testexample unregistered

Bump netty-all from 4.0.23.Final to 4.1.42.Final

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>me.retrooper</groupId>
     <artifactId>packetevents</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.3</version>
     <packaging>jar</packaging>
 
     <name>PacketEvents</name>
@@ -54,10 +54,6 @@
     </build>
 
     <repositories>
-        <repository>
-            <id>jitpack.io</id>
-            <url>https://jitpack.io</url>
-        </repository>
         <repository>
             <id>spigot-repo</id>
             <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
@@ -73,12 +69,13 @@
             <groupId>com.mojang</groupId>
             <artifactId>authlib</artifactId>
             <version>1.5.21</version>
+            <scope>compile</scope>
         </dependency>
-        <!-- https://mvnrepository.com/artifact/io.netty/netty-all -->
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.0.23.Final</version>
+            <version>4.1.42.Final</version>
+            <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.bukkit</groupId>

src/main/java/com/comphenix/tinyprotocol/ExamplePlugin.java

@@ -1,114 +0,0 @@
-package com.comphenix.tinyprotocol;
-
-import io.netty.channel.Channel;
-
-import org.bukkit.*;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.bukkit.plugin.java.JavaPlugin;
-import com.comphenix.tinyprotocol.Reflection.*;
-
-/**
- * Represents an example plugin utilizing TinyProtocol
- */
-public class ExamplePlugin extends JavaPlugin {
-	// Chat packets
-	private FieldAccessor<String> CHAT_MESSAGE = Reflection.getField("{nms}.PacketPlayInChat", String.class, 0);
-
-	// Explosion packet
-	private Class<?> particleClass = Reflection.getClass("{nms}.PacketPlayOutWorldParticles");
-	private FieldAccessor<String> particleName = Reflection.getField(particleClass, String.class, 0);
-	private FieldAccessor<Float> particleX = Reflection.getField(particleClass, float.class, 0);
-	private FieldAccessor<Float> particleY = Reflection.getField(particleClass, float.class, 1);
-	private FieldAccessor<Float> particleZ = Reflection.getField(particleClass, float.class, 2);
-	private FieldAccessor<Integer> particleCount = Reflection.getField(particleClass, int.class, 0);
-
-	// Server info packet
-	private Class<?> serverInfoClass = Reflection.getClass("{nms}.PacketStatusOutServerInfo");
-	private Class<Object> serverPingClass = Reflection.getUntypedClass("{nms}.ServerPing");
-	private Class<Object> playerSampleClass = Reflection.getUntypedClass("{nms}.ServerPingPlayerSample");
-	private FieldAccessor<Object> serverPing = Reflection.getField(serverInfoClass, serverPingClass, 0);
-	private FieldAccessor<Object> playerSample = Reflection.getField(serverPingClass, playerSampleClass, 0);
-	private ConstructorInvoker playerSampleInvoker = Reflection.getConstructor(playerSampleClass, int.class, int.class);
-
-	private TinyProtocol protocol;
-
-	@Override
-	public void onEnable() {
-		protocol = new TinyProtocol(this) {
-
-			@Override
-			public Object onPacketInAsync(Player sender, Channel channel, Object packet) {
-				// Cancel chat packets
-				if (CHAT_MESSAGE.hasField(packet)) {
-					if (CHAT_MESSAGE.get(packet).contains("dirty")) {
-						sendExplosion(sender);
-						return null;
-					}
-				}
-
-				if (particleName.hasField(packet)) {
-					System.out.println("Sending particle field:" + packet);
-				}
-
-				return super.onPacketInAsync(sender, channel, packet);
-			}
-
-			@Override
-			public Object onPacketOutAsync(Player reciever, Channel channel, Object packet) {
-				if (serverInfoClass.isInstance(packet)) {
-					Object ping = serverPing.get(packet);
-					playerSample.set(ping, playerSampleInvoker.invoke(1000, 0));
-
-					// Which is equivalent to:
-					// serverPing.get(packet).setPlayerSample(new ServerPingPlayerSample(1000, 0));
-					return packet;
-				}
-
-				return super.onPacketOutAsync(reciever, channel, packet);
-			}
-
-		};
-	}
-
-	@Override
-	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-		if (sender instanceof Player) {
-			Player player = (Player) sender;
-
-			// Toggle injection
-			if (protocol.hasInjected(player)) {
-				protocol.uninjectPlayer(player);
-				sender.sendMessage(ChatColor.YELLOW + "Player " + player + " has been uninjected.");
-			} else {
-				protocol.injectPlayer(player);
-				sender.sendMessage(ChatColor.DARK_GREEN + "Player " + player + " has been injected.");
-			}
-
-			return true;
-		} else {
-			sender.sendMessage(ChatColor.RED + "Can only be invoked by a player.");
-		}
-
-		return false;
-	}
-
-	private void sendExplosion(Player player) {
-		try {
-			// Only visible for the client
-			Object explosionPacket = particleClass.newInstance();
-			Location loc = player.getLocation();
-			particleName.set(explosionPacket, "hugeexplosion");
-			particleX.set(explosionPacket, (float) loc.getX());
-			particleY.set(explosionPacket, (float) loc.getY());
-			particleZ.set(explosionPacket, (float) loc.getZ());
-			particleCount.set(explosionPacket, 1);
-
-			// Send the packet to the player
-			protocol.sendPacket(player, explosionPacket);
-		} catch (Exception e) {
-			throw new RuntimeException("Cannot send packet.", e);
-		}
-	}
-}

