Update to 0.5.8-SNAPSHOT

Merge pull request #166 from StamBoom/master
Change DataInputStream / DataOutputStream to readNBT / writeNBT
2016-03-07 19:36:47 +00:00 · 2016-03-07 19:30:41 +00:00 · 2016-03-07 19:19:14 +00:00 · 2016-03-07 19:58:07 +01:00 · 2016-03-07 18:52:11 +00:00 · 2016-03-07 18:51:18 +00:00
49 changed files with 3046 additions and 1164 deletions
@@ -1,3 +1,116 @@
-target/
-.idea/
+### Java files ###
+*.class
+
+# Package Files
+#*.jar
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm
+# Ignore project files
 *.iml
+
+# Ignore IDEA directory
+.idea/*
+
+# Include the project's code style settings file
+!.idea/codeStyleSettings.xml
+
+# Include the project's dictionary
+!.idea/dictionaries/
+!.idea/dictionaries/*
+
+# File-based project format:
+*.ipr
+*.iws
+
+### Plugin-specific files: ###
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+
+
+
+### Eclipse ###
+*.pydevproject
+.metadata
+.gradle
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+
+# Eclipse Core
+.project
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# CDT-specific
+.cproject
+
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+# PDT-specific
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# TeXlipse plugin
+.texlipse
+
+
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+
+
+
+### NetBeans ###
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+.nb-gradle/
+
+
+
+### Git ###
+# Don't exclude the .gitignore itself
+!.gitignore
@@ -0,0 +1,12 @@
+sudo: false
+
+language: java
+jdk: oraclejdk7
+
+cache:
+  directories:
+    - '$HOME/.m2/repository'
+
+script:
+  - mvn dependency:purge-local-repository -DactTransitively=false -DreResolve=false
+  - mvn clean install -B -U
@@ -0,0 +1,12 @@
+### What version of ViaVersion are you using? Type /ver viaversion
+
+### What version of Spigot are you using? Type /ver
+
+### What plugins are you using? Type /plugins
+
+### Are you using any additional software like BungeeCord? If so, what software and version? (Please list your plugins as well)
+
+### How does this error happen? login? Using an item? 
+
+### Is there an error in the console? Use pastebin.com. Is there a kick message?
+
@@ -0,0 +1,3 @@
+License:
+--------
+You may modify this work, all rights are still owned by myself excluding any files in the spacebase package as they belong to the respected contributors. Please credit the original author (myself) when forking etc. (or if it helped you understand the new protocol or netty!)
@@ -1,21 +1,16 @@
-# ViaVersion 0.4.5
-**Allows the connection of 1.8 clients to 1.9**
+# ViaVersion 0.5.7 
+[![Build Status](https://travis-ci.org/MylesIsCool/ViaVersion.svg?branch=master)](https://travis-ci.org/MylesIsCool/ViaVersion)
+**Allows the connection of 1.9 clients to 1.8**

 This plugin modifies netty to allow connection of 1.9 clients to 1.8,

-**Don't use late bind*
-
-**As of this point it doesn't have everything, I need to fix:**
-
-Attempt to make boats nicer when they don't work
-
-Remap spawn eggs
-
-If you have a bug with entities, please report the full stack trace
+###*Don't use late bind*


 This took hours of work, so if you enjoy this consider looking into contacting me and supporting my projects.

+**Contributor Chat:** https://gitter.im/MylesIsCool/ViaVersion
+

 Sources:
 --------
@@ -24,20 +19,47 @@ Sources:

 **MCProtocolLib** (used for chunk reading & some of writing.)

+**OpenNBT** (used for slot rewriting)
+
+
+
 Contributors:
 --------

 **Myself** (harhar)
+
 **Matsv/StamBoom**
+
 **HugoDaBosss**
+
 **SanderGielisse**
+
 **Paulomart**
+
 **gigosaurus**

+**fillefilip8**
+
+
+
+Releases / Dev Builds:
+--------
+You can find official releases here:
+
+https://www.spigotmc.org/resources/viaversion.19254/history
+
+
+----------
+
+You can find unofficial dev builds here:
+
+**fillefilip8's Build Server:** http://build.fillecraft.com:8080/job/ViaVersion
+
 License:
 --------

 You may modify this work, all rights are still owned by myself excluding any files in the spacebase package as they belong to the respected contributors. Please credit the original author (myself) when forking etc. (or if it helped you understand the new protocol or netty!)


-Thanks!
+Thanks!
+
@@ -0,0 +1,11 @@
+machine:
+  java:
+    version: oraclejdk7
+general:
+  artifacts:
+    - "target/*.jar"
+test:
+  override:
+    - mvn clean install -B
+  post:
+    - cp ./target/*.jar $CIRCLE_ARTIFACTS
@@ -1,54 +1,181 @@
 <?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>us.myles</groupId>
-    <artifactId>ViaVersion</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <artifactId>viaversion</artifactId>
+    <version>0.5.8-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>ViaVersion</name>
+    <description>Allow 1.8 clients to join 1.9 bukkit servers!</description>
+    <inceptionYear>2016</inceptionYear>
+    <url>https://www.spigotmc.org/resources/viaversion.19254/</url>
+
+    <prerequisites>
+        <maven>3.3.3</maven>
+    </prerequisites>
+
+    <properties>
+        <!-- Project Properties -->
+        <projectEncoding>UTF-8</projectEncoding>
+        <project.build.sourceEncoding>${projectEncoding}</project.build.sourceEncoding>
+        <project.build.outputEncoding>${projectEncoding}</project.build.outputEncoding>
+        <jdkVersion>1.7</jdkVersion>
+        <!-- <testJreVersion>1.7</testJreVersion> -->
+
+        <!-- Change Bukkit Version HERE! -->
+        <bukkitVersion>1.8.8-R0.1-SNAPSHOT</bukkitVersion>
+    </properties>
+
    <build>
+        <finalName>${project.name}-${project.version}</finalName>
+        <sourceDirectory>src/main/java</sourceDirectory>
+        <!-- <testSourceDirectory>src/test/java</testSourceDirectory> -->
+
+        <resources>
+            <resource>
+                <targetPath>.</targetPath>
+                <filtering>false</filtering>
+                <directory>.</directory>
+                <includes>
+                    <include>LICENSE</include>
+                </includes>
+            </resource>
+            <resource>
+                <targetPath>.</targetPath>
+                <filtering>true</filtering>
+                <directory>src/main/resources/</directory>
+                <includes>
+                    <include>*</include>
+                </includes>
+            </resource>
+        </resources>
+        <!--
+        <testResources>
+            <testResource>
+                <directory>src/test/resources</directory>
+            </testResource>
+        </testResources>
+        -->
+
        <plugins>
+            <!-- Maven Java Compiler -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.5.1</version>
                <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>${jdkVersion}</source>
+                    <target>${jdkVersion}</target>
+                    <!--
+                    <testSource>${testJreVersion}</testSource>
+                    <testTarget>${testJreVersion}</testTarget>
+                    -->
                </configuration>
            </plugin>
+            <!-- Unit Test Plugin
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>2.19.1</version>
+                <configuration>
+                    <argLine>-Dfile.encoding=${projectEncoding} ${argLine}</argLine>
+                </configuration>
+            </plugin>
+			-->
+            <!-- Libs Shading and Relocation -->
+            <plugin>
+                <!--Relocate all lib we use in order to fix class loading errors if we use different versions
+                than already loaded libs (i.e. by Mojang -> gson)-->
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>2.4.3</version>
+                <configuration>
+                    <createDependencyReducedPom>false</createDependencyReducedPom>
+                    <minimizeJar>false</minimizeJar>
+                    <relocations>
+                        <relocation>
+                            <pattern>org.spacehq.opennbt</pattern>
+                            <shadedPattern>us.myles.viaversion.libs.opennbt</shadedPattern>
+                        </relocation>
+                    </relocations>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
        </plugins>
    </build>
+
+    <repositories>
+        <!-- SpigotMC Repo (Bukkit API) -->
+        <repository>
+            <id>spigot-repo</id>
+            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots</url>
+        </repository>
+
+        <!-- SpaceHQ Repo-->
+        <repository>
+            <id>spacehq-repo</id>
+            <url>https://repo.spacehq.org/content/repositories/releases/</url>
+        </repository>
+    </repositories>
+
    <dependencies>
+        <!-- Bukkit API, http://www.spigotmc.org/ or http://bukkit.org/ -->
        <dependency>
            <groupId>org.bukkit</groupId>
            <artifactId>bukkit</artifactId>
-            <version>1.8.8-R0.1-SNAPSHOT</version>
+            <version>${bukkitVersion}</version>
            <scope>provided</scope>
+            <optional>true</optional>
+            <exclusions>
+                <exclusion>
+                    <artifactId>junit</artifactId>
+                    <groupId>junit</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>gson</artifactId>
+                    <groupId>com.google.code.gson</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>persistence-api</artifactId>
+                    <groupId>javax.persistence</groupId>
+                </exclusion>
+            </exclusions>
        </dependency>
+
+        <!-- NBT Edit Library -->
+        <dependency>
+            <groupId>org.spacehq</groupId>
+            <artifactId>opennbt</artifactId>
+            <version>1.0</version>
+            <scope>compile</scope>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- Netty (Network Library) -->
        <dependency>
            <groupId>io.netty</groupId>
            <artifactId>netty-all</artifactId>
            <version>4.0.20.Final</version>
            <scope>provided</scope>
+            <optional>true</optional>
        </dependency>
+        <!-- Lombok -->
        <dependency>
-            <groupId>com.google.code.gson</groupId>
-            <artifactId>gson</artifactId>
-            <version>2.4</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>18.0</version>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.16.6</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>
-    <repositories>
-        <repository>
-            <id>spigot-repo</id>
-            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
-        </repository>
-   </repositories>
 </project>
@@ -17,7 +17,7 @@ public class BlockStorage {
    public BlockStorage() {
        this.bitsPerEntry = 4;

-        this.states = new ArrayList<Integer>();
+        this.states = new ArrayList<>();
        this.states.add(0);

        this.storage = new FlexibleStorage(this.bitsPerEntry, 4096);
@@ -26,7 +26,7 @@ public class BlockStorage {
    public BlockStorage(ByteBuf in) throws IOException {
        this.bitsPerEntry = in.readUnsignedByte();

-        this.states = new ArrayList<Integer>();
+        this.states = new ArrayList<>();
        int stateCount = PacketUtil.readVarInt(in);
        for (int i = 0; i < stateCount; i++) {
            this.states.add(PacketUtil.readVarInt(in));
@@ -35,6 +35,10 @@ public class BlockStorage {
        this.storage = new FlexibleStorage(this.bitsPerEntry, PacketUtil.readLongs(PacketUtil.readVarInt(in), in));
    }

+    private static int index(int x, int y, int z) {
+        return y << 8 | z << 4 | x;
+    }
+
    public void write(ByteBuf out) throws IOException {
        out.writeByte(this.bitsPerEntry);

@@ -78,7 +82,7 @@ public class BlockStorage {

                List<Integer> oldStates = this.states;
                if (this.bitsPerEntry > 8) {
-                    oldStates = new ArrayList<Integer>(this.states);
+                    oldStates = new ArrayList<>(this.states);
                    this.states.clear();
                    this.bitsPerEntry = 13;
                }
@@ -107,10 +111,6 @@ public class BlockStorage {
        return true;
    }

-    private static int index(int x, int y, int z) {
-        return y << 8 | z << 4 | x;
-    }
-
    @Override
    public boolean equals(Object o) {
        return this == o || (o instanceof BlockStorage && this.bitsPerEntry == ((BlockStorage) o).bitsPerEntry && this.states.equals(((BlockStorage) o).states) && this.storage.equals(((BlockStorage) o).storage));
@@ -1,5 +1,10 @@
 package org.spacehq.mc.protocol.data.game.chunk;

+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
 public class Column {
    private int x;
    private int z;
@@ -23,9 +28,9 @@ public class Column {

        this.skylight = false;
        boolean noSkylight = false;
-        for(int index = 0; index < chunks.length; index++) {
-            if(chunks[index] != null) {
-                if(chunks[index].getSkyLight() == null) {
+        for (Chunk chunk : chunks) {
+            if (chunk != null) {
+                if (chunk.getSkyLight() == null) {
                    noSkylight = true;
                } else {
                    this.skylight = true;
@@ -43,26 +48,11 @@ public class Column {
        this.biomeData = biomeData;
    }

-    public int getX() {
-        return this.x;
-    }
-
-    public int getZ() {
-        return this.z;
-    }
-
-    public Chunk[] getChunks() {
-        return this.chunks;
-    }

    public boolean hasBiomeData() {
        return this.biomeData != null;
    }

-    public byte[] getBiomeData() {
-        return this.biomeData;
-    }
-
    public boolean hasSkylight() {
        return this.skylight;
    }
@@ -18,19 +18,19 @@ public class NetUtil {
    public static int writeNewColumn(ByteBuf out, Column column, boolean fullChunk, boolean hasSkylight) throws IOException {
        int mask = 0;
        Chunk chunks[] = column.getChunks();
-        for(int index = 0; index < chunks.length; index++) {
+        for (int index = 0; index < chunks.length; index++) {
            Chunk chunk = chunks[index];
-            if(chunk != null && (!fullChunk || !chunk.isEmpty())) {
+            if (chunk != null && (!fullChunk || !chunk.isEmpty())) {
                mask |= 1 << index;
                chunk.getBlocks().write(out);
                chunk.getBlockLight().write(out);
-                if(hasSkylight || column.hasSkylight()) {
+                if (hasSkylight || column.hasSkylight()) {
                    chunk.getSkyLight().write(out); // TODO: Make a PR to original lib to correct this
                }
            }
        }

-        if(fullChunk) {
+        if (fullChunk && column.getBiomeData() != null) {
            out.writeBytes(column.getBiomeData());
        }

@@ -48,44 +48,43 @@ public class NetUtil {
        // 3 = Get sky light.
        Chunk[] chunks = new Chunk[16];

-        for(int pass = 0; pass < 4; pass++) {
-            for(int ind = 0; ind < 16; ind++) {
-                if((bitmask & 1 << ind) != 0) {
-                    if(pass == 0) {
+        for (int pass = 0; pass < 4; pass++) {
+            for (int ind = 0; ind < 16; ind++) {
+                if ((bitmask & 1 << ind) != 0) {
+                    if (pass == 0) {
                        // Block length + Blocklight length
                        expected += (4096 * 2) + 2048;
                    }

-                    if(pass == 1) {
+                    if (pass == 1) {
                        chunks[ind] = new Chunk(sky || hasSkyLight);

                        buf.position(pos / 2);
-                        short[] tempData = new short[4096];
-                        buf.get(tempData, 0, tempData.length);
+                        int buffPos = buf.position();
                        // convert short array to new one
-                        int index = 0;
-                        for(short ss:tempData){
+
+                        for (int index = 0; index < 4096; index++) {
+                            short ss = buf.get(buffPos + index);
                            // s is 16 bits, 12 bits id and 4 bits data
                            int data = ss & 0xF;
                            int id = (ss >> 4) << 4 | data;

-                            int newCombined = id ; // test
+                            int newCombined = id; // test

                            chunks[ind].getBlocks().set(index, newCombined);
-                            index++;
                        }
-                        pos += tempData.length * 2;
+                        pos += 4096 * 2;

                    }

-                    if(pass == 2) {
+                    if (pass == 2) {
                        NibbleArray3d blocklight = chunks[ind].getBlockLight();
                        System.arraycopy(input, pos, blocklight.getData(), 0, blocklight.getData().length);
                        pos += blocklight.getData().length;
                    }

-                    if(pass == 3) {
-                        if(sky) {
+                    if (pass == 3) {
+                        if (sky) {
                            NibbleArray3d skylight = chunks[ind].getSkyLight();
                            System.arraycopy(input, pos, skylight.getData(), 0, skylight.getData().length);
                            pos += skylight.getData().length;
@@ -94,16 +93,17 @@ public class NetUtil {
                }
            }

-            if(pass == 0) {
+            if (pass == 0) {
                // If we have more data than blocks and blocklight combined, there must be skylight data as well.
-                if(input.length > expected) {
+                if (input.length > expected) {
                    sky = checkForSky;
                }
            }
        }

        byte biomeData[] = null;
-        if(isFullChunk) {
+        if (isFullChunk && (pos + 256 <= input.length)) {
+
            biomeData = new byte[256];
            System.arraycopy(input, pos, biomeData, 0, biomeData.length);
        }
@@ -1,4 +1,4 @@
 package us.myles.ViaVersion;

-public class CancelException extends Exception{
+public class CancelException extends Exception {
 }
@@ -1,5 +1,7 @@
 package us.myles.ViaVersion;

+import io.netty.buffer.ByteBuf;
+import io.netty.channel.*;
 import io.netty.channel.socket.SocketChannel;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
@@ -12,9 +14,11 @@ public class ConnectionInfo {
    private Object lastPacket;
    private java.util.UUID UUID;
    private State state = State.HANDSHAKE;
+    private String openWindow;
    private int protocol = 0;
    private int compression = 0;
    private boolean active = true;
+    private String username;

    public ConnectionInfo(SocketChannel socketChannel) {
        this.channel = socketChannel;
@@ -36,30 +40,30 @@ public class ConnectionInfo {
        this.state = state;
    }

-    public void setCompression(int compression) {
-        this.compression = compression;
-    }
-
    public int getCompression() {
        return compression;
    }

