prevent copying unlinked proxies

GTNewHorizons · Feb 7, 2025 · 942c17d · 942c17d
1 parent ee42e58
commit 942c17d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/main/java/gregtech/common/tileentities/machines/MTEHatchCraftingInputSlave.java b/src/main/java/gregtech/common/tileentities/machines/MTEHatchCraftingInputSlave.java
@@ -235,6 +235,10 @@ public void onLeftclick(IGregTechTileEntity aBaseMetaTileEntity, EntityPlayer aP
 
         ItemStack dataStick = aPlayer.inventory.getCurrentItem();
         if (!ItemList.Tool_DataStick.isStackEqual(dataStick, false, true)) return;
+        if (master == null) {
+            aPlayer.addChatMessage(new ChatComponentText("Can't copy an unlinked proxy!"));
+            return;
+        }
 
         NBTTagCompound tag = new NBTTagCompound();
         tag.setString("type", "CraftingInputBuffer");