src/main/java/me/purplex/packetevents/Main.java

@@ -2,8 +2,9 @@ package me.purplex.packetevents;
 
 import com.comphenix.tinyprotocol.*;
 import io.netty.channel.Channel;
-import me.purplex.packetevents.events.PacketReceiveEvent;
-import me.retrooper.packetevents.events.*;
+import me.purplex.packetevents.events.packetevent.PacketSendEvent;
+import me.purplex.packetevents.events.packetevent.ServerTickEvent;
+import me.purplex.packetevents.events.packetevent.PacketReceiveEvent;
 import me.purplex.packetevents.example.TestExample;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
@@ -16,7 +17,7 @@ public class Main extends JavaPlugin implements Listener {
     @Override
     public void onEnable() {
         Bukkit.getPluginManager().registerEvents(this, this);
-        PacketEvents.getPacketManager().registerPacketListener(new TestExample());
+        //PacketEvents.getPacketManager().registerPacketListener(new TestExample());
         protocol = new TinyProtocol(this) {
             @Override
             public Object onPacketInAsync(Player p, Channel channel, Object packet) {
@@ -24,7 +25,11 @@ public class Main extends JavaPlugin implements Listener {
                 if(p == null)  return super.onPacketInAsync(null, channel, packet);
                 if(channel == null)  return super.onPacketInAsync(p, null, packet);
                 String packetName = packet.getClass().getSimpleName();
-                PacketEvents.getPacketManager().callPacketReceiveEvent(new PacketReceiveEvent(p, packetName, packet));
+                PacketReceiveEvent e = new PacketReceiveEvent(p, packetName, packet);
+                PacketEvents.getPacketManager().callPacketReceiveEvent(e);
+                if(e.isCancelled()) {
+                    return super.onPacketInAsync(null, null, null);
+                }
                 return super.onPacketInAsync(p, channel, packet);
             }
 
@@ -34,11 +39,23 @@ public class Main extends JavaPlugin implements Listener {
                 if(p == null)  return super.onPacketInAsync(null, channel, packet);
                 if(channel == null)  return super.onPacketInAsync(p, null, packet);
                 String packetName = packet.getClass().getSimpleName();
-                PacketEvents.getPacketManager().callPacketReceiveEvent(new PacketReceiveEvent(p, packetName, packet));
+                PacketSendEvent e = new PacketSendEvent(p, packetName, packet);
+                PacketEvents.getPacketManager().callPacketSendEvent(e);
+                if(e.isCancelled()) {
+                    return super.onPacketOutAsync(null, null, null);
+                }
                 return super.onPacketOutAsync(p, channel, packet);
             }
         };
 
+        Bukkit.getScheduler().scheduleAsyncRepeatingTask(this, new Runnable() {
+            @Override
+            public void run() {
+                long now = System.currentTimeMillis();
+                PacketEvents.getPacketManager().callServerTickEvent(new ServerTickEvent(now));
+            }
+        },  0L, 1L);
+
     }
     @Override
     public void onDisable() {

src/main/java/me/purplex/packetevents/PacketEvents.java

@@ -1,6 +1,6 @@
 package me.purplex.packetevents;
 