-    public void setLastPacket(Object lastPacket) {
-        this.lastPacket = lastPacket;
+    public void setCompression(int compression) {
+        this.compression = compression;
    }

    public Object getLastPacket() {
        return lastPacket;
    }

-    public void setUUID(UUID UUID) {
-        this.UUID = UUID;
+    public void setLastPacket(Object lastPacket) {
+        this.lastPacket = lastPacket;
    }

    public java.util.UUID getUUID() {
        return UUID;
    }

+    public void setUUID(UUID UUID) {
+        this.UUID = UUID;
+    }
+
    public Player getPlayer() {
        return UUID == null ? null : Bukkit.getPlayer(UUID);
    }
@@ -75,4 +79,34 @@ public class ConnectionInfo {
    public void setActive(boolean active) {
        this.active = active;
    }
+
+    public void sendRawPacket(final ByteBuf packet) {
+        final ChannelHandler handler = channel.pipeline().get("encoder");
+        channel.eventLoop().submit(new Runnable() {
+            @Override
+            public void run() {
+                channel.pipeline().context(handler).writeAndFlush(packet);
+            }
+        });
+    }
+
+    public String getOpenWindow() {
+        return openWindow;
+    }
+
+    public void setOpenWindow(String openWindow) {
+        this.openWindow = openWindow;
+    }
+
+    public void closeWindow() {
+        this.openWindow = null;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
 }
@@ -1,5 +1,6 @@
 package us.myles.ViaVersion;

+import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelFuture;
 import io.netty.channel.ChannelHandler;
 import io.netty.channel.ChannelInitializer;
@@ -12,83 +13,37 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.java.JavaPlugin;
-
 import us.myles.ViaVersion.api.ViaVersion;
 import us.myles.ViaVersion.api.ViaVersionAPI;
+import us.myles.ViaVersion.api.boss.BossBar;
+import us.myles.ViaVersion.api.boss.BossColor;
+import us.myles.ViaVersion.api.boss.BossStyle;
+import us.myles.ViaVersion.armor.ArmorListener;
+import us.myles.ViaVersion.boss.ViaBossBar;
+import us.myles.ViaVersion.commands.ViaVersionCommand;
 import us.myles.ViaVersion.handlers.ViaVersionInitializer;
+import us.myles.ViaVersion.listeners.CommandBlockListener;
+import us.myles.ViaVersion.update.UpdateListener;
+import us.myles.ViaVersion.update.UpdateUtil;
 import us.myles.ViaVersion.util.ReflectionUtil;

-import java.util.Collections;
+import java.lang.reflect.Field;
 import java.util.List;
-import java.util.Set;
+import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;

 public class ViaVersionPlugin extends JavaPlugin implements ViaVersionAPI {

-    private final Set<UUID> portedPlayers = Collections.newSetFromMap(new ConcurrentHashMap<UUID, Boolean>());
-
-    @Override
-    public void onEnable() {
-        ViaVersion.setInstance(this);
-        if(System.getProperty("ViaVersion") != null){
-            getLogger().severe("ViaVersion is already loaded, we don't support reloads. Please reboot if you wish to update.");
-            return;
-        }
-
-        getLogger().info("ViaVersion enabled, injecting. (Allows 1.8 to be accessed via 1.9)");
-        try {
-            injectPacketHandler();
-            System.setProperty("ViaVersion", getDescription().getVersion());
-        } catch (Exception e) {
-            getLogger().severe("Unable to inject handlers, are you on 1.8? ");
-            e.printStackTrace();
-        }
-        Bukkit.getPluginManager().registerEvents(new Listener() {
-            @EventHandler
-            public void onPlayerQuit(PlayerQuitEvent e) {
-                setPorted(e.getPlayer().getUniqueId(), false);
-            }
-        }, this);
-    }
-
-    public void injectPacketHandler() throws Exception {
-        Class<?> serverClazz = ReflectionUtil.nms("MinecraftServer");
-        Object server = ReflectionUtil.invokeStatic(serverClazz, "getServer");
-        Object connection = serverClazz.getDeclaredMethod("getServerConnection").invoke(server);
-
-        List<ChannelFuture> futures = ReflectionUtil.get(connection, "g", List.class);
-        if (futures.size() == 0) {
-            throw new Exception("Could not find server to inject (Please ensure late-bind in your spigot.yml is false)");
-        }
-
-        for (ChannelFuture future : futures) {
-            ChannelPipeline pipeline = future.channel().pipeline();
-            ChannelHandler bootstrapAcceptor = pipeline.first();
-            ChannelInitializer<SocketChannel> oldInit = ReflectionUtil.get(bootstrapAcceptor, "childHandler", ChannelInitializer.class);
-            ChannelInitializer newInit = new ViaVersionInitializer(oldInit);
-            ReflectionUtil.set(bootstrapAcceptor, "childHandler", newInit);
-        }
-    }
-
-    @Override
-    public boolean isPorted(Player player) {
-        return portedPlayers.contains(player.getUniqueId());
-    }
-
-    public void setPorted(UUID id, boolean value) {
-        if (value) {
-            portedPlayers.add(id);
-        } else {
-            portedPlayers.remove(id);
-        }
-    }
+    private final Map<UUID, ConnectionInfo> portedPlayers = new ConcurrentHashMap<>();
+    private boolean debug = false;

    public static ItemStack getHandItem(final ConnectionInfo info) {
        try {
-            return Bukkit.getScheduler().callSyncMethod(getPlugin(ViaVersionPlugin.class), new Callable<ItemStack>() {
+            return Bukkit.getScheduler().callSyncMethod(Bukkit.getPluginManager().getPlugin("ViaVersion"), new Callable<ItemStack>() {
                @Override
                public ItemStack call() throws Exception {
                    if (info.getPlayer() != null) {
@@ -103,4 +58,161 @@ public class ViaVersionPlugin extends JavaPlugin implements ViaVersionAPI {
            return null;
        }
    }
+
+    @Override
+    public void onEnable() {
+        ViaVersion.setInstance(this);
+        saveDefaultConfig();
+        if (System.getProperty("ViaVersion") != null) {
+            getLogger().severe("ViaVersion is already loaded, we don't support reloads. Please reboot if you wish to update.");
+            getLogger().severe("Some features may not work.");
+            return;
+        }
+
+        getLogger().info("ViaVersion " + getDescription().getVersion() + " is now enabled, injecting. (Allows 1.8 to be accessed via 1.9)");
+        try {
+            injectPacketHandler();
+            System.setProperty("ViaVersion", getDescription().getVersion());
+        } catch (Exception e) {
+            getLogger().severe("Unable to inject handlers, are you on 1.8? ");
+            e.printStackTrace();
+        }
+        if (getConfig().getBoolean("checkforupdates"))
+            UpdateUtil.sendUpdateMessage(this);
+
+        Bukkit.getPluginManager().registerEvents(new Listener() {
+            @EventHandler
+            public void onPlayerQuit(PlayerQuitEvent e) {
+                removePortedClient(e.getPlayer().getUniqueId());
+            }
+        }, this);
+
+        Bukkit.getPluginManager().registerEvents(new ArmorListener(this), this);
+        Bukkit.getPluginManager().registerEvents(new CommandBlockListener(this), this);
+        Bukkit.getPluginManager().registerEvents(new UpdateListener(this), this);
+
+        getCommand("viaversion").setExecutor(new ViaVersionCommand(this));
+    }
+
+    public void injectPacketHandler() throws Exception {
+        Class<?> serverClazz = ReflectionUtil.nms("MinecraftServer");
+        Object server = ReflectionUtil.invokeStatic(serverClazz, "getServer");
+        Object connection = serverClazz.getDeclaredMethod("getServerConnection").invoke(server);
+        // loop through all fields checking if list
+        boolean injected = false;
+        for (Field field : connection.getClass().getDeclaredFields()) {
+            field.setAccessible(true);
+            Object value = field.get(connection);
+            if (value instanceof List) {
+                for (Object o : (List) value) {
+                    if (o instanceof ChannelFuture) {
+                        ChannelFuture future = (ChannelFuture) o;
+                        ChannelPipeline pipeline = future.channel().pipeline();
+                        ChannelHandler bootstrapAcceptor = pipeline.first();
+                        try {
+                            ChannelInitializer<SocketChannel> oldInit = ReflectionUtil.get(bootstrapAcceptor, "childHandler", ChannelInitializer.class);
+                            ChannelInitializer newInit = new ViaVersionInitializer(oldInit);
+
+                            ReflectionUtil.set(bootstrapAcceptor, "childHandler", newInit);
+                        } catch (NoSuchFieldException e) {
+                            // field not found
+                            throw new Exception("Unable to find childHandler, blame " + bootstrapAcceptor.getClass().getName());
+                        }
+                        injected = true;
+                    } else {
+                        break; // not the right list.
+                    }
+                }
+            }
+        }
+        if (!injected) {
+            throw new Exception("Could not find server to inject (Please ensure late-bind in your spigot.yml is false)");
+        }
+    }
+
+    @Override
+    public boolean isPorted(Player player) {
+        return isPorted(player.getUniqueId());
+    }
+
+    @Override
+    public boolean isPorted(UUID playerUUID) {
+        return portedPlayers.containsKey(playerUUID);
+    }
+
+    @Override
+    public String getVersion() {
+        return getDescription().getVersion();
+    }
+
+    public void sendRawPacket(Player player, ByteBuf packet) throws IllegalArgumentException {
+        sendRawPacket(player.getUniqueId(), packet);
+    }
+
+    @Override
+    public void sendRawPacket(UUID uuid, ByteBuf packet) throws IllegalArgumentException {
+        if (!isPorted(uuid)) throw new IllegalArgumentException("This player is not on 1.9");
+        ConnectionInfo ci = portedPlayers.get(uuid);
+        ci.sendRawPacket(packet);
+    }
+
+    @Override
+    public BossBar createBossBar(String title, BossColor color, BossStyle style) {
+        return new ViaBossBar(title, 1F, color, style);
+    }
+
+    @Override
+    public BossBar createBossBar(String title, float health, BossColor color, BossStyle style) {
+        return new ViaBossBar(title, health, color, style);
+    }
+
+    @Override
+    public boolean isDebug() {
+        return this.debug;
+    }
+
+    public void setDebug(boolean value) {
+        this.debug = value;
+    }
+
+    @Override
+    public boolean isSyncedChunks() {
+        return getConfig().getBoolean("sync-chunks", true);
+    }
+
+    public boolean isPreventCollision() {
+        return getConfig().getBoolean("prevent-collision", true);
+    }
+
+    public boolean isAutoTeam() {
+        // Collision has to be enabled first
+        if (!isPreventCollision()) return false;
+        return getConfig().getBoolean("auto-team", true);
+    }
+
+    public void addPortedClient(ConnectionInfo info) {
+        portedPlayers.put(info.getUUID(), info);
+    }
+
+    public void removePortedClient(UUID clientID) {
+        portedPlayers.remove(clientID);
+    }
+
+    public void run(final Runnable runnable, boolean wait) {
+        try {
+            Future f = Bukkit.getScheduler().callSyncMethod(Bukkit.getPluginManager().getPlugin("ViaVersion"), new Callable<Boolean>() {
+                @Override
+                public Boolean call() throws Exception {
+                    runnable.run();
+                    return true;
+                }
+            });
+            if (wait) {
+                f.get(10, TimeUnit.SECONDS);
+            }
+        } catch (Exception e) {
+            System.out.println("Failed to run task.");
+            e.printStackTrace();
+        }
+    }
 }
@@ -1,17 +1,11 @@
 package us.myles.ViaVersion.api;

+import lombok.Getter;
+import lombok.Setter;
+
 public class ViaVersion {

-    private static ViaVersionAPI INSTANCE;
-
-    public static void setInstance(ViaVersionAPI api) {
-        if (INSTANCE != null) {
-            throw new IllegalStateException("Instance already set.");
-        }
-        INSTANCE = api;
-    }
-
-    public static ViaVersionAPI getInstance() {
-        return INSTANCE;
-    }
+    @Getter
+    @Setter
+    private static ViaVersionAPI instance;
 }
@@ -1,8 +1,87 @@
 package us.myles.ViaVersion.api;

+import io.netty.buffer.ByteBuf;
 import org.bukkit.entity.Player;
+import us.myles.ViaVersion.api.boss.BossBar;
+import us.myles.ViaVersion.api.boss.BossColor;
+import us.myles.ViaVersion.api.boss.BossStyle;
+
+import java.util.UUID;

