From f80663e33df71c84db6dba063f32f34eecc610f6 Mon Sep 17 00:00:00 2001
From: fabriceci <fabricecipolla@gmail.com>
Date: Mon, 11 Oct 2021 11:30:59 +0200
Subject: [PATCH] Improve editor template workflow

Co-Authored-By: jmb462 <jmb462@gmail.com>
---
 core/object/script_language.cpp               |   1 -
 core/object/script_language.h                 |  25 +-
 editor/editor_settings.cpp                    |  40 --
 editor/plugin_config_dialog.cpp               |  48 +--
 editor/script_create_dialog.cpp               | 345 +++++++++++-------
 editor/script_create_dialog.h                 |  25 +-
 modules/gdscript/SCsub                        |   2 +
 .../CharacterBody2D/basic_movement.gd         |  29 ++
 .../CharacterBody3D/basic_movement.gd         |  32 ++
 .../gdscript/editor_templates/Node/default.gd |  12 +
 .../gdscript/editor_templates/Object/empty.gd |   3 +
 modules/gdscript/editor_templates/SCsub       |  17 +
 .../editor_templates/build_template_gd.py     | 102 ++++++
 modules/gdscript/editor_templates/plugin.gd   |  10 +
 modules/gdscript/gdscript.cpp                 |  14 +-
 modules/gdscript/gdscript.h                   | 102 +++---
 modules/gdscript/gdscript_editor.cpp          | 106 +++---
 modules/mono/SCsub                            |   2 +
 modules/mono/csharp_script.cpp                |  71 ++--
 modules/mono/csharp_script.h                  |   5 +-
 .../CharacterBody2D/basic_movement.cs         |  41 +++
 .../CharacterBody3D/basic_movement.cs         |  44 +++
 modules/mono/editor_templates/Node/default.cs |  21 ++
 modules/mono/editor_templates/Object/empty.cs |   9 +
 modules/mono/editor_templates/SCsub           |  17 +
 .../editor_templates/build_template_cs.py     | 102 ++++++
 modules/mono/editor_templates/plugin.cs       |  18 +
 modules/visual_script/visual_script.cpp       |  15 +-
 modules/visual_script/visual_script.h         |  77 ++--
 29 files changed, 895 insertions(+), 440 deletions(-)
 create mode 100644 modules/gdscript/editor_templates/CharacterBody2D/basic_movement.gd
 create mode 100644 modules/gdscript/editor_templates/CharacterBody3D/basic_movement.gd
 create mode 100644 modules/gdscript/editor_templates/Node/default.gd
 create mode 100644 modules/gdscript/editor_templates/Object/empty.gd
 create mode 100644 modules/gdscript/editor_templates/SCsub
 create mode 100644 modules/gdscript/editor_templates/build_template_gd.py
 create mode 100644 modules/gdscript/editor_templates/plugin.gd
 create mode 100644 modules/mono/editor_templates/CharacterBody2D/basic_movement.cs
 create mode 100644 modules/mono/editor_templates/CharacterBody3D/basic_movement.cs
 create mode 100644 modules/mono/editor_templates/Node/default.cs
 create mode 100644 modules/mono/editor_templates/Object/empty.cs
 create mode 100644 modules/mono/editor_templates/SCsub
 create mode 100644 modules/mono/editor_templates/build_template_cs.py
 create mode 100644 modules/mono/editor_templates/plugin.cs

diff --git a/core/object/script_language.cpp b/core/object/script_language.cpp
index b0ce46ca2b..5bb4b7c516 100644
--- a/core/object/script_language.cpp
+++ b/core/object/script_language.cpp
@@ -34,7 +34,6 @@
 #include "core/core_string_names.h"
 #include "core/debugger/engine_debugger.h"
 #include "core/debugger/script_debugger.h"
-
 #include <stdint.h>
 
 ScriptLanguage *ScriptServer::_languages[MAX_LANGUAGES];
diff --git a/core/object/script_language.h b/core/object/script_language.h
index 8d76cbf479..95cb80da81 100644
--- a/core/object/script_language.h
+++ b/core/object/script_language.h
@@ -274,13 +274,34 @@ public:
 		String message;
 	};
 
+	enum ScriptOrigin {
+		SCRIPT_ORIGIN_BUILT_IN,
+		SCRIPT_ORIGIN_EDITOR,
+		SCRIPT_ORIGIN_PROJECT
+	};
+
+	struct ScriptTemplate {
+		String inherit = "Object";
+		String name;
+		String description;
+		String content;
+		bool default_template = false;
+		int id = 0;
+		ScriptOrigin origin = ScriptOrigin::SCRIPT_ORIGIN_BUILT_IN;
+
+		String get_hash() const {
+			return itos(origin) + inherit + name;
+		}
+	};
+
 	void get_core_type_words(List<String> *p_core_type_words) const;
 	virtual void get_reserved_words(List<String> *p_words) const = 0;
 	virtual bool is_control_flow_keyword(String p_string) const = 0;
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const = 0;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const = 0;
-	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const = 0;
-	virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {}
+	virtual Ref<Script> make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const { return Ref<Script>(); }
+	virtual Ref<Script> get_plugin_template(const String &p_class_name, const String &p_base_class_name) const { return Ref<Script>(); }
+	virtual Vector<ScriptTemplate> get_built_in_template(StringName p_object) { return Vector<ScriptTemplate>(); }
 	virtual bool is_using_templates() { return false; }
 	virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptError> *r_errors = nullptr, List<Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const = 0;
 	virtual String validate_path(const String &p_path) const { return ""; }
diff --git a/editor/editor_settings.cpp b/editor/editor_settings.cpp
index 1da9213b89..a90808c1d6 100644
--- a/editor/editor_settings.cpp
+++ b/editor/editor_settings.cpp
@@ -792,43 +792,6 @@ bool EditorSettings::_is_default_text_editor_theme(String p_theme_name) {
 	return p_theme_name == "default" || p_theme_name == "godot 2" || p_theme_name == "custom";
 }
 
-static Dictionary _get_builtin_script_templates() {
-	Dictionary templates;
-
-	// No Comments
-	templates["no_comments.gd"] =
-			"extends %BASE%\n"
-			"\n"
-			"\n"
-			"func _ready()%VOID_RETURN%:\n"
-			"%TS%pass\n";
-
-	// Empty
-	templates["empty.gd"] =
-			"extends %BASE%"
-			"\n"
-			"\n";
-
-	return templates;
-}
-
-static void _create_script_templates(const String &p_path) {
-	Dictionary templates = _get_builtin_script_templates();
-	List<Variant> keys;
-	templates.get_key_list(&keys);
-	FileAccessRef file = FileAccess::create(FileAccess::ACCESS_FILESYSTEM);
-	DirAccessRef dir = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
-	dir->change_dir(p_path);
-	for (int i = 0; i < keys.size(); i++) {
-		if (!dir->file_exists(keys[i])) {
-			Error err = file->reopen(p_path.plus_file((String)keys[i]), FileAccess::WRITE);
-			ERR_FAIL_COND(err != OK);
-			file->store_string(templates[keys[i]]);
-			file->close();
-		}
-	}
-}
-
 // PUBLIC METHODS
 
 EditorSettings *EditorSettings::get_singleton() {
@@ -863,10 +826,7 @@ void EditorSettings::create() {
 	}
 
 	if (EditorPaths::get_singleton()->are_paths_valid()) {
-		_create_script_templates(EditorPaths::get_singleton()->get_config_dir().plus_file("script_templates"));
-
 		// Validate editor config file.
-
 		DirAccessRef dir = DirAccess::open(EditorPaths::get_singleton()->get_config_dir());
 		String config_file_name = "editor_settings-" + itos(VERSION_MAJOR) + ".tres";
 		config_file_path = EditorPaths::get_singleton()->get_config_dir().plus_file(config_file_name);
diff --git a/editor/plugin_config_dialog.cpp b/editor/plugin_config_dialog.cpp
index 91ca1465df..4cdfdc39e2 100644
--- a/editor/plugin_config_dialog.cpp
+++ b/editor/plugin_config_dialog.cpp
@@ -39,9 +39,6 @@
 #include "scene/gui/grid_container.h"
 
 #include "modules/modules_enabled.gen.h"
-#ifdef MODULE_GDSCRIPT_ENABLED
-#include "modules/gdscript/gdscript.h"
-#endif
 
 void PluginConfigDialog::_clear_fields() {
 	name_edit->set_text("");
@@ -76,42 +73,11 @@ void PluginConfigDialog::_on_confirmed() {
 		String lang_name = ScriptServer::get_language(lang_idx)->get_name();
 