-import me.purplex.packetevents.events.PacketManager;
+import me.purplex.packetevents.events.manager.PacketManager;
 
 public class PacketEvents {
     private static PacketManager packetManager;

src/main/java/me/purplex/packetevents/enums/EntityUseAction.java

@@ -0,0 +1,5 @@
+package me.purplex.packetevents.enums;
+
+public enum EntityUseAction {
+    INTERACT, INTERACT_AT, ATTACK, INVALID, WRONG_PACKET;
+}

src/main/java/me/purplex/packetevents/enums/PlayerAction.java

@@ -0,0 +1,21 @@
+package me.purplex.packetevents.enums;
+
+public enum PlayerAction {
+    START_SNEAKING,
+
+    STOP_SNEAKING,
+
+    STOP_SLEEPING,
+
+    START_SPRINTING,
+
+    STOP_SPRINTING,
+
+    START_RIDING_JUMP,
+
+    STOP_RIDING_JUMP,
+
+    OPEN_INVENTORY,
+
+    START_FALL_FLYING, WRONG_PACKET;
+}

src/main/java/me/purplex/packetevents/enums/PlayerDigType.java

@@ -0,0 +1,23 @@
+package me.purplex.packetevents.enums;
+
+public enum PlayerDigType {
+
+    START_DESTROY_BLOCK,
+
+    ABORT_DESTROY_BLOCK,
+
+    STOP_DESTROY_BLOCK,
+
+    DROP_ALL_ITEMS,
+
+    DROP_ITEM,
+
+    RELEASE_USE_ITEM,
+
+    SWAP_HELD_ITEMS,
+
+    WRONG_PACKET;
+
+
+
+}

src/main/java/me/purplex/packetevents/events/PacketListener.java

@@ -1,4 +0,0 @@
-package me.purplex.packetevents.events;
-
-public interface PacketListener  {
-}

src/main/java/me/purplex/packetevents/events/PacketReceiveEvent.java

@@ -1,34 +0,0 @@
-package me.purplex.packetevents.events;
-
-import org.bukkit.entity.Player;
-
-public class PacketReceiveEvent extends PacketEvent {
-
-    private Player player;
-    private String name;
-    private Object packet;
-    private long timestamp;
-    public PacketReceiveEvent(Player player, String packetName, Object packet) {
-        this.player = player;
-        this.name = packetName;
-        this.packet = packet;
-        this.timestamp = (System.nanoTime() / 1000000);
-    }
-
-
-    public Player getPlayer() {
-        return this.player;
-    }
-
-    public String getPacketName() {
-        return this.name;
-    }
-
-    public Object getPacket() {
-        return this.packet;
-    }
-
-    public long getTimestamp() {
-        return timestamp;
-    }
-}

src/main/java/me/purplex/packetevents/events/PacketSendEvent.java

@@ -1,35 +0,0 @@
-package me.purplex.packetevents.events;
-
-import org.bukkit.entity.Player;
-
-public class PacketSendEvent extends PacketEvent {
-
-    private Player player;
-    private String name;
-    private Object packet;
-    private long timestamp;
-    public PacketSendEvent(Player player, String packetName, Object packet) {
-        this.player = player;
-        this.name = packetName;
-        this.packet = packet;
-        this.timestamp = (System.nanoTime() / 1000000);
-    }
-
-
-    public Player getPlayer() {
-        return this.player;
-    }
-
-    public String getPacketName() {
-        return this.name;
-    }
-
-    public Object getPacket() {
-        return this.packet;
-    }
-
-    public long getTimestamp() {
-        return timestamp;
-    }
-}
-

src/main/java/me/purplex/packetevents/events/eventmanager/PacketEventManager.java

@@ -1,4 +1,9 @@
-package me.purplex.packetevents.events;
+package me.purplex.packetevents.events.eventmanager;
+
+import me.purplex.packetevents.events.packetevent.ServerTickEvent;
+import me.purplex.packetevents.events.listener.PacketListener;
+import me.purplex.packetevents.events.packetevent.PacketReceiveEvent;
+import me.purplex.packetevents.events.packetevent.PacketSendEvent;
 
 import java.util.LinkedList;
 
