public void add(int newx, int newy, int newz) {
		if (_level == null)
			return;
		if (_level.getTile(newx, newy, newz).getVisableBlock() == this.getVisableBlock())
			return;
		_level.setTile(this, newx, newy, newz, _server);
		Player.GlobalBlockChange((short)newx, (short)newy, (short)newz, this, _level, _server, false);
	}