From a0e588a6f1319fa368d0e0506a259b930a4c9b77 Mon Sep 17 00:00:00 2001
From: NichtStudioCode <51272202+NichtStudioCode@users.noreply.github.com>
Date: Sat, 4 Mar 2023 18:40:47 +0100
Subject: [PATCH] Fix unique nbt tag being applied to virtual inventory items

---
 .../invui/window/AbstractWindow.java          | 21 +++++++++++--------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/invui/src/main/java/xyz/xenondevs/invui/window/AbstractWindow.java b/invui/src/main/java/xyz/xenondevs/invui/window/AbstractWindow.java
index f3215cd..3008361 100644
--- a/invui/src/main/java/xyz/xenondevs/invui/window/AbstractWindow.java
+++ b/invui/src/main/java/xyz/xenondevs/invui/window/AbstractWindow.java
@@ -79,16 +79,19 @@ public abstract class AbstractWindow implements Window, GuiParent {
             
             itemStack = background == null ? null : background.get(getLang());
         } else {
-            itemStack = element.getItemStack(getLang());
+            SlotElement holdingElement = element.getHoldingElement();
+            itemStack = holdingElement.getItemStack(getLang());
             
-            // This makes every item unique to prevent Shift-DoubleClick "clicking" multiple items at the same time.
-            if (itemStack.hasItemMeta()) {
-                // clone ItemStack in order to not modify the original
-                itemStack = itemStack.clone();
-                
-                ItemMeta itemMeta = itemStack.getItemMeta();
-                itemMeta.getPersistentDataContainer().set(SLOT_KEY, PersistentDataType.BYTE, (byte) index);
-                itemStack.setItemMeta(itemMeta);
+            if (holdingElement instanceof SlotElement.ItemSlotElement) {
+                // This makes every item unique to prevent Shift-DoubleClick "clicking" multiple items at the same time.
+                if (itemStack.hasItemMeta()) {
+                    // clone ItemStack in order to not modify the original
+                    itemStack = itemStack.clone();
+                    
+                    ItemMeta itemMeta = itemStack.getItemMeta();
+                    itemMeta.getPersistentDataContainer().set(SLOT_KEY, PersistentDataType.BYTE, (byte) index);
+                    itemStack.setItemMeta(itemMeta);
+                }
             }
         }
         setInvItem(index, itemStack);