@@ -10,4 +15,6 @@ public interface PacketEventManager {
 
     public void registerPacketListener(PacketListener e);
 
+    public void callServerTickEvent(ServerTickEvent e);
+
 }

src/main/java/me/purplex/packetevents/events/handler/PacketHandler.java

@@ -1,6 +1,4 @@
-package me.purplex.packetevents.events;
-
-import org.bukkit.event.EventHandler;
+package me.purplex.packetevents.events.handler;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;

src/main/java/me/purplex/packetevents/events/listener/PacketListener.java

@@ -0,0 +1,4 @@
+package me.purplex.packetevents.events.listener;
+
+public interface PacketListener  {
+}

src/main/java/me/purplex/packetevents/events/manager/PacketManager.java

@@ -1,4 +1,11 @@
-package me.purplex.packetevents.events;
+package me.purplex.packetevents.events.manager;
+
+import me.purplex.packetevents.events.packetevent.ServerTickEvent;
+import me.purplex.packetevents.events.eventmanager.PacketEventManager;
+import me.purplex.packetevents.events.handler.PacketHandler;
+import me.purplex.packetevents.events.listener.PacketListener;
+import me.purplex.packetevents.events.packetevent.PacketReceiveEvent;
+import me.purplex.packetevents.events.packetevent.PacketSendEvent;
 
 import java.lang.reflect.Method;
 
@@ -44,4 +51,22 @@ public class PacketManager implements PacketEventManager {
     public void registerPacketListener(PacketListener e) {
         this.packetListeners.add(e);
     }
+
+    @Override
+    public void callServerTickEvent(ServerTickEvent e) {
+        for (PacketListener listener : this.packetListeners) {
+            Method[] methods = listener.getClass().getMethods();
+            for (Method m : methods) {
+                if (m.isAnnotationPresent(PacketHandler.class)) {
+                    if (m.getParameterTypes()[0].getSimpleName().equals(e.getClass().getSimpleName())) {
+                        try {
+                            m.invoke(listener, e);
+                        } catch (Exception ex) {
+
+                        }
+                    }
+                }
+            }
+        }
+    }
 }

src/main/java/me/purplex/packetevents/events/packetevent/PacketReceiveEvent.java

@@ -0,0 +1,148 @@
+package me.purplex.packetevents.events.packetevent;
+
+import com.comphenix.tinyprotocol.Reflection;
+import com.comphenix.tinyprotocol.Reflection.*;
+import me.purplex.packetevents.enums.EntityUseAction;
+import me.purplex.packetevents.enums.PlayerAction;
+import me.purplex.packetevents.enums.PlayerDigType;
+import me.purplex.packetevents.events.PacketEvent;
+import org.apache.commons.lang3.reflect.FieldUtils;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.entity.*;
+
+public class PacketReceiveEvent extends PacketEvent {
+
+    private Player player;
+    private String name;
+    private Object packet;
+    private long timestamp;
+    private boolean cancelled;
+
+    public PacketReceiveEvent(Player player, String packetName, Object packet) {
+        this.player = player;
+        this.name = packetName;
+        this.packet = packet;
+        this.timestamp = (System.nanoTime() / 1000000);
+        this.cancelled = false;
+    }
+
+
+    public Player getPlayer() {
+        return this.player;
+    }
+
+    public String getPacketName() {
+        return this.name;
+    }
+
+    public Object getPacket() {
+        return this.packet;
+    }
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    /**
+     * Get the type of dig
+     * PacketPlayInBlockDig
+     * @return
+     */
+    public PlayerDigType getPlayerDigType() {
+        String c = String.valueOf(Reflection.getMethod(packet.getClass(), "c").invoke(packet));
+        PlayerDigType type;
+        try {
+            type = PlayerDigType.valueOf(c);
+        } catch (IllegalArgumentException e) {
+            type = PlayerDigType.WRONG_PACKET;
+        }
+        return type;
+    }
+
+    /**
+     * Get the entity interact action
+     * PacketPlayInUseEntity
+     * @return
+     */
+    public EntityUseAction getEntityUseAction() {
+        Object action = null;
+        try {
+            action = FieldUtils.readDeclaredField(packet, "action", true);
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+        for (EntityUseAction a : EntityUseAction.values()) {
+            if (a.toString().equalsIgnoreCase(action.toString())) {
+                return a;
+            }
+        }
+        return EntityUseAction.WRONG_PACKET;
+    }
+
+    /**
+     * Get the PlayerAction
+     * PacketPlayInEntityAction
+     * @return
+     */
+    public PlayerAction getPlayerAction() {
+        Object animation = null;
+        try {
+            animation = FieldUtils.readDeclaredField(packet, "animation", true);
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+        for (PlayerAction a : PlayerAction.values()) {
+            if (a.toString().equalsIgnoreCase(animation.toString())) {
+                return a;
+            }
+        }
+        return PlayerAction.WRONG_PACKET;
+    }
+
+    /**
+     * Entity you interacted with
+     * PacketPlayInUseEntity
+     * @return
+     */
+    public Entity getInteractedEntity() {
+        try {
+            FieldAccessor<Integer> field = Reflection.getField(packet.getClass(), int.class, 0);
+            int id = field.get(packet);
+            for (Entity e : player.getWorld().getEntities()) {
+                if (e.getEntityId() == id) {
+                    return e;
+                }
+            }
+            for(World w : Bukkit.getWorlds()) {
+                for(Entity e  : w.getEntities()) {
+                    if(e.getEntityId() == id) {
+                        return e;
+                    }
+                }
+            }
+        } catch (Exception ex) {
+        }
+        return null;
+    }
+
+    /**
+     * Get the string message
+     * PacketPlayInChat
+     * @return
+     */
+    public String getChatPacketMessage() {
+        FieldAccessor<String> field = Reflection.getField(packet.getClass(), String.class, 0);
+        String message = field.get(packet);
+        return message;
+    }
+
+}

