From 96f077a18d7d1bfc710233b467810f6f7e39b4ce Mon Sep 17 00:00:00 2001
From: Haoyu Qiu <timothyqiu32@gmail.com>
Date: Thu, 12 Aug 2021 10:53:35 +0800
Subject: [PATCH] Fixes crash when AnimationPlayer reset on save

---
 editor/editor_node.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 8748d021b60..30edbd1e87b 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -1606,7 +1606,9 @@ static void _reset_animation_players(Node *p_node, List<Ref<AnimatedValuesBackup
 		AnimationPlayer *player = Object::cast_to<AnimationPlayer>(p_node->get_child(i));
 		if (player && player->is_reset_on_save_enabled() && player->can_apply_reset()) {
 			Ref<AnimatedValuesBackup> old_values = player->apply_reset();
-			r_anim_backups->push_back(old_values);
+			if (old_values.is_valid()) {
+				r_anim_backups->push_back(old_values);
+			}
 		}
 		_reset_animation_players(p_node->get_child(i), r_anim_backups);
 	}