 public interface ViaVersionAPI {
-
+    /**
+     * Is player using 1.9?
+     *
+     * @param player
+     * @return True if the client is on 1.9
+     */
    boolean isPorted(Player player);
+
+    /**
+     * Is player using 1.9?
+     *
+     * @param playerUUID
+     * @return True if the client is on 1.9
+     */
+    boolean isPorted(UUID playerUUID);
+
+    /**
+     * Get the version of the plugin
+     *
+     * @return Plugin version
+     */
+    String getVersion();
+
+    /**
+     * Send a raw packet to the player (Use new IDs)
+     *
+     * @param player The player to send packet
+     * @param packet The packet, you need a VarInt ID then the packet contents.
+     * @throws IllegalArgumentException If not on 1.9 throws IllegalArg
+     */
+    void sendRawPacket(Player player, ByteBuf packet) throws IllegalArgumentException;
+
+    /**
+     * Send a raw packet to the player (Use new IDs)
+     *
+     * @param uuid   The uuid from the player to send packet
+     * @param packet The packet, you need a VarInt ID then the packet contents.
+     * @throws IllegalArgumentException If not on 1.9 throws IllegalArg
+     */
+    void sendRawPacket(UUID uuid, ByteBuf packet) throws IllegalArgumentException;
+
+    /**
+     * Create a new bossbar instance
+     *
+     * @param title The title
+     * @param color The color
+     * @param style The style
+     * @return Bossbar instance
+     */
+    BossBar createBossBar(String title, BossColor color, BossStyle style);
+
+    /**
+     * Create a new bossbar instance
+     *
+     * @param title  The title
+     * @param health Number between 0 and 1
+     * @param color  The color
+     * @param style  The style
+     * @return Bossbar instance
+     */
+    BossBar createBossBar(String title, float health, BossColor color, BossStyle style);
+
+    /**
+     * Obtain if global debug is enabled
+     *
+     * @return true if debug is enabled
+     */
+    boolean isDebug();
+
+    /**
+     * Obtains if syncing chunks is on
+     *
+     * @return true if it is
+     */
+    boolean isSyncedChunks();
 }
@@ -0,0 +1,101 @@
+package us.myles.ViaVersion.api.boss;
+
+import org.bukkit.entity.Player;
+
+import java.util.Set;
+import java.util.UUID;
+
+public interface BossBar {
+    /**
+     * Change the title
+     *
+     * @param title Title can be in either JSON or just text
+     */
+    void setTitle(String title);
+
+    /**
+     * Change the health
+     *
+     * @param health this float has to be between 0F - 1F
+     */
+    void setHealth(float health);
+
+    /**
+     * Get the bossbar color
+     *
+     * @return
+     */
+    BossColor getColor();
+
+    /**
+     * Yay colors!
+     *
+     * @param color Whatever color you want!
+     */
+    void setColor(BossColor color);
+
+    /**
+     * Change the bosbar style
+     *
+     * @param style BossStyle
+     */
+    void setStyle(BossStyle style);
+
+    /**
+     * Show the bossbar to a player.
+     *
+     * @param player
+     */
+    void addPlayer(Player player);
+
+    /**
+     * Remove the bossbar from a player
+     *
+     * @param player
+     */
+    void removePlayer(Player player);
+
+    /**
+     * Add flags
+     *
+     * @param flag
+     */
+    void addFlag(BossFlag flag);
+
+    /**
+     * Remove flags.
+     *
+     * @param flag
+     */
+    void removeFlag(BossFlag flag);
+
+    /**
+     * @param flag
+     * @return
+     */
+    boolean hasFlag(BossFlag flag);
+
+    /**
+     * Get players
+     *
+     * @return UUIDS from players (sorry I lied)
+     */
+    Set<UUID> getPlayers();
+
+    /**
+     * Show the bossbar to everyone (In the getPlayer set)
+     */
+    void show();
+
+    /**
+     * Hide the bossbar from everyone (In the getPlayer set)
+     */
+    void hide();
+
+    /**
+     * Is it visible?
+     *
+     * @return visibility changable with show() and hide()
+     */
+    boolean isVisible();
+}
@@ -0,0 +1,18 @@
+package us.myles.ViaVersion.api.boss;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
+public enum BossColor {
+    PINK(0),
+    BLUE(1),
+    RED(2),
+    GREEN(3),
+    YELLOW(4),
+    PURPLE(5),
+    WHITE(6);
+
+    private final int id;
+}
@@ -0,0 +1,13 @@
+package us.myles.ViaVersion.api.boss;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
+public enum BossFlag {
+    DARKEN_SKY(1),
+    PLAY_BOSS_MUSIC(2);
+
+    private final int id;
+}
@@ -0,0 +1,16 @@
+package us.myles.ViaVersion.api.boss;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
+public enum BossStyle {
+    SOLID(0),
+    SEGMENTED_6(1),
+    SEGMENTED_10(2),
+    SEGMENTED_12(3),
+    SEGMENTED_20(4);
+
+    private final int id;
+}
@@ -0,0 +1,102 @@
+package us.myles.ViaVersion.armor;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import lombok.RequiredArgsConstructor;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.inventory.CraftingInventory;
+import us.myles.ViaVersion.ViaVersionPlugin;
+import us.myles.ViaVersion.api.ViaVersion;
+import us.myles.ViaVersion.packets.PacketType;
+
+import java.util.UUID;
+
+import static us.myles.ViaVersion.util.PacketUtil.*;
+
+@RequiredArgsConstructor
+public class ArmorListener implements Listener {
+
+    private static final UUID ARMOR_ATTRIBUTE = UUID.fromString("2AD3F246-FEE1-4E67-B886-69FD380BB150");
+    private final ViaVersionPlugin plugin;
+
+    public static void sendArmorUpdate(Player player) {
+        int armor = ArmorType.calculateArmorPoints(player.getInventory().getArmorContents());
+
+        ByteBuf buf = Unpooled.buffer();
+        writeVarInt(PacketType.PLAY_ENTITY_PROPERTIES.getNewPacketID(), buf);
+        writeVarInt(player.getEntityId(), buf);
+        buf.writeInt(1); // only 1 property
+        writeString("generic.armor", buf);
+        buf.writeDouble(0); //default 0 armor
+        writeVarInt(1, buf); // 1 modifier
+        writeUUID(ARMOR_ATTRIBUTE, buf); // armor modifier uuid
+        buf.writeDouble((double) armor); // the modifier value
+        buf.writeByte(0); // the modifier operation, 0 is add number
+
+        ViaVersion.getInstance().sendRawPacket(player, buf);
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onInventoryClick(InventoryClickEvent e) {
+        HumanEntity human = e.getWhoClicked();
+        if (human instanceof Player && e.getInventory() instanceof CraftingInventory) {
+            final Player player = (Player) human;
+            if (ViaVersion.getInstance().isPorted(player)) {
+                if (e.getCurrentItem() != null) {
+                    if (ArmorType.isArmor(e.getCurrentItem().getType())) {
+                        sendDelayedArmorUpdate(player);
+                        return;
+                    }
+                }
+                if (e.getRawSlot() >= 5 && e.getRawSlot() <= 8) {
+                    sendDelayedArmorUpdate(player);
+                }
+            }
+        }
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onInteract(PlayerInteractEvent e) {
+        if (e.getItem() != null) {
+            if (e.getAction() == Action.RIGHT_CLICK_AIR || e.getAction() == Action.RIGHT_CLICK_BLOCK) {
+                if (ArmorType.isArmor(e.getMaterial())) {
+                    final Player player = e.getPlayer();
+                    // Due to odd bugs it's 3 ticks later
+                    Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() {
+                        @Override
+                        public void run() {
+                            if (ViaVersion.getInstance().isPorted(player)) {
+                                sendArmorUpdate(player);
+                            }
+                        }
+                    }, 3L);
+                }
+            }
+        }
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onJoin(PlayerJoinEvent e) {
+        sendDelayedArmorUpdate(e.getPlayer());
+    }
+
+    public void sendDelayedArmorUpdate(final Player player) {
+        Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() {
+            @Override
+            public void run() {
+                if (ViaVersion.getInstance().isPorted(player)) {
+                    sendArmorUpdate(player);
+                }
+            }
+        });
+    }
+}
@@ -0,0 +1,81 @@
+package us.myles.ViaVersion.armor;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+
+@RequiredArgsConstructor
+@Getter
+public enum ArmorType {
+
+    LEATHER_HELMET(1, 298, Material.LEATHER_HELMET),
+    LEATHER_CHESTPLATE(3, 299, Material.LEATHER_CHESTPLATE),
+    LEATHER_LEGGINGS(2, 300, Material.LEATHER_LEGGINGS),
+    LEATHER_BOOTS(1, 301, Material.LEATHER_BOOTS),
+    CHAINMAIL_HELMET(2, 302, Material.CHAINMAIL_HELMET),
+    CHAINMAIL_CHESTPLATE(5, 303, Material.CHAINMAIL_CHESTPLATE),
+    CHAINMAIL_LEGGINGS(4, 304, Material.CHAINMAIL_LEGGINGS),
+    CHAINMAIL_BOOTS(1, 305, Material.CHAINMAIL_BOOTS),
+    IRON_HELMET(2, 306, Material.IRON_HELMET),
+    IRON_CHESTPLATE(6, 307, Material.IRON_CHESTPLATE),
+    IRON_LEGGINGS(5, 308, Material.IRON_LEGGINGS),
+    IRON_BOOTS(2, 309, Material.IRON_BOOTS),
+    DIAMOND_HELMET(3, 310, Material.DIAMOND_HELMET),
+    DIAMOND_CHESTPLATE(8, 311, Material.DIAMOND_CHESTPLATE),
+    DIAMOND_LEGGINGS(6, 312, Material.DIAMOND_LEGGINGS),
+    DIAMOND_BOOTS(3, 313, Material.DIAMOND_BOOTS),
+    GOLD_HELMET(2, 314, Material.GOLD_HELMET),
+    GOLD_CHESTPLATE(5, 315, Material.GOLD_CHESTPLATE),
+    GOLD_LEGGINGS(3, 316, Material.GOLD_LEGGINGS),
+    GOLD_BOOTS(1, 317, Material.GOLD_BOOTS),
+    NONE(0, 0, Material.AIR);
+
+    private final int armorPoints;
+    private final int id;
+    private final Material type;
+
+    public static ArmorType findByType(Material type) {
+        for(ArmorType a : ArmorType.values())
+            if(a.getType() == type)
+                return a;
+        return ArmorType.NONE;
+    }
+
+    public static int calculateArmorPoints(ItemStack[] armor) {
+        int total = 0;
+        for (ItemStack anArmor : armor) {
+            if (anArmor != null)
+                total += findByType(anArmor.getType()).getArmorPoints();
+        }
+        return total;
+    }
+
+    public static ArmorType findById(int id) {
+        for(ArmorType a : ArmorType.values())
+            if(a.getId() == id)
+                return a;
+        return ArmorType.NONE;
+    }
+
+    public static boolean isArmor(Material material){
+        for(ArmorType a : ArmorType.values())
+            if(a.getType() == material)
+                return true;
+        return false;
+    }
+
+    public static int calculateArmorPoints(int[] armor) {
+        int total = 0;
+        for (int anArmor : armor) {
+            if (anArmor != -1)
+                total += findById(anArmor).getArmorPoints();
+        }
+        return total;
+    }
+
+    public Material getType() {
+        return this.type;
+    }
+
+}
@@ -0,0 +1,213 @@
+package us.myles.ViaVersion.boss;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.apache.commons.lang.Validate;
+import org.bukkit.entity.Player;
+import us.myles.ViaVersion.api.ViaVersion;
+import us.myles.ViaVersion.api.boss.BossBar;
+import us.myles.ViaVersion.api.boss.BossColor;
+import us.myles.ViaVersion.api.boss.BossFlag;
+import us.myles.ViaVersion.api.boss.BossStyle;
+import us.myles.ViaVersion.packets.PacketType;
+import us.myles.ViaVersion.transformers.OutgoingTransformer;
+import us.myles.ViaVersion.util.PacketUtil;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+@Getter
+public class ViaBossBar implements BossBar {
+    private UUID uuid;
+    private String title;
+    private float health;
+    private BossColor color;
+    private BossStyle style;
+    private Set<UUID> players;
+    private boolean visible;
+    private Set<BossFlag> flags;
+
+    public ViaBossBar(String title, float health, BossColor color, BossStyle style) {
+        Validate.notNull(title, "Title cannot be null");
+        Validate.isTrue((health >= 0 && health <= 1), "Health must be between 0 and 1");
+        this.uuid = UUID.randomUUID();
+        this.title = title;
+        this.health = health;
+        this.color = color == null ? BossColor.PURPLE : color;
+        this.style = style == null ? BossStyle.SOLID : style;
+        this.players = new HashSet<>();
+        this.flags = new HashSet<>();
+        visible = true;
+    }
+
+    @Override
+    public void setTitle(String title) {
+        Validate.notNull(title, "Title cannot be null");
+        this.title = title;
+        sendPacket(UpdateAction.UPDATE_TITLE);
+    }
+
+    @Override
+    public void setHealth(float health) {
+        Validate.isTrue((health >= 0 && health <= 1), "Health must be between 0 and 1");
+        this.health = health;
+        sendPacket(UpdateAction.UPDATE_HEALTH);
+    }
+
+    @Override
+    public BossColor getColor() {
+        return color;
+    }
+
+    @Override
+    public void setColor(BossColor color) {
+        Validate.notNull(color, "Color cannot be null");
+        this.color = color;
+        sendPacket(UpdateAction.UPDATE_STYLE);
+    }
+
+    @Override
+    public void setStyle(BossStyle style) {
+        Validate.notNull(style, "Style cannot be null");
+        this.style = style;
+        sendPacket(UpdateAction.UPDATE_STYLE);
+    }
+
+    @Override
+    public void addPlayer(Player player) {
+        if (player != null && !players.contains(player.getUniqueId())) {
+            players.add(player.getUniqueId());
+            if (visible)
+                sendPacket(player.getUniqueId(), getPacket(UpdateAction.ADD));
+        }
+    }
+
+    @Override
+    public void removePlayer(Player player) {
+        if (player != null && players.contains(player.getUniqueId())) {
+            players.remove(player.getUniqueId());
+            sendPacket(player.getUniqueId(), getPacket(UpdateAction.REMOVE));
+        }
+    }
+
+    @Override
+    public void addFlag(BossFlag flag) {
+        if (!hasFlag(flag))
+            flags.add(flag);
+        sendPacket(UpdateAction.UPDATE_FLAGS);
+    }
+
+    @Override
+    public void removeFlag(BossFlag flag) {
+        if (hasFlag(flag))
+            flags.remove(flag);
+        sendPacket(UpdateAction.UPDATE_FLAGS);
+    }
+
+    @Override
+    public boolean hasFlag(BossFlag flag) {
+        return flags.contains(flag);
+    }
+
+    @Override
+    public Set<UUID> getPlayers() {
+        return Collections.unmodifiableSet(players);
+    }
+
+    @Override
+    public void show() {
+        setVisible(true);
+    }
+
+    @Override
+    public void hide() {
+        setVisible(false);
+    }
+
+    @Override
+    public boolean isVisible() {
+        return visible;
+    }
+
+    private void setVisible(boolean value) {
+        if (visible != value) {
+            visible = value;
+            sendPacket(value ? UpdateAction.ADD : UpdateAction.REMOVE);
+        }
+    }
+
+    private void sendPacket(UpdateAction action) {
+        ByteBuf buf = getPacket(action);
+        for (UUID uuid : players)
+            sendPacket(uuid, buf);
+    }
+
+    private void sendPacket(UUID uuid, ByteBuf buf) {
+        if (!ViaVersion.getInstance().isPorted(uuid)) {
+            players.remove(uuid);
+            return;
+        }
+        ViaVersion.getInstance().sendRawPacket(uuid, buf);
+    }
+
+    private ByteBuf getPacket(UpdateAction action) {
+        ByteBuf buf = Unpooled.buffer();
+        PacketUtil.writeVarInt(PacketType.PLAY_BOSS_BAR.getNewPacketID(), buf);
+        PacketUtil.writeUUID(uuid, buf);
+        PacketUtil.writeVarInt(action.getId(), buf);
+        switch (action) {
+            case ADD:
+                PacketUtil.writeString(fixJson(title), buf);
+                buf.writeFloat(health);
+                PacketUtil.writeVarInt(color.getId(), buf);
+                PacketUtil.writeVarInt(style.getId(), buf);
+                buf.writeByte(flagToBytes());
+                break;
+            case REMOVE:
+                break;
+            case UPDATE_HEALTH:
+                buf.writeFloat(health);
+                break;
+            case UPDATE_TITLE:
+                PacketUtil.writeString(fixJson(title), buf);
+                break;
+            case UPDATE_STYLE:
+                PacketUtil.writeVarInt(color.getId(), buf);
+                PacketUtil.writeVarInt(style.getId(), buf);
+                break;
+            case UPDATE_FLAGS:
+                buf.writeByte(flagToBytes());
+                break;
+        }
+
+        return buf;
+    }
+
+    private int flagToBytes() {
+        int bitmask = 0;
+        for (BossFlag flag : flags)
+            bitmask |= flag.getId();
+        return bitmask;
+    }
+
+    private String fixJson(String text) {
+        return OutgoingTransformer.fixJson(text);
+    }
+
+    @RequiredArgsConstructor
+    @Getter
+    private enum UpdateAction {
+        ADD(0),
+        REMOVE(1),
+        UPDATE_HEALTH(2),
+        UPDATE_TITLE(3),
+        UPDATE_STYLE(4),
+        UPDATE_FLAGS(5);
+
+        private final int id;
+    }
+}
@@ -1,52 +0,0 @@
-package us.myles.ViaVersion.chunks;
-
-public class ByteWriter {
-    private final byte[] bytes;
-    private int byteIndex;
-    private int bitIndex;
-
-    public ByteWriter(int size) {
-        this.bytes = new byte[size];
-        this.byteIndex = 0;
-        this.bitIndex = 0;
-    }
-
-    public byte[] getOutput() {
-        return this.bytes;
-    }
-
-    public void writeFullByte(int b){
-        writeByte(b, 8);
-    }
-
-    public void writeByte(int b, int length) {
-        byte current = getCurrentByte();
-        byte byteB = (byte)(int)((b) & 0xff);
-        System.out.println("Input: " + byteB);
-        System.out.println(Integer.toBinaryString(byteB));
-
-        int space = (8 - bitIndex);
-        int written = space > length ? length : space;
-        System.out.println("Written is " + written);
-        bytes[byteIndex] = (byte) (current | (extractRange(byteB, 0, written) >> (bitIndex - 1)));
-        System.out.println("output value: " + bytes[byteIndex]);
-        this.bitIndex += length;
-        if(this.bitIndex >= 8) {
-            this.byteIndex += 1;
-            this.bitIndex = bitIndex - 8;
-            // write remaining into this
-            System.out.println("Writing from " + written + " to " + (written + bitIndex));
-            System.out.println("Value: " + extractRange(byteB, written, written + bitIndex));
-            bytes[byteIndex] = (byte) (extractRange(byteB, written, written + bitIndex) << written);
-        }
-    }
-
-    private byte extractRange(int in, int begin, int end){
-        return (byte) ((in >> begin) & ((1 << (end - begin)) - 1));
-    }
-    public byte getCurrentByte() {
-        if(byteIndex == bytes.length) throw new RuntimeException("ByteWriter overflow!");
-
-        return bytes[byteIndex];
-    }
-}
@@ -1,16 +0,0 @@
-package us.myles.ViaVersion.chunks;
-
-import java.util.BitSet;
-
-public class MagicBitSet extends BitSet{
-    private final int initLength;
-
-    public MagicBitSet(int nbits) {
-        super(nbits);
-        this.initLength = nbits;
-    }
-
-    public int getTrueLength() {
-        return length() == 0 ? initLength : length();
-    }
-}
@@ -1,19 +0,0 @@
-package us.myles.ViaVersion.chunks;
-
-public class PacketChunk {
-    private PacketChunkData[] chunkData;
-    private byte[] biomeData;
-
-    public PacketChunk(PacketChunkData[] chunkData, byte[] biomeData) {
-        this.chunkData = chunkData;
-        this.biomeData = biomeData;
-    }
-
-    public PacketChunkData[] getChunkData() {
-        return chunkData;
-    }
-
-    public byte[] getBiomeData() {
-        return biomeData;
-    }
-}
@@ -1,25 +0,0 @@
-package us.myles.ViaVersion.chunks;
-
-public class PacketChunkData {
-    private short[] blocks = new short[4096];
-    private byte[] blockLight = new byte[2048];
-    private byte[] skyLight;
-
-    public PacketChunkData(boolean isSkyLightData) {
-        if(isSkyLightData){
-            skyLight = new byte[2048];
-        }
-    }
-
-    public short[] getBlocks() {
-        return this.blocks;
-    }
-
-    public byte[] getBlockLight() {
-        return this.blockLight;
-    }
-
-    public byte[] getSkyLight() {
-        return this.skyLight;
-    }
-}
@@ -0,0 +1,75 @@
+package us.myles.ViaVersion.commands;
+
+import lombok.RequiredArgsConstructor;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import us.myles.ViaVersion.ViaVersionPlugin;
+import us.myles.ViaVersion.api.ViaVersion;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by fillefilip8 on 2016-03-03.
+ */
+@RequiredArgsConstructor
+public class ViaVersionCommand implements CommandExecutor {
+
+    private final ViaVersionPlugin plugin;
+
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
+        if (sender.hasPermission("viaversion.admin")) {
+            if (args.length == 0) {
+                sender.sendMessage(color("&aViaVersion &c" + ViaVersion.getInstance().getVersion()));
+                sender.sendMessage(color("&6Commands:"));
+                sender.sendMessage(color("&2/viaversion list &7- &6Shows lists of all 1.9 clients and 1.8 clients."));
+                sender.sendMessage(color("&2/viaversion autoteam &7- &6Toggle automatically teaming to prevent colliding."));
+                sender.sendMessage(color("&2/viaversion dontbugme &7- &6Toggle checking for updates."));
+            } else if (args.length == 1) {
+                if (args[0].equalsIgnoreCase("list")) {
+                    List<String> portedPlayers = new ArrayList<>();
+                    List<String> normalPlayers = new ArrayList<>();
+                    for (Player p : Bukkit.getOnlinePlayers()) {
+                        if (ViaVersion.getInstance().isPorted(p)) {
+                            portedPlayers.add(p.getName());
+                        } else {
+                            normalPlayers.add(p.getName());
+                        }
+                    }
+
+                    sender.sendMessage(color("&8[&61.9&8]: &b" + portedPlayers.toString()));
+                    sender.sendMessage(color("&8[&61.8&8]: &b" + normalPlayers.toString()));
+                }
+                if (args[0].equalsIgnoreCase("debug")) {
+                    plugin.setDebug(!plugin.isDebug());
+                    sender.sendMessage(color("&6Debug mode is now " + (plugin.isDebug() ? "&aenabled" : "&cdisabled")));
+                }
+                if (args[0].equalsIgnoreCase("dontbugme")) {
+                    boolean newValue = !plugin.getConfig().getBoolean("checkforupdates", true);
+                    plugin.getConfig().set("checkforupdates", newValue);
+                    plugin.saveConfig();
+                    sender.sendMessage(color("&6We will " + (newValue ? "&anotify you about updates." : "&cnot tell you about updates.")));
+                }
+                if (args[0].equalsIgnoreCase("autoteam")) {
+                    boolean newValue = !plugin.getConfig().getBoolean("auto-team", true);
+                    plugin.getConfig().set("auto-team", newValue);
+                    plugin.saveConfig();
+                    sender.sendMessage(color("&6We will " + (newValue ? "&aautomatically team players" : "&cno longer auto team players")));
+                    sender.sendMessage(color("&6All players will need to re-login for the change to take place."));
+
+                }
+            }
+
+        }
+        return false;
+    }
+
+    public String color(String string) {
+        return string.replace("&", "§");
+    }
+}
@@ -8,10 +8,10 @@ import us.myles.ViaVersion.ConnectionInfo;
 import us.myles.ViaVersion.transformers.IncomingTransformer;
 import us.myles.ViaVersion.util.PacketUtil;

