEvents API.
-     * <p>
-     * ServerVersion:
-     * In this method we detect and cache the server version.
-     * <p>
-     * NMSUtils:
-     * We setup some NMS utilities.
-     * <p>
-     * Packet ID System:
-     * All the packet classes we will be needing are cached in a Map with an integer ID.
-     * <p>
-     * Version Lookup Utils:
-     * We setup the client protocol version system.
-     * We check if ViaVersion, ProtocolSupport or ProtocolLib is present.
-     * <p>
-     * Wrappers:
-     * All PacketEvents' wrappers are setup and do all loading they need to do.
-     */
-    public static void load() {
-        if (!loaded) {
+    @Deprecated
+    public static PacketEvents getAPI() {
+        return get();
+    }
+
+
+    public void load() {
+        if (!loaded && !loading) {
+            loading = true;
             ServerVersion version = ServerVersion.getVersion();
             WrappedPacket.version = version;
-            PacketEvent.version = version;
             NMSUtils.version = version;
             EntityFinderUtils.version = version;
+            handlerName = "pe-" + plugin.getName();
+            try {
+                NMSUtils.load();
 
-            NMSUtils.load();
+                PacketTypeClasses.load();
 
-            PacketTypeClasses.Client.load();
-            PacketTypeClasses.Server.load();
+                PacketType.load();
 
-            EntityFinderUtils.load();
+                EntityFinderUtils.load();
+            } catch (Exception ex) {
+                loading = false;
+                throw new PacketEventsLoadFailureException(ex);
+            }
+
+            byteBufUtil = NMSUtils.legacyNettyImportMode ? new ByteBufUtil_7() : new ByteBufUtil_8();
+
+            if (!injectorReady.get()) {
+                injector.load();
+                try {
+                    injector.inject();
+                } catch (Exception ex) {
+                    ex.printStackTrace();
+                }
+                injectorReady.set(true);
+            }
 
-            WrappedPacket.loadAllWrappers();
             loaded = true;
+            loading = false;
         }
-
     }
 
-    public static void loadSettings(PacketEventsSettings settings) {
-        PacketEvents.settings = settings;
+    public void loadAsyncNewThread() {
+        new Thread(this::load).start();
     }
 
-    public static void init(final Plugin plugin) {
+    public void loadAsync(ExecutorService executorService) {
+        executorService.execute(this::load);
+    }
+
+    public void loadSettings(PacketEventsSettings settings) {
+        this.settings = settings;
+    }
+
+    public void init() {
+        init(getSettings());
+    }
+
+    public void init(PacketEventsSettings packetEventsSettings) {
+        //Load if we haven't loaded already
+        load();
+        if (!initialized && !initializing) {
+            initializing = true;
+            settings = packetEventsSettings;
+            settings.lock();
+
+            if (settings.shouldCheckForUpdates()) {
+                handleUpdateCheck();
+            }
+
+            //We may not continue until the injector has been initialized!
+            while (!injectorReady.get()) {
+                ;
+            }
+
+            Bukkit.getPluginManager().registerEvents(bukkitEventProcessorInternal, plugin);
+            for (final Player p : Bukkit.getOnlinePlayers()) {
+                try {
+                    injector.injectPlayer(p);
+                    PacketEvents.get().getEventManager().callEvent(new PostPlayerInjectEvent(p, false));
+                } catch (Exception ex) {
+                    p.kickPlayer("Failed to inject... Please rejoin!");
+                }
+            }
+
+            initialized = true;
+            initializing = false;
+        }
+    }
+
+    @Deprecated
+    public void init(Plugin plugin) {
         init(plugin, settings);
     }
 
-    /**
-     * Initiates PacketEvents
-     * <p>
-     * Loading:
-     * Loads PacketEvents if you haven't already.
-     * <p>
-     * Registering:
-     * Registers this class as a Bukkit listener to inject/eject players.
-     *
-     * @param pl JavaPlugin instance
-     */
-    public static void init(final Plugin pl, PacketEventsSettings packetEventsSettings) {
-        if (!loaded) {
-            load();
-        }
-        if (!initialized) {
-            settings = packetEventsSettings;
-            plugins.add(pl);
-            //Register Bukkit listener
-            Bukkit.getPluginManager().registerEvents(instance, plugins.get(0));
-
-            for (final Player p : Bukkit.getOnlinePlayers()) {
-                getAPI().getPlayerUtils().injectPlayer(p);
-            }
-            initialized = true;
-
-            Class<?> spigotConfigClass;
-            try {
-                spigotConfigClass = Class.forName("org.spigotmc.SpigotConfig");
-                Field f = spigotConfigClass.getDeclaredField("bungee");
-                isBungee = f.getBoolean(null);
-            } catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
-                isBungee = false;
-            }
-
-            if (settings.shouldCheckForUpdates()) {
-                Bukkit.getScheduler().runTask(pl, () -> new UpdateChecker().handleUpdate());
-            }
-        }
+    @Deprecated
+    public void init(Plugin pl, PacketEventsSettings packetEventsSettings) {
+        init(packetEventsSettings);
     }
 
-    /**
-     *
-     */
-    public static void stop() {
-        if (initialized) {
-            for (final Player p : Bukkit.getOnlinePlayers()) {
-                getAPI().getPlayerUtils().ejectPlayer(p);
+    public void terminate() {
+        if (initialized && !terminating) {
+            for (Player p : Bukkit.getOnlinePlayers()) {
+                injector.ejectPlayer(p);
             }
-            getAPI().getEventManager().unregisterAllListeners();
+            injector.eject();
 
+            getEventManager().unregisterAllListeners();
             initialized = false;
+            terminating = false;
         }
     }
 
-    public static boolean hasLoaded() {
+    /**
+     * Use {@link #terminate()}. This is deprecated
+     *
+     * @deprecated "Stop" might be misleading and "terminate" sounds better I guess...
+     */
+    @Deprecated
+    public void stop() {
+        terminate();
+    }
+
+    public boolean isLoading() {
+        return loading;
+    }
+
+    public boolean hasLoaded() {
         return loaded;
     }
 
-    public static boolean isInitialized() {
+    public boolean isTerminating() {
+        return terminating;
+    }
+
+    @Deprecated
+    public boolean isStopping() {
+        return isTerminating();
+    }
+
+    public boolean isInitializing() {
+        return initializing;
+    }
+
+    public boolean isInitialized() {
         return initialized;
     }
 
-    public static PacketEventsAPI getAPI() {
-        return packetEventsAPI;
-    }
-
-    public static ArrayList<Plugin> getPlugins() {
-        return plugins;
-    }
-
-    public static String getHandlerName(final String name) {
-        return "pe-" + nettyHandlerIdentifier + "-" + name;
+    public Plugin getPlugin() {
+        return plugin;
     }
 
     /**
@@ -186,46 +260,64 @@ public final class PacketEvents implements Listener {
      *
      * @return Configure some settings for the API
      */
-    public static PacketEventsSettings getSettings() {
+    public PacketEventsSettings getSettings() {
         return settings;
     }
 
-    public static PEVersion getVersion() {
+    public PEVersion getVersion() {
         return version;
     }
 
-    @EventHandler
-    public void onJoin(final PlayerJoinEvent e) {
-        if (!VersionLookupUtils.hasLoaded()) {
-            VersionLookupUtils.load();
-        }
-        //for now we don't support bungee, rather handle it than have it FALSE
-        //and return the version of the server.
-        if (isBungee) {
-            PacketEvents.getAPI().getPlayerUtils().clientVersionsMap.put(e.getPlayer().getUniqueId(), ClientVersion.UNKNOWN);
-        } else {
-            ClientVersion version = ClientVersion.getClientVersion(VersionLookupUtils.getProtocolVersion(e.getPlayer()));
-            PacketEvents.getAPI().getPlayerUtils().clientVersionsMap.put(e.getPlayer().getUniqueId(), version);
-        }
-        PacketEvents.getAPI().getPlayerUtils().injectPlayer(e.getPlayer());
+    public EventManager getEventManager() {
+        return eventManager;
     }
 
-    @EventHandler
-    public void onQuit(final PlayerQuitEvent e) {
-        PacketEvents.getAPI().getPlayerUtils().ejectPlayer(e.getPlayer());
-        PacketEvents.getAPI().getPlayerUtils().clientVersionsMap.remove(e.getPlayer().getUniqueId());
+    public PlayerUtils getPlayerUtils() {
+        return playerUtils;
     }
 
-    private static String generateRandomNettyIdentifier() {
-        String alphabet = "abcdefghijklmnopqrstuvwxyz";
-        StringBuilder sb = new StringBuilder();
-        Random random = new Random();
-        while (sb.length() < 13) {
-            int index = (int) (random.nextFloat() * alphabet.length());
-            sb.append(alphabet.charAt(index));
-        }
-
-        return sb.toString();
+    public ServerUtils getServerUtils() {
+        return serverUtils;
     }
 
-}
+    public ByteBufUtil getByteBufUtil() {
+        return byteBufUtil;
+    }
+
+    public UpdateChecker getUpdateChecker() {
+        return updateChecker;
+    }
+
+    private void handleUpdateCheck() {
+        Thread thread = new Thread(() -> {
+            PacketEvents.get().getPlugin().getLogger().info("[PacketEvents] Checking for an update, please wait...");
+            UpdateChecker.UpdateCheckerStatus status = updateChecker.checkForUpdate();
+            int seconds = 5;
+            for (int i = 0; i < 5; i++) {
+                if (status == UpdateChecker.UpdateCheckerStatus.FAILED) {
+                    PacketEvents.get().getPlugin().getLogger().severe("[PacketEvents] Checking for an update again in " + seconds + " seconds...");
+                    try {
+                        Thread.sleep(seconds * 1000L);
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+
+                    seconds *= 2;
+
+                    status = updateChecker.checkForUpdate();
+
+                    if (i == 4) {
+                        PacketEvents.get().getPlugin().getLogger().severe("[PacketEvents] PacketEvents failed to check for an update. No longer retrying.");
+                        break;
+                    }
+                } else {
+                    break;
+                }
+
+            }
+
+        }, "PacketEvents-update-check-thread");
+        thread.start();
+    }
+
+}

src/main/java/io/github/retrooper/packetevents/PacketEventsPlugin.java

@@ -22,32 +22,33 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.example;
+package io.github.retrooper.packetevents;
 
-import io.github.retrooper.packetevents.PacketEvents;
-import io.github.retrooper.packetevents.event.PacketListener;
+import io.github.retrooper.packetevents.settings.PacketEventsSettings;
 import io.github.retrooper.packetevents.utils.server.ServerVersion;
 import org.bukkit.plugin.java.JavaPlugin;
 
-public class MainExample extends JavaPlugin implements PacketListener {
-
+public class PacketEventsPlugin extends JavaPlugin {
     @Override
     public void onLoad() {
-        PacketEvents.load();
+        //Return value of create is your PacketEvents instance.
+        PacketEvents instance = PacketEvents.create(this);
+        PacketEventsSettings settings = instance.getSettings();
+        settings
+                .fallbackServerVersion(ServerVersion.v_1_7_10)
+                .compatInjector(false)
+                .checkForUpdates(false);
+        PacketEvents.get().loadAsyncNewThread();
     }
 
     @Override
     public void onEnable() {
-        PacketEvents.getSettings().injectAsync(true).ejectAsync(true)
-                .autoResolveClientProtocolVersion(true)
-                .backupServerVersion(ServerVersion.v_1_7_10).
-                useProtocolLibIfAvailable(true).checkForUpdates(true);
-        PacketEvents.init(this);
-        PacketEvents.getAPI().getEventManager().registerListener(this);
+        //Other way to access your instance...
+        PacketEvents.get().init();
     }
 
     @Override
     public void onDisable() {
-        PacketEvents.stop();
+        PacketEvents.get().terminate();
     }
 }

src/main/java/io/github/retrooper/packetevents/event/PacketEvent.java

@@ -25,25 +25,41 @@
 package io.github.retrooper.packetevents.event;
 
 
-import io.github.retrooper.packetevents.utils.server.ServerVersion;
+import io.github.retrooper.packetevents.event.eventtypes.CallableEvent;
 
 /**
- * An event in the PacketEvents EventManager system.
+ * An event in both of PacketEvents' event systems.
+ *
+ * @author retrooper
+ * @since 1.2.6
  */
-public abstract class PacketEvent {
-    public static ServerVersion version;
+public abstract class PacketEvent implements CallableEvent {
     private long timestamp = System.currentTimeMillis();
 
     /**
-     * Timestamp of the packet
+     * Timestamp of when the PacketEvent was created.
+     * Basically timestamp of the packet.
      *
-     * @return timestamp in milliseconds
+     * @return Packet timestamp in milliseconds.
      */
     public long getTimestamp() {
         return timestamp;
     }
 
-    public void setTimestamp(long timestamp) {
+    /**
+     * Setter for the timestamp.
+     *
+     * @param timestamp Packet timestamp in milliseconds.
+     */
+    public void setTimestamp(final long timestamp) {
         this.timestamp = timestamp;
     }
+
+    public void callPacketEventExternal(final PacketListenerAbstract listener) {
+        listener.onPacketEventExternal(this);
+    }
+
+    public boolean isInbuilt() {
+        return false;
+    }
 }

src/main/java/io/github/retrooper/packetevents/event/PacketListener.java

@@ -25,8 +25,14 @@
 package io.github.retrooper.packetevents.event;
 
 /**
- * A Packet listener.
- * Implement this interface in your listeners.
+ * The legacy Packet listener.
+ * Implement this interface in your listener if you are using the legacy event system.
+ *
+ * @author retrooper
+ * @see PacketListenerAbstract
+ * @since 1.2.6
+ * @deprecated There is a new and better listener for the new event system.
  */
+@Deprecated
 public interface PacketListener {
 }

src/main/java/io/github/retrooper/packetevents/event/PacketListenerAbstract.java

@@ -0,0 +1,177 @@
+package io.github.retrooper.packetevents.event;
+
+import io.github.retrooper.packetevents.event.impl.*;
+import io.github.retrooper.packetevents.event.priority.PacketEventPriority;
+import io.github.retrooper.packetevents.utils.immutableset.ImmutableSetCustom;
+
+/**
+ * Abstract packet listener.
+ * @author retrooper
+ * @since 1.8
+ */
+public abstract class PacketListenerAbstract {
+    private final PacketEventPriority priority;
+    public ImmutableSetCustom<Byte> serverSidedStatusAllowance;
+    public ImmutableSetCustom<Byte> serverSidedLoginAllowance;
+    public ImmutableSetCustom<Byte> serverSidedPlayAllowance;
+
+    public ImmutableSetCustom<Byte> clientSidedStatusAllowance;
+    public ImmutableSetCustom<Byte> clientSidedHandshakeAllowance;
+    public ImmutableSetCustom<Byte> clientSidedLoginAllowance;
+    public ImmutableSetCustom<Byte> clientSidedPlayAllowance;
+
+    public PacketListenerAbstract(final PacketEventPriority priority) {
+        this.priority = priority;
+        this.serverSidedStatusAllowance = null;
+        this.serverSidedLoginAllowance = null;
+        this.serverSidedPlayAllowance = null;
+
+        this.clientSidedStatusAllowance = null;
+        this.clientSidedHandshakeAllowance = null;
+        this.clientSidedLoginAllowance = null;
+        this.clientSidedPlayAllowance = null;
+    }
+
+
+    public PacketListenerAbstract() {
+        this(PacketEventPriority.NORMAL);
+    }
+
+    public final PacketEventPriority getPriority() {
+        return priority;
+    }
+
+    public void onPacketStatusReceive(PacketStatusReceiveEvent event) {
+    }
+
+    public void onPacketStatusSend(PacketStatusSendEvent event) {
+    }
+
+    public void onPacketHandshakeReceive(PacketHandshakeReceiveEvent event) {
+    }
+
+    public void onPacketLoginReceive(PacketLoginReceiveEvent event) {
+    }
+
+    public void onPacketLoginSend(PacketLoginSendEvent event) {
+    }
+
+    public void onPacketPlayReceive(PacketPlayReceiveEvent event) {
+    }
+
+    public void onPacketPlaySend(PacketPlaySendEvent event) {
+    }
+
+    public void onPostPacketPlayReceive(PostPacketPlayReceiveEvent event) {
+    }
+
+    public void onPostPacketPlaySend(PostPacketPlaySendEvent event) {
+    }
+
+    public void onPostPlayerInject(PostPlayerInjectEvent event) {
+    }
+
+    public void onPlayerInject(PlayerInjectEvent event) {
+    }
+
+    public void onPlayerEject(PlayerEjectEvent event) {
+    }
+
+    public void onPacketEventExternal(PacketEvent event) {
+    }
+
+    public final void addServerSidedStatusFilter(Byte... statusPacketIDs) {
+        if (this.serverSidedStatusAllowance == null) {
+            this.serverSidedStatusAllowance = new ImmutableSetCustom<>(statusPacketIDs);
+        } else {
+            this.serverSidedStatusAllowance.addAll(statusPacketIDs);
+        }
+    }
+
+    public final void addServerSidedLoginFilter(Byte... loginPacketIDs) {
+        if (this.serverSidedLoginAllowance == null) {
+            this.serverSidedLoginAllowance = new ImmutableSetCustom<>(loginPacketIDs);
+        } else {
+            this.serverSidedLoginAllowance.addAll(loginPacketIDs);
+        }
+    }
+
+    public final void addServerSidedPlayFilter(Byte... playPacketIDs) {
+        if (this.serverSidedPlayAllowance == null) {
+            this.serverSidedPlayAllowance = new ImmutableSetCustom<>(playPacketIDs);
+        } else {
+            this.serverSidedPlayAllowance.addAll(playPacketIDs);
+        }
+    }
+
+    public final void addClientSidedStatusFilter(Byte... statusPacketIDs) {
+        if (this.clientSidedStatusAllowance == null) {
+            this.clientSidedStatusAllowance = new ImmutableSetCustom<>(statusPacketIDs);
+        } else {
+            this.clientSidedStatusAllowance.addAll(statusPacketIDs);
+        }
+    }
+
+    public final void addClientSidedHandshakeFilter(Byte... handshakePacketIDs) {
+        if (this.clientSidedHandshakeAllowance == null) {
+            this.clientSidedHandshakeAllowance = new ImmutableSetCustom<>(handshakePacketIDs);
+        } else {
+            this.clientSidedHandshakeAllowance.addAll(handshakePacketIDs);
+        }
+    }
+
+    public final void addClientSidedLoginFilter(Byte... loginPacketIDs) {
+        if (this.clientSidedLoginAllowance == null) {
+            this.clientSidedLoginAllowance = new ImmutableSetCustom<>(loginPacketIDs);
+        } else {
+            this.clientSidedLoginAllowance.addAll(loginPacketIDs);
+        }
+    }
+
+    public final void addClientSidedPlayFilter(Byte... playPacketIDs) {
+        if (this.clientSidedPlayAllowance == null) {
+            this.clientSidedPlayAllowance = new ImmutableSetCustom<>(playPacketIDs);
+        } else {
+            this.clientSidedPlayAllowance.addAll(playPacketIDs);
+        }
+    }
+
+    public final void filterAll() {
+        filterServerSidedStatus();
+        filterServerSidedLogin();
+        filterServerSidedPlay();
+
+        filterClientSidedStatus();
+        filterClientSidedHandshake();
+        filterClientSidedLogin();
+        filterClientSidedPlay();
+    }
+
+    public final void filterServerSidedStatus() {
+        this.serverSidedStatusAllowance = new ImmutableSetCustom<>();
+    }
+
+    public final void filterServerSidedLogin() {
+        this.serverSidedLoginAllowance = new ImmutableSetCustom<>();
+    }
+
+    public final void filterServerSidedPlay() {
+        this.serverSidedPlayAllowance = new ImmutableSetCustom<>();
+    }
+
+    public final void filterClientSidedStatus() {
+        this.clientSidedStatusAllowance = new ImmutableSetCustom<>();
+    }
+
+    public final void filterClientSidedHandshake() {
+        this.clientSidedHandshakeAllowance = new ImmutableSetCustom<>();
+    }
+
+    public final void filterClientSidedLogin() {
+        this.clientSidedLoginAllowance = new ImmutableSetCustom<>();
+    }
+
+    public final void filterClientSidedPlay() {
+        this.clientSidedPlayAllowance = new ImmutableSetCustom<>();
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/PacketListenerDynamic.java

@@ -0,0 +1,46 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event;
+
+import io.github.retrooper.packetevents.event.priority.PacketEventPriority;
+
+/**
+ * Deprecated abstract PacketListener.
+ * Please use {@link PacketListenerAbstract}, but this class will still work for a bit.
+ *
+ * @author retrooper
+ * @since 1.7.7
+ */
+@Deprecated
+public abstract class PacketListenerDynamic extends PacketListenerAbstract {
+    public PacketListenerDynamic(final PacketEventPriority priority) {
+        super(priority);
+    }
+
+
+    public PacketListenerDynamic() {
+        super(PacketEventPriority.NORMAL);
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/annotation/PacketHandler.java

@@ -24,16 +24,22 @@
 
 package io.github.retrooper.packetevents.event.annotation;
 
-import io.github.retrooper.packetevents.event.priority.PacketEventPriority;
-
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-@Target(ElementType.METHOD)
+/**
+ * This is what you override your event listener with on the old event system.
+ * You can specify the event priority of the listener method.
+ *
+ * @author retrooper
+ * @since 1.0
+ * @deprecated Was used for the old event system, the new one doesn't need this anymore.
+ */
+@Target({ElementType.METHOD})
 @Retention(RetentionPolicy.RUNTIME)
-
+@Deprecated
 public @interface PacketHandler {
-    byte priority() default PacketEventPriority.NORMAL;
+    byte priority() default 2; //NORMAL priority value
 }

src/main/java/io/github/retrooper/packetevents/event/eventtypes/CallableEvent.java

@@ -22,35 +22,23 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.event;
+package io.github.retrooper.packetevents.event.eventtypes;
+
+import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.impl.PacketPlayReceiveEvent;
 
 /**
- * This indicates that it is possible to cancel an event,
- * which should result in cancelling the planned action.
+ * The {@link PacketEvent} implements this interface.
+ * Every inbuilt event should implement the {@link #call(PacketListenerAbstract)} method.
+ * If you are making a custom event, don't implement this.
+ * The {@link PacketListenerAbstract#onPacketEventExternal(PacketEvent)} method is called for every event that is not in-built.
+ * including custom events.
+ *
+ * @author retrooper
+ * @see PacketPlayReceiveEvent
+ * @since 1.8
  */
-public interface CancellableEvent {
-
-    /**
-     * Has the event been cancelled?
-     * @return is event cancelled
-     */
-    boolean isCancelled();
-
-    /**
-     * Cancel or proceed with the event.
-     * @param val
-     */
-    void setCancelled(boolean val);
-
-    /**
-     * Cancel the event.
-     * You can achieve the same result by just using {@link #setCancelled(boolean)}
-     */
-    void cancel();
-
-    /**
-     * Uncancel the event.
-     * You can achieve the same result by just using {@link #setCancelled(boolean)}
-     */
-    void uncancel();
+public interface CallableEvent {
+    void call(PacketListenerAbstract listener);
 }

src/main/java/io/github/retrooper/packetevents/event/eventtypes/CancellableEvent.java

@@ -0,0 +1,57 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.eventtypes;
+
+import io.github.retrooper.packetevents.event.impl.PacketPlayReceiveEvent;
+
+/**
+ * Every event that supports cancellation should implement this interface.
+ * PacketEvents' event system lets the highest priority listener be have the highest priority
+ * in deciding whether the event will cancel.
+ * This means an event with a lower priority than the higher priority one would not be able to decide.
+ * Cancelling the event means the action assosiated with the event will be cancelled.
+ * For example, cancelling the {@link PacketPlayReceiveEvent}
+ * will prevent minecraft from processing the incoming packet.
+ *
+ * @author retrooper
+ * @see PacketPlayReceiveEvent
+ * @since 1.7
+ */
+public interface CancellableEvent {
+
+    /**
+     * This method returns if the event will be cancelled.
+     *
+     * @return Will the event be cancelled.
+     */
+    boolean isCancelled();
+
+    /**
+     * Cancel or proceed with the event.
+     *
+     * @param val Is the event cancelled
+     */
+    void setCancelled(boolean val);
+}

src/main/java/io/github/retrooper/packetevents/event/eventtypes/CancellableNMSPacketEvent.java

@@ -0,0 +1,27 @@
+package io.github.retrooper.packetevents.event.eventtypes;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+
+import java.net.InetSocketAddress;
+
+public abstract class CancellableNMSPacketEvent extends NMSPacketEvent implements CancellableEvent {
+    private boolean cancelled;
+
+    public CancellableNMSPacketEvent(Object channel, NMSPacket packet) {
+        super(channel, packet);
+    }
+
+    public CancellableNMSPacketEvent(InetSocketAddress address, NMSPacket packet) {
+        super(address, packet);
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean value) {
+        cancelled = value;
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/eventtypes/NMSPacketEvent.java

@@ -0,0 +1,116 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.eventtypes;
+
+import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.packettype.PacketType;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.utils.netty.channel.ChannelUtils;
+import io.github.retrooper.packetevents.utils.reflection.ClassUtil;
+
+import java.net.InetSocketAddress;
+
+/**
+ * The {@code NMSPacketEvent} abstract class represents an event that has to do with an actual packet.
+ * Don't mix this up with {@link io.github.retrooper.packetevents.event.PacketEvent}.
+ * The PacketEvent class represents an event that belongs to PacketEvent's packet system.
+ *
+ * @author retrooper
+ * @since 1.8
+ */
+public abstract class NMSPacketEvent extends PacketEvent implements CallableEvent {
+    private final InetSocketAddress socketAddress;
+    protected NMSPacket packet;
+    protected boolean cancelled;
+    private final byte packetID;
+
+    public NMSPacketEvent(Object channel, NMSPacket packet) {
+        this(ChannelUtils.getSocketAddress(channel), packet);//Call the constructor below
+    }
+
+    public NMSPacketEvent(InetSocketAddress address, NMSPacket packet) {
+        this.socketAddress = address;
+        this.packet = packet;
+        packetID = PacketType.packetIDMap.getOrDefault(packet.getRawNMSPacket().getClass(), PacketType.INVALID);
+    }
+
+    /**
+     * Get the associated player's socket address.
+     *
+     * @return Socket address of the associated player.
+     */
+    public final InetSocketAddress getSocketAddress() {
+        return socketAddress;
+    }
+
+    /**
+     * This method returns the name of the packet.
+     * To get the name of the packet we get the class of the packet and then the name of the class.
+     * See also: {@link Class#getSimpleName()}
+     * We cache the name after the first call to improve performance.
+     * Java 8 does not cache the name.
+     * It is not recommended to call this method unless you NEED it.
+     * If you are comparing packet types, use the {@link PacketType} byte system.
+     * You would only need the packet name if packet type system doesn't contain your desired packet yet.
+     *
+     * @return Name of the packet.
+     */
+    @Deprecated
+    public final String getPacketName() {
+        return ClassUtil.getClassSimpleName(packet.getRawNMSPacket().getClass());
+    }
+
+    /**
+     * Get the NMS packet.
+     *
+     * @return Get NMS packet.
+     */
+    public final NMSPacket getNMSPacket() {
+        return packet;
+    }
+
+    /**
+     * Update the NMS Packet.
+     *
+     * @param packet NMS Object
+     */
+    public final void setNMSPacket(NMSPacket packet) {
+        this.packet = packet;
+    }
+
+    /**
+     * Get the Packet ID.
+     *
+     * @return Packet ID.
+     */
+    public byte getPacketId() {
+        return packetID;
+    }
+
+    @Override
+    public boolean isInbuilt() {
+        return true;
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/eventtypes/PlayerEvent.java

@@ -0,0 +1,44 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.eventtypes;
+
+import io.github.retrooper.packetevents.event.impl.PacketPlayReceiveEvent;
+import org.bukkit.entity.Player;
+
+/**
+ * Every event that has an associated player is recommended to implement this interface.
+ *
+ * @author retrooper
+ * @see PacketPlayReceiveEvent
+ * @since 1.6.9
+ */
+public interface PlayerEvent {
+    /**
+     * Associated player.
+     *
+     * @return Player.
+     */
+    Player getPlayer();
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PacketHandshakeReceiveEvent.java

@@ -0,0 +1,34 @@
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableNMSPacketEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+
+import java.net.InetSocketAddress;
+
+/**
+ * The {@code PacketHandshakeReceiveEvent} event is fired whenever the a HANDSHAKE packet is received from a client.
+ * The {@code PacketHandshakeReceiveEvent} does not have to do with a bukkit player object due to the player object being null in this state.
+ * Use the {@link #getSocketAddress()} to identify who sends the packet.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Handshaking">https://wiki.vg/Protocol#Handshaking</a>
+ * @since 1.8
+ */
+public class PacketHandshakeReceiveEvent extends CancellableNMSPacketEvent {
+    public PacketHandshakeReceiveEvent(final Object channel, final NMSPacket packet) {
+        super(channel, packet);
+    }
+
+    public PacketHandshakeReceiveEvent(final InetSocketAddress socketAddress, final NMSPacket packet) {
+        super(socketAddress, packet);
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.clientSidedLoginAllowance == null || listener.clientSidedLoginAllowance.contains(getPacketId())) {
+            listener.onPacketHandshakeReceive(this);
+        }
+    }
+}
+

src/main/java/io/github/retrooper/packetevents/event/impl/PacketLoginReceiveEvent.java

@@ -0,0 +1,58 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableNMSPacketEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+
+import java.net.InetSocketAddress;
+
+/**
+ * The {@code PacketLoginReceiveEvent} event is fired whenever the a LOGIN packet is received from a client.
+ * The {@code PacketLoginReceiveEvent} does not have to do with a bukkit player object due to
+ * the player object being null in this state.
+ * Use the {@link #getSocketAddress()} to identify who sends the packet.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Login">https://wiki.vg/Protocol#Login</a>
+ * @since 1.8
+ */
+public class PacketLoginReceiveEvent extends CancellableNMSPacketEvent {
+    public PacketLoginReceiveEvent(final Object channel, final NMSPacket packet) {
+        super(channel, packet);
+    }
+
+    public PacketLoginReceiveEvent(final InetSocketAddress socketAddress, final NMSPacket packet) {
+        super(socketAddress, packet);
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.clientSidedLoginAllowance == null || listener.clientSidedLoginAllowance.contains(getPacketId())) {
+            listener.onPacketLoginReceive(this);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PacketLoginSendEvent.java

@@ -0,0 +1,58 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableNMSPacketEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+
+import java.net.InetSocketAddress;
+
+/**
+ * The {@code PacketLoginSendEvent} event is fired whenever the a LOGIN packet is being planned to be sent to the client.
+ * The {@code PacketLoginSendEvent} does not have to do with a bukkit player object due to
+ * the player object being null in this state.
+ * Use the {@link #getSocketAddress()} to identify who sends the packet.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Login">https://wiki.vg/Protocol#Login</a>
+ * @since 1.8
+ */
+public class PacketLoginSendEvent extends CancellableNMSPacketEvent {
+    public PacketLoginSendEvent(Object channel, NMSPacket packet) {
+        super(channel, packet);
+    }
+
+    public PacketLoginSendEvent(InetSocketAddress address, NMSPacket packet) {
+        super(address, packet);
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.serverSidedLoginAllowance == null || listener.serverSidedLoginAllowance.contains(getPacketId())) {
+            listener.onPacketLoginSend(this);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PacketPlayReceiveEvent.java

@@ -0,0 +1,70 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableNMSPacketEvent;
+import io.github.retrooper.packetevents.event.eventtypes.PlayerEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * The {@code PacketPlayReceiveEvent} event is fired whenever the a PLAY packet is
+ * received from any connected client.
+ * Cancelling this event will result in preventing minecraft from processing the incoming packet.
+ * It would be as if the player never sent the packet from the server's view.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Play">https://wiki.vg/Protocol#Play</a>
+ * @since 1.2.6
+ */
+public final class PacketPlayReceiveEvent extends CancellableNMSPacketEvent implements PlayerEvent {
+    private final Player player;
+
+    public PacketPlayReceiveEvent(Player player, Object channel, NMSPacket packet) {
+        super(channel, packet);
+        this.player = player;
+    }
+
+    /**
+     * This method returns the bukkit player object of the packet sender.
+     * The player object might be null during early packets.
+     *
+     * @return Packet sender.
+     */
+    @NotNull
+    @Override
+    public Player getPlayer() {
+        return player;
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.clientSidedPlayAllowance == null || listener.clientSidedPlayAllowance.contains(getPacketId())) {
+            listener.onPacketPlayReceive(this);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PacketPlaySendEvent.java

@@ -0,0 +1,70 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableNMSPacketEvent;
+import io.github.retrooper.packetevents.event.eventtypes.PlayerEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * The {@code PacketPlaySendEvent} event is fired whenever the a PLAY packet is about to be sent.
+ * Cancelling this event will result in preventing minecraft from sending the packet.
+ * The player won't receive the packet if you cancel it.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Play">https://wiki.vg/Protocol#Play</a>
+ * @since 1.2.6
+ */
+public final class PacketPlaySendEvent extends CancellableNMSPacketEvent implements PlayerEvent {
+    private final Player player;
+
+    public PacketPlaySendEvent(final Player player, final Object channel, final NMSPacket packet) {
+        super(channel, packet);
+        this.player = player;
+    }
+
+    /**
+     * This method returns the bukkit player object of the packet receiver.
+     * The player object might be null during early packets.
+     *
+     * @return Packet receiver.
+     */
+    @NotNull
+    @Override
+    public Player getPlayer() {
+        return player;
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.serverSidedPlayAllowance == null || listener.serverSidedPlayAllowance.contains(getPacketId())) {
+            listener.onPacketPlaySend(this);
+        }
+    }
+}
+

src/main/java/io/github/retrooper/packetevents/event/impl/PacketReceiveEvent.java

@@ -1,99 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.event.impl;
-
-import io.github.retrooper.packetevents.event.CancellableEvent;
-import io.github.retrooper.packetevents.event.PacketEvent;
-import io.github.retrooper.packetevents.packettype.PacketType;
-import io.github.retrooper.packetevents.utils.reflection.ClassUtil;
-import org.bukkit.entity.Player;
-
-/**
- * This event is called each time a packet is received from a client.
- */
-public final class PacketReceiveEvent extends PacketEvent implements CancellableEvent {
-    private final Player player;
-    private final Object packet;
-    private boolean cancelled;
-
-    public PacketReceiveEvent(final Player player, final Object packet) {
-        this.player = player;
-        this.packet = packet;
-    }
-
-    /**
-     * Get the packet sender
-     * @return player
-     */
-    public Player getPlayer() {
-        return this.player;
-    }
-
-    /**
-     * Get the packet's name (NMS packet class simple name).
-     * The class simple name is cached.
-     * @return Name of the packet
-     */
-    public String getPacketName() {
-        return ClassUtil.getClassSimpleName(packet.getClass());
-    }
-
-    /**
-     * Get the raw packet object
-     * @return packet object
-     */
-    public Object getNMSPacket() {
-        return this.packet;
-    }
-
-    /**
-     * Get the ID of the packet
-     * @return packet id
-     */
-    public byte getPacketId() {
-        return PacketType.Client.packetIds.getOrDefault(packet.getClass(), (byte) -1);
-    }
-
-    @Override
-    public void cancel() {
-        this.cancelled = true;
-    }
-
-    @Override
-    public void uncancel() {
-        this.cancelled = false;
-    }
-
-    @Override
-    public boolean isCancelled() {
-        return cancelled;
-    }
-
-    @Override
-    public void setCancelled(boolean cancelled) {
-        this.cancelled = cancelled;
-    }
-
-}

src/main/java/io/github/retrooper/packetevents/event/impl/PacketSendEvent.java

@@ -1,97 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.event.impl;
-
-import io.github.retrooper.packetevents.event.CancellableEvent;
-import io.github.retrooper.packetevents.event.PacketEvent;
-import io.github.retrooper.packetevents.packettype.PacketType;
-import io.github.retrooper.packetevents.utils.reflection.ClassUtil;
-import org.bukkit.entity.Player;
-
-/**
- * This event is called each time the server sends a packet to the client.
- */
-public final class PacketSendEvent extends PacketEvent implements CancellableEvent {
-    private final Player player;
-    private final Object packet;
-    private boolean cancelled;
-
-    public PacketSendEvent(final Player player, final Object packet) {
-        this.player = player;
-        this.packet = packet;
-        this.cancelled = false;
-    }
-
-
-    public Player getPlayer() {
-        return this.player;
-    }
-
-    /**
-     * Get the packet's name (NMS packet class simple name).
-     * The class simple name is cached.
-     * @return Name of the packet
-     */
-    public String getPacketName() {
-        return ClassUtil.getClassSimpleName(packet.getClass());
-    }
-
-    /**
-     * Get the ID of the packet
-     *
-     * @return packet id
-     */
-    public byte getPacketId() {
-        return PacketType.Server.packetIds.getOrDefault(packet.getClass(), (byte) -1);
-    }
-
-    /**
-     * Get the NMS packet object
-     *
-     * @return packet object
-     */
-    public Object getNMSPacket() {
-        return this.packet;
-    }
-
-    @Override
-    public boolean isCancelled() {
-        return cancelled;
-    }
-
-    @Override
-    public void setCancelled(boolean cancelled) {
-        this.cancelled = cancelled;
-    }
-
-    @Override
-    public void cancel() {
-        this.cancelled = true;
-    }
-
-    @Override
-    public void uncancel() { this.cancelled = false;}
-}
-

src/main/java/io/github/retrooper/packetevents/event/impl/PacketStatusReceiveEvent.java

@@ -0,0 +1,58 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableNMSPacketEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+
+import java.net.InetSocketAddress;
+
+/**
+ * The {@code PacketStatusReceiveEvent} event is fired whenever the server receives a STATUS packet from a client.
+ * The {@code PacketStatusSendEvent} does not have to do with a bukkit player object due to
+ * the player object being null in this state.
+ * Use the {@link #getSocketAddress()} to identify who sends the packet.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Status">https://wiki.vg/Protocol#Status</a>
+ * @since 1.8
+ */
+public class PacketStatusReceiveEvent extends CancellableNMSPacketEvent {
+    public PacketStatusReceiveEvent(final Object channel, final NMSPacket packet) {
+        super(channel, packet);
+    }
+
+    public PacketStatusReceiveEvent(final InetSocketAddress socketAddress, final NMSPacket packet) {
+        super(socketAddress, packet);
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.clientSidedStatusAllowance == null || listener.clientSidedStatusAllowance.contains(getPacketId())) {
+            listener.onPacketStatusReceive(this);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PacketStatusSendEvent.java

@@ -0,0 +1,61 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableEvent;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableNMSPacketEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+
+import java.net.InetSocketAddress;
+
+/**
+ * The {@code PacketStatusSendEvent} event is fired whenever the server wants to send a STATUS packet to the client.
+ * This class implements {@link CancellableEvent}.
+ * The {@code PacketStatusSendEvent} does not have to do with a bukkit player object due to
+ * the player object being null in this state.
+ * Use the {@link #getSocketAddress()} to identify who sends the packet.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Status">https://wiki.vg/Protocol#Status</a>
+ * @since 1.8
+ */
+public class PacketStatusSendEvent extends CancellableNMSPacketEvent {
+    public PacketStatusSendEvent(Object channel, NMSPacket packet) {
+        super(channel, packet);
+    }
+
+    public PacketStatusSendEvent(InetSocketAddress address, NMSPacket packet) {
+        super(address, packet);
+    }
+
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.serverSidedStatusAllowance == null || listener.serverSidedStatusAllowance.contains(getPacketId())) {
+            listener.onPacketStatusSend(this);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PlayerEjectEvent.java

@@ -24,50 +24,67 @@
 
 package io.github.retrooper.packetevents.event.impl;
 
-import io.github.retrooper.packetevents.event.CancellableEvent;
 import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableEvent;
+import io.github.retrooper.packetevents.event.eventtypes.PlayerEvent;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
 
 /**
- * This event is called each time you eject a player.
+ * The {@code PlayerEjectEvent} event is fired whenever a player is ejected.
+ * This class implements {@link CancellableEvent} and {@link PlayerEvent}.
+ *
+ * @author retrooper
+ * @see <a href="https://github.com/retrooper/packetevents/blob/dev/src/main/java/io/github/retrooper/packetevents/handler/PacketHandlerInternal.java">https://github.com/retrooper/packetevents/blob/dev/src/main/java/io/github/retrooper/packetevents/handler/PacketHandlerInternal.java</a>
+ * @since 1.6.9
  */
-public final class PlayerEjectEvent extends PacketEvent implements CancellableEvent {
+public final class PlayerEjectEvent extends PacketEvent implements CancellableEvent, PlayerEvent {
     private final Player player;
-    private final boolean async;
     private boolean cancelled;
 
-    public PlayerEjectEvent(final Player player, final boolean isAsync) {
-        this.player = player;
-        this.async = isAsync;
-    }
-
     public PlayerEjectEvent(final Player player) {
-        this(player, false);
+        this.player = player;
     }
 
-    @Override
-    public void cancel() {
-        this.cancelled = true;
-    }
-
-    @Override
-    public void uncancel() {this.cancelled = false; }
-
     @Override
     public boolean isCancelled() {
-        return this.cancelled;
+        return cancelled;
     }
 
     @Override
-    public void setCancelled(final boolean val) {
-        this.cancelled = val;
+    public void setCancelled(boolean value) {
+        cancelled = value;
     }
 
+    /**
+     * This method returns the bukkit player object of the player being ejected.
+     * The player object is guaranteed to NOT be null.
+     *
+     * @return Ejected player.
+     */
+    @NotNull
+    @Override
     public Player getPlayer() {
         return player;
     }
 