 		Ref<Script> script;
-
-		// TODO Use script templates. Right now, this code won't add the 'tool' annotation to other languages.
-		// TODO Better support script languages with named classes (has_named_classes).
-
-		// FIXME: It's hacky to have hardcoded access to the GDScript module here.
-		// The editor code should not have to know what languages are enabled.
-#ifdef MODULE_GDSCRIPT_ENABLED
-		if (lang_name == GDScriptLanguage::get_singleton()->get_name()) {
-			// Hard-coded GDScript template to keep usability until we use script templates.
-			Ref<Script> gdscript = memnew(GDScript);
-			gdscript->set_source_code(
-					"@tool\n"
-					"extends EditorPlugin\n"
-					"\n"
-					"\n"
-					"func _enter_tree()%VOID_RETURN%:\n"
-					"%TS%pass\n"
-					"\n"
-					"\n"
-					"func _exit_tree()%VOID_RETURN%:\n"
-					"%TS%pass\n");
-			GDScriptLanguage::get_singleton()->make_template("", "", gdscript);
-			String script_path = path.plus_file(script_edit->get_text());
-			gdscript->set_path(script_path);
-			ResourceSaver::save(script_path, gdscript);
-			script = gdscript;
-		} else {
-#endif
-			String script_path = path.plus_file(script_edit->get_text());
-			String class_name = script_path.get_file().get_basename();
-			script = ScriptServer::get_language(lang_idx)->get_template(class_name, "EditorPlugin");
-			script->set_path(script_path);
-			ResourceSaver::save(script_path, script);
-#ifdef MODULE_GDSCRIPT_ENABLED
-		}
-#endif
+		String script_path = path.plus_file(script_edit->get_text());
+		String class_name = script_path.get_file().get_basename();
+		script = ScriptServer::get_language(lang_idx)->get_plugin_template(class_name, String("EditorPlugin"));
+		script->set_path(script_path);
+		ResourceSaver::save(script_path, script);
 
 		emit_signal(SNAME("plugin_ready"), script.operator->(), active_edit->is_pressed() ? _to_absolute_plugin_path(subfolder_edit->get_text()) : "");
 	} else {
@@ -329,11 +295,9 @@ PluginConfigDialog::PluginConfigDialog() {
 	for (int i = 0; i < ScriptServer::get_language_count(); i++) {
 		ScriptLanguage *lang = ScriptServer::get_language(i);
 		script_option_edit->add_item(lang->get_name());
-#ifdef MODULE_GDSCRIPT_ENABLED
-		if (lang == GDScriptLanguage::get_singleton()) {
+		if (lang->get_name() == "GDScript") {
 			default_lang = i;
 		}
-#endif
 	}
 	script_option_edit->select(default_lang);
 	grid->add_child(script_option_edit);
diff --git a/editor/script_create_dialog.cpp b/editor/script_create_dialog.cpp
index 1e19d9bd47..70c4901f93 100644
--- a/editor/script_create_dialog.cpp
+++ b/editor/script_create_dialog.cpp
@@ -33,7 +33,6 @@
 #include "core/config/project_settings.h"
 #include "core/io/file_access.h"
 #include "core/io/resource_saver.h"
-#include "core/object/script_language.h"
 #include "core/string/string_builder.h"
 #include "editor/create_dialog.h"
 #include "editor/editor_node.h"
@@ -262,21 +261,11 @@ void ScriptCreateDialog::_parent_name_changed(const String &p_parent) {
 }
 
 void ScriptCreateDialog::_template_changed(int p_template) {
-	String selected_template = p_template == 0 ? "" : template_menu->get_item_text(p_template);
-	EditorSettings::get_singleton()->set_project_metadata("script_setup", "last_selected_template", selected_template);
-	if (p_template == 0) {
-		//default
-		script_template = "";
-		return;
-	}
-	int selected_id = template_menu->get_selected_id();
-
-	for (int i = 0; i < template_list.size(); i++) {
-		const ScriptTemplateInfo &sinfo = template_list[i];
-		if (sinfo.id == selected_id) {
-			script_template = sinfo.dir.plus_file(sinfo.name + "." + sinfo.extension);
-			break;
-		}
+	const ScriptLanguage::ScriptTemplate &sinfo = _get_current_template();
+	if (sinfo.description.size() > 60) {
+		template_menu->set_tooltip(sinfo.description.substr(0, 60) + "...");
+	} else {
+		template_menu->set_tooltip(sinfo.description);
 	}
 }
 
@@ -295,18 +284,15 @@ void ScriptCreateDialog::_create_new() {
 	String cname_param = _get_class_name();
 
 	Ref<Script> scr;
-	if (script_template != "") {
-		scr = ResourceLoader::load(script_template);
-		if (scr.is_null()) {
-			alert->set_text(vformat(TTR("Error loading template '%s'"), script_template));
-			alert->popup_centered();
-			return;
-		}
-		scr = scr->duplicate();
-		ScriptServer::get_language(language_menu->get_selected())->make_template(cname_param, parent_name->get_text(), scr);
-	} else {
-		scr = ScriptServer::get_language(language_menu->get_selected())->get_template(cname_param, parent_name->get_text());
-	}
+
+	const ScriptLanguage::ScriptTemplate sinfo = _get_current_template();
+
+	// Save template into the editor dic.
+	Dictionary dic_templates = EditorSettings::get_singleton()->get_project_metadata("script_setup", "templates_dictionary", Dictionary());
+	dic_templates[parent_name->get_text()] = sinfo.get_hash();
+	EditorSettings::get_singleton()->set_project_metadata("script_setup", "templates_dictionary", dic_templates);
+
+	scr = ScriptServer::get_language(language_menu->get_selected())->make_template(sinfo.content, cname_param, parent_name->get_text());
 
 	if (has_named_classes) {
 		String cname = class_name->get_text();
@@ -343,6 +329,18 @@ void ScriptCreateDialog::_load_exist() {
 	hide();
 }
 
+Vector<String> ScriptCreateDialog::get_hierarchy(String p_object) const {
+	Vector<String> hierachy;
+	hierachy.append(p_object);
+
+	String parent_class = ClassDB::get_parent_class(p_object);
+	while (parent_class.is_valid_identifier()) {
+		hierachy.append(parent_class);
+		parent_class = ClassDB::get_parent_class(parent_class);
+	}
+	return hierachy;
+}
+
 void ScriptCreateDialog::_lang_changed(int l) {
 	ScriptLanguage *language = ScriptServer::get_language(l);
 
@@ -390,78 +388,75 @@ void ScriptCreateDialog::_lang_changed(int l) {
 	bool use_templates = language->is_using_templates();
 	template_menu->set_disabled(!use_templates);
 	template_menu->clear();
+	template_list.clear();
 
 	if (use_templates) {
-		_update_script_templates(language->get_extension());
+		Dictionary dic_templates = EditorSettings::get_singleton()->get_project_metadata("script_setup", "templates_dictionary", Dictionary());
 
-		String last_lang = EditorSettings::get_singleton()->get_project_metadata("script_setup", "last_selected_language", "");
-		String last_template = EditorSettings::get_singleton()->get_project_metadata("script_setup", "last_selected_template", "");
+		Vector<String> hierarchy = get_hierarchy(parent_name->get_text());
+		int selected_template = -1;
+		int project_settings_template = -1;
+		int default_template_level = -1;
 
-		template_menu->add_item(TTR("Default"));
-
-		ScriptTemplateInfo *templates = template_list.ptrw();
-
-		Vector<String> origin_names;
-		origin_names.push_back(TTR("Project"));
-		origin_names.push_back(TTR("Editor"));
-		int cur_origin = -1;
-
-		// Populate script template items previously sorted and now grouped by origin
-		for (int i = 0; i < template_list.size(); i++) {
-			if (int(templates[i].origin) != cur_origin) {
-				template_menu->add_separator();
-
-				String origin_name = origin_names[templates[i].origin];
-
-				int last_index = template_menu->get_item_count() - 1;
-				template_menu->set_item_text(last_index, origin_name);
-
-				cur_origin = templates[i].origin;
-			}
-			String item_name = templates[i].name.capitalize();
-			template_menu->add_item(item_name);
-
-			int new_id = template_menu->get_item_count() - 1;
-			templates[i].id = new_id;
-		}
-		// Disable overridden
-		for (const KeyValue<String, Vector<int>> &E : template_overrides) {
-			const Vector<int> &overrides = E.value;
-
-			if (overrides.size() == 1) {
-				continue; // doesn't override anything
-			}
-			const ScriptTemplateInfo &extended = template_list[overrides[0]];
-
-			StringBuilder override_info;
-			override_info += TTR("Overrides");
-			override_info += ": ";
-
-			for (int i = 1; i < overrides.size(); i++) {
-				const ScriptTemplateInfo &overridden = template_list[overrides[i]];
-
-				int disable_index = template_menu->get_item_index(overridden.id);
-				template_menu->set_item_disabled(disable_index, true);
-
-				override_info += origin_names[overridden.origin];
-				if (i < overrides.size() - 1) {
-					override_info += ", ";
+		Vector<ScriptLanguage::ScriptOrigin> origin_arr;
+		origin_arr.append(ScriptLanguage::SCRIPT_ORIGIN_BUILT_IN);
+		origin_arr.append(ScriptLanguage::SCRIPT_ORIGIN_EDITOR);
+		origin_arr.append(ScriptLanguage::SCRIPT_ORIGIN_PROJECT);
+		for (int index = 0; index < origin_arr.size(); index++) {
+			ScriptLanguage::ScriptOrigin current_origin = origin_arr[index];
+			String label = _get_script_origin_label(current_origin);
+			bool separator = false;
+			for (int i = 0; i < hierarchy.size(); i++) {
+				Vector<ScriptLanguage::ScriptTemplate> result;
+				if (current_origin == ScriptLanguage::SCRIPT_ORIGIN_BUILT_IN) {
+					result = language->get_built_in_template(hierarchy[i]);
+				} else {
+					String template_dir;
+					if (current_origin == ScriptLanguage::SCRIPT_ORIGIN_PROJECT) {
+						template_dir = EditorSettings::get_singleton()->get_project_script_templates_dir();
+					} else {
+						template_dir = EditorSettings::get_singleton()->get_script_templates_dir();
+					}
+					result = _get_user_template(language, hierarchy[i], template_dir, current_origin);
+				}
+				if (result.size() > 0) {
+					if (!separator) {
+						template_menu->add_separator();
+						template_menu->set_item_text(template_menu->get_item_count() - 1, label);
+						separator = true;
+					}
+					for (int y = 0; y < result.size(); y++) {
+						ScriptLanguage::ScriptTemplate t = result.get(y);
+						template_menu->add_item(t.inherit + ": " + t.name);
+						int id = template_menu->get_item_count() - 1;
+						if (t.default_template && (default_template_level == -1 || i <= default_template_level)) {
+							default_template_level = i;
+							selected_template = id;
+						}
+						if (dic_templates.has(parent_name->get_text()) && t.get_hash() == String(dic_templates[parent_name->get_text()])) {
+							project_settings_template = id;
+						}
+						t.id = id;
+						template_list.push_back(t);
+						template_menu->set_item_icon(id, get_theme_icon(t.inherit, SNAME("EditorIcons")));
+					}
 				}
 			}
-			template_menu->set_item_icon(extended.id, get_theme_icon(SNAME("Override"), SNAME("EditorIcons")));
-			template_menu->get_popup()->set_item_tooltip(extended.id, override_info.as_string());
 		}
-		// Reselect last selected template
-		for (int i = 0; i < template_menu->get_item_count(); i++) {
-			const String &ti = template_menu->get_item_text(i);
-			if (language_menu->get_item_text(language_menu->get_selected()) == last_lang && last_template == ti) {
-				template_menu->select(i);
-				break;
-			}
+
+		if (template_menu->get_item_count() == 0) {
+			template_menu->set_disabled(true);
+			template_menu->add_item(TTR("N/A"));
 		}
+
+		if (project_settings_template != -1) {
+			template_menu->select(project_settings_template);
+		} else if (selected_template != -1) {
+			template_menu->select(selected_template);
+		}
+
 	} else {
 		template_menu->add_item(TTR("N/A"));
-		script_template = "";
 	}
 
