From f169616cc6b394b5ba95e2d1d99f217552dab60f Mon Sep 17 00:00:00 2001
From: Haoyu Qiu <timothyqiu32@gmail.com>
Date: Fri, 20 Sep 2024 16:21:03 +0800
Subject: [PATCH] Update AnimationTree parameter list when updating
 AnimationNodeTransition input names

---
 scene/animation/animation_blend_tree.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scene/animation/animation_blend_tree.cpp b/scene/animation/animation_blend_tree.cpp
index cdc85d2b2d2b..a96417738f8e 100644
--- a/scene/animation/animation_blend_tree.cpp
+++ b/scene/animation/animation_blend_tree.cpp
@@ -1139,7 +1139,11 @@ void AnimationNodeTransition::remove_input(int p_index) {
 
 bool AnimationNodeTransition::set_input_name(int p_input, const String &p_name) {
 	pending_update = true;
-	return AnimationNode::set_input_name(p_input, p_name);
+	if (!AnimationNode::set_input_name(p_input, p_name)) {
+		return false;
+	}
+	emit_signal(SNAME("tree_changed")); // For updating enum options.
+	return true;
 }
 
 void AnimationNodeTransition::set_input_as_auto_advance(int p_input, bool p_enable) {