Fail safely on if tool part replacement is not possible due to tool-b…

…uilding-interaction #124
SlimeKnights · Apr 3, 2015 · c7d1eaf · c7d1eaf
1 parent 5318698
commit c7d1eaf
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/main/java/iguanaman/iguanatweakstconstruct/replacing/ReplacementLogic.java b/src/main/java/iguanaman/iguanatweakstconstruct/replacing/ReplacementLogic.java
@@ -82,6 +82,10 @@ public static void exchangeToolPart(ToolCore tool, NBTTagCompound tags, PartType
             extraStack = partStack;
 
         ItemStack newTool = ToolBuilder.instance.buildTool(headStack, handleStack, accessoryStack, extraStack, "Modified Tool");
+        if(newTool == null) {
+            Log.debug("External source prevents creation of tool with replaced parts.");
+            return;
+        }
         NBTTagCompound newTags = newTool.getTagCompound().getCompoundTag("InfiTool");
 
         int partMaterialId = getToolPartMaterial(newTags, type);