src/main/java/me/purplex/packetevents/events/packetevent/PacketSendEvent.java

@@ -0,0 +1,109 @@
+package me.purplex.packetevents.events.packetevent;
+
+import com.comphenix.tinyprotocol.Reflection;
+import com.comphenix.tinyprotocol.Reflection.*;
+import me.purplex.packetevents.events.PacketEvent;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+
+public class PacketSendEvent extends PacketEvent {
+
+    private Player player;
+    private String name;
+    private Object packet;
+    private long timestamp;
+    private boolean cancelled;
+    public PacketSendEvent(Player player, String packetName, Object packet) {
+        this.player = player;
+        this.name = packetName;
+        this.packet = packet;
+        this.timestamp = (System.nanoTime() / 1000000);
+        this.cancelled = false;
+    }
+
+
+    public Player getPlayer() {
+        return this.player;
+    }
+
+    public String getPacketName() {
+        return this.name;
+    }
+
+    public Object getPacket() {
+        return this.packet;
+    }
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    /**
+     * Get Velocity entity
+     * PacketPlayOutEntityVelocity
+     * @return
+     */
+    public Entity getVelocityEntity() {
+        //WorldServer s;
+        FieldAccessor<Integer> field = Reflection.getField(packet.getClass(), int.class, 0);
+        int id = field.get(packet);
+        for(World w : Bukkit.getWorlds()) {
+            for(Entity e : w.getEntities()) {
+                if(e.getEntityId() == id) {
+                    return e;
+                }
+            }
+        }
+        return null;
+    }
+
+
+    /**
+     * Get X velocity
+     * PacketPlayOutEntityVelocity
+     * @return x
+     */
+    public double getVelocityX() {
+        FieldAccessor<Integer> field = Reflection.getField(packet.getClass(), int.class, 1);
+        int i = field.get(packet);
+        double x = i / 8000.0;
+        return x;
+    }
+
+    /**
+     * Get Y velocity
+     * PacketPlayOutEntityVelocity
+     * @return y
+     */
+    public double getVelocityY() {
+        FieldAccessor<Integer> field = Reflection.getField(packet.getClass(), int.class, 2);
+        int i = field.get(packet);
+        double y = i / 8000.0;
+        return y;
+    }
+
+    /**
+     * Get Z velocity
+     * PacketPlayOutEntityVelocity
+     * @return z
+     */
+    public double getVelocityZ() {
+        FieldAccessor<Integer> field = Reflection.getField(packet.getClass(), int.class, 3);
+        int i = field.get(packet);
+        double z = i / 8000.0;
+        return z;
+    }
+
+}
+

src/main/java/me/purplex/packetevents/events/packetevent/ServerTickEvent.java

@@ -0,0 +1,19 @@
+package me.purplex.packetevents.events.packetevent;
+
+import me.purplex.packetevents.events.PacketEvent;
+
+
+public class ServerTickEvent extends PacketEvent {
+
+    private long timestamp;
+    public ServerTickEvent(long timestamp) {
+        this.timestamp = timestamp;
+    }
+
+
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+}

src/main/java/me/purplex/packetevents/example/TestExample.java

@@ -1,22 +1,64 @@
 package me.purplex.packetevents.example;
 