 	_template_changed(template_menu->get_selected());
@@ -471,39 +466,6 @@ void ScriptCreateDialog::_lang_changed(int l) {
 	_update_dialog();
 }
 
-void ScriptCreateDialog::_update_script_templates(const String &p_extension) {
-	template_list.clear();
-	template_overrides.clear();
-
-	Vector<String> dirs;
-
-	// Ordered from local to global for correct override mechanism
-	dirs.push_back(EditorSettings::get_singleton()->get_project_script_templates_dir());
-	dirs.push_back(EditorSettings::get_singleton()->get_script_templates_dir());
-
-	for (int i = 0; i < dirs.size(); i++) {
-		Vector<String> list = EditorSettings::get_singleton()->get_script_templates(p_extension, dirs[i]);
-
-		for (int j = 0; j < list.size(); j++) {
-			ScriptTemplateInfo sinfo;
-			sinfo.origin = ScriptOrigin(i);
-			sinfo.dir = dirs[i];
-			sinfo.name = list[j];
-			sinfo.extension = p_extension;
-			template_list.push_back(sinfo);
-
-			if (!template_overrides.has(sinfo.name)) {
-				Vector<int> overrides;
-				overrides.push_back(template_list.size() - 1); // first one
-				template_overrides.insert(sinfo.name, overrides);
-			} else {
-				Vector<int> &overrides = template_overrides[sinfo.name];
-				overrides.push_back(template_list.size() - 1);
-			}
-		}
-	}
-}
-
 void ScriptCreateDialog::_built_in_pressed() {
 	if (internal->is_pressed()) {
 		is_built_in = true;
@@ -695,6 +657,8 @@ void ScriptCreateDialog::_update_dialog() {
 		parent_name->set_editable(true);
 		parent_search_button->set_disabled(false);
 		parent_browse_button->set_disabled(!can_inherit_from_file);
+		template_menu->show();
+		template_inactive->hide();
 		_msg_path_valid(true, TTR("Built-in script (into scene file)."));
 	} else if (is_new_script_created) {
 		// New script created.
@@ -703,6 +667,8 @@ void ScriptCreateDialog::_update_dialog() {
 		parent_name->set_editable(true);
 		parent_search_button->set_disabled(false);
 		parent_browse_button->set_disabled(!can_inherit_from_file);
+		template_menu->show();
+		template_inactive->hide();
 		if (is_path_valid) {
 			_msg_path_valid(true, TTR("Will create a new script file."));
 		}
@@ -713,6 +679,8 @@ void ScriptCreateDialog::_update_dialog() {
 		parent_name->set_editable(false);
 		parent_search_button->set_disabled(true);
 		parent_browse_button->set_disabled(true);
+		template_menu->hide();
+		template_inactive->show();
 		if (is_path_valid) {
 			_msg_path_valid(true, TTR("Will load an existing script file."));
 		}
@@ -721,6 +689,8 @@ void ScriptCreateDialog::_update_dialog() {
 		parent_name->set_editable(true);
 		parent_search_button->set_disabled(false);
 		parent_browse_button->set_disabled(!can_inherit_from_file);
+		template_menu->show();
+		template_inactive->hide();
 		_msg_path_valid(false, TTR("Script file already exists."));
 
 		script_ok = false;
@@ -738,6 +708,120 @@ void ScriptCreateDialog::_update_dialog() {
 	}
 }
 
+ScriptLanguage::ScriptTemplate ScriptCreateDialog::_get_current_template() const {
+	int selected_id = template_menu->get_selected_id();
+
+	for (int i = 0; i < template_list.size(); i++) {
+		const ScriptLanguage::ScriptTemplate &sinfo = template_list[i];
+		if (sinfo.id == selected_id) {
+			return sinfo;
+		}
+	}
+	return ScriptLanguage::ScriptTemplate();
+}
+
+Vector<ScriptLanguage::ScriptTemplate> ScriptCreateDialog::_get_user_template(const ScriptLanguage *language, const StringName &p_object, const String &p_dir, const ScriptLanguage::ScriptOrigin &p_origin) const {
+	Vector<ScriptLanguage::ScriptTemplate> user_templates;
+	String extension = language->get_extension();
+
+	String dir_path = p_dir.plus_file(p_object);
+
+	DirAccess *d = DirAccess::open(dir_path);
+	if (d) {
+		d->list_dir_begin();
+		String file = d->get_next();
+		while (file != String()) {
+			if (file.get_extension() == extension) {
+				user_templates.append(_parse_template(language, dir_path, file, p_origin, p_object));
+			}
+			file = d->get_next();
+		}
+		d->list_dir_end();
+		memdelete(d);
+	}
+	return user_templates;
+}
+
+ScriptLanguage::ScriptTemplate ScriptCreateDialog::_parse_template(const ScriptLanguage *language, const String &p_path, const String &p_filename, const ScriptLanguage::ScriptOrigin &p_origin, const String &p_inherits) const {
+	ScriptLanguage::ScriptTemplate script_template = ScriptLanguage::ScriptTemplate();
+	script_template.origin = p_origin;
+	script_template.inherit = p_inherits;
+	String space_indent = "    ";
+	// Get meta delimiter
+	String meta_delimiter = String();
+	List<String> comment_delimiters;
+	language->get_comment_delimiters(&comment_delimiters);
+	for (const String &script_delimiter : comment_delimiters) {
+		if (script_delimiter.find(" ") == -1) {
+			meta_delimiter = script_delimiter;
+			break;
+		}
+	}
+	String meta_prefix = meta_delimiter + " meta-";
+
+	// Parse file for meta-information and script content
+	Error err;
+	FileAccess *file = FileAccess::open(p_path.plus_file(p_filename), FileAccess::READ, &err);
+	if (!err) {
+		while (!file->eof_reached()) {
+			String line = file->get_line();
+			if (line.begins_with(meta_prefix)) {
+				// Store meta information
+				line = line.substr(meta_prefix.length(), -1);
+				if (line.begins_with("name")) {
+					script_template.name = line.substr(5, -1).strip_edges();
+				}
+				if (line.begins_with("description")) {
+					script_template.description = line.substr(12, -1).strip_edges();
+				}
+				if (line.begins_with("default")) {
+					script_template.default_template = line.substr(8, -1).strip_edges() == "true";
+				}
+				if (line.begins_with("space-indent")) {
+					String indent_value = line.substr(17, -1).strip_edges();
+					if (indent_value.is_valid_int()) {
+						space_indent = "";
+						for (int i = 0; i < indent_value.to_int(); i++) {
+							space_indent += " ";
+						}
+					} else {
+						WARN_PRINT(vformat("Template meta-use_space_indent need to be a valid integer value. Found %s.", indent_value));
+					}
+				}
+			} else {
+				// Store script
+				if (space_indent != "") {
+					line = line.replace(space_indent, "_TS_");
+				}
+				script_template.content += line.replace("\t", "_TS_") + "\n";
+			}
+		}
+		file->close();
+		memdelete(file);
+	}
+
+	script_template.content = script_template.content.lstrip("\n");
+
+	// Get name from file name if no name in meta information
+	if (script_template.name == String()) {
+		script_template.name = p_filename.get_basename().replace("_", " ").capitalize();
+	}
+
+	return script_template;
+}
+
+String ScriptCreateDialog::_get_script_origin_label(const ScriptLanguage::ScriptOrigin &p_origin) const {
+	switch (p_origin) {
+		case ScriptLanguage::SCRIPT_ORIGIN_BUILT_IN:
+			return TTR("Built-in");
+		case ScriptLanguage::SCRIPT_ORIGIN_EDITOR:
+			return TTR("Editor");
+		case ScriptLanguage::SCRIPT_ORIGIN_PROJECT:
+			return TTR("Project");
+	}
+	return "";
+}
+
 void ScriptCreateDialog::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("config", "inherits", "path", "built_in_enabled", "load_enabled"), &ScriptCreateDialog::config, DEFVAL(true), DEFVAL(true));
 
