From a717a5e50ffdb1c9feb3f30281cc41ea86c08038 Mon Sep 17 00:00:00 2001
From: javasabr <javasabr@gmail.com>
Date: Mon, 27 Nov 2017 10:24:54 +0300
Subject: [PATCH] fixed NPE during loading shader node material without vertex
 nodes.

---
 .../src/main/java/com/jme3/material/ShaderGenerationInfo.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/jme3-core/src/main/java/com/jme3/material/ShaderGenerationInfo.java b/jme3-core/src/main/java/com/jme3/material/ShaderGenerationInfo.java
index dda02c67c..3a42ee328 100644
--- a/jme3-core/src/main/java/com/jme3/material/ShaderGenerationInfo.java
+++ b/jme3-core/src/main/java/com/jme3/material/ShaderGenerationInfo.java
@@ -206,7 +206,9 @@ public class ShaderGenerationInfo implements Savable, Cloneable {
             clone.vertexUniforms.add(uniform.clone());
         }
 
-        clone.vertexGlobal = vertexGlobal.clone();
+        if (vertexGlobal != null) {
+            clone.vertexGlobal = vertexGlobal.clone();
+        }
 
         for (ShaderNodeVariable varying : varyings) {
             clone.varyings.add(varying.clone());