package gregtech.api.multitileentity.interfaces; import net.minecraft.item.ItemStack; import net.minecraft.world.World; public interface IItemUpdatable { /** * Updates the Data of the ItemStack. Not called every tick but instead called whenever something important happens * to the Stack. */ void updateItemStack(ItemStack aStack); /** * Updates the Data of the ItemStack. Not called every tick but instead called whenever something important happens * to the Stack. */ void updateItemStack(ItemStack aStack, World aWorld, int aX, int aY, int aZ); }