From 4248c84e2089b953e00a163962b5b7f19d95e688 Mon Sep 17 00:00:00 2001
From: Juan Linietsky
Date: Thu, 14 Jan 2016 11:06:20 -0300
Subject: -Make sure scenes properly update when switching tabs, even if
 sub-instances changed. Fixes #3201

---
 scene/resources/packed_scene.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'scene/resources/packed_scene.cpp')

diff --git a/scene/resources/packed_scene.cpp b/scene/resources/packed_scene.cpp
index d2795bddb..03127620f 100644
--- a/scene/resources/packed_scene.cpp
+++ b/scene/resources/packed_scene.cpp
@@ -1597,6 +1597,16 @@ Node *PackedScene::instance(bool p_gen_edit_state) const {
 	return s;
 }
 
+void PackedScene::replace_state(Ref<SceneState> p_by) {
+
+	state=p_by;
+	state->set_path(get_path());
+#ifdef TOOLS_ENABLED
+	state->set_last_modified_time(get_last_modified_time());
+#endif
+
+}
+
 void PackedScene::recreate_state() {
 
 	state = Ref<SceneState>( memnew( SceneState ));
-- 
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