@@ -794,7 +878,7 @@ ScriptCreateDialog::ScriptCreateDialog() {
 	/* Language */
 
 	language_menu = memnew(OptionButton);
-	language_menu->set_custom_minimum_size(Size2(250, 0) * EDSCALE);
+	language_menu->set_custom_minimum_size(Size2(350, 0) * EDSCALE);
 	language_menu->set_h_size_flags(Control::SIZE_EXPAND_FILL);
 	gc->add_child(memnew(Label(TTR("Language:"))));
 	gc->add_child(language_menu);
@@ -843,10 +927,19 @@ ScriptCreateDialog::ScriptCreateDialog() {
 	gc->add_child(class_name);
 
 	/* Templates */
-
+	HBoxContainer *template_hb = memnew(HBoxContainer);
+	template_hb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+	template_inactive = memnew(LineEdit);
+	template_inactive->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+	template_inactive->set_text(TTR("Script already exists."));
+	template_inactive->set_editable(false);
 	template_menu = memnew(OptionButton);
+	template_menu->set_h_size_flags(Control::SIZE_EXPAND_FILL);
 	gc->add_child(memnew(Label(TTR("Template:"))));
-	gc->add_child(template_menu);
+	template_hb->add_child(template_inactive);
+	template_hb->add_child(template_menu);
+	template_inactive->set_visible(false);
+	gc->add_child(template_hb);
 	template_menu->connect("item_selected", callable_mp(this, &ScriptCreateDialog::_template_changed));
 
 	/* Built-in Script */
diff --git a/editor/script_create_dialog.h b/editor/script_create_dialog.h
index 7c2ef1e150..8e9e43d0da 100644
--- a/editor/script_create_dialog.h
+++ b/editor/script_create_dialog.h
@@ -31,6 +31,7 @@
 #ifndef SCRIPT_CREATE_DIALOG_H
 #define SCRIPT_CREATE_DIALOG_H
 
+#include "core/object/script_language.h"
 #include "editor/editor_file_dialog.h"
 #include "editor/editor_settings.h"
 #include "scene/gui/check_box.h"
@@ -56,6 +57,7 @@ class ScriptCreateDialog : public ConfirmationDialog {
 	Button *parent_search_button;
 	OptionButton *language_menu;
 	OptionButton *template_menu;
+	LineEdit *template_inactive;
 	LineEdit *file_path;
 	Button *path_button;
 	EditorFileDialog *file_browse;
@@ -81,23 +83,7 @@ class ScriptCreateDialog : public ConfirmationDialog {
 	int default_language;
 	bool re_check_path;
 
-	enum ScriptOrigin {
-		SCRIPT_ORIGIN_PROJECT,
-		SCRIPT_ORIGIN_EDITOR,
-	};
-	struct ScriptTemplateInfo {
-		int id = 0;
-		ScriptOrigin origin = ScriptOrigin::SCRIPT_ORIGIN_EDITOR;
-		String dir;
-		String name;
-		String extension;
-	};
-
-	String script_template;
-	Vector<ScriptTemplateInfo> template_list;
-	Map<String, Vector<int>> template_overrides; // name : indices
-
-	void _update_script_templates(const String &p_extension);
+	Vector<ScriptLanguage::ScriptTemplate> template_list;
 
 	String base_type;
 
@@ -121,9 +107,14 @@ class ScriptCreateDialog : public ConfirmationDialog {
 	virtual void ok_pressed() override;
 	void _create_new();
 	void _load_exist();
+	Vector<String> get_hierarchy(String p_object) const;
 	void _msg_script_valid(bool valid, const String &p_msg = String());
 	void _msg_path_valid(bool valid, const String &p_msg = String());
 	void _update_dialog();
+	ScriptLanguage::ScriptTemplate _get_current_template() const;
+	Vector<ScriptLanguage::ScriptTemplate> _get_user_template(const ScriptLanguage *language, const StringName &p_object, const String &p_dir, const ScriptLanguage::ScriptOrigin &p_origin) const;
+	ScriptLanguage::ScriptTemplate _parse_template(const ScriptLanguage *language, const String &p_path, const String &p_filename, const ScriptLanguage::ScriptOrigin &p_origin, const String &p_inherits) const;
+	String _get_script_origin_label(const ScriptLanguage::ScriptOrigin &p_origin) const;
 
 protected:
 	void _notification(int p_what);
diff --git a/modules/gdscript/SCsub b/modules/gdscript/SCsub
index 5c8cbdf869..c6121ec7fe 100644
--- a/modules/gdscript/SCsub
+++ b/modules/gdscript/SCsub
@@ -21,3 +21,5 @@ if env["tools"]:
 if env["tests"]:
     env_gdscript.Append(CPPDEFINES=["TESTS_ENABLED"])
     env_gdscript.add_source_files(env.modules_sources, "./tests/*.cpp")
+
+SConscript("editor_templates/SCsub")
diff --git a/modules/gdscript/editor_templates/CharacterBody2D/basic_movement.gd b/modules/gdscript/editor_templates/CharacterBody2D/basic_movement.gd
new file mode 100644
index 0000000000..8e0aea5dc1
--- /dev/null
+++ b/modules/gdscript/editor_templates/CharacterBody2D/basic_movement.gd
@@ -0,0 +1,29 @@
+# meta-description: Classic movement for gravity games (platformer, ...)
+# meta-default: true
+
+extends _BASE_
+
+const SPEED: int = 300
+const JUMP_FORCE: int = -400
+
+# Get the gravity from the project settings to be synced with RigidDynamicBody nodes.
+var gravity: int = ProjectSettings.get_setting("physics/2d/default_gravity")
+
+
+func _physics_process(delta):
+	# Add the gravity.
+	if not is_on_floor():
+		motion_velocity.y += gravity * delta
+
+	# Handle Jump.
+	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+		motion_velocity.y = JUMP_FORCE
+
+	#  Get the input direction and handle the movement/deceleration.
+	var direction = Input.get_axis("ui_left", "ui_right")
+	if direction:
+		motion_velocity.x = direction * SPEED
+	else:
+		motion_velocity.x = move_toward(motion_velocity.x, 0, SPEED)
+
+	move_and_slide()
diff --git a/modules/gdscript/editor_templates/CharacterBody3D/basic_movement.gd b/modules/gdscript/editor_templates/CharacterBody3D/basic_movement.gd
new file mode 100644
index 0000000000..d492a22961
--- /dev/null
+++ b/modules/gdscript/editor_templates/CharacterBody3D/basic_movement.gd
@@ -0,0 +1,32 @@
+# meta-description: Classic movement for gravity games (FPS, TPS, ...)
+# meta-default: true
+
+extends _BASE_
+
+const SPEED: int = 8
+const JUMP_FORCE: int = 4
+
+# Get the gravity from the project settings to be synced with RigidDynamicBody nodes.
+var gravity: float = ProjectSettings.get_setting("physics/3d/default_gravity")
+
+
+func _physics_process(delta):
+	# Add the gravity.
+	if not is_on_floor():
+		motion_velocity.y -= gravity * delta
+
+	# Handle Jump.
+	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+		motion_velocity.y = JUMP_FORCE
+
+	#  Get the input direction and handle the movement/deceleration.
+	var input_dir := Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down")
+	var direction = transform.basis * Vector3(input_dir.x, 0, input_dir.y)
+	if direction:
+		motion_velocity.x = direction.x * SPEED
+		motion_velocity.z = direction.z * SPEED
+	else:
+		motion_velocity.x = move_toward(motion_velocity.x, 0, SPEED)
+		motion_velocity.z = move_toward(motion_velocity.z, 0, SPEED)
+
+	move_and_slide()
diff --git a/modules/gdscript/editor_templates/Node/default.gd b/modules/gdscript/editor_templates/Node/default.gd
new file mode 100644
index 0000000000..09128dbfbd
--- /dev/null
+++ b/modules/gdscript/editor_templates/Node/default.gd
@@ -0,0 +1,12 @@
+# meta-description: Base template for Node with default Godot cycle methods
+# meta-default: true
+
+extends _BASE_
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
diff --git a/modules/gdscript/editor_templates/Object/empty.gd b/modules/gdscript/editor_templates/Object/empty.gd
new file mode 100644
index 0000000000..f0427a8537
--- /dev/null
+++ b/modules/gdscript/editor_templates/Object/empty.gd
@@ -0,0 +1,3 @@
+# meta-default: true
+
+extends _BASE_
diff --git a/modules/gdscript/editor_templates/SCsub b/modules/gdscript/editor_templates/SCsub
new file mode 100644
index 0000000000..834d7e8409
--- /dev/null
+++ b/modules/gdscript/editor_templates/SCsub
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+Import("env")
+
+import build_template_gd
+
+env["BUILDERS"]["MakeGDTemplateBuilder"] = Builder(
+    action=env.Run(build_template_gd.make_templates, "Generating GDScript templates header."),
+    suffix=".h",
+    src_suffix=".gd",
+)
+
+# Template files
+templates_sources = Glob("*/*.gd")
+templates_sources.append(Glob("plugin.gd"))
+
+env.Alias("editor_template_gd", [env.MakeGDTemplateBuilder("templates.gen.h", templates_sources)])
diff --git a/modules/gdscript/editor_templates/build_template_gd.py b/modules/gdscript/editor_templates/build_template_gd.py
new file mode 100644
index 0000000000..e1da6ec25b
--- /dev/null
+++ b/modules/gdscript/editor_templates/build_template_gd.py
@@ -0,0 +1,102 @@
+"""Functions used to generate source files during build time
+All such functions are invoked in a subprocess on Windows to prevent build flakiness.
+"""
+
+import os
+from io import StringIO
+
+from platform_methods import subprocess_main
+
+
+def parse_template(inherits, source):
+    script_template = {
+        "inherits": inherits,
+        "name": "",
+        "description": "",
+        "default": "false",
+        "version": "",
+        "script": "",
+        "space-indent": "4",
+    }
+    meta_prefix = "# meta-"
+    meta = ["name", "description", "default", "version", "space-indent"]
+
+    with open(source) as f:
+        lines = f.readlines()
+        for line in lines:
+            if line.startswith(meta_prefix):
+                line = line[len(meta_prefix) :]
+                for m in meta:
+                    if line.startswith(m):
+                        strip_lenght = len(m) + 1
+                        script_template[m] = line[strip_lenght:].strip()
+            else:
+                script_template["script"] += line
+        if script_template["space-indent"] != "":
+            indent = " " * int(script_template["space-indent"])
+            script_template["script"] = script_template["script"].replace(indent, "_TS_")
+        if script_template["name"] == "":
+            script_template["name"] = os.path.splitext(os.path.basename(source))[0].replace("_", " ").title()
+        script_template["script"] = (
+            script_template["script"].replace('"', '\\"').lstrip().replace("\n", "\\n").replace("\t", "_TS_")
+        )
+        return (
+            '{ String("'
+            + script_template["inherits"]
+            + '"), String("'
+            + script_template["name"]
+            + '"),  String("'
+            + script_template["description"]
+            + '"),  String("'
+            + script_template["script"]
+            + '"), '
+            + script_template["default"]
+            + " },\n"
+        )
+
+
+def make_templates(target, source, env):
+    dst = target[0]
+    s = StringIO()
+    s.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n\n")
+    s.write("#ifndef _CODE_TEMPLATES_H\n")
+    s.write("#define _CODE_TEMPLATES_H\n\n")
+    s.write('#include "core/object/object.h"\n')
+    s.write('#include "core/object/script_language.h"\n')
+
+    plugin_template_filepath = ""
+    parsed_template_string = ""
+    number_of_templates = 0
+
+    for filepath in source:
+        node_name = os.path.basename(os.path.dirname(filepath))
+        if node_name == "editor_templates":
+            plugin_template_filepath = filepath
+            continue
+
+        parsed_template = parse_template(node_name, filepath)
+        parsed_template_string += "\t" + parsed_template
+        number_of_templates += 1
+
+    s.write("\nstatic const int TEMPLATES_ARRAY_SIZE = " + str(number_of_templates) + ";\n")
+    s.write(
+        "\nstatic const struct ScriptLanguage::ScriptTemplate PLUGIN_TEMPLATE = "
+        + parse_template("", plugin_template_filepath)[:-2]
+        + ";\n"
+    )
+    s.write("\nstatic const struct ScriptLanguage::ScriptTemplate TEMPLATES[" + str(number_of_templates) + "] = {\n")
+
+    s.write(parsed_template_string)
+
+    s.write("};\n")
+
+    s.write("\n#endif\n")
+
+    with open(dst, "w") as f:
+        f.write(s.getvalue())
+
+    s.close()
+
+
+if __name__ == "__main__":
+    subprocess_main(globals())
diff --git a/modules/gdscript/editor_templates/plugin.gd b/modules/gdscript/editor_templates/plugin.gd
new file mode 100644
index 0000000000..76420a19e7
--- /dev/null
+++ b/modules/gdscript/editor_templates/plugin.gd
@@ -0,0 +1,10 @@
+@tool
+extends EditorPlugin
+
+func _enter_tree():
+    # Initialization of the plugin goes here.
+    pass
+
+func _exit_tree():
+    # Clean-up of the plugin goes here.
+    pass
diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp
index 2e55506fd4..34b0307c72 100644
--- a/modules/gdscript/gdscript.cpp
+++ b/modules/gdscript/gdscript.cpp
@@ -49,6 +49,10 @@
 #include "tests/gdscript_test_runner.h"
 #endif
 
