From 2de3f08fd370fbf1f216deaa96bed43818a823dc Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 28 Jun 2011 07:22:09 +0000
Subject: [PATCH] From Wang Rui, "I've found a small problem which causes
 crashes in the 3ds plugin while trying to load a model. The fix here will
 ensure that the texture map is valid and everything could work well then."

---
 src/osgPlugins/3ds/ReaderWriter3DS.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osgPlugins/3ds/ReaderWriter3DS.cpp b/src/osgPlugins/3ds/ReaderWriter3DS.cpp
index 3956ceb3a..c034b5404 100644
--- a/src/osgPlugins/3ds/ReaderWriter3DS.cpp
+++ b/src/osgPlugins/3ds/ReaderWriter3DS.cpp
@@ -1141,7 +1141,7 @@ ReaderWriter3DS::StateSetInfo ReaderWriter3DS::ReaderObject::createStateSet(Lib3
 
     // opacity
     osg::Texture* opacity_map = createTexture(&(mat->opacity_map),"opacity_map", textureTransparency);
-    if (opacity_map)
+    if (opacity_map && texture1_map)
     {
         if(texture1_map->getImage()->isImageTranslucent())
         {