From 19b998396c5caefe3beda9cb81337c5c7159519c Mon Sep 17 00:00:00 2001
From: kobewi <kobewi4e@gmail.com>
Date: Sun, 9 Apr 2023 20:43:55 +0200
Subject: Close built-in shaders when closing scene

(cherry picked from commit aaf02ec04a8ef053a359bc2f4cc3f1747448a4a3)
---
 editor/editor_data.cpp                  |  2 +-
 editor/editor_node.cpp                  |  1 +
 editor/plugins/script_editor_plugin.cpp |  7 +++++--
 editor/plugins/script_editor_plugin.h   |  3 +--
 editor/plugins/shader_editor_plugin.cpp | 28 ++++++++++++++++++++++++++++
 editor/plugins/shader_editor_plugin.h   |  4 ++++
 6 files changed, 40 insertions(+), 5 deletions(-)

(limited to 'editor')

diff --git a/editor/editor_data.cpp b/editor/editor_data.cpp
index 9bdd39f684..7eb539333b 100644
--- a/editor/editor_data.cpp
+++ b/editor/editor_data.cpp
@@ -595,7 +595,7 @@ void EditorData::remove_scene(int p_idx) {
 	}
 
 	if (!edited_scene[p_idx].path.is_empty()) {
-		ScriptEditor::get_singleton()->close_builtin_scripts_from_scene(edited_scene[p_idx].path);
+		EditorNode::get_singleton()->emit_signal("scene_closed", edited_scene[p_idx].path);
 	}
 
 	undo_redo_manager->discard_history(edited_scene[p_idx].history_id);
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 87ca642be5..54494b63df 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -6617,6 +6617,7 @@ void EditorNode::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("scene_saved", PropertyInfo(Variant::STRING, "path")));
 	ADD_SIGNAL(MethodInfo("project_settings_changed"));
 	ADD_SIGNAL(MethodInfo("scene_changed"));
+	ADD_SIGNAL(MethodInfo("scene_closed", PropertyInfo(Variant::STRING, "path")));
 }
 
 static Node *_resource_get_edited_scene() {
diff --git a/editor/plugins/script_editor_plugin.cpp b/editor/plugins/script_editor_plugin.cpp
index 46218869b3..ef86fd2a4c 100644
--- a/editor/plugins/script_editor_plugin.cpp
+++ b/editor/plugins/script_editor_plugin.cpp
@@ -1643,6 +1643,7 @@ void ScriptEditor::_notification(int p_what) {
 			get_tree()->connect("tree_changed", callable_mp(this, &ScriptEditor::_tree_changed));
 			InspectorDock::get_singleton()->connect("request_help", callable_mp(this, &ScriptEditor::_help_class_open));
 			EditorNode::get_singleton()->connect("request_help_search", callable_mp(this, &ScriptEditor::_help_search));
+			EditorNode::get_singleton()->connect("scene_closed", callable_mp(this, &ScriptEditor::_close_builtin_scripts_from_scene));
 		} break;
 
 		case NOTIFICATION_EXIT_TREE: {
@@ -1677,7 +1678,7 @@ bool ScriptEditor::can_take_away_focus() const {
 	}
 }
 
-void ScriptEditor::close_builtin_scripts_from_scene(const String &p_scene) {
+void ScriptEditor::_close_builtin_scripts_from_scene(const String &p_scene) {
 	for (int i = 0; i < tab_container->get_tab_count(); i++) {
 		ScriptEditorBase *se = Object::cast_to<ScriptEditorBase>(tab_container->get_tab_control(i));
 
@@ -1687,7 +1688,7 @@ void ScriptEditor::close_builtin_scripts_from_scene(const String &p_scene) {
 				continue;
 			}
 
-			if (scr->is_built_in() && scr->get_path().begins_with(p_scene)) { //is an internal script and belongs to scene being closed
+			if (scr->is_built_in() && scr->get_path().begins_with(p_scene)) { // Is an internal script and belongs to scene being closed.
 				_close_tab(i, false);
 				i--;
 			}
@@ -4089,6 +4090,8 @@ ScriptEditor::ScriptEditor() {
 	Ref<EditorJSONSyntaxHighlighter> json_syntax_highlighter;
 	json_syntax_highlighter.instantiate();
 	register_syntax_highlighter(json_syntax_highlighter);
+
+	EditorNode::get_singleton()->connect("scene_closed", callable_mp(this, &ScriptEditor::_close_builtin_scripts_from_scene));
 }
 
