1 files changed, 15 insertions, 0 deletions
diff --git a/src/main/java/gregtech/api/multitileentity/interfaces/IItemUpdatable.java b/src/main/java/gregtech/api/multitileentity/interfaces/IItemUpdatable.java
new file mode 100644
index 0000000000..77def5e8fd
--- /dev/null
+++ b/src/main/java/gregtech/api/multitileentity/interfaces/IItemUpdatable.java
@@ -0,0 +1,15 @@
+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);
+}