NpcUtils

/*********************IMPORTANT*********************************************
 * Need to figure out how to remove the fakePlayer's name in the tab list.**
 ***************************************************************************/
public class NPCUtils {
	private static List<Integer> npcs = new ArrayList<Integer>();

	public static void despawnAll(){
		for(ForcePlayer cur : PlayerManager.getPlayers()){
			for(Integer i : npcs){
				if(!cur.getPlayer().isOnline())continue;
				final PlayerConnection connection = ((CraftPlayer) cur.getPlayer()).getHandle().playerConnection;
				connection.sendPacket(new PacketPlayOutEntityDestroy(i));
			}
		}
	}

	public static int spawnNPC(Location l, String npcName, UUID skin,  int timeDespawn, Player... players) {
		return spawnNPC(l, npcName, skin, timeDespawn, true, players);
	}



	/**
	 * 
	 * @param l The location where the npc will apear
	 * @param npcName The name of the spawned npc
	 * @param skin The uuid of his skin
	 * @param timeDespawn How many tick will it live
	 * @param showName true if he is sneaking
	 * @param players Who will see it
	 * @return
	 */
	public static int spawnNPC(Location l, String npcName, UUID skin,  int timeDespawn,boolean showName, Player... players) {
		MinecraftServer nmsServer = ((CraftServer) Bukkit.getServer()).getServer();
		WorldServer nmsWorld = ((CraftWorld) Bukkit.getWorlds().get(0)).getHandle();
		final EntityPlayer npc = new EntityPlayer(nmsServer, nmsWorld,new GameProfile(skin, ""),new PlayerInteractManager(nmsWorld));
		npc.displayName = null;

		if(!showName){
			npc.setSneaking(true);
			npc.setCustomNameVisible(false);
		}
		npc.setLocation(l.getX(), l.getY(), l.getZ(), l.getYaw(), l.getPitch());
		npcs.add(npc.getId());

		new Thread(new Runnable(){
			@Override
			public void run() {
				if(players.length == 0){
					for(Player cur : Bukkit.getOnlinePlayers()) {
						final PlayerConnection connection = ((CraftPlayer) cur).getHandle().playerConnection;
						connection.sendPacket(new PacketPlayOutPlayerInfo(EnumPlayerInfoAction.ADD_PLAYER, npc));
						connection.sendPacket(new PacketPlayOutNamedEntitySpawn(npc));
					}
				}else{
					for(Player p : players){
						final PlayerConnection connection = ((CraftPlayer) p).getHandle().playerConnection;
						connection.sendPacket(new PacketPlayOutPlayerInfo(EnumPlayerInfoAction.ADD_PLAYER, npc));
						connection.sendPacket(new PacketPlayOutNamedEntitySpawn(npc));
					}
				}
				new BukkitRunnable()
				{
					public void run()
					{

						for(Player cur : players) {
							if(!cur.isOnline())continue;
							final PlayerConnection connection = ((CraftPlayer) cur).getHandle().playerConnection;
							connection.sendPacket(new PacketPlayOutPlayerInfo(EnumPlayerInfoAction.REMOVE_PLAYER, npc));
							connection.sendPacket(new PacketPlayOutEntityDestroy(npc.getId()));
							npcs.remove((Object)npc.getId());
						}

					}
				}.runTaskLater(Main.getInstance(),  timeDespawn);
			}
		}).run();
		return npc.getId();
	}
}