From 617286dd278b4292329f1bb7be77364ce10e7dd0 Mon Sep 17 00:00:00 2001
From: Relintai <relintai@protonmail.com>
Date: Sun, 20 Nov 2022 23:47:20 +0100
Subject: [PATCH] Don't let the SceneTreeDock add the root node buttons more
 than once.

---
 editor/scene_tree_dock.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/editor/scene_tree_dock.cpp b/editor/scene_tree_dock.cpp
index 362ebaf02..0d01f4c14 100644
--- a/editor/scene_tree_dock.cpp
+++ b/editor/scene_tree_dock.cpp
@@ -3101,6 +3101,14 @@ void SceneTreeDock::_update_create_root_dialog() {
 	}
 
 	if (beginner_nodes) {
+		for (int i = 0; i < beginner_nodes->get_child_count(); ++i) {
+			Button *button = Object::cast_to<Button>(beginner_nodes->get_child(i));
+
+			if (button && button->has_meta("custom_root_button")) {
+				button->queue_delete();
+			}
+		}
+
 		for (int i = 0; i < _custom_scene_root_classes.size(); ++i) {
 			CustomSceneRootClassEntry e = _custom_scene_root_classes[i];
 
@@ -3109,6 +3117,7 @@ void SceneTreeDock::_update_create_root_dialog() {
 			button->set_text(TTR(e.name));
 			button->set_clip_text(true);
 			button->set_icon(EditorNode::get_singleton()->get_class_icon(e.class_name));
+			button->set_meta("custom_root_button", true);
 			button->connect("pressed", this, "_custom_root_selected", make_binds(e.class_name));
 		}
 	}