-import me.purplex.packetevents.events.PacketHandler;
-import me.purplex.packetevents.events.PacketListener;
-import me.purplex.packetevents.events.PacketReceiveEvent;
-import me.purplex.packetevents.events.PacketSendEvent;
+import me.purplex.packetevents.enums.EntityUseAction;
+import me.purplex.packetevents.enums.PlayerAction;
+import me.purplex.packetevents.enums.PlayerDigType;
+import me.purplex.packetevents.events.packetevent.ServerTickEvent;
+import me.purplex.packetevents.events.handler.PacketHandler;
+import me.purplex.packetevents.events.listener.PacketListener;
+import me.purplex.packetevents.events.packetevent.PacketReceiveEvent;
+import me.purplex.packetevents.events.packetevent.PacketSendEvent;
 import me.purplex.packetevents.packets.Packet;
-import me.retrooper.packetevents.events.*;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
 
 public class TestExample implements PacketListener {
+    /**
+     * How to register a packet listener?
+     * <p>
+     * PacketEvents.getPacketManager().registerPacketListener(new TestExample());
+     */
+
+    private int tick;
+
+
     @PacketHandler
     public void onPacketReceive(PacketReceiveEvent e) {
-        if (e.getPacketName().equals(Packet.Client.POSITION)) {
-            e.getPlayer().sendMessage("You sent a position packet!");
+        //ONLY CLIENT PACKETS ALLOWED HERE!
+        if (e.getPacketName().equals(Packet.Client.USE_ENTITY)) {
+            Entity entity = e.getInteractedEntity();
+            EntityUseAction entityUseAction = e.getEntityUseAction();
+            e.getPlayer().sendMessage("Dist: " + entity.getLocation().distanceSquared(e.getPlayer().getLocation()));
+        } else if (e.getPacketName().equals(Packet.Client.ARM_ANIMATION)) {
+            e.getPlayer().sendMessage("You swung your arm.");
+        } else if (e.getPacketName().equals(Packet.Client.BLOCK_DIG)) {
+            PlayerDigType type = e.getPlayerDigType();
+        } else if (e.getPacketName().equals(Packet.Client.CHAT)) {
+            String message = e.getChatPacketMessage();
         }
     }
 
     @PacketHandler
     public void onPacketSend(PacketSendEvent e) {
+        //ONLY SERVER PACKETS ALLOWED HERE!
+        if (e.getPacketName().equals(Packet.Server.ENTITY_VELOCITY)) {
+            System.out.println("preee");
+            Entity entity = e.getVelocityEntity();
+            System.out.println(entity.getName());
+            System.out.println(e.getVelocityX());
+        }
+    }
 
+    @PacketHandler
+    public void onServerTick(ServerTickEvent e) {
+        //CALLED EVERY TICK
+        tick++;
+        if (tick % 20 == 0) {
+            for (Player p : Bukkit.getOnlinePlayers()) {
+                p.sendMessage("One second has passed!");
+            }
+        }
     }
 }

src/main/java/me/purplex/packetevents/packets/Packet.java

@@ -4,6 +4,8 @@ public abstract class Packet {
     public static class Client {
         private static final String CLIENT = "PacketPlayIn";
         public static final String KEEP_ALIVE = CLIENT + "KeepAlive";
+
+        @Deprecated
         public static final String FLYING = CLIENT + "Flying";
         public static final String POSITION = CLIENT + "Position";
         public static final String POSITION_LOOK = CLIENT + "PositionLook";

src/main/resources/plugin.yml

@@ -1,4 +1,4 @@
 name: PacketEvents
 version: ${project.version}
-main: me.retrooper.packetevents.Main
+main: me.purplex.packetevents.Main
 authors: [purplex]