1 files changed, 40 insertions, 5 deletions

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 40a7b8310f..d009ed61b5 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -999,6 +999,22 @@ void EditorNode::_save_scene_with_preview(String p_file, int p_idx) {
 	EditorResourcePreview::get_singleton()->check_for_invalidation(p_file);
 }
 
+bool EditorNode::_validate_scene_recursive(const String &p_filename, Node *p_node) {
+
+	for (int i = 0; i < p_node->get_child_count(); i++) {
+		Node *child = p_node->get_child(i);
+		if (child->get_filename() == p_filename) {
+			return true;
+		}
+
+		if (_validate_scene_recursive(p_filename, child)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
 void EditorNode::_save_scene(String p_file, int idx) {
 
 	Node *scene = editor_data.get_edited_scene_root(idx);
@@ -1009,6 +1025,11 @@ void EditorNode::_save_scene(String p_file, int idx) {
 		return;
 	}
 
+	if (scene->get_filename() != String() && _validate_scene_recursive(scene->get_filename(), scene)) {
+		show_accept(TTR("This scene can't be saved because there is a cyclic instancing inclusion.\nPlease resolve it and then attempt to save again."), TTR("OK"));
+		return;
+	}
+
 	editor_data.apply_changes_in_editors();
 	_save_default_environment();
 
@@ -3228,17 +3249,31 @@ Ref<Texture> EditorNode::get_class_icon(const String &p_class, const String &p_f
 
 void EditorNode::progress_add_task(const String &p_task, const String &p_label, int p_steps, bool p_can_cancel) {
 
-	singleton->progress_dialog->add_task(p_task, p_label, p_steps, p_can_cancel);
+	if (singleton->disable_progress_dialog) {
+		print_line(p_task + ": begin: " + p_label + " steps: " + itos(p_steps));
+	} else {
+		singleton->progress_dialog->add_task(p_task, p_label, p_steps, p_can_cancel);
+	}
 }
 
 bool EditorNode::progress_task_step(const String &p_task, const String &p_state, int p_step, bool p_force_refresh) {
 
-	return singleton->progress_dialog->task_step(p_task, p_state, p_step, p_force_refresh);
+	if (singleton->disable_progress_dialog) {
+		print_line("\t" + p_task + ": step " + itos(p_step) + ": " + p_state);
+		return false;
+	} else {
+
+		return singleton->progress_dialog->task_step(p_task, p_state, p_step, p_force_refresh);
+	}
 }
 
 void EditorNode::progress_end_task(const String &p_task) {
 
-	singleton->progress_dialog->end_task(p_task);
+	if (singleton->disable_progress_dialog) {
+		print_line(p_task + ": end");
+	} else {
+		singleton->progress_dialog->end_task(p_task);
+	}
 }
 
 void EditorNode::progress_add_task_bg(const String &p_task, const String &p_label, int p_steps) {
@@ -3320,7 +3355,7 @@ Error EditorNode::export_preset(const String &p_preset, const String &p_path, bo
 	export_defer.path = p_path;
 	export_defer.debug = p_debug;
 	export_defer.password = p_password;
-
+	disable_progress_dialog = true;
 	return OK;
 }
 
@@ -4710,7 +4745,7 @@ EditorNode::EditorNode() {
 	_initializing_addons = false;
 	docks_visible = true;
 	restoring_scenes = false;
-
+	disable_progress_dialog = false;
 	scene_distraction = false;
 	script_distraction = false;