-import java.nio.channels.ClosedChannelException;
 import java.util.List;

 public class ViaDecodeHandler extends ByteToMessageDecoder {
+
    private final IncomingTransformer incomingTransformer;
    private final ByteToMessageDecoder minecraftDecoder;
    private final ConnectionInfo info;
@@ -32,9 +32,10 @@ public class ViaDecodeHandler extends ByteToMessageDecoder {
                ByteBuf newPacket = ctx.alloc().buffer();
                try {
                    incomingTransformer.transform(id, bytebuf, newPacket);
+                    bytebuf.clear();
                    bytebuf = newPacket;
                } catch (CancelException e) {
-                    bytebuf.readBytes(bytebuf.readableBytes());
+                    bytebuf.clear();
                    throw e;
                }
            }
@@ -45,18 +46,7 @@ public class ViaDecodeHandler extends ByteToMessageDecoder {

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
-        if (!(cause.getCause().getCause() instanceof CancelException)
-                && !(cause.getCause().getCause() instanceof ClosedChannelException)) {
-            if (!(cause.getCause() instanceof CancelException)
-                    && !(cause.getCause() instanceof ClosedChannelException)) {
-                if (!(cause instanceof CancelException)
-                        && !(cause instanceof ClosedChannelException)) {
-                    if (cause instanceof Exception){
-                        cause.printStackTrace();
-                    }
-                }
-            }
-        }
+        if (PacketUtil.containsCause(cause, CancelException.class)) return;
+        super.exceptionCaught(ctx, cause);
    }
-
 }
@@ -10,7 +10,7 @@ import us.myles.ViaVersion.util.PacketUtil;
 import us.myles.ViaVersion.util.ReflectionUtil;

 import java.lang.reflect.Constructor;
-import java.nio.channels.ClosedChannelException;
+import java.lang.reflect.InvocationTargetException;

 public class ViaEncodeHandler extends MessageToByteEncoder {
    private final ConnectionInfo info;
@@ -25,27 +25,39 @@ public class ViaEncodeHandler extends MessageToByteEncoder {


    @Override
-    protected void encode(ChannelHandlerContext ctx, Object o, ByteBuf bytebuf) throws Exception {
+    protected void encode(final ChannelHandlerContext ctx, Object o, final ByteBuf bytebuf) throws Exception {
        // handle the packet type
        if (!(o instanceof ByteBuf)) {
            info.setLastPacket(o);
            /* This transformer is more for fixing issues which we find hard at packet level :) */
            if (o.getClass().getName().endsWith("PacketPlayOutMapChunkBulk") && info.isActive()) {
-                int[] locX = ReflectionUtil.get(o, "a", int[].class);
-                int[] locZ = ReflectionUtil.get(o, "b", int[].class);
+                final int[] locX = ReflectionUtil.get(o, "a", int[].class);
+                final int[] locZ = ReflectionUtil.get(o, "b", int[].class);

-                Object world = ReflectionUtil.get(o, "world", ReflectionUtil.nms("World"));
+                final Object world = ReflectionUtil.get(o, "world", ReflectionUtil.nms("World"));
                Class<?> mapChunk = ReflectionUtil.nms("PacketPlayOutMapChunk");
-                Constructor constructor = mapChunk.getDeclaredConstructor(ReflectionUtil.nms("Chunk"), boolean.class, int.class);
-                for (int i = 0; i < locX.length; i++) {
-                    int x = locX[i];
-                    int z = locZ[i];
-                    // world invoke function
-                    Object chunk = ReflectionUtil.nms("World").getDeclaredMethod("getChunkAt", int.class, int.class).invoke(world, x, z);
-                    Object packet = constructor.newInstance(chunk, true, 65535);
-                    ctx.pipeline().writeAndFlush(packet);
-                }
-                bytebuf.readBytes(bytebuf.readableBytes());
+                final Constructor constructor = mapChunk.getDeclaredConstructor(ReflectionUtil.nms("Chunk"), boolean.class, int.class);
+                Runnable chunks = new Runnable() {
+
+                    @Override
+                    public void run() {
+
+                        for (int i = 0; i < locX.length; i++) {
+                            int x = locX[i];
+                            int z = locZ[i];
+                            // world invoke function
+                            try {
+                                Object chunk = ReflectionUtil.nms("World").getDeclaredMethod("getChunkAt", int.class, int.class).invoke(world, x, z);
+                                Object packet = constructor.newInstance(chunk, true, 65535);
+                                ctx.pipeline().writeAndFlush(packet);
+                            } catch (InstantiationException | InvocationTargetException | ClassNotFoundException | IllegalAccessException | NoSuchMethodException e) {
+                                e.printStackTrace();
+                            }
+                        }
+                    }
+                };
+                chunks.run();
+                bytebuf.clear();
                throw new CancelException();
            }
            // call minecraft encoder
@@ -62,7 +74,7 @@ public class ViaEncodeHandler extends MessageToByteEncoder {
            try {
                outgoingTransformer.transform(id, oldPacket, bytebuf);
            } catch (CancelException e) {
-                bytebuf.readBytes(bytebuf.readableBytes());
+                bytebuf.clear();
                throw e;
            } finally {
                oldPacket.release();
@@ -72,16 +84,7 @@ public class ViaEncodeHandler extends MessageToByteEncoder {

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
-        if (!(cause.getCause().getCause() instanceof CancelException)
-                && !(cause.getCause().getCause() instanceof ClosedChannelException)) {
-            if (!(cause.getCause() instanceof CancelException)
-                    && !(cause.getCause() instanceof ClosedChannelException)) {
-                if (!(cause instanceof CancelException)
-                        && !(cause instanceof ClosedChannelException)) {
-                    if (cause instanceof Exception)
-                        cause.printStackTrace();
-                }
-            }
-        }
+        if (PacketUtil.containsCause(cause, CancelException.class)) return;
+        super.exceptionCaught(ctx, cause);
    }
 }
@@ -10,6 +10,7 @@ import us.myles.ViaVersion.ConnectionInfo;
 import java.lang.reflect.Method;

 public class ViaVersionInitializer extends ChannelInitializer<SocketChannel> {
+
    private final ChannelInitializer<SocketChannel> oldInit;
    private Method method;

@@ -0,0 +1,62 @@
+package us.myles.ViaVersion.listeners;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import lombok.RequiredArgsConstructor;
+import org.bukkit.block.Block;
+import org.bukkit.block.CommandBlock;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import us.myles.ViaVersion.ViaVersionPlugin;
+import us.myles.ViaVersion.packets.PacketType;
+import us.myles.ViaVersion.util.PacketUtil;
+import us.myles.ViaVersion.util.ReflectionUtil;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+@RequiredArgsConstructor
+public class CommandBlockListener implements Listener {
+
+    private final ViaVersionPlugin plugin;
+
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.MONITOR)
+    public void onJoin(final PlayerJoinEvent e) {
+        if (e.getPlayer().isOp() && plugin.isPorted(e.getPlayer())) {
+            ByteBuf buf = Unpooled.buffer();
+            PacketUtil.writeVarInt(PacketType.PLAY_ENTITY_STATUS.getNewPacketID(), buf);
+            buf.writeInt(e.getPlayer().getEntityId());
+            buf.writeByte(26);
+            plugin.sendRawPacket(e.getPlayer(), buf);
+        }
+    }
+
+    @EventHandler(ignoreCancelled = true)
+    public void onInteract(PlayerInteractEvent e) {
+        if (e.getAction() == Action.RIGHT_CLICK_BLOCK && plugin.isPorted(e.getPlayer()) && e.getPlayer().isOp()) {
+            try {
+                sendCommandBlockPacket(e.getClickedBlock(), e.getPlayer());
+            } catch (NoSuchFieldException | IllegalAccessException | InvocationTargetException | NoSuchMethodException | ClassNotFoundException e1) {
+                e1.printStackTrace();
+            }
+        }
+    }
+
+    private void sendCommandBlockPacket(Block b, Player player) throws NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException, ClassNotFoundException {
+        if (!(b.getState() instanceof CommandBlock))
+            return;
+        CommandBlock cmd = (CommandBlock) b.getState();
+
+        Object tileEntityCommand = ReflectionUtil.get(cmd, "commandBlock", ReflectionUtil.nms("TileEntityCommand"));
+        Object updatePacket = ReflectionUtil.invoke(tileEntityCommand, "getUpdatePacket");
+        Object nmsPlayer = ReflectionUtil.invoke(player, "getHandle");
+        Object playerConnection = ReflectionUtil.get(nmsPlayer, "playerConnection", ReflectionUtil.nms("PlayerConnection"));
+        Method sendPacket = playerConnection.getClass().getMethod("sendPacket", ReflectionUtil.nms("Packet"));
+        sendPacket.invoke(playerConnection, updatePacket); //Let the transformer do the work
+    }
+}
@@ -1,7 +1,9 @@
 package us.myles.ViaVersion.metadata;

+import lombok.Getter;
 import org.bukkit.entity.*;

+@Getter
 public enum MetaIndex {

    // entity
@@ -27,10 +29,10 @@ public enum MetaIndex {
    STAND_LL_POS(ArmorStand.class, 15, Type.Rotation, NewType.Vector3F),
    STAND_RL_POS(ArmorStand.class, 16, Type.Rotation, NewType.Vector3F),
    // human, discountined?
-    PLAYER_SKIN_FLAGS(HumanEntity.class, 10, Type.Byte, NewType.Discontinued), // unsigned on 1.8
+    PLAYER_SKIN_FLAGS(HumanEntity.class, 10, Type.Byte, 12, NewType.Byte), // unsigned on 1.8
    PLAYER_HUMAN_BYTE(HumanEntity.class, 16, Type.Byte, NewType.Discontinued), // unused on 1.8
-    PLAYER_ADDITIONAL_HEARTS(HumanEntity.class, 17, Type.Float, NewType.Discontinued),
-    PLAYER_SCORE(HumanEntity.class, 18, Type.Int, NewType.Discontinued),
+    PLAYER_ADDITIONAL_HEARTS(HumanEntity.class, 17, Type.Float, 10, NewType.Float),
+    PLAYER_SCORE(HumanEntity.class, 18, Type.Int, 11, NewType.VarInt),
    // horse
    HORSE_INFO(Horse.class, 16, Type.Int, 12, NewType.Byte),
    HORSE_TYPE(Horse.class, 19, Type.Byte, 13, NewType.VarInt),
@@ -105,8 +107,11 @@ public enum MetaIndex {
    MINECART_BLOCK(Minecart.class, 20, Type.Int, 8, NewType.VarInt),
    MINECART_BLOCK_Y(Minecart.class, 21, Type.Int, 9, NewType.VarInt),
    MINECART_SHOWBLOCK(Minecart.class, 22, Type.Byte, 10, NewType.Boolean),
+    // Command minecart (they are still broken)
+    MINECART_COMMANDBLOCK_COMMAND(Minecart.class, 23, Type.String, 11, NewType.String),
+    MINECART_COMMANDBLOCK_OUTPUT(Minecart.class, 24, Type.String, 12, NewType.Chat),
    // furnace cart
-    FURNACECART_ISPOWERED(org.bukkit.entity.minecart.PoweredMinecart.class, 16, Type.Byte, 11, NewType.Boolean),
+    FURNACECART_ISPOWERED(Minecart.class, 16, Type.Byte, 11, NewType.Boolean),
    // item drop
    ITEM_ITEM(Item.class, 10, Type.Slot, 5, NewType.Slot),
    // arrow
@@ -141,36 +146,16 @@ public enum MetaIndex {
        this.newType = newType;
    }

-    public int getNewIndex() {
-        return newIndex;
-    }
-
-    public NewType getNewType() {
-        return newType;
-    }
-
-    public Type getOldType() {
-        return oldType;
-    }
-
-    public int getIndex() {
-        return index;
-    }
-
-    public Class<?> getApplicableClass() {
-        return this.clazz;
-    }
-
    public static MetaIndex getIndex(EntityType type, int index) {
        Class<? extends org.bukkit.entity.Entity> entityClass = type.getEntityClass();
-        if(entityClass == null){
+        if (entityClass == null) {
            System.out.println("Could not get entity class for " + type);
            return null;
        }
        for (MetaIndex mi : MetaIndex.values()) {
            if (mi.getIndex() == index) {
                // To fix issue with armour stands colliding with new values
-                if(mi.getApplicableClass().equals(LivingEntity.class)) continue;
+                if (mi.getApplicableClass().equals(LivingEntity.class)) continue;

                if ((mi.getApplicableClass().isAssignableFrom(entityClass) ||
                        mi.getApplicableClass().equals(entityClass))) {
@@ -189,5 +174,9 @@ public enum MetaIndex {
        }
        return null;
    }
+
+    public Class<?> getApplicableClass() {
+        return this.clazz;
+    }
 }

@@ -1,26 +1,26 @@
 package us.myles.ViaVersion.metadata;

-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.UUID;
-
+import io.netty.buffer.ByteBuf;
+import lombok.Getter;
+import lombok.Setter;
 import org.bukkit.entity.EntityType;
 import org.bukkit.util.EulerAngle;
 import org.bukkit.util.Vector;
-
-import io.netty.buffer.ByteBuf;
-
+import us.myles.ViaVersion.slot.ItemSlotRewriter;
+import us.myles.ViaVersion.slot.ItemSlotRewriter.ItemStack;
+import us.myles.ViaVersion.transformers.OutgoingTransformer;
 import us.myles.ViaVersion.util.PacketUtil;

