private void checkInventoryStatus(int cx, int cy, int cz) {
   TileEntity tileEntity = worldObj.getTileEntity(cx, cy, cz);
   if (tileEntity instanceof IInventory) {
     IInventory inventory = (IInventory) tileEntity;
     if (inventory.getSizeInventory() > 0) {
       inventories.add(new InvBlockInfo(new Coordinate(cx, cy, cz), inventory.getSizeInventory()));
       notifyBlockUpdate();
     }
   }
 }