public static ItemStack fillFluidContainer(
FluidTank tank, ItemStack containerIn, ItemStack containerOut) {
if (tank.getFluidAmount() > 0 && containerIn != null) {
if (FluidContainerRegistry.isEmptyContainer(containerIn)) {
ItemStack filledContainer =
FluidContainerRegistry.fillFluidContainer(tank.getFluid(), containerIn);
if (filledContainer != null) {
FluidStack fs = FluidContainerRegistry.getFluidForFilledItem(filledContainer);
if (fs.amount <= tank.getFluidAmount()
&& (containerOut == null
|| OreDictionary.itemMatches(containerOut, filledContainer, true))) {
tank.drain(fs.amount, true);
return filledContainer;
}
}
} else if (containerIn.getItem() instanceof IFluidContainerItem) {
IFluidContainerItem iContainer = (IFluidContainerItem) containerIn.getItem();
int available = tank.getFluidAmount();
int space =
iContainer.getCapacity(containerIn)
- (iContainer.getFluid(containerIn) == null
? 0
: iContainer.getFluid(containerIn).amount);
if (available >= space
&& iContainer.fill(containerIn, tank.getFluid(), false) == space) // Fill in one go
{
ItemStack filledContainer = copyStackWithAmount(containerIn, 1);
int filled = iContainer.fill(filledContainer, tank.getFluid(), true);
if (containerOut == null
|| (OreDictionary.itemMatches(containerOut, filledContainer, true)
&& ItemStack.areItemStackTagsEqual(filledContainer, containerOut))) {
tank.drain(filled, true);
return filledContainer;
}
} else {
int filled = iContainer.fill(containerIn, tank.getFluid(), true);
tank.drain(filled, true);
}
}
}
return null;
}
public int getProgress() {
ItemStack stack = inventory.getStackInSlot(0);
if (stack == null) return 0;
Item item = stack.getItem();
FluidStack fluidstack = null;
int capacity = 0;
if (item instanceof IFluidContainerItem) {
IFluidContainerItem iFluidContainerItem = (IFluidContainerItem) stack.getItem();
fluidstack = iFluidContainerItem.getFluid(stack);
capacity = iFluidContainerItem.getCapacity(stack);
} else if (FluidContainerRegistry.isContainer(stack)) {
fluidstack = FluidContainerRegistry.getFluidForFilledItem(stack);
capacity =
FluidContainerRegistry.getContainerCapacity(fill ? tank.getFluid() : fluidstack, stack);
}
if (fluidstack == null || capacity <= 0) {
if (fill) return 0;
return 16;
}
if (fill) return (int) ((fluidstack.amount * 16D) / capacity);
return (int) (((capacity - fluidstack.amount) * 16D) / capacity);
}