+#ifdef TOOLS_ENABLED
+#include "editor/editor_settings.h"
+#endif
+
 ///////////////////////////
 
 GDScriptNativeClass::GDScriptNativeClass(const StringName &p_name) {
@@ -809,10 +813,16 @@ Error GDScript::reload(bool p_keep_state) {
 		basedir = basedir.get_base_dir();
 	}
 
-	if (source.find("%BASE%") != -1) {
-		//loading a template, don't parse
+// Loading a template, don't parse
+#ifdef TOOLS_ENABLED
+	if (basedir.begins_with(EditorSettings::get_singleton()->get_project_script_templates_dir())) {
 		return OK;
 	}
+#else
+	if (source.find("_BASE_") != -1) {
+		return OK;
+	}
+#endif
 
 	{
 		String source_path = path;
diff --git a/modules/gdscript/gdscript.h b/modules/gdscript/gdscript.h
index 791f8a1431..b170f6007a 100644
--- a/modules/gdscript/gdscript.h
+++ b/modules/gdscript/gdscript.h
@@ -395,7 +395,7 @@ public:
 		_debug_call_stack_pos--;
 	}
 
-	virtual Vector<StackInfo> debug_get_current_stack_info() {
+	virtual Vector<StackInfo> debug_get_current_stack_info() override {
 		if (Thread::get_main_id() != Thread::get_caller_id()) {
 			return Vector<StackInfo>();
 		}
@@ -429,77 +429,77 @@ public:
 
 	_FORCE_INLINE_ static GDScriptLanguage *get_singleton() { return singleton; }
 
-	virtual String get_name() const;
+	virtual String get_name() const override;
 
 	/* LANGUAGE FUNCTIONS */
-	virtual void init();
-	virtual String get_type() const;
-	virtual String get_extension() const;
-	virtual Error execute_file(const String &p_path);
-	virtual void finish();
+	virtual void init() override;
+	virtual String get_type() const override;
+	virtual String get_extension() const override;
+	virtual Error execute_file(const String &p_path) override;
+	virtual void finish() override;
 
 	/* EDITOR FUNCTIONS */
-	virtual void get_reserved_words(List<String> *p_words) const;
-	virtual bool is_control_flow_keyword(String p_keywords) const;
-	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
-	virtual void get_string_delimiters(List<String> *p_delimiters) const;
-	virtual String _get_processed_template(const String &p_template, const String &p_base_class_name) const;
-	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
-	virtual bool is_using_templates();
-	virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script);
-	virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const;
-	virtual Script *create_script() const;
-	virtual bool has_named_classes() const;
-	virtual bool supports_builtin_mode() const;
-	virtual bool supports_documentation() const;
-	virtual bool can_inherit_from_file() const { return true; }
-	virtual int find_function(const String &p_function, const String &p_code) const;
-	virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const;
-	virtual Error complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptCodeCompletionOption> *r_options, bool &r_forced, String &r_call_hint);
+	virtual void get_reserved_words(List<String> *p_words) const override;
+	virtual bool is_control_flow_keyword(String p_keywords) const override;
+	virtual void get_comment_delimiters(List<String> *p_delimiters) const override;
+	virtual void get_string_delimiters(List<String> *p_delimiters) const override;
+	virtual bool is_using_templates() override;
+	virtual Ref<Script> make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const override;
+	virtual Ref<Script> get_plugin_template(const String &p_class_name, const String &p_base_class_name) const override;
+	virtual Vector<ScriptTemplate> get_built_in_template(StringName p_object) override;
+	virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const override;
+	virtual Script *create_script() const override;
+	virtual bool has_named_classes() const override;
+	virtual bool supports_builtin_mode() const override;
+	virtual bool supports_documentation() const override;
+	virtual bool can_inherit_from_file() const override { return true; }
+	virtual int find_function(const String &p_function, const String &p_code) const override;
+	virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const override;
+	virtual Error complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptCodeCompletionOption> *r_options, bool &r_forced, String &r_call_hint) override;
 #ifdef TOOLS_ENABLED
-	virtual Error lookup_code(const String &p_code, const String &p_symbol, const String &p_path, Object *p_owner, LookupResult &r_result);
+	virtual Error lookup_code(const String &p_code, const String &p_symbol, const String &p_path, Object *p_owner, LookupResult &r_result) override;
 #endif
 	virtual String _get_indentation() const;
-	virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const;
-	virtual void add_global_constant(const StringName &p_variable, const Variant &p_value);
-	virtual void add_named_global_constant(const StringName &p_name, const Variant &p_value);
-	virtual void remove_named_global_constant(const StringName &p_name);
+	virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const override;
+	virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) override;
+	virtual void add_named_global_constant(const StringName &p_name, const Variant &p_value) override;
+	virtual void remove_named_global_constant(const StringName &p_name) override;
 
 	/* DEBUGGER FUNCTIONS */
 
-	virtual String debug_get_error() const;
-	virtual int debug_get_stack_level_count() const;
-	virtual int debug_get_stack_level_line(int p_level) const;
-	virtual String debug_get_stack_level_function(int p_level) const;
-	virtual String debug_get_stack_level_source(int p_level) const;
-	virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
-	virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
-	virtual ScriptInstance *debug_get_stack_level_instance(int p_level);
-	virtual void debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
-	virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1);
+	virtual String debug_get_error() const override;
+	virtual int debug_get_stack_level_count() const override;
+	virtual int debug_get_stack_level_line(int p_level) const override;
+	virtual String debug_get_stack_level_function(int p_level) const override;
+	virtual String debug_get_stack_level_source(int p_level) const override;
+	virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
+	virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
+	virtual ScriptInstance *debug_get_stack_level_instance(int p_level) override;
+	virtual void debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
+	virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1) override;
 
