Remove old path remaps system

Unused in public repositories, deprecated for over 6 years, and the
replacement system is well-tested by now.

core/io/resource_loader.cpp

@@ -1274,44 +1274,39 @@ String ResourceLoader::_path_remap(const String &p_path, bool *r_translation_rem
 		}
 	}
 
-	if (path_remaps.has(new_path)) {
-		new_path = path_remaps[new_path];
-	} else {
-		// Try file remap.
-		// Usually, there's no remap file and FileAccess::exists() is faster than FileAccess::open().
-		new_path = ResourceUID::ensure_path(new_path);
-		if (FileAccess::exists(new_path + ".remap")) {
-			Error err;
-			Ref<FileAccess> f = FileAccess::open(new_path + ".remap", FileAccess::READ, &err);
-			if (f.is_valid()) {
-				VariantParser::StreamFile stream;
-				stream.f = f;
-
-				String assign;
-				Variant value;
-				VariantParser::Tag next_tag;
-
-				int lines = 0;
-				String error_text;
-				while (true) {
-					assign = Variant();
-					next_tag.fields.clear();
-					next_tag.name = String();
-
-					err = VariantParser::parse_tag_assign_eof(&stream, lines, error_text, next_tag, assign, value, nullptr, true);
-					if (err == ERR_FILE_EOF) {
-						break;
-					} else if (err != OK) {
-						ERR_PRINT(vformat("Parse error: %s.remap:%d error: %s.", p_path, lines, error_text));
-						break;
-					}
+	// Usually, there's no remap file and FileAccess::exists() is faster than FileAccess::open().
+	new_path = ResourceUID::ensure_path(new_path);
+	if (FileAccess::exists(new_path + ".remap")) {
+		Error err;
+		Ref<FileAccess> f = FileAccess::open(new_path + ".remap", FileAccess::READ, &err);
+		if (f.is_valid()) {
+			VariantParser::StreamFile stream;
+			stream.f = f;
+
+			String assign;
+			Variant value;
+			VariantParser::Tag next_tag;
+
+			int lines = 0;
+			String error_text;
+			while (true) {
+				assign = Variant();
+				next_tag.fields.clear();
+				next_tag.name = String();
+
+				err = VariantParser::parse_tag_assign_eof(&stream, lines, error_text, next_tag, assign, value, nullptr, true);
+				if (err == ERR_FILE_EOF) {
+					break;
+				} else if (err != OK) {
+					ERR_PRINT(vformat("Parse error: %s.remap:%d error: %s.", p_path, lines, error_text));
+					break;
+				}
 
-					if (assign == "path") {
-						new_path = value;
-						break;
-					} else if (next_tag.name != "remap") {
-						break;
-					}
+				if (assign == "path") {
+					new_path = value;
+					break;
+				} else if (next_tag.name != "remap") {
+					break;
 				}
 			}
 		}
@@ -1419,25 +1414,6 @@