+    /**
+     * @return Is the event called async?
+     * @deprecated Now always false
+     */
+    @Deprecated
     public boolean isAsync() {
-        return async;
+        return false;
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        listener.onPlayerEject(this);
+    }
+
+    @Override
+    public boolean isInbuilt() {
+        return true;
     }
 }

src/main/java/io/github/retrooper/packetevents/event/impl/PlayerInjectEvent.java

@@ -24,25 +24,34 @@
 
 package io.github.retrooper.packetevents.event.impl;
 
-import io.github.retrooper.packetevents.event.CancellableEvent;
+import io.github.retrooper.packetevents.PacketEvents;
 import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableEvent;
+import io.github.retrooper.packetevents.event.eventtypes.PlayerEvent;
+import io.github.retrooper.packetevents.utils.netty.channel.ChannelUtils;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.Nullable;
+
+import java.net.InetSocketAddress;
 
 /**
- * This event is called each time you inject a player.
+ * The {@code PlayerInjectEvent} event is fired whenever a player is injected.
+ * A player is injected by PacketEvents whenever they join the server.
+ * This class implements {@link CancellableEvent} and {@link PlayerEvent}.
+ *
+ * @author retrooper
+ * @see <a href="https://github.com/retrooper/packetevents/blob/dev/src/main/java/io/github/retrooper/packetevents/handler/PacketHandlerInternal.java">https://github.com/retrooper/packetevents/blob/dev/src/main/java/io/github/retrooper/packetevents/handler/PacketHandlerInternal.java</a>
+ * @since 1.6.9
  */
-public final class PlayerInjectEvent extends PacketEvent implements CancellableEvent {
+public final class PlayerInjectEvent extends PacketEvent implements CancellableEvent, PlayerEvent {
     private final Player player;
-    private final boolean async;
+    private final InetSocketAddress address;
     private boolean cancelled;
 
     public PlayerInjectEvent(final Player player) {
-        this(player, false);
-    }
-
-    public PlayerInjectEvent(final Player player, boolean isAsync) {
-        this.player= player;
-        this.async = isAsync;
+        this.player = player;
+        this.address = ChannelUtils.getSocketAddress(PacketEvents.get().packetProcessorInternal.getChannel(player));
     }
 
     @Override
@@ -51,24 +60,47 @@ public final class PlayerInjectEvent extends PacketEvent implements CancellableE
     }
 
     @Override
-    public void setCancelled(boolean cancelled) {
-        this.cancelled = cancelled;
+    public void setCancelled(boolean value) {
+        cancelled = value;
     }
 
+    /**
+     * This method returns the bukkit player object of the player being injected.
+     * This player might not be fully initialized.
+     *
+     * @return Injected Player.
+     */
+    @Nullable
     @Override
-    public void cancel() {
-        this.cancelled = true;
-    }
-
-    @Override
-    public void uncancel() {this.cancelled = false; }
-
     public Player getPlayer() {
         return player;
     }
 
-    public boolean isAsync() {
-        return async;
+    /**
+     * This method returns the socket address injecting player.
+     *
+     * @return Socket address of the injecting player.
+     */
+    @Nullable
+    public InetSocketAddress getSocketAddress() {
+        return address;
     }
 
+    /**
+     * @deprecated Will always be false
+     */
+    @Deprecated
+    public boolean isAsync() {
+        return false;
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        listener.onPlayerInject(this);
+    }
+
+    @Override
+    public boolean isInbuilt() {
+        return true;
+    }
 }

src/main/java/io/github/retrooper/packetevents/event/impl/PostPacketPlayReceiveEvent.java

@@ -0,0 +1,69 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.NMSPacketEvent;
+import io.github.retrooper.packetevents.event.eventtypes.PlayerEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import org.bukkit.entity.Player;
+
+/**
+ * The {@code PostPacketPlayReceiveEvent} event is fired after minecraft processes
+ * a PLAY server-bound packet.
+ * You cannot cancel this event since minecraft already processed/is processing this packet.
+ * If the incoming packet was cancelled, resulting in it not being processed by minecraft,
+ * this event won't be called.
+ * This event assures you that the {@link PacketPlayReceiveEvent} event wasn't cancelled.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Serverbound_4">https://wiki.vg/Protocol#Serverbound_4</a>
+ * @since 1.7
+ */
+public class PostPacketPlayReceiveEvent extends NMSPacketEvent implements PlayerEvent {
+    private final Player player;
+
+    public PostPacketPlayReceiveEvent(final Player player, final Object channel, final NMSPacket packet) {
+        super(channel, packet);
+        this.player = player;
+    }
+
+    /**
+     * This method returns the bukkit player object of the packet sender.
+     *
+     * @return Packet sender.
+     */
+    @Override
+    public Player getPlayer() {
+        return player;
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.clientSidedPlayAllowance == null || listener.clientSidedPlayAllowance.contains(getPacketId())) {
+            listener.onPostPacketPlayReceive(this);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PostPacketPlaySendEvent.java

@@ -0,0 +1,69 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.NMSPacketEvent;
+import io.github.retrooper.packetevents.event.eventtypes.PlayerEvent;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import org.bukkit.entity.Player;
+
+/**
+ * The {@code PostPacketPlaySendEvent} event is fired after minecraft processes
+ * a PLAY client-bound packet.
+ * You cannot cancel this event since minecraft already processed this packet.
+ * If the incoming packet was cancelled, resulting in it not being processed by minecraft,
+ * this event won't be called.
+ * This event assures you that the {@link PacketPlaySendEvent} event wasn't cancelled.
+ *
+ * @author retrooper
+ * @see <a href="https://wiki.vg/Protocol#Clientbound_4">https://wiki.vg/Protocol#Clientbound_4</a>
+ * @since 1.7
+ */
+public class PostPacketPlaySendEvent extends NMSPacketEvent implements PlayerEvent {
+    private final Player player;
+
+    public PostPacketPlaySendEvent(final Player player, final Object channel, final NMSPacket packet) {
+        super(channel, packet);
+        this.player = player;
+    }
+
+    /**
+     * This method returns the bukkit player object of the packet sender.
+     *
+     * @return Packet receiver.
+     */
+    @Override
+    public Player getPlayer() {
+        return player;
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        if (listener.serverSidedPlayAllowance == null || listener.serverSidedPlayAllowance.contains(getPacketId())) {
+            listener.onPostPacketPlaySend(this);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/impl/PostPlayerInjectEvent.java

@@ -0,0 +1,115 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.impl;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.PlayerEvent;
+import io.github.retrooper.packetevents.utils.netty.channel.ChannelUtils;
+import io.github.retrooper.packetevents.utils.player.ClientVersion;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+import java.net.InetSocketAddress;
+
+/**
+ * The {@code PostPlayerInjectEvent} event is fired after a successful injection.
+ * If you are on an older version of PacketEvents DON'T use this to register player data.
+ * This event might be called asynchronously and sometimes synchronously.
+ * Use the {@link #isAsync()} method to figure out if is being called sync or async.
+ * Make sure you do null checks in your packet listeners as this might be called a bit later.
+ * A player is injected by PacketEvents whenever they join the server.
+ *
+ * @author retrooper
+ * @see <a href="https://github.com/retrooper/packetevents/blob/dev/src/main/java/io/github/retrooper/packetevents/handler/PacketHandlerInternal.java">https://github.com/retrooper/packetevents/blob/dev/src/main/java/io/github/retrooper/packetevents/handler/PacketHandlerInternal.java</a>
+ * @since 1.3
+ */
+public class PostPlayerInjectEvent extends PacketEvent implements PlayerEvent {
+    private final Player player;
+    private final boolean async;
+
+    public PostPlayerInjectEvent(Player player, boolean async) {
+        this.player = player;
+        this.async = async;
+    }
+
+    /**
+     * This method returns the bukkit player object of the player that has been injected.
+     * The player is guaranteed to not be null.
+     *
+     * @return Injected Player.
+     */
+    @NotNull
+    @Override
+    public Player getPlayer() {
+        return player;
+    }
+
+    /**
+     * This method returns the cached netty channel of the player.
+     *
+     * @return Netty channel of the injected player.
+     */
+    @NotNull
+    public Object getChannel() {
+        return PacketEvents.get().packetProcessorInternal.getChannel(player);
+    }
+
+    @NotNull
+    public InetSocketAddress getSocketAddress() {
+        return ChannelUtils.getSocketAddress(getChannel());
+    }
+
+    /**
+     * This method returns the ClientVersion of the injected player.
+     *
+     * @return ClientVersion of injected player.
+     * @see ClientVersion
+     */
+    @NotNull
+    public ClientVersion getClientVersion() {
+        return PacketEvents.get().getPlayerUtils().getClientVersion(player);
+    }
+
+    /**
+     * Has the event been called async or sync?
+     *
+     * @return Was the event call in an async context?
+     */
+    public boolean isAsync() {
+        return async;
+    }
+
+    @Override
+    public void call(PacketListenerAbstract listener) {
+        listener.onPostPlayerInject(this);
+    }
+
+    @Override
+    public boolean isInbuilt() {
+        return true;
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/manager/EventManager.java

@@ -25,94 +25,152 @@
 package io.github.retrooper.packetevents.event.manager;
 
 import io.github.retrooper.packetevents.PacketEvents;
-import io.github.retrooper.packetevents.event.annotation.PacketHandler;
-import io.github.retrooper.packetevents.event.CancellableEvent;
 import io.github.retrooper.packetevents.event.PacketEvent;
 import io.github.retrooper.packetevents.event.PacketListener;
-import io.github.retrooper.packetevents.event.priority.PacketEventPriority;
-import io.github.retrooper.packetevents.utils.protocollib.ProtocolLibListener;
-import io.github.retrooper.packetevents.utils.protocollib.ProtocolLibUtils;
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.PacketListenerDynamic;
 
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentLinkedQueue;
+/**
+ * This is the event manager interface.
+ * Every method is already implemented, we just use this
+ * to have less code duplications.
+ * You can either call event manager methods in the
+ * {@link io.github.retrooper.packetevents.PacketEvents} instance or with an instance of the
+ * {@link PEEventManager} stored in {@link PacketEvents}.
+ *
+ * @author retrooper
+ * @see PacketEvents#getEventManager()
+ * @since 1.0
+ */
+public interface EventManager {
 
-public final class EventManager {
-    private final ConcurrentHashMap<PacketListener, ConcurrentLinkedQueue<Method>> registeredMethods = new ConcurrentHashMap<>();
+    /**
+     * Call a packet event.
+     * This will let all listeners(new and deprecated listeners) process the event.
+     * It isn't recommended to use a mix of both listeners(new and deprecated),
+     * but it will work and they are compatible.
+     *
+     * @param event {@link PacketEvent}
+     * @return Same event manager instance.
+     */
+    default EventManager callEvent(PacketEvent event) {
+        //The dynamic event manager calls the legacy event manager.
+        PEEventManager.EVENT_MANAGER_DYNAMIC.callEvent(event);
+        return this;
+    }
 
-    public void callEvent(final PacketEvent e) {
-        for (final PacketListener listener : registeredMethods.keySet()) {
-            ConcurrentLinkedQueue<Method> methods = registeredMethods.get(listener);
-            final boolean[] isCancelled = {false};
-            final byte[] eventPriority = {PacketEventPriority.LOWEST};
-            for (Method method : methods) {
-                Class<?> parameterType = method.getParameterTypes()[0];
-                if (parameterType.equals(PacketEvent.class)
-                        || parameterType.isInstance(e)) {
-
-                    PacketHandler annotation = method.getAnnotation(PacketHandler.class);
-                    try {
-                        method.invoke(listener, e);
-                    } catch (IllegalAccessException | InvocationTargetException ex) {
-                        ex.printStackTrace();
-                    }
-                    if (e instanceof CancellableEvent) {
-                        CancellableEvent ce = (CancellableEvent) e;
-                        if (annotation.priority() >= eventPriority[0]) {
-                            eventPriority[0] = annotation.priority();
-                            isCancelled[0] = ce.isCancelled();
-                        }
-                    }
-                    if (e instanceof CancellableEvent) {
-                        CancellableEvent cancellableEvent = (CancellableEvent) e;
-                        cancellableEvent.setCancelled(isCancelled[0]);
-                    }
-                }
-            }
+    /**
+     * Register a deprecated event listener.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listener {@link PacketListener}
+     * @return Same event manager instance.
+     */
+    @Deprecated
+    default EventManager registerListener(PacketListener listener) {
+        if (listener != null) {
+            PEEventManager.EVENT_MANAGER_LEGACY.registerListener(listener);
         }
+        return this;
     }
 
-    public void registerListener(final PacketListener listener) {
-        final ConcurrentLinkedQueue<Method> methods = new ConcurrentLinkedQueue<>();
-        for (final Method m : listener.getClass().getDeclaredMethods()) {
-            if (m.isAnnotationPresent(PacketHandler.class)
-                    && m.getParameterTypes().length == 1) {
-                methods.add(m);
-            }
-        }
-
-        if (!methods.isEmpty()) {
-            if (ProtocolLibUtils.isAvailable()
-                    && PacketEvents.getSettings().shouldUseProtocolLibIfAvailable()) {
-                ProtocolLibListener.registerProtocolLibListener(listener, methods);
-            } else {
-                registeredMethods.put(listener, methods);
-            }
+    /**
+     * Register multiple deprecated event listeners with one method.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listeners {@link PacketListener}
+     * @return Same event manager instance.
+     */
+    @Deprecated
+    default EventManager registerListeners(PacketListener... listeners) {
+        PEEventManager.EVENT_MANAGER_LEGACY.registerListeners(listeners);
+        return this;
+    }
+
+    /**
+     * Unregister a deprecated event listener.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listener {@link PacketListener}
+     * @return Same event manager instance.
+     */
+    @Deprecated
+    default EventManager unregisterListener(PacketListener listener) {
+        PEEventManager.EVENT_MANAGER_LEGACY.unregisterListener(listener);
+        return this;
+    }
+
+    /**
+     * Unregister multiple deprecated event listeners with one method.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listeners {@link PacketListener}
+     * @return Same event manager instance.
+     */
+    @Deprecated
+    default EventManager unregisterListeners(PacketListener... listeners) {
+        PEEventManager.EVENT_MANAGER_LEGACY.unregisterListeners(listeners);
+        return this;
+    }
+
+    /**
+     * Register a PacketListenerDynamic listener.
+     *
+     * @param listener {@link PacketListenerDynamic}
+     * @return Same event manager instance.
+     */
+    @Deprecated
+    default EventManager registerListener(PacketListenerDynamic listener) {
+        PEEventManager.EVENT_MANAGER_DYNAMIC.registerListener(listener);
+        return this;
+    }
+
+    /**
+     * Register multiple PacketListenerDynamic listeners.
+     *
+     * @param listeners {@link PacketListenerDynamic}
+     * @return Same event manager instance.
+     */
+    @Deprecated
+    default EventManager registerListeners(PacketListenerDynamic... listeners) {
+        PEEventManager.EVENT_MANAGER_DYNAMIC.registerListeners(listeners);
+        return this;
+    }
+
+
+    /**
+     * Register a PacketListenerAbstract listener.
+     *
+     * @param listener {@link PacketListenerAbstract}
+     * @return Same event manager instance.
+     */
+    default EventManager registerListener(PacketListenerAbstract listener) {
+        if (listener != null) {
+            PEEventManager.EVENT_MANAGER_DYNAMIC.registerListener(listener);
         }
+        return this;
     }
 
-    public void registerListeners(final PacketListener... listeners) {
-        for (final PacketListener listener : listeners) {
-            registerListener(listener);
-        }
+    /**
+     * Register multiple PacketListenerAbstract listeners.
+     *
+     * @param listeners {@link PacketListenerAbstract}
+     * @return Same event manager instance.
+     */
+    default EventManager registerListeners(PacketListenerAbstract... listeners) {
+        PEEventManager.EVENT_MANAGER_DYNAMIC.registerListeners(listeners);
+        return this;
     }
 
-    public void unregisterListener(final PacketListener e) {
-        registeredMethods.remove(e);
-    }
-
-    public void unregisterListeners(final PacketListener... listeners) {
-        for (final PacketListener listener : listeners) {
-            unregisterListener(listener);
-        }
-    }
-
-    public void unregisterAllListeners() {
-        registeredMethods.clear();
-    }
-
-    public boolean isRegistered(final PacketListener listener) {
-        return registeredMethods.containsKey(listener);
+    /**
+     * Unregister all registered event listeners.
+     * All the deprecated and the dynamic listeners will be unregistered.
+     *
+     * @return Same event manager instance.
+     */
+    default EventManager unregisterAllListeners() {
+        PEEventManager.EVENT_MANAGER_DYNAMIC.unregisterAllListeners();
+        PEEventManager.EVENT_MANAGER_LEGACY.unregisterAllListeners();
+        return this;
     }
 }

src/main/java/io/github/retrooper/packetevents/event/manager/EventManagerDynamic.java

@@ -0,0 +1,115 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.manager;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.event.PacketListenerAbstract;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableEvent;
+import io.github.retrooper.packetevents.event.priority.PacketEventPriority;
+
+import java.util.HashSet;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.logging.Level;
+
+class EventManagerDynamic {
+    private final Map<Byte, HashSet<PacketListenerAbstract>> listenersMap = new ConcurrentHashMap<>();
+
+    /**
+     * Call the PacketEvent.
+     * This method processes the event on all the registered dynamic packet event listeners.
+     * The {@link PacketEventPriority#LOWEST} prioritized listeners will be processing first,
+     * the {@link PacketEventPriority#MONITOR} will be processing last and can
+     * be the final decider whether the event has been cancelled or not.
+     * This call event also calls the legacy event manager call event.
+     *
+     * @param event {@link PacketEvent}
+     * @see EventManagerLegacy#callEvent(PacketEvent, byte)
+     */
+    public void callEvent(final PacketEvent event) {
+        boolean cancel = false;
+        if (event instanceof CancellableEvent) {
+            cancel = ((CancellableEvent) event).isCancelled();
+        }
+        byte highestReachedPriority = PacketEventPriority.LOWEST.getPriorityValue();
+        for (byte priority = PacketEventPriority.LOWEST.getPriorityValue(); priority <= PacketEventPriority.MONITOR.getPriorityValue(); priority++) {
+            HashSet<PacketListenerAbstract> listeners = listenersMap.get(priority);
+            if (listeners != null) {
+                for (PacketListenerAbstract listener : listeners) {
+                    try {
+                        event.call(listener);
+                    } catch (Exception ex) {
+                        PacketEvents.get().getPlugin().getLogger()
+                                .log(Level.SEVERE, "PacketEvents found an exception while calling a packet listener.", ex);
+                    }
+                    if (event instanceof CancellableEvent) {
+                        CancellableEvent ce = (CancellableEvent) event;
+                        cancel = ce.isCancelled();
+                        highestReachedPriority = priority;
+                    }
+                }
+                if (event instanceof CancellableEvent) {
+                    CancellableEvent ce = (CancellableEvent) event;
+                    ce.setCancelled(cancel);
+                }
+            }
+        }
+        PEEventManager.EVENT_MANAGER_LEGACY.callEvent(event, highestReachedPriority);
+    }
+
+    /**
+     * Register the dynamic packet event listener.
+     *
+     * @param listener {@link PacketListenerAbstract}
+     */
+    public synchronized void registerListener(final PacketListenerAbstract listener) {
+        byte priority = listener.getPriority().getPriorityValue();
+        HashSet<PacketListenerAbstract> listenerSet = listenersMap.get(priority);
+        if (listenerSet == null) {
+            listenerSet = new HashSet<>();
+        }
+        listenerSet.add(listener);
+        listenersMap.put(priority, listenerSet);
+    }
+
+    /**
+     * Register multiple dynamic packet event listeners with one method.
+     *
+     * @param listeners {@link PacketListenerAbstract}
+     */
+    public synchronized void registerListeners(PacketListenerAbstract... listeners) {
+        for (PacketListenerAbstract listener : listeners) {
+            registerListener(listener);
+        }
+    }
+
+    /**
+     * Unregister all dynamic packet event listeners.
+     */
+    public synchronized void unregisterAllListeners() {
+        listenersMap.clear();
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/manager/EventManagerLegacy.java

@@ -0,0 +1,166 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.event.manager;
+
+import io.github.retrooper.packetevents.event.PacketEvent;
+import io.github.retrooper.packetevents.event.PacketListener;
+import io.github.retrooper.packetevents.event.annotation.PacketHandler;
+import io.github.retrooper.packetevents.event.eventtypes.CancellableEvent;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+
+@Deprecated
+class EventManagerLegacy {
+    /**
+     * Map storing all all legacy packet event listeners.
+     * The key is an individual listener, the values are the key's event methods.
+     */
+
+    private final Map<PacketListener, HashSet<Method>> staticRegisteredMethods = new HashMap<>();
+
+    /**
+     * Call a PacketEvent with the legacy event manager.
+     * This method processes the event on all legacy packet event listeners.
+     * This method is actually called by {@link EventManagerDynamic#callEvent(PacketEvent)} as the
+     * if you mix the two event systems, the dynamic listeners are always processed first and pass
+     * their highest reached event priority that this legacy one has to beat/reach to be able to cancel
+     * the event.
+     * This downside of this system is the event listeners aren't executed in any particular order, just
+     * in the order they were registered.
+     * This system is also slower than the other event system.
+     *
+     * @param event         {@link PacketEvent}
+     * @param eventPriority Priority the legacy listeners should beat to decide cancellation of the event.
+     */
+    @Deprecated
+    public void callEvent(final PacketEvent event, byte eventPriority) {
+        boolean isCancelled = false;
+        if (event instanceof CancellableEvent) {
+            isCancelled = ((CancellableEvent) event).isCancelled();
+        }
+        //STATIC LISTENERS
+        for (final PacketListener listener : staticRegisteredMethods.keySet()) {
+            HashSet<Method> methods = staticRegisteredMethods.get(listener);
+
+            for (Method method : methods) {
+                Class<?> parameterType = method.getParameterTypes()[0];
+                if (parameterType.equals(PacketEvent.class)
+                        || parameterType.isInstance(event)) {
+
+                    PacketHandler annotation = method.getAnnotation(PacketHandler.class);
+                    try {
+                        method.invoke(listener, event);
+                    } catch (IllegalAccessException | InvocationTargetException ex) {
+                        ex.printStackTrace();
+                    }
+                    if (event instanceof CancellableEvent) {
+                        CancellableEvent ce = (CancellableEvent) event;
+                        if (annotation.priority() >= eventPriority) {
+                            eventPriority = annotation.priority();
+                            isCancelled = ce.isCancelled();
+                        }
+                    }
+                }
+            }
+        }
+        if (event instanceof CancellableEvent) {
+            CancellableEvent ce = (CancellableEvent) event;
+            ce.setCancelled(isCancelled);
+        }
+    }
+
+    /**
+     * Register a legacy packet event listener.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listener {@link PacketListener}
+     */
+    @Deprecated
+    public void registerListener(final PacketListener listener) {
+        final HashSet<Method> methods = new HashSet<>();
+        for (final Method m : listener.getClass().getDeclaredMethods()) {
+            if (!m.isAccessible()) {
+                m.setAccessible(true);
+            }
+            if (m.isAnnotationPresent(PacketHandler.class)
+                    && m.getParameterTypes().length == 1) {
+                methods.add(m);
+            }
+        }
+
+        if (!methods.isEmpty()) {
+            staticRegisteredMethods.put(listener, methods);
+        }
+    }
+
+    /**
+     * Register multiple legacy packet event listeners with one method.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listeners {@link PacketListener}
+     */
+    @Deprecated
+    public void registerListeners(final PacketListener... listeners) {
+        for (final PacketListener listener : listeners) {
+            registerListener(listener);
+        }
+    }
+
+    /**
+     * Unregister a legacy packet event listener.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listener {@link PacketListener}
+     */
+    @Deprecated
+    public void unregisterListener(final PacketListener listener) {
+        staticRegisteredMethods.remove(listener);
+    }
+
+    /**
+     * Unregister multiple legacy packet event listeners with one method.
+     * Not recommended to use the deprecated event listener.
+     *
+     * @param listeners {@link PacketListener}
+     */
+    @Deprecated
+    public void unregisterListeners(final PacketListener... listeners) {
+        for (final PacketListener listener : listeners) {
+            unregisterListener(listener);
+        }
+    }
+
+    /**
+     * Unregister all legacy packet event listeners.
+     */
+    @Deprecated
+    public void unregisterAllListeners() {
+        staticRegisteredMethods.clear();
+    }
+}

src/main/java/io/github/retrooper/packetevents/event/manager/PEEventManager.java

@@ -22,16 +22,17 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.annotations;
-
-import java.lang.annotation.Documented;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
+package io.github.retrooper.packetevents.event.manager;
 
 /**
- * This annotation indicates that something might be unstable.
+ * Class storing a static instance of the dynamic and the legacy event manager.
+ *
+ * @author retrooper
+ * @since 1.8
  */
-@Documented
-@Retention(RetentionPolicy.RUNTIME)
-public @interface Beta {
+public class PEEventManager implements EventManager {
+
+    public static final EventManagerLegacy EVENT_MANAGER_LEGACY = new EventManagerLegacy();
+    public static final EventManagerDynamic EVENT_MANAGER_DYNAMIC = new EventManagerDynamic();
+
 }

src/main/java/io/github/retrooper/packetevents/event/priority/PacketEventPriority.java

@@ -24,11 +24,74 @@
 
 package io.github.retrooper.packetevents.event.priority;
 
-public interface PacketEventPriority {
-    byte LOWEST = 0;
-    byte LOW = 1;
-    byte NORMAL = 2;
-    byte HIGH = 3;
-    byte HIGHEST = 4;
-    byte MONITOR = 5;
+/**
+ * Event priority enum for the new event system.
+ * The event priority counts for the whole {@link io.github.retrooper.packetevents.event.PacketListenerAbstract}
+ * and not for just one event.
+ * The priority can be specified in the PacketListenerAbstract constructor.
+ * If you don't specify a priority in the constructor, it will use the {@link #NORMAL} priority.
+ *
+ * @author retrooper
+ * @since 1.6.9
+ */
+public enum PacketEventPriority {
+    /**
+     * The weakest event priority.
+     * The first to be processed(IN THE DYNAMIC EVENT SYSTEM ONLY).
+     * Use this if you need to be the first processing the event and
+     * need no power in cancelling an event or preventing an event cancellation.
+     */
+    LOWEST,
+
+    /**
+     * A weak event priority.
+     * Second to be processed(IN THE DYNAMIC EVENT SYSTEM ONLY).
+     * Use this if you would prefer to be one of the first to process the event,
+     * but don't mind if some other listener processes before you.
+     */
+    LOW,
+
+    /**
+     * Default event priority.
+     * Third to be processed(IN THE DYNAMIC EVENT SYSTEM ONLY).
+     * Use this if you don't really care/know when you process or just want to
+     * be in the middle.
+     */
+    NORMAL,
+
+    /**
+     * Higher than the {@link PacketEventPriority#NORMAL} event priority.
+     * Fourth to be processed(IN THE DYNAMIC EVENT SYSTEM ONLY).
+     * Use this if you want to process before the default event prioritized listeners.
+     */
+    HIGH,
+
+    /**
+     * Second most powerful event priority.
+     * Fifth to be processed(IN THE DYNAMIC EVENT SYSTEM ONLY).
+     * Use this if you prefer to be one of the last to process,
+     * but don't mind if some other listener really needs to process after you.
+     * Also use this if you prefer deciding if the event cancelled or not, but don't
+     * mind if some other listener urgently needs to decide over you.
+     * {@link PacketEventPriority#MONITOR} is rarely ever recommended to use.
+     */
+    HIGHEST,
+
+    /**
+     * Most powerful event priority.
+     * Last(Sixth) to be processed(IN THE DYNAMIC EVENT SYSTEM ONLY).
+     * Use this if you urgently need to be the last to process
+     * or urgently need to be the final decider whether the event has cancelled or not.
+     * This is rarely recommended.
+     */
+    MONITOR;
+
+
+    public static PacketEventPriority getPacketEventPriority(byte bytePriority) {
+        return values()[bytePriority];
+    }
+
+    public byte getPriorityValue() {
+        return (byte) ordinal();
+    }
 }

src/main/java/io/github/retrooper/packetevents/exceptions/PacketEventsLoadFailureException.java

@@ -0,0 +1,51 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.exceptions;
+
+/**
+ * An exception thrown by PacketEvents when the {@link io.github.retrooper.packetevents.PacketEvents#load}
+ * method fails to execute without any exceptions.
+ * Resulting in PacketEvents failing to load.
+ *
+ * @author retrooper
+ * @since 1.7.6
+ */
+public class PacketEventsLoadFailureException extends RuntimeException {
+    public PacketEventsLoadFailureException(String message) {
+        super(message);
+    }
+
+    public PacketEventsLoadFailureException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public PacketEventsLoadFailureException() {
+        this("PacketEvents failed to load...");
+    }
+
+    public PacketEventsLoadFailureException(Throwable cause) {
+        this("PacketEvents failed to load...", cause);
+    }
+}

src/main/java/io/github/retrooper/packetevents/exceptions/WrapperFieldNotFoundException.java

@@ -26,7 +26,16 @@ package io.github.retrooper.packetevents.exceptions;
 
 import io.github.retrooper.packetevents.utils.reflection.ClassUtil;
 
-public class WrapperFieldNotFoundException extends RuntimeException{
+/**
+ * An exception thrown by PacketEvents when a wrapper fails
+ * to find a field.
+ *
+ * @author retrooper
+ * @see io.github.retrooper.packetevents.packetwrappers.WrappedPacket#read(int, Class)
+ * @see io.github.retrooper.packetevents.packetwrappers.WrappedPacket#write(Class, int, Object)
+ * @since 1.6.9
+ */
+public class WrapperFieldNotFoundException extends RuntimeException {
     public WrapperFieldNotFoundException(String message) {
         super(message);
     }

src/main/java/io/github/retrooper/packetevents/exceptions/WrapperUnsupportedUsageException.java

@@ -0,0 +1,48 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.exceptions;
+
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.reflection.ClassUtil;
+
+/**
+ * An exception thrown by PacketEvents when a wrapper is used although it isn't supported on the local server version.
+ * Make sure to decompile a wrapper before using it, if you are unsure if it is supported through out all the server versions.
+ * We override a {@link WrappedPacket#isSupported()} method if it isn't supported on all server versions.
+ *
+ * @author retrooper
+ * @see WrappedPacket#isSupported()
+ * @see WrappedPacket.SupportedVersions
+ * @since 1.7
+ */
+public class WrapperUnsupportedUsageException extends RuntimeException {
+    public WrapperUnsupportedUsageException(String message) {
+        super(message);
+    }
+
+    public WrapperUnsupportedUsageException(Class<? extends WrappedPacket> wrapperClass) {
+        this("You are using a packet wrapper which happens to be unsupported on the local server version. Packet wrapper you attempted to use: " + ClassUtil.getClassSimpleName(wrapperClass));
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/ChannelInjector.java

@@ -0,0 +1,17 @@
+package io.github.retrooper.packetevents.injector;
+
+import org.bukkit.entity.Player;
+
+public interface ChannelInjector {
+    void inject();
+
+    void eject();
+
+    void injectPlayer(Player player);
+
+    void ejectPlayer(Player player);
+
+    boolean hasInjected(Player player);
+
+    void sendPacket(Object channel, Object rawNMSPacket);
+}

src/main/java/io/github/retrooper/packetevents/injector/EarlyInjector.java

@@ -22,13 +22,12 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.utils.protocolsupport;
+package io.github.retrooper.packetevents.injector;
 
 import org.bukkit.entity.Player;
-import protocolsupport.api.ProtocolSupportAPI;
 
-class ProtocolSupportAPIAccessor {
-    public static int getProtocolVersion(final Player player) {
-        return ProtocolSupportAPI.getProtocolVersion(player).getId();
-    }
+public interface EarlyInjector extends ChannelInjector {
+    void updatePlayerObject(Player player, Object channel);
+
+    boolean isBound();
 }

src/main/java/io/github/retrooper/packetevents/injector/GlobalChannelInjector.java

@@ -0,0 +1,77 @@
+package io.github.retrooper.packetevents.injector;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.event.impl.PlayerEjectEvent;
+import io.github.retrooper.packetevents.event.impl.PlayerInjectEvent;
+import io.github.retrooper.packetevents.injector.legacy.early.EarlyChannelInjectorLegacy;
+import io.github.retrooper.packetevents.injector.modern.early.EarlyChannelInjectorModern;
+import io.github.retrooper.packetevents.injector.legacy.late.LateChannelInjectorLegacy;
+import io.github.retrooper.packetevents.injector.modern.late.LateChannelInjectorModern;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import org.bukkit.entity.Player;
+
+public class GlobalChannelInjector implements ChannelInjector {
+    private ChannelInjector injector;
+
+    public GlobalChannelInjector() {
+
+    }
+
+    public void load() {
+        boolean legacy = NMSUtils.legacyNettyImportMode;
+        if (!PacketEvents.get().getSettings().shouldUseCompatibilityInjector()) {
+            injector = legacy ? new EarlyChannelInjectorLegacy() : new EarlyChannelInjectorModern();
+        } else {
+            injector = legacy ? new LateChannelInjectorLegacy() : new LateChannelInjectorModern();
+        }
+    }
+
+    @Override
+    public void inject() {
+        try {
+            //Try inject...
+            injector.inject();
+        } catch (Exception ex) {
+            //Failed to inject! Let us revert to the compatibility injector and re-inject.
+            if (injector instanceof EarlyInjector) {
+                PacketEvents.get().getSettings().compatInjector(true);
+                load();
+                injector.inject();
+                PacketEvents.get().getPlugin().getLogger().warning("PacketEvents failed to inject with the Early Injector. Reverting to the Compatibility/Late Injector... This is just a warning, but please report this!");
+            }
+        }
+    }
+
+    @Override
+    public void eject() {
+        injector.eject();
+    }
+
+    @Override
+    public void injectPlayer(Player player) {
+        PlayerInjectEvent injectEvent = new PlayerInjectEvent(player);
+        PacketEvents.get().callEvent(injectEvent);
+        if (!injectEvent.isCancelled()) {
+            injector.injectPlayer(player);
+        }
+    }
+
+    @Override
+    public void ejectPlayer(Player player) {
+        PlayerEjectEvent ejectEvent = new PlayerEjectEvent(player);
+        PacketEvents.get().callEvent(ejectEvent);
+        if (!ejectEvent.isCancelled()) {
+            injector.ejectPlayer(player);
+        }
+    }
+
+    @Override
+    public boolean hasInjected(Player player) {
+        return injector.hasInjected(player);
+    }
+
+    @Override
+    public void sendPacket(Object ch, Object rawNMSPacket) {
+        injector.sendPacket(ch, rawNMSPacket);
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/LateInjector.java

@@ -0,0 +1,5 @@
+package io.github.retrooper.packetevents.injector;
+
+public interface LateInjector extends ChannelInjector {
+
+}

src/main/java/io/github/retrooper/packetevents/injector/legacy/PlayerChannelHandlerLegacy.java

@@ -0,0 +1,69 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.legacy;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import net.minecraft.util.io.netty.channel.ChannelDuplexHandler;
+import net.minecraft.util.io.netty.channel.ChannelHandlerContext;
+import net.minecraft.util.io.netty.channel.ChannelPromise;
+import org.bukkit.entity.Player;
+
+import java.util.logging.Level;
+
+public class PlayerChannelHandlerLegacy extends ChannelDuplexHandler {
+    /**
+     * Associated player.
+     * This is null until the player is injected.
+     */
+    public volatile Player player;
+
+    @Override
+    public void channelRead(final ChannelHandlerContext ctx, Object packet) throws Exception {
+        try {
+            packet = PacketEvents.get().packetProcessorInternal.read(player, ctx.channel(), packet);
+            if (packet != null) {
+                super.channelRead(ctx, packet);
+                PacketEvents.get().packetProcessorInternal.postRead(player, ctx.channel(), packet);
+            }
+        }
+        catch (Throwable t) {
+            PacketEvents.get().getPlugin().getLogger().log(Level.SEVERE, "Unable to handle an incoming packet ", t.getMessage());
+        }
+    }
+
+    @Override
+    public void write(final ChannelHandlerContext ctx, Object packet, final ChannelPromise promise) throws Exception {
+        try {
+            packet = PacketEvents.get().packetProcessorInternal.write(player, ctx.channel(), packet);
+            if (packet != null) {
+                super.write(ctx, packet, promise);
+                PacketEvents.get().packetProcessorInternal.postWrite(player, ctx.channel(), packet);
+            }
+        }
+        catch (Throwable t) {
+            PacketEvents.get().getPlugin().getLogger().log(Level.SEVERE, "Unable to handle an outgoing packet ", t.getMessage());
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/legacy/early/EarlyChannelInjectorLegacy.java

@@ -0,0 +1,317 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.legacy.early;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.injector.EarlyInjector;
+import io.github.retrooper.packetevents.injector.legacy.PlayerChannelHandlerLegacy;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.list.ListWrapper;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import net.minecraft.util.io.netty.channel.Channel;
+import net.minecraft.util.io.netty.channel.ChannelFuture;
+import net.minecraft.util.io.netty.channel.ChannelHandler;
+import net.minecraft.util.io.netty.channel.ChannelInitializer;
+import net.minecraft.util.io.netty.channel.socket.SocketChannel;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.PluginDescriptionFile;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Early channel injector for 1.7.10 server versions.
+ * Thank you ViaVersion.
+ * https://github.com/ViaVersion/ViaVersion/tree/master/bukkit/src/main/java/us/myles/ViaVersion/bukkit/platform/BukkitViaInjector.java
+ *
+ * @author retrooper, Thomazz, ViaVersion
+ * @since 1.8
+ */
+public class EarlyChannelInjectorLegacy implements EarlyInjector {
+    private final List<ChannelFuture> injectedFutures = new ArrayList<>();
+    private final List<Map<Field, Object>> injectedLists = new ArrayList<>();
+
+    @Override
+    public void inject() {
+        try {
+            Object serverConnection = NMSUtils.getMinecraftServerConnection();
+            for (Field field : serverConnection.getClass().getDeclaredFields()) {
+                field.setAccessible(true);
+                Object value = null;
+                try {
+                    value = field.get(serverConnection);
+                } catch (IllegalAccessException e) {
+                    e.printStackTrace();
+                }
+                if (value instanceof List) {
+                    //Get the list.
+                    List listWrapper = new ListWrapper((List) value) {
+                        @Override
+                        public void processAdd(Object o) {
+                            if (o instanceof ChannelFuture) {
+                                try {
+                                    injectChannelFuture((ChannelFuture) o);
+                                } catch (Exception ex) {
+                                    ex.printStackTrace();
+                                }
+                            }
+                        }
+                    };
+                    HashMap<Field, Object> map = new HashMap<>();
+                    map.put(field, serverConnection);
+                    injectedLists.add(map);
+
+                    field.set(serverConnection, listWrapper);
+
+                    synchronized (listWrapper) {
+                        for (Object serverChannel : (List) value) {
+                            //Is this the server channel future list?
+                            if (serverChannel instanceof ChannelFuture) {
+                                //Yes it is...
+                                injectChannelFuture((ChannelFuture) serverChannel);
+                            } else {
+                                break;//Wrong list
+                            }
+                        }
+                    }
+                }
+            }
+        } catch (Exception ex) {
+            PacketEvents.get().getPlugin().getLogger().severe("PacketEvents failed to inject!");
+            ex.printStackTrace();
+        }
+
+        //Player channels might have been registered already. Let us add our handlers. We are a little late though.
+        //This only happens when you join extremely early on older versions of minecraft.
+        List<Object> networkManagers = NMSUtils.getNetworkManagers();
+        synchronized (networkManagers) {
+            for (Object networkManager : networkManagers) {
+                WrappedPacket networkManagerWrapper = new WrappedPacket(new NMSPacket(networkManager));
+                Channel channel = (Channel) networkManagerWrapper.readObject(0, NMSUtils.nettyChannelClass);
+                if (channel == null) {
+                    continue;
+                }
+
+                if (channel.pipeline().get("packet_handler") != null) {
+                    channel.pipeline().addBefore("packet_handler", PacketEvents.handlerName, new PlayerChannelHandlerLegacy());
+                }
+            }
+        }
+    }
+
+
+    private void injectChannelFuture(ChannelFuture channelFuture) {
+        List<String> channelHandlerNames = channelFuture.channel().pipeline().names();
+        ChannelHandler bootstrapAcceptor = null;
+        Field bootstrapAcceptorField = null;
+        for (String handlerName : channelHandlerNames) {
+            ChannelHandler handler = channelFuture.channel().pipeline().get(handlerName);
+            try {
+                bootstrapAcceptorField = handler.getClass().getDeclaredField("childHandler");
+                bootstrapAcceptorField.setAccessible(true);
+                bootstrapAcceptorField.get(handler);
+                bootstrapAcceptor = handler;
+            } catch (Exception ex) {
+
+            }
+        }
+
+        if (bootstrapAcceptor == null) {
+            bootstrapAcceptor = channelFuture.channel().pipeline().first();
+        }
+
+        ChannelInitializer<?> oldChannelInitializer = null;
+        try {
+            oldChannelInitializer = (ChannelInitializer<?>) bootstrapAcceptorField.get(bootstrapAcceptor);
+
+            ChannelInitializer<?> channelInitializer = new PEChannelInitializerLegacy(oldChannelInitializer);
+
+            //Replace the old channel initializer with our own.
+            bootstrapAcceptorField.setAccessible(true);
+            bootstrapAcceptorField.set(bootstrapAcceptor, channelInitializer);
+
+            injectedFutures.add(channelFuture);
+        } catch (IllegalAccessException e) {
+            ClassLoader cl = bootstrapAcceptor.getClass().getClassLoader();
+            if (cl.getClass().getName().equals("org.bukkit.plugin.java.PluginClassLoader")) {
+                PluginDescriptionFile yaml = null;
+                try {
+                    yaml = (PluginDescriptionFile) PluginDescriptionFile.class.getDeclaredField("description").get(cl);
+                } catch (IllegalAccessException | NoSuchFieldException e2) {
+                    e2.printStackTrace();
+                }
+                throw new IllegalStateException("PacketEvents failed to inject, because of " + bootstrapAcceptor.getClass().getName() + ", you might want to try running without " + yaml.getName() + "?");
+            } else {
+                throw new IllegalStateException("PacketEvents failed to find core component 'childHandler', please check your plugins. issue: " + bootstrapAcceptor.getClass().getName());
+            }
+        }
+
+    }
+
+    @Override
+    public void eject() {
+        Field childHandlerField = null;
+        for (ChannelFuture future : injectedFutures) {
+            List<String> names = future.channel().pipeline().names();
+            ChannelHandler bootstrapAcceptor = null;
+            // Pick best
+            for (String name : names) {
+                try {
+                    ChannelHandler handler = future.channel().pipeline().get(name);
+                    if (childHandlerField == null) {
+                        childHandlerField = handler.getClass().getDeclaredField("childHandler");
+                        childHandlerField.setAccessible(true);
+                    }
+
+                    ChannelInitializer<SocketChannel> oldInit = (ChannelInitializer<SocketChannel>) childHandlerField.get(handler);
+                    if (oldInit instanceof PEChannelInitializerLegacy) {
+                        bootstrapAcceptor = handler;
+                    }
+                } catch (Exception e) {
+                    // Not this one
+                }
+            }
+            // Default to first
+            if (bootstrapAcceptor == null) {
+                bootstrapAcceptor = future.channel().pipeline().first();
+            }
+
+            try {
+                ChannelInitializer<SocketChannel> oldInit = (ChannelInitializer<SocketChannel>) childHandlerField.get(bootstrapAcceptor);
+                if (oldInit instanceof PEChannelInitializerLegacy) {
+                    childHandlerField.setAccessible(true);
+                    childHandlerField.set(bootstrapAcceptor, ((PEChannelInitializerLegacy) oldInit).getOldChannelInitializer());
+                }
+            } catch (Exception e) {
+                PacketEvents.get().getPlugin().getLogger().severe("PacketEvents failed to eject the injection handler! Please reboot!");
+            }
+        }
+        injectedFutures.clear();
+
+        for (Map<Field, Object> map : injectedLists) {
+            try {
+                for (Field key : map.keySet()) {
+                    key.setAccessible(true);
+                    Object o = map.get(key);
+                    if (o instanceof ListWrapper) {
+                        key.set(o, ((ListWrapper) o).getOriginalList());
+                    }
+                }
+
+            } catch (IllegalAccessException e) {
+                PacketEvents.get().getPlugin().getLogger().severe("PacketEvents failed to eject the injection handler! Please reboot!!");
+            }
+        }
+
+        injectedLists.clear();
+    }
+
+    @Override
+    public void injectPlayer(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel != null) {
+            updatePlayerObject(player, channel);
+        }
+    }
+
+    @Override
+    public void ejectPlayer(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel != null) {
+            Channel chnl = (Channel) channel;
+            try {
+                chnl.pipeline().remove(PacketEvents.handlerName);
+            } catch (Exception ex) {
+
+            }
+        }
+    }
+
+    @Override
+    public boolean hasInjected(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel == null) {
+            return false;
+        }
+        PlayerChannelHandlerLegacy handler = getHandler(channel);
+        return handler != null && handler.player != null;
+    }
+
+    @Override
+    public void sendPacket(Object ch, Object rawNMSPacket) {
+        Channel channel = (Channel) ch;
+        channel.writeAndFlush(rawNMSPacket);
+    }
+
+    private PlayerChannelHandlerLegacy getHandler(Object rawChannel) {
+        Channel channel = (Channel) rawChannel;
+        ChannelHandler handler = channel.pipeline().get(PacketEvents.handlerName);
+        if (handler instanceof PlayerChannelHandlerLegacy) {
+            return (PlayerChannelHandlerLegacy) handler;
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public void updatePlayerObject(Player player, Object rawChannel) {
+        PlayerChannelHandlerLegacy handler = getHandler(rawChannel);
+        if (handler != null) {
+            handler.player = player;
+        }
+    }
+
+    @Override
+    public boolean isBound() {
+        try {
+            Object connection = NMSUtils.getMinecraftServerConnection();
+            if (connection == null) {
+                return false;
+            }
+            for (Field field : connection.getClass().getDeclaredFields()) {
+                field.setAccessible(true);
+                final Object value = field.get(connection);
+                if (value instanceof List) {
+                    // Inject the list
+                    synchronized (value) {
+                        for (Object o : (List) value) {
+                            if (o instanceof ChannelFuture) {
+                                return true;
+                            } else {
+                                break; // not the right list.
+                            }
+                        }
+                    }
+                }
+            }
+        } catch (Exception e) {
+        }
+        return false;
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/legacy/early/PEChannelInitializerLegacy.java

