1 files changed, 82 insertions, 1 deletions

diff --git a/scene/resources/packed_scene.cpp b/scene/resources/packed_scene.cpp
index 896b4fb2fa..863f2be699 100644
--- a/scene/resources/packed_scene.cpp
+++ b/scene/resources/packed_scene.cpp
@@ -1280,15 +1280,18 @@ StringName SceneState::get_node_name(int p_idx) const {
 
 Ref<PackedScene> SceneState::get_node_instance(int p_idx) const {
 	ERR_FAIL_INDEX_V(p_idx,nodes.size(),Ref<PackedScene>());
+
 	if (nodes[p_idx].instance>=0) {
 		return variants[nodes[p_idx].instance];
-	} else if (nodes[p_idx].parent<=0 || nodes[p_idx].parent==NO_PARENT_SAVED) {
+	} else if (nodes[p_idx].parent<0 || nodes[p_idx].parent==NO_PARENT_SAVED) {
 
 		if (base_scene_idx>=0) {
 			return variants[base_scene_idx];
 		}
 	}
 
+
+
 	return Ref<PackedScene>();
 
 
@@ -1438,6 +1441,84 @@ Array SceneState::get_connection_binds(int p_idx) const {
 Vector<NodePath> SceneState::get_editable_instances() const {
 	return editable_instances;
 }
+//add
+
+int SceneState::add_name(const StringName& p_name) {
+
+	names.push_back(p_name);
+	return names.size()-1;
+}
+
+int SceneState::add_value(const Variant& p_value) {
+
+	variants.push_back(p_value);
+	return variants.size()-1;
+}
+
+int SceneState::add_node_path(const NodePath& p_path){
+
+	node_paths.push_back(p_path);
+	return  (node_paths.size()-1)|FLAG_ID_IS_PATH;
+}
+int SceneState::add_node(int p_parent,int p_owner,int p_type,int p_name, int p_instance){
+
+	NodeData nd;
+	nd.parent=p_parent;
+	nd.owner=p_owner;
+	nd.type=p_type;
+	nd.name=p_name;
+	nd.instance=p_instance;
+
+	nodes.push_back(nd);
+
+	return nodes.size()-1;
+}
+void SceneState::add_node_property(int p_node,int p_name,int p_value){
+
+	ERR_FAIL_INDEX(p_node,nodes.size());
+	ERR_FAIL_INDEX(p_name,names.size());
+	ERR_FAIL_INDEX(p_value,variants.size());
+
+	NodeData::Property prop;
+	prop.name=p_name;
+	prop.value=p_value;
+	nodes[p_node].properties.push_back(prop);
+}
+void SceneState::add_node_group(int p_node,int p_group){
+
+	ERR_FAIL_INDEX(p_node,nodes.size());
+	ERR_FAIL_INDEX(p_group,names.size());
+	nodes[p_node].groups.push_back(p_group);
+
+}
+void SceneState::set_base_scene(int p_idx){
+
+	ERR_FAIL_INDEX(p_idx,variants.size());
+	base_scene_idx=p_idx;
+}
+void SceneState::add_connection(int p_from,int p_to, int p_signal, int p_method, int p_flags,const Vector<int>& p_binds){
+
+	ERR_FAIL_INDEX(p_signal,names.size());
+	ERR_FAIL_INDEX(p_method,names.size());
+
+	for(int i=0;i<p_binds.size();i++) {
+		ERR_FAIL_INDEX(p_binds[i],variants.size());
+	}
+	ConnectionData c;
+	c.from=p_from;
+	c.to=p_to;
+	c.signal=p_signal;
+	c.method=p_method;
+	c.flags=p_flags;
+	c.binds=p_binds;
+	connections.push_back(c);
+
+}
+void SceneState::add_editable_instance(const NodePath& p_path){
+
+	editable_instances.push_back(p_path);
+}
+
 
 
 SceneState::SceneState() {