+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
 public class MetadataRewriter {

    public static void writeMetadata1_9(EntityType type, List<Entry> list, ByteBuf output) {
        short id = -1;
        int data = -1;
-        Iterator<Entry> iterator = list.iterator();
-        while (iterator.hasNext()) {
-            Entry entry = iterator.next(); //
+        for (Entry entry : list) {
            MetaIndex metaIndex = entry.index;
            try {
                if (metaIndex.getNewType() != NewType.Discontinued) {
@@ -33,7 +33,7 @@ public class MetadataRewriter {
                        case Byte:
                            // convert from int, byte
                            if (metaIndex.getOldType() == Type.Byte) {
-                                output.writeByte(((Byte) value).byteValue());
+                                output.writeByte((Byte) value);
                            }
                            if (metaIndex.getOldType() == Type.Int) {
                                output.writeByte(((Integer) value).byteValue());
@@ -50,15 +50,15 @@ public class MetadataRewriter {
                            }
                            output.writeBoolean(toWrite != null);
                            if (toWrite != null)
-                                PacketUtil.writeUUID((UUID) toWrite, output);
+                                PacketUtil.writeUUID(toWrite, output);
                            break;
                        case BlockID:
                            // if we have both sources :))
                            if (metaIndex.getOldType() == Type.Byte) {
-                                data = ((Byte) value).byteValue();
+                                data = (Byte) value;
                            }
                            if (metaIndex.getOldType() == Type.Short) {
-                                id = ((Short) value).shortValue();
+                                id = (Short) value;
                            }
                            if (id != -1 && data != -1) {
                                int combined = id << 4 | data;
@@ -76,20 +76,25 @@ public class MetadataRewriter {
                                PacketUtil.writeVarInt(((Short) value).intValue(), output);
                            }
                            if (metaIndex.getOldType() == Type.Int) {
-                                PacketUtil.writeVarInt(((Integer) value).intValue(), output);
+                                PacketUtil.writeVarInt((Integer) value, output);
                            }
                            break;
                        case Float:
-                            output.writeFloat(((Float) value).floatValue());
+                            output.writeFloat((Float) value);
                            break;
                        case String:
                            PacketUtil.writeString((String) value, output);
                            break;
                        case Boolean:
-                            output.writeBoolean(((Byte) value).byteValue() != 0);
+                            if (metaIndex == MetaIndex.AGEABLE_AGE)
+                                output.writeBoolean((Byte) value < 0);
+                            else
+                                output.writeBoolean((Byte) value != 0);
                            break;
                        case Slot:
-                            PacketUtil.writeItem(value, output);
+                            ItemStack item = (ItemStack) value;
+                            ItemSlotRewriter.fixIdsFrom1_8To1_9(item);
+                            ItemSlotRewriter.writeItemStack(item, output);
                            break;
                        case Position:
                            Vector vector = (Vector) value;
@@ -103,18 +108,23 @@ public class MetadataRewriter {
                            output.writeFloat((float) angle.getY());
                            output.writeFloat((float) angle.getZ());
                            break;
+                        case Chat:
+                            PacketUtil.writeString(OutgoingTransformer.fixJson((String) value), output);
+                            break;
                        default:
                            System.out.println("[Out] Unhandled MetaDataType: " + metaIndex.getNewType());
                            break;
                    }
                }
            } catch (Exception e) {
-                if (type != null) {
-                    System.out.println("An error occurred with entity meta data for " + type);
-                    if (metaIndex != null) {
-                        System.out.println("Old ID: " + metaIndex.getIndex() + " New ID: " + metaIndex.getNewIndex());
-                        System.out.println("Old Type: " + metaIndex.getOldType() + " New Type: " + metaIndex.getNewType());
-                    }
+                System.out.println("INCLUDE THIS IN YOUR ERROR LOG!");
+                if (type != null)
+                    System.out.println("An error occurred with entity meta data for " + type + " OldID: " + entry.oldID);
+                else
+                    System.out.println("An error occurred with entity meta data for UNKOWN_ENTITY OldID: " + entry.oldID);
+                if (metaIndex != null) {
+                    System.out.println("Old ID: " + metaIndex.getIndex() + " New ID: " + metaIndex.getNewIndex());
+                    System.out.println("Old Type: " + metaIndex.getOldType() + " New Type: " + metaIndex.getNewType());
                }
                e.printStackTrace();
            }
@@ -131,35 +141,40 @@ public class MetadataRewriter {
            MetaIndex index = MetaIndex.getIndex(entityType, id);
            switch (type) {
                case Byte:
-                    entries.add(new Entry(index, buf.readByte()));
+                    entries.add(new Entry(index, buf.readByte(), id));
                    break;
                case Short:
-                    entries.add(new Entry(index, buf.readShort()));
+                    entries.add(new Entry(index, buf.readShort(), id));
                    break;
                case Int:
-                    entries.add(new Entry(index, buf.readInt()));
+                    entries.add(new Entry(index, buf.readInt(), id));
                    break;
                case Float:
-                    entries.add(new Entry(index, buf.readFloat()));
+                    entries.add(new Entry(index, buf.readFloat(), id));
                    break;
                case String:
-                    entries.add(new Entry(index, PacketUtil.readString(buf)));
-                    break;
-                case Slot:
-                    entries.add(new Entry(index, PacketUtil.readItem(buf)));
+                    entries.add(new Entry(index, PacketUtil.readString(buf), id));
                    break;
+                case Slot: {
+                    try {
+                        entries.add(new Entry(index, ItemSlotRewriter.readItemStack(buf), id));
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+                break;
                case Position: {
                    int x = buf.readInt();
                    int y = buf.readInt();
                    int z = buf.readInt();
-                    entries.add(new Entry(index, new Vector(x, y, z)));
+                    entries.add(new Entry(index, new Vector(x, y, z), id));
                    break;
                }
                case Rotation: {
                    float x = buf.readFloat();
                    float y = buf.readFloat();
                    float z = buf.readFloat();
-                    entries.add(new Entry(index, new EulerAngle(x, y, z)));
+                    entries.add(new Entry(index, new EulerAngle(x, y, z), id));
                    break;
                }
                default:
@@ -170,14 +185,18 @@ public class MetadataRewriter {
        return entries;
    }

-    public static class Entry {
+    @Getter
+    @Setter
+    public static final class Entry {

+        private final int oldID;
        private MetaIndex index;
        private Object value;

-        private Entry(MetaIndex index, Object value) {
+        private Entry(MetaIndex index, Object value, int id) {
            this.index = index;
            this.value = value;
+            this.oldID = id;
        }
    }
 }
@@ -1,5 +1,10 @@
 package us.myles.ViaVersion.metadata;

+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
 public enum NewType {
    Byte(0),
    VarInt(1),
@@ -15,13 +20,7 @@ public enum NewType {
    OptUUID(11),
    BlockID(12),
    Discontinued(99);
+
    private final int typeID;

-    NewType(int typeID){
-        this.typeID = typeID;
-    }
-
-    public int getTypeID() {
-        return typeID;
-    }
 }
@@ -1,5 +1,10 @@
 package us.myles.ViaVersion.metadata;

+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
 public enum Type {
    Byte(0),
    Short(1),
@@ -11,14 +16,6 @@ public enum Type {
    Rotation(7);
    private final int typeID;

-    Type(int typeID){
-        this.typeID = typeID;
-    }
-
-    public int getTypeID() {
-        return typeID;
-    }
-
    public static Type byId(int id) {
        return values()[id];
    }
@@ -170,7 +170,7 @@ public enum PacketType {
    	if(id == -1)
    		return null;
        for (PacketType pt : values()) {
-            if (pt.getNewPacketID() == id && id != -1
+            if (pt.getNewPacketID() == id
                    && pt.getState() == state
                    && pt.getDirection() == direction)
                return pt;
@@ -182,7 +182,7 @@ public enum PacketType {
    	if(id == -1)
    		return null;
        for (PacketType pt : values()) {
-            if (pt.getPacketID() == id && id != -1
+            if (pt.getPacketID() == id
                    && pt.getState() == state
                    && pt.getDirection() == direction)
                return pt;
@@ -0,0 +1,322 @@
+package us.myles.ViaVersion.slot;
+
+import io.netty.buffer.ByteBuf;
+import org.bukkit.Material;
+import org.spacehq.opennbt.tag.builtin.CompoundTag;
+import org.spacehq.opennbt.tag.builtin.ListTag;
+import org.spacehq.opennbt.tag.builtin.StringTag;
+import org.spacehq.opennbt.tag.builtin.Tag;
+import us.myles.ViaVersion.CancelException;
+import us.myles.ViaVersion.transformers.OutgoingTransformer;
+import us.myles.ViaVersion.util.PacketUtil;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public class ItemSlotRewriter {
+
+    private static final Map<String, Integer> ENTTIY_NAME_TO_ID = new HashMap<>();
+    private static final Map<Integer, String> ENTTIY_ID_TO_NAME = new HashMap<>();
+    private static final Map<String, Integer> POTION_NAME_TO_ID = new HashMap<>();
+    private static final Map<Integer, String> POTION_ID_TO_NAME = new HashMap<>();
+
+    static {
+        /* Entities */
+        registerEntity(1, "Item");
+        registerEntity(2, "XPOrb");
+        registerEntity(7, "ThrownEgg");
+        registerEntity(8, "LeashKnot");
+        registerEntity(9, "Painting");
+        registerEntity(10, "Arrow");
+        registerEntity(11, "Snowball");
+        registerEntity(12, "Fireball");
+        registerEntity(13, "SmallFireball");
+        registerEntity(14, "ThrownEnderpearl");
+        registerEntity(15, "EyeOfEnderSignal");
+        registerEntity(16, "ThrownPotion");
+        registerEntity(17, "ThrownExpBottle");
+        registerEntity(18, "ItemFrame");
+        registerEntity(19, "WitherSkull");
+        registerEntity(20, "PrimedTnt");
+        registerEntity(21, "FallingSand");
+        registerEntity(22, "FireworksRocketEntity");
+        registerEntity(30, "ArmorStand");
+        registerEntity(40, "MinecartCommandBlock");
+        registerEntity(41, "Boat");
+        registerEntity(42, "MinecartRideable");
+        registerEntity(43, "MinecartChest");
+        registerEntity(44, "MinecartFurnace");
+        registerEntity(45, "MinecartTNT");
+        registerEntity(46, "MinecartHopper");
+        registerEntity(47, "MinecartSpawner");
+        registerEntity(48, "Mob");
+        registerEntity(49, "Monster");
+        registerEntity(50, "Creeper");
+        registerEntity(51, "Skeleton");
+        registerEntity(52, "Spider");
+        registerEntity(53, "Giant");
+        registerEntity(54, "Zombie");
+        registerEntity(55, "Slime");
+        registerEntity(56, "Ghast");
+        registerEntity(57, "PigZombie");
+        registerEntity(58, "Enderman");
+        registerEntity(59, "CaveSpider");
+        registerEntity(60, "Silverfish");
+        registerEntity(61, "Blaze");
+        registerEntity(62, "LavaSlime");
+        registerEntity(63, "EnderDragon");
+        registerEntity(64, "WitherBoss");
+        registerEntity(65, "Bat");
+        registerEntity(66, "Witch");
+        registerEntity(67, "Endermite");
+        registerEntity(68, "Guardian");
+        registerEntity(90, "Pig");
+        registerEntity(91, "Sheep");
+        registerEntity(92, "Cow");
+        registerEntity(93, "Chicken");
+        registerEntity(94, "Squid");
+        registerEntity(95, "Wolf");
+        registerEntity(96, "MushroomCow");
+        registerEntity(97, "SnowMan");
+        registerEntity(98, "Ozelot");
+        registerEntity(99, "VillagerGolem");
+        registerEntity(100, "EntityHorse");
+        registerEntity(101, "Rabbit");
+        registerEntity(120, "Villager");
+        registerEntity(200, "EnderCrystal");
+
+        /* Potions */
+        registerPotion(0, "water");
+        registerPotion(64, "mundane");
+        registerPotion(32, "thick");
+        registerPotion(16, "awkward");
+
+        registerPotion(8198, "night_vision");
+        registerPotion(8262, "long_night_vision");
+
+        registerPotion(8206, "invisibility");
+        registerPotion(8270, "long_invisibility");
+
+        registerPotion(8203, "leaping");
+        registerPotion(8267, "long_leaping");
+        registerPotion(8235, "strong_leaping");
+
+        registerPotion(8195, "fire_resistance");
+        registerPotion(8259, "long_fire_resistance");
+
+        registerPotion(8194, "swiftness");
+        registerPotion(8258, "long_swiftness");
+        registerPotion(8226, "strong_swiftness");
+
+        registerPotion(8202, "slowness");
+        registerPotion(8266, "long_slowness");
+
+        registerPotion(8205, "water_breathing");
+        registerPotion(8269, "long_water_breathing");
+
+        registerPotion(8197, "healing");
+        registerPotion(8229, "strong_healing");
+
+        registerPotion(8204, "harming");
+        registerPotion(8236, "strong_harming");
+
+        registerPotion(8196, "poison");
+        registerPotion(8260, "long_poison");
+        registerPotion(8228, "strong_poison");
+
+        registerPotion(8193, "regeneration");
+        registerPotion(8257, "long_regeneration");
+        registerPotion(8225, "strong_regeneration");
+
+        registerPotion(8201, "strength");
+        registerPotion(8265, "long_strength");
+        registerPotion(8233, "strong_strength");
+
+        registerPotion(8200, "weakness");
+        registerPotion(8264, "long_weakness");
+
+    }
+
+    public static void rewrite1_9To1_8(ByteBuf input, ByteBuf output) throws CancelException {
+        try {
+            ItemStack item = readItemStack(input);
+            fixIdsFrom1_9To1_8(item);
+            writeItemStack(item, output);
+        } catch (Exception e) {
+            System.out.println("Error while rewriting an item slot.");
+            e.printStackTrace();
+            throw new CancelException();
+        }
+    }
+
+    public static void rewrite1_8To1_9(ByteBuf input, ByteBuf output) throws CancelException {
+        try {
+            ItemStack item = readItemStack(input);
+            fixIdsFrom1_8To1_9(item);
+            writeItemStack(item, output);
+        } catch (Exception e) {
+            System.out.println("Error while rewriting an item slot.");
+            e.printStackTrace();
+            throw new CancelException();
+        }
+    }
+
+    public static void fixIdsFrom1_9To1_8(ItemStack item) {
+        if (item != null) {
+            if (item.id == Material.MONSTER_EGG.getId() && item.data == 0) {
+                CompoundTag tag = item.tag;
+                int data = 0;
+                if (tag != null && tag.get("EntityTag") instanceof CompoundTag) {
+                    CompoundTag entityTag = tag.get("EntityTag");
+                    if (entityTag.get("id") instanceof StringTag) {
+                        StringTag id = entityTag.get("id");
+                        if (ENTTIY_NAME_TO_ID.containsKey(id.getValue()))
+                            data = ENTTIY_NAME_TO_ID.get(id.getValue());
+                    }
+                }
+                item.tag = null;
+                item.data = (short) data;
+            }
+            if (item.id == Material.POTION.getId()) {
+                CompoundTag tag = item.tag;
+                int data = 0;
+                if (tag != null && tag.get("Potion") instanceof StringTag) {
+                    StringTag potion = tag.get("Potion");
+                    String potionName = potion.getValue().replace("minecraft:", "");
+                    if (POTION_NAME_TO_ID.containsKey(potionName)) {
+                        data = POTION_NAME_TO_ID.get(potionName);
+                    }
+                }
+                item.tag = null;
+                item.data = (short) data;
+            }
+            if (item.id == 438) {
+                CompoundTag tag = item.tag;
+                int data = 0;
+                item.id = (short) Material.POTION.getId();
+                if (tag != null && tag.get("Potion") instanceof StringTag) {
+                    StringTag potion = tag.get("Potion");
+                    String potionName = potion.getValue().replace("minecraft:", "");
+                    if (POTION_NAME_TO_ID.containsKey(potionName)) {
+                        data = POTION_NAME_TO_ID.get(potionName) + 8192;
+                    }
+                }
+                item.tag = null;
+                item.data = (short) data;
+            }
+        }
+    }
+
+    public static void fixIdsFrom1_8To1_9(ItemStack item) {
+        if (item != null) {
+            if (item.id == Material.MONSTER_EGG.getId() && item.data != 0) {
+                CompoundTag tag = item.tag;
+                if (tag == null) {
+                    tag = new CompoundTag("tag");
+                }
+                CompoundTag entityTag = new CompoundTag("EntityTag");
+                if (ENTTIY_ID_TO_NAME.containsKey((int) item.data)) {
+                    StringTag id = new StringTag("id", ENTTIY_ID_TO_NAME.get((int) item.data));
+                    entityTag.put(id);
+                    tag.put(entityTag);
+                }
+                item.tag = tag;
+                item.data = 0;
+            }
+            if (item.id == Material.POTION.getId()) {
+                CompoundTag tag = item.tag;
+                if (tag == null) {
+                    tag = new CompoundTag("tag");
+                }
+                if (item.data >= 16384) {
+                    item.id = 438; // splash id
+                    item.data = (short) (item.data - 8192);
+                }
+                if (POTION_ID_TO_NAME.containsKey((int) item.data)) {
+                    String name = POTION_ID_TO_NAME.get((int) item.data);
+                    StringTag potion = new StringTag("Potion", "minecraft:" + name);
+                    tag.put(potion);
+                }
+                item.tag = tag;
+                item.data = 0;
+            }
+            if (item.id == Material.WRITTEN_BOOK.getId()) {
+                CompoundTag tag = item.tag;
+                if (tag == null) {
+                    tag = new CompoundTag("tag");
+                }
+                ListTag pages = tag.get("pages");
+                if (pages == null) {
+                    pages = new ListTag("pages", Collections.<Tag>singletonList(new StringTag(OutgoingTransformer.fixJson(""))));
+                    tag.put(pages);
+                    item.tag = tag;
+                    return;
+                }
+
+                for (int i = 0; i < pages.size(); i++) {
+                    if (!(pages.get(i) instanceof StringTag))
+                        continue;
+                    StringTag page = pages.get(i);
+                    page.setValue(OutgoingTransformer.fixJson(page.getValue()));
+                }
+                item.tag = tag;
+            }
+        }
+    }
+
+    public static ItemStack readItemStack(ByteBuf input) throws IOException {
+        short id = input.readShort();
+        if (id < 0) {
+
+            return null;
+        } else {
+            ItemStack item = new ItemStack();
+            item.id = id;
+            item.amount = input.readByte();
+            item.data = input.readShort();
+            item.tag = PacketUtil.readNBT(input);
+            return item;
+        }
+    }
+
+    public static void writeItemStack(ItemStack item, ByteBuf output) throws IOException {
+        if (item == null) {
+            output.writeShort(-1);
+        } else {
+            output.writeShort(item.id);
+            output.writeByte(item.amount);
+            output.writeShort(item.data);
+            PacketUtil.writeNBT(output, item.tag);
+        }
+    }
+
+    private static void registerEntity(Integer id, String name) {
+        ENTTIY_ID_TO_NAME.put(id, name);
+        ENTTIY_NAME_TO_ID.put(name, id);
+    }
+
+    private static void registerPotion(Integer id, String name) {
+        POTION_ID_TO_NAME.put(id, name);
+        POTION_NAME_TO_ID.put(name, id);
+    }
+
+    public static class ItemStack {
+
+        public short id;
+        public byte amount;
+        public short data;
+        public CompoundTag tag;
+
+        public static ItemStack fromBukkit(org.bukkit.inventory.ItemStack stack) {
+            if(stack == null) return null;
+            ItemStack item = new ItemStack();
+            item.id = (short) stack.getTypeId();
+            item.amount = (byte) stack.getAmount();
+            item.data = stack.getData().getData();
+            // TODO: nbt
+            return item;
+        }
+    }
+}
@@ -1,5 +1,10 @@
 package us.myles.ViaVersion.sounds;