@@ -0,0 +1,60 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.legacy.early;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.injector.legacy.PlayerChannelHandlerLegacy;
+import io.github.retrooper.packetevents.utils.reflection.Reflection;
+import net.minecraft.util.io.netty.channel.ChannelInitializer;
+import net.minecraft.util.io.netty.channel.socket.SocketChannel;
+
+import java.lang.reflect.Method;
+
+public class PEChannelInitializerLegacy extends ChannelInitializer<SocketChannel> {
+    private final ChannelInitializer<?> oldChannelInitializer;
+    private Method initChannelMethod;
+
+    public PEChannelInitializerLegacy(ChannelInitializer<?> oldChannelInitializer) {
+        this.oldChannelInitializer = oldChannelInitializer;
+        load();
+    }
+
+    private void load() {
+        initChannelMethod = Reflection.getMethod(oldChannelInitializer.getClass(), "initChannel", 0);
+    }
+
+    public ChannelInitializer<?> getOldChannelInitializer() {
+        return oldChannelInitializer;
+    }
+
+    @Override
+    protected void initChannel(SocketChannel socketChannel) throws Exception {
+        initChannelMethod.invoke(oldChannelInitializer, socketChannel);
+        PlayerChannelHandlerLegacy channelHandler = new PlayerChannelHandlerLegacy();
+        if (socketChannel.pipeline().get("packet_handler") != null) {
+            socketChannel.pipeline().addBefore("packet_handler", PacketEvents.handlerName, channelHandler);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/legacy/late/LateChannelInjectorLegacy.java

@@ -0,0 +1,77 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.legacy.late;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.injector.legacy.PlayerChannelHandlerLegacy;
+import io.github.retrooper.packetevents.injector.LateInjector;
+import net.minecraft.util.io.netty.channel.Channel;
+import org.bukkit.entity.Player;
+
+public class LateChannelInjectorLegacy implements LateInjector {
+    @Override
+    public void inject() {
+
+    }
+
+    @Override
+    public void eject() {
+
+    }
+
+    @Override
+    public void injectPlayer(Player player) {
+        PlayerChannelHandlerLegacy playerChannelHandlerLegacy = new PlayerChannelHandlerLegacy();
+        playerChannelHandlerLegacy.player = player;
+        Channel channel = (Channel) PacketEvents.get().packetProcessorInternal.getChannel(player);
+        channel.pipeline().addBefore("packet_handler", PacketEvents.handlerName, playerChannelHandlerLegacy);
+    }
+
+    @Override
+    public void ejectPlayer(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel != null) {
+            Channel chnl = (Channel) channel;
+            try {
+                chnl.pipeline().remove(PacketEvents.handlerName);
+            }
+            catch (Exception ex) {
+
+            }
+        }
+    }
+
+    @Override
+    public boolean hasInjected(Player player) {
+        Channel channel = (Channel) PacketEvents.get().packetProcessorInternal.getChannel(player);
+        return channel.pipeline().get(PacketEvents.handlerName) != null;
+    }
+
+    @Override
+    public void sendPacket(Object rawChannel, Object packet) {
+        Channel channel = (Channel) rawChannel;
+        channel.pipeline().writeAndFlush(packet);
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/modern/PlayerChannelHandlerModern.java

@@ -0,0 +1,69 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.modern;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.netty.channel.ChannelDuplexHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelPromise;
+import org.bukkit.entity.Player;
+
+import java.util.logging.Level;
+
+public class PlayerChannelHandlerModern extends ChannelDuplexHandler {
+    /**
+     * Associated player.
+     * This is null until we inject the player.
+     */
+    public volatile Player player;
+
+    @Override
+    public void channelRead(final ChannelHandlerContext ctx, Object packet) throws Exception {
+        try {
+            packet = PacketEvents.get().packetProcessorInternal.read(player, ctx.channel(), packet);
+            if (packet != null) {
+                super.channelRead(ctx, packet);
+                PacketEvents.get().packetProcessorInternal.postRead(player, ctx.channel(), packet);
+            }
+        }
+        catch (Throwable t) {
+            PacketEvents.get().getPlugin().getLogger().log(Level.SEVERE, "Unable to handle an incoming packet ", t.getMessage());
+        }
+    }
+
+    @Override
+    public void write(final ChannelHandlerContext ctx, Object packet, final ChannelPromise promise) throws Exception {
+        try {
+            packet = PacketEvents.get().packetProcessorInternal.write(player, ctx.channel(), packet);
+            if (packet != null) {
+                super.write(ctx, packet, promise);
+                PacketEvents.get().packetProcessorInternal.postWrite(player, ctx.channel(), packet);
+            }
+        }
+        catch (Throwable t) {
+            PacketEvents.get().getPlugin().getLogger().log(Level.SEVERE, "Unable to handle an outgoing packet ", t.getMessage());
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/modern/early/EarlyChannelInjectorModern.java

@@ -0,0 +1,310 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.modern.early;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.injector.EarlyInjector;
+import io.github.retrooper.packetevents.injector.modern.PlayerChannelHandlerModern;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.list.ListWrapper;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.socket.SocketChannel;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.PluginDescriptionFile;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Early channel injector for all server versions higher than 1.7.10.
+ * Thank you ViaVersion.
+ * https://github.com/ViaVersion/ViaVersion/tree/master/bukkit/src/main/java/us/myles/ViaVersion/bukkit/platform/BukkitViaInjector.java
+ *
+ * @author retrooper, Thomazz, ViaVersion
+ * @since 1.8
+ */
+public class EarlyChannelInjectorModern implements EarlyInjector {
+    private final List<ChannelFuture> injectedFutures = new ArrayList<>();
+    private final List<Map<Field, Object>> injectedLists = new ArrayList<>();
+
+    @Override
+    public void inject() {
+        try {
+            Object serverConnection = NMSUtils.getMinecraftServerConnection();
+            for (Field field : serverConnection.getClass().getDeclaredFields()) {
+                field.setAccessible(true);
+                Object value = null;
+                try {
+                    value = field.get(serverConnection);
+                } catch (IllegalAccessException e) {
+                    e.printStackTrace();
+                }
+                if (value instanceof List) {
+                    //Get the list.
+                    List listWrapper = new ListWrapper((List) value) {
+                        @Override
+                        public void processAdd(Object o) {
+                            if (o instanceof ChannelFuture) {
+                                try {
+                                    injectChannelFuture((ChannelFuture) o);
+                                } catch (Exception ex) {
+                                    ex.printStackTrace();
+                                }
+                            }
+                        }
+                    };
+                    HashMap<Field, Object> map = new HashMap<>();
+                    map.put(field, serverConnection);
+                    injectedLists.add(map);
+
+                    field.set(serverConnection, listWrapper);
+
+                    synchronized (listWrapper) {
+                        for (Object serverChannel : (List) value) {
+                            //Is this the server channel future list?
+                            if (serverChannel instanceof ChannelFuture) {
+                                //Yes it is...
+                                injectChannelFuture((ChannelFuture) serverChannel);
+                            } else {
+                                break;//Wrong list
+                            }
+                        }
+                    }
+                }
+            }
+        } catch (Exception ex) {
+            throw new IllegalStateException("PacketEvents failed to inject!", ex);
+        }
+
+        //Player channels might have been registered already. Let us add our handlers. We are a little late though.
+        //This only happens when you join extremely early on older versions of minecraft.
+        List<Object> networkManagers = NMSUtils.getNetworkManagers();
+        synchronized (networkManagers) {
+            for (Object networkManager : networkManagers) {
+                WrappedPacket networkManagerWrapper = new WrappedPacket(new NMSPacket(networkManager));
+                Channel channel = (Channel) networkManagerWrapper.readObject(0, NMSUtils.nettyChannelClass);
+                if (channel == null) {
+                    continue;
+                }
+
+                if (channel.pipeline().get("packet_handler") != null) {
+                    channel.pipeline().addBefore("packet_handler", PacketEvents.handlerName, new PlayerChannelHandlerModern());
+                }
+            }
+        }
+    }
+
+
+    private void injectChannelFuture(ChannelFuture channelFuture) {
+        List<String> channelHandlerNames = channelFuture.channel().pipeline().names();
+        ChannelHandler bootstrapAcceptor = null;
+        Field bootstrapAcceptorField = null;
+        for (String handlerName : channelHandlerNames) {
+            ChannelHandler handler = channelFuture.channel().pipeline().get(handlerName);
+            try {
+                bootstrapAcceptorField = handler.getClass().getDeclaredField("childHandler");
+                bootstrapAcceptorField.setAccessible(true);
+                bootstrapAcceptorField.get(handler);
+                bootstrapAcceptor = handler;
+            } catch (Exception ignored) {}
+        }
+
+        if (bootstrapAcceptor == null) {
+            bootstrapAcceptor = channelFuture.channel().pipeline().first();
+        }
+
+        ChannelInitializer<?> oldChannelInitializer;
+        try {
+            oldChannelInitializer = (ChannelInitializer<?>) bootstrapAcceptorField.get(bootstrapAcceptor);
+
+            ChannelInitializer<?> channelInitializer = new PEChannelInitializerModern(oldChannelInitializer);
+
+            //Replace the old channel initializer with our own.
+            bootstrapAcceptorField.setAccessible(true);
+            bootstrapAcceptorField.set(bootstrapAcceptor, channelInitializer);
+            injectedFutures.add(channelFuture);
+        } catch (IllegalAccessException e) {
+            ClassLoader cl = bootstrapAcceptor.getClass().getClassLoader();
+            if (cl.getClass().getName().equals("org.bukkit.plugin.java.PluginClassLoader")) {
+                PluginDescriptionFile yaml = null;
+                try {
+                    yaml = (PluginDescriptionFile) PluginDescriptionFile.class.getDeclaredField("description").get(cl);
+                } catch (IllegalAccessException | NoSuchFieldException e2) {
+                    e2.printStackTrace();
+                }
+                throw new IllegalStateException("PacketEvents failed to inject, because of " + bootstrapAcceptor.getClass().getName() + ", you might want to try running without " + yaml.getName() + "?");
+            } else {
+                throw new IllegalStateException("PacketEvents failed to find core component 'childHandler', please check your plugins. issue: " + bootstrapAcceptor.getClass().getName());
+            }
+        }
+
+    }
+
+    @Override
+    public void eject() {
+        Field childHandlerField = null;
+        for (ChannelFuture future : injectedFutures) {
+            List<String> names = future.channel().pipeline().names();
+            ChannelHandler bootstrapAcceptor = null;
+            // Pick best
+            for (String name : names) {
+                try {
+                    ChannelHandler handler = future.channel().pipeline().get(name);
+                    if (childHandlerField == null) {
+                        childHandlerField = handler.getClass().getDeclaredField("childHandler");
+                        childHandlerField.setAccessible(true);
+                    }
+
+                    ChannelInitializer<SocketChannel> oldInit = (ChannelInitializer<SocketChannel>) childHandlerField.get(handler);
+                    if (oldInit instanceof PEChannelInitializerModern) {
+                        bootstrapAcceptor = handler;
+                    }
+                } catch (Exception ignored) {
+                    // Not this one
+                }
+            }
+            // Default to first
+            if (bootstrapAcceptor == null) {
+                bootstrapAcceptor = future.channel().pipeline().first();
+            }
+
+            try {
+                ChannelInitializer<SocketChannel> oldInit = (ChannelInitializer<SocketChannel>) childHandlerField.get(bootstrapAcceptor);
+                if (oldInit instanceof PEChannelInitializerModern) {
+                    childHandlerField.setAccessible(true);
+                    childHandlerField.set(bootstrapAcceptor, ((PEChannelInitializerModern) oldInit).getOldChannelInitializer());
+                }
+            } catch (Exception e) {
+                PacketEvents.get().getPlugin().getLogger().severe("PacketEvents failed to eject the injection handler! Please reboot!");
+            }
+        }
+        injectedFutures.clear();
+
+        for (Map<Field, Object> map : injectedLists) {
+            try {
+                for (Field key : map.keySet()) {
+                    key.setAccessible(true);
+                    Object o = map.get(key);
+                    if (o instanceof ListWrapper) {
+                        key.set(o, ((ListWrapper) o).getOriginalList());
+                    }
+                }
+
+            } catch (IllegalAccessException e) {
+                PacketEvents.get().getPlugin().getLogger().severe("PacketEvents failed to eject the injection handler! Please reboot!!");
+            }
+        }
+
+        injectedLists.clear();
+    }
+
+    @Override
+    public void injectPlayer(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel != null) {
+            updatePlayerObject(player, channel);
+        }
+    }
+
+    @Override
+    public void ejectPlayer(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel != null) {
+            Channel chnl = (Channel) channel;
+            try {
+                chnl.pipeline().remove(PacketEvents.handlerName);
+            } catch (Exception ignored) {}
+        }
+    }
+
+    @Override
+    public boolean hasInjected(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel == null) {
+            return false;
+        }
+        PlayerChannelHandlerModern handler = getHandler(channel);
+        return handler != null && handler.player != null;
+    }
+
+    @Override
+    public void sendPacket(Object ch, Object rawNMSPacket) {
+        Channel channel = (Channel) ch;
+        channel.writeAndFlush(rawNMSPacket);
+    }
+
+    private PlayerChannelHandlerModern getHandler(Object rawChannel) {
+        Channel channel = (Channel) rawChannel;
+        ChannelHandler handler = channel.pipeline().get(PacketEvents.handlerName);
+        if (handler instanceof PlayerChannelHandlerModern) {
+            return (PlayerChannelHandlerModern) handler;
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public void updatePlayerObject(Player player, Object rawChannel) {
+        PlayerChannelHandlerModern handler = getHandler(rawChannel);
+        if (handler != null) {
+            handler.player = player;
+        }
+    }
+
+    @Override
+    public boolean isBound() {
+        try {
+            Object connection = NMSUtils.getMinecraftServerConnection();
+            if (connection == null) {
+                return false;
+            }
+            for (Field field : connection.getClass().getDeclaredFields()) {
+                field.setAccessible(true);
+                final Object value = field.get(connection);
+                if (value instanceof List) {
+                    // Inject the list
+                    synchronized (value) {
+                        for (Object o : (List) value) {
+                            if (o instanceof ChannelFuture) {
+                                return true;
+                            } else {
+                                break; // not the right list.
+                            }
+                        }
+                    }
+                }
+            }
+        } catch (Exception ignored) {}
+        return false;
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/modern/early/PEChannelInitializerModern.java

@@ -0,0 +1,60 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.modern.early;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.injector.modern.PlayerChannelHandlerModern;
+import io.github.retrooper.packetevents.utils.reflection.Reflection;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.socket.SocketChannel;
+
+import java.lang.reflect.Method;
+
+public class PEChannelInitializerModern extends ChannelInitializer<SocketChannel> {
+    private final ChannelInitializer<?> oldChannelInitializer;
+    private Method initChannelMethod;
+
+    public PEChannelInitializerModern(ChannelInitializer<?> oldChannelInitializer) {
+        this.oldChannelInitializer = oldChannelInitializer;
+        load();
+    }
+
+    private void load() {
+        initChannelMethod = Reflection.getMethod(oldChannelInitializer.getClass(), "initChannel", 0);
+    }
+
+    public ChannelInitializer<?> getOldChannelInitializer() {
+        return oldChannelInitializer;
+    }
+
+    @Override
+    protected void initChannel(SocketChannel socketChannel) throws Exception {
+        initChannelMethod.invoke(oldChannelInitializer, socketChannel);
+        PlayerChannelHandlerModern channelHandler = new PlayerChannelHandlerModern();
+        if (socketChannel.pipeline().get("packet_handler") != null) {
+            socketChannel.pipeline().addBefore("packet_handler", PacketEvents.handlerName, channelHandler);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/injector/modern/late/LateChannelInjectorModern.java

@@ -0,0 +1,77 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.injector.modern.late;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.injector.modern.PlayerChannelHandlerModern;
+import io.github.retrooper.packetevents.injector.LateInjector;
+import io.netty.channel.Channel;
+import org.bukkit.entity.Player;
+
+public class LateChannelInjectorModern implements LateInjector {
+    @Override
+    public void inject() {
+
+    }
+
+    @Override
+    public void eject() {
+
+    }
+
+    @Override
+    public void injectPlayer(Player player) {
+        PlayerChannelHandlerModern playerChannelHandlerModern = new PlayerChannelHandlerModern();
+        playerChannelHandlerModern.player = player;
+        Channel channel = (Channel) PacketEvents.get().packetProcessorInternal.getChannel(player);
+        channel.pipeline().addBefore("packet_handler", PacketEvents.handlerName, playerChannelHandlerModern);
+    }
+
+    @Override
+    public void ejectPlayer(Player player) {
+        Object channel = PacketEvents.get().packetProcessorInternal.getChannel(player);
+        if (channel != null) {
+            Channel chnl = (Channel) channel;
+            try {
+                chnl.pipeline().remove(PacketEvents.handlerName);
+            }
+            catch (Exception ex) {
+
+            }
+        }
+    }
+
+    @Override
+    public boolean hasInjected(Player player) {
+        Channel channel = (Channel) PacketEvents.get().packetProcessorInternal.getChannel(player);
+        return channel.pipeline().get(PacketEvents.handlerName) != null;
+    }
+
+    @Override
+    public void sendPacket(Object rawChannel, Object packet) {
+        Channel channel = (Channel) rawChannel;
+        channel.pipeline().writeAndFlush(packet);
+    }
+}

src/main/java/io/github/retrooper/packetevents/nettyhandler/NettyPacketHandler.java

@@ -1,187 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.nettyhandler;
-
-import io.github.retrooper.packetevents.PacketEvents;
-import io.github.retrooper.packetevents.event.impl.PacketReceiveEvent;
-import io.github.retrooper.packetevents.event.impl.PacketSendEvent;
-import io.github.retrooper.packetevents.event.impl.PlayerInjectEvent;
-import io.github.retrooper.packetevents.event.impl.PlayerEjectEvent;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import org.bukkit.entity.Player;
-
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-
-public class NettyPacketHandler {
-    public static boolean v1_7_nettyMode = false;
-    private static final ExecutorService singleThreadedExecutor = Executors.newSingleThreadExecutor();
-
-    static {
-        try {
-            Class.forName("io.netty.channel.Channel");
-        } catch (ClassNotFoundException e) {
-            v1_7_nettyMode = true;
-        }
-    }
-
-    /**
-     * Synchronously inject a player
-     *
-     * @param player Target player to inject
-     */
-    public static void injectPlayer(final Player player) {
-        try {
-            final PlayerInjectEvent injectEvent = new PlayerInjectEvent(player);
-            PacketEvents.getAPI().getEventManager().callEvent(injectEvent);
-            if (!injectEvent.isCancelled()) {
-                if (v1_7_nettyMode) {
-                    NettyPacketHandler_7.injectPlayer(player);
-                } else {
-                    NettyPacketHandler_8.injectPlayer(player);
-                }
-            }
-        } catch (Exception ignored) {
-
-        }
-    }
-
-    /**
-     * Asynchronously inject a player
-     *
-     * @param player
-     * @return {@link java.util.concurrent.Future}
-     */
-    public static Future<?> injectPlayerAsync(final Player player) {
-        //Make sure we cache the channel SYNCHRONOUSLY
-        Object channel = NMSUtils.getChannel(player);
-        return singleThreadedExecutor.submit(() -> {
-            try {
-                final PlayerInjectEvent injectEvent = new PlayerInjectEvent(player, true);
-                PacketEvents.getAPI().getEventManager().callEvent(injectEvent);
-                if (!injectEvent.isCancelled()) {
-                    if (v1_7_nettyMode) {
-                        NettyPacketHandler_7.injectPlayer(player);
-                    } else {
-                        NettyPacketHandler_8.injectPlayer(player);
-                    }
-                }
-            } catch (Exception ignored) {
-
-            }
-        });
-    }
-
-    /**
-     * Synchronously eject a player.
-     *
-     * @param player
-     */
-    public static void ejectPlayer(final Player player) {
-        NMSUtils.channelCache.remove(player.getUniqueId());
-        try {
-            final PlayerEjectEvent uninjectEvent = new PlayerEjectEvent(player);
-            PacketEvents.getAPI().getEventManager().callEvent(uninjectEvent);
-            if (!uninjectEvent.isCancelled()) {
-                if (v1_7_nettyMode) {
-                    NettyPacketHandler_7.ejectPlayer(player);
-                } else {
-                    NettyPacketHandler_8.ejectPlayer(player);
-                }
-            }
-        } catch (Exception ignored) {
-
-        }
-    }
-
-    /**
-     * Asynchronously eject a player
-     *
-     * @param player
-     * @return {@link java.util.concurrent.Future}
-     */
-    public static Future<?> ejectPlayerAsync(final Player player) {
-        NMSUtils.channelCache.remove(player.getUniqueId());
-        Future<?> f = singleThreadedExecutor.submit(() -> {
-            try {
-                final PlayerEjectEvent uninjectEvent = new PlayerEjectEvent(player, true);
-                PacketEvents.getAPI().getEventManager().callEvent(uninjectEvent);
-                if (!uninjectEvent.isCancelled()) {
-                    if (v1_7_nettyMode) {
-                        NettyPacketHandler_7.ejectPlayer(player);
-                    } else {
-                        NettyPacketHandler_8.ejectPlayer(player);
-                    }
-                }
-            } catch (Exception ignored) {
-
-            }
-        });
-        return f;
-    }
-
-    /**
-     * This function is called each time the server plans to send a packet to the client.
-     *
-     * @param sender
-     * @param packet
-     * @return
-     */
-    public static Object write(final Player sender, final Object packet) {
-        final PacketSendEvent packetSendEvent = new PacketSendEvent(sender, packet);
-        PacketEvents.getAPI().getEventManager().callEvent(packetSendEvent);
-        if (!packetSendEvent.isCancelled()) {
-            return packet;
-        }
-        return null;
-    }
-
-
-    /**
-     * This function is called each time the server receives a packet from the client.
-     *
-     * @param receiver
-     * @param packet
-     * @return
-     */
-    public static Object read(final Player receiver, final Object packet) {
-        final PacketReceiveEvent packetReceiveEvent = new PacketReceiveEvent(receiver, packet);
-        PacketEvents.getAPI().getEventManager().callEvent(packetReceiveEvent);
-        if (!packetReceiveEvent.isCancelled()) {
-            return packet;
-        }
-        return null;
-    }
-
-    public static void sendPacket(Object channel, Object packet) {
-        if(v1_7_nettyMode) {
-            NettyPacketHandler_7.sendPacket(channel, packet);
-        }
-        else {
-            NettyPacketHandler_8.sendPacket(channel, packet);
-        }
-    }
-}

src/main/java/io/github/retrooper/packetevents/nettyhandler/NettyPacketHandler_7.java

@@ -1,81 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.nettyhandler;
-
-import io.github.retrooper.packetevents.PacketEvents;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import net.minecraft.util.io.netty.channel.Channel;
-import net.minecraft.util.io.netty.channel.ChannelDuplexHandler;
-import net.minecraft.util.io.netty.channel.ChannelHandlerContext;
-import net.minecraft.util.io.netty.channel.ChannelPipeline;
-import net.minecraft.util.io.netty.channel.ChannelPromise;
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-
-final class NettyPacketHandler_7 {
-
-    /**
-     * Inject a player using 1.7.10's netty import location
-     * @param player
-     */
-    public static void injectPlayer(final Player player) {
-        final ChannelDuplexHandler channelDuplexHandler = new ChannelDuplexHandler() {
-            @Override
-            public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
-                Object packet = NettyPacketHandler.read(player, msg);
-                if (packet == null) {
-                    return;
-                }
-                super.channelRead(ctx, msg);
-            }
-
-            @Override
-            public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
-                Object packet = NettyPacketHandler.write(player, msg);
-                if (packet == null) {
-                    return;
-                }
-                super.write(ctx, msg, promise);
-            }
-        };
-        final ChannelPipeline pipeline = ((Channel) NMSUtils.getChannel(player)).pipeline();
-        pipeline.addBefore("packet_handler", PacketEvents.getHandlerName(player.getName()), channelDuplexHandler);
-    }
-
-    /**
-     * Eject a player using 1.7.10 netty import location.
-     * @param player
-     */
-    public static void ejectPlayer(final Player player) {
-         Channel channel = (Channel) NMSUtils.getChannelNoCache(player);
-        channel.pipeline().remove(PacketEvents.getHandlerName(player.getName()));
-        //Make sure we are removing the cache synchronously
-    }
-
-    public static void sendPacket(Object rawChannel, Object packet) {
-        Channel channel = (Channel)rawChannel;
-        channel.pipeline().writeAndFlush(packet);
-    }
-}

src/main/java/io/github/retrooper/packetevents/nettyhandler/NettyPacketHandler_8.java

@@ -1,87 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.nettyhandler;
-
-import io.github.retrooper.packetevents.PacketEvents;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelDuplexHandler;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelPipeline;
-import io.netty.channel.ChannelPromise;
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-
-final class NettyPacketHandler_8 {
-    /**
-     * Inject a player with 1.8+ netty import location.
-     * @param player
-     */
-    public static void injectPlayer(final Player player) {
-        final ChannelDuplexHandler channelDuplexHandler = new ChannelDuplexHandler() {
-            @Override
-            public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
-                Object packet = NettyPacketHandler.read(player, msg);
-                if (packet == null) {
-                    return;
-                }
-                super.channelRead(ctx, msg);
-            }
-
-            @Override
-            public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
-                Object packet = NettyPacketHandler.write(player, msg);
-                if (packet == null) {
-                    return;
-                }
-                super.write(ctx, msg, promise);
-            }
-        };
-        final ChannelPipeline pipeline = ((Channel) NMSUtils.getChannel(player)).pipeline();
-        pipeline.addBefore("packet_handler", PacketEvents.getHandlerName(player.getName()), channelDuplexHandler);
-    }
-
-    /**
-     * Eject a player with 1.8+ netty import location.
-     * @param player
-     */
-    public static void ejectPlayer(final Player player) {
-        final Channel channel = (Channel) NMSUtils.getChannelNoCache(player);
-        channel.pipeline().remove(PacketEvents.getHandlerName(player.getName()));
-        //Make sure we are removing the cache synchronously
-        Bukkit.getScheduler().runTask(PacketEvents.getPlugins().get(0), new Runnable() {
-            @Override
-            public void run() {
-                //Make sure we are removing the cache SYNCHRONOUSLY
-                NMSUtils.channelCache.remove(player.getUniqueId());
-            }
-        });
-    }
-
-    public static void sendPacket(Object rawChannel, Object packet) {
-        Channel channel = (Channel)rawChannel;
-        channel.pipeline().writeAndFlush(packet);
-    }
-}

src/main/java/io/github/retrooper/packetevents/packettype/PacketState.java

@@ -0,0 +1,9 @@
+package io.github.retrooper.packetevents.packettype;
+
+/**
+ * @author retrooper
+ * @since 1.8
+ */
+public enum PacketState {
+    STATUS, HANDSHAKING, LOGIN, PLAY
+}

src/main/java/io/github/retrooper/packetevents/packettype/PacketType.java

@@ -24,228 +24,429 @@
 
 package io.github.retrooper.packetevents.packettype;
 
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
+/**
+ * Packet Type IDs.
+ * This is the Packet ID system, it is recommended to use this over packet comparisons by packet name.
+ * This is also faster than comparing packet names.
+ *
+ * @author retrooper
+ * @since 1.6.8
+ */
 public class PacketType {
-    public static class Client {
-        public static final Map<Class<?>, Byte> packetIds = new HashMap<Class<?>, Byte>();
-        public static final byte TELEPORT_ACCEPT = 0,
-                TILE_NBT_QUERY = 1, DIFFICULTY_CHANGE = 2, CHAT = 3, CLIENT_COMMAND = 4,
-                SETTINGS = 5, TAB_COMPLETE = 6, TRANSACTION = 7, ENCHANT_ITEM = 8,
-                WINDOW_CLICK = 9, CLOSE_WINDOW = 10, CUSTOM_PAYLOAD = 11, B_EDIT = 12,
-                ENTITY_NBT_QUERY = 13, USE_ENTITY = 14, JIGSAW_GENERATE = 15, KEEP_ALIVE = 16,
-                DIFFICULTY_LOCK = 17, POSITION = 18, POSITION_LOOK = 19, LOOK = 20,
-                FLYING = 21, VEHICLE_MOVE = 22, BOAT_MOVE = 23, PICK_ITEM = 24,
-                AUTO_RECIPE = 25, ABILITIES = 26, BLOCK_DIG = 27, ENTITY_ACTION = 28,
-                STEER_VEHICLE = 29, RECIPE_DISPLAYED = 30, ITEM_NAME = 31, RESOURCE_PACK_STATUS = 32,
-                ADVANCEMENTS = 33, TR_SEL = 34, BEACON = 35, HELD_ITEM_SLOT = 36,
-                SET_COMMAND_BLOCK = 37, SET_COMMAND_MINECART = 38, SET_CREATIVE_SLOT = 39, SET_JIGSAW = 40,
-                STRUCT = 41, UPDATE_SIGN = 42, ARM_ANIMATION = 43, SPECTATE = 44,
-                USE_ITEM = 45, BLOCK_PLACE = 46;
+    /**
+     * If a Packet Type could not be resolved, it will be set to the current value of this constant.
+     * This value may change over the versions so it is important to use the variable and not hard code its value.
+     */
+    public static final byte INVALID = -128;
+    public static final Map<Class<?>, Byte> packetIDMap = new HashMap<>();
+    
+    private static void insertPacketID(Class<?> cls, byte packetID) {
+        if (cls != null) {
+            packetIDMap.put(cls, packetID);
+        }
+    }
 
-        public static void init() {
-            packetIds.put(PacketTypeClasses.Client.TELEPORT_ACCEPT, TELEPORT_ACCEPT);
-            packetIds.put(PacketTypeClasses.Client.TILE_NBT_QUERY, TILE_NBT_QUERY);
-            packetIds.put(PacketTypeClasses.Client.DIFFICULTY_CHANGE, DIFFICULTY_CHANGE);
-            packetIds.put(PacketTypeClasses.Client.CHAT, CHAT);
-            packetIds.put(PacketTypeClasses.Client.CLIENT_COMMAND, CLIENT_COMMAND);
-            packetIds.put(PacketTypeClasses.Client.SETTINGS, SETTINGS);
-            packetIds.put(PacketTypeClasses.Client.TAB_COMPLETE, TAB_COMPLETE);
-            packetIds.put(PacketTypeClasses.Client.TRANSACTION, TRANSACTION);
-            packetIds.put(PacketTypeClasses.Client.ENCHANT_ITEM, ENCHANT_ITEM);
-            packetIds.put(PacketTypeClasses.Client.WINDOW_CLICK, WINDOW_CLICK);
-            packetIds.put(PacketTypeClasses.Client.CLOSE_WINDOW, CLOSE_WINDOW);
-            packetIds.put(PacketTypeClasses.Client.CUSTOM_PAYLOAD, CUSTOM_PAYLOAD);
-            packetIds.put(PacketTypeClasses.Client.B_EDIT, B_EDIT);
-            packetIds.put(PacketTypeClasses.Client.ENTITY_NBT_QUERY, ENTITY_NBT_QUERY);
-            packetIds.put(PacketTypeClasses.Client.USE_ENTITY, USE_ENTITY);
-            packetIds.put(PacketTypeClasses.Client.JIGSAW_GENERATE, JIGSAW_GENERATE);
-            packetIds.put(PacketTypeClasses.Client.KEEP_ALIVE, KEEP_ALIVE);
-            packetIds.put(PacketTypeClasses.Client.DIFFICULTY_LOCK, DIFFICULTY_LOCK);
-            packetIds.put(PacketTypeClasses.Client.POSITION, POSITION);
-            packetIds.put(PacketTypeClasses.Client.POSITION_LOOK, POSITION_LOOK);
-            packetIds.put(PacketTypeClasses.Client.LOOK, LOOK);
-            packetIds.put(PacketTypeClasses.Client.FLYING, FLYING);
-            packetIds.put(PacketTypeClasses.Client.VEHICLE_MOVE, VEHICLE_MOVE);
-            packetIds.put(PacketTypeClasses.Client.BOAT_MOVE, BOAT_MOVE);
-            packetIds.put(PacketTypeClasses.Client.PICK_ITEM, PICK_ITEM);
-            packetIds.put(PacketTypeClasses.Client.AUTO_RECIPE, AUTO_RECIPE);
-            packetIds.put(PacketTypeClasses.Client.ABILITIES, ABILITIES);
-            packetIds.put(PacketTypeClasses.Client.BLOCK_DIG, BLOCK_DIG);
-            packetIds.put(PacketTypeClasses.Client.ENTITY_ACTION, ENTITY_ACTION);
-            packetIds.put(PacketTypeClasses.Client.STEER_VEHICLE, STEER_VEHICLE);
-            packetIds.put(PacketTypeClasses.Client.RECIPE_DISPLAYED, RECIPE_DISPLAYED);
-            packetIds.put(PacketTypeClasses.Client.ITEM_NAME, ITEM_NAME);
-            packetIds.put(PacketTypeClasses.Client.RESOURCE_PACK_STATUS, RESOURCE_PACK_STATUS);
-            packetIds.put(PacketTypeClasses.Client.ADVANCEMENTS, ADVANCEMENTS);
-            packetIds.put(PacketTypeClasses.Client.TR_SEL, TR_SEL);
-            packetIds.put(PacketTypeClasses.Client.BEACON, BEACON);
-            packetIds.put(PacketTypeClasses.Client.HELD_ITEM_SLOT, HELD_ITEM_SLOT);
-            packetIds.put(PacketTypeClasses.Client.SET_COMMAND_BLOCK, SET_COMMAND_BLOCK);
-            packetIds.put(PacketTypeClasses.Client.SET_COMMAND_MINECART, SET_COMMAND_MINECART);
-            packetIds.put(PacketTypeClasses.Client.SET_CREATIVE_SLOT, SET_CREATIVE_SLOT);
-            packetIds.put(PacketTypeClasses.Client.SET_JIGSAW, SET_JIGSAW);
-            packetIds.put(PacketTypeClasses.Client.STRUCT, STRUCT);
-            packetIds.put(PacketTypeClasses.Client.UPDATE_SIGN, UPDATE_SIGN);
-            packetIds.put(PacketTypeClasses.Client.ARM_ANIMATION, ARM_ANIMATION);
-            packetIds.put(PacketTypeClasses.Client.SPECTATE, SPECTATE);
-            packetIds.put(PacketTypeClasses.Client.USE_ITEM, USE_ITEM);
-            packetIds.put(PacketTypeClasses.Client.BLOCK_PLACE, BLOCK_PLACE);
+    public static void load() {
+        Status.Client.load();
+        Status.Server.load();
+
+        Handshaking.Client.load();
+
+        Login.Client.load();
+        Login.Server.load();
+
+        Play.Client.load();
+        Play.Server.load();
+    }
+
+    /**
+     * Status Packet IDs.
+     *
+     * @author retrooper
+     * @see <a href="https://wiki.vg/Protocol#Status">https://wiki.vg/Protocol#Status</a>
+     * @since 1.7
+     */
+    public static class Status {
+        /**
+         * Server-bound (client-sided) Status Packet IDs.
+         *
+         * @author retrooper
+         * @see <a href="https://wiki.vg/Protocol#Serverbound_2">https://wiki.vg/Protocol#Serverbound_2</a>
+         * @since 1.8
+         */
+        public static class Client {
+            public static final byte START = -127, PING = -126;
+            private static void load() {
+                insertPacketID(PacketTypeClasses.Status.Client.START, Client.START);
+                insertPacketID(PacketTypeClasses.Status.Client.PING, Client.PING);
+            }
         }
 
-        public static class Util {
-            /**
-             * Is the packet an instance of the PacketPlayInFlying packet?
-             * @param packetID
-             * @return packetID == FLYING or POSITION or POSITION_LOOK or LOOK
-             */
-            public static boolean isInstanceOfFlying(final byte packetID) {
-                return packetID == FLYING
-                        || packetID == POSITION
-                        || packetID == POSITION_LOOK
-                        || packetID == LOOK;
+        /**
+         * Client-bound (server-sided) Status Packet IDs.
+         *
+         * @author retrooper
+         * @see <a href="https://wiki.vg/Protocol#Clientbound_2">https://wiki.vg/Protocol#Clientbound_2</a>
+         * @since 1.8
+         */
+        public static class Server {
+            public static final byte PONG = -125, SERVER_INFO = -124;
+            private static void load() {
+                insertPacketID(PacketTypeClasses.Status.Server.PONG, Server.PONG);
+                insertPacketID(PacketTypeClasses.Status.Server.SERVER_INFO, Server.SERVER_INFO);
             }
         }
     }
 