 ScriptEditor::~ScriptEditor() {
diff --git a/editor/plugins/script_editor_plugin.h b/editor/plugins/script_editor_plugin.h
index 7d2f5ad22a..10dfe0f199 100644
--- a/editor/plugins/script_editor_plugin.h
+++ b/editor/plugins/script_editor_plugin.h
@@ -482,6 +482,7 @@ class ScriptEditor : public PanelContainer {
 	void _on_find_in_files_modified_files(PackedStringArray paths);
 
 	static void _open_script_request(const String &p_path);
+	void _close_builtin_scripts_from_scene(const String &p_scene);
 
 	static ScriptEditor *script_editor;
 
@@ -523,8 +524,6 @@ public:
 	void notify_script_close(const Ref<Script> &p_script);
 	void notify_script_changed(const Ref<Script> &p_script);
 
-	void close_builtin_scripts_from_scene(const String &p_scene);
-
 	void goto_help(const String &p_desc) { _help_class_goto(p_desc); }
 	void update_doc(const String &p_name);
 	void clear_docs_from_script(const Ref<Script> &p_script);
diff --git a/editor/plugins/shader_editor_plugin.cpp b/editor/plugins/shader_editor_plugin.cpp
index 7861c8d354..6bc0f1580d 100644
--- a/editor/plugins/shader_editor_plugin.cpp
+++ b/editor/plugins/shader_editor_plugin.cpp
@@ -236,6 +236,26 @@ void ShaderEditorPlugin::_close_shader(int p_index) {
 	EditorUndoRedoManager::get_singleton()->clear_history(); // To prevent undo on deleted graphs.
 }
 
+void ShaderEditorPlugin::_close_builtin_shaders_from_scene(const String &p_scene) {
+	for (uint32_t i = 0; i < edited_shaders.size();) {
+		Ref<Shader> &shader = edited_shaders[i].shader;
+		if (shader.is_valid()) {
+			if (shader->is_built_in() && shader->get_path().begins_with(p_scene)) {
+				_close_shader(i);
+				continue;
+			}
+		}
+		Ref<ShaderInclude> &include = edited_shaders[i].shader_inc;
+		if (include.is_valid()) {
+			if (include->is_built_in() && include->get_path().begins_with(p_scene)) {
+				_close_shader(i);
+				continue;
+			}
+		}
+		i++;
+	}
+}
+
 void ShaderEditorPlugin::_resource_saved(Object *obj) {
 	// May have been renamed on save.
 	for (EditedShader &edited_shader : edited_shaders) {
@@ -422,6 +442,14 @@ void ShaderEditorPlugin::drop_data_fw(const Point2 &p_point, const Variant &p_da
 	}
 }
 
+void ShaderEditorPlugin::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_READY: {
+			EditorNode::get_singleton()->connect("scene_closed", callable_mp(this, &ShaderEditorPlugin::_close_builtin_shaders_from_scene));
+		} break;
+	}
+}
+
 ShaderEditorPlugin::ShaderEditorPlugin() {
 	main_split = memnew(HSplitContainer);
 
diff --git a/editor/plugins/shader_editor_plugin.h b/editor/plugins/shader_editor_plugin.h
index 408d08ade0..299d5975d2 100644
--- a/editor/plugins/shader_editor_plugin.h
+++ b/editor/plugins/shader_editor_plugin.h
@@ -82,6 +82,7 @@ class ShaderEditorPlugin : public EditorPlugin {
 	void _menu_item_pressed(int p_index);
 	void _resource_saved(Object *obj);
 	void _close_shader(int p_index);
+	void _close_builtin_shaders_from_scene(const String &p_scene);
 
 	void _shader_created(Ref<Shader> p_shader);
 	void _shader_include_created(Ref<ShaderInclude> p_shader_inc);
@@ -92,6 +93,9 @@ class ShaderEditorPlugin : public EditorPlugin {
 	bool can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const;
 	void drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from);
 
+protected:
+	void _notification(int p_what);
+
 public:
 	virtual String get_name() const override { return "Shader"; }
 	virtual void edit(Object *p_object) override;
-- 
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