+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
 public enum SoundCategory {


@@ -14,20 +19,7 @@ public enum SoundCategory {
    AMBIENT("ambient", 8),
    VOICE("voice", 9);

-    private String name;
-    private int id;
-
-    SoundCategory(String name, int id) {
-        this.name = name;
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public int getId() {
-        return id;
-    }
+    private final String name;
+    private final int id;

 }
@@ -1,5 +1,8 @@
 package us.myles.ViaVersion.sounds;

+import lombok.Getter;
+
+@Getter
 public enum SoundEffect {

    MOB_HORSE_ZOMBIE_IDLE("mob.horse.zombie.idle", "entity.zombie_horse.ambient", SoundCategory.NEUTRAL),
@@ -198,7 +201,7 @@ public enum SoundEffect {
    MOB_ENDERMEN_SCREAM("mob.endermen.scream", "entity.endermen.scream", SoundCategory.HOSTILE),
    MOB_CAT_HITT("mob.cat.hitt", "entity.cat.hurt", SoundCategory.NEUTRAL),
    MOB_MAGMACUBE_SMALL("mob.magmacube.small", "entity.small_magmacube.squish", SoundCategory.HOSTILE),
-    FIRE_IGNITE("fire.ignite", "item.flintandsteel.use", SoundCategory.BLOCK),
+    FIRE_IGNITE("fire.ignite", "item.flintandsteel.use", SoundCategory.BLOCK, true),
    MOB_ENDERDRAGON_HIT("mob.enderdragon.hit", "entity.enderdragon.hurt", SoundCategory.HOSTILE),
    MOB_ZOMBIE_HURT("mob.zombie.hurt", "entity.zombie_villager.hurt", SoundCategory.HOSTILE),
    RANDOM_EXPLODE("random.explode", "block.end_gateway.spawn", SoundCategory.BLOCK),
@@ -249,14 +252,23 @@ public enum SoundEffect {
    MUSIC_GAME_END_CREDITS("music.game.end.credits", "music.credits", SoundCategory.MUSIC),
    MUSIC_GAME_CREATIVE("music.game.creative", "music.creative", SoundCategory.MUSIC);

-    private String name;
-    private String newname;
-    private SoundCategory cat;
+    private final String name;
+    private final String newName;
+    private final SoundCategory category;
+    private final boolean breaksound;

    SoundEffect(String name, String newname, SoundCategory cat) {
-        this.cat = cat;
-        this.newname = newname;
+        this.category = cat;
+        this.newName = newname;
        this.name = name;
+        this.breaksound = name.startsWith("dig.");
+    }
+    
+    SoundEffect(String name, String newname, SoundCategory cat, boolean shouldIgnore) {
+        this.category = cat;
+        this.newName = newname;
+        this.name = name;
+        this.breaksound = name.startsWith("dig.") || shouldIgnore;
    }

    public static SoundEffect getByName(String name) {
@@ -268,16 +280,4 @@ public enum SoundEffect {
        return null;
    }

-    public String getNewName() {
-        return newname;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public SoundCategory getCategory() {
-        return cat;
-    }
-
 }
@@ -1,17 +1,19 @@
 package us.myles.ViaVersion.transformers;

 import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 import us.myles.ViaVersion.CancelException;
 import us.myles.ViaVersion.ConnectionInfo;
 import us.myles.ViaVersion.ViaVersionPlugin;
+import us.myles.ViaVersion.api.ViaVersion;
 import us.myles.ViaVersion.packets.PacketType;
 import us.myles.ViaVersion.packets.State;
+import us.myles.ViaVersion.slot.ItemSlotRewriter;
 import us.myles.ViaVersion.util.PacketUtil;
-import us.myles.ViaVersion.util.ReflectionUtil;

-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
+import java.io.IOException;

 public class IncomingTransformer {
    private final ConnectionInfo info;
@@ -31,9 +33,11 @@ public class IncomingTransformer {
        if (packet.getPacketID() != -1) {
            packetID = packet.getPacketID();
        }
-//        if (packet != PacketType.PLAY_PLAYER_POSITION_LOOK_REQUEST && packet != PacketType.PLAY_KEEP_ALIVE_REQUEST && packet != PacketType.PLAY_PLAYER_POSITION_REQUEST && packet != PacketType.PLAY_PLAYER_LOOK_REQUEST) {
-//            System.out.println("Packet Type: " + packet + " New ID: " + packetID + " Original: " + original);
-//        }
+        if (ViaVersion.getInstance().isDebug()) {
+            if (packet != PacketType.PLAY_PLAYER_POSITION_LOOK_REQUEST && packet != PacketType.PLAY_KEEP_ALIVE_REQUEST && packet != PacketType.PLAY_PLAYER_POSITION_REQUEST && packet != PacketType.PLAY_PLAYER_LOOK_REQUEST) {
+                System.out.println("Direction " + packet.getDirection().name() + " Packet Type: " + packet + " New ID: " + packetID + " Original: " + original + " Size: " + input.readableBytes());
+            }
+        }
        if (packet == PacketType.PLAY_TP_CONFIRM || packet == PacketType.PLAY_VEHICLE_MOVE_REQUEST) { //TODO handle client-sided horse riding
            throw new CancelException();
        }
@@ -69,7 +73,7 @@ public class IncomingTransformer {
            output.writeLong(location);
            for (int i = 0; i < 4; i++) {
                String line = PacketUtil.readString(input);
-                line = "{\"text\":\"" + line + "\"}";
+                line = OutgoingTransformer.fixJson(line);
                PacketUtil.writeString(line, output);
            }
            return;
@@ -82,7 +86,7 @@ public class IncomingTransformer {
            return;
        }
        if (packet == PacketType.PLAY_PLAYER_DIGGING) {
-            byte status = input.readByte();
+            int status = input.readByte() & 0xFF; // unsign
            if (status == 6) { // item swap
                throw new CancelException();
            }
@@ -98,32 +102,44 @@ public class IncomingTransformer {

            byte button = input.readByte();
            short action = input.readShort();
-            byte mode = input.readByte();
-            if (slot == 45 && windowID == 0) {
-                try {
-                    Class<?> setSlot = ReflectionUtil.nms("PacketPlayOutSetSlot");
-                    Object setSlotPacket = setSlot.getConstructors()[1].newInstance(windowID, slot, null);
-                    info.getChannel().pipeline().writeAndFlush(setSlotPacket); // slot is empty
-                    slot = -999; // we're evil, they'll throw item on the ground
-                } catch (ClassNotFoundException e) {
-                    e.printStackTrace();
-                } catch (IllegalAccessException e) {
-                    e.printStackTrace();
-                } catch (InstantiationException e) {
-                    e.printStackTrace();
-                } catch (InvocationTargetException e) {
-                    e.printStackTrace();
-                }
+            int mode = input.readByte();

+            // if the action is on an elytra armour slot
+            boolean throwItem = (slot == 45 && windowID == 0);
+
+            if (info.getOpenWindow() != null && windowID > 0) {
+                if (info.getOpenWindow().equals("minecraft:brewing_stand")) {
+                    if (slot == 4) {
+                        // throw
+                        throwItem = true;
+                    }
+                    if (slot > 4)
+                        slot = (short) (slot - 1);
+                }
+            }
+            if (throwItem) {
+                ByteBuf buf = info.getChannel().alloc().buffer();
+                PacketUtil.writeVarInt(PacketType.PLAY_SET_SLOT.getNewPacketID(), buf);
+                buf.writeByte(windowID);
+                buf.writeShort(slot);
+                buf.writeShort(-1); // empty
+                info.sendRawPacket(buf);
+                // Continue the packet simulating throw
+                mode = 0;
+                button = 0;
+                slot = -999;
            }
            output.writeByte(windowID);
            output.writeShort(slot);
            output.writeByte(button);
            output.writeShort(action);
            output.writeByte(mode);
-            output.writeBytes(input);
+            ItemSlotRewriter.rewrite1_9To1_8(input, output);
            return;
        }
+        if (packet == PacketType.PLAY_CLOSE_WINDOW_REQUEST) {
+            info.closeWindow();
+        }
        if (packet == PacketType.PLAY_CLIENT_SETTINGS) {
            String locale = PacketUtil.readString(input);
            PacketUtil.writeString(locale, output);
@@ -147,6 +163,19 @@ public class IncomingTransformer {
            PacketUtil.readVarInt(input);
            return;
        }
+        if (packet == PacketType.PLAY_ENTITY_ACTION) {
+            int playerId = PacketUtil.readVarInt(input);
+            int action = PacketUtil.readVarInt(input);
+            int jump = PacketUtil.readVarInt(input);
+            if (action == 6 || action == 8) //Ignore stop jumping / start elytra flying
+                throw new CancelException();
+            if (action == 7) //Change open horse inventory to the 1.8 value
+                action = 6;
+            PacketUtil.writeVarInt(playerId, output);
+            PacketUtil.writeVarInt(action, output);
+            PacketUtil.writeVarInt(jump, output);
+            return;
+        }
        if (packet == PacketType.PLAY_USE_ENTITY) {
            int target = PacketUtil.readVarInt(input);
            PacketUtil.writeVarInt(target, output);
@@ -166,30 +195,70 @@ public class IncomingTransformer {
            }
            return;
        }
+        if (packet == PacketType.PLAY_PLUGIN_MESSAGE_REQUEST) {
+            String name = PacketUtil.readString(input);
+            PacketUtil.writeString(name, output);
+            byte[] b = new byte[input.readableBytes()];
+            input.readBytes(b);
+            // patch books
+            switch (name) {
+                case "MC|BSign": {
+                    ByteBuf in = Unpooled.wrappedBuffer(b);
+                    try {
+                        ItemSlotRewriter.ItemStack stack = ItemSlotRewriter.readItemStack(in);
+                        if (stack != null)
+                            stack.id = (short) Material.WRITTEN_BOOK.getId();
+                        // write
+                        ItemSlotRewriter.writeItemStack(stack, output);
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                    return;
+                }
+                case "MC|AutoCmd": {
+                    ByteBuf in = Unpooled.wrappedBuffer(b);
+                    int x = in.readInt();
+                    int y = in.readInt();
+                    int z = in.readInt();
+                    String command = PacketUtil.readString(in);
+                    boolean flag = in.readBoolean();
+
+                    output.clear();
+                    PacketUtil.writeVarInt(PacketType.PLAY_PLUGIN_MESSAGE_REQUEST.getPacketID(), output);
+                    PacketUtil.writeString("MC|AdvCdm", output);
+                    output.writeByte(0);
+                    output.writeInt(x);
+                    output.writeInt(y);
+                    output.writeInt(z);
+                    PacketUtil.writeString(command, output);
+                    output.writeBoolean(flag);
+                    return;
+                }
+                case "MC|AdvCmd":
+                    output.clear();
+                    PacketUtil.writeVarInt(PacketType.PLAY_PLUGIN_MESSAGE_REQUEST.getPacketID(), output);
+                    PacketUtil.writeString("MC|AdvCdm", output);
+                    output.writeBytes(b);
+                    break;
+            }
+            output.writeBytes(b);
+        }
        if (packet == PacketType.PLAY_PLAYER_BLOCK_PLACEMENT) {
            Long position = input.readLong();
            output.writeLong(position);
            int face = PacketUtil.readVarInt(input);
            output.writeByte(face);
-            int hand = PacketUtil.readVarInt(input);
+            PacketUtil.readVarInt(input);

            ItemStack inHand = ViaVersionPlugin.getHandItem(info);
-            Object item = null;
            try {
-                Method m = ReflectionUtil.obc("inventory.CraftItemStack").getDeclaredMethod("asNMSCopy", ItemStack.class);
-                item = m.invoke(null, inHand);
-            } catch (NoSuchMethodException e) {
-                e.printStackTrace();
-            } catch (ClassNotFoundException e) {
-                e.printStackTrace();
-            } catch (InvocationTargetException e) {
-                e.printStackTrace();
-            } catch (IllegalAccessException e) {
+                ItemSlotRewriter.ItemStack item = ItemSlotRewriter.ItemStack.fromBukkit(inHand);
+                ItemSlotRewriter.fixIdsFrom1_9To1_8(item);
+                ItemSlotRewriter.writeItemStack(item, output);
+            } catch (Exception e) {
                e.printStackTrace();
            }

-            PacketUtil.writeItem(item, output);
-
            short curX = input.readUnsignedByte();
            output.writeByte(curX);
            short curY = input.readUnsignedByte();
@@ -206,26 +275,25 @@ public class IncomingTransformer {
            output.writeByte(255);
            // write item in hand
            ItemStack inHand = ViaVersionPlugin.getHandItem(info);
-            Object item = null;
            try {
-                Method m = ReflectionUtil.obc("inventory.CraftItemStack").getDeclaredMethod("asNMSCopy", ItemStack.class);
-                item = m.invoke(null, inHand);
-            } catch (NoSuchMethodException e) {
-                e.printStackTrace();
-            } catch (ClassNotFoundException e) {
-                e.printStackTrace();
-            } catch (InvocationTargetException e) {
-                e.printStackTrace();
-            } catch (IllegalAccessException e) {
+                ItemSlotRewriter.ItemStack item = ItemSlotRewriter.ItemStack.fromBukkit(inHand);
+                ItemSlotRewriter.fixIdsFrom1_9To1_8(item);
+                ItemSlotRewriter.writeItemStack(item, output);
+            } catch (Exception e) {
                e.printStackTrace();
            }
-            PacketUtil.writeItem(item, output);

            output.writeByte(-1);
            output.writeByte(-1);
            output.writeByte(-1);
            return;
        }
+        if (packet == PacketType.PLAY_CREATIVE_INVENTORY_ACTION) {
+            short slot = input.readShort();
+            output.writeShort(slot);
+
+            ItemSlotRewriter.rewrite1_9To1_8(input, output);
+        }
        output.writeBytes(input);
    }
 }
@@ -0,0 +1,22 @@
+package us.myles.ViaVersion.update;
+
+import lombok.RequiredArgsConstructor;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.plugin.Plugin;
+
+@RequiredArgsConstructor
+public class UpdateListener implements Listener {
+
+	private final Plugin plugin;
+	
+	@EventHandler
+	public void onJoin(PlayerJoinEvent e) {
+		if(e.getPlayer().hasPermission("viaversion.update")
+				&& plugin.getConfig().getBoolean("checkforupdates", true)) {
+			UpdateUtil.sendUpdateMessage(e.getPlayer().getUniqueId(), plugin);
+		}
+	}
+
+}
@@ -0,0 +1,125 @@
+package us.myles.ViaVersion.update;
+
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.scheduler.BukkitRunnable;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+import us.myles.ViaVersion.api.ViaVersion;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.UUID;
+
+public class UpdateUtil {
+
+    private final static String URL = "http://api.spiget.org/v1/resources/";
+    private final static int PLUGIN = 19254;
+
+    public final static String PREFIX = ChatColor.GREEN + "" + ChatColor.BOLD + "[ViaVersion] " + ChatColor.GREEN;
+
+    public static void sendUpdateMessage(final UUID uuid, final Plugin plugin) {
+        new BukkitRunnable() {
+
+            @Override
+            public void run() {
+                final String message = getUpdateMessage(false);
+                if (message != null) {
+                    new BukkitRunnable() {
+
+                        @Override
+                        public void run() {
+                            Player p = Bukkit.getPlayer(uuid);
+                            if (p != null) {
+                                p.sendMessage(PREFIX + message);
+                            }
+                        }
+                    }.runTask(plugin);
+                }
+            }
+        }.runTaskAsynchronously(plugin);
+    }
+
+    public static void sendUpdateMessage(final Plugin plugin) {
+        new BukkitRunnable() {
+
+            @Override
+            public void run() {
+                final String message = getUpdateMessage(true);
+                if (message != null) {
+                    new BukkitRunnable() {
+
+                        @Override
+                        public void run() {
+                            plugin.getLogger().warning(message);
+                        }
+                    }.runTask(plugin);
+                }
+            }
+        }.runTaskAsynchronously(plugin);
+    }
+
+    private static String getUpdateMessage(boolean console) {
+        if (ViaVersion.getInstance().getVersion().equals("${project.version}")) {
+            return "You are using a debug/custom version, consider updating.";
+        }
+        String newestString = getNewestVersion();
+        if (newestString == null) {
+            if (console) {
+                return "Could not check for updates, check your connection.";
+            } else {
+                return null;
+            }
+        }
+        Version current;
+        try {
+            current = new Version(ViaVersion.getInstance().getVersion());
+        } catch (IllegalArgumentException e) {
+            return "You are using a debug/custom version, consider updating.";
+        }
+        Version newest = new Version(newestString);
+        if (current.compareTo(newest) < 0)
+            return "There is a newer version available: " + newest.toString();
+        else if (console && current.compareTo(newest) != 0) {
+            return "You are running a newer version than is released!";
+        }
+        return null;
+    }
+
+    private static String getNewestVersion() {
+        try {
+            URL url = new URL(URL + PLUGIN + "?" + System.currentTimeMillis());
+            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+            connection.setUseCaches(true);
+            connection.addRequestProperty("User-Agent", "Mozilla/4.76");
+            connection.setDoOutput(true);
+            BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+            String input;
+            String content = "";
+            while ((input = br.readLine()) != null) {
+                content = content + input;
+            }
+            br.close();
+            JSONParser parser = new JSONParser();
+            JSONObject statistics;
+            try {
+                statistics = (JSONObject) parser.parse(content);
+            } catch (ParseException e) {
+                e.printStackTrace();
+                return null;
+            }
+            return (String) statistics.get("version");
+        } catch (MalformedURLException e) {
+            return null;
+        } catch (IOException e) {
+            return null;
+        }
+    }
+}
@@ -0,0 +1,62 @@
+package us.myles.ViaVersion.update;
+
+import org.apache.commons.lang.StringUtils;
+
+public class Version implements Comparable<Version> {
+    private int[] parts;
+
+    public Version(String value) {
+        if (value == null)
+            throw new IllegalArgumentException("Version can not be null");
+
+        if (!value.matches("^[0-9]+(\\.[0-9]+)*$"))
+            throw new IllegalArgumentException("Invalid version format");
+
+        String[] split = value.split("\\.");
+        parts = new int[split.length];
+
+        for (int i = 0; i < split.length; i += 1)
+            parts[i] = Integer.parseInt(split[i]);
+    }
+
+    public static int compare(Version verA, Version verB) {
+        if (verA == verB) return 0;
+        if (verA == null) return -1;
+        if (verB == null) return 1;
+
+        int max = Math.max(verA.parts.length, verB.parts.length);
+
+        for (int i = 0; i < max; i += 1) {
+            int partA = i < verA.parts.length ? verA.parts[i] : 0;
+            int partB = i < verB.parts.length ? verB.parts[i] : 0;
+            if (partA < partB) return -1;
+            if (partA > partB) return 1;
+        }
+
+        return 0;
+    }
+
+    public static boolean equals(Version verA, Version verB) {
+        return verA == verB || verA != null && verB != null && compare(verA, verB) == 0;
+    }
+
+    @Override
+    public String toString() {
+        String[] split = new String[parts.length];
+
+        for (int i = 0; i < parts.length; i += 1)
+            split[i] = String.valueOf(parts[i]);
+
+        return StringUtils.join(split, ".");
+    }
+
+    @Override
+    public int compareTo(Version that) {
+        return compare(this, that);
+    }
+
+    @Override
+    public boolean equals(Object that) {
+        return that instanceof Version && equals(this, (Version) that);
+    }
+}
@@ -3,6 +3,7 @@ package us.myles.ViaVersion.util;
 import org.bukkit.entity.EntityType;

