From 3e40b7b772209604d7da2e7558e4e35d136a0505 Mon Sep 17 00:00:00 2001
From: Raoul Van den Berge <raoulvdberge@gmail.com>
Date: Sun, 11 Sep 2016 01:32:16 +0200
Subject: [PATCH] Don't display any tooltip on empty NBT tag patterns

---
 src/main/java/refinedstorage/item/ItemPattern.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/refinedstorage/item/ItemPattern.java b/src/main/java/refinedstorage/item/ItemPattern.java
index 323b35e0a..d44a1d8e3 100755
--- a/src/main/java/refinedstorage/item/ItemPattern.java
+++ b/src/main/java/refinedstorage/item/ItemPattern.java
@@ -36,6 +36,10 @@ public class ItemPattern extends ItemBase implements ICraftingPatternProvider {
 
     @Override
     public void addInformation(ItemStack stack, EntityPlayer player, List<String> tooltip, boolean advanced) {
+        if (!stack.hasTagCompound()) {
+            return;
+        }
+
         ICraftingPattern pattern = create(player.worldObj, stack, null);
 
         if (pattern.isValid()) {