From 5ca338bab6d77f0c25c4321549bddd46b28e1f42 Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Sat, 23 Jan 2016 18:28:30 -0300
Subject: [PATCH] -Fixed revert scene, should work proprely now, fixes #2782

---
 tools/editor/editor_data.cpp | 10 ++++++++++
 tools/editor/editor_data.h   |  1 +
 tools/editor/editor_node.cpp | 17 +++++++++++++++--
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/tools/editor/editor_data.cpp b/tools/editor/editor_data.cpp
index 5e613c658b8..c872b1c3ca7 100644
--- a/tools/editor/editor_data.cpp
+++ b/tools/editor/editor_data.cpp
@@ -635,6 +635,16 @@ String EditorData::get_scene_type(int p_idx) const {
 	return edited_scene[p_idx].root->get_type();
 
 }
+void EditorData::move_edited_scene_to_index(int p_idx) {
+
+	ERR_FAIL_INDEX(current_edited_scene,edited_scene.size());
+	ERR_FAIL_INDEX(p_idx,edited_scene.size());
+
+	EditedScene es=edited_scene[current_edited_scene];
+	edited_scene.remove(current_edited_scene);
+	edited_scene.insert(p_idx,es);
+	current_edited_scene=p_idx;
+}
 
 Ref<Script> EditorData::get_scene_root_script(int p_idx) const {
 
diff --git a/tools/editor/editor_data.h b/tools/editor/editor_data.h
index 7dafeeea042..fcc8ccef064 100644
--- a/tools/editor/editor_data.h
+++ b/tools/editor/editor_data.h
@@ -196,6 +196,7 @@ public:
 	void set_edited_scene_live_edit_root(const NodePath& p_root);
 	NodePath get_edited_scene_live_edit_root();
 	bool check_and_update_scene(int p_idx);
+	void move_edited_scene_to_index(int p_idx);
 
 
 	void set_plugin_window_layout(Ref<ConfigFile> p_layout);
diff --git a/tools/editor/editor_node.cpp b/tools/editor/editor_node.cpp
index eae2d69dd96..8d5f5e8aca5 100644
--- a/tools/editor/editor_node.cpp
+++ b/tools/editor/editor_node.cpp
@@ -2367,7 +2367,14 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 
 			if (!scene)
 				break;
-			
+
+			String filename = scene->get_filename();
+
+			if (filename==String()) {
+				show_warning("Can't reload a scene that was never saved..");
+				break;
+			}
+
 			if (unsaved_cache && !p_confirmed) {
 				confirmation->get_ok()->set_text("Revert");
 				confirmation->set_text("This action cannot be undone. Revert anyway?");
@@ -2375,7 +2382,13 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 				break;
 			}
 
-			Error err = load_scene(scene->get_filename());
+
+			int cur_idx = editor_data.get_edited_scene();
+			_remove_edited_scene();
+			Error err = load_scene(filename);
+			editor_data.move_edited_scene_to_index(cur_idx);
+			get_undo_redo()->clear_history();
+			scene_tabs->set_current_tab(cur_idx);
 
 		} break;