private boolean addResultToInventory(TileEntityDispenser te, ItemStack result) { int size = te.getSizeInventory(); int i; ItemStack itemstack; for (i = 0; i < size; ++i) { itemstack = te.getStackInSlot(i); if (itemstack != null && itemstack.isItemEqual(result) && itemstack.stackSize + result.stackSize <= itemstack.getMaxStackSize()) { itemstack.stackSize += result.stackSize; return true; } } for (i = 0; i < size; ++i) { itemstack = te.getStackInSlot(i); if (itemstack == null || itemstack.itemID == 0) { te.setInventorySlotContents(i, result); return true; } } return false; }