-	virtual void reload_all_scripts();
-	virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload);
+	virtual void reload_all_scripts() override;
+	virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) override;
 
-	virtual void frame();
+	virtual void frame() override;
 
-	virtual void get_public_functions(List<MethodInfo> *p_functions) const;
-	virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const;
+	virtual void get_public_functions(List<MethodInfo> *p_functions) const override;
+	virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const override;
 
-	virtual void profiling_start();
-	virtual void profiling_stop();
+	virtual void profiling_start() override;
+	virtual void profiling_stop() override;
 
-	virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max);
-	virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max);
+	virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) override;
+	virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) override;
 
 	/* LOADER FUNCTIONS */
 
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
 
 	/* GLOBAL CLASSES */
 
-	virtual bool handles_global_class_type(const String &p_type) const;
-	virtual String get_global_class_name(const String &p_path, String *r_base_type = nullptr, String *r_icon_path = nullptr) const;
+	virtual bool handles_global_class_type(const String &p_type) const override;
+	virtual String get_global_class_name(const String &p_path, String *r_base_type = nullptr, String *r_icon_path = nullptr) const override;
 
 	void add_orphan_subclass(const String &p_qualified_name, const ObjectID &p_subclass);
 	Ref<GDScript> get_orphan_subclass(const String &p_qualified_name);
diff --git a/modules/gdscript/gdscript_editor.cpp b/modules/gdscript/gdscript_editor.cpp
index 71d2699c2e..cbf4c98951 100644
--- a/modules/gdscript/gdscript_editor.cpp
+++ b/modules/gdscript/gdscript_editor.cpp
@@ -38,6 +38,7 @@
 #include "gdscript_parser.h"
 #include "gdscript_tokenizer.h"
 #include "gdscript_utility_functions.h"
+#include "modules/gdscript/editor_templates/templates.gen.h"
 
 #ifdef TOOLS_ENABLED
 #include "core/config/project_settings.h"
@@ -55,68 +56,47 @@ void GDScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const {
 	p_delimiters->push_back("\"\"\" \"\"\"");
 }
 
-String GDScriptLanguage::_get_processed_template(const String &p_template, const String &p_base_class_name) const {
-	String processed_template = p_template;
-
-#ifdef TOOLS_ENABLED
-	if (EDITOR_DEF("text_editor/completion/add_type_hints", false)) {
-		processed_template = processed_template.replace("%INT_TYPE%", ": int");
-		processed_template = processed_template.replace("%STRING_TYPE%", ": String");
-		processed_template = processed_template.replace("%FLOAT_TYPE%", ": float");
-		processed_template = processed_template.replace("%VOID_RETURN%", " -> void");
-	} else {
-		processed_template = processed_template.replace("%INT_TYPE%", "");
-		processed_template = processed_template.replace("%STRING_TYPE%", "");
-		processed_template = processed_template.replace("%FLOAT_TYPE%", "");
-		processed_template = processed_template.replace("%VOID_RETURN%", "");
-	}
-#else
-	processed_template = processed_template.replace("%INT_TYPE%", "");
-	processed_template = processed_template.replace("%STRING_TYPE%", "");
-	processed_template = processed_template.replace("%FLOAT_TYPE%", "");
-	processed_template = processed_template.replace("%VOID_RETURN%", "");
-#endif
-
-	processed_template = processed_template.replace("%BASE%", p_base_class_name);
-	processed_template = processed_template.replace("%TS%", _get_indentation());
-
-	return processed_template;
-}
-
-Ref<Script> GDScriptLanguage::get_template(const String &p_class_name, const String &p_base_class_name) const {
-	String _template = "extends %BASE%\n"
-					   "\n"
-					   "\n"
-					   "# Declare member variables here. Examples:\n"
-					   "# var a%INT_TYPE% = 2\n"
-					   "# var b%STRING_TYPE% = \"text\"\n"
-					   "\n"
-					   "\n"
-					   "# Called when the node enters the scene tree for the first time.\n"
-					   "func _ready()%VOID_RETURN%:\n"
-					   "%TS%pass # Replace with function body.\n"
-					   "\n"
-					   "\n"
-					   "# Called every frame. 'delta' is the elapsed time since the previous frame.\n"
-					   "#func _process(delta%FLOAT_TYPE%)%VOID_RETURN%:\n"
-					   "#%TS%pass\n";
-
-	_template = _get_processed_template(_template, p_base_class_name);
-
-	Ref<GDScript> script;
-	script.instantiate();
-	script->set_source_code(_template);
-
-	return script;
-}
-
 bool GDScriptLanguage::is_using_templates() {
 	return true;
 }
 
-void GDScriptLanguage::make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {
-	String _template = _get_processed_template(p_script->get_source_code(), p_base_class_name);
-	p_script->set_source_code(_template);
+Ref<Script> GDScriptLanguage::make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const {
+	Ref<GDScript> script;
+	script.instantiate();
+	String processed_template = p_template;
+#ifdef TOOLS_ENABLED
+	if (!EDITOR_DEF("text_editor/completion/add_type_hints", false)) {
+		processed_template = processed_template.replace(": int", "")
+									 .replace(": String", "")
+									 .replace(": float", "")
+									 .replace(" → void", "");
+	}
+#else
+	processed_template = processed_template.replace(": int", "")
+								 .replace(": String", "")
+								 .replace(": float", "")
+								 .replace(" → void", "");
+#endif
+
+	processed_template = processed_template.replace("_BASE_", p_base_class_name)
+								 .replace("_CLASS_", p_class_name)
+								 .replace("_TS_", _get_indentation());
+	script->set_source_code(processed_template);
+	return script;
+}
+
+Ref<Script> GDScriptLanguage::get_plugin_template(const String &p_class_name, const String &p_base_class_name) const {
+	return make_template(PLUGIN_TEMPLATE.content, p_class_name, p_base_class_name);
+}
+
+Vector<ScriptLanguage::ScriptTemplate> GDScriptLanguage::get_built_in_template(StringName p_object) {
+	Vector<ScriptLanguage::ScriptTemplate> templates;
+	for (int i = 0; i < TEMPLATES_ARRAY_SIZE; i++) {
+		if (TEMPLATES[i].inherit == p_object) {
+			templates.append(TEMPLATES[i]);
+		}
+	}
+	return templates;
 }
 
 static void get_function_names_recursively(const GDScriptParser::ClassNode *p_class, const String &p_prefix, Map<int, String> &r_funcs) {
@@ -236,7 +216,7 @@ Script *GDScriptLanguage::create_script() const {
 /* DEBUGGER FUNCTIONS */
 
 bool GDScriptLanguage::debug_break_parse(const String &p_file, int p_line, const String &p_error) {
-	//break because of parse error
+	// break because of parse error
 
 	if (EngineDebugger::is_active() && Thread::get_caller_id() == Thread::get_main_id()) {
 		_debug_parse_err_line = p_line;
@@ -1383,8 +1363,8 @@ static bool _guess_expression_type(GDScriptParser::CompletionContext &p_context,
 														}
 
 														if (!script.ends_with(".gd")) {
-															//not a script, try find the script anyway,
-															//may have some success
+															// not a script, try find the script anyway,
+															// may have some success
 															script = script.get_basename() + ".gd";
 														}
 
@@ -2754,7 +2734,7 @@ void GDScriptLanguage::auto_indent_code(String &p_code, int p_from_line, int p_t
 
 		String st = l.substr(tc, l.length()).strip_edges();
 		if (st == "" || st.begins_with("#")) {
-			continue; //ignore!
+			continue; // ignore!
 		}
 
 		int ilevel = 0;
@@ -2770,7 +2750,7 @@ void GDScriptLanguage::auto_indent_code(String &p_code, int p_from_line, int p_t
 			}
 
 			if (indent_stack.size() && indent_stack.back()->get() != tc) {
-				indent_stack.push_back(tc); //this is not right but gets the job done
+				indent_stack.push_back(tc); // this is not right but gets the job done
 			}
 		}
 
diff --git a/modules/mono/SCsub b/modules/mono/SCsub
index 95c959235c..db35e804aa 100644
--- a/modules/mono/SCsub
+++ b/modules/mono/SCsub
@@ -63,3 +63,5 @@ elif env["platform"] == "android":
 
 if env["tools"]:
     env_mono.add_source_files(env.modules_sources, "editor/*.cpp")
+
+SConscript("editor_templates/SCsub")
diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
index 6970349414..d4c54079ef 100644
--- a/modules/mono/csharp_script.cpp
+++ b/modules/mono/csharp_script.cpp
@@ -56,6 +56,7 @@
 
 #include "editor/editor_internal_calls.h"
 #include "godotsharp_dirs.h"
+#include "modules/mono/editor_templates/templates.gen.h"
 #include "mono_gd/gd_mono_cache.h"
 #include "mono_gd/gd_mono_class.h"
 #include "mono_gd/gd_mono_marshal.h"
@@ -351,57 +352,37 @@ static String get_base_class_name(const String &p_base_class_name, const String
 	return base_class;
 }
 
