From 9b7678138f02717d2b9d6bd287724d69c688ed3f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sun, 6 Feb 2005 10:14:26 +0000
Subject: [PATCH] Changed the LightSource::setReferenceFrame() read code so
 that it doesn't enable the culling active flag if its was already set to
 false.

---
 src/osgPlugins/osg/LightSource.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/osgPlugins/osg/LightSource.cpp b/src/osgPlugins/osg/LightSource.cpp
index d7b8e51b7..d54fe4973 100644
--- a/src/osgPlugins/osg/LightSource.cpp
+++ b/src/osgPlugins/osg/LightSource.cpp
@@ -29,6 +29,8 @@ bool LightSource_readLocalData(Object& obj, Input& fr)
 
     if (fr[0].matchWord("referenceFrame"))
     {
+        bool cullingActiveBefore = lightsource.getCullingActive();
+    
         if (fr[1].matchWord("RELATIVE_TO_ABSOLUTE") || fr[1].matchWord("ABSOLUTE"))
         {
             lightsource.setReferenceFrame(LightSource::ABSOLUTE_RF);
@@ -41,6 +43,12 @@ bool LightSource_readLocalData(Object& obj, Input& fr)
             fr += 2;
             iteratorAdvanced = true;
         }
+        
+        // if culling wasn't before reset it to off.
+        if (!cullingActiveBefore && lightsource.getCullingActive())
+        {
+            lightsource.setCullingActive(cullingActiveBefore);
+        }
     }
 
     osg::ref_ptr<StateAttribute> sa=fr.readStateAttribute();