gistfile1.java

package de.oppermann.bastian.lib.listener;

import net.minecraft.server.v1_7_R4.PacketPlayInFlying;

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

import de.oppermann.bastian.lib.events.AsyncIncomingPacketEvent;
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 AsyncIncommingPacketListener implements Listener {
	
	@EventHandler
	public void onIncommingPacket(AsyncIncomingPacketEvent event) {
		if (event.getPlayer() == null) {
			return;
		}
		if (DisguiseManager.getDisguiseType(event.getPlayer()) == EntityType.ENDER_DRAGON) {
			if (event.getPacket() instanceof PacketPlayInFlying) {
				PacketPlayInFlying packet = (PacketPlayInFlying) event.getPacket();	
				float yaw = ReflectionUtil.getField(packet, "yaw");
				if (yaw == 0) {
					return;
				}
				ReflectionUtil.setPrivateField(packet, "yaw", yaw - 180F);
			}
		}
	}

}