private static FluidTank readTank(ItemStack stack) {
FluidTank tank = new FluidTank(TileEntityTank.getTankCapacity());
final NBTTagCompound itemTag = stack.getTagCompound();
if (itemTag != null && itemTag.hasKey(TANK_TAG)) {
tank.readFromNBT(itemTag.getCompoundTag(TANK_TAG));
return tank;
}
return tank;
}
public static ItemStack createFilledTank(Fluid fluid) {
final int tankCapacity = TileEntityTank.getTankCapacity();
FluidStack stack = FluidRegistry.getFluidStack(fluid.getName(), tankCapacity);
if (stack == null) return null;
FluidTank tank = new FluidTank(tankCapacity);
tank.setFluid(stack);
ItemStack item = new ItemStack(OpenBlocks.Blocks.tank);
saveTank(item, tank);
return item;
}