No more metadata and dependency indices kept in resources saved.

-Node folding is now saved externally together with the properties
-External resources remember their ID when scenes are saved.

1 files changed, 9 insertions, 1 deletions

diff --git a/core/resource.h b/core/resource.h
index a4d9e998ac..853b2859c7 100644
--- a/core/resource.h
+++ b/core/resource.h
@@ -88,7 +88,9 @@ protected:
 
 	void _set_path(const String &p_path);
 	void _take_over_path(const String &p_path);
-
+#ifdef TOOLS_ENABLED
+	Map<String, int> id_for_path;
+#endif
 public:
 	static Node *(*_get_local_scene_func)(); //used by editor
 
@@ -137,6 +139,12 @@ public:
 
 	virtual RID get_rid() const; // some resources may offer conversion to RID
 
+#ifdef TOOLS_ENABLED
+	//helps keep IDs same number when loading/saving scenes. -1 clears ID and it Returns -1 when no id stored
+	void set_id_for_path(const String &p_path, int p_id);
+	int get_id_for_path(const String &p_path) const;
+#endif
+
 	Resource();
 	~Resource();
 };