-Ref<Script> CSharpLanguage::get_template(const String &p_class_name, const String &p_base_class_name) const {
-	String script_template = "using " BINDINGS_NAMESPACE ";\n"
-							 "using System;\n"
-							 "\n"
-							 "public partial class %CLASS% : %BASE%\n"
-							 "{\n"
-							 "    // Declare member variables here. Examples:\n"
-							 "    // private int a = 2;\n"
-							 "    // private string b = \"text\";\n"
-							 "\n"
-							 "    // Called when the node enters the scene tree for the first time.\n"
-							 "    public override void _Ready()\n"
-							 "    {\n"
-							 "        \n"
-							 "    }\n"
-							 "\n"
-							 "//  // Called every frame. 'delta' is the elapsed time since the previous frame.\n"
-							 "//  public override void _Process(float delta)\n"
-							 "//  {\n"
-							 "//      \n"
-							 "//  }\n"
-							 "}\n";
-
-	// Replaces all spaces in p_class_name with underscores to prevent
-	// invalid C# Script templates from being generated when the object name
-	// has spaces in it.
-	String class_name_no_spaces = p_class_name.replace(" ", "_");
-	String base_class_name = get_base_class_name(p_base_class_name, class_name_no_spaces);
-	script_template = script_template.replace("%BASE%", base_class_name)
-							  .replace("%CLASS%", class_name_no_spaces);
-
-	Ref<CSharpScript> script;
-	script.instantiate();
-	script->set_source_code(script_template);
-	script->set_name(class_name_no_spaces);
-
-	return script;
-}
-
 bool CSharpLanguage::is_using_templates() {
 	return true;
 }
 
-void CSharpLanguage::make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {
-	String src = p_script->get_source_code();
+Ref<Script> CSharpLanguage::make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const {
+	Ref<CSharpScript> script;
+	script.instantiate();
+
 	String class_name_no_spaces = p_class_name.replace(" ", "_");
 	String base_class_name = get_base_class_name(p_base_class_name, class_name_no_spaces);
-	src = src.replace("%BASE%", base_class_name)
-				  .replace("%CLASS%", class_name_no_spaces)
-				  .replace("%TS%", _get_indentation());
-	p_script->set_source_code(src);
+	String processed_template = p_template;
+	processed_template = processed_template.replace("_BINDINGS_NAMESPACE_", BINDINGS_NAMESPACE)
+								 .replace("_BASE_", base_class_name)
+								 .replace("_CLASS_", class_name_no_spaces)
+								 .replace("_TS_", _get_indentation());
+	script->set_source_code(processed_template);
+	return script;
+}
+
+Ref<Script> CSharpLanguage::get_plugin_template(const String &p_class_name, const String &p_base_class_name) const {
+	return make_template(PLUGIN_TEMPLATE.content, p_class_name, p_base_class_name);
+}
+
+Vector<ScriptLanguage::ScriptTemplate> CSharpLanguage::get_built_in_template(StringName p_object) {
+	Vector<ScriptLanguage::ScriptTemplate> templates;
+	for (int i = 0; i < TEMPLATES_ARRAY_SIZE; i++) {
+		if (TEMPLATES[i].inherit == p_object) {
+			templates.append(TEMPLATES[i]);
+		}
+	}
+	return templates;
 }
 
 String CSharpLanguage::validate_path(const String &p_path) const {
diff --git a/modules/mono/csharp_script.h b/modules/mono/csharp_script.h
index c998d9c1e4..a9a94c49b6 100644
--- a/modules/mono/csharp_script.h
+++ b/modules/mono/csharp_script.h
@@ -463,9 +463,10 @@ public:
 	bool is_control_flow_keyword(String p_keyword) const override;
 	void get_comment_delimiters(List<String> *p_delimiters) const override;
 	void get_string_delimiters(List<String> *p_delimiters) const override;
-	Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const override;
 	bool is_using_templates() override;
-	void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) override;
+	virtual Ref<Script> make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const override;
+	virtual Ref<Script> get_plugin_template(const String &p_class_name, const String &p_base_class_name) const override;
+	virtual Vector<ScriptTemplate> get_built_in_template(StringName p_object) override;
 	/* TODO */ bool validate(const String &p_script, const String &p_path, List<String> *r_functions,
 			List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const override {
 		return true;
diff --git a/modules/mono/editor_templates/CharacterBody2D/basic_movement.cs b/modules/mono/editor_templates/CharacterBody2D/basic_movement.cs
new file mode 100644
index 0000000000..3474468719
--- /dev/null
+++ b/modules/mono/editor_templates/CharacterBody2D/basic_movement.cs
@@ -0,0 +1,41 @@
+// meta-description: Classic movement for gravity games (platformer, ...)
+// meta-default: true
+
+using _BINDINGS_NAMESPACE_;
+using System;
+
+public partial class _CLASS_ : _BASE_
+{
+    public const int Speed = 1000;
+    public const int JumpForce = -1000;
+
+    // Get the gravity from the project settings to be synced with RigidDynamicBody nodes.
+    public float gravity = (float)ProjectSettings.GetSetting("physics/2d/default_gravity");
+
+    public override void _PhysicsProcess(float delta)
+    {
+        Vector2 motionVelocity = MotionVelocity;
+
+        // Add the gravity.
+        if (!IsOnFloor())
+            motionVelocity.y += gravity * delta;
+
+        // Handle Jump.
+        if (Input.IsActionJustPressed("ui_accept") && IsOnFloor())
+            motionVelocity.y = JumpForce;
+
+        // Get the input direction and handle the movement/deceleration.
+        Vector2 direction = Input.GetVector("ui_left", "ui_right", "ui_up", "ui_down");
+        if (direction != Vector2.Zero)
+        {
+            motionVelocity.x = direction.x * Speed;
+        }
+        else
+        {
+            motionVelocity.x = Mathf.MoveToward(MotionVelocity.x, 0, Speed);
+        }
+
+        MotionVelocity = motionVelocity;
+        MoveAndSlide();
+    }
+}
diff --git a/modules/mono/editor_templates/CharacterBody3D/basic_movement.cs b/modules/mono/editor_templates/CharacterBody3D/basic_movement.cs
new file mode 100644
index 0000000000..18525e7124
--- /dev/null
+++ b/modules/mono/editor_templates/CharacterBody3D/basic_movement.cs
@@ -0,0 +1,44 @@
+// meta-description: Classic movement for gravity games (FPS, TPS, ...)
+// meta-default: true
+
+using _BINDINGS_NAMESPACE_;
+using System;
+
+public partial class _CLASS_ : _BASE_
+{
+    public const int Speed = 8;
+    public const int JumpForce = 4;
+
+    // Get the gravity from the project settings to be synced with RigidDynamicBody nodes.
+    public float gravity = (float)ProjectSettings.GetSetting("physics/3d/default_gravity");
+
+    public override void _PhysicsProcess(float delta)
+    {
+        Vector3 motionVelocity = MotionVelocity;
+
+        // Add the gravity.
+        if (!IsOnFloor())
+            motionVelocity.y -= gravity * delta;
+
+        // Handle Jump.
+        if (Input.IsActionJustPressed("ui_accept") && IsOnFloor())
+             motionVelocity.y = JumpForce;
+
+        // Get the input direction and handle the movement/deceleration.
+        Vector2 inputDir = Input.GetVector("ui_left", "ui_right", "ui_up", "ui_down");
+        Vector3 direction = Transform.basis.Xform(new Vector3(inputDir.x, 0, inputDir.y));
+        if (direction != Vector3.Zero)
+        {
+            motionVelocity.x = direction.x * Speed;
+            motionVelocity.z = direction.z * Speed;
+        }
+        else
+        {
+            motionVelocity.x = Mathf.MoveToward(MotionVelocity.x, 0, Speed);
+            motionVelocity.z = Mathf.MoveToward(MotionVelocity.z, 0, Speed);
+        }
+
+        MotionVelocity = motionVelocity;
+        MoveAndSlide();
+    }
+}
diff --git a/modules/mono/editor_templates/Node/default.cs b/modules/mono/editor_templates/Node/default.cs
new file mode 100644
index 0000000000..f76eb6cc5e
--- /dev/null
+++ b/modules/mono/editor_templates/Node/default.cs
@@ -0,0 +1,21 @@
+// meta-description: Base template for Node with default Godot cycle methods
+// meta-default: true
+
+using _BINDINGS_NAMESPACE_;
+using System;
+
+public partial class _CLASS_ : _BASE_
+{
+
+    // Called when the node enters the scene tree for the first time.
+    public override void _Ready()
+    {
+
+    }
+
+    // Called every frame. 'delta' is the elapsed time since the previous frame.
+    public override void _Process(float delta)
+    {
+
+    }
+}
diff --git a/modules/mono/editor_templates/Object/empty.cs b/modules/mono/editor_templates/Object/empty.cs
new file mode 100644
index 0000000000..1e8af3af6c
--- /dev/null
+++ b/modules/mono/editor_templates/Object/empty.cs
@@ -0,0 +1,9 @@
+// meta-default: true
+
+using _BINDINGS_NAMESPACE_;
+using System;
+
+public partial class _CLASS_ : _BASE_
+{
+
+}
diff --git a/modules/mono/editor_templates/SCsub b/modules/mono/editor_templates/SCsub
new file mode 100644
index 0000000000..0e5c745253
--- /dev/null
+++ b/modules/mono/editor_templates/SCsub
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+Import("env")
+
+import build_template_cs
+
+env["BUILDERS"]["MakeCSharpTemplateBuilder"] = Builder(
+    action=env.Run(build_template_cs.make_templates, "Generating C# templates header."),
+    suffix=".h",
+    src_suffix=".cs",
+)
+
+# Template files
+templates_sources = Glob("*/*.cs")
+templates_sources.append(Glob("plugin.cs"))
+
+env.Alias("editor_template_cs", [env.MakeCSharpTemplateBuilder("templates.gen.h", templates_sources)])
diff --git a/modules/mono/editor_templates/build_template_cs.py b/modules/mono/editor_templates/build_template_cs.py
new file mode 100644
index 0000000000..20ee427956
--- /dev/null
+++ b/modules/mono/editor_templates/build_template_cs.py
@@ -0,0 +1,102 @@
+"""Functions used to generate source files during build time
+All such functions are invoked in a subprocess on Windows to prevent build flakiness.
+"""
+
+import os
+from io import StringIO
+
+from platform_methods import subprocess_main
+
+
+def parse_template(inherits, source):
+    script_template = {
+        "inherits": inherits,
+        "name": "",
+        "description": "",
+        "default": "false",
+        "version": "",
+        "script": "",
+        "space-indent": "4",
+    }
+    meta_prefix = "// meta-"
+    meta = ["name", "description", "default", "version", "space-indent"]
+
+    with open(source) as f:
+        lines = f.readlines()
+        for line in lines:
+            if line.startswith(meta_prefix):
+                line = line[len(meta_prefix) :]
+                for m in meta:
+                    if line.startswith(m):
+                        strip_lenght = len(m) + 1
+                        script_template[m] = line[strip_lenght:].strip()
+            else:
+                script_template["script"] += line
+        if script_template["space-indent"] != "":
+            indent = " " * int(script_template["space-indent"])
+            script_template["script"] = script_template["script"].replace(indent, "_TS_")
+        if script_template["name"] == "":
+            script_template["name"] = os.path.splitext(os.path.basename(source))[0].replace("_", " ").title()
+        script_template["script"] = (
+            script_template["script"].replace('"', '\\"').lstrip().replace("\n", "\\n").replace("\t", "_TS_")
+        )
+        return (
+            '{ String("'
+            + script_template["inherits"]
+            + '"), String("'
+            + script_template["name"]
+            + '"),  String("'
+            + script_template["description"]
+            + '"),  String("'
+            + script_template["script"]
+            + '"), '
+            + script_template["default"]
+            + " },\n"
+        )
+
+
+def make_templates(target, source, env):
+    dst = target[0]
+    s = StringIO()
+    s.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n\n")
+    s.write("#ifndef _CODE_TEMPLATES_H\n")
+    s.write("#define _CODE_TEMPLATES_H\n\n")
+    s.write('#include "core/object/object.h"\n')
+    s.write('#include "core/object/script_language.h"\n')
+
+    plugin_template_filepath = ""
+    parsed_template_string = ""
+    number_of_templates = 0
+
+    for filepath in source:
+        node_name = os.path.basename(os.path.dirname(filepath))
+        if node_name == "editor_templates":
+            plugin_template_filepath = filepath
+            continue
+
+        parsed_template = parse_template(node_name, filepath)
+        parsed_template_string += "\t" + parsed_template
+        number_of_templates += 1
+
+    s.write("\nstatic const int TEMPLATES_ARRAY_SIZE = " + str(number_of_templates) + ";\n")
+    s.write(
+        "\nstatic const struct ScriptLanguage::ScriptTemplate PLUGIN_TEMPLATE = "
+        + parse_template("", plugin_template_filepath)[:-2]
+        + ";\n"
+    )
+    s.write("\nstatic const struct ScriptLanguage::ScriptTemplate TEMPLATES[" + str(number_of_templates) + "] = {\n")
+
+    s.write(parsed_template_string)
+
+    s.write("};\n")
+
+    s.write("\n#endif\n")
+
+    with open(dst, "w") as f:
+        f.write(s.getvalue())
+
+    s.close()
+
+
+if __name__ == "__main__":
+    subprocess_main(globals())
diff --git a/modules/mono/editor_templates/plugin.cs b/modules/mono/editor_templates/plugin.cs
new file mode 100644
index 0000000000..a7fcd8ad9d
--- /dev/null
+++ b/modules/mono/editor_templates/plugin.cs
@@ -0,0 +1,18 @@
+#if TOOLS
+using _BINDINGS_NAMESPACE_;
+using System;
+
+[Tool]
+public partial class _CLASS_ : _BASE_
+{
+    public override void _EnterTree()
+    {
+        // Initialization of the plugin goes here.
+    }
+
+    public override void _ExitTree()
+    {
+        // Clean-up of the plugin goes here.
+    }
+}
+#endif
diff --git a/modules/visual_script/visual_script.cpp b/modules/visual_script/visual_script.cpp
index 01fc7cfca0..a61bf78f26 100644
--- a/modules/visual_script/visual_script.cpp
+++ b/modules/visual_script/visual_script.cpp
@@ -2241,22 +2241,17 @@ void VisualScriptLanguage::get_comment_delimiters(List<String> *p_delimiters) co
 void VisualScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const {
 }
 
