gistfile1.java

package de.oppermann.bastian.lib.listener;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;

import net.minecraft.server.v1_7_R4.Packet;
import net.minecraft.server.v1_7_R4.PacketPlayOutNamedEntitySpawn;
import net.minecraft.server.v1_7_R4.PacketPlayOutSpawnEntity;
import net.minecraft.server.v1_7_R4.PacketPlayOutSpawnEntityLiving;

import net.minecraft.util.com.mojang.authlib.GameProfile;

import org.bukkit.Bukkit;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;

import de.oppermann.bastian.lib.Main;
import de.oppermann.bastian.lib.events.AsyncOutgoingPacketEvent;
import de.oppermann.bastian.lib.miscellaneous.DisguiseManager;
import de.oppermann.bastian.lib.miscellaneous.ReflectionUtil;

/**
 * Intern required class.
 * <p>
 * Do not call any method of it!
 * This class is used for internal purposes and can lead to serious errors if it is used.
 */
public class AsyncOutgoingPacketListener implements Listener {
	
	private static final ArrayList<Packet> NOT_LISTEN_TO = new ArrayList<>();
	
	@EventHandler
	public void onOutgoingPacket(final AsyncOutgoingPacketEvent event) {
		if (NOT_LISTEN_TO.contains(event.getPacket())) {
			NOT_LISTEN_TO.remove(event.getPacket());
			return;
		}
		
		if (event.getPacket() instanceof PacketPlayOutNamedEntitySpawn) {
			PacketPlayOutNamedEntitySpawn packet = (PacketPlayOutNamedEntitySpawn) event.getPacket();
			final int ID = ReflectionUtil.getField(packet, "a"); // a is the entityId
			final int X = (int) (((double) (int) ReflectionUtil.getField(packet, "c") / 32D)); // c is (x / 32)
			final int Y = (int) (((double) (int) ReflectionUtil.getField(packet, "d") / 32D)); // d is (y / 32)
			final int Z =  (int) (((double) (int) ReflectionUtil.getField(packet, "e") / 32D)); // e is (z / 32)
			Bukkit.getScheduler().runTaskLater(Main.getInstance(), new Runnable() {				
				@Override
				public void run() {
					DisguiseManager.onEntityAppear(event.getPlayer(), ID, X < 0 ? X - 1 : X, Y, Z < 0 ? Z - 1 : Z);
				}
			}, 4);
		}
		
		if (event.getPacket() instanceof PacketPlayOutSpawnEntity) {
			PacketPlayOutSpawnEntity packet = (PacketPlayOutSpawnEntity) event.getPacket();
			final int ID = ReflectionUtil.getField(packet, "a"); // a is the entityId
			final int X = (int) (((double) (int) ReflectionUtil.getField(packet, "b") / 32D)); // b is (x / 32)
			final int Y = (int) (((double) (int) ReflectionUtil.getField(packet, "c") / 32D)); // c is (y / 32)
			final int Z =  (int) (((double) (int) ReflectionUtil.getField(packet, "d") / 32D)); // d is (z / 32)
			Bukkit.getScheduler().runTaskLater(Main.getInstance(), new Runnable() {				
				@Override
				public void run() {
					DisguiseManager.onEntityAppear(event.getPlayer(), ID, X < 0 ? X - 1 : X, Y, Z < 0 ? Z - 1 : Z);
				}
			}, 4);
		}
		
		if (event.getPacket() instanceof PacketPlayOutSpawnEntityLiving) {
			PacketPlayOutSpawnEntityLiving packet = (PacketPlayOutSpawnEntityLiving) event.getPacket();
			final int ID = ReflectionUtil.getField(packet, "a"); // a is the entityId
			final int X = (int) (((double) (int) ReflectionUtil.getField(packet, "c") / 32D)); // c is (x / 32)
			final int Y = (int) (((double) (int) ReflectionUtil.getField(packet, "d") / 32D)); // d is (y / 32)
			final int Z =  (int) (((double) (int) ReflectionUtil.getField(packet, "e") / 32D)); // e is (z / 32)
			Bukkit.getScheduler().runTaskLater(Main.getInstance(), new Runnable() {				
				@Override
				public void run() {
					DisguiseManager.onEntityAppear(event.getPlayer(), ID, X < 0 ? X - 1 : X, Y, Z < 0 ? Z - 1 : Z);
				}
			}, 4);
		}
	}
	
	/**
	 * Intern required method.
	 * <p>
	 * Do not call it!
	 * This method is used for internal purposes and can lead to serious errors if it is called.
	 */
	public static void addNotListenToPacket(Packet packet) {
		NOT_LISTEN_TO.add(packet);
	}

}