@Override
	public void useItem(Item item, TileMap map, World world, Player player, int key) {
		ItemBlock ib = (ItemBlock)item;
		ib.placeBlock(map, world, player);
		player.getInventory().getStackInSlot(key).stackSize--;
		if(player.getInventory().getStackInSlot(key).stackSize == 0)
			player.getInventory().setStackInSlot(key, null);
	}