-Ref<Script> VisualScriptLanguage::get_template(const String &p_class_name, const String &p_base_class_name) const {
+bool VisualScriptLanguage::is_using_templates() {
+	return false;
+}
+
+Ref<Script> VisualScriptLanguage::make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const {
 	Ref<VisualScript> script;
 	script.instantiate();
 	script->set_instance_base_type(p_base_class_name);
 	return script;
 }
 
-bool VisualScriptLanguage::is_using_templates() {
-	return true;
-}
-
-void VisualScriptLanguage::make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {
-	Ref<VisualScript> script = p_script;
-	script->set_instance_base_type(p_base_class_name);
-}
-
 bool VisualScriptLanguage::validate(const String &p_script, const String &p_path, List<String> *r_functions, List<ScriptLanguage::ScriptError> *r_errors, List<ScriptLanguage::Warning> *r_warnings, Set<int> *r_safe_lines) const {
 	return false;
 }
diff --git a/modules/visual_script/visual_script.h b/modules/visual_script/visual_script.h
index 39cef8f68b..e321ef236d 100644
--- a/modules/visual_script/visual_script.h
+++ b/modules/visual_script/visual_script.h
@@ -554,57 +554,56 @@ public:
 
 	//////////////////////////////////////
 
-	virtual String get_name() const;
+	virtual String get_name() const override;
 
 	/* LANGUAGE FUNCTIONS */
-	virtual void init();
-	virtual String get_type() const;
-	virtual String get_extension() const;
-	virtual Error execute_file(const String &p_path);
-	virtual void finish();
+	virtual void init() override;
+	virtual String get_type() const override;
+	virtual String get_extension() const override;
+	virtual Error execute_file(const String &p_path) override;
+	virtual void finish() override;
 
 	/* EDITOR FUNCTIONS */
-	virtual void get_reserved_words(List<String> *p_words) const;
-	virtual bool is_control_flow_keyword(String p_keyword) const;
-	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
-	virtual void get_string_delimiters(List<String> *p_delimiters) const;
-	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
-	virtual bool is_using_templates();
-	virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script);
-	virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const;
-	virtual Script *create_script() const;
-	virtual bool has_named_classes() const;
-	virtual bool supports_builtin_mode() const;
-	virtual int find_function(const String &p_function, const String &p_code) const;
-	virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const;
-	virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const;
-	virtual void add_global_constant(const StringName &p_variable, const Variant &p_value);
+	virtual void get_reserved_words(List<String> *p_words) const override;
+	virtual bool is_control_flow_keyword(String p_keyword) const override;
+	virtual void get_comment_delimiters(List<String> *p_delimiters) const override;
+	virtual void get_string_delimiters(List<String> *p_delimiters) const override;
+	virtual bool is_using_templates() override;
+	virtual Ref<Script> make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const override;
+	virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const override;
+	virtual Script *create_script() const override;
+	virtual bool has_named_classes() const override;
+	virtual bool supports_builtin_mode() const override;
+	virtual int find_function(const String &p_function, const String &p_code) const override;
+	virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const override;
+	virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const override;
+	virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) override;
 
 	/* DEBUGGER FUNCTIONS */
 
-	virtual String debug_get_error() const;
-	virtual int debug_get_stack_level_count() const;
-	virtual int debug_get_stack_level_line(int p_level) const;
-	virtual String debug_get_stack_level_function(int p_level) const;
-	virtual String debug_get_stack_level_source(int p_level) const;
-	virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
-	virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
-	virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
-	virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1);
+	virtual String debug_get_error() const override;
+	virtual int debug_get_stack_level_count() const override;
+	virtual int debug_get_stack_level_line(int p_level) const override;
+	virtual String debug_get_stack_level_function(int p_level) const override;
+	virtual String debug_get_stack_level_source(int p_level) const override;
+	virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
+	virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
+	virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
+	virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1) override;
 
-	virtual void reload_all_scripts();
-	virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload);
+	virtual void reload_all_scripts() override;
+	virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) override;
 	/* LOADER FUNCTIONS */
 
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual void get_public_functions(List<MethodInfo> *p_functions) const;
-	virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual void get_public_functions(List<MethodInfo> *p_functions) const override;
+	virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const override;
 
-	virtual void profiling_start();
-	virtual void profiling_stop();
+	virtual void profiling_start() override;
+	virtual void profiling_stop() override;
 
-	virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max);
-	virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max);
+	virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) override;
+	virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) override;
 
 	void add_register_func(const String &p_name, VisualScriptNodeRegisterFunc p_func);
 	void remove_register_func(const String &p_name);