-    public static class Server {
-        public static final Map<Class<?>, Byte> packetIds = new HashMap<Class<?>, Byte>();
-        public static final byte SPAWN_ENTITY = 0, SPAWN_ENTITY_EXPERIENCE_ORB = 1, SPAWN_ENTITY_WEATHER = 2, SPAWN_ENTITY_LIVING = 3,
-                SPAWN_ENTITY_PAINTING = 4, SPAWN_ENTITY_SPAWN = 5, ANIMATION = 6, STATISTIC = 7,
-                BLOCK_BREAK = 8, BLOCK_BREAK_ANIMATION = 9, TILE_ENTITY_DATA = 10, BLOCK_ACTION = 11,
-                BLOCK_CHANGE = 12, BOSS = 13, SERVER_DIFFICULTY = 14, CHAT = 15, MULTI_BLOCK_CHANGE = 16,
-                TAB_COMPLETE = 17, COMMANDS = 18, TRANSACTION = 19, CLOSE_WINDOW = 20,
-                WINDOW_ITEMS = 21, WINDOW_DATA = 22, SET_SLOT = 23, SET_COOLDOWN = 24,
-                CUSTOM_PAYLOAD = 25, CUSTOM_SOUND_EFFECT = 26, KICK_DISCONNECT = 27, ENTITY_STATUS = 28,
-                EXPLOSION = 29, UNLOAD_CHUNK = 30, GAME_STATE_CHANGE = 31, OPEN_WINDOW_HORSE = 32,
-                KEEP_ALIVE = 33, MAP_CHUNK = 34, WORLD_EVENT = 35, WORLD_PARTICLES = 36,
-                LIGHT_UPDATE = 37, LOGIN = 38, MAP = 39, OPEN_WINDOW_MERCHANT = 40,
-                REL_ENTITY_MOVE = 41, REL_ENTITY_MOVE_LOOK = 42, ENTITY_LOOK = 43, ENTITY = 44,
-                VEHICLE_MOVE = 45, OPEN_BOOK = 46, OPEN_WINDOW = 47, OPEN_SIGN_EDITOR = 48,
-                AUTO_RECIPE = 49, ABILITIES = 50, COMBAT_EVENT = 51, PLAYER_INFO = 52,
-                LOOK_AT = 53, POSITION = 54, RECIPES = 55, ENTITY_DESTROY = 56,
-                REMOVE_ENTITY_EFFECT = 57, RESOURCE_PACK_SEND = 58, RESPAWN = 59, ENTITY_HEAD_ROTATION = 60,
-                SELECT_ADVANCEMENT_TAB = 61, WORLD_BORDER = 62, CAMERA = 63, HELD_ITEM_SLOT = 64,
-                VIEW_CENTRE = 65, VIEW_DISTANCE = 66, SCOREBOARD_DISPLAY_OBJECTIVE = 67, ENTITY_METADATA = 68,
-                ATTACH_ENTITY = 69, ENTITY_VELOCITY = 70, ENTITY_EQUIPMENT = 71, EXPERIENCE = 72,
-                UPDATE_HEALTH = 73, SCOREBOARD_OBJECTIVE = 74, MOUNT = 75, SCOREBOARD_TEAM = 76,
-                SCOREBOARD_SCORE = 77, SPAWN_POSITION = 78, UPDATE_TIME = 79, TITLE = 80,
-                ENTITY_SOUND = 81, NAMED_SOUND_EFFECT = 82, STOP_SOUND = 83, PLAYER_LIST_HEADER_FOOTER = 84,
-                NBT_QUERY = 85, COLLECT = 86, ENTITY_TELEPORT = 87, ADVANCEMENTS = 88, UPDATE_ATTRIBUTES = 89,
-                ENTITY_EFFECT = 90, RECIPE_UPDATE = 91, TAGS = 92, MAP_CHUNK_BULK = 93;
-
-        public static void init() {
-            packetIds.put(PacketTypeClasses.Server.SPAWN_ENTITY, SPAWN_ENTITY);
-            packetIds.put(PacketTypeClasses.Server.SPAWN_ENTITY_EXPERIENCE_ORB, SPAWN_ENTITY_EXPERIENCE_ORB);
-            packetIds.put(PacketTypeClasses.Server.SPAWN_ENTITY_WEATHER, SPAWN_ENTITY_WEATHER);
-            packetIds.put(PacketTypeClasses.Server.SPAWN_ENTITY_LIVING, SPAWN_ENTITY_LIVING);
-            packetIds.put(PacketTypeClasses.Server.SPAWN_ENTITY_PAINTING, SPAWN_ENTITY_PAINTING);
-            packetIds.put(PacketTypeClasses.Server.SPAWN_ENTITY_SPAWN, SPAWN_ENTITY_SPAWN);
-            packetIds.put(PacketTypeClasses.Server.ANIMATION, ANIMATION);
-            packetIds.put(PacketTypeClasses.Server.STATISTIC, STATISTIC);
-            packetIds.put(PacketTypeClasses.Server.BLOCK_BREAK, BLOCK_BREAK);
-            packetIds.put(PacketTypeClasses.Server.BLOCK_BREAK_ANIMATION, BLOCK_BREAK_ANIMATION);
-            packetIds.put(PacketTypeClasses.Server.TILE_ENTITY_DATA, TILE_ENTITY_DATA);
-            packetIds.put(PacketTypeClasses.Server.BLOCK_ACTION, BLOCK_ACTION);
-            packetIds.put(PacketTypeClasses.Server.BLOCK_CHANGE, BLOCK_CHANGE);
-            packetIds.put(PacketTypeClasses.Server.BOSS, BOSS);
-            packetIds.put(PacketTypeClasses.Server.SPAWN_ENTITY, SPAWN_ENTITY);
-            packetIds.put(PacketTypeClasses.Server.SERVER_DIFFICULTY, SERVER_DIFFICULTY);
-            packetIds.put(PacketTypeClasses.Server.CHAT, CHAT);
-            packetIds.put(PacketTypeClasses.Server.MULTI_BLOCK_CHANGE, MULTI_BLOCK_CHANGE);
-            packetIds.put(PacketTypeClasses.Server.TAB_COMPLETE, TAB_COMPLETE);
-            packetIds.put(PacketTypeClasses.Server.COMMANDS, COMMANDS);
-            packetIds.put(PacketTypeClasses.Server.TRANSACTION, TRANSACTION);
-            packetIds.put(PacketTypeClasses.Server.CLOSE_WINDOW, CLOSE_WINDOW);
-            packetIds.put(PacketTypeClasses.Server.WINDOW_ITEMS, WINDOW_ITEMS);
-            packetIds.put(PacketTypeClasses.Server.WINDOW_DATA, WINDOW_DATA);
-            packetIds.put(PacketTypeClasses.Server.SET_SLOT, SET_SLOT);
-            packetIds.put(PacketTypeClasses.Server.SET_COOLDOWN, SET_COOLDOWN);
-            packetIds.put(PacketTypeClasses.Server.CUSTOM_PAYLOAD, CUSTOM_PAYLOAD);
-            packetIds.put(PacketTypeClasses.Server.CUSTOM_SOUND_EFFECT, CUSTOM_SOUND_EFFECT);
-            packetIds.put(PacketTypeClasses.Server.KICK_DISCONNECT, KICK_DISCONNECT);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_STATUS, ENTITY_STATUS);
-            packetIds.put(PacketTypeClasses.Server.EXPLOSION, EXPLOSION);
-            packetIds.put(PacketTypeClasses.Server.UNLOAD_CHUNK, UNLOAD_CHUNK);
-            packetIds.put(PacketTypeClasses.Server.GAME_STATE_CHANGE, GAME_STATE_CHANGE);
-            packetIds.put(PacketTypeClasses.Server.OPEN_WINDOW_HORSE, OPEN_WINDOW_HORSE);
-            packetIds.put(PacketTypeClasses.Server.KEEP_ALIVE, KEEP_ALIVE);
-            packetIds.put(PacketTypeClasses.Server.MAP_CHUNK, MAP_CHUNK);
-            packetIds.put(PacketTypeClasses.Server.WORLD_EVENT, WORLD_EVENT);
-            packetIds.put(PacketTypeClasses.Server.WORLD_EVENT, SPAWN_ENTITY);
-            packetIds.put(PacketTypeClasses.Server.WORLD_PARTICLES, WORLD_PARTICLES);
-            packetIds.put(PacketTypeClasses.Server.LIGHT_UPDATE, LIGHT_UPDATE);
-            packetIds.put(PacketTypeClasses.Server.LOGIN, LOGIN);
-            packetIds.put(PacketTypeClasses.Server.MAP, MAP);
-            packetIds.put(PacketTypeClasses.Server.OPEN_WINDOW_MERCHANT, OPEN_WINDOW_MERCHANT);
-            packetIds.put(PacketTypeClasses.Server.REL_ENTITY_MOVE, REL_ENTITY_MOVE);
-            packetIds.put(PacketTypeClasses.Server.REL_ENTITY_MOVE_LOOK, REL_ENTITY_MOVE_LOOK);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_LOOK, ENTITY_LOOK);
-            packetIds.put(PacketTypeClasses.Server.ENTITY, ENTITY);
-            packetIds.put(PacketTypeClasses.Server.VEHICLE_MOVE, VEHICLE_MOVE);
-            packetIds.put(PacketTypeClasses.Server.OPEN_BOOK, OPEN_BOOK);
-            packetIds.put(PacketTypeClasses.Server.OPEN_WINDOW, OPEN_WINDOW);
-            packetIds.put(PacketTypeClasses.Server.OPEN_SIGN_EDITOR, OPEN_SIGN_EDITOR);
-            packetIds.put(PacketTypeClasses.Server.AUTO_RECIPE, AUTO_RECIPE);
-            packetIds.put(PacketTypeClasses.Server.ABILITIES, ABILITIES);
-            packetIds.put(PacketTypeClasses.Server.COMBAT_EVENT, COMBAT_EVENT);
-            packetIds.put(PacketTypeClasses.Server.PLAYER_INFO, PLAYER_INFO);
-            packetIds.put(PacketTypeClasses.Server.LOOK_AT, LOOK_AT);
-            packetIds.put(PacketTypeClasses.Server.POSITION, POSITION);
-            packetIds.put(PacketTypeClasses.Server.RECIPES, RECIPES);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_DESTROY, ENTITY_DESTROY);
-            packetIds.put(PacketTypeClasses.Server.REMOVE_ENTITY_EFFECT, REMOVE_ENTITY_EFFECT);
-            packetIds.put(PacketTypeClasses.Server.RESOURCE_PACK_SEND, RESOURCE_PACK_SEND);
-            packetIds.put(PacketTypeClasses.Server.RESPAWN, RESPAWN);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_HEAD_ROTATION, ENTITY_HEAD_ROTATION);
-            packetIds.put(PacketTypeClasses.Server.SELECT_ADVANCEMENT_TAB, SELECT_ADVANCEMENT_TAB);
-            packetIds.put(PacketTypeClasses.Server.WORLD_BORDER, WORLD_BORDER);
-            packetIds.put(PacketTypeClasses.Server.CAMERA, CAMERA);
-            packetIds.put(PacketTypeClasses.Server.HELD_ITEM_SLOT, HELD_ITEM_SLOT);
-            packetIds.put(PacketTypeClasses.Server.VIEW_CENTRE, VIEW_CENTRE);
-            packetIds.put(PacketTypeClasses.Server.VIEW_DISTANCE, VIEW_DISTANCE);
-            packetIds.put(PacketTypeClasses.Server.SCOREBOARD_DISPLAY_OBJECTIVE, SCOREBOARD_DISPLAY_OBJECTIVE);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_METADATA, ENTITY_METADATA);
-            packetIds.put(PacketTypeClasses.Server.ATTACH_ENTITY, ATTACH_ENTITY);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_VELOCITY, ENTITY_VELOCITY);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_EQUIPMENT, ENTITY_EQUIPMENT);
-            packetIds.put(PacketTypeClasses.Server.EXPERIENCE, EXPERIENCE);
-            packetIds.put(PacketTypeClasses.Server.UPDATE_HEALTH, UPDATE_HEALTH);
-            packetIds.put(PacketTypeClasses.Server.SCOREBOARD_OBJECTIVE, SCOREBOARD_OBJECTIVE);
-            packetIds.put(PacketTypeClasses.Server.MOUNT, MOUNT);
-            packetIds.put(PacketTypeClasses.Server.SCOREBOARD_TEAM, SCOREBOARD_TEAM);
-            packetIds.put(PacketTypeClasses.Server.SCOREBOARD_SCORE, SCOREBOARD_SCORE);
-            packetIds.put(PacketTypeClasses.Server.SPAWN_POSITION, SPAWN_POSITION);
-            packetIds.put(PacketTypeClasses.Server.UPDATE_TIME, UPDATE_TIME);
-            packetIds.put(PacketTypeClasses.Server.TITLE, TITLE);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_SOUND, ENTITY_SOUND);
-            packetIds.put(PacketTypeClasses.Server.NAMED_SOUND_EFFECT, NAMED_SOUND_EFFECT);
-            packetIds.put(PacketTypeClasses.Server.STOP_SOUND, STOP_SOUND);
-            packetIds.put(PacketTypeClasses.Server.PLAYER_LIST_HEADER_FOOTER, PLAYER_LIST_HEADER_FOOTER);
-            packetIds.put(PacketTypeClasses.Server.NBT_QUERY, NBT_QUERY);
-            packetIds.put(PacketTypeClasses.Server.COLLECT, COLLECT);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_TELEPORT, ENTITY_TELEPORT);
-            packetIds.put(PacketTypeClasses.Server.ADVANCEMENTS, ADVANCEMENTS);
-            packetIds.put(PacketTypeClasses.Server.UPDATE_ATTRIBUTES, UPDATE_ATTRIBUTES);
-            packetIds.put(PacketTypeClasses.Server.ENTITY_EFFECT, ENTITY_EFFECT);
-            packetIds.put(PacketTypeClasses.Server.RECIPE_UPDATE, RECIPE_UPDATE);
-            packetIds.put(PacketTypeClasses.Server.TAGS, TAGS);
-            packetIds.put(PacketTypeClasses.Server.MAP_CHUNK_BULK, MAP_CHUNK_BULK);
-        }
-
-        public static class Util {
-            /**
-             * Is the packet an instance of the PacketPlayOutEntity packet?
-             * @param packetID
-             * @return packetID == ENTITY or REL_ENTITY_MOVE or REL_ENTITY_MOVE_LOOK or ENTITY_LOOK
-             */
-            public static boolean isInstanceOfEntity(final byte packetID) {
-                return packetID == ENTITY || packetID == REL_ENTITY_MOVE ||
-                        packetID == REL_ENTITY_MOVE_LOOK || packetID == ENTITY_LOOK;
+    /**
+     * Handshaking Packet IDs.
+     *
+     * @author retrooper
+     * @see <a href="https://wiki.vg/Protocol#Handshaking">https://wiki.vg/Protocol#Handshaking</a>
+     * @since 1.8
+     */
+    public static class Handshaking {
+        /**
+         * Server-bound (client-sided) Handshaking Packet IDs.
+         *
+         * @author retrooper
+         * @since 1.8
+         */
+        public static class Client {
+            public static final byte SET_PROTOCOL = -123;
+            private static void load() {
+                insertPacketID(PacketTypeClasses.Handshaking.Client.SET_PROTOCOL, Client.SET_PROTOCOL);
             }
         }
     }
 
+    /**
+     * Login Packet IDs.
+     *
+     * @author retrooper
+     * @see <a href="https://wiki.vg/Protocol#Login">https://wiki.vg/Protocol#Login</a>
+     * @since 1.7
+     */
+    public static class Login {
+        /**
+         * Server-bound (client-sided) Login Packet IDs.
+         *
+         * @author retrooper
+         * @see <a href="https://wiki.vg/Protocol#Serverbound_3">https://wiki.vg/Protocol#Serverbound_3</a>
+         * @since 1.8
+         */
+        public static class Client {
+            public static final byte CUSTOM_PAYLOAD = -122, START = -121, ENCRYPTION_BEGIN = -120;
+            private static void load() {
+                insertPacketID(PacketTypeClasses.Login.Client.CUSTOM_PAYLOAD, Client.CUSTOM_PAYLOAD);
+                insertPacketID(PacketTypeClasses.Login.Client.START, Client.START);
+                insertPacketID(PacketTypeClasses.Login.Client.ENCRYPTION_BEGIN, Client.ENCRYPTION_BEGIN);
+            }
+        }
 
+        /**
+         * Client-bound (server-sided) Login Packet IDs.
+         *
+         * @author retrooper
+         * @see <a href="https://wiki.vg/Protocol#Clientbound_3">https://wiki.vg/Protocol#Clientbound_3</a>
+         * @since 1.8
+         */
+        public static class Server {
+            public static final byte CUSTOM_PAYLOAD = -119, DISCONNECT = -118, ENCRYPTION_BEGIN = -117, SUCCESS = -116, SET_COMPRESSION = -115;
+            private static void load() {
+                insertPacketID(PacketTypeClasses.Login.Server.CUSTOM_PAYLOAD, Server.CUSTOM_PAYLOAD);
+                insertPacketID(PacketTypeClasses.Login.Server.DISCONNECT, Server.DISCONNECT);
+                insertPacketID(PacketTypeClasses.Login.Server.ENCRYPTION_BEGIN, Server.ENCRYPTION_BEGIN);
+                insertPacketID(PacketTypeClasses.Login.Server.SUCCESS, Server.SUCCESS);
+                insertPacketID(PacketTypeClasses.Login.Server.SET_COMPRESSION, Server.SET_COMPRESSION);
+            }
+        }
+    }
+
+    /**
+     * Play Packet IDs.
+     *
+     * @author retrooper
+     * @see <a href="https://wiki.vg/Protocol#Play">https://wiki.vg/Protocol#Play</a>
+     * @since 1.8
+     */
+    public static class Play {
+        /**
+         * Server-bound (client-sided) Play Packet IDs.
+         *
+         * @author retrooper
+         * @see <a href="https://wiki.vg/Protocol#Serverbound_4">https://wiki.vg/Protocol#Serverbound_4</a>
+         * @since 1.8
+         */
+        public static class Client {
+            public static final byte TELEPORT_ACCEPT = -114,
+                    TILE_NBT_QUERY = -113, DIFFICULTY_CHANGE = -112, CHAT = -111, CLIENT_COMMAND = -110,
+                    SETTINGS = -109, TAB_COMPLETE = -108, TRANSACTION = -107, ENCHANT_ITEM = -106,
+                    WINDOW_CLICK = -105, CLOSE_WINDOW = -104, CUSTOM_PAYLOAD = -103, B_EDIT = -102,
+                    ENTITY_NBT_QUERY = -101, USE_ENTITY = -100, JIGSAW_GENERATE = -99, KEEP_ALIVE = -98,
+                    DIFFICULTY_LOCK = -97, POSITION = -96, POSITION_LOOK = -95, LOOK = -94,
+                    FLYING = -93, VEHICLE_MOVE = -92, BOAT_MOVE = -91, PICK_ITEM = -90,
+                    AUTO_RECIPE = -89, ABILITIES = -88, BLOCK_DIG = -87, ENTITY_ACTION = -86,
+                    STEER_VEHICLE = -85, RECIPE_DISPLAYED = -84, ITEM_NAME = -83, RESOURCE_PACK_STATUS = -82,
+                    ADVANCEMENTS = -81, TR_SEL = -80, BEACON = -79, HELD_ITEM_SLOT = -78,
+                    SET_COMMAND_BLOCK = -77, SET_COMMAND_MINECART = -76, SET_CREATIVE_SLOT = -75, SET_JIGSAW = -74,
+                    STRUCT = -73, UPDATE_SIGN = -72, ARM_ANIMATION = -71, SPECTATE = -70,
+                    USE_ITEM = -69, BLOCK_PLACE = -68;
+
+            private static void load() {
+                insertPacketID(PacketTypeClasses.Play.Client.TELEPORT_ACCEPT, TELEPORT_ACCEPT);
+                insertPacketID(PacketTypeClasses.Play.Client.TILE_NBT_QUERY, TILE_NBT_QUERY);
+                insertPacketID(PacketTypeClasses.Play.Client.DIFFICULTY_CHANGE, DIFFICULTY_CHANGE);
+                insertPacketID(PacketTypeClasses.Play.Client.CHAT, CHAT);
+                insertPacketID(PacketTypeClasses.Play.Client.CLIENT_COMMAND, CLIENT_COMMAND);
+                insertPacketID(PacketTypeClasses.Play.Client.SETTINGS, SETTINGS);
+                insertPacketID(PacketTypeClasses.Play.Client.TAB_COMPLETE, TAB_COMPLETE);
+                insertPacketID(PacketTypeClasses.Play.Client.TRANSACTION, TRANSACTION);
+                insertPacketID(PacketTypeClasses.Play.Client.ENCHANT_ITEM, ENCHANT_ITEM);
+                insertPacketID(PacketTypeClasses.Play.Client.WINDOW_CLICK, WINDOW_CLICK);
+                insertPacketID(PacketTypeClasses.Play.Client.CLOSE_WINDOW, CLOSE_WINDOW);
+                insertPacketID(PacketTypeClasses.Play.Client.CUSTOM_PAYLOAD, CUSTOM_PAYLOAD);
+                insertPacketID(PacketTypeClasses.Play.Client.B_EDIT, B_EDIT);
+                insertPacketID(PacketTypeClasses.Play.Client.ENTITY_NBT_QUERY, ENTITY_NBT_QUERY);
+                insertPacketID(PacketTypeClasses.Play.Client.USE_ENTITY, USE_ENTITY);
+                insertPacketID(PacketTypeClasses.Play.Client.JIGSAW_GENERATE, JIGSAW_GENERATE);
+                insertPacketID(PacketTypeClasses.Play.Client.KEEP_ALIVE, KEEP_ALIVE);
+                insertPacketID(PacketTypeClasses.Play.Client.DIFFICULTY_LOCK, DIFFICULTY_LOCK);
+                insertPacketID(PacketTypeClasses.Play.Client.POSITION, POSITION);
+                insertPacketID(PacketTypeClasses.Play.Client.POSITION_LOOK, POSITION_LOOK);
+                insertPacketID(PacketTypeClasses.Play.Client.LOOK, LOOK);
+                insertPacketID(PacketTypeClasses.Play.Client.FLYING, FLYING);
+                insertPacketID(PacketTypeClasses.Play.Client.VEHICLE_MOVE, VEHICLE_MOVE);
+                insertPacketID(PacketTypeClasses.Play.Client.BOAT_MOVE, BOAT_MOVE);
+                insertPacketID(PacketTypeClasses.Play.Client.PICK_ITEM, PICK_ITEM);
+                insertPacketID(PacketTypeClasses.Play.Client.AUTO_RECIPE, AUTO_RECIPE);
+                insertPacketID(PacketTypeClasses.Play.Client.ABILITIES, ABILITIES);
+                insertPacketID(PacketTypeClasses.Play.Client.BLOCK_DIG, BLOCK_DIG);
+                insertPacketID(PacketTypeClasses.Play.Client.ENTITY_ACTION, ENTITY_ACTION);
+                insertPacketID(PacketTypeClasses.Play.Client.STEER_VEHICLE, STEER_VEHICLE);
+                insertPacketID(PacketTypeClasses.Play.Client.RECIPE_DISPLAYED, RECIPE_DISPLAYED);
+                insertPacketID(PacketTypeClasses.Play.Client.ITEM_NAME, ITEM_NAME);
+                insertPacketID(PacketTypeClasses.Play.Client.RESOURCE_PACK_STATUS, RESOURCE_PACK_STATUS);
+                insertPacketID(PacketTypeClasses.Play.Client.ADVANCEMENTS, ADVANCEMENTS);
+                insertPacketID(PacketTypeClasses.Play.Client.TR_SEL, TR_SEL);
+                insertPacketID(PacketTypeClasses.Play.Client.BEACON, BEACON);
+                insertPacketID(PacketTypeClasses.Play.Client.HELD_ITEM_SLOT, HELD_ITEM_SLOT);
+                insertPacketID(PacketTypeClasses.Play.Client.SET_COMMAND_BLOCK, SET_COMMAND_BLOCK);
+                insertPacketID(PacketTypeClasses.Play.Client.SET_COMMAND_MINECART, SET_COMMAND_MINECART);
+                insertPacketID(PacketTypeClasses.Play.Client.SET_CREATIVE_SLOT, SET_CREATIVE_SLOT);
+                insertPacketID(PacketTypeClasses.Play.Client.SET_JIGSAW, SET_JIGSAW);
+                insertPacketID(PacketTypeClasses.Play.Client.STRUCT, STRUCT);
+                insertPacketID(PacketTypeClasses.Play.Client.UPDATE_SIGN, UPDATE_SIGN);
+                insertPacketID(PacketTypeClasses.Play.Client.ARM_ANIMATION, ARM_ANIMATION);
+                insertPacketID(PacketTypeClasses.Play.Client.SPECTATE, SPECTATE);
+                insertPacketID(PacketTypeClasses.Play.Client.USE_ITEM, USE_ITEM);
+                insertPacketID(PacketTypeClasses.Play.Client.BLOCK_PLACE, BLOCK_PLACE);
+            }
+
+            /**
+             * Server-bound Play Packet Type utility.
+             * Save a few lines of code by using this.
+             *
+             * @author retrooper
+             * @since 1.8
+             */
+            public static class Util {
+                /**
+                 * Is the play packet a PacketPlayInFlying, PacketPlayInPosition, PacketPlayInPositionLook
+                 * or a PacketPlayInLook packet?
+                 *
+                 * @param packetID Play Packet ID.
+                 * @return Is the Packet ID an instance of the PacketPlayInFlying packet?
+                 */
+                public static boolean isInstanceOfFlying(final byte packetID) {
+                    return packetID == FLYING
+                            || packetID == POSITION
+                            || packetID == POSITION_LOOK
+                            || packetID == LOOK;
+                }
+
+                /**
+                 * Is this the packet where the client places a block?
+                 * On 1.7.10 - 1.8.8 the client sends a PacketPlayInBlockPlace packet when actually placing the block.
+                 * On 1.9 - now the client sends a PacketPlayInUseItem packet when placing the block and the
+                 * PacketPlayInBlockPlace has a different use.
+                 * This method is a nice utility supporting all these versions letting you know
+                 * if the client played a block.
+                 * The {@link io.github.retrooper.packetevents.packetwrappers.play.in.blockplace.WrappedPacketInBlockPlace} wrapper
+                 * only works on an actual block place.
+                 * Use this method before using the wrapper to support all minecraft versions.
+                 *
+                 * @param packetID Play Packet ID.
+                 * @return Has the client placed a block?
+                 */
+                public static boolean isBlockPlace(final byte packetID) {
+                    final ServerVersion version = PacketEvents.get().getServerUtils().getVersion();
+                    return version.isNewerThan(ServerVersion.v_1_8_8) ?
+                            packetID == PacketType.Play.Client.USE_ITEM
+                            : packetID == PacketType.Play.Client.BLOCK_PLACE;
+                }
+            }
+        }
+
+        /**
+         * Client-bound (server-sided) Play Packet IDs.
+         *
+         * @author retrooper
+         * @see <a href="https://wiki.vg/Protocol#Clientbound_4">https://wiki.vg/Protocol#Clientbound_4</a>
+         * @since 1.8
+         */
+        public static class Server {
+            public static final byte SPAWN_ENTITY = -67, SPAWN_ENTITY_EXPERIENCE_ORB = -66, SPAWN_ENTITY_WEATHER = -65, SPAWN_ENTITY_LIVING = -64,
+                    SPAWN_ENTITY_PAINTING = -63, SPAWN_ENTITY_SPAWN = -62, ANIMATION = -61, STATISTIC = -60,
+                    BLOCK_BREAK = -59, BLOCK_BREAK_ANIMATION = -58, TILE_ENTITY_DATA = -57, BLOCK_ACTION = -56,
+                    BLOCK_CHANGE = -55, BOSS = -54, SERVER_DIFFICULTY = -53, CHAT = -52, MULTI_BLOCK_CHANGE = -51,
+                    TAB_COMPLETE = -50, COMMANDS = -49, TRANSACTION = -48, CLOSE_WINDOW = -47,
+                    WINDOW_ITEMS = -46, WINDOW_DATA = -45, SET_SLOT = -44, SET_COOLDOWN = -43,
+                    CUSTOM_PAYLOAD = -42, CUSTOM_SOUND_EFFECT = -41, KICK_DISCONNECT = -40, ENTITY_STATUS = -39,
+                    EXPLOSION = -38, UNLOAD_CHUNK = -37, GAME_STATE_CHANGE = -36, OPEN_WINDOW_HORSE = -35,
+                    KEEP_ALIVE = -34, MAP_CHUNK = -33, WORLD_EVENT = -32, WORLD_PARTICLES = -31,
+                    LIGHT_UPDATE = -30, LOGIN = -29, MAP = -28, OPEN_WINDOW_MERCHANT = -27,
+                    REL_ENTITY_MOVE = -26, REL_ENTITY_MOVE_LOOK = -25, ENTITY_LOOK = -24, ENTITY = -23,
+                    VEHICLE_MOVE = -22, OPEN_BOOK = -21, OPEN_WINDOW = -20, OPEN_SIGN_EDITOR = -19,
+                    AUTO_RECIPE = -18, ABILITIES = -17, COMBAT_EVENT = -16, PLAYER_INFO = -15,
+                    LOOK_AT = -14, POSITION = -13, RECIPES = -12, ENTITY_DESTROY = -11,
+                    REMOVE_ENTITY_EFFECT = -10, RESOURCE_PACK_SEND = -9, RESPAWN = -8, ENTITY_HEAD_ROTATION = -7,
+                    SELECT_ADVANCEMENT_TAB = -6, WORLD_BORDER = -5, CAMERA = -4, HELD_ITEM_SLOT = -3,
+                    VIEW_CENTRE = -2, VIEW_DISTANCE = -1, SCOREBOARD_DISPLAY_OBJECTIVE = 0, ENTITY_METADATA = 1,
+                    ATTACH_ENTITY = 2, ENTITY_VELOCITY = 3, ENTITY_EQUIPMENT = 4, EXPERIENCE = 5,
+                    UPDATE_HEALTH = 6, SCOREBOARD_OBJECTIVE = 7, MOUNT = 8, SCOREBOARD_TEAM = 9,
+                    SCOREBOARD_SCORE = 10, SPAWN_POSITION = 11, UPDATE_TIME = 12, TITLE = 13,
+                    ENTITY_SOUND = 14, NAMED_SOUND_EFFECT = 15, STOP_SOUND = 16, PLAYER_LIST_HEADER_FOOTER = 17,
+                    NBT_QUERY = 18, COLLECT = 19, ENTITY_TELEPORT = 20, ADVANCEMENTS = 21, UPDATE_ATTRIBUTES = 22,
+                    ENTITY_EFFECT = 23, RECIPE_UPDATE = 24, TAGS = 25, MAP_CHUNK_BULK = 26, NAMED_ENTITY_SPAWN = 27;
+
+            private static void load() {
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_ENTITY, SPAWN_ENTITY);
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_ENTITY_EXPERIENCE_ORB, SPAWN_ENTITY_EXPERIENCE_ORB);
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_ENTITY_WEATHER, SPAWN_ENTITY_WEATHER);
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_ENTITY_LIVING, SPAWN_ENTITY_LIVING);
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_ENTITY_PAINTING, SPAWN_ENTITY_PAINTING);
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_ENTITY_SPAWN, SPAWN_ENTITY_SPAWN);
+                insertPacketID(PacketTypeClasses.Play.Server.ANIMATION, ANIMATION);
+                insertPacketID(PacketTypeClasses.Play.Server.STATISTIC, STATISTIC);
+                insertPacketID(PacketTypeClasses.Play.Server.BLOCK_BREAK, BLOCK_BREAK);
+                insertPacketID(PacketTypeClasses.Play.Server.BLOCK_BREAK_ANIMATION, BLOCK_BREAK_ANIMATION);
+                insertPacketID(PacketTypeClasses.Play.Server.TILE_ENTITY_DATA, TILE_ENTITY_DATA);
+                insertPacketID(PacketTypeClasses.Play.Server.BLOCK_ACTION, BLOCK_ACTION);
+                insertPacketID(PacketTypeClasses.Play.Server.BLOCK_CHANGE, BLOCK_CHANGE);
+                insertPacketID(PacketTypeClasses.Play.Server.BOSS, BOSS);
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_ENTITY, SPAWN_ENTITY);
+                insertPacketID(PacketTypeClasses.Play.Server.SERVER_DIFFICULTY, SERVER_DIFFICULTY);
+                insertPacketID(PacketTypeClasses.Play.Server.CHAT, CHAT);
+                insertPacketID(PacketTypeClasses.Play.Server.MULTI_BLOCK_CHANGE, MULTI_BLOCK_CHANGE);
+                insertPacketID(PacketTypeClasses.Play.Server.TAB_COMPLETE, TAB_COMPLETE);
+                insertPacketID(PacketTypeClasses.Play.Server.COMMANDS, COMMANDS);
+                insertPacketID(PacketTypeClasses.Play.Server.TRANSACTION, TRANSACTION);
+                insertPacketID(PacketTypeClasses.Play.Server.CLOSE_WINDOW, CLOSE_WINDOW);
+                insertPacketID(PacketTypeClasses.Play.Server.WINDOW_ITEMS, WINDOW_ITEMS);
+                insertPacketID(PacketTypeClasses.Play.Server.WINDOW_DATA, WINDOW_DATA);
+                insertPacketID(PacketTypeClasses.Play.Server.SET_SLOT, SET_SLOT);
+                insertPacketID(PacketTypeClasses.Play.Server.SET_COOLDOWN, SET_COOLDOWN);
+                insertPacketID(PacketTypeClasses.Play.Server.CUSTOM_PAYLOAD, CUSTOM_PAYLOAD);
+                insertPacketID(PacketTypeClasses.Play.Server.CUSTOM_SOUND_EFFECT, CUSTOM_SOUND_EFFECT);
+                insertPacketID(PacketTypeClasses.Play.Server.KICK_DISCONNECT, KICK_DISCONNECT);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_STATUS, ENTITY_STATUS);
+                insertPacketID(PacketTypeClasses.Play.Server.EXPLOSION, EXPLOSION);
+                insertPacketID(PacketTypeClasses.Play.Server.UNLOAD_CHUNK, UNLOAD_CHUNK);
+                insertPacketID(PacketTypeClasses.Play.Server.GAME_STATE_CHANGE, GAME_STATE_CHANGE);
+                insertPacketID(PacketTypeClasses.Play.Server.OPEN_WINDOW_HORSE, OPEN_WINDOW_HORSE);
+                insertPacketID(PacketTypeClasses.Play.Server.KEEP_ALIVE, KEEP_ALIVE);
+                insertPacketID(PacketTypeClasses.Play.Server.MAP_CHUNK, MAP_CHUNK);
+                insertPacketID(PacketTypeClasses.Play.Server.WORLD_EVENT, WORLD_EVENT);
+                insertPacketID(PacketTypeClasses.Play.Server.WORLD_EVENT, SPAWN_ENTITY);
+                insertPacketID(PacketTypeClasses.Play.Server.WORLD_PARTICLES, WORLD_PARTICLES);
+                insertPacketID(PacketTypeClasses.Play.Server.LIGHT_UPDATE, LIGHT_UPDATE);
+                insertPacketID(PacketTypeClasses.Play.Server.LOGIN, LOGIN);
+                insertPacketID(PacketTypeClasses.Play.Server.MAP, MAP);
+                insertPacketID(PacketTypeClasses.Play.Server.OPEN_WINDOW_MERCHANT, OPEN_WINDOW_MERCHANT);
+                insertPacketID(PacketTypeClasses.Play.Server.REL_ENTITY_MOVE, REL_ENTITY_MOVE);
+                insertPacketID(PacketTypeClasses.Play.Server.REL_ENTITY_MOVE_LOOK, REL_ENTITY_MOVE_LOOK);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_LOOK, ENTITY_LOOK);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY, ENTITY);
+                insertPacketID(PacketTypeClasses.Play.Server.VEHICLE_MOVE, VEHICLE_MOVE);
+                insertPacketID(PacketTypeClasses.Play.Server.OPEN_BOOK, OPEN_BOOK);
+                insertPacketID(PacketTypeClasses.Play.Server.OPEN_WINDOW, OPEN_WINDOW);
+                insertPacketID(PacketTypeClasses.Play.Server.OPEN_SIGN_EDITOR, OPEN_SIGN_EDITOR);
+                insertPacketID(PacketTypeClasses.Play.Server.AUTO_RECIPE, AUTO_RECIPE);
+                insertPacketID(PacketTypeClasses.Play.Server.ABILITIES, ABILITIES);
+                insertPacketID(PacketTypeClasses.Play.Server.COMBAT_EVENT, COMBAT_EVENT);
+                insertPacketID(PacketTypeClasses.Play.Server.PLAYER_INFO, PLAYER_INFO);
+                insertPacketID(PacketTypeClasses.Play.Server.LOOK_AT, LOOK_AT);
+                insertPacketID(PacketTypeClasses.Play.Server.POSITION, POSITION);
+                insertPacketID(PacketTypeClasses.Play.Server.RECIPES, RECIPES);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_DESTROY, ENTITY_DESTROY);
+                insertPacketID(PacketTypeClasses.Play.Server.REMOVE_ENTITY_EFFECT, REMOVE_ENTITY_EFFECT);
+                insertPacketID(PacketTypeClasses.Play.Server.RESOURCE_PACK_SEND, RESOURCE_PACK_SEND);
+                insertPacketID(PacketTypeClasses.Play.Server.RESPAWN, RESPAWN);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_HEAD_ROTATION, ENTITY_HEAD_ROTATION);
+                insertPacketID(PacketTypeClasses.Play.Server.SELECT_ADVANCEMENT_TAB, SELECT_ADVANCEMENT_TAB);
+                insertPacketID(PacketTypeClasses.Play.Server.WORLD_BORDER, WORLD_BORDER);
+                insertPacketID(PacketTypeClasses.Play.Server.CAMERA, CAMERA);
+                insertPacketID(PacketTypeClasses.Play.Server.HELD_ITEM_SLOT, HELD_ITEM_SLOT);
+                insertPacketID(PacketTypeClasses.Play.Server.VIEW_CENTRE, VIEW_CENTRE);
+                insertPacketID(PacketTypeClasses.Play.Server.VIEW_DISTANCE, VIEW_DISTANCE);
+                insertPacketID(PacketTypeClasses.Play.Server.SCOREBOARD_DISPLAY_OBJECTIVE, SCOREBOARD_DISPLAY_OBJECTIVE);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_METADATA, ENTITY_METADATA);
+                insertPacketID(PacketTypeClasses.Play.Server.ATTACH_ENTITY, ATTACH_ENTITY);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_VELOCITY, ENTITY_VELOCITY);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_EQUIPMENT, ENTITY_EQUIPMENT);
+                insertPacketID(PacketTypeClasses.Play.Server.EXPERIENCE, EXPERIENCE);
+                insertPacketID(PacketTypeClasses.Play.Server.UPDATE_HEALTH, UPDATE_HEALTH);
+                insertPacketID(PacketTypeClasses.Play.Server.SCOREBOARD_OBJECTIVE, SCOREBOARD_OBJECTIVE);
+                insertPacketID(PacketTypeClasses.Play.Server.MOUNT, MOUNT);
+                insertPacketID(PacketTypeClasses.Play.Server.SCOREBOARD_TEAM, SCOREBOARD_TEAM);
+                insertPacketID(PacketTypeClasses.Play.Server.SCOREBOARD_SCORE, SCOREBOARD_SCORE);
+                insertPacketID(PacketTypeClasses.Play.Server.SPAWN_POSITION, SPAWN_POSITION);
+                insertPacketID(PacketTypeClasses.Play.Server.UPDATE_TIME, UPDATE_TIME);
+                insertPacketID(PacketTypeClasses.Play.Server.TITLE, TITLE);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_SOUND, ENTITY_SOUND);
+                insertPacketID(PacketTypeClasses.Play.Server.NAMED_SOUND_EFFECT, NAMED_SOUND_EFFECT);
+                insertPacketID(PacketTypeClasses.Play.Server.STOP_SOUND, STOP_SOUND);
+                insertPacketID(PacketTypeClasses.Play.Server.PLAYER_LIST_HEADER_FOOTER, PLAYER_LIST_HEADER_FOOTER);
+                insertPacketID(PacketTypeClasses.Play.Server.NBT_QUERY, NBT_QUERY);
+                insertPacketID(PacketTypeClasses.Play.Server.COLLECT, COLLECT);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_TELEPORT, ENTITY_TELEPORT);
+                insertPacketID(PacketTypeClasses.Play.Server.ADVANCEMENTS, ADVANCEMENTS);
+                insertPacketID(PacketTypeClasses.Play.Server.UPDATE_ATTRIBUTES, UPDATE_ATTRIBUTES);
+                insertPacketID(PacketTypeClasses.Play.Server.ENTITY_EFFECT, ENTITY_EFFECT);
+                insertPacketID(PacketTypeClasses.Play.Server.RECIPE_UPDATE, RECIPE_UPDATE);
+                insertPacketID(PacketTypeClasses.Play.Server.TAGS, TAGS);
+                insertPacketID(PacketTypeClasses.Play.Server.MAP_CHUNK_BULK, MAP_CHUNK_BULK);
+                insertPacketID(PacketTypeClasses.Play.Server.NAMED_ENTITY_SPAWN, NAMED_ENTITY_SPAWN);
+            }
+
+            /**
+             * Client-bound Play Packet Type utility.
+             * Save a few lines of code by using this.
+             *
+             * @author retrooper
+             * @since 1.8
+             */
+            public static class Util {
+                /**
+                 * Is the play packet a PacketPlayOutEntity, PacketPlayOutRelEntityMove, PacketPlayOutRelEntityMoveLook
+                 * or a PacketPlayOutEntityLook packet?
+                 *
+                 * @param packetID Play Packet ID.
+                 * @return Is the Packet ID an instance of the PacketPlayOutEntity packet?
+                 */
+                public static boolean isInstanceOfEntity(final byte packetID) {
+                    return packetID == ENTITY || packetID == REL_ENTITY_MOVE ||
+                            packetID == REL_ENTITY_MOVE_LOOK || packetID == ENTITY_LOOK;
+                }
+            }
+        }
+    }
 }

src/main/java/io/github/retrooper/packetevents/packettype/PacketTypeClasses.java

@@ -24,237 +24,309 @@
 
 package io.github.retrooper.packetevents.packettype;
 
