@Override
    public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player, int i, float j, float k, float l) {
        LootCrateEntity tileEntity = (LootCrateEntity) world.getTileEntity(x, y, z);
        ItemStack item = tileEntity.getStackInSlot(1);

        if (item != null) {
            player.inventory.addItemStackToInventory(new ItemStack(Blocks.stone));
            player.inventory.addItemStackToInventory(item);
        }

        return true;
    }