fixed re-import of scene when new nodes are added, fixes #1620

tools/editor/io_plugins/editor_scene_import_plugin.cpp

@@ -2121,7 +2121,7 @@ void EditorSceneImportPlugin::_merge_existing_node(Node *p_node,Node *p_imported
 }
 
 
-void EditorSceneImportPlugin::_add_new_nodes(Node *p_node,Node *p_imported,Node *p_imported_scene,Set<Node*> &checked_nodes) {
+void EditorSceneImportPlugin::_add_new_nodes(Node *p_node,Node *p_imported,Node *p_imported_scene,Node *p_existing_scene,Set<Node*> &checked_nodes) {
 
 
 	for(int i=0;i<p_imported->get_child_count();i++) {
@@ -2129,12 +2129,15 @@ void EditorSceneImportPlugin::_add_new_nodes(Node *p_node,Node *p_imported,Node
 
 		Node *imported_node = p_imported->get_child(i);
 
-		if (imported_node->get_owner()!=p_imported_scene)
+		if (imported_node->get_owner()!=p_imported_scene) {
+			print_line("skipping because not imported at "+String(imported_node->get_name()));
 			continue; //end of the road
+		}
 
 		Vector<StringName> nn;
 		nn.push_back(imported_node->get_name());
 		NodePath imported_path(nn,false);
+		print_line("check for: "+String(imported_path));
 
 		if (!p_node->has_node(imported_path) && !checked_nodes.has(imported_node)) {
 			//not there, re-add it
@@ -2144,8 +2147,11 @@ void EditorSceneImportPlugin::_add_new_nodes(Node *p_node,Node *p_imported,Node
 			if (o)
 				n=o->cast_to<Node>();
 
+			print_line("creating node of same type..");
+
 			if (n) {
 
+				print_line("copy props and add");
 				List<PropertyInfo> pl;
 				imported_node->get_property_list(&pl);
 				for(List<PropertyInfo>::Element *E=pl.front();E;E=E->next()) {
@@ -2155,8 +2161,11 @@ void EditorSceneImportPlugin::_add_new_nodes(Node *p_node,Node *p_imported,Node
 				}
 
 				p_node->add_child(n);
+				n->set_owner(p_existing_scene);
 			}
 
+		} else {
+			print_line("already exists");
 		}
 
 
@@ -2164,7 +2173,7 @@ void EditorSceneImportPlugin::_add_new_nodes(Node *p_node,Node *p_imported,Node
 
 			Node *other_node = p_node->get_node(imported_path);
 
-			_add_new_nodes(other_node,imported_node,p_imported_scene,checked_nodes);
+			_add_new_nodes(other_node,imported_node,p_imported_scene,p_existing_scene,checked_nodes);
 
 		}
 
@@ -2177,7 +2186,7 @@ void EditorSceneImportPlugin::_merge_scenes(Node *p_node,Node *p_imported) {
 	Set<Ref<Resource> > checked_resources;
 	Set<Node*> checked_nodes;
 	_merge_existing_node(p_node,p_imported,checked_resources,checked_nodes);
-	_add_new_nodes(p_node,p_imported,p_imported,checked_nodes);
+	_add_new_nodes(p_node,p_imported,p_imported,p_node,checked_nodes);
 	//add existing.. ?
 }
 

tools/editor/io_plugins/editor_scene_import_plugin.h

@@ -113,7 +113,7 @@ class EditorSceneImportPlugin : public EditorImportPlugin {
 	void _filter_tracks(Node *scene, const String& p_text);
 	void _merge_existing_node(Node *p_node,Node *p_imported_scene,Set<Ref<Resource> >& checked_resources,Set<Node*> &checked_nodes);
 
-	void _add_new_nodes(Node *p_node,Node *p_imported,Node *p_imported_scene,Set<Node*> &checked_nodes);
+	void _add_new_nodes(Node *p_node,Node *p_imported,Node *p_imported_scene,Node *p_existing_scene,Set<Node*> &checked_nodes);
 	void _optimize_animations(Node *scene, float p_max_lin_error,float p_max_ang_error,float p_max_angle);
 
 	void _merge_scenes(Node *p_node, Node *p_imported);