-import io.github.retrooper.packetevents.packettype.PacketType;
+import io.github.retrooper.packetevents.PacketEvents;
 import io.github.retrooper.packetevents.utils.nms.NMSUtils;
 import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
 
 public class PacketTypeClasses {
-    public static class Client {
-        private static final String c = "PacketPlayIn";
-        public static Class<?> FLYING, POSITION, POSITION_LOOK, LOOK, CLIENT_COMMAND,
-                TRANSACTION, BLOCK_DIG, ENTITY_ACTION, USE_ENTITY,
-                WINDOW_CLICK, STEER_VEHICLE, CUSTOM_PAYLOAD, ARM_ANIMATION,
-                BLOCK_PLACE, USE_ITEM, ABILITIES, HELD_ITEM_SLOT,
-                CLOSE_WINDOW, TAB_COMPLETE, CHAT, SET_CREATIVE_SLOT,
-                KEEP_ALIVE, SETTINGS, ENCHANT_ITEM, TELEPORT_ACCEPT,
-                TILE_NBT_QUERY, DIFFICULTY_CHANGE, B_EDIT, ENTITY_NBT_QUERY,
-                JIGSAW_GENERATE, DIFFICULTY_LOCK, VEHICLE_MOVE, BOAT_MOVE, PICK_ITEM,
-                AUTO_RECIPE, RECIPE_DISPLAYED, ITEM_NAME, RESOURCE_PACK_STATUS,
-                ADVANCEMENTS, TR_SEL, BEACON, SET_COMMAND_BLOCK,
-                SET_COMMAND_MINECART, SET_JIGSAW, STRUCT, UPDATE_SIGN, SPECTATE;
+    public static void load() {
+        //STATUS
+        PacketTypeClasses.Status.Client.load();
+        PacketTypeClasses.Status.Server.load();
+        //HANDSHAKING
+        PacketTypeClasses.Handshaking.Client.load();
+        //LOGIN
+        PacketTypeClasses.Login.Client.load();
+        PacketTypeClasses.Login.Server.load();
+        //PLAY
+        PacketTypeClasses.Play.Client.load();
+        PacketTypeClasses.Play.Server.load();
+    }
 
-        /**
-         * Initiate all server-bound packet classes.
-         */
-        public static void load() {
-            FLYING = NMSUtils.getNMSClassWithoutException(c + "Flying");
-            try {
-                POSITION = NMSUtils.getNMSClass(c + "Position");
-                POSITION_LOOK = NMSUtils.getNMSClass(c + "PositionLook");
-                LOOK = NMSUtils.getNMSClass(c + "Look");
-            } catch (ClassNotFoundException e) {
-                POSITION = SubclassUtil.getSubClass(FLYING, c + "Position");
-                POSITION_LOOK = SubclassUtil.getSubClass(FLYING, c + "PositionLook");
-                LOOK = SubclassUtil.getSubClass(FLYING, c + "Look");
+    public static class Status {
+        public static class Client {
+            public static Class<?> START, PING;
+
+            public static void load() {
+                Client.START = NMSUtils.getNMSClassWithoutException("PacketStatusInStart");
+                Client.PING = NMSUtils.getNMSClassWithoutException("PacketStatusInPing");
             }
+        }
 
-            try {
-                SETTINGS = NMSUtils.getNMSClass(c + "Settings");
-                ENCHANT_ITEM = NMSUtils.getNMSClass(c + "EnchantItem");
+        public static class Server {
+            public static Class<?> PONG, SERVER_INFO;
 
-                CLIENT_COMMAND = NMSUtils.getNMSClass(c + "ClientCommand");
-                TRANSACTION = NMSUtils.getNMSClass(c + "Transaction");
-                BLOCK_DIG = NMSUtils.getNMSClass(c + "BlockDig");
-                ENTITY_ACTION = NMSUtils.getNMSClass(c + "EntityAction");
-                USE_ENTITY = NMSUtils.getNMSClass(c + "UseEntity");
-                WINDOW_CLICK = NMSUtils.getNMSClass(c + "WindowClick");
-                STEER_VEHICLE = NMSUtils.getNMSClass(c + "SteerVehicle");
-                CUSTOM_PAYLOAD = NMSUtils.getNMSClass(c + "CustomPayload");
-                ARM_ANIMATION = NMSUtils.getNMSClass(c + "ArmAnimation");
-                ABILITIES = NMSUtils.getNMSClass(c + "Abilities");
-                HELD_ITEM_SLOT = NMSUtils.getNMSClass(c + "HeldItemSlot");
-                CLOSE_WINDOW = NMSUtils.getNMSClass(c + "CloseWindow");
-                TAB_COMPLETE = NMSUtils.getNMSClass(c + "TabComplete");
-                CHAT = NMSUtils.getNMSClass(c + "Chat");
-                SET_CREATIVE_SLOT = NMSUtils.getNMSClass(c + "SetCreativeSlot");
-                KEEP_ALIVE = NMSUtils.getNMSClass(c + "KeepAlive");
-                UPDATE_SIGN = NMSUtils.getNMSClassWithoutException(c + "UpdateSign");
-
-                TELEPORT_ACCEPT = NMSUtils.getNMSClassWithoutException(c + "TeleportAccept");
-                TILE_NBT_QUERY = NMSUtils.getNMSClassWithoutException(c + "TileNBTQuery");
-                DIFFICULTY_CHANGE = NMSUtils.getNMSClassWithoutException(c + "DifficultyChange");
-                B_EDIT = NMSUtils.getNMSClassWithoutException(c + "BEdit");
-                ENTITY_NBT_QUERY = NMSUtils.getNMSClassWithoutException(c + "EntityNBTQuery");
-                JIGSAW_GENERATE = NMSUtils.getNMSClassWithoutException(c + "JigsawGenerate");
-                DIFFICULTY_LOCK = NMSUtils.getNMSClassWithoutException(c + "DifficultyLock");
-                VEHICLE_MOVE = NMSUtils.getNMSClassWithoutException(c + "VehicleMove");
-                BOAT_MOVE = NMSUtils.getNMSClassWithoutException(c + "BoatMove");
-                PICK_ITEM = NMSUtils.getNMSClassWithoutException(c + "PickItem");
-                AUTO_RECIPE = NMSUtils.getNMSClassWithoutException(c + "AutoRecipe");
-                RECIPE_DISPLAYED = NMSUtils.getNMSClassWithoutException(c + "RecipeDisplayed");
-                ITEM_NAME = NMSUtils.getNMSClassWithoutException(c + "ItemName");
-                //1.8+
-                RESOURCE_PACK_STATUS = NMSUtils.getNMSClassWithoutException(c + "ResourcePackStatus");
-
-                ADVANCEMENTS = NMSUtils.getNMSClassWithoutException(c + "Advancements");
-                TR_SEL = NMSUtils.getNMSClassWithoutException(c + "TrSel");
-                BEACON = NMSUtils.getNMSClassWithoutException(c + "Beacon");
-                SET_COMMAND_BLOCK = NMSUtils.getNMSClassWithoutException(c + "SetCommandBlock");
-                SET_COMMAND_MINECART = NMSUtils.getNMSClassWithoutException(c + "SetCommandMinecart");
-                SET_JIGSAW = NMSUtils.getNMSClassWithoutException(c + "SetJigsaw");
-                STRUCT = NMSUtils.getNMSClassWithoutException(c + "Struct");
-                SPECTATE = NMSUtils.getNMSClassWithoutException(c + "Spectate");
-            } catch (ClassNotFoundException e) {
-                e.printStackTrace();
+            public static void load() {
+                Server.PONG = NMSUtils.getNMSClassWithoutException("PacketStatusOutPong");
+                Server.SERVER_INFO = NMSUtils.getNMSClassWithoutException("PacketStatusOutServerInfo");
             }
-            //Block place
-            try {
-                BLOCK_PLACE = NMSUtils.getNMSClass(c + "BlockPlace");
-            } catch (ClassNotFoundException e) {
-                //They are just on a newer version
-                try {
-                    USE_ITEM = NMSUtils.getNMSClass(c + "UseItem");
-                } catch (ClassNotFoundException e2) {
-                    e.printStackTrace();
-                    e2.printStackTrace();
-                }
-            }
-
-            PacketType.Client.init();
         }
     }
 
-    public static class Server {
-        private static final String s = "PacketPlayOut";
-        public static Class<?> SPAWN_ENTITY, SPAWN_ENTITY_EXPERIENCE_ORB, SPAWN_ENTITY_WEATHER, SPAWN_ENTITY_LIVING,
-                SPAWN_ENTITY_PAINTING, SPAWN_ENTITY_SPAWN, ANIMATION, STATISTIC,
-                BLOCK_BREAK, BLOCK_BREAK_ANIMATION, TILE_ENTITY_DATA, BLOCK_ACTION,
-                BLOCK_CHANGE, BOSS, SERVER_DIFFICULTY, CHAT, MULTI_BLOCK_CHANGE,
-                TAB_COMPLETE, COMMANDS, TRANSACTION, CLOSE_WINDOW,
-                WINDOW_ITEMS, WINDOW_DATA, SET_SLOT, SET_COOLDOWN,
-                CUSTOM_PAYLOAD, CUSTOM_SOUND_EFFECT, KICK_DISCONNECT, ENTITY_STATUS,
-                EXPLOSION, UNLOAD_CHUNK, GAME_STATE_CHANGE, OPEN_WINDOW_HORSE,
-                KEEP_ALIVE, MAP_CHUNK, WORLD_EVENT, WORLD_PARTICLES,
-                LIGHT_UPDATE, LOGIN, MAP, OPEN_WINDOW_MERCHANT,
-                REL_ENTITY_MOVE, REL_ENTITY_MOVE_LOOK, ENTITY_LOOK, ENTITY,
-                VEHICLE_MOVE, OPEN_BOOK, OPEN_WINDOW, OPEN_SIGN_EDITOR,
-                AUTO_RECIPE, ABILITIES, COMBAT_EVENT, PLAYER_INFO,
-                LOOK_AT, POSITION, RECIPES, ENTITY_DESTROY,
-                REMOVE_ENTITY_EFFECT, RESOURCE_PACK_SEND, RESPAWN, ENTITY_HEAD_ROTATION,
-                SELECT_ADVANCEMENT_TAB, WORLD_BORDER, CAMERA, HELD_ITEM_SLOT,
-                VIEW_CENTRE, VIEW_DISTANCE, SCOREBOARD_DISPLAY_OBJECTIVE, ENTITY_METADATA,
-                ATTACH_ENTITY, ENTITY_VELOCITY, ENTITY_EQUIPMENT, EXPERIENCE,
-                UPDATE_HEALTH, SCOREBOARD_OBJECTIVE, MOUNT, SCOREBOARD_TEAM,
-                SCOREBOARD_SCORE, SPAWN_POSITION, UPDATE_TIME, TITLE,
-                ENTITY_SOUND, NAMED_SOUND_EFFECT, STOP_SOUND, PLAYER_LIST_HEADER_FOOTER,
-                NBT_QUERY, COLLECT, ENTITY_TELEPORT, ADVANCEMENTS, UPDATE_ATTRIBUTES,
-                ENTITY_EFFECT, RECIPE_UPDATE, TAGS, MAP_CHUNK_BULK;
+    public static class Handshaking {
+        public static class Client {
+            public static Class<?> SET_PROTOCOL;
 
-        /**
-         * Initiate all client-bound packet classes.
-         */
-        public static void load() {
-            SPAWN_ENTITY = NMSUtils.getNMSClassWithoutException(s + "SpawnEntity");
-            SPAWN_ENTITY_EXPERIENCE_ORB = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityExperienceOrb");
-            SPAWN_ENTITY_WEATHER = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityWeather");
-            SPAWN_ENTITY_LIVING = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityLiving");
-            SPAWN_ENTITY_PAINTING = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityPainting");
-            SPAWN_ENTITY_SPAWN = NMSUtils.getNMSClassWithoutException(s + "SpawnEntitySpawn");
-            ANIMATION = NMSUtils.getNMSClassWithoutException(s + "Animation");
-            STATISTIC = NMSUtils.getNMSClassWithoutException(s + "Statistic");
-            BLOCK_BREAK = NMSUtils.getNMSClassWithoutException(s + "BlockBreak");
-            BLOCK_BREAK_ANIMATION = NMSUtils.getNMSClassWithoutException(s + "BlockBreakAnimation");
-            TILE_ENTITY_DATA = NMSUtils.getNMSClassWithoutException(s + "TileEntityData");
-            BLOCK_ACTION = NMSUtils.getNMSClassWithoutException(s + "BlockAction");
-            BLOCK_CHANGE = NMSUtils.getNMSClassWithoutException(s + "BlockChange");
-            BOSS = NMSUtils.getNMSClassWithoutException(s + "Boss");
-            SERVER_DIFFICULTY = NMSUtils.getNMSClassWithoutException(s + "ServerDifficulty");
-            CHAT = NMSUtils.getNMSClassWithoutException(s + "Chat");
-            MULTI_BLOCK_CHANGE = NMSUtils.getNMSClassWithoutException(s + "MultiBlockChange");
-            TAB_COMPLETE = NMSUtils.getNMSClassWithoutException(s + "TabComplete");
-            COMMANDS = NMSUtils.getNMSClassWithoutException(s + "Commands");
-            TRANSACTION = NMSUtils.getNMSClassWithoutException(s + "Transaction");
-            CLOSE_WINDOW = NMSUtils.getNMSClassWithoutException(s + "CloseWindow");
-            WINDOW_ITEMS = NMSUtils.getNMSClassWithoutException(s + "WindowItems");
-            WINDOW_DATA = NMSUtils.getNMSClassWithoutException(s + "WindowData");
-            SET_SLOT = NMSUtils.getNMSClassWithoutException(s + "SetSlot");
-            SET_COOLDOWN = NMSUtils.getNMSClassWithoutException(s + "SetCooldown");
-            CUSTOM_PAYLOAD = NMSUtils.getNMSClassWithoutException(s + "CustomPayload");
-            CUSTOM_SOUND_EFFECT = NMSUtils.getNMSClassWithoutException(s + "CustomSoundEffect");
-            KICK_DISCONNECT = NMSUtils.getNMSClassWithoutException(s + "KickDisconnect");
-            ENTITY_STATUS = NMSUtils.getNMSClassWithoutException(s + "EntityStatus");
-            EXPLOSION = NMSUtils.getNMSClassWithoutException(s + "Explosion");
-            UNLOAD_CHUNK = NMSUtils.getNMSClassWithoutException(s + "UnloadChunk");
-            GAME_STATE_CHANGE = NMSUtils.getNMSClassWithoutException(s + "GameStateChange");
-            OPEN_WINDOW_HORSE = NMSUtils.getNMSClassWithoutException(s + "OpenWindowHorse");
-            KEEP_ALIVE = NMSUtils.getNMSClassWithoutException(s + "KeepAlive");
-            MAP_CHUNK = NMSUtils.getNMSClassWithoutException(s + "MapChunk");
-            WORLD_EVENT = NMSUtils.getNMSClassWithoutException(s + "WorldEvent");
-            WORLD_PARTICLES = NMSUtils.getNMSClassWithoutException(s + "WorldParticles");
-            LIGHT_UPDATE = NMSUtils.getNMSClassWithoutException(s + "LightUpdate");
-            LOGIN = NMSUtils.getNMSClassWithoutException(s + "Login");
-            MAP = NMSUtils.getNMSClassWithoutException(s + "Map");
-            OPEN_WINDOW_MERCHANT = NMSUtils.getNMSClassWithoutException(s + "OpenWindowMerchant");
-            ENTITY = NMSUtils.getNMSClassWithoutException(s + "Entity");
-            REL_ENTITY_MOVE = SubclassUtil.getSubClass(ENTITY, s + "RelEntityMove");
-            REL_ENTITY_MOVE_LOOK = SubclassUtil.getSubClass(ENTITY, s + "RelEntityMoveLook");
-            ENTITY_LOOK = SubclassUtil.getSubClass(ENTITY, s + "EntityLook");
-            if (REL_ENTITY_MOVE == null) {
-                //is not a subclass and should be accessed normally
-                REL_ENTITY_MOVE = NMSUtils.getNMSClassWithoutException(s + "RelEntityMove");
-                REL_ENTITY_MOVE_LOOK = NMSUtils.getNMSClassWithoutException(s + "RelEntityMoveLook");
-                ENTITY_LOOK = NMSUtils.getNMSClassWithoutException(s + "RelEntityLook");
+            public static void load() {
+                Handshaking.Client.SET_PROTOCOL = NMSUtils.getNMSClassWithoutException("PacketHandshakingInSetProtocol");
+            }
+        }
+    }
+
+    public static class Login {
+        public static class Client {
+            public static Class<?> CUSTOM_PAYLOAD, START, ENCRYPTION_BEGIN;
+
+            public static void load() {
+                //In and Out custom payload login packets have been here since 1.13
+                if (PacketEvents.get().getServerUtils().getVersion().isNewerThanOrEquals(ServerVersion.v_1_13)) {
+                    Client.CUSTOM_PAYLOAD = NMSUtils.getNMSClassWithoutException("PacketLoginInCustomPayload");
+                }
+                Client.START = NMSUtils.getNMSClassWithoutException("PacketLoginInStart");
+                Client.ENCRYPTION_BEGIN = NMSUtils.getNMSClassWithoutException("PacketLoginInEncryptionBegin");
+            }
+        }
+
+        public static class Server {
+            public static Class<?> CUSTOM_PAYLOAD, DISCONNECT, ENCRYPTION_BEGIN, SUCCESS, SET_COMPRESSION;
+
+            public static void load() {
+                //In and Out custom payload login packets have been here since 1.13
+                if (PacketEvents.get().getServerUtils().getVersion().isNewerThanOrEquals(ServerVersion.v_1_13)) {
+                    Server.CUSTOM_PAYLOAD = NMSUtils.getNMSClassWithoutException("PacketLoginOutCustomPayload");
+                }
+                Server.DISCONNECT = NMSUtils.getNMSClassWithoutException("PacketLoginOutDisconnect");
+                Server.ENCRYPTION_BEGIN = NMSUtils.getNMSClassWithoutException("PacketLoginOutEncryptionBegin");
+                Server.SUCCESS = NMSUtils.getNMSClassWithoutException("PacketLoginOutSuccess");
+                if (PacketEvents.get().getServerUtils().getVersion().isNewerThan(ServerVersion.v_1_7_10)) {
+                    Server.SET_COMPRESSION = NMSUtils.getNMSClassWithoutException("PacketLoginOutSetCompression");
+                }
+            }
+        }
+    }
+
+    public static class Play {
+        public static class Client {
+            private static final String PREFIX = "PacketPlayIn";
+            public static Class<?> FLYING, POSITION, POSITION_LOOK, LOOK, CLIENT_COMMAND,
+                    TRANSACTION, BLOCK_DIG, ENTITY_ACTION, USE_ENTITY,
+                    WINDOW_CLICK, STEER_VEHICLE, CUSTOM_PAYLOAD, ARM_ANIMATION,
+                    BLOCK_PLACE, USE_ITEM, ABILITIES, HELD_ITEM_SLOT,
+                    CLOSE_WINDOW, TAB_COMPLETE, CHAT, SET_CREATIVE_SLOT,
+                    KEEP_ALIVE, SETTINGS, ENCHANT_ITEM, TELEPORT_ACCEPT,
+                    TILE_NBT_QUERY, DIFFICULTY_CHANGE, B_EDIT, ENTITY_NBT_QUERY,
+                    JIGSAW_GENERATE, DIFFICULTY_LOCK, VEHICLE_MOVE, BOAT_MOVE, PICK_ITEM,
+                    AUTO_RECIPE, RECIPE_DISPLAYED, ITEM_NAME, RESOURCE_PACK_STATUS,
+                    ADVANCEMENTS, TR_SEL, BEACON, SET_COMMAND_BLOCK,
+                    SET_COMMAND_MINECART, SET_JIGSAW, STRUCT, UPDATE_SIGN, SPECTATE;
+
+            /**
+             * Initiate all server-bound play packet classes.
+             */
+            public static void load() {
+                FLYING = NMSUtils.getNMSClassWithoutException(PREFIX + "Flying");
+                try {
+                    POSITION = NMSUtils.getNMSClass(PREFIX + "Position");
+                    POSITION_LOOK = NMSUtils.getNMSClass(PREFIX + "PositionLook");
+                    LOOK = NMSUtils.getNMSClass(PREFIX + "Look");
+                } catch (Exception e) {
+                    POSITION = SubclassUtil.getSubClass(FLYING, PREFIX + "Position");
+                    POSITION_LOOK = SubclassUtil.getSubClass(FLYING, PREFIX + "PositionLook");
+                    LOOK = SubclassUtil.getSubClass(FLYING, PREFIX + "Look");
+                }
+
+                try {
+                    SETTINGS = NMSUtils.getNMSClass(PREFIX + "Settings");
+                    ENCHANT_ITEM = NMSUtils.getNMSClass(PREFIX + "EnchantItem");
+
+                    CLIENT_COMMAND = NMSUtils.getNMSClass(PREFIX + "ClientCommand");
+                    TRANSACTION = NMSUtils.getNMSClass(PREFIX + "Transaction");
+                    BLOCK_DIG = NMSUtils.getNMSClass(PREFIX + "BlockDig");
+                    ENTITY_ACTION = NMSUtils.getNMSClass(PREFIX + "EntityAction");
+                    USE_ENTITY = NMSUtils.getNMSClass(PREFIX + "UseEntity");
+                    WINDOW_CLICK = NMSUtils.getNMSClass(PREFIX + "WindowClick");
+                    STEER_VEHICLE = NMSUtils.getNMSClass(PREFIX + "SteerVehicle");
+                    CUSTOM_PAYLOAD = NMSUtils.getNMSClass(PREFIX + "CustomPayload");
+                    ARM_ANIMATION = NMSUtils.getNMSClass(PREFIX + "ArmAnimation");
+                    ABILITIES = NMSUtils.getNMSClass(PREFIX + "Abilities");
+                    HELD_ITEM_SLOT = NMSUtils.getNMSClass(PREFIX + "HeldItemSlot");
+                    CLOSE_WINDOW = NMSUtils.getNMSClass(PREFIX + "CloseWindow");
+                    TAB_COMPLETE = NMSUtils.getNMSClass(PREFIX + "TabComplete");
+                    CHAT = NMSUtils.getNMSClass(PREFIX + "Chat");
+                    SET_CREATIVE_SLOT = NMSUtils.getNMSClass(PREFIX + "SetCreativeSlot");
+                    KEEP_ALIVE = NMSUtils.getNMSClass(PREFIX + "KeepAlive");
+                    UPDATE_SIGN = NMSUtils.getNMSClassWithoutException(PREFIX + "UpdateSign");
+
+                    TELEPORT_ACCEPT = NMSUtils.getNMSClassWithoutException(PREFIX + "TeleportAccept");
+                    TILE_NBT_QUERY = NMSUtils.getNMSClassWithoutException(PREFIX + "TileNBTQuery");
+                    DIFFICULTY_CHANGE = NMSUtils.getNMSClassWithoutException(PREFIX + "DifficultyChange");
+                    B_EDIT = NMSUtils.getNMSClassWithoutException(PREFIX + "BEdit");
+                    ENTITY_NBT_QUERY = NMSUtils.getNMSClassWithoutException(PREFIX + "EntityNBTQuery");
+                    JIGSAW_GENERATE = NMSUtils.getNMSClassWithoutException(PREFIX + "JigsawGenerate");
+                    DIFFICULTY_LOCK = NMSUtils.getNMSClassWithoutException(PREFIX + "DifficultyLock");
+                    VEHICLE_MOVE = NMSUtils.getNMSClassWithoutException(PREFIX + "VehicleMove");
+                    BOAT_MOVE = NMSUtils.getNMSClassWithoutException(PREFIX + "BoatMove");
+                    PICK_ITEM = NMSUtils.getNMSClassWithoutException(PREFIX + "PickItem");
+                    AUTO_RECIPE = NMSUtils.getNMSClassWithoutException(PREFIX + "AutoRecipe");
+                    RECIPE_DISPLAYED = NMSUtils.getNMSClassWithoutException(PREFIX + "RecipeDisplayed");
+                    ITEM_NAME = NMSUtils.getNMSClassWithoutException(PREFIX + "ItemName");
+                    //1.8+
+                    RESOURCE_PACK_STATUS = NMSUtils.getNMSClassWithoutException(PREFIX + "ResourcePackStatus");
+
+                    ADVANCEMENTS = NMSUtils.getNMSClassWithoutException(PREFIX + "Advancements");
+                    TR_SEL = NMSUtils.getNMSClassWithoutException(PREFIX + "TrSel");
+                    BEACON = NMSUtils.getNMSClassWithoutException(PREFIX + "Beacon");
+                    SET_COMMAND_BLOCK = NMSUtils.getNMSClassWithoutException(PREFIX + "SetCommandBlock");
+                    SET_COMMAND_MINECART = NMSUtils.getNMSClassWithoutException(PREFIX + "SetCommandMinecart");
+                    SET_JIGSAW = NMSUtils.getNMSClassWithoutException(PREFIX + "SetJigsaw");
+                    STRUCT = NMSUtils.getNMSClassWithoutException(PREFIX + "Struct");
+                    SPECTATE = NMSUtils.getNMSClassWithoutException(PREFIX + "Spectate");
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+
+                try {
+                    BLOCK_PLACE = NMSUtils.getNMSClass(PREFIX + "BlockPlace");
+                    USE_ITEM = NMSUtils.getNMSClass(PREFIX + "UseItem");
+                } catch (Exception ignored) {
+                }
+
+            }
+        }
+
+        public static class Server {
+            private static final String s = "PacketPlayOut";
+            public static Class<?> SPAWN_ENTITY, SPAWN_ENTITY_EXPERIENCE_ORB, SPAWN_ENTITY_WEATHER, SPAWN_ENTITY_LIVING,
+                    SPAWN_ENTITY_PAINTING, SPAWN_ENTITY_SPAWN, ANIMATION, STATISTIC,
+                    BLOCK_BREAK, BLOCK_BREAK_ANIMATION, TILE_ENTITY_DATA, BLOCK_ACTION,
+                    BLOCK_CHANGE, BOSS, SERVER_DIFFICULTY, CHAT, MULTI_BLOCK_CHANGE,
+                    TAB_COMPLETE, COMMANDS, TRANSACTION, CLOSE_WINDOW,
+                    WINDOW_ITEMS, WINDOW_DATA, SET_SLOT, SET_COOLDOWN,
+                    CUSTOM_PAYLOAD, CUSTOM_SOUND_EFFECT, KICK_DISCONNECT, ENTITY_STATUS,
+                    EXPLOSION, UNLOAD_CHUNK, GAME_STATE_CHANGE, OPEN_WINDOW_HORSE,
+                    KEEP_ALIVE, MAP_CHUNK, WORLD_EVENT, WORLD_PARTICLES,
+                    LIGHT_UPDATE, LOGIN, MAP, OPEN_WINDOW_MERCHANT,
+                    REL_ENTITY_MOVE, REL_ENTITY_MOVE_LOOK, ENTITY_LOOK, ENTITY,
+                    VEHICLE_MOVE, OPEN_BOOK, OPEN_WINDOW, OPEN_SIGN_EDITOR,
+                    AUTO_RECIPE, ABILITIES, COMBAT_EVENT, PLAYER_INFO,
+                    LOOK_AT, POSITION, RECIPES, ENTITY_DESTROY,
+                    REMOVE_ENTITY_EFFECT, RESOURCE_PACK_SEND, RESPAWN, ENTITY_HEAD_ROTATION,
+                    SELECT_ADVANCEMENT_TAB, WORLD_BORDER, CAMERA, HELD_ITEM_SLOT,
+                    VIEW_CENTRE, VIEW_DISTANCE, SCOREBOARD_DISPLAY_OBJECTIVE, ENTITY_METADATA,
+                    ATTACH_ENTITY, ENTITY_VELOCITY, ENTITY_EQUIPMENT, EXPERIENCE,
+                    UPDATE_HEALTH, SCOREBOARD_OBJECTIVE, MOUNT, SCOREBOARD_TEAM,
+                    SCOREBOARD_SCORE, SPAWN_POSITION, UPDATE_TIME, TITLE,
+                    ENTITY_SOUND, NAMED_SOUND_EFFECT, STOP_SOUND, PLAYER_LIST_HEADER_FOOTER,
+                    NBT_QUERY, COLLECT, ENTITY_TELEPORT, ADVANCEMENTS, UPDATE_ATTRIBUTES,
+                    ENTITY_EFFECT, RECIPE_UPDATE, TAGS, MAP_CHUNK_BULK, NAMED_ENTITY_SPAWN;
+
+            /**
+             * Initiate all client-bound packet classes.
+             */
+            public static void load() {
+                SPAWN_ENTITY = NMSUtils.getNMSClassWithoutException(s + "SpawnEntity");
+                SPAWN_ENTITY_EXPERIENCE_ORB = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityExperienceOrb");
+                SPAWN_ENTITY_WEATHER = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityWeather");
+                SPAWN_ENTITY_LIVING = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityLiving");
+                SPAWN_ENTITY_PAINTING = NMSUtils.getNMSClassWithoutException(s + "SpawnEntityPainting");
+                SPAWN_ENTITY_SPAWN = NMSUtils.getNMSClassWithoutException(s + "SpawnEntitySpawn");
+                ANIMATION = NMSUtils.getNMSClassWithoutException(s + "Animation");
+                STATISTIC = NMSUtils.getNMSClassWithoutException(s + "Statistic");
+                BLOCK_BREAK = NMSUtils.getNMSClassWithoutException(s + "BlockBreak");
+                BLOCK_BREAK_ANIMATION = NMSUtils.getNMSClassWithoutException(s + "BlockBreakAnimation");
+                TILE_ENTITY_DATA = NMSUtils.getNMSClassWithoutException(s + "TileEntityData");
+                BLOCK_ACTION = NMSUtils.getNMSClassWithoutException(s + "BlockAction");
+                BLOCK_CHANGE = NMSUtils.getNMSClassWithoutException(s + "BlockChange");
+                BOSS = NMSUtils.getNMSClassWithoutException(s + "Boss");
+                SERVER_DIFFICULTY = NMSUtils.getNMSClassWithoutException(s + "ServerDifficulty");
+                CHAT = NMSUtils.getNMSClassWithoutException(s + "Chat");
+                MULTI_BLOCK_CHANGE = NMSUtils.getNMSClassWithoutException(s + "MultiBlockChange");
+                TAB_COMPLETE = NMSUtils.getNMSClassWithoutException(s + "TabComplete");
+                COMMANDS = NMSUtils.getNMSClassWithoutException(s + "Commands");
+                TRANSACTION = NMSUtils.getNMSClassWithoutException(s + "Transaction");
+                CLOSE_WINDOW = NMSUtils.getNMSClassWithoutException(s + "CloseWindow");
+                WINDOW_ITEMS = NMSUtils.getNMSClassWithoutException(s + "WindowItems");
+                WINDOW_DATA = NMSUtils.getNMSClassWithoutException(s + "WindowData");
+                SET_SLOT = NMSUtils.getNMSClassWithoutException(s + "SetSlot");
+                SET_COOLDOWN = NMSUtils.getNMSClassWithoutException(s + "SetCooldown");
+                CUSTOM_PAYLOAD = NMSUtils.getNMSClassWithoutException(s + "CustomPayload");
+                CUSTOM_SOUND_EFFECT = NMSUtils.getNMSClassWithoutException(s + "CustomSoundEffect");
+                KICK_DISCONNECT = NMSUtils.getNMSClassWithoutException(s + "KickDisconnect");
+                ENTITY_STATUS = NMSUtils.getNMSClassWithoutException(s + "EntityStatus");
+                EXPLOSION = NMSUtils.getNMSClassWithoutException(s + "Explosion");
+                UNLOAD_CHUNK = NMSUtils.getNMSClassWithoutException(s + "UnloadChunk");
+                GAME_STATE_CHANGE = NMSUtils.getNMSClassWithoutException(s + "GameStateChange");
+                OPEN_WINDOW_HORSE = NMSUtils.getNMSClassWithoutException(s + "OpenWindowHorse");
+                KEEP_ALIVE = NMSUtils.getNMSClassWithoutException(s + "KeepAlive");
+                MAP_CHUNK = NMSUtils.getNMSClassWithoutException(s + "MapChunk");
+                WORLD_EVENT = NMSUtils.getNMSClassWithoutException(s + "WorldEvent");
+                WORLD_PARTICLES = NMSUtils.getNMSClassWithoutException(s + "WorldParticles");
+                LIGHT_UPDATE = NMSUtils.getNMSClassWithoutException(s + "LightUpdate");
+                LOGIN = NMSUtils.getNMSClassWithoutException(s + "Login");
+                MAP = NMSUtils.getNMSClassWithoutException(s + "Map");
+                OPEN_WINDOW_MERCHANT = NMSUtils.getNMSClassWithoutException(s + "OpenWindowMerchant");
+                ENTITY = NMSUtils.getNMSClassWithoutException(s + "Entity");
+                REL_ENTITY_MOVE = SubclassUtil.getSubClass(ENTITY, s + "RelEntityMove");
+                REL_ENTITY_MOVE_LOOK = SubclassUtil.getSubClass(ENTITY, s + "RelEntityMoveLook");
+                ENTITY_LOOK = SubclassUtil.getSubClass(ENTITY, s + "EntityLook");
+                if (REL_ENTITY_MOVE == null) {
+                    //is not a subclass and should be accessed normally
+                    REL_ENTITY_MOVE = NMSUtils.getNMSClassWithoutException(s + "RelEntityMove");
+                    REL_ENTITY_MOVE_LOOK = NMSUtils.getNMSClassWithoutException(s + "RelEntityMoveLook");
+                    ENTITY_LOOK = NMSUtils.getNMSClassWithoutException(s + "RelEntityLook");
+                }
+                VEHICLE_MOVE = NMSUtils.getNMSClassWithoutException(s + "VehicleMove");
+                OPEN_BOOK = NMSUtils.getNMSClassWithoutException(s + "OpenBook");
+                OPEN_WINDOW = NMSUtils.getNMSClassWithoutException(s + "OpenWindow");
+                OPEN_SIGN_EDITOR = NMSUtils.getNMSClassWithoutException(s + "OpenSignEditor");
+                AUTO_RECIPE = NMSUtils.getNMSClassWithoutException(s + "AutoRecipe");
+                ABILITIES = NMSUtils.getNMSClassWithoutException(s + "Abilities");
+                COMBAT_EVENT = NMSUtils.getNMSClassWithoutException(s + "CombatEvent");
+                PLAYER_INFO = NMSUtils.getNMSClassWithoutException(s + "PlayerInfo");
+                LOOK_AT = NMSUtils.getNMSClassWithoutException(s + "LookAt");
+                POSITION = NMSUtils.getNMSClassWithoutException(s + "Position");
+                RECIPES = NMSUtils.getNMSClassWithoutException(s + "Recipes");
+                ENTITY_DESTROY = NMSUtils.getNMSClassWithoutException(s + "EntityDestroy");
+                REMOVE_ENTITY_EFFECT = NMSUtils.getNMSClassWithoutException(s + "RemoveEntityEffect");
+                RESOURCE_PACK_SEND = NMSUtils.getNMSClassWithoutException(s + "ResourcePackSend");
+                RESPAWN = NMSUtils.getNMSClassWithoutException(s + "Respawn");
+                ENTITY_HEAD_ROTATION = NMSUtils.getNMSClassWithoutException(s + "EntityHeadRotation");
+                SELECT_ADVANCEMENT_TAB = NMSUtils.getNMSClassWithoutException(s + "SelectAdvancementTab");
+                WORLD_BORDER = NMSUtils.getNMSClassWithoutException(s + "WorldBorder");
+                CAMERA = NMSUtils.getNMSClassWithoutException(s + "Camera");
+                HELD_ITEM_SLOT = NMSUtils.getNMSClassWithoutException(s + "HeldItemSlot");
+                VIEW_CENTRE = NMSUtils.getNMSClassWithoutException(s + "ViewCentre");
+                VIEW_DISTANCE = NMSUtils.getNMSClassWithoutException(s + "ViewDistance");
+                SCOREBOARD_DISPLAY_OBJECTIVE = NMSUtils.getNMSClassWithoutException(s + "ScoreboardDisplayObjective");
+                ENTITY_METADATA = NMSUtils.getNMSClassWithoutException(s + "EntityMetadata");
+                ATTACH_ENTITY = NMSUtils.getNMSClassWithoutException(s + "AttachEntity");
+                ENTITY_VELOCITY = NMSUtils.getNMSClassWithoutException(s + "EntityVelocity");
+                ENTITY_EQUIPMENT = NMSUtils.getNMSClassWithoutException(s + "EntityEquipment");
+                EXPERIENCE = NMSUtils.getNMSClassWithoutException(s + "Experience");
+                UPDATE_HEALTH = NMSUtils.getNMSClassWithoutException(s + "UpdateHealth");
+                SCOREBOARD_OBJECTIVE = NMSUtils.getNMSClassWithoutException(s + "ScoreboardObjective");
+                MOUNT = NMSUtils.getNMSClassWithoutException(s + "Mount");
+                SCOREBOARD_TEAM = NMSUtils.getNMSClassWithoutException(s + "ScoreboardTeam");
+                SCOREBOARD_SCORE = NMSUtils.getNMSClassWithoutException(s + "ScoreboardScore");
+                SPAWN_POSITION = NMSUtils.getNMSClassWithoutException(s + "SpawnPosition");
+                UPDATE_TIME = NMSUtils.getNMSClassWithoutException(s + "UpdateTime");
+                TITLE = NMSUtils.getNMSClassWithoutException(s + "Title");
+                ENTITY_SOUND = NMSUtils.getNMSClassWithoutException(s + "EntitySound");
+                NAMED_SOUND_EFFECT = NMSUtils.getNMSClassWithoutException(s + "NamedSoundEffect");
+                STOP_SOUND = NMSUtils.getNMSClassWithoutException(s + "StopSound");
+                PLAYER_LIST_HEADER_FOOTER = NMSUtils.getNMSClassWithoutException(s + "PlayerListHeaderFooter");
+                NBT_QUERY = NMSUtils.getNMSClassWithoutException(s + "NBTQuery");
+                COLLECT = NMSUtils.getNMSClassWithoutException(s + "Collect");
+                ENTITY_TELEPORT = NMSUtils.getNMSClassWithoutException(s + "EntityTeleport");
+                ADVANCEMENTS = NMSUtils.getNMSClassWithoutException(s + "Advancements");
+                UPDATE_ATTRIBUTES = NMSUtils.getNMSClassWithoutException(s + "UpdateAttributes");
+                ENTITY_EFFECT = NMSUtils.getNMSClassWithoutException(s + "EntityEffect");
+                RECIPE_UPDATE = NMSUtils.getNMSClassWithoutException(s + "RecipeUpdate");
+                TAGS = NMSUtils.getNMSClassWithoutException(s + "Tags");
+                MAP_CHUNK_BULK = NMSUtils.getNMSClassWithoutException(s + "MapChunkBulk");
+                NAMED_ENTITY_SPAWN = NMSUtils.getNMSClassWithoutException(s + "NamedEntitySpawn");
             }
-            VEHICLE_MOVE = NMSUtils.getNMSClassWithoutException(s + "VehicleMove");
-            OPEN_BOOK = NMSUtils.getNMSClassWithoutException(s + "OpenBook");
-            OPEN_WINDOW = NMSUtils.getNMSClassWithoutException(s + "OpenWindow");
-            OPEN_SIGN_EDITOR = NMSUtils.getNMSClassWithoutException(s + "OpenSignEditor");
-            AUTO_RECIPE = NMSUtils.getNMSClassWithoutException(s + "AutoRecipe");
-            ABILITIES = NMSUtils.getNMSClassWithoutException(s + "Abilities");
-            COMBAT_EVENT = NMSUtils.getNMSClassWithoutException(s + "CombatEvent");
-            PLAYER_INFO = NMSUtils.getNMSClassWithoutException(s + "PlayerInfo");
-            LOOK_AT = NMSUtils.getNMSClassWithoutException(s + "LookAt");
-            POSITION = NMSUtils.getNMSClassWithoutException(s + "Position");
-            RECIPES = NMSUtils.getNMSClassWithoutException(s + "Recipes");
-            ENTITY_DESTROY = NMSUtils.getNMSClassWithoutException(s + "EntityDestroy");
-            REMOVE_ENTITY_EFFECT = NMSUtils.getNMSClassWithoutException(s + "RemoveEntityEffect");
-            RESOURCE_PACK_SEND = NMSUtils.getNMSClassWithoutException(s + "ResourcePackSend");
-            RESPAWN = NMSUtils.getNMSClassWithoutException(s + "Respawn");
-            ENTITY_HEAD_ROTATION = NMSUtils.getNMSClassWithoutException(s + "EntityHeadRotation");
-            SELECT_ADVANCEMENT_TAB = NMSUtils.getNMSClassWithoutException(s + "SelectAdvancementTab");
-            WORLD_BORDER = NMSUtils.getNMSClassWithoutException(s + "WorldBorder");
-            CAMERA = NMSUtils.getNMSClassWithoutException(s + "Camera");
-            HELD_ITEM_SLOT = NMSUtils.getNMSClassWithoutException(s + "HeldItemSlot");
-            VIEW_CENTRE = NMSUtils.getNMSClassWithoutException(s + "ViewCentre");
-            VIEW_DISTANCE = NMSUtils.getNMSClassWithoutException(s + "ViewDistance");
-            SCOREBOARD_DISPLAY_OBJECTIVE = NMSUtils.getNMSClassWithoutException(s + "ScoreboardDisplayObjective");
-            ENTITY_METADATA = NMSUtils.getNMSClassWithoutException(s + "EntityMetadata");
-            ATTACH_ENTITY = NMSUtils.getNMSClassWithoutException(s + "AttachEntity");
-            ENTITY_VELOCITY = NMSUtils.getNMSClassWithoutException(s + "EntityVelocity");
-            ENTITY_EQUIPMENT = NMSUtils.getNMSClassWithoutException(s + "EntityEquipment");
-            EXPERIENCE = NMSUtils.getNMSClassWithoutException(s + "Experience");
-            UPDATE_HEALTH = NMSUtils.getNMSClassWithoutException(s + "UpdateHealth");
-            SCOREBOARD_OBJECTIVE = NMSUtils.getNMSClassWithoutException(s + "ScoreboardObjective");
-            MOUNT = NMSUtils.getNMSClassWithoutException(s + "Mount");
-            SCOREBOARD_TEAM = NMSUtils.getNMSClassWithoutException(s + "ScoreboardTeam");
-            SCOREBOARD_SCORE = NMSUtils.getNMSClassWithoutException(s + "ScoreboardScore");
-            SPAWN_POSITION = NMSUtils.getNMSClassWithoutException(s + "SpawnPosition");
-            UPDATE_TIME = NMSUtils.getNMSClassWithoutException(s + "UpdateTime");
-            TITLE = NMSUtils.getNMSClassWithoutException(s + "Title");
-            ENTITY_SOUND = NMSUtils.getNMSClassWithoutException(s + "EntitySound");
-            NAMED_SOUND_EFFECT = NMSUtils.getNMSClassWithoutException(s + "NamedSoundEffect");
-            STOP_SOUND = NMSUtils.getNMSClassWithoutException(s + "StopSound");
-            PLAYER_LIST_HEADER_FOOTER = NMSUtils.getNMSClassWithoutException(s + "PlayerListHeaderFooter");
-            NBT_QUERY = NMSUtils.getNMSClassWithoutException(s + "NBTQuery");
-            COLLECT = NMSUtils.getNMSClassWithoutException(s + "Collect");
-            ENTITY_TELEPORT = NMSUtils.getNMSClassWithoutException(s + "EntityTeleport");
-            ADVANCEMENTS = NMSUtils.getNMSClassWithoutException(s + "Advancements");
-            UPDATE_ATTRIBUTES = NMSUtils.getNMSClassWithoutException(s + "UpdateAttributes");
-            ENTITY_EFFECT = NMSUtils.getNMSClassWithoutException(s + "EntityEffect");
-            RECIPE_UPDATE = NMSUtils.getNMSClassWithoutException(s + "RecipeUpdate");
-            TAGS = NMSUtils.getNMSClassWithoutException(s + "Tags");
-            MAP_CHUNK_BULK = NMSUtils.getNMSClassWithoutException(s + "MapChunkBulk");
-            PacketType.Server.init();
         }
     }
 

src/main/java/io/github/retrooper/packetevents/packetwrappers/NMSPacket.java

@@ -22,19 +22,22 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.utils.viaversion;
+package io.github.retrooper.packetevents.packetwrappers;
 
