Avoid saving scene while already saving the scene

1 files changed, 6 insertions, 0 deletions

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 6012ff1f70..b6c97f0c8f 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -1761,6 +1761,10 @@ static void _reset_animation_mixers(Node *p_node, List<Pair<AnimationMixer *, Re
 }
 
 void EditorNode::_save_scene(String p_file, int idx) {
+	if (!saving_scene.is_empty() && saving_scene == p_file) {
+		return;
+	}
+
 	Node *scene = editor_data.get_edited_scene_root(idx);
 
 	if (!scene) {
@@ -1817,7 +1821,9 @@ void EditorNode::_save_scene(String p_file, int idx) {
 	emit_signal(SNAME("scene_saved"), p_file);
 
 	_save_external_resources();
+	saving_scene = p_file; // Some editors may save scenes of built-in resources as external data, so avoid saving this scene again.
 	editor_data.save_editor_external_data();
+	saving_scene = "";
 
 	for (Pair<AnimationMixer *, Ref<AnimatedValuesBackup>> &E : anim_backups) {
 		E.first->restore(E.second);