added evaluate() method for all non-scripting nodes, made evaluateChildren() recursive

git-svn-id: svn://anubis/fart/branches/scene-file-scripting@338 7f9b0f55-74a9-4bce-be96-3c2cd072584d

main/Scene-load.cc

@@ -21,12 +21,12 @@ void Scene::load(const char * filename)
     refptr<Node> node = parse(filename, scope);
     if ( ! node.isNull() )
     {
-        refptr<Node> dummy = new Node();
         /* evaluate any scripting nodes in the node tree */
-        node->evaluate(dummy);
+        refptr<Node> processed_scene = node->evaluate();
+        node->evaluateChildren(processed_scene);
 
         /* now we have a new node tree under 'dummy' with no scripting nodes */
-        processScene(dummy->getChildren()[0]);
+        processScene(processed_scene);
     }
 }