-import org.bukkit.entity.Player;
-import us.myles.ViaVersion.api.Via;
+import io.github.retrooper.packetevents.utils.reflection.ClassUtil;
 
-import java.util.UUID;
+public class NMSPacket {
+    private final Object rawNMSPacket;
 
-class ViaAPIAccessor {
-    public static int getProtocolVersion(final Player player) {
-        return getProtocolVersion(player.getUniqueId());
+    public NMSPacket(Object rawNMSPacket) {
+        this.rawNMSPacket = rawNMSPacket;
     }
 
-    public static int getProtocolVersion(final UUID uuid) {
-        return Via.getAPI().getPlayerVersion(uuid);
+    public Object getRawNMSPacket() {
+        return rawNMSPacket;
+    }
+
+    public String getName() {
+        return ClassUtil.getClassSimpleName(rawNMSPacket.getClass());
     }
 }

src/main/java/io/github/retrooper/packetevents/packetwrappers/WrappedPacket.java

@@ -24,530 +24,234 @@
 
 package io.github.retrooper.packetevents.packetwrappers;
 
+import io.github.retrooper.packetevents.PacketEvents;
 import io.github.retrooper.packetevents.exceptions.WrapperFieldNotFoundException;
+import io.github.retrooper.packetevents.exceptions.WrapperUnsupportedUsageException;
 import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.in.blockdig.WrappedPacketInBlockDig;
-import io.github.retrooper.packetevents.packetwrappers.in.blockplace.WrappedPacketInBlockPlace;
-import io.github.retrooper.packetevents.packetwrappers.in.clientcommand.WrappedPacketInClientCommand;
-import io.github.retrooper.packetevents.packetwrappers.in.custompayload.WrappedPacketInCustomPayload;
-import io.github.retrooper.packetevents.packetwrappers.in.entityaction.WrappedPacketInEntityAction;
-import io.github.retrooper.packetevents.packetwrappers.in.keepalive.WrappedPacketInKeepAlive;
-import io.github.retrooper.packetevents.packetwrappers.in.settings.WrappedPacketInSettings;
-import io.github.retrooper.packetevents.packetwrappers.in.updatesign.WrappedPacketInUpdateSign;
-import io.github.retrooper.packetevents.packetwrappers.in.useentity.WrappedPacketInUseEntity;
-import io.github.retrooper.packetevents.packetwrappers.in.windowclick.WrappedPacketInWindowClick;
-import io.github.retrooper.packetevents.packetwrappers.out.entityteleport.WrappedPacketOutEntityTeleport;
-import io.github.retrooper.packetevents.packetwrappers.out.abilities.WrappedPacketOutAbilities;
-import io.github.retrooper.packetevents.packetwrappers.out.animation.WrappedPacketOutAnimation;
-import io.github.retrooper.packetevents.packetwrappers.out.chat.WrappedPacketOutChat;
-import io.github.retrooper.packetevents.packetwrappers.out.custompayload.WrappedPacketOutCustomPayload;
-import io.github.retrooper.packetevents.packetwrappers.out.entity.WrappedPacketOutEntity;
-import io.github.retrooper.packetevents.packetwrappers.out.entityvelocity.WrappedPacketOutEntityVelocity;
-import io.github.retrooper.packetevents.packetwrappers.out.gamestatechange.WrappedPacketOutGameStateChange;
-import io.github.retrooper.packetevents.packetwrappers.out.keepalive.WrappedPacketOutKeepAlive;
-import io.github.retrooper.packetevents.packetwrappers.out.kickdisconnect.WrappedPacketOutKickDisconnect;
-import io.github.retrooper.packetevents.packetwrappers.out.position.WrappedPacketOutPosition;
-import io.github.retrooper.packetevents.packetwrappers.out.transaction.WrappedPacketOutTransaction;
-import io.github.retrooper.packetevents.packetwrappers.out.updatehealth.WrappedPacketOutUpdateHealth;
 import io.github.retrooper.packetevents.utils.reflection.ClassUtil;
+import io.github.retrooper.packetevents.utils.reflection.Reflection;
 import io.github.retrooper.packetevents.utils.server.ServerVersion;
-import org.bukkit.entity.Player;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
-import java.util.HashMap;
+import java.util.Arrays;
 import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.logging.Level;
 
 public class WrappedPacket implements WrapperPacketReader, WrapperPacketWriter {
-    private static final HashMap<Class<?>, HashMap<Class<?>, Field[]>> fieldCache = new HashMap<>();
+
+    private static final Map<Class<? extends WrappedPacket>, Boolean> LOADED_WRAPPERS = new ConcurrentHashMap<>();
+    private static final Map<Class<?>, Map<Class<?>, Field[]>> FIELD_CACHE = new ConcurrentHashMap<>();
+    private static final Field[] EMPTY_FIELD_ARRAY = new Field[0];
     public static ServerVersion version;
-    protected final Player player;
-    protected Object packet;
-    private Class<?> packetClass;
+    private final Class<?> packetClass;
+    protected final NMSPacket packet;
 
     public WrappedPacket() {
-        this.player = null;
-        this.packet = null;
-        this.packetClass = null;
+        packet = null;
+        packetClass = null;
+        load0();
     }
 
-    public WrappedPacket(final Object packet) {
-        this(packet, packet.getClass());
+    public WrappedPacket(final NMSPacket packet) {
+        this(packet, packet.getRawNMSPacket().getClass());
     }
 
-    public WrappedPacket(final Object packet, final Class<?> packetClass) {
-        this(null, packet, packetClass);
-    }
-
-    public WrappedPacket(final Player player, final Object packet) {
-        this(player, packet, packet.getClass());
-    }
-
-    public WrappedPacket(final Player player, final Object packet, Class<?> packetClass) {
-        if (packet == null) {
-            this.player = null;
-            return;
-        }
-        if (packet.getClass().getSuperclass().equals(PacketTypeClasses.Client.FLYING)) {
-            packetClass = PacketTypeClasses.Client.FLYING;
-        } else if (packet.getClass().getSuperclass().equals(PacketTypeClasses.Server.ENTITY)) {
-            packetClass = PacketTypeClasses.Server.ENTITY;
+    public WrappedPacket(final NMSPacket packet, Class<?> packetClass) {
+        if (packetClass.getSuperclass().equals(PacketTypeClasses.Play.Client.FLYING)) {
+            packetClass = PacketTypeClasses.Play.Client.FLYING;
+        } else if (packetClass.getSuperclass().equals(PacketTypeClasses.Play.Server.ENTITY)) {
+            packetClass = PacketTypeClasses.Play.Server.ENTITY;
         }
         this.packetClass = packetClass;
-
-
-        if (!fieldCache.containsKey(packetClass)) {
-            final Field[] declaredFields = packetClass.getDeclaredFields();
-            List<Field> boolFields = new ArrayList<>();
-            List<Field> byteFields = new ArrayList<>();
-            List<Field> shortFields = new ArrayList<>();
-            List<Field> intFields = new ArrayList<>();
-            List<Field> longFields = new ArrayList<>();
-            List<Field> floatFields = new ArrayList<>();
-            List<Field> doubleFields = new ArrayList<>();
-            List<Field> stringFields = new ArrayList<>();
-
-            List<Field> boolArrayFields = new ArrayList<>();
-            List<Field> byteArrayFields = new ArrayList<>();
-            List<Field> shortArrayFields = new ArrayList<>();
-            List<Field> intArrayFields = new ArrayList<>();
-            List<Field> longArrayFields = new ArrayList<>();
-            List<Field> floatArrayFields = new ArrayList<>();
-            List<Field> doubleArrayFields = new ArrayList<>();
-            List<Field> stringArrayFields = new ArrayList<>();
-
-            for (Field f : declaredFields) {
-                f.setAccessible(true);
-                if (f.getType().equals(boolean.class)) {
-                    boolFields.add(f);
-                } else if (f.getType().equals(byte.class)) {
-                    byteFields.add(f);
-                } else if (f.getType().equals(short.class)) {
-                    shortFields.add(f);
-                } else if (f.getType().equals(int.class)) {
-                    intFields.add(f);
-                } else if (f.getType().equals(long.class)) {
-                    longFields.add(f);
-                } else if (f.getType().equals(float.class)) {
-                    floatFields.add(f);
-                } else if (f.getType().equals(double.class)) {
-                    doubleFields.add(f);
-                } else if (f.getType().equals(String.class)) {
-                    stringFields.add(f);
-                } else if (f.getType().equals(boolean[].class)) {
-                    boolArrayFields.add(f);
-                } else if (f.getType().equals(byte[].class)) {
-                    byteArrayFields.add(f);
-                } else if (f.getType().equals(short[].class)) {
-                    shortArrayFields.add(f);
-                } else if (f.getType().equals(int[].class)) {
-                    intArrayFields.add(f);
-                } else if (f.getType().equals(long[].class)) {
-                    longArrayFields.add(f);
-                } else if (f.getType().equals(float[].class)) {
-                    floatArrayFields.add(f);
-                } else if (f.getType().equals(double[].class)) {
-                    doubleArrayFields.add(f);
-                } else if (f.getType().equals(String[].class)) {
-                    stringArrayFields.add(f);
-                }
-            }
-
-            HashMap<Class<?>, Field[]> map = new HashMap<>();
-            if (!boolFields.isEmpty()) {
-                map.put(boolean.class, boolFields.toArray(new Field[0]));
-            }
-
-            if (!byteFields.isEmpty()) {
-                map.put(byte.class, byteFields.toArray(new Field[0]));
-            }
-
-            if (!shortFields.isEmpty()) {
-                map.put(short.class, shortFields.toArray(new Field[0]));
-            }
-
-            if (!intFields.isEmpty()) {
-                map.put(int.class, intFields.toArray(new Field[0]));
-            }
-
-            if (!longFields.isEmpty()) {
-                map.put(long.class, longFields.toArray(new Field[0]));
-            }
-
-            if (!floatFields.isEmpty()) {
-                map.put(float.class, floatFields.toArray(new Field[0]));
-            }
-
-            if (!doubleFields.isEmpty()) {
-                map.put(double.class, doubleFields.toArray(new Field[0]));
-            }
-
-            if (!stringFields.isEmpty()) {
-                map.put(String.class, stringFields.toArray(new Field[0]));
-            }
-
-            if (!boolArrayFields.isEmpty()) {
-                map.put(boolean[].class, boolArrayFields.toArray(new Field[0]));
-            }
-
-            if (!byteArrayFields.isEmpty()) {
-                map.put(byte[].class, byteArrayFields.toArray(new Field[0]));
-            }
-
-            if (!shortArrayFields.isEmpty()) {
-                map.put(short[].class, shortArrayFields.toArray(new Field[0]));
-            }
-
-            if (!intArrayFields.isEmpty()) {
-                map.put(int[].class, intArrayFields.toArray(new Field[0]));
-            }
-
-            if (!longArrayFields.isEmpty()) {
-                map.put(long[].class, longArrayFields.toArray(new Field[0]));
-            }
-
-            if (!floatArrayFields.isEmpty()) {
-                map.put(float[].class, floatArrayFields.toArray(new Field[0]));
-            }
-
-            if (!doubleArrayFields.isEmpty()) {
-                map.put(double[].class, doubleArrayFields.toArray(new Field[0]));
-            }
-
-            if (!stringArrayFields.isEmpty()) {
-                map.put(String[].class, stringArrayFields.toArray(new Field[0]));
-            }
-            fieldCache.put(packetClass, map);
-        }
-        this.player = player;
         this.packet = packet;
-        setup();
+        load0();
     }
 
-    public static void loadAllWrappers() {
-        //SERVER BOUND
-        WrappedPacketInBlockDig.load();
-        WrappedPacketInBlockPlace.load();
-        WrappedPacketInClientCommand.load();
-        WrappedPacketInCustomPayload.load();
-        WrappedPacketInEntityAction.load();
-        WrappedPacketInKeepAlive.load();
-        WrappedPacketInSettings.load();
-        WrappedPacketInUseEntity.load();
-        WrappedPacketInUpdateSign.load();
-        WrappedPacketInWindowClick.load();
-
-        //CLIENTBOUND
-        WrappedPacketOutAbilities.load();
-        WrappedPacketOutAnimation.load();
-        WrappedPacketOutChat.load();
-        WrappedPacketOutEntity.load();
-        WrappedPacketOutEntityVelocity.load();
-        WrappedPacketOutEntityTeleport.load();
-        WrappedPacketOutKeepAlive.load();
-        WrappedPacketOutKickDisconnect.load();
-        WrappedPacketOutPosition.load();
-        WrappedPacketOutTransaction.load();
-        WrappedPacketOutUpdateHealth.load();
-        WrappedPacketOutGameStateChange.load();
-        WrappedPacketOutCustomPayload.load();
+    private void load0() {
+        if (!isSupported()) {
+            throw new WrapperUnsupportedUsageException(getClass());
+        }
+        final Class<? extends WrappedPacket> clazz = getClass();
+        if (!LOADED_WRAPPERS.containsKey(clazz)) {
+            try {
+                load();
+            } catch (Exception ex) {
+                String wrapperName = ClassUtil.getClassSimpleName(getClass());
+                PacketEvents.get().getPlugin().getLogger()
+                        .log(Level.SEVERE, "PacketEvents found an exception while loading the " + wrapperName + " packet wrapper. Please report this bug! Tell us about your server version, spigot and code(of you using the wrapper)", ex);
+                LOADED_WRAPPERS.put(clazz, false);
+            }
+            LOADED_WRAPPERS.put(clazz, true);
+        }
     }
 
-    protected void setup() {
+    protected void load() {
 
     }
 
+    protected boolean hasLoaded() {
+        return LOADED_WRAPPERS.getOrDefault(getClass(), false);
+    }
+
+    protected void throwUnsupportedOperation(Enum<?> enumConst) throws UnsupportedOperationException {
+        Class<?> enumConstClass = enumConst.getClass();
+        Field field = null;
+        try {
+            field = enumConstClass.getField(enumConst.name());
+        } catch (NoSuchFieldException e) {
+            e.printStackTrace();
+        }
+        if (field.isAnnotationPresent(SupportedVersions.class)) {
+            SupportedVersions supportedVersions = field.getAnnotation(SupportedVersions.class);
+            List<ServerVersion> versionList = parseSupportedVersionsAnnotation(supportedVersions);
+            String supportedVersionsMsg = Arrays.toString(versionList.toArray(new ServerVersion[0]));
+            throw new UnsupportedOperationException("PacketEvents failed to use the " + enumConst.name() + " enum constant in the " + enumConstClass.getSimpleName() + " enum. This enum constant is not supported on your server version. (" + PacketEvents.get().getServerUtils().getVersion() + ")\n This enum constant is only supported on these server versions: " + supportedVersionsMsg);
+        } else {
+            throw new UnsupportedOperationException("PacketEvents failed to use the " + enumConst.name() + " enum constant in the " + enumConstClass.getSimpleName() + " enum. This enum constant is not supported on your server version. (" + PacketEvents.get().getServerUtils().getVersion() + ")\n Failed to find out what server versions this enum constant is supported on.");
+        }
+    }
+
+    protected void throwUnsupportedOperation() throws UnsupportedOperationException {
+        final String currentMethodName = "throwUnsupportedOperation";
+        StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
+        int stackTraceElementIndex = 2;
+        for (int i = 0; i < stackTraceElements.length; i++) {
+            StackTraceElement element = stackTraceElements[i];
+            if (element.getMethodName().equals(currentMethodName)) {
+                stackTraceElementIndex = i + 1; //It is the next method
+                break;
+            }
+        }
+        StackTraceElement stackTraceElement = stackTraceElements[stackTraceElementIndex];
+        String methodName = stackTraceElement.getMethodName();
+        List<Method> possibleMethods = Reflection.getMethods(getClass(), methodName, null);
+        Method method = null;
+        for (Method m : possibleMethods) {
+            if (m.isAnnotationPresent(SupportedVersions.class)) {
+                method = m;
+                break;
+            }
+        }
+        if (method == null) {
+            throw new UnsupportedOperationException("PacketEvents failed to access your requested field. This field is not supported on your server version. Failed to lookup the server versions this field supports...");
+        } else {
+            SupportedVersions supportedVersions = method.getAnnotation(SupportedVersions.class);
+            List<ServerVersion> versionList = parseSupportedVersionsAnnotation(supportedVersions);
+
+            String supportedVersionsMsg = Arrays.toString(versionList.toArray(new ServerVersion[0]));
+            throw new UnsupportedOperationException("PacketEvents failed to access your requested field. This field is not supported on your server version. (" + PacketEvents.get().getServerUtils().getVersion() + ")\n This field is only supported on these server versions: " + supportedVersionsMsg);
+        }
+    }
+
+    private List<ServerVersion> parseSupportedVersionsAnnotation(SupportedVersions supportedVersions) {
+        List<ServerVersion> versionList = new ArrayList<>();
+        for (int i = 0; i < supportedVersions.ranges().length; i += 2) {
+            ServerVersion first = supportedVersions.ranges()[i];
+            ServerVersion last = supportedVersions.ranges()[i + 1];
+            if (first == last) {
+                versionList.add(first);
+                continue;
+            } else if (first == ServerVersion.ERROR) {
+                first = ServerVersion.getOldest();
+            } else if (last == ServerVersion.ERROR) {
+                last = ServerVersion.getLatest();
+            }
+            versionList.addAll(Arrays.asList(ServerVersion.values()).subList(first.ordinal(), last.ordinal() + 1));
+        }
+        versionList.remove(ServerVersion.ERROR);
+        return versionList;
+    }
+
+
     @Override
     public boolean readBoolean(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return fieldCache.get(packetClass).get(boolean.class)[index].getBoolean(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, boolean.class, index);
+        return read(index, boolean.class);
     }
 
     @Override
     public byte readByte(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return fieldCache.get(packetClass).get(byte.class)[index].getByte(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, byte.class, index);
+        return read(index, byte.class);
     }
 
     @Override
     public short readShort(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return fieldCache.get(packetClass).get(short.class)[index].getShort(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, short.class, index);
+        return read(index, short.class);
     }
 
     @Override
     public int readInt(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return fieldCache.get(packetClass).get(int.class)[index].getInt(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, int.class, index);
+        return read(index, int.class);
     }
 
     @Override
     public long readLong(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return fieldCache.get(packetClass).get(long.class)[index].getLong(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, long.class, index);
+        return read(index, long.class);
     }
 
     @Override
     public float readFloat(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return fieldCache.get(packetClass).get(float.class)[index].getFloat(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, float.class, index);
+        return read(index, float.class);
     }
 
     @Override
     public double readDouble(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return fieldCache.get(packetClass).get(double.class)[index].getDouble(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, double.class, index);
+        return read(index, double.class);
     }
 
     @Override
     public boolean[] readBooleanArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return (boolean[]) fieldCache.get(packetClass).get(boolean[].class)[index].get(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        int currentIndex = 0;
-        for (Field f : packetClass.getDeclaredFields()) {
-            f.setAccessible(true);
-            if (boolean[].class.isAssignableFrom(f.getType())) {
-                if (index == currentIndex++) {
-                    try {
-                        return (boolean[]) f.get(packet);
-                    } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, boolean[].class, index);
+        return read(index, boolean[].class);
     }
 
     @Override
     public byte[] readByteArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return (byte[]) fieldCache.get(packetClass).get(byte[].class)[index].get(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        int currentIndex = 0;
-        for (Field f : packetClass.getDeclaredFields()) {
-            f.setAccessible(true);
-            if (byte[].class.isAssignableFrom(f.getType())) {
-                if (index == currentIndex++) {
-                    try {
-                        return (byte[]) f.get(packet);
-                    } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, byte[].class, index);
+        return read(index, byte[].class);
     }
 
     @Override
     public short[] readShortArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return (short[]) fieldCache.get(packetClass).get(short[].class)[index].get(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        int currentIndex = 0;
-        for (Field f : packetClass.getDeclaredFields()) {
-            f.setAccessible(true);
-            if (short[].class.isAssignableFrom(f.getType())) {
-                if (index == currentIndex++) {
-                    try {
-                        return (short[]) f.get(packet);
-                    } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, short[].class, index);
+        return read(index, short[].class);
     }
 
     @Override
     public int[] readIntArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return (int[]) fieldCache.get(packetClass).get(int[].class)[index].get(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        int currentIndex = 0;
-        for (Field f : packetClass.getDeclaredFields()) {
-            f.setAccessible(true);
-            if (int[].class.isAssignableFrom(f.getType())) {
-                if (index == currentIndex++) {
-                    try {
-                        return (int[]) f.get(packet);
-                    } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, int[].class, index);
+        return read(index, int[].class);
     }
 
     @Override
     public long[] readLongArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return (long[]) fieldCache.get(packetClass).get(long[].class)[index].get(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        int currentIndex = 0;
-        for (Field f : packetClass.getDeclaredFields()) {
-            f.setAccessible(true);
-            if (long[].class.isAssignableFrom(f.getType())) {
-                if (index == currentIndex++) {
-                    try {
-                        return (long[]) f.get(packet);
-                    } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, long[].class, index);
+        return read(index, long[].class);
     }
 
     @Override
     public float[] readFloatArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return (float[]) fieldCache.get(packetClass).get(float[].class)[index].get(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        int currentIndex = 0;
-        for (Field f : packetClass.getDeclaredFields()) {
-            f.setAccessible(true);
-            if (float.class.isAssignableFrom(f.getType())) {
-                if (index == currentIndex++) {
-                    try {
-                        return (float[]) f.get(packet);
-                    } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, float[].class, index);
+        return read(index, float[].class);
     }
 
     @Override
     public double[] readDoubleArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                return (double[]) fieldCache.get(packetClass).get(double[].class)[index].get(packet);
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        int currentIndex = 0;
-        for (Field f : packetClass.getDeclaredFields()) {
-            f.setAccessible(true);
-            if (double[].class.isAssignableFrom(f.getType())) {
-                if (index == currentIndex++) {
-                    try {
-                        return (double[]) f.get(packet);
-                    } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, double[].class, index);
+        return read(index, double[].class);
     }
 
     @Override
     public String[] readStringArray(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                Object[] array = (Object[]) fieldCache.get(packetClass).get(String[].class)[index].get(packet);
-                int len = array.length;
-                String[] stringArray = new String[len];
-                for (int i = 0; i < len; i++) {
-                    stringArray[i] = array[i].toString();
-                }
-                return stringArray;
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, String[].class, index);
+        return read(index, String[].class); // JavaImpact: Can we be sure that returning the original array is okay? retrooper: Yes
     }
 
     @Override
     public String readString(int index) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                Field[] fields = fieldCache.get(packetClass).get(String.class);
-                Object obj = fields[index].get(packet);
-                return obj.toString();
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
-            }
-        }
-        throw new WrapperFieldNotFoundException(packetClass, String.class, index);
+        return read(index, String.class);
     }
 
+    @Override
     public Object readAnyObject(int index) {
         try {
             Field f = packetClass.getDeclaredFields()[index];
@@ -555,8 +259,8 @@ public class WrappedPacket implements WrapperPacketReader, WrapperPacketWriter {
                 f.setAccessible(true);
             }
             try {
-                return f.get(packet);
-            } catch (IllegalAccessException e) {
+                return f.get(packet.getRawNMSPacket());
+            } catch (IllegalAccessException | NullPointerException | ArrayIndexOutOfBoundsException e) {
                 e.printStackTrace();
             }
         } catch (ArrayIndexOutOfBoundsException e) {
@@ -565,144 +269,185 @@ public class WrappedPacket implements WrapperPacketReader, WrapperPacketWriter {
         return null;
     }
 
-    public Object readObject(int index, Class<?> type) {
-        if (fieldCache.containsKey(packetClass)) {
-            HashMap<Class<?>, Field[]> map = fieldCache.get(packetClass);
-            if (!map.containsKey(type)) {
-                List<Field> typeFields = new ArrayList<>();
-                for (Field f : packetClass.getDeclaredFields()) {
-                    f.setAccessible(true);
-                    if (f.getType().equals(type)) {
-                        typeFields.add(f);
-                    }
-                }
-                if (!typeFields.isEmpty()) {
-                    map.put(type, typeFields.toArray(new Field[0]));
-                }
-            }
-
-        }
-        try {
-            return fieldCache.get(packetClass).get(type)[index].get(packet);
-        } catch (IllegalAccessException e) {
-            e.printStackTrace();
-        }
-        throw new WrapperFieldNotFoundException(packetClass, type, index);
+    @Override
+    public <T> T readObject(int index, Class<? extends T> type) {
+        return read(index, type);
     }
 
-    public Object[] readObjectArray(int index, Class<?> type) {
-        return (Object[]) readObject(index, type);
+    @Override
+    public Enum<?> readEnumConstant(int index, Class<? extends Enum<?>> type) {
+        return read(index, type);
+    }
+
+    @SuppressWarnings("unchecked")
+    public <T> T read(int index, Class<? extends T> type) {
+        Field field = getField(type, index);
+        try {
+            return (T) field.get(packet.getRawNMSPacket());
+        } catch (IllegalAccessException | NullPointerException | ArrayIndexOutOfBoundsException e) {
+            throw new WrapperFieldNotFoundException(packetClass, type, index);
+        }
     }
 
     @Override
     public void writeBoolean(int index, boolean value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(boolean.class)[index].setBoolean(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if(e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, boolean.class, index);
-                }
-                e.printStackTrace();
-            }
-        }
+        write(boolean.class, index, value);
     }
 
     @Override
     public void writeByte(int index, byte value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(byte.class)[index].setByte(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if(e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, byte.class, index);
-                }
-                e.printStackTrace();
-            }
-        }
+        write(byte.class, index, value);
     }
 
     @Override
     public void writeShort(int index, short value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(short.class)[index].setShort(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if (e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, short.class, index);
-                }
-                e.printStackTrace();
-            }
-        }
+        write(short.class, index, value);
     }
 
     @Override
     public void writeInt(int index, int value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(int.class)[index].setInt(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if (e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, int.class, index);
-                }
-                e.printStackTrace();
-            }
-        }
+        write(int.class, index, value);
     }
 
     @Override
     public void writeLong(int index, long value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(long.class)[index].setLong(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if(e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, long.class, index);
-                }
-                e.printStackTrace();
-            }
-        }
+        write(long.class, index, value);
     }
 
     @Override
     public void writeFloat(int index, float value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(float.class)[index].setFloat(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if(e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, float.class, index);
-                }
-                e.printStackTrace();
-            }
-        }
+        write(float.class, index, value);
     }
 
     @Override
     public void writeDouble(int index, double value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(double.class)[index].setDouble(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if(e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, double.class, index);
-                }
-                e.printStackTrace();
-            }
-        }
+        write(double.class, index, value);
     }
 
     @Override
     public void writeString(int index, String value) {
-        if (fieldCache.containsKey(packetClass)) {
-            try {
-                fieldCache.get(packetClass).get(String.class)[index].set(packet, value);
-            } catch (IllegalAccessException | NullPointerException e) {
-                if(e instanceof NullPointerException) {
-                    throw new WrapperFieldNotFoundException(packetClass, String.class, index);
-                }
-                e.printStackTrace();
-            }
+        write(String.class, index, value);
+    }
+
+    @Override
+    public void writeObject(int index, Object value) {
+        write(value.getClass(), index, value);
+    }
+
+    @Override
+    public void writeBooleanArray(int index, boolean[] array) {
+        write(boolean[].class, index, array);
+    }
+
+    @Override
+    public void writeByteArray(int index, byte[] value) {
+        write(byte[].class, index, value);
+    }
+
+    @Override
+    public void writeShortArray(int index, short[] value) {
+        write(short[].class, index, value);
+    }
+
+    @Override
+    public void writeIntArray(int index, int[] value) {
+        write(int[].class, index, value);
+    }
+
+    @Override
+    public void writeLongArray(int index, long[] value) {
+        write(long[].class, index, value);
+    }
+
+    @Override
+    public void writeFloatArray(int index, float[] value) {
+        write(float[].class, index, value);
+    }
+
+    @Override
+    public void writeDoubleArray(int index, double[] value) {
+        write(double[].class, index, value);
+    }
+
+    @Override
+    public void writeStringArray(int index, String[] value) {
+        write(String[].class, index, value);
+    }
+
+    @Override
+    public void writeAnyObject(int index, Object value) {
+        try {
+            Field f = packetClass.getDeclaredFields()[index];
+            f.set(packet.getRawNMSPacket(), value);
+        } catch (Exception e) {
+            throw new WrapperFieldNotFoundException("PacketEvents failed to find any field indexed " + index + " in the " + ClassUtil.getClassSimpleName(packetClass) + " class!");
         }
     }
+
+    @Override
+    public void writeEnumConstant(int index, Enum<?> enumConstant) {
+        write(enumConstant.getClass(), index, enumConstant);
+    }
+
+    public void write(Class<?> type, int index, Object value) throws WrapperFieldNotFoundException {
+        Field field = getField(type, index);
+        //Reflection.getFieldWithoutFinalModifier(field);
+        if (field == null) {
+            throw new WrapperFieldNotFoundException(packetClass, type, index);
+        }
+        try {
+            field.set(packet.getRawNMSPacket(), value);
+        } catch (IllegalAccessException | NullPointerException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private Field getField(Class<?> type, int index) {
+        Map<Class<?>, Field[]> cached = FIELD_CACHE.computeIfAbsent(packetClass, k -> new ConcurrentHashMap<>());
+        Field[] fields = cached.computeIfAbsent(type, typeClass -> getFields(typeClass, packetClass.getDeclaredFields()));
+        if (fields.length >= index + 1) {
+            return fields[index];
+        } else {
+            throw new WrapperFieldNotFoundException(packetClass, type, index);
+        }
+    }
+
+    private Field[] getFields(Class<?> type, Field[] fields) {
+        List<Field> ret = new ArrayList<>();
+        for (Field field : fields) {
+            if (field.getType().equals(type)) {
+                if (!field.isAccessible()) {
+                    field.setAccessible(true);
+                }
+                ret.add(field);
+            }
+        }
+        return ret.toArray(EMPTY_FIELD_ARRAY);
+    }
+
+
+    /**
+     * Does the local server version support reading at-least one field with this packet wrapper?
+     * If it does, we can label this wrapper to be supported on the local server version.
+     * One example where it would not be supported would be if the packet the wrapper is wrapping doesn't even exist on the local server version.
+     *
+     * @return Is the wrapper supported on the local server version?
+     */
+    public boolean isSupported() {
+        return true;
+    }
+
+    /**
+     * If a method in a wrapper is annotated with this, it means it isn't supported on all server versions.
+     * It not being supported by all server versions can lead to exceptions. Make sure you always decompile a wrapper getter before using it.
+     * This annotation will specify what versions are supported.
+     *
+     * @author retrooper
+     * @since 1.8
+     */
+    @Target({ElementType.METHOD, ElementType.FIELD, ElementType.CONSTRUCTOR})
+    @Retention(RetentionPolicy.RUNTIME)
+    public @interface SupportedVersions {
+        ServerVersion[] ranges() default {};
+    }
 }

src/main/java/io/github/retrooper/packetevents/packetwrappers/WrapperPacketReader.java

@@ -58,9 +58,9 @@ public interface WrapperPacketReader {
 
     String readString(int index);
 
-    Object readObject(int index, Class<?> type);
+    <T> T readObject(int index, Class<? extends T> type);
+
+    Enum<?> readEnumConstant(int index, Class<? extends Enum<?>> type);
 
     Object readAnyObject(int index);
-
-    Object[] readObjectArray(int index, Class<?> type);
 }

src/main/java/io/github/retrooper/packetevents/packetwrappers/WrapperPacketWriter.java

@@ -25,8 +25,6 @@
 package io.github.retrooper.packetevents.packetwrappers;
 
 public interface WrapperPacketWriter {
-
-    //TODO write for the arrays
     void writeBoolean(int index, boolean value);
 
     void writeByte(int index, byte value);
@@ -42,4 +40,27 @@ public interface WrapperPacketWriter {
     void writeDouble(int index, double value);
 
     void writeString(int index, String value);
+
+    //ARRAYS
+    void writeBooleanArray(int index, boolean[] array);
+
+    void writeByteArray(int index, byte[] value);
+
+    void writeShortArray(int index, short[] value);
+
+    void writeIntArray(int index, int[] value);
+
+    void writeLongArray(int index, long[] value);
+
+    void writeFloatArray(int index, float[] value);
+
+    void writeDoubleArray(int index, double[] value);
+
+    void writeStringArray(int index, String[] value);
+
+    void writeObject(int index, Object object);
+
+    void writeAnyObject(int index, Object value);
+
+    void writeEnumConstant(int index, Enum<?> enumConstant);
 }

src/main/java/io/github/retrooper/packetevents/packetwrappers/handshaking/setprotocol/WrappedPacketHandshakingInSetProtocol.java

@@ -0,0 +1,59 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.handshaking.setprotocol;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+
+public class WrappedPacketHandshakingInSetProtocol extends WrappedPacket {
+
+    public WrappedPacketHandshakingInSetProtocol(NMSPacket packet) {
+        super(packet);
+    }
+
+    public int getProtocolVersion() {
+        return readInt(0);
+    }
+
+    public void setProtocolVersion(int protocolVersion) {
+        writeInt(0, protocolVersion);
+    }
+
+    public int getPort() {
+        return readInt(1);
+    }
+
+    public void setPort(int port) {
+        writeInt(1, port);
+    }
+
+    public String getHostName() {
+        return readString(0);
+    }
+
+    public void setHostName(String hostName) {
+        writeString(0, hostName);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/abilities/WrappedPacketInAbilities.java

@@ -1,97 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.abilities;
-
-import io.github.retrooper.packetevents.annotations.NotNull;
-import io.github.retrooper.packetevents.annotations.Nullable;
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.reflection.Reflection;
-
-public final class WrappedPacketInAbilities extends WrappedPacket {
-
-    public WrappedPacketInAbilities(Object packet) {
-        super(packet);
-    }
-    /**
-     * This will return null if the server version is not available in 1.16.x and above
-     *
-     * @return Whether the player is vulnerable to damage or not.
-     */
-    @Deprecated
-    @Nullable
-    public boolean isVulnerable() {
-        return readBoolean(0);
-    }
-
-    @NotNull
-    public boolean isFlying() {
-        return readBoolean(1);
-    }
-
-    /**
-     * This will return null if the server version is not available in 1.16.x and above
-     *
-     * @return Whether or not the player can fly.
-     */
-    @Deprecated
-    @Nullable
-    public boolean isFlightAllowed() {
-        return readBoolean(2);
-    }
-
-    /**
-     * This will return null if the server version is not available in 1.16.x and above
-     *
-     * @return Whether or not the player can break blocks instantly.
-     */
-    @Deprecated
-    @Nullable
-    public boolean canInstantlyBuild() {
-        return readBoolean(3);
-    }
-
-    /**
-     * This will return null if the server version is not available in 1.16.x and above
-     *
-     * @return The speed at which the player can fly, as a float.
-     */
-    @Deprecated
-    @Nullable
-    public float getFlySpeed() {
-        return readFloat(0);
-    }
-
-    /**
-     * This will return null if the server version is not available in 1.16.x and above
-     *
-     * @return The speed at which the player can walk, as a float.
-     */
-    @Deprecated
-    @Nullable
-    public float getWalkSpeed() {
-        return readFloat(1);
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/blockdig/WrappedPacketInBlockDig.java

@@ -1,157 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.blockdig;
-
-import io.github.retrooper.packetevents.enums.Direction;
-import io.github.retrooper.packetevents.utils.server.ServerVersion;
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.reflection.Reflection;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
-
-public final class WrappedPacketInBlockDig extends WrappedPacket {
-    private static Class<?> blockDigClass, blockPositionClass, enumDirectionClass, digTypeClass;
-    private static boolean isVersionLowerThan_v_1_8;
-    private Object blockPosObj, enumDirObj, digTypeObj;
-    public WrappedPacketInBlockDig(Object packet) {
-        super(packet);
-    }
-
-    public static void load() {
-        blockDigClass = PacketTypeClasses.Client.BLOCK_DIG;
-        try {
-            if (version.isHigherThan(ServerVersion.v_1_7_10)) {
-                blockPositionClass = NMSUtils.getNMSClass("BlockPosition");
-                enumDirectionClass = NMSUtils.getNMSClass("EnumDirection");
-            }
-        } catch (ClassNotFoundException e) {
-            e.printStackTrace();
-        }
-        isVersionLowerThan_v_1_8 = version.isLowerThan(ServerVersion.v_1_8);
-
-        if (version != ServerVersion.v_1_7_10) {
-            try {
-                digTypeClass = NMSUtils.getNMSClass("EnumPlayerDigType");
-            } catch (ClassNotFoundException e) {
-                //It is probably a subclass
-                digTypeClass = SubclassUtil.getSubClass(blockDigClass, "EnumPlayerDigType");
-            }
-        }
-    }
-
-    /**
-     * Get X position of the block
-     * @return Block Position X
-     */
-    public int getX() {
-        if(isVersionLowerThan_v_1_8) {
-            return readInt(0);
-        }
-        else {
-            if(blockPosObj == null) {
-                blockPosObj = readObject(0, blockPositionClass);
-            }
-            WrappedPacket blockPosWrapper = new WrappedPacket(blockPosObj);
-            return blockPosWrapper.readInt(0);
-        }
-    }
-
-    /**
-     * Get Y position of the block
-     * @return Block Position Y
-     */
-    public int getY() {
-        if(isVersionLowerThan_v_1_8) {
-            return readInt(1);
-        }
-        else {
-            if(blockPosObj == null) {
-                blockPosObj = readObject(0, blockPositionClass);
-            }
-            WrappedPacket blockPosWrapper = new WrappedPacket(blockPosObj);
-            return blockPosWrapper.readInt(1);
-        }
-    }
-
-    /**
-     * Get Z position of the block
-     * @return Block Position Z
-     */
-    public int getZ() {
-        if(isVersionLowerThan_v_1_8) {
-            return readInt(2);
-        }
-        else {
-            if(blockPosObj == null) {
-                blockPosObj = readObject(0, blockPositionClass);
-            }
-            WrappedPacket blockPosWrapper = new WrappedPacket(blockPosObj);
-            return blockPosWrapper.readInt(2);
-        }
-    }
-
-    /**
-     * Get the direction
-     * Is Direction.NULL on 1.7.10 FOR NOW
-     * @return Direction
-     */
-    public Direction getDirection() {
-        if(isVersionLowerThan_v_1_8) {
-            return Direction.NULL;
-        }
-        else {
-            if(enumDirObj == null) {
-                enumDirObj = readObject(0, enumDirectionClass);
-            }
-            return Direction.valueOf(((Enum)enumDirObj).name());
-        }
-    }
-
-    /**
-     * Get the PlayerDigType enum sent in this packet.
-     * @return Dig Type
-     */
-    public PlayerDigType getDigType() {
-        if(isVersionLowerThan_v_1_8) {
-            return PlayerDigType.values()[readInt(4)];
-        }
-        else {
-            return PlayerDigType.valueOf(((Enum)readObject(0, digTypeClass)).name());
-        }
-    }
-
-    public enum PlayerDigType {
-        START_DESTROY_BLOCK,
-        ABORT_DESTROY_BLOCK,
-        STOP_DESTROY_BLOCK,
-        DROP_ALL_ITEMS,
-        DROP_ITEM,
-        RELEASE_USE_ITEM,
-        SWAP_HELD_ITEMS,
-        SWAP_ITEM_WITH_OFFHAND,
-        WRONG_PACKET
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/blockplace/WrappedPacketInBlockPlace.java

