From db284c58a32cc986a155a67bb9b46e22eebb9edf Mon Sep 17 00:00:00 2001
From: Wojciech Figat <wojtek@figat.pl>
Date: Thu, 30 Jun 2022 09:16:19 +0200
Subject: [PATCH] Fix crash when opening old project with Global Custom Code
 node in material

---
 Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp
index 12ec2c68e..28df658ae 100644
--- a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp
+++ b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp
@@ -400,10 +400,14 @@ bool MaterialGenerator::Generate(WriteStream& source, MaterialInfo& materialInfo
         graphs.Add(&layer->Graph);
     for (Graph* graph : graphs)
     {
-        for (const MaterialGraph::Node& node : graph->Nodes)
+        for (MaterialGraph::Node& node : graph->Nodes)
         {
             if (node.Type == GRAPH_NODE_MAKE_TYPE(1, 38) && (bool)node.Values[1])
+            {
+                if (node.Values.Count() == 2)
+                    node.Values.Add(In_Utilities); // Upgrade old node data
                 customGlobalCodeNodes.Add(&node);
+            }
         }
     }