 public class EntityUtil {
+
    public static EntityType getTypeFromID(int typeID, boolean isObject) {
        if (isObject) {
            return getObjectFromID(typeID);
@@ -3,21 +3,20 @@ package us.myles.ViaVersion.util;
 import com.google.common.base.Charsets;
 import com.google.common.base.Preconditions;
 import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufInputStream;
+import io.netty.buffer.ByteBufOutputStream;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.ByteToMessageDecoder;
 import io.netty.handler.codec.MessageToByteEncoder;
-import us.myles.ViaVersion.chunks.MagicBitSet;
-import us.myles.ViaVersion.chunks.PacketChunk;
-import us.myles.ViaVersion.chunks.PacketChunkData;
+import org.spacehq.opennbt.NBTIO;
+import org.spacehq.opennbt.tag.builtin.CompoundTag;

-import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.ShortBuffer;
 import java.util.ArrayList;
-import java.util.BitSet;
 import java.util.List;
 import java.util.UUID;

@@ -42,13 +41,41 @@ public class PacketUtil {
        }
    }

+    public static CompoundTag readNBT(ByteBuf input) throws IOException {
+        int readerIndex = input.readerIndex();
+        byte b = input.readByte();
+        if (b == 0) {
+            return null;
+        } else {
+            input.readerIndex(readerIndex);
+            ByteBufInputStream bytebufStream = new ByteBufInputStream(input);
+            DataInputStream dataInputStream = new DataInputStream(bytebufStream);
+            try {
+                return (CompoundTag) NBTIO.readTag(dataInputStream);
+            } finally {
+                dataInputStream.close();
+            }
+        }
+    }
+
+    public static void writeNBT(ByteBuf output, CompoundTag tag) throws IOException {
+        if (tag == null) {
+            output.writeByte(0);
+        } else {
+            ByteBufOutputStream bytebufStream = new ByteBufOutputStream(output);
+            DataOutputStream dataOutputStream = new DataOutputStream(bytebufStream);
+
+            NBTIO.writeTag(dataOutputStream, tag);
+
+            dataOutputStream.close();
+        }
+    }
+
    public static List<Object> callDecode(ByteToMessageDecoder decoder, ChannelHandlerContext ctx, Object input) {
-        List<Object> output = new ArrayList<Object>();
+        List<Object> output = new ArrayList<>();
        try {
            PacketUtil.DECODE_METHOD.invoke(decoder, ctx, input, output);
-        } catch (IllegalAccessException e) {
-            e.printStackTrace();
-        } catch (InvocationTargetException e) {
+        } catch (IllegalAccessException | InvocationTargetException e) {
            e.printStackTrace();
        }
        return output;
@@ -57,9 +84,7 @@ public class PacketUtil {
    public static void callEncode(MessageToByteEncoder encoder, ChannelHandlerContext ctx, Object msg, ByteBuf output) {
        try {
            PacketUtil.ENCODE_METHOD.invoke(encoder, ctx, msg, output);
-        } catch (IllegalAccessException e) {
-            e.printStackTrace();
-        } catch (InvocationTargetException e) {
+        } catch (IllegalAccessException | InvocationTargetException e) {
            e.printStackTrace();
        }
    }
@@ -143,7 +168,7 @@ public class PacketUtil {

    public static List<String> readStringArray(ByteBuf buf) {
        int len = readVarInt(buf);
-        List<String> ret = new ArrayList<String>(len);
+        List<String> ret = new ArrayList<>(len);
        for (int i = 0; i < len; i++) {
            ret.add(readString(buf));
        }
@@ -232,8 +257,8 @@ public class PacketUtil {
    }

    public static void writeLongs(long[] data, ByteBuf output) {
-        for (int index = 0; index < data.length; index++) {
-            output.writeLong(data[index]);
+        for (long aData : data) {
+            output.writeLong(aData);
        }
    }

@@ -246,153 +271,6 @@ public class PacketUtil {
        return data;
    }

-    // This method is based on one from here
-    // https://github.com/Steveice10/MCProtocolLib/blob/master/src/main/java/org/spacehq/mc/protocol/util/NetUtil.java
-    public static PacketChunk readChunkData(boolean isFullChunk, int bitmask, byte[] input) {
-        PacketChunkData[] chunks = new PacketChunkData[16];
-        boolean sky = false;
-        int expected = 0;
-        int position = 0;
-        ShortBuffer blockData = ByteBuffer.wrap(input).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer();
-
-        for (int i = 0; i < chunks.length; i++) {
-            if ((bitmask & 1 << i) != 0) {
-                expected += (4096 * 2) + 2048;
-            }
-        }
-        // If there is more data, then there must be skylights :D
-        if (input.length > expected) {
-            sky = true;
-        }
-
-        // Read block data
-        for (int i = 0; i < chunks.length; i++) {
-            if ((bitmask & 1 << i) != 0) {
-                chunks[i] = new PacketChunkData(sky);
-                blockData.position(position / 2);
-                blockData.get(chunks[i].getBlocks(), 0, 4096);
-                position = position + (4096 * 2);
-            } else {
-                chunks[i] = new PacketChunkData(sky);
-            }
-        }
-        // Read blocklight data
-        for (int i = 0; i < chunks.length; i++) {
-            if ((bitmask & 1 << i) != 0) {
-                System.arraycopy(input, position, chunks[i].getBlockLight(), 0, 2048);
-                position = position + 2048;
-            }
-        }
-        // Read skylight data
-        if (sky) {
-            for (int i = 0; i < chunks.length; i++) {
-                if ((bitmask & 1 << i) != 0) {
-                    System.arraycopy(input, position, chunks[i].getSkyLight(), 0, 2048);
-                    position = position + 2048;
-                }
-            }
-        }
-
-        byte[] biomeData = null;
-
-        if (isFullChunk) {
-            // yay im a full chunk meaning i know my biomes, mommy get the camera!
-            biomeData = new byte[256];
-            System.arraycopy(input, position, biomeData, 0, 256);
-        }
-        return new PacketChunk(chunks, biomeData);
-    }
-
-    public static void writeNewChunk(ByteBuf buffer, PacketChunkData chunk) {
-        // Bits Per Block (We use 0, cause we're not gonna write a palette ;) )
-        buffer.writeByte(0);
-        // No Palette nor length :D
-
-        // Data Array Length
-        byte[] blockData = convertBlockArray(chunk.getBlocks());
-        writeVarInt(blockData.length / 8, buffer); // Notchian is divide by 8
-
-        buffer.writeBytes(blockData);
-        // Block Light
-        buffer.writeBytes(chunk.getBlockLight());
-        // If has skylight, write it
-        if (chunk.getSkyLight() != null) {
-            buffer.writeBytes(chunk.getSkyLight());
-        }
-    }
-
-    private static byte[] convertBlockArray(short[] blocks) {
-        //  block ID for the first 9 bits, and the block damage value for the last 4 bits
-        byte[] output = new byte[6664]; // (16 * 16 * 16 * 13) / 8 :) (plus some for padding ...)
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        for (short block : blocks) {
-            int blockID = block >> 4; // (Needs to be to 9 bits)
-            int data = block & 0xF; // 8 bits
-
-        }
-        return null; // todo: finish
-    }
-
-    private static BitSet append(BitSet base, int index, MagicBitSet toAdd) {
-        int length = index;
-        for (int i = 0; i < toAdd.getTrueLength(); i++) {
-            base.set(length + i, toAdd.get(i));
-        }
-        return base;
-    }
-
-    private static MagicBitSet getPaddedBitSet(int value, int bitSize) {
-        MagicBitSet output = new MagicBitSet(bitSize);
-        BitSet temp = BitSet.valueOf(new long[]{value});
-        for (int i = 0; i < bitSize; i++) {
-            output.set(i, false);
-        }
-        int toShift = bitSize - temp.length();
-        for (int i = 0; i < temp.length(); i++) {
-            output.set(toShift + i, temp.get(i));
-        }
-        return output;
-    }
-
-    public static void writeItem(Object value, ByteBuf output) {
-        try {
-            Class<?> serializer = ReflectionUtil.nms("PacketDataSerializer");
-            Object init = serializer.getDeclaredConstructor(ByteBuf.class).newInstance(output);
-            Method toCall = init.getClass().getDeclaredMethod("a", ReflectionUtil.nms("ItemStack"));
-            toCall.invoke(init, value);
-        } catch (ClassNotFoundException e) {
-            e.printStackTrace();
-        } catch (NoSuchMethodException e) {
-            e.printStackTrace();
-        } catch (InstantiationException e) {
-            e.printStackTrace();
-        } catch (IllegalAccessException e) {
-            e.printStackTrace();
-        } catch (InvocationTargetException e) {
-            e.printStackTrace();
-        }
-    }
-
-    public static Object readItem(ByteBuf output) {
-        try {
-            Class<?> serializer = ReflectionUtil.nms("PacketDataSerializer");
-            Object init = serializer.getDeclaredConstructor(ByteBuf.class).newInstance(output);
-            Method toCall = init.getClass().getDeclaredMethod("i");
-            return toCall.invoke(init);
-        } catch (ClassNotFoundException e) {
-            e.printStackTrace();
-        } catch (NoSuchMethodException e) {
-            e.printStackTrace();
-        } catch (InstantiationException e) {
-            e.printStackTrace();
-        } catch (IllegalAccessException e) {
-            e.printStackTrace();
-        } catch (InvocationTargetException e) {
-            e.printStackTrace();
-        }
-		return null;
-    }
-
    public static long[] readBlockPosition(ByteBuf buf) {
        long val = buf.readLong();
        long x = (val >> 38); // signed
@@ -414,4 +292,13 @@ public class PacketUtil {

        return data;
    }
+
+    public static boolean containsCause(Throwable t, Class<? extends Throwable> c) {
+        while (t != null) {
+            t = t.getCause();
+            if (t != null)
+                if (c.isAssignableFrom(t.getClass())) return true;
+        }
+        return false;
+    }
 }
@@ -27,6 +27,18 @@ public class ReflectionUtil {
        return m.invoke(o);
    }

