Revert a change from 2009/06/07.

Should make the Nasal code for some xml models work again.

Modified Files:
 	simgear/scene/model/SGPagedLOD.cxx
	simgear/scene/model/SGReaderWriterXML.cxx
 	simgear/scene/model/modellib.cxx
	simgear/scene/model/modellib.hxx

simgear/scene/model/SGPagedLOD.cxx

@@ -56,8 +56,8 @@ bool SGPagedLOD::addChild(osg::Node *child)
     {
         osg::ref_ptr<SGModelData> d = opts->getModelData();
         if(d.valid())
-            d->modelLoaded(getFileName(getNumChildren()-1), opts->getPropRoot(),
-                           this);
+            d->modelLoaded(getFileName(getNumChildren()-1),
+                           d->getConfigProperties(), this);
     }
     return true;
 }

simgear/scene/model/SGReaderWriterXML.cxx

@@ -300,6 +300,7 @@ sgLoad3DModel_internal(const string &path,
     }
 
     if (data) {
+        data->setConfigProperties(props);
         options->setModelData(data);
     }
 

simgear/scene/model/modellib.cxx

@@ -67,7 +67,7 @@ SGModelLib::loadModel(const string &path,
     opt->setModelData(data);
     osg::Node *n = readNodeFile(path, opt.get());
     if(data)
-        data->modelLoaded(path, prop_root, n);
+        data->modelLoaded(path, data->getConfigProperties(), n);
     if (n && n->getName().empty())
         n->setName("Direct loaded model \"" + path + "\"");
     return n;

simgear/scene/model/modellib.hxx

@@ -85,6 +85,13 @@ public:
     virtual ~SGModelData() {}
     virtual void modelLoaded(const string& path, SGPropertyNode *prop,
                              osg::Node* branch) = 0;
+    void setConfigProperties(SGPropertyNode *configProperties)
+    { _configProperties = configProperties; }
+    SGPropertyNode *getConfigProperties()
+    { return _configProperties; }
+
+private:
+    SGSharedPtr<SGPropertyNode> _configProperties;
 };
 
 }