@@ -1,138 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.blockplace;
-
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.server.ServerVersion;
-import org.bukkit.block.Block;
-import org.bukkit.entity.Player;
-import org.bukkit.inventory.ItemStack;
-
-
-public final class WrappedPacketInBlockPlace extends WrappedPacket {
-    private static boolean isHigherThan_v_1_8_8, isHigherThan_v_1_7_10;
-    private WrappedPacket cachedWrappedPacket;
-
-    public WrappedPacketInBlockPlace(final Player player, final Object packet) {
-        super(player, packet);
-    }
-
-    public static void load() {
-        isHigherThan_v_1_8_8 = version.isHigherThan(ServerVersion.v_1_8_8);
-        isHigherThan_v_1_7_10 = version.isHigherThan(ServerVersion.v_1_7_10);
-        if (isHigherThan_v_1_7_10) {
-            WrappedPacketInBlockPlace_1_8.load();
-        }
-    }
-
-    public Player getPlayer() {
-        return player;
-    }
-
-    public int getX() {
-        if (isHigherThan_v_1_8_8) {
-            if (cachedWrappedPacket == null) {
-                WrappedPacketInBlockPlace_1_9 blockPlace_1_9 = new WrappedPacketInBlockPlace_1_9(getPlayer(), packet);
-                cachedWrappedPacket = blockPlace_1_9;
-                return blockPlace_1_9.getBlock().getX();
-            }
-            return ((WrappedPacketInBlockPlace_1_9)cachedWrappedPacket).getBlock().getX();
-        } else if (isHigherThan_v_1_7_10) {
-           if(cachedWrappedPacket == null) {
-               WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
-               cachedWrappedPacket = blockPlace_1_8;
-               return blockPlace_1_8.getX();
-           }
-        } else {
-            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
-            return blockPlace_1_7_10.x;
-        }
-        return 0;
-    }
-
-    public int getY() {
-        if (isHigherThan_v_1_8_8) {
-            if (cachedWrappedPacket == null) {
-                WrappedPacketInBlockPlace_1_9 blockPlace_1_9 = new WrappedPacketInBlockPlace_1_9(getPlayer(), packet);
-                cachedWrappedPacket = blockPlace_1_9;
-                return blockPlace_1_9.getBlock().getY();
-            }
-            return ((WrappedPacketInBlockPlace_1_9)cachedWrappedPacket).getBlock().getX();
-        } else if (isHigherThan_v_1_7_10) {
-            if(cachedWrappedPacket == null) {
-                WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
-                cachedWrappedPacket = blockPlace_1_8;
-                return blockPlace_1_8.getY();
-            }
-        } else {
-            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
-            return blockPlace_1_7_10.y;
-        }
-        return 0;
-    }
-
-    public int getZ() {
-        if (isHigherThan_v_1_8_8) {
-            if (cachedWrappedPacket == null) {
-                WrappedPacketInBlockPlace_1_9 blockPlace_1_9 = new WrappedPacketInBlockPlace_1_9(getPlayer(), packet);
-                cachedWrappedPacket = blockPlace_1_9;
-                return blockPlace_1_9.getBlock().getZ();
-            }
-            return ((WrappedPacketInBlockPlace_1_9)cachedWrappedPacket).getBlock().getX();
-        } else if (isHigherThan_v_1_7_10) {
-            if(cachedWrappedPacket == null) {
-                WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
-                cachedWrappedPacket = blockPlace_1_8;
-                return blockPlace_1_8.getZ();
-            }
-        } else {
-            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
-            return blockPlace_1_7_10.z;
-        }
-        return 0;
-    }
-
-    public ItemStack getItemStack() {
-        if (isHigherThan_v_1_8_8) {
-            if (cachedWrappedPacket == null) {
-                WrappedPacketInBlockPlace_1_9 blockPlace_1_9 = new WrappedPacketInBlockPlace_1_9(getPlayer(), packet);
-                cachedWrappedPacket = blockPlace_1_9;
-                return new ItemStack(blockPlace_1_9.getBlock().getType());
-            }
-            return new ItemStack(((WrappedPacketInBlockPlace_1_9)cachedWrappedPacket).getBlock().getType());
-        } else if (isHigherThan_v_1_7_10) {
-            if(cachedWrappedPacket == null) {
-                WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
-                cachedWrappedPacket = blockPlace_1_8;
-                return blockPlace_1_8.getItemStack();
-            }
-        } else {
-            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
-            return blockPlace_1_7_10.itemStack;
-        }
-        return null;
-    }
-
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/blockplace/WrappedPacketInBlockPlace_1_8.java

@@ -1,93 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.blockplace;
-
-import io.github.retrooper.packetevents.exceptions.WrapperFieldNotFoundException;
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.reflection.Reflection;
-import org.bukkit.inventory.ItemStack;
-
-import java.lang.reflect.InvocationTargetException;
-
-final class WrappedPacketInBlockPlace_1_8 extends WrappedPacket {
-    private static Class<?> blockPlaceClass, blockPositionClass, blockPositionSuperClass;
-    private Object blockPosObj;
-
-    WrappedPacketInBlockPlace_1_8(final Object packet) {
-        super(packet);
-    }
-
-    protected static void load() {
-        blockPlaceClass = PacketTypeClasses.Client.BLOCK_PLACE;
-        try {
-            blockPositionClass = NMSUtils.getNMSClass("BlockPosition");
-        } catch (ClassNotFoundException e) {
-            e.printStackTrace();
-        }
-        blockPositionSuperClass = blockPositionClass.getSuperclass();
-    }
-
-    public int getX() {
-        if(blockPosObj == null) {
-            blockPosObj = new WrappedPacket(packet).readObject(0, blockPositionClass);
-        }
-        try {
-            return (int)Reflection.getMethod(blockPositionSuperClass, "getX", 0).invoke(blockPosObj);
-        } catch (IllegalAccessException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return 0;
-    }
-
-    public int getY() {
-        if(blockPosObj == null) {
-            blockPosObj = new WrappedPacket(packet).readObject(0, blockPositionClass);
-        }
-        try {
-            return (int)Reflection.getMethod(blockPositionSuperClass, "getY", 0).invoke(blockPosObj);
-        } catch (IllegalAccessException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return 0;
-    }
-
-    public int getZ() {
-        if(blockPosObj == null) {
-            blockPosObj = new WrappedPacket(packet).readObject(0, blockPositionClass);
-        }
-        try {
-            return (int)Reflection.getMethod(blockPositionSuperClass, "getZ", 0).invoke(blockPosObj);
-        } catch (IllegalAccessException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return 0;
-    }
-
-    public ItemStack getItemStack() {
-        return NMSUtils.toBukkitItemStack(readObject(0, NMSUtils.nmsItemStackClass));
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/entityaction/WrappedPacketInEntityAction.java

@@ -1,141 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.entityaction;
-
-import io.github.retrooper.packetevents.annotations.Nullable;
-import io.github.retrooper.packetevents.utils.server.ServerVersion;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
-import org.bukkit.entity.Entity;
-
-import java.util.HashMap;
-
-public final class WrappedPacketInEntityAction extends WrappedPacket {
-    private static final HashMap<String, PlayerAction> cachedPlayerActionNames = new HashMap<String, PlayerAction>();
-    private static final HashMap<Integer, PlayerAction> cachedPlayerActionIDs = new HashMap<Integer, PlayerAction>();
-    @Nullable
-    private static Class<?> enumPlayerActionClass;
-    private static boolean isLowerThan_v_1_8;
-    private Entity entity;
-    private int entityId = -1;
-    private PlayerAction action;
-
-    public WrappedPacketInEntityAction(final Object packet) {
-        super(packet);
-    }
-
-    public static void load() {
-        Class<?> entityActionClass = NMSUtils.getNMSClassWithoutException("PacketPlayInEntityAction");
-        isLowerThan_v_1_8 = version.isLowerThan(ServerVersion.v_1_8);
-        if (!isLowerThan_v_1_8) {
-            enumPlayerActionClass = SubclassUtil.getSubClass(entityActionClass, "EnumPlayerAction");
-        }
-        //All the already existing values
-        for (PlayerAction val : PlayerAction.values()) {
-            cachedPlayerActionNames.put(val.name(), val);
-        }
-
-        cachedPlayerActionNames.put("PRESS_SHIFT_KEY", PlayerAction.START_SNEAKING);
-        cachedPlayerActionNames.put("RELEASE_SHIFT_KEY", PlayerAction.STOP_SNEAKING);
-        cachedPlayerActionNames.put("RIDING_JUMP", PlayerAction.START_RIDING_JUMP);
-
-        cachedPlayerActionIDs.put(1, PlayerAction.START_SNEAKING);
-        cachedPlayerActionIDs.put(2, PlayerAction.STOP_SNEAKING);
-        cachedPlayerActionIDs.put(3, PlayerAction.STOP_SLEEPING);
-        cachedPlayerActionIDs.put(4, PlayerAction.START_SPRINTING);
-        cachedPlayerActionIDs.put(5, PlayerAction.STOP_SPRINTING);
-        cachedPlayerActionIDs.put(6, PlayerAction.START_RIDING_JUMP); //riding jump
-        cachedPlayerActionIDs.put(7, PlayerAction.OPEN_INVENTORY); //horse interaction
-
-    }
-    /**
-     * Lookup the associated entity by the ID that was sent in the packet.
-     *
-     * @return Entity
-     */
-    public Entity getEntity() {
-        if(entity == null) {
-            return entity = NMSUtils.getEntityById(getEntityID());
-        }
-        return entity;
-    }
-
-    /**
-     * Get the ID of the entity.
-     * If you do not want to use {@link #getEntity()},
-     * you lookup the entity by yourself with this entity ID.
-     *
-     * @return Entity ID
-     */
-    public int getEntityID() {
-        if(entityId != -1) {
-            return entityId;
-        }
-        return readInt(0);
-    }
-
-    /**
-     * Get the player action.
-     *
-     * @return Player Action
-     */
-    public PlayerAction getAction() {
-        if (isLowerThan_v_1_8) {
-            int animationIndex = readInt(1);
-            return cachedPlayerActionIDs.get(animationIndex);
-        } else {
-            final Object enumObj = readObject(0, enumPlayerActionClass);
-            final String enumValueName = enumObj.toString();
-            return cachedPlayerActionNames.get(enumValueName);
-        }
-    }
-
-    /**
-     * Get the jump boost integer.
-     *
-     * @return Jump Boost
-     */
-    public int getJumpBoost() {
-        if (isLowerThan_v_1_8) {
-            return readInt(2);
-        } else {
-            return readInt(1);
-        }
-    }
-
-    public enum PlayerAction {
-        START_SNEAKING,
-        STOP_SNEAKING,
-        STOP_SLEEPING,
-        START_SPRINTING,
-        STOP_SPRINTING,
-        START_RIDING_JUMP,
-        STOP_RIDING_JUMP,
-        OPEN_INVENTORY,
-        START_FALL_FLYING
-    }
-
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/settings/WrappedPacketInSettings.java

@@ -1,172 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.settings;
-
-import io.github.retrooper.packetevents.annotations.Nullable;
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
-import io.github.retrooper.packetevents.utils.server.ServerVersion;
-
-import java.util.HashMap;
-
-public class WrappedPacketInSettings extends WrappedPacket {
-    private static Class<?> chatVisibilityEnumClass;
-
-    private static boolean isLowerThan_v_1_8;
-    private Object chatVisibilityEnumObj;
-    private HashMap<DisplayedSkinPart, Boolean> displayedSkinParts = new HashMap<>();
-
-    public WrappedPacketInSettings(final Object packet) {
-        super(packet);
-    }
-
-    public static void load() {
-        Class<?> packetClass = PacketTypeClasses.Client.SETTINGS;
-
-        isLowerThan_v_1_8 = version.isLowerThan(ServerVersion.v_1_8);
-
-        try {
-            chatVisibilityEnumClass = NMSUtils.getNMSClass("EnumChatVisibility");
-        } catch (ClassNotFoundException e) {
-            Class<?> entityHumanClass = NMSUtils.getNMSClassWithoutException("EntityHuman");
-            //They are just on an outdated version
-            assert entityHumanClass != null;
-            chatVisibilityEnumClass = SubclassUtil.getSubClass(entityHumanClass, "EnumChatVisibility");
-        }
-    }
-
-    /**
-     * Get language client setting
-     *
-     * @return String Locale
-     */
-    public String getLocale() {
-        return readString(0);
-    }
-
-    /**
-     * Get client view distance.
-     *
-     * @return View Distance
-     */
-    public int getViewDistance() {
-        return readInt(0);
-    }
-
-    /**
-     * Get Chat Visibility
-     *
-     * @return Chat Visibility
-     */
-    public ChatVisibility getChatVisibility() {
-        if (chatVisibilityEnumObj == null) {
-            chatVisibilityEnumObj = readObject(0, chatVisibilityEnumClass);
-        }
-        String enumValueAsString = chatVisibilityEnumObj.toString();
-        if (enumValueAsString.equals("FULL")) {
-            return ChatVisibility.ENABLED;
-        } else if (enumValueAsString.equals("SYSTEM")) {
-            return ChatVisibility.COMMANDS_ONLY;
-        } else {
-            return ChatVisibility.HIDDEN;
-        }
-    }
-
-    /**
-     * Is chat colors
-     *
-     * @return Chat Colors
-     */
-    public boolean isChatColors() {
-        return readBoolean(0);
-    }
-
-    /**
-     * Get Displayed skin parts.
-     * <p>
-     * It is possible for some keys to not exist.
-     * If that is the case, the server version is 1.7.10.
-     * 1.7.10 only sends the cape skin part.
-     *
-     * @return A map with a Skin Parts as a key, and a boolean as a value.
-     */
-    @Nullable
-    public HashMap<DisplayedSkinPart, Boolean> getDisplayedSkinPartsMap() {
-        if (displayedSkinParts.isEmpty()) {
-            if (isLowerThan_v_1_8) {
-                //in 1.7.10 only the cape display skin part is sent
-                boolean capeEnabled = readBoolean(1);
-                displayedSkinParts.put(DisplayedSkinPart.CAPE, capeEnabled);
-            } else {
-                //in 1.8, all the skin parts are sent
-                int skinPartFlags = readInt(1);
-                displayedSkinParts.put(DisplayedSkinPart.CAPE, (skinPartFlags & 0x01) != 0);
-                displayedSkinParts.put(DisplayedSkinPart.JACKET, (skinPartFlags & 0x02) != 0);
-                displayedSkinParts.put(DisplayedSkinPart.LEFT_SLEEVE, (skinPartFlags & 0x04) != 0);
-                displayedSkinParts.put(DisplayedSkinPart.RIGHT_SLEEVE, (skinPartFlags & 0x08) != 0);
-                displayedSkinParts.put(DisplayedSkinPart.LEFT_PANTS, (skinPartFlags & 0x10) != 0);
-                displayedSkinParts.put(DisplayedSkinPart.RIGHT_PANTS, (skinPartFlags & 0x20) != 0);
-                displayedSkinParts.put(DisplayedSkinPart.HAT, (skinPartFlags & 0x40) != 0);
-            }
-        }
-        return displayedSkinParts;
-    }
-
-    /**
-     * Is the skin part enabled.
-     * <p>
-     * On 1.7.10, some skin parts will default to 'false' as 1.7.10
-     * only sends the 'cape' skin part.
-     *
-     * @param part The skin part to check the status of.
-     * @return Is the skin part enabled
-     */
-    public boolean isDisplaySkinPartEnabled(DisplayedSkinPart part) {
-        if(displayedSkinParts.isEmpty()) {
-            displayedSkinParts = getDisplayedSkinPartsMap();
-        }
-        //1.7.10, we will default the other skin parts to return false.
-        if (!displayedSkinParts.containsKey(part)) {
-            return false;
-        }
-        return displayedSkinParts.get(part);
-    }
-
-    /**
-     * Enum for the client chat visibility setting
-     */
-    public enum ChatVisibility {
-        ENABLED, COMMANDS_ONLY, HIDDEN
-    }
-
-    /**
-     * Enum for the client displayed skin parts settings
-     */
-    public enum DisplayedSkinPart {
-        CAPE, JACKET, LEFT_SLEEVE, RIGHT_SLEEVE, LEFT_PANTS, RIGHT_PANTS, HAT
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/updatesign/WrappedPacketInUpdateSign.java

@@ -1,118 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.updatesign;
-
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.packetwrappers.out.chat.WrappedPacketOutChat;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.reflection.Reflection;
-
-public class WrappedPacketInUpdateSign extends WrappedPacket {
-    private static boolean v_1_7_mode, strArrayMode;
-    private static Class<?> blockPosClass, iChatBaseComponentClass;
-
-    private Object blockPosObj;
-
-    public static void load() {
-        v_1_7_mode = Reflection.getField(PacketTypeClasses.Client.UPDATE_SIGN, int.class, 0) != null;
-        strArrayMode = Reflection.getField(PacketTypeClasses.Client.UPDATE_SIGN, String[].class, 0) != null;
-
-        try {
-            blockPosClass = NMSUtils.getNMSClass("BlockPosition");
-        } catch (ClassNotFoundException e) {
-            if (!v_1_7_mode) {
-                e.printStackTrace();
-            }
-        }
-        try {
-            iChatBaseComponentClass = NMSUtils.getNMSClass("IChatBaseComponent");
-        } catch (ClassNotFoundException e) {
-            e.printStackTrace();
-        }
-    }
-
-    public WrappedPacketInUpdateSign(Object packet) {
-        super(packet);
-    }
-
-    public int getX() {
-        if(v_1_7_mode) {
-            return readInt(0);
-        }
-        else {
-            if(blockPosObj == null) {
-                blockPosObj = readObject(0, blockPosClass);
-                WrappedPacket blockPosWrapper = new WrappedPacket(blockPosObj);
-                return blockPosWrapper.readInt(0);
-            }
-        }
-        return 0;
-    }
-
-    public int getY() {
-        if(v_1_7_mode) {
-            return readInt(1);
-        }
-        else {
-            if(blockPosObj == null) {
-                blockPosObj = readObject(0, blockPosClass);
-                WrappedPacket blockPosWrapper = new WrappedPacket(blockPosObj);
-                return blockPosWrapper.readInt(1);
-            }
-        }
-        return 0;
-    }
-
-    public int getZ() {
-        if(v_1_7_mode) {
-            return readInt(2);
-        }
-        else {
-            if(blockPosObj == null) {
-                blockPosObj = readObject(0, blockPosClass);
-                WrappedPacket blockPosWrapper = new WrappedPacket(blockPosObj);
-                return blockPosWrapper.readInt(2);
-            }
-        }
-        return 0;
-    }
-
-    public String[] getTextLines() {
-        if (strArrayMode) {
-            //1.7.10 and the newest versions use this
-            return readStringArray(0);
-        } else {
-            //1.8 uses this for example
-            Object[] iChatComponents = readObjectArray(0, iChatBaseComponentClass);
-            String[] lines = new String[iChatComponents.length];
-            for (int i = 0; i < iChatComponents.length; i++) {
-                lines[i] = WrappedPacketOutChat.
-                        toStringFromIChatBaseComponent(iChatComponents[i]);
-            }
-            return lines;
-        }
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/in/useentity/WrappedPacketInUseEntity.java

@@ -1,93 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.in.useentity;
-
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
-import org.bukkit.entity.Entity;
-
-public final class WrappedPacketInUseEntity extends WrappedPacket {
-    private static Class<?> enumEntityUseActionClass;
-    private Entity entity;
-    private int entityID = -1;
-    public WrappedPacketInUseEntity(final Object packet) {
-        super(packet);
-    }
-
-    public static void load() {
-        //System.out.println("USE ENTITY HAS BEEN LOADED BROOOIOII");
-        Class<?> useEntityClass = NMSUtils.getNMSClassWithoutException("PacketPlayInUseEntity");
-        /*if(useEntityClass == null) {
-            System.out.println("failed to init use entity wtfffff");
-        }*/
-        try {
-            enumEntityUseActionClass = NMSUtils.getNMSClass("EnumEntityUseAction");
-        } catch (ClassNotFoundException e) {
-            //That is fine, it is probably a subclass
-            enumEntityUseActionClass = SubclassUtil.getSubClass(useEntityClass, "EnumEntityUseAction");
-        }
-    }
-
-
-    /**
-     * Lookup the associated entity by the ID that was sent in the packet.
-     * @return Entity
-     */
-    public Entity getEntity() {
-        if(entity != null) {
-            return entity;
-        }
-        return entity = NMSUtils.getEntityById(getEntityID());
-    }
-
-    /**
-     * Get the ID of the entity.
-     * If you do not want to use {@link #getEntity()},
-     * you lookup the entity by yourself with this entity ID.
-     * @return Entity ID
-     */
-    public int getEntityID() {
-        if(entityID != -1) {
-            return entityID;
-        }
-        else {
-            return entityID = readInt(0);
-        }
-    }
-
-    /**
-     * Get the associated action.
-     * @return Get EntityUseAction
-     */
-    public EntityUseAction getAction() {
-        final Object useActionEnum = readObject(0, enumEntityUseActionClass);
-        return EntityUseAction.valueOf(useActionEnum.toString());
-    }
-
-    public enum EntityUseAction {
-        INTERACT, INTERACT_AT, ATTACK, INVALID
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/in/custompayload/WrappedPacketLoginInCustomPayload.java

@@ -0,0 +1,75 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.in.custompayload;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+
+public class WrappedPacketLoginInCustomPayload extends WrappedPacket {
+    public WrappedPacketLoginInCustomPayload(NMSPacket packet) {
+        super(packet);
+    }
+
+    public int getMessageId() {
+        return readInt(0);
+    }
+
+    public void setMessageId(int id) {
+        writeInt(0, id);
+    }
+
+    public byte[] getData() {
+        return PacketEvents.get().getByteBufUtil().getBytes(getBuffer());
+    }
+
+    public void setData(byte[] data) {
+        Object dataSerializer = readObject(0, NMSUtils.packetDataSerializerClass);
+        WrappedPacket dataSerializerWrapper = new WrappedPacket(new NMSPacket(dataSerializer));
+        PacketEvents.get().getByteBufUtil().setBytes(getBuffer(), data);
+    }
+
+    private Object getBuffer() {
+        Object dataSerializer = readObject(0, NMSUtils.packetDataSerializerClass);
+        WrappedPacket byteBufWrapper = new WrappedPacket(new NMSPacket(dataSerializer));
+        return byteBufWrapper.readObject(0, NMSUtils.byteBufClass);
+    }
+
+    public void retain() {
+        PacketEvents.get().getByteBufUtil().retain(getBuffer());
+    }
+
+    public void release() {
+        PacketEvents.get().getByteBufUtil().release(getBuffer());
+    }
+
+    @Override
+    public boolean isSupported() {
+        return version.isNewerThan(ServerVersion.v_1_12_2);
+    }
+}
+

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/in/encryptionbegin/WrappedPacketLoginInEncryptionBegin.java

@@ -0,0 +1,56 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.in.encryptionbegin;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+
+public class WrappedPacketLoginInEncryptionBegin extends WrappedPacket {
+    public WrappedPacketLoginInEncryptionBegin(NMSPacket packet) {
+        super(packet);
+    }
+
+    public byte[] getPublicKey() {
+        return readByteArray(0);
+    }
+
+    public void setPublicKey(byte[] key) {
+        writeByteArray(0, key);
+    }
+
+    public byte[] getVerifyToken() {
+        return readByteArray(1);
+    }
+
+    public void setVerifyToken(byte[] token) {
+        writeByteArray(1, token);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return PacketTypeClasses.Login.Client.ENCRYPTION_BEGIN != null;
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/in/start/WrappedPacketLoginInStart.java

@@ -0,0 +1,52 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.in.start;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.gameprofile.GameProfileUtil;
+import io.github.retrooper.packetevents.utils.gameprofile.WrappedGameProfile;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+
+public class WrappedPacketLoginInStart extends WrappedPacket {
+    public WrappedPacketLoginInStart(NMSPacket packet) {
+        super(packet);
+    }
+
+    public WrappedGameProfile getGameProfile() {
+        return GameProfileUtil.getWrappedGameProfile(readObject(0, NMSUtils.gameProfileClass));
+    }
+
+    public void setGameProfile(WrappedGameProfile wrappedGameProfile) {
+        Object gameProfile = GameProfileUtil.getGameProfile(wrappedGameProfile.getId(), wrappedGameProfile.getName());
+        write(NMSUtils.gameProfileClass, 0, gameProfile);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return PacketTypeClasses.Login.Client.START != null;
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/out/custompayload/WrappedPacketLoginOutCustomPayload.java

@@ -0,0 +1,142 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.out.custompayload;
+
+import io.github.retrooper.packetevents.PacketEvents;
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.SendableWrapper;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+public class WrappedPacketLoginOutCustomPayload extends WrappedPacket implements SendableWrapper {
+    private static Constructor<?> constructor;
+    private static Constructor<?> packetDataSerializerConstructor;
+    private int messageID;
+    private String channelName;
+    private byte[] data;
+
+    public WrappedPacketLoginOutCustomPayload(NMSPacket packet) {
+        super(packet);
+    }
+
+    @Override
+    protected void load() {
+        Class<?> packetClass = PacketTypeClasses.Login.Server.CUSTOM_PAYLOAD;
+        if (packetClass != null) {
+            try {
+                if (NMSUtils.packetDataSerializerClass != null) {
+                    packetDataSerializerConstructor = NMSUtils.packetDataSerializerClass.getConstructor(NMSUtils.byteBufClass);
+                }
+            } catch (NoSuchMethodException e) {
+                e.printStackTrace();
+            }
+
+            try {
+                constructor = packetClass.getConstructor();
+            } catch (NoSuchMethodException e3) {
+                throw new IllegalStateException("PacketEvents is unable to resolve the PacketPlayOutCustomPayload constructor.");
+            }
+        }
+    }
+
+    public int getMessageId() {
+        if (packet != null) {
+            return readInt(0);
+        }
+        return messageID;
+    }
+
+    public void setMessageId(int messageID) {
+        if (packet != null) {
+            writeInt(0, messageID);
+        } else {
+            this.messageID = messageID;
+        }
+    }
+
+    public String getChannelName() {
+        if (packet != null) {
+            Object minecraftKey = readObject(0, NMSUtils.minecraftKeyClass);
+            return NMSUtils.getStringFromMinecraftKey(minecraftKey);
+        }
+        return channelName;
+    }
+
+    public void setChannelName(String channelName) {
+        if (packet != null) {
+            Object minecraftKey = NMSUtils.generateMinecraftKey(channelName);
+            writeObject(0, minecraftKey);
+        } else {
+            this.channelName = channelName;
+        }
+    }
+
+    public byte[] getData() {
+        if (packet != null) {
+            Object dataSerializer = readObject(0, NMSUtils.packetDataSerializerClass);
+            WrappedPacket byteBufWrapper = new WrappedPacket(new NMSPacket(dataSerializer));
+            Object byteBuf = byteBufWrapper.readObject(0, NMSUtils.byteBufClass);
+            return PacketEvents.get().getByteBufUtil().getBytes(byteBuf);
+        }
+        return data;
+    }
+
+    public void setData(byte[] data) {
+        PacketEvents.get().getByteBufUtil().setBytes(getBuffer(), data);
+    }
+
+    private Object getBuffer() {
+        Object dataSerializer = readObject(0, NMSUtils.packetDataSerializerClass);
+        WrappedPacket byteBufWrapper = new WrappedPacket(new NMSPacket(dataSerializer));
+        return byteBufWrapper.readObject(0, NMSUtils.byteBufClass);
+    }
+
+    @Override
+    public Object asNMSPacket() {
+        Object byteBufObject = PacketEvents.get().getByteBufUtil().newByteBuf(data);
+        try {
+            Object minecraftKey = NMSUtils.generateMinecraftKey(channelName);
+            Object dataSerializer = packetDataSerializerConstructor.newInstance(byteBufObject);
+            Object packetInstance = constructor.newInstance();
+            WrappedPacket packetWrapper = new WrappedPacket(new NMSPacket(packetInstance));
+            packetWrapper.writeInt(0, messageID);
+            packetWrapper.writeObject(0, minecraftKey);
+            packetWrapper.writeObject(0, dataSerializer);
+            return packetInstance;
+        } catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Override
+    public boolean isSupported() {
+        return PacketTypeClasses.Login.Server.CUSTOM_PAYLOAD != null;
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/out/disconnect/WrappedPacketLoginOutDisconnect.java

@@ -0,0 +1,51 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.out.disconnect;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+
+public class WrappedPacketLoginOutDisconnect extends WrappedPacket {
+    public WrappedPacketLoginOutDisconnect(NMSPacket packet) {
+        super(packet);
+    }
+
+    public String getReason() {
+        Object iChatBaseComponent = readObject(0, NMSUtils.iChatBaseComponentClass);
+        return NMSUtils.readIChatBaseComponent(iChatBaseComponent);
+    }
+
+    public void setReason(String reason) {
+        Object iChatBaseComponent = NMSUtils.generateIChatBaseComponent(reason);
+        writeObject(0, iChatBaseComponent);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return PacketTypeClasses.Login.Server.DISCONNECT != null;
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/out/encryptionbegin/WrappedPacketLoginOutEncryptionBegin.java

@@ -0,0 +1,66 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.out.encryptionbegin;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+
+import java.security.PublicKey;
+
+public class WrappedPacketLoginOutEncryptionBegin extends WrappedPacket {
+    public WrappedPacketLoginOutEncryptionBegin(NMSPacket packet) {
+        super(packet);
+    }
+
+    public String getEncodedString() {
+        return readString(0);
+    }
+
+    public void setEncodedString(String encodedString) {
+        writeString(0, encodedString);
+    }
+
+    public PublicKey getPublicKey() {
+        return readObject(1, PublicKey.class);
+    }
+
+    public void setPublicKey(PublicKey key) {
+        writeObject(0, key);
+    }
+
+    public byte[] getVerifyToken() {
+        return readByteArray(0);
+    }
+
+    public void setVerifyToken(byte[] verifyToken) {
+        writeByteArray(0, verifyToken);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return PacketTypeClasses.Login.Server.ENCRYPTION_BEGIN != null;
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/out/setcompression/WrappedPacketLoginOutSetCompression.java

@@ -0,0 +1,94 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.out.setcompression;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.SendableWrapper;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+//This packet does not exist on 1.7.10
+public class WrappedPacketLoginOutSetCompression extends WrappedPacket implements SendableWrapper {
+    private static Constructor<?> constructor;
+    private int threshold;
+
+    public WrappedPacketLoginOutSetCompression(NMSPacket packet) {
+        super(packet);
+    }
+
+    public WrappedPacketLoginOutSetCompression(int threshold) {
+        this.threshold = threshold;
+    }
+
+    @Override
+    protected void load() {
+        try {
+            if (PacketTypeClasses.Login.Server.SET_COMPRESSION != null) {
+                constructor = PacketTypeClasses.Login.Server.SET_COMPRESSION.getConstructor(int.class);
+            }
+        } catch (NoSuchMethodException e) {
+            //probably 1.7.10
+        }
+    }
+
+    /**
+     * Maximum size of a packet before it can be compressed.
+     *
+     * @return threshold Threshold
+     */
+    public int getThreshold() {
+        if (packet != null) {
+            return readInt(0);
+        }
+        return threshold;
+    }
+
+    public void setThreshold(int threshold) {
+        if (packet != null) {
+            writeInt(0, threshold);
+        } else {
+            this.threshold = threshold;
+        }
+    }
+
+    @Override
+    public Object asNMSPacket() {
+        try {
+            return constructor.newInstance(getThreshold());
+        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Override
+    public boolean isSupported() {
+        return version.isNewerThan(ServerVersion.v_1_7_10);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/login/out/success/WrappedPacketLoginOutSuccess.java

@@ -0,0 +1,53 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.login.out.success;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.gameprofile.GameProfileUtil;
+import io.github.retrooper.packetevents.utils.gameprofile.WrappedGameProfile;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+
+public class WrappedPacketLoginOutSuccess extends WrappedPacket {
+    public WrappedPacketLoginOutSuccess(NMSPacket packet) {
+        super(packet);
+    }
+
+    public WrappedGameProfile getGameProfile() {
+        return GameProfileUtil.getWrappedGameProfile(readObject(0, NMSUtils.gameProfileClass));
+    }
+
+
+    public void setGameProfile(WrappedGameProfile wrappedGameProfile) {
+        Object gameProfile = GameProfileUtil.getGameProfile(wrappedGameProfile.getId(), wrappedGameProfile.getName());
+        write(NMSUtils.gameProfileClass, 0, gameProfile);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return PacketTypeClasses.Login.Server.SUCCESS != null;
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/out/abilities/WrappedPacketOutAbilities.java

@@ -1,154 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.out.abilities;
-
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.SendableWrapper;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-
-public final class WrappedPacketOutAbilities extends WrappedPacket implements SendableWrapper {
-    private static Class<?> packetClass;
-    private static Constructor<?> packetConstructor;
-    private boolean isListening = false;
-    private boolean vulnerable, flying, allowFlight, instantBuild;
-    private float flySpeed, walkSpeed;
-
-    public WrappedPacketOutAbilities(final Object packet) {
-        super(packet);
-        isListening = true;
-    }
-
-    public WrappedPacketOutAbilities(final boolean isVulnerable, final boolean isFlying, final boolean allowFlight, final boolean canBuildInstantly,
-                                     final float flySpeed, final float walkSpeed) {
-        super();
-        this.vulnerable = isVulnerable;
-        this.flying = isFlying;
-        this.allowFlight = allowFlight;
-        this.instantBuild = canBuildInstantly;
-        this.flySpeed = flySpeed;
-        this.walkSpeed = walkSpeed;
-    }
-
-    public static void load() {
-        packetClass = PacketTypeClasses.Server.ABILITIES;
-
-        try {
-            packetConstructor = packetClass.getConstructor(PlayerAbilitiesUtils.playerAbilitiesClass);
-        } catch (NoSuchMethodException e) {
-            e.printStackTrace();
-        }
-    }
-
-    /**
-     * Should the client be vulnerable?
-     *
-     * @return Is Vulnerable
-     */
-    public boolean isVulnerable() {
-        if (isListening) {
-            return readBoolean(0);
-        } else {
-            return vulnerable;
-        }
-    }
-
-    /**
-     * Should the client be flying?
-     *
-     * @return Is Flying
-     */
-    public boolean isFlying() {
-        if (isListening) {
-            return readBoolean(1);
-        } else {
-            return flying;
-        }
-    }
-
-    /**
-     * Should the client be allowed to fly?
-     *
-     * @return Is Allowed To Fly
-     */
-    public boolean isFlightAllowed() {
-        if (isListening) {
-            return readBoolean(2);
-        } else {
-            return allowFlight;
-        }
-    }
-
-    /**
-     * Should the client be able to build instantly?
-     *
-     * @return Is Allowed To Build Instantly
-     */
-    public boolean canInstantlyBuild() {
-        if (isListening) {
-            return readBoolean(3);
-        } else {
-            return instantBuild;
-        }
-    }
-
-    /**
-     * Get the client's defined fly speed.
-     *
-     * @return Get Fly Speed
-     */
-    public float getFlySpeed() {
-        if (isListening) {
-            return readFloat(0);
-        } else {
-            return flySpeed;
-        }
-    }
-
-    /**
-     * Get the client's defined walk speed.
-     *
-     * @return Get Walk Speed
-     */
-    public float getWalkSpeed() {
-        if (isListening) {
-            return readFloat(1);
-        } else {
-            return walkSpeed;
-        }
-    }
-
-    @Override
-    public Object asNMSPacket() {
-        try {
-            return packetConstructor.newInstance(PlayerAbilitiesUtils.getPlayerAbilities(vulnerable, flying, allowFlight, instantBuild, flySpeed, walkSpeed));
-        } catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/out/entity/WrappedPacketOutEntity.java

@@ -1,203 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.out.entity;
-
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.nms.NMSUtils;
-import io.github.retrooper.packetevents.utils.reflection.Reflection;
-import org.bukkit.entity.Entity;
-
-import java.lang.reflect.Field;
-
-public class WrappedPacketOutEntity extends WrappedPacket {
-    private static Class<?> packetClass;
-    private int entityID = -1;
-    //Byte = 1.7.10->1.8.8, Int = 1.9->1.15.x, Short = 1.16.x
-    private static byte mode = 0; //byte = 0, int = 1, short = 2
-    private static double dXYZDivisor = 0.0;
-    private static int yawByteIndex = 0;
-    private static int pitchByteIndex = 1;
-    private Entity entity;
-    private boolean isListening = false;
-
-    public WrappedPacketOutEntity(Object packet) {
-        super(packet);
-        isListening = true;
-    }
-
-    public static void load() {
-        packetClass = PacketTypeClasses.Server.ENTITY;
-
-        Field dxField = Reflection.getField(packetClass, 1);
-        assert dxField != null;
-        if (dxField.equals(Reflection.getField(packetClass, byte.class, 0))) {
-            mode = 0;
-            yawByteIndex = 3;
-            pitchByteIndex = 4;
-        } else if (dxField.equals(Reflection.getField(packetClass, int.class, 1))) {
-            mode = 1;
-        } else if (dxField.equals(Reflection.getField(packetClass, short.class, 0))) {
-            mode = 2;
-        }
-
-        if (mode == 0) {
-            dXYZDivisor = 32.0;
-        } else {
-            dXYZDivisor = 4096.0;
-        }
-
-    }
-
-    /**
-     * Get the pitch.
-     *
-     * @return Get Byte Pitch
-     */
-    public byte getPitch() {
-        if (isListening) {
-            return readByte(pitchByteIndex);
-        } else {
-            return 0;
-        }
-    }
-
-    /**
-     * Get the Yaw.
-     *
-     * @return Get Byte Yaw
-     */
-    public byte getYaw() {
-        if (isListening) {
-            return readByte(yawByteIndex);
-        } else {
-            return 0;
-        }
-    }
-
-    /**
-     * Get the Delta X
-     *
-     * @return Delta X
-     */
-    public double getDeltaX() {
-        if (isListening) {
-            switch (mode) {
-                case 0:
-                    return readByte(0) / dXYZDivisor;
-                case 1:
-                    return readInt(1) / dXYZDivisor;
-                case 2:
-                    return readShort(0) / dXYZDivisor;
-            }
-        } else {
-
-        }
-        return 0.0;
-    }
-
-    /**
-     * Get the Delta Y
-     *
-     * @return Delta Y
-     */
-    public double getDeltaY() {
-        if (isListening) {
-            switch (mode) {
-                case 0:
-                    return readByte(1) / dXYZDivisor;
-                case 1:
-                    return readInt(2) / dXYZDivisor;
-                case 2:
-                    return readShort(1) / dXYZDivisor;
-            }
-        } else {
-
-        }
-        return 0.0;
-    }
-
-    /**
-     * Get the Delta Z
-     *
-     * @return Delta Z
-     */
-    public double getDeltaZ() {
-        if (isListening) {
-            switch (mode) {
-                case 0:
-                    return readByte(2) / dXYZDivisor;
-                case 1:
-                    return readInt(3) / dXYZDivisor;
-                case 2:
-                    return readShort(2) / dXYZDivisor;
-            }
-        } else {
-
-        }
-        return 0.0;
-    }
-
-    /**
-     * Lookup the associated entity by the ID that was sent in the packet.
-     *
-     * @return Entity
-     */
-    public Entity getEntity() {
-        if (entity != null) {
-            return entity;
-        }
-        return entity = NMSUtils.getEntityById(getEntityID());
-    }
-
-    /**
-     * Get the ID of the entity.
-     * If you do not want to use {@link #getEntity()},
-     * you lookup the entity by yourself with this entity ID.
-     *
-     * @return Entity ID
-     */
-    public int getEntityID() {
-        if (entityID != -1) {
-            return entityID;
-        } else {
-            return entityID = readInt(0);
-        }
-    }
-
-    /**
-     * Is the entity on the ground?
-     *
-     * @return On Ground
-     */
-    public boolean isOnGround() {
-        if (isListening) {
-            return readBoolean(0);
-        } else {
-
-        }
-        return false;
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/out/playerinfo/WrappedPacketOutPlayerInfo.java

@@ -1,117 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.out.playerinfo;
-
-import io.github.retrooper.packetevents.packetwrappers.SendableWrapper;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import org.bukkit.GameMode;
-
-import java.util.ArrayList;
-import java.util.List;
-
-class WrappedPacketOutPlayerInfo extends WrappedPacket implements SendableWrapper {
-//TODO load this wrapper
-    private boolean isListening = false;
-    private PlayerInfoAction action;
-    private List<PlayerInfoData> playerInfoDataList = new ArrayList<>();
-
-    private static byte mode = 0; //0 = 1.7.10
-
-    public static void load() {
-
-    }
-
-    public WrappedPacketOutPlayerInfo(Object packet) {
-        super(packet);
-        isListening = true;
-    }
-
-    public WrappedPacketOutPlayerInfo(PlayerInfoAction action, Object gameProfile,
-                                      int ping, GameMode gameMode, String displayName) {
-        this.action = action;
-        playerInfoDataList.add(new PlayerInfoData(gameProfile, ping, gameMode, displayName));
-    }
-
-    @Override
-    protected void setup() {
-        switch (mode) {
-            case 0:
-                int actionInteger= readInt(0);
-                break;
-            case 1:
-                break;
-            case 2:
-                break;
-        }
-    }
-
-    @Override
-    public Object asNMSPacket() {
-        return null;
-    }
-
-    public PlayerInfoAction getAction() {
-        return action;
-    }
-
-    public List<PlayerInfoData> getPlayerInfoData() {
-        return playerInfoDataList;
-    }
-
-    public enum PlayerInfoAction {
-        ADD_PLAYER, UPDATE_GAME_MODE, UPDATE_LATENCY, UPDATE_DISPLAY_NAME, REMOVE_PLAYER;
-    }
-
-    public class PlayerInfoData {
-        private final int ping;
-        private final GameMode gameMode;
-        private final Object gameProfile;
-        private final String displayName;
-
-        public PlayerInfoData(Object gameProfile, int ping,
-                              GameMode gameMode, String displayName) {
-            this.ping = ping;
-            this.gameMode = gameMode;
-            this.gameProfile = gameProfile;
-            this.displayName = displayName;
-        }
-
-        public int getPing() {
-            return ping;
-        }
-
-        public GameMode getGameMode() {
-            return gameMode;
-        }
-
-        public Object getGameProfile() {
-            return gameProfile;
-        }
-
-        public String getDisplayName() {
-            return displayName;
-        }
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/out/position/WrappedPacketOutPosition.java

@@ -1,124 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2020 retrooper
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package io.github.retrooper.packetevents.packetwrappers.out.position;
-
-import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
-import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-
-public final class WrappedPacketOutPosition extends WrappedPacket {
-    private static Class<?> packetClass;
-    private double x;
-    private double y;
-    private double z;
-    private float yaw;
-    private float pitch;
-
-    private boolean isListening = false;
-
-    public WrappedPacketOutPosition(Object packet) {
-        super(packet);
-        isListening = true;
-    }
-
-    public static void load() {
-        packetClass = PacketTypeClasses.Server.POSITION;
-    }
-
-    @Override
-    protected void setup() {
-        //TODO boolean onGround and flags
-        this.x = readDouble(0);
-        this.y = readDouble(1);
-        this.z = readDouble(2);
-
-        this.yaw = readFloat(0);
-        this.pitch = readFloat(1);
-    }
-
-    /**
-     * Get the X position.
-     * @return Get X Position
-     */
-    public double getX() {
-        if(isListening) {
-            return readDouble(0);
-        }
-        else {
-            return x;
-        }
-    }
-
-    /**
-     * Get the Y position.
-     * @return Get Y Position
-     */
-    public double getY() {
-        if(isListening) {
-            return readDouble(1);
-        }
-        else {
-            return y;
-        }
-    }
-
-    /**
-     * Get the Z position.
-     * @return Get Z Position
-     */
-    public double getZ() {
-        if(isListening) {
-            return readDouble(2);
-        }
-        else {
-            return z;
-        }
-    }
-
-    /**
-     * Get the Yaw.
-     * @return Get Yaw
-     */
-    public float getYaw() {
-        if(isListening) {
-            return readFloat(0);
-        }
-        else {
-            return yaw;
-        }
-    }
-
-    /**
-     * Get the Pitch,
-     * @return Get Pitch
-     */
-    public float getPitch() {
-        if(isListening) {
-            return readFloat(1);
-        }
-        else {
-            return pitch;
-        }
-    }
-}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/abilities/WrappedPacketInAbilities.java

@@ -0,0 +1,167 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.abilities;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.reflection.Reflection;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+
+public final class WrappedPacketInAbilities extends WrappedPacket {
+    private static boolean v_1_16_Mode;
+
+    public WrappedPacketInAbilities(NMSPacket packet) {
+        super(packet);
+    }
+
+    @Override
+    protected void load() {
+        v_1_16_Mode = Reflection.getField(PacketTypeClasses.Play.Client.ABILITIES, boolean.class, 1) == null;
+    }
+
+    public boolean isFlying() {
+        return readBoolean(v_1_16_Mode ? 0 : 1);
+    }
+
+    public void setFlying(boolean flying) {
+        writeBoolean(v_1_16_Mode ? 0 : 1, flying);
+    }
+
+    /**
+     * This will return null if the server version is not available in 1.16.x and above
+     *
+     * @return Whether the player is vulnerable to damage or not.
+     */
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public boolean isVulnerable() throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        return readBoolean(0);
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public void setVulnerable(boolean vulnerable) throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        writeBoolean(0, vulnerable);
+    }
+
+    /**
+     * This will return null if the server version is not available in 1.16.x and above
+     *
+     * @return Whether or not the player can fly.
+     */
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public boolean isFlightAllowed() throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        return readBoolean(2);
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public void setFlightAllowed(boolean flightAllowed) throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        writeBoolean(2, flightAllowed);
+    }
+
+    /**
+     * This will return null if the server version is not available in 1.16.x and above
+     *
+     * @return Whether or not the player can break blocks instantly.
+     */
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public boolean canInstantlyBuild() throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        return readBoolean(3);
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public void setCanInstantlyBuild(boolean canInstantlyBuild) throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        writeBoolean(3, canInstantlyBuild);
+    }
+
+    /**
+     * This will return null if the server version is not available in 1.16.x and above
+     *
+     * @return The speed at which the player can fly, as a float.
+     */
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public float getFlySpeed() throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        return readFloat(0);
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public void setFlySpeed(float flySpeed) throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        writeFloat(0, flySpeed);
+    }
+
+    /**
+     * This will return null if the server version is not available in 1.16.x and above
+     *
+     * @return The speed at which the player can walk, as a float.
+     */
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public float getWalkSpeed() throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        return readFloat(1);
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+    @Deprecated
+    public void setWalkSpeed(float walkSpeed) throws UnsupportedOperationException {
+        if (v_1_16_Mode) {
+            throwUnsupportedOperation();
+        }
+        writeFloat(1, walkSpeed);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/beacon/WrappedPacketInBeacon.java

@@ -0,0 +1,26 @@
+package io.github.retrooper.packetevents.packetwrappers.play.in.beacon;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+
+public class WrappedPacketInBeacon extends WrappedPacket {
+    public WrappedPacketInBeacon(NMSPacket packet) {
+        super(packet);
+    }
+
+    public int getPrimaryEffect() {
+        return readInt(0);
+    }
+
+    public void setPrimaryEffect(int primaryEffect) {
+        writeInt(0, primaryEffect);
+    }
+
+    public int getSecondaryEffect() {
+        return readInt(1);
+    }
+
+    public void setSecondaryEffect(int secondaryEffect) {
+        writeInt(1, secondaryEffect);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/blockdig/WrappedPacketInBlockDig.java

@@ -0,0 +1,156 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.blockdig;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.enums.EnumUtil;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.github.retrooper.packetevents.utils.player.Direction;
+import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+import io.github.retrooper.packetevents.utils.vector.Vector3i;
+
+import java.lang.reflect.InvocationTargetException;
+
+public final class WrappedPacketInBlockDig extends WrappedPacket {
+    private static Class<? extends Enum<?>> digTypeClass;
+    private static boolean isVersionLowerThan_v_1_8;
+
+    public WrappedPacketInBlockDig(NMSPacket packet) {
+        super(packet);
+    }
+
+    @Override
+    protected void load() {
+        Class<?> blockDigClass = PacketTypeClasses.Play.Client.BLOCK_DIG;
+        isVersionLowerThan_v_1_8 = version.isOlderThan(ServerVersion.v_1_8);
+
+        if (version != ServerVersion.v_1_7_10) {
+            try {
+                digTypeClass = NMSUtils.getNMSEnumClass("EnumPlayerDigType");
+            } catch (ClassNotFoundException e) {
+                //It is probably a subclass
+                digTypeClass = SubclassUtil.getEnumSubClass(blockDigClass, "EnumPlayerDigType");
+            }
+        }
+    }
+
+    public Vector3i getBlockPosition() {
+        int x = 0;
+        int y = 0;
+        int z = 0;
+        if (isVersionLowerThan_v_1_8) {
+            x = readInt(0);
+            y = readInt(1);
+            z = readInt(2);
+        } else {
+            Object blockPosObj = readObject(0, NMSUtils.blockPosClass);
+            try {
+                x = (int) NMSUtils.getBlockPosX.invoke(blockPosObj);
+                y = (int) NMSUtils.getBlockPosY.invoke(blockPosObj);
+                z = (int) NMSUtils.getBlockPosZ.invoke(blockPosObj);
+            } catch (IllegalAccessException | InvocationTargetException e) {
+                e.printStackTrace();
+            }
+        }
+        return new Vector3i(x, y, z);
+    }
+
+    public void setBlockPosition(Vector3i blockPos) {
+        if (isVersionLowerThan_v_1_8) {
+            writeInt(0, blockPos.x);
+            writeInt(1, blockPos.y);
+            writeInt(2, blockPos.z);
+        } else {
+            Object blockPosObj = NMSUtils.generateNMSBlockPos(blockPos.x, blockPos.y, blockPos.z);
+            write(NMSUtils.blockPosClass, 0, blockPosObj);
+        }
+    }
+
+    /**
+     * Get the direction / Get the face.
+     *
+     * @return Direction
+     */
+    public Direction getDirection() {
+        if (isVersionLowerThan_v_1_8) {
+            return Direction.getDirection(readInt(3));
+        } else {
+            Enum<?> enumDir = readEnumConstant(0, NMSUtils.enumDirectionClass);
+            return Direction.valueOf(enumDir.name());
+        }
+    }
+
+    public void setDirection(Direction direction) {
+        if (isVersionLowerThan_v_1_8) {
+            writeInt(3, direction.getFaceValue());
+        } else {
+            Enum<?> enumConst = EnumUtil.valueOf(NMSUtils.enumDirectionClass, direction.name());
+            write(NMSUtils.enumDirectionClass, 0, enumConst);
+        }
+    }
+
+    /**
+     * Get the PlayerDigType enum sent in this packet.
+     *
+     * @return Dig Type
+     */
+    public PlayerDigType getDigType() {
+        if (isVersionLowerThan_v_1_8) {
+            return PlayerDigType.values()[readInt(4)];
+        } else {
+            return PlayerDigType.valueOf(readObject(0, digTypeClass).name());
+        }
+    }
+
+    public void setDigType(PlayerDigType type) {
+        if (isVersionLowerThan_v_1_8) {
+            writeInt(4, type.ordinal());
+        } else {
+            Enum<?> enumConst = EnumUtil.valueOf(digTypeClass, type.name());
+            write(digTypeClass, 0, enumConst);
+        }
+    }
+
+    public enum PlayerDigType {
+        START_DESTROY_BLOCK,
+        ABORT_DESTROY_BLOCK,
+        STOP_DESTROY_BLOCK,
+        DROP_ALL_ITEMS,
+        DROP_ITEM,
+        RELEASE_USE_ITEM,
+
+        /**
+         * Doesn't exist on the newest versions.
+         */
+        @Deprecated
+        SWAP_HELD_ITEMS,
+
+        SWAP_ITEM_WITH_OFFHAND,
+        UNKNOWN
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/blockplace/WrappedPacketInBlockPlace.java

@@ -0,0 +1,172 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.blockplace;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.enums.EnumUtil;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.github.retrooper.packetevents.utils.player.Direction;
+import io.github.retrooper.packetevents.utils.player.Hand;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+import io.github.retrooper.packetevents.utils.vector.Vector3f;
+import io.github.retrooper.packetevents.utils.vector.Vector3i;
+import org.bukkit.inventory.ItemStack;
+
+
+public final class WrappedPacketInBlockPlace extends WrappedPacket {
+    private static boolean newerThan_v_1_8_8, newerThan_v_1_7_10;
+    private static int handEnumIndex;
+
+    public WrappedPacketInBlockPlace(final NMSPacket packet) {
+        super(packet);
+    }
+
+    @Override
+    protected void load() {
+        newerThan_v_1_7_10 = version.isNewerThan(ServerVersion.v_1_7_10);
+        newerThan_v_1_8_8 = version.isNewerThan(ServerVersion.v_1_8_8);
+        try {
+            Object handEnum = readObject(1, NMSUtils.enumHandClass);
+            handEnumIndex = 1;
+        } catch (Exception ex) {
+            handEnumIndex = 0;//Most likely a newer version
+        }
+    }
+
+    public Hand getHand() {
+        if (version.isOlderThan(ServerVersion.v_1_9)) {
+            return Hand.MAIN_HAND;
+        } else {
+            Enum<?> enumConst = read(handEnumIndex, NMSUtils.enumHandClass);
+            return Hand.valueOf(enumConst.name());
+        }
+    }
+
+    public void setHand(Hand hand) {
+        //Optimize to do nothing on legacy versions. The protocol of the legacy versions only support one hand, the main hand.
+        if (version.isNewerThan(ServerVersion.v_1_8_8)) {
+            Enum<?> enumConst = EnumUtil.valueOf(NMSUtils.enumHandClass, hand.name());
+            write(NMSUtils.enumHandClass, handEnumIndex, enumConst);
+        }
+    }
+
+    public Direction getDirection() {
+        if (newerThan_v_1_8_8) {
+            WrappedPacketInBlockPlace_1_9 blockPlace_1_9 = new WrappedPacketInBlockPlace_1_9(new NMSPacket(packet.getRawNMSPacket()));
+            return blockPlace_1_9.getDirection();
+        } else if (newerThan_v_1_7_10) {
+            WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(new NMSPacket(packet.getRawNMSPacket()));
+            return Direction.getDirection(blockPlace_1_8.getFace());
+        } else {
+            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(new NMSPacket(packet.getRawNMSPacket()));
+            return Direction.getDirection(blockPlace_1_7_10.getFace());
+        }
+    }
+
+    public void setDirection(Direction direction) {
+        if (newerThan_v_1_8_8) {
+            WrappedPacketInBlockPlace_1_9 blockPlace_1_9 = new WrappedPacketInBlockPlace_1_9(new NMSPacket(packet.getRawNMSPacket()));
+            blockPlace_1_9.setDirection(direction);
+        } else if (newerThan_v_1_7_10) {
+            WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(new NMSPacket(packet.getRawNMSPacket()));
+            blockPlace_1_8.setFace(direction.getFaceValue());
+        } else {
+            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(new NMSPacket(packet.getRawNMSPacket()));
+            blockPlace_1_7_10.setFace(direction.getFaceValue());
+        }
+    }
+
+    public Vector3i getBlockPosition() {
+        Vector3i blockPos = new Vector3i();
+        if (newerThan_v_1_8_8) {
+            WrappedPacketInBlockPlace_1_9 blockPlace_1_9 = new WrappedPacketInBlockPlace_1_9(packet);
+            blockPos = blockPlace_1_9.getBlockPosition();
+        } else if (newerThan_v_1_7_10) {
+            WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
+            blockPos = blockPlace_1_8.getBlockPosition();
+        } else {
+            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
+            blockPos = blockPlace_1_7_10.getBlockPosition();
+        }
+        return blockPos;
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_8_8})
+    @Deprecated
+    public Vector3f getCursorPosition() throws UnsupportedOperationException {
+        if (newerThan_v_1_8_8) {
+            throwUnsupportedOperation();
+            return Vector3f.INVALID;
+        } else if (newerThan_v_1_7_10) {
+            WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
+            return blockPlace_1_8.getCursorPosition();
+        } else {
+            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
+            return blockPlace_1_7_10.getCursorPosition();
+        }
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_8_8})
+    @Deprecated
+    public void setCursorPosition(Vector3f cursorPos) throws UnsupportedOperationException {
+        if (newerThan_v_1_8_8) {
+            throwUnsupportedOperation();
+        } else if (newerThan_v_1_7_10) {
+            WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
+            blockPlace_1_8.setCursorPosition(cursorPos);
+        } else {
+            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
+            blockPlace_1_7_10.setCursorPosition(cursorPos);
+        }
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_8_8})
+    public ItemStack getItemStack() throws UnsupportedOperationException {
+        if (newerThan_v_1_8_8) {
+            throwUnsupportedOperation();
+            return null;
+        } else if (newerThan_v_1_7_10) {
+            WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
+            return blockPlace_1_8.getItemStack();
+        } else {
+            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
+            return blockPlace_1_7_10.getItemStack();
+        }
+    }
+
+    @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_8_8})
+    public void setItemStack(ItemStack stack) throws UnsupportedOperationException {
+        if (newerThan_v_1_8_8) {
+            throwUnsupportedOperation();
+        } else if (newerThan_v_1_7_10) {
+            WrappedPacketInBlockPlace_1_8 blockPlace_1_8 = new WrappedPacketInBlockPlace_1_8(packet);
+            blockPlace_1_8.setItemStack(stack);
+        } else {
+            WrappedPacketInBlockPlace_1_7_10 blockPlace_1_7_10 = new WrappedPacketInBlockPlace_1_7_10(packet);
+            blockPlace_1_7_10.setItemStack(stack);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/blockplace/WrappedPacketInBlockPlace_1_7_10.java

@@ -0,0 +1,92 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.blockplace;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.vector.Vector3f;
+import io.github.retrooper.packetevents.utils.vector.Vector3i;
+import org.bukkit.inventory.ItemStack;
+
+final class WrappedPacketInBlockPlace_1_7_10 extends WrappedPacket {
+    private final net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace blockPlace;
+
+    WrappedPacketInBlockPlace_1_7_10(final NMSPacket packet) {
+        super(packet);
+        blockPlace =
+                (net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace) packet.getRawNMSPacket();
+    }
+
+    public Vector3i getBlockPosition() {
+        return new Vector3i(blockPlace.c(), blockPlace.d(), blockPlace.e());
+    }
+
+    public void setBlockPosition(Vector3i blockPos) {
+        Vector3i currentBlockPos = getBlockPosition();
+        if (blockPos.x != currentBlockPos.x) {
+            writeInt(0, blockPos.x);
+        }
+        if (blockPos.y != currentBlockPos.y) {
+            writeInt(1, blockPos.y);
+        }
+        if (blockPos.z != currentBlockPos.z) {
+            writeInt(2, blockPos.z);
+        }
+    }
+
+    public int getFace() {
+        return blockPlace.getFace();
+    }
+
+    public void setFace(int face) {
+        writeInt(3, face);
+    }
+
+    public ItemStack getItemStack() {
+        return org.bukkit.craftbukkit.v1_7_R4.inventory.CraftItemStack.asBukkitCopy(blockPlace.getItemStack());
+    }
+
+    public void setItemStack(ItemStack stack) {
+        Object nmsItemStack = org.bukkit.craftbukkit.v1_7_R4.inventory.CraftItemStack.asNMSCopy(stack);
+        writeObject(0, nmsItemStack);
+    }
+
+    public Vector3f getCursorPosition() {
+        return new Vector3f(blockPlace.h(), blockPlace.i(), blockPlace.j());
+    }
+
+    public void setCursorPosition(Vector3f cursorPos) {
+        Vector3f currentCursorPos = getCursorPosition();
+        if (cursorPos.x != currentCursorPos.x) {
+            writeFloat(0, cursorPos.x);
+        }
+        if (cursorPos.y != currentCursorPos.y) {
+            writeFloat(1, cursorPos.y);
+        }
+        if (cursorPos.z != currentCursorPos.z) {
+            writeFloat(2, cursorPos.z);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/blockplace/WrappedPacketInBlockPlace_1_8.java

@@ -0,0 +1,87 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.blockplace;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.github.retrooper.packetevents.utils.vector.Vector3f;
+import io.github.retrooper.packetevents.utils.vector.Vector3i;
+import org.bukkit.inventory.ItemStack;
+
+import java.lang.reflect.InvocationTargetException;
+
+final class WrappedPacketInBlockPlace_1_8 extends WrappedPacket {
+
+    WrappedPacketInBlockPlace_1_8(final NMSPacket packet) {
+        super(packet);
+    }
+
+    public Vector3i getBlockPosition() {
+        Vector3i blockPos = new Vector3i();
+
+        Object blockPosObj = readObject(1, NMSUtils.blockPosClass);
+        try {
+            blockPos.x = (int) NMSUtils.getBlockPosX.invoke(blockPosObj);
+            blockPos.y = (int) NMSUtils.getBlockPosY.invoke(blockPosObj);
+            blockPos.z = (int) NMSUtils.getBlockPosZ.invoke(blockPosObj);
+        } catch (IllegalAccessException | InvocationTargetException e) {
+            e.printStackTrace();
+        }
+        return blockPos;
+    }
+
+    public void setBlockPosition(Vector3i blockPos) {
+        Object blockPosObj = NMSUtils.generateNMSBlockPos(blockPos.x, blockPos.y, blockPos.z);
+        write(NMSUtils.blockPosClass, 1, blockPosObj);
+    }
+
+    public ItemStack getItemStack() {
+        return NMSUtils.toBukkitItemStack(readObject(0, NMSUtils.nmsItemStackClass));
+    }
+
+    public void setItemStack(ItemStack stack) {
+        Object nmsItemStack = NMSUtils.toNMSItemStack(stack);
+        write(NMSUtils.nmsItemStackClass, 0, nmsItemStack);
+    }
+
+    public int getFace() {
+        return readInt(0);
+    }
+
+    public void setFace(int face) {
+        writeInt(0, face);
+    }
+
+    public Vector3f getCursorPosition() {
+        return new Vector3f(readFloat(0), readFloat(1), readFloat(2));
+    }
+
+    public void setCursorPosition(Vector3f cursorPos) {
+        writeFloat(0, cursorPos.x);
+        writeFloat(1, cursorPos.y);
+        writeFloat(2, cursorPos.z);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/blockplace/WrappedPacketInBlockPlace_1_9.java

@@ -0,0 +1,111 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.blockplace;
+
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.enums.EnumUtil;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.github.retrooper.packetevents.utils.player.Direction;
+import io.github.retrooper.packetevents.utils.vector.Vector3i;
+
+import java.lang.reflect.InvocationTargetException;
+
+final class WrappedPacketInBlockPlace_1_9 extends WrappedPacket {
+    private static Class<?> movingObjectPositionBlockClass;
+    private Object movingObjPos;
+
+    public WrappedPacketInBlockPlace_1_9(final NMSPacket packet) {
+        super(packet);
+    }
+
+    @Override
+    protected void load() {
+        movingObjectPositionBlockClass = NMSUtils.getNMSClassWithoutException("MovingObjectPositionBlock");
+    }
+
+    public Vector3i getBlockPosition() {
+        Vector3i blockPos = new Vector3i();
+        Object blockPosObj;
+        if (movingObjectPositionBlockClass == null) {
+            blockPosObj = readObject(0, NMSUtils.blockPosClass);
+        } else {
+            if (movingObjPos == null) {
+                movingObjPos = readObject(0, movingObjectPositionBlockClass);
+            }
+            WrappedPacket movingObjectPosWrapper = new WrappedPacket(new NMSPacket(movingObjPos));
+            blockPosObj = movingObjectPosWrapper.readObject(0, NMSUtils.blockPosClass);
+        }
+        try {
+            blockPos.x = (int) NMSUtils.getBlockPosX.invoke(blockPosObj);
+            blockPos.y = (int) NMSUtils.getBlockPosY.invoke(blockPosObj);
+            blockPos.z = (int) NMSUtils.getBlockPosZ.invoke(blockPosObj);
+        } catch (IllegalAccessException | InvocationTargetException e) {
+            e.printStackTrace();
+        }
+        return blockPos;
+    }
+
+    public void setBlockPosition(Vector3i blockPos) {
+        Object blockPosObj = NMSUtils.generateNMSBlockPos(blockPos.x, blockPos.y, blockPos.z);
+        if (movingObjectPositionBlockClass == null) {
+            write(NMSUtils.blockPosClass, 0, blockPosObj);
+        } else {
+            if (movingObjPos == null) {
+                movingObjPos = readObject(0, movingObjectPositionBlockClass);
+            }
+            WrappedPacket movingObjectPosWrapper = new WrappedPacket(new NMSPacket(movingObjPos));
+            movingObjectPosWrapper.write(NMSUtils.blockPosClass, 0, blockPos);
+        }
+    }
+
+    public Direction getDirection() {
+        Enum<?> enumConst;
+        if (movingObjectPositionBlockClass == null) {
+            enumConst = readEnumConstant(0, NMSUtils.enumDirectionClass);
+        } else {
+            if (movingObjPos == null) {
+                movingObjPos = readObject(0, movingObjectPositionBlockClass);
+            }
+            WrappedPacket movingObjectPosWrapper = new WrappedPacket(new NMSPacket(movingObjPos));
+            enumConst = movingObjectPosWrapper.readEnumConstant(0, NMSUtils.enumDirectionClass);
+        }
+        return Direction.valueOf(enumConst.name());
+    }
+
+    public void setDirection(Direction direction) {
+        Enum<?> enumConst = EnumUtil.valueOf(NMSUtils.enumDirectionClass, direction.name());
+        if (movingObjectPositionBlockClass == null) {
+            writeEnumConstant(0, enumConst);
+        } else {
+            if (movingObjPos == null) {
+                movingObjPos = readObject(0, movingObjectPositionBlockClass);
+            }
+            WrappedPacket movingObjectPosWrapper = new WrappedPacket(new NMSPacket(movingObjPos));
+            movingObjectPosWrapper.writeEnumConstant(0, enumConst);
+        }
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/boatmove/WrappedPacketInBoatMove.java

@@ -0,0 +1,62 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.boatmove;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+
+/**
+ * Wrapper for the BoatMove packet.
+ *
+ * @author Tecnio
+ * @since 1.8
+ */
+public final class WrappedPacketInBoatMove extends WrappedPacket {
+    public WrappedPacketInBoatMove(NMSPacket packet) {
+        super(packet);
+    }
+
+    public boolean getLeftPaddle() {
+        return readBoolean(0);
+    }
+
+    public void setLeftPaddle(boolean turning) {
+        writeBoolean(0, turning);
+    }
+
+    public boolean getRightPaddle() {
+        return readBoolean(1);
+    }
+
+    public void setRightPaddle(boolean turning) {
+        writeBoolean(1, turning);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return version.isNewerThan(ServerVersion.v_1_8);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/chat/WrappedPacketInChat.java

@@ -22,21 +22,21 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.packetwrappers.in.chat;
+package io.github.retrooper.packetevents.packetwrappers.play.in.chat;
 
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
 import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
 
 public final class WrappedPacketInChat extends WrappedPacket {
-    public WrappedPacketInChat(Object packet) {
+    public WrappedPacketInChat(NMSPacket packet) {
         super(packet);
     }
 
-    /**
-     * Get the message.
-     *
-     * @return Chat Message
-     */
     public String getMessage() {
         return readString(0);
     }
+
+    public void setMessage(String message) {
+        writeString(0, message);
+    }
 }

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/clientcommand/WrappedPacketInClientCommand.java

@@ -22,47 +22,55 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.packetwrappers.in.clientcommand;
+package io.github.retrooper.packetevents.packetwrappers.play.in.clientcommand;
 
 import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
 import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.enums.EnumUtil;
 import io.github.retrooper.packetevents.utils.nms.NMSUtils;
 import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
 
 public final class WrappedPacketInClientCommand extends WrappedPacket {
-    private static Class<?> enumClientCommandClass;
-    private Object enumObj;
+    private static Class<? extends Enum<?>> enumClientCommandClass;
 
-    public WrappedPacketInClientCommand(Object packet) {
+    public WrappedPacketInClientCommand(NMSPacket packet) {
         super(packet);
     }
 
-    public static void load() {
-        Class<?> packetClass = PacketTypeClasses.Client.CLIENT_COMMAND;
-
+    @Override
+    protected void load() {
+        Class<?> packetClass = PacketTypeClasses.Play.Client.CLIENT_COMMAND;
         try {
-            enumClientCommandClass = NMSUtils.getNMSClass("EnumClientCommand");
+            enumClientCommandClass = NMSUtils.getNMSEnumClass("EnumClientCommand");
         } catch (ClassNotFoundException e) {
             //Probably a subclass
-            enumClientCommandClass = SubclassUtil.getSubClass(packetClass, "EnumClientCommand");
+            enumClientCommandClass = SubclassUtil.getEnumSubClass(packetClass, "EnumClientCommand");
         }
     }
 
-    /**
-     * Get the Client Command enum sent in the packet
-     *
-     * @return ClientCommand
-     */
+
     public ClientCommand getClientCommand() {
-        if(enumObj == null) {
-            enumObj = readObject(0, enumClientCommandClass);
+        Enum<?> emumConst = readEnumConstant(0, enumClientCommandClass);
+        return ClientCommand.valueOf(emumConst.name());
+    }
+
+    public void setClientCommand(ClientCommand command) throws UnsupportedOperationException {
+        if (command == ClientCommand.OPEN_INVENTORY_ACHIEVEMENT && version.isNewerThan(ServerVersion.v_1_16)) {
+            throwUnsupportedOperation(command);
         }
-        return ClientCommand.valueOf(enumObj.toString());
+        Enum<?> enumConst = EnumUtil.valueOf(enumClientCommandClass, command.name());
+        writeEnumConstant(0, enumConst);
     }
 
     public enum ClientCommand {
         PERFORM_RESPAWN,
         REQUEST_STATS,
+
+        //This enum constant only exists on 1.7.10 -> 1.15.2
+        @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_15_2})
+        @Deprecated
         OPEN_INVENTORY_ACHIEVEMENT
     }
 

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/closewindow/WrappedPacketInCloseWindow.java

@@ -0,0 +1,43 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.closewindow;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+
+public class WrappedPacketInCloseWindow extends WrappedPacket {
+    public WrappedPacketInCloseWindow(NMSPacket packet) {
+        super(packet);
+    }
+
+    //0 for player inv.
+    public int getWindowId() {
+        return readInt(0);
+    }
+
+    public void setWindowId(int windowID) {
+        writeInt(0, windowID);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/custompayload/WrappedPacketInCustomPayload.java

@@ -22,48 +22,44 @@
  * SOFTWARE.
  */
 
-package io.github.retrooper.packetevents.packetwrappers.in.custompayload;
+package io.github.retrooper.packetevents.packetwrappers.play.in.custompayload;
 
+import io.github.retrooper.packetevents.PacketEvents;
 import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
 import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
-import io.github.retrooper.packetevents.utils.bytebuf.ByteBufUtil;
 import io.github.retrooper.packetevents.utils.nms.NMSUtils;
 import io.github.retrooper.packetevents.utils.reflection.Reflection;
 
 public final class WrappedPacketInCustomPayload extends WrappedPacket {
-    private static Class<?> nmsMinecraftKey, packetDataSerializerClass, byteBufClass;
-
     private static boolean strPresent, byteArrayPresent;
 
-    public WrappedPacketInCustomPayload(Object packet) {
+    public WrappedPacketInCustomPayload(NMSPacket packet) {
         super(packet);
     }
 
-    public static void load() {
-        Class<?> packetClass = PacketTypeClasses.Client.CUSTOM_PAYLOAD;
+    @Override
+    protected void load() {
+        Class<?> packetClass = PacketTypeClasses.Play.Client.CUSTOM_PAYLOAD;
         strPresent = Reflection.getField(packetClass, String.class, 0) != null;
         byteArrayPresent = Reflection.getField(packetClass, byte[].class, 0) != null;
-        packetDataSerializerClass = NMSUtils.getNMSClassWithoutException("PacketDataSerializer");
-        try {
-            byteBufClass = NMSUtils.getNettyClass("buffer.ByteBuf");
-        } catch (ClassNotFoundException e) {
-
-        }
-        try {
-            //Only on 1.13+
-            nmsMinecraftKey = NMSUtils.getNMSClass("MinecraftKey");
-        } catch (ClassNotFoundException e) {
-            //Its okay, this means they are on versions 1.7.10 - 1.12.2
-        }
     }
 
     public String getTag() {
         if (strPresent) {
             return readString(0);
         } else {
-            Object minecraftKey = readObject(0, nmsMinecraftKey);
-            WrappedPacket minecraftKeyWrapper = new WrappedPacket(minecraftKey);
-            return minecraftKeyWrapper.readString(1);
+            Object minecraftKey = readObject(0, NMSUtils.minecraftKeyClass);
+            return NMSUtils.getStringFromMinecraftKey(minecraftKey);
+        }
+    }
+
+    public void setTag(String tag) {
+        if (strPresent) {
+            writeString(0, tag);
+        } else {
+            Object minecraftKey = NMSUtils.generateMinecraftKey(tag);
+            write(NMSUtils.minecraftKeyClass, 0, minecraftKey);
         }
     }
 
@@ -71,12 +67,35 @@ public final class WrappedPacketInCustomPayload extends WrappedPacket {
         if (byteArrayPresent) {
             return readByteArray(0);
         } else {
-            Object dataSerializer = readObject(0, packetDataSerializerClass);
-            WrappedPacket byteBufWrapper = new WrappedPacket(dataSerializer);
-
-            Object byteBuf = byteBufWrapper.readObject(0, byteBufClass);
-
-            return ByteBufUtil.getBytes(byteBuf);
+            return PacketEvents.get().getByteBufUtil().getBytes(getBuffer());
         }
     }
+
+    public void setData(byte[] data) {
+        if (byteArrayPresent) {
+            writeByteArray(0, data);
+        } else {
+            PacketEvents.get().getByteBufUtil().setBytes(getBuffer(), data);
+        }
+    }
+
+    private Object getBuffer() {
+        Object dataSerializer = readObject(0, NMSUtils.packetDataSerializerClass);
+        WrappedPacket dataSerializerWrapper = new WrappedPacket(new NMSPacket(dataSerializer));
+
+        return dataSerializerWrapper.readObject(0, NMSUtils.byteBufClass);
+    }
+
+    public void retain() {
+        if (!byteArrayPresent) {
+            PacketEvents.get().getByteBufUtil().retain(getBuffer());
+        }
+    }
+
+    public void release() {
+        if (!byteArrayPresent) {
+            PacketEvents.get().getByteBufUtil().release(getBuffer());
+        }
+    }
+
 }

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/difficultychange/WrappedPacketInDifficultyChange.java

@@ -0,0 +1,65 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.difficultychange;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.enums.EnumUtil;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.github.retrooper.packetevents.utils.world.Difficulty;
+
+/**
+ * Wrapper for the DifficultyChange packet.
+ *
+ * @author Tecnio
+ * @since 1.8
+ */
+public final class WrappedPacketInDifficultyChange extends WrappedPacket {
+
+    private static Class<? extends Enum<?>> enumDifficultyClass;
+
+    public WrappedPacketInDifficultyChange(NMSPacket packet) {
+        super(packet);
+    }
+
+    @Override
+    protected void load() {
+        try {
+            enumDifficultyClass = NMSUtils.getNMSEnumClass("EnumDifficulty");
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public Difficulty getDifficulty() {
+        Enum<?> enumConstant = readEnumConstant(0, enumDifficultyClass);
+        return Difficulty.values()[enumConstant.ordinal()];
+    }
+
+    public void setDifficulty(Difficulty difficulty) {
+        Enum<?> enumConstant = EnumUtil.valueByIndex(enumDifficultyClass, difficulty.ordinal());
+        writeEnumConstant(0, enumConstant);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/difficultylock/WrappedPacketInDifficultyLock.java

@@ -0,0 +1,54 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.difficultylock;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+
+/**
+ * Wrapper for the DifficultyLock packet.
+ *
+ * @author Tecnio
+ * @since 1.8
+ */
+public final class WrappedPacketInDifficultyLock extends WrappedPacket {
+    public WrappedPacketInDifficultyLock(NMSPacket packet) {
+        super(packet);
+    }
+
+    public boolean isLocked() {
+        return readBoolean(0);
+    }
+
+    public void setLocked(boolean locked) {
+        writeBoolean(0, locked);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return version.isNewerThan(ServerVersion.v_1_15_2);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/enchantitem/WrappedPacketInEnchantItem.java

@@ -0,0 +1,50 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.enchantitem;
+
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+
+public class WrappedPacketInEnchantItem extends WrappedPacket {
+    public WrappedPacketInEnchantItem(NMSPacket packet) {
+        super(packet);
+    }
+
+    public int getWindowId() {
+        return readInt(0);
+    }
+
+    public void setWindowId(int windowID) {
+        writeInt(0, windowID);
+    }
+
+    public int getButton() {
+        return readInt(1);
+    }
+
+    public void setButton(int button) {
+        writeInt(1, button);
+    }
+}

src/main/java/io/github/retrooper/packetevents/packetwrappers/play/in/entityaction/WrappedPacketInEntityAction.java

@@ -0,0 +1,201 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 retrooper
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.retrooper.packetevents.packetwrappers.play.in.entityaction;
+
+import io.github.retrooper.packetevents.packettype.PacketTypeClasses;
+import io.github.retrooper.packetevents.packetwrappers.NMSPacket;
+import io.github.retrooper.packetevents.packetwrappers.WrappedPacket;
+import io.github.retrooper.packetevents.utils.enums.EnumUtil;
+import io.github.retrooper.packetevents.utils.nms.NMSUtils;
+import io.github.retrooper.packetevents.utils.reflection.SubclassUtil;
+import io.github.retrooper.packetevents.utils.server.ServerVersion;
+import org.bukkit.World;
+import org.bukkit.entity.Entity;
+import org.jetbrains.annotations.Nullable;
+
+public final class WrappedPacketInEntityAction extends WrappedPacket {
+    private static Class<? extends Enum<?>> enumPlayerActionClass;
+    private static boolean newerThan_v_1_8_8;
+    private Entity entity;
+    private int entityID = -1;
+
+    public WrappedPacketInEntityAction(final NMSPacket packet) {
+        super(packet);
+    }
+
+    @Override
+    protected void load() {
+        newerThan_v_1_8_8 = version.isNewerThan(ServerVersion.v_1_8_8);
+        enumPlayerActionClass = NMSUtils.getNMSEnumClassWithoutException("EnumPlayerAction");
+        if (enumPlayerActionClass == null) {
+            enumPlayerActionClass = SubclassUtil.getEnumSubClass(PacketTypeClasses.Play.Client.ENTITY_ACTION, "EnumPlayerAction");
+        }
+
+    }
+
+    @Nullable
+    public Entity getEntity() {
+        return getEntity(null);
+    }
+
+    @Nullable
+    public Entity getEntity(@Nullable World world) {
+        if (entity == null) {
+            entity = NMSUtils.getEntityById(world, getEntityId());
+        }
+        return entity;
+    }
+
+    public void setEntity(Entity entity) {
+        setEntityId(entity.getEntityId());
+        this.entity = entity;
+    }
+
+    public int getEntityId() {
+        if (entityID == -1) {
+            entityID = readInt(0);
+        }
+        return entityID;
+    }
+
+    public void setEntityId(int entityID) {
+        writeInt(0, this.entityID = entityID);
+        this.entity = null;
+    }
+
+    public PlayerAction getAction() {
+        if (enumPlayerActionClass == null) {
+            int animationIndex = readInt(1) - 1;
+            return PlayerAction.getByActionValue((byte) (animationIndex));
+        } else {
+            Enum<?> enumConst = readEnumConstant(0, enumPlayerActionClass);
+            return PlayerAction.getByName(enumConst.name());
+        }
+    }
+
+    public void setAction(PlayerAction action) throws UnsupportedOperationException {
+        if (enumPlayerActionClass == null) {
+            byte animationIndex = action.actionID;
+            writeInt(1, animationIndex + 1);
+        } else {
+            Enum<?> enumConst;
+            if (newerThan_v_1_8_8) {
+                if (action == PlayerAction.RIDING_JUMP) {
+                    throwUnsupportedOperation(action);
+                }
+                enumConst = EnumUtil.valueByIndex(enumPlayerActionClass, action.ordinal());
+
+            } else {
+                enumConst = EnumUtil.valueOf(enumPlayerActionClass, action.name());
+                if (enumConst == null) {
+                    enumConst = EnumUtil.valueOf(enumPlayerActionClass, action.alias);
+                }
+            }
+            writeEnumConstant(0, enumConst);
+        }
+    }
+
+    public int getJumpBoost() {
+        if (enumPlayerActionClass == null) {
+            return readInt(2);
+        } else {
+            return readInt(1);
+        }
+    }
+
+    public void setJumpBoost(int jumpBoost) {
+        if (enumPlayerActionClass == null) {
+            writeInt(2, jumpBoost);
+        } else {
+            writeInt(1, jumpBoost);
+        }
+    }
+
+    public enum PlayerAction {
+        START_SNEAKING((byte) 0, "PRESS_SHIFT_KEY"),
+        STOP_SNEAKING((byte) 1, "RELEASE_SHIFT_KEY"),
+        STOP_SLEEPING((byte) 2),
+        START_SPRINTING((byte) 3),
+        STOP_SPRINTING((byte) 4),
+        START_RIDING_JUMP((byte) 5),
+        STOP_RIDING_JUMP((byte) 6),
+        OPEN_INVENTORY((byte) 7),
+        START_FALL_FLYING((byte) 8),
+
+        /**
+         * Removed in minecraft server version 1.9.
+         * This constant will only work on 1.7.10-1.8
+         */
+        @SupportedVersions(ranges = {ServerVersion.v_1_7_10, ServerVersion.v_1_8_8})
+        @Deprecated
+        RIDING_JUMP((byte) 5);
+
+        final byte actionID;
+        final String alias;
+
+        PlayerAction(byte actionID) {
+            this.actionID = actionID;
+            this.alias = "empty";
+        }
+
+        PlayerAction(byte actionID, String alias) {
+            this.actionID = actionID;
+            this.alias = alias;
+        }
+
+        @Nullable
+        public static PlayerAction getByActionValue(byte value) {
+            if (version.isOlderThan(ServerVersion.v_1_9)) {
+                if (value == RIDING_JUMP.actionID) {
+                    return RIDING_JUMP;
+                } else {
+                    for (PlayerAction action : values()) {
+                        if (action.actionID == value) {
+                            return action;
+                        }
+                    }
+                }
+            } else {
+                return values()[value];
+            }
+            return null;
+        }
+
+        @Nullable
+        public static PlayerAction getByName(String name) {
+            for (PlayerAction action : values()) {
+                if (action.name().equals(name) || action.alias.equals(name)) {
+                    return action;
+                }
+            }
+            return null;
+        }
+
+        public byte getActionValue() {
+            return actionID;
+        }
+    }
+
+}