+    public static <T> T getStatic(Class<?> clazz, String f, Class<T> t) throws NoSuchFieldException, IllegalAccessException {
+        Field field = clazz.getDeclaredField(f);
+        field.setAccessible(true);
+        return (T) field.get(null);
+    }
+
+    public static <T> T get(Object instance, Class<?> clazz, String f, Class<T> t) throws NoSuchFieldException, IllegalAccessException {
+        Field field = clazz.getDeclaredField(f);
+        field.setAccessible(true);
+        return (T) field.get(instance);
+    }
+
    public static <T> T get(Object o, String f, Class<T> t) throws NoSuchFieldException, IllegalAccessException {
        Field field = o.getClass().getDeclaredField(f);
        field.setAccessible(true);
@@ -0,0 +1,10 @@
+# Should ViaVersion check for updates?
+checkforupdates: true
+# Should we send any bulk chunks, in sync (may be slower but fixes timings)
+# Currently broken due to sign updates, possibly will return
+sync-chunks: true
+# No collide options, these allow you to configure how collision works.
+# Do you want us to prevent collision?
+prevent-collision: true
+# If the above is true, should we automatically team players until you do?
+auto-team: true
@@ -1,6 +1,11 @@
 name: ViaVersion
 main: us.myles.ViaVersion.ViaVersionPlugin
 author: _MylesC
-version: 0.4.5
+version: ${project.version}
 load: startup
-loadbefore: [ProtocolLib, ProxyPipe]
+loadbefore: [ProtocolLib, ProxyPipe]
+commands:
+  viaversion:
+    description: Shows ViaVersion Version and more.
+    permission: viaversion.admin
+    aliases: [viaver]
Author	SHA1	Message	Date
Myles	098b787355	Update to 0.5.8-SNAPSHOT	2016-03-07 19:36:47 +00:00
Myles	abb9665813	Merge pull request #166 from StamBoom/master Change DataInputStream / DataOutputStream to readNBT / writeNBT	2016-03-07 19:30:41 +00:00
Myles	012eec47b5	Temp arrays are evil, (memory optimisation)	2016-03-07 19:19:14 +00:00
Mats	2d40afa3a1	Change DataInputstream / Outputstream to readNBT / writeNBT	2016-03-07 19:58:07 +01:00
Myles	a92a7d6e02	Merge pull request #165 from StamBoom/savedthehorses Fixed horses inventory/elytra exception	2016-03-07 18:52:11 +00:00
Myles	fc7cdb4244	Clear bytes instead of reading them, close streams when done. (May fix a few memory leaks)	2016-03-07 18:51:18 +00:00
Mats	d5b375b264	Fixed horses inventory/elytra exception	2016-03-07 19:45:00 +01:00
Myles	99eadbe343	Update readme	2016-03-07 16:50:50 +00:00
Myles	38d33dba16	Remove more methods (Sorry last one didn't build!)	2016-03-07 16:44:55 +00:00
Myles	b3de4de0cd	Remove us.myles.ViaVersion.chunks, I must have looked past this but it's not used.	2016-03-07 16:34:22 +00:00
Myles	6b5c166a22	Merge pull request #162 from phenomax/master General code improvements	2016-03-07 16:28:04 +00:00
Phenomax	1aea00036f	[~] smaller bugfixes] [~] switched back to jdk 7	2016-03-07 16:22:11 +01:00
Phenomax	1262847a0e	[+] added lombok in order to smaller code by removing unnecessary getter, setter and constructors [~] switched to bytecode version 1.8 (lambda expressions) [~] general code cleanup (lambda expressions, for each, collapsed catch blocks, diamond maps)	2016-03-07 15:43:31 +01:00
Myles	21cfb1297f	Fix powered minecart data	2016-03-07 11:51:51 +00:00
Myles	0b1cb61986	Send team at difficulty to avoid any issues with bungee #161	2016-03-07 11:31:04 +00:00
Myles	44907b3e8d	Add /viaversion autoteam to toggle auto teaming for 1.8 colliding.	2016-03-07 11:09:43 +00:00
Myles	dac616d72c	Bump snapshot version up	2016-03-06 23:42:27 +00:00
Myles	528b234d5a	Add collision options, fixes #95 . (By default auto teams players until they're added to a team so you can't push!)	2016-03-06 23:22:45 +00:00
HugoDaBosss	e4288383f4	Merge pull request #159 from HugoDaBosss/patch Change package name from bossbarapi to lowercase.	2016-03-06 23:39:52 +01:00
BuildTools	bb17eb01b8	Update	2016-03-06 23:17:51 +01:00
Myles	ca6638c740	return null if the item is null :)	2016-03-06 21:40:15 +00:00
Myles	d8ce66ce29	Merge pull request #158 from StamBoom/bossbar Implement 1.9 BossBarAPI for developers	2016-03-06 18:35:55 +00:00
Mats	8460c157a5	Commit API	2016-03-06 19:27:26 +01:00
Mats	0b807569ad	Implement 1.9 BossBarAPI for developers	2016-03-06 19:20:39 +01:00
Myles	75d001d09b	Merge pull request #157 from rj0495/patch-3 Travis Build Status	2016-03-06 17:37:37 +00:00
Ryan James	2118379cf7	Travis Build Status	2016-03-06 17:35:54 +00:00
Myles	cd2441ee52	Update README.md	2016-03-06 17:22:56 +00:00
Myles	ffb4fb5c5a	Merge pull request #155 from sgdc3/master Improve POM and fix dead code	2016-03-06 16:48:41 +00:00
Myles	c404f2206c	Blame a class when the childHandler doesn't inject	2016-03-06 16:16:26 +00:00
Gabriele C	aec5aa48da	Bump	2016-03-06 16:38:58 +01:00
Gabriele C	b63051a796	Improve POM and fix dead code	2016-03-06 16:36:54 +01:00
Myles	ea4650000e	Bump to 0.5.5	2016-03-06 15:16:36 +00:00
Myles	2d2018b8d0	Disable latest feature due to it breaking signs (no more sync chunks for now)	2016-03-06 15:10:54 +00:00
HugoDaBosss	736a853a85	Merge pull request #153 from HugoDaBosss/patch Make Metadata Rewriter exception output more clear	2016-03-06 16:00:50 +01:00
HugoDaBosss	dfd4c5f93e	Formatting	2016-03-06 15:55:53 +01:00
HugoDaBosss	2ac87acc8a	Make Metadata Rewriter exception output more clear	2016-03-06 15:52:06 +01:00
Myles	3c5a6a3b7b	Fix README, also change a bit of the fixJson so that it can handle quotes on signs.	2016-03-06 14:40:23 +00:00
Myles	6efb5c1b64	Merge pull request #151 from HugoDaBosss/patch Fix checkforupdates changing from false to true	2016-03-06 14:20:45 +00:00
HugoDaBosss	91de7e5a22	Fix checkforupdates changing from false to true FIXED: When starting the server when checkforupdates is false, it won't register the listener. So when you enable checkforupdates using /viaversion dontbugme it won't send you messages until a restart.	2016-03-06 15:11:36 +01:00
Myles	1c42ae1ee8	Update version to 0.5.4	2016-03-06 13:52:38 +00:00
Myles	c5ac3c9b3d	Don't freeze current thread when sending chunks	2016-03-06 13:49:33 +00:00
Myles	0ea32b3318	Merge pull request #150 from HugoDaBosss/patch Fix mob spawners when no EntityId is given	2016-03-06 13:45:56 +00:00
Myles	8afc850ed3	Add new config option "sync-chunks", chunks will now be sent in sync with the MC thread when true, this fixes timings (paper spigot mostly issue)	2016-03-06 13:45:26 +00:00
HugoDaBosss	3c6dcfe5bf	Update OutgoingTransformer.java	2016-03-06 14:42:50 +01:00
HugoDaBosss	59d637e0f5	More formatting (stupid eclipse)	2016-03-06 14:42:22 +01:00
HugoDaBosss	923f3088c0	Formatting	2016-03-06 14:40:52 +01:00
HugoDaBosss	4f8aff9c01	Forgot to remove debug message	2016-03-06 14:37:51 +01:00
HugoDaBosss	99ceb9ae79	Fix mob spawners when no EntityId is given	2016-03-06 14:32:57 +01:00
Myles	6e0554f4a4	Fix enchanting tooltips	2016-03-06 13:22:56 +00:00
Myles	36879f8d02	Fix small issue with updater	2016-03-06 13:02:54 +00:00
Myles	fe77df1434	Fix brewing #141	2016-03-06 12:25:54 +00:00
Myles	713361f973	Merge pull request #148 from StamBoom/master Fix commandblock minecarts	2016-03-06 11:20:50 +00:00
Mats	a314b86f57	Fix commandblock minecarts	2016-03-06 12:18:18 +01:00
Myles	840c90f871	Don't use GSON >.>	2016-03-06 11:03:41 +00:00
Myles	2a247595c8	Handle invalid version numbers	2016-03-06 10:49:21 +00:00
Myles	4124c3454e	Change it so when there is no connection we don't bug them. Also change it to use http instead of https, as https requires certain certificate info by linux.	2016-03-06 10:46:38 +00:00
HugoDaBosss	c4185e3056	Merge pull request #147 from fillefilip8/patch-4 Made the config use the default bukkit config methods insteed.	2016-03-06 10:56:07 +01:00
fillefilip8	d6403d495d	Opps :) Github likes me :D Removed the new api methods from this branch :D	2016-03-06 10:42:26 +01:00
fillefilip8	d7f54048ff	Made the config use the default bukkit config methods insteed.	2016-03-06 10:39:58 +01:00
Myles	e487eeb395	Update to 0.5.3, add inventory title tracking so we're working towards some of the inventory bugs with new ones.	2016-03-06 00:25:24 +00:00
Myles	0d0e1c16ea	Fix issue with formatting :) (fixes quotes)	2016-03-05 23:24:23 +00:00
Myles	f462ff9e8a	Fix weird closedchannel bug	2016-03-05 22:16:43 +00:00
Myles	5582556d8a	Fix issue with biomes on chunks, #125	2016-03-05 22:05:17 +00:00
Myles	ef6214a442	Fix getHandItem across reloads, though half the things will still break on reload :(	2016-03-05 21:23:14 +00:00
Myles	369710333c	Change updating so it doesn't tell you on current version up to date but warns if you're on a newer version than expected / older one in console.	2016-03-05 21:15:51 +00:00
Myles	30c4fea044	Add new /viaversion dontbugme, change method if the version looks like it's custom / debug (not compiled by maven)	2016-03-05 20:54:35 +00:00
Myles	eccc5091b5	Merge pull request #139 from HugoDaBosss/master Added proper update message (based on checkplys)	2016-03-05 20:40:48 +00:00
HugoDaBosss	65770d7c5b	Added proper update message	2016-03-05 21:37:12 +01:00
Myles	715e873bae	Bump version to 0.5.2	2016-03-05 20:21:21 +00:00
Myles	eced599818	Merge pull request #138 from StamBoom/master Fix commandblocks	2016-03-05 20:06:54 +00:00
Mats	6db7755633	Fix commandblocks	2016-03-05 20:36:06 +01:00
Myles	653c3d3984	Merge pull request #131 from StamBoom/patch Fix book formatting and invalid book tag at empty book	2016-03-05 19:18:39 +00:00
HugoDaBosss	5ca841837d	Added BungeeCord to the Issue Template	2016-03-05 20:04:16 +01:00
HugoDaBosss	554e037044	Merge pull request #133 from fillefilip8/patch-2 Fixed some maven warnings.	2016-03-05 19:48:26 +01:00
fillefilip8	457d7e4777	Fixed some maven warnings.	2016-03-05 14:37:01 +01:00
Mats	b3dc465498	Remove debug message	2016-03-05 11:35:32 +01:00
Mats	c56109a64c	Fix book formatting and invalid book tag at empty book	2016-03-05 11:30:17 +01:00
Myles	d5e720fe09	Merge pull request #130 from HugoDaBosss/patch-8 Fix spawners showing the correct mob	2016-03-05 00:28:24 +00:00
HugoDaBosss	a42526bb88	Small formatting	2016-03-05 01:24:15 +01:00
HugoDaBosss	bd5f44b477	Fixed spawners showing the correct mob	2016-03-05 01:21:37 +01:00
Myles	d5d8881677	Add debug to show metadata ID on error	2016-03-04 23:30:37 +00:00
Myles	ac2178a247	Add debug mode so we can analyse packets	2016-03-04 23:10:07 +00:00
Myles	24fa8aec35	Removed channel closed exception	2016-03-04 23:07:22 +00:00
Myles	2ba92a0d47	Merge pull request #126 from HugoDaBosss/herobrine Removed Herobrine.	2016-03-04 23:03:45 +00:00
HugoDaBosss	ace178834e	Removed Herobrine.	2016-03-05 00:00:50 +01:00
HugoDaBosss	9c88d0a37f	Merge pull request #10 from MylesIsCool/master Update from master	2016-03-04 23:54:38 +01:00
Myles	bafc1b6799	Merge pull request #122 from HugoDaBosss/patch-7 Fixed double flint and steel sound and added support to ignore sounds in 1.9	2016-03-04 22:29:39 +00:00
HugoDaBosss	c9a575f45d	Merge pull request #9 from MylesIsCool/master Update Version I accidentally deployed debug version - 0.5.1	2016-03-04 23:23:44 +01:00
HugoDaBosss	c071c895e7	Fixed double flint and steel sound and added support to ignore sounds in 1.9	2016-03-04 22:58:40 +01:00
Myles	a8799bd493	Update Version I accidentally deployed debug version - 0.5.1	2016-03-04 21:51:56 +00:00
HugoDaBosss	20d4a94792	Merge pull request #8 from MylesIsCool/master Update from master	2016-03-04 22:33:12 +01:00
Myles	89e0948f97	Updated version to 0.5.0 :)	2016-03-04 21:21:51 +00:00
Myles	6fe3c15f7d	Remove 1.9 chunk unloading, should fix #38	2016-03-04 21:16:12 +00:00
Myles	fb5dace6a6	Add armour, based on HugoDaBoss code but modified to work correctly with shift click. Also fix small issue from last commit.	2016-03-04 20:03:46 +00:00
Myles	f71e51c85e	Add packet sending to API	2016-03-04 19:24:44 +00:00
HugoDaBosss	0dd530a593	Merge pull request #7 from MylesIsCool/master Update from master	2016-03-04 14:43:10 +01:00
Myles	12df86a142	As per wiki.vg only unload if bitmask = 0 and full chunk (not sure if this fixes chunk issue)	2016-03-04 10:09:06 +00:00
Myles	963f021226	Fix books, also makes ItemSlotRewriter.ItemStack fields public	2016-03-04 10:04:50 +00:00
Myles	cb4a8b24d4	Merge pull request #113 from fillefilip8/patch-1 Some README.md fixes.	2016-03-04 09:10:05 +00:00
fillefilip8	76c908b132	Update README.md	2016-03-04 10:05:44 +01:00
Myles	89311af76a	Small issue with README	2016-03-04 09:05:05 +00:00
fillefilip8	1ecf515006	Fixed README formatting.	2016-03-04 09:58:31 +01:00
Myles	5c18028577	Bump version to 0.4.9	2016-03-04 08:14:26 +00:00
Myles	678a7de664	Correct README	2016-03-04 01:02:35 +00:00
Myles	0aa190353e	Add potions, including splash.	2016-03-04 01:01:04 +00:00
Myles	a42b113618	Use new JSONParsers or they all implode.	2016-03-03 23:40:09 +00:00
Myles	2704611977	Cancel sounds properly, fixes block placing issue on bungee. Updated version to 0.4.8	2016-03-03 22:48:17 +00:00
Myles	be6245e693	Bump version 0.4.7	2016-03-03 22:46:17 +00:00
Myles	d7b7c4916a	Read any remaining bytes, not sure if this fixes any errors but we ideally should to prevent issues.	2016-03-03 22:01:49 +00:00
Myles	caae4e4cca	Merge pull request #108 from gigosaurus/patch-2 Fix some MalformedJsonExceptions	2016-03-03 21:33:57 +00:00
gigosaurus	ee58fbedbe	Fix some MalformedJsonExceptions This should fix the last possible cause of issue #70	2016-03-03 21:28:40 +00:00
Myles	a84b45f5dd	Add new contributor, make format of output match spigot	2016-03-03 21:15:20 +00:00
Myles	c2edf45846	Change package for slot rewriter.	2016-03-03 21:06:36 +00:00
Myles	88ff4ee9ca	Merge pull request #96 from Mystalion/spawnegg-and-potions support for rewriting SpawnEggs	2016-03-03 21:03:50 +00:00
Paulomart	fd704f6a29	Merge remote-tracking branch 'origin/spawnegg-and-potions' Conflicts: src/main/java/us/myles/ViaVersion/transformers/OutgoingTransformer.java src/main/java/us/myles/ViaVersion/util/PacketUtil.java	2016-03-03 21:38:16 +01:00
Paulomart	c97b443cf2	I dont even Java.	2016-03-03 21:32:01 +01:00
Paulomart	00df80e6fd	Replace nms code with fancy library and own code.	2016-03-03 21:31:56 +01:00
Paulomart	64c2ba243f	Basic support for rewriting SpawnEggs and Potions, still needs more work	2016-03-03 21:31:50 +01:00
Myles	0ad2e6478d	Merge pull request #103 from StamBoom/master Fix skin overlay	2016-03-03 19:56:55 +00:00
Myles	ab9f786999	Don't send a signed byte for digging.	2016-03-03 19:56:00 +00:00
Mats	e826b339f6	Fixed missing Player metadata	2016-03-03 20:49:29 +01:00
Mats	f06851f57a	Fix skin overlay	2016-03-03 20:37:46 +01:00
Myles	1a90f0eb28	Use new method for finding cause, might need updating with disconnect. Can't replicate disconnect spam on any version on my machine. Also move to JSON for all because older versions don't have GSON :( in main package	2016-03-03 19:24:37 +00:00
Myles	fee986d215	Make the injectors work in any 1.8 version. Now looks through fields for suitable in case of different field names also construct slot using known arguments.	2016-03-03 18:12:10 +00:00
fillefilip8	9108e78491	Added more yml info and remove author name from the message in the command.	2016-03-03 18:30:13 +01:00
Myles	1b75526892	Implement changes to entity effect	2016-03-03 18:30:00 +01:00
fillefilip8	5930a83765	Added a command and a new API function "getVersion()"	2016-03-03 18:29:59 +01:00
fillefilip8	ef118a3a64	* One JavaDoc to the api XD * Added faster way to change version number.	2016-03-03 17:33:47 +01:00
fillefilip8	bb42cda4a8	.	2016-03-03 17:33:28 +01:00
fillefilip8	121bc9de6c	* Modifyed that fancy message when 1.9 clients try to enter a Minecart or a Boat :) * Renamed the listener to something better.	2016-03-03 17:33:27 +01:00
fillefilip8	1e873c123c	Added that fancy message when 1.9 clients try to enter a Minecart :)	2016-03-03 17:33:27 +01:00
Myles	c704b3709a	Implement changes to entity effect	2016-03-03 15:17:31 +00:00
HugoDaBosss	618e09b202	Merge pull request #6 from MylesIsCool/master Update from master	2016-03-03 14:13:41 +01:00
Myles	fd0bd53826	Bump version to 0.4.6	2016-03-03 13:07:57 +00:00
Myles	e11c8320f0	Merge pull request #83 from StamBoom/master Fix unmount	2016-03-03 12:56:54 +00:00
Myles	624595e9f6	Merge pull request #84 from HugoDaBosss/patch-4 Fix animals appearing as babies instead of parents	2016-03-03 12:56:37 +00:00
HugoDaBosss	cc813545d8	Formatting	2016-03-03 12:22:54 +01:00
HugoDaBosss	e1ba6e07c2	Fix animals appearing as babies instead of parent	2016-03-03 12:20:19 +01:00
Mats	1bf49b1f0b	Fix unmount	2016-03-03 12:18:23 +01:00
HugoDaBosss	5e34fda7e4	Merge pull request #4 from MylesIsCool/master Merge from master	2016-03-03 12:17:06 +01:00
Myles	aa70ab8b78	Extra line	2016-03-03 10:37:43 +00:00
Myles	186ba22dc8	Update README with chat, and change issue template	2016-03-03 10:37:10 +00:00
Myles	b10aa30d9b	Change error correction to use super, should restore default functionality to errors.	2016-03-03 10:24:01 +00:00
Myles	615b9f847c	Merge pull request #77 from HugoDaBosss/patch-2 Don't send malformed JSON anymore, preventing kicks.	2016-03-03 10:04:54 +00:00
Myles	8f132fed14	Merge pull request #64 from HugoDaBosss/master Fixed double placing sound and small packet finding optimization. (I suck at github)	2016-03-03 10:04:33 +00:00
HugoDaBosss	854e24f8fc	More formatting	2016-03-03 10:47:22 +01:00
HugoDaBosss	ff0544f29a	Eclipse is changing my bracket markup x.x	2016-03-03 10:46:38 +01:00
HugoDaBosss	72ae12bc77	Don't send malformed JSON anymore, preventing kicks.	2016-03-03 10:44:57 +01:00
HugoDaBosss	29d2334ef0	Fixed bracket markup ;)	2016-03-03 10:09:38 +01:00
HugoDaBosss	afb96c4878	Fixed double break sound	2016-03-03 10:06:24 +01:00
HugoDaBosss	e4346611c9	Small optimization	2016-03-03 01:40:24 +01:00
BuildTools	f15e11272a	Merge branch 'master' of https://github.com/HugoDaBosss/ViaVersion	2016-03-03 01:37:25 +01:00
HugoDaBosss	8764d24a16	Merge pull request #3 from MylesIsCool/master Update from Fork	2016-03-03 01:37:25 +01:00
HugoDaBosss	b6c2a46a86	Merge pull request #2 from MylesIsCool/master Update From Original #2	2016-03-02 11:44:24 +01:00