public ItemStack checkInvent(ItemStack itemstack) {
ItemStack result = null;
if (worldObj.isRemote) return itemstack;
this.update += 1;
if (this.update % 8 == 0 && itemstack != null) {
ItemStack emptyItem = itemstack.getItem().getContainerItemStack(itemstack);
if (cargoItems[1] == null) {
result = LiquidManager.getInstance().processContainer(this, 0, theTank, itemstack, 0);
} else if (emptyItem != null) {
if (cargoItems[1] != null && emptyItem.getItem().itemID == cargoItems[1].itemID) {
if (cargoItems[1].stackSize + 1 < cargoItems[1].getMaxStackSize()) {
result = LiquidManager.getInstance().processContainer(this, 0, theTank, itemstack, 0);
}
}
} else {
if (cargoItems[1] != null && itemstack.getItem().itemID == cargoItems[1].itemID) {
if (cargoItems[1].stackSize + 1 <= cargoItems[1].getMaxStackSize()) {
result = LiquidManager.getInstance().processContainer(this, 0, theTank, itemstack, 0);
}
}
}
if (result != null) {
if (cargoItems[1] == null) {
cargoItems[1] = result;
} else if (cargoItems[1].getItem().itemID == result.itemID) {
cargoItems[1].stackSize += 1;
}
}
}
return itemstack;
}
private LiquidTank(
FluidStack liquid, int capacity, World world, FluidStack filter, boolean reverseSort) {
super(world);
this.liquid = liquid;
this.capacity = capacity;
if (filter == null) this.theTank = LiquidManager.getInstance().new StandardTank(capacity);
if (filter != null)
this.theTank = LiquidManager.getInstance().new FilteredTank(capacity, filter);
if (filter != null && reverseSort)
this.theTank = LiquidManager.getInstance().new ReverseFilteredTank(capacity, filter);
tankArray[0] = theTank;
dataWatcher.addObject(4, new Integer(0));
dataWatcher.addObject(22, new String(""));
}
/**
* Offers an ItemStack for addition to the inventory.
*
* @param stack ItemStack offered for addition. Do not manipulate this!
* @param doAdd If false no actual addition should take place.
* @param from Orientation the ItemStack is offered from.
* @return Amount of items used from the passed stack.
*/
@Override
public int addItem(ItemStack stack, boolean doAdd, ForgeDirection from) {
if (stack == null) {
return 0;
}
if (LiquidManager.getInstance().isContainer(stack))
return placeInSpecialInvent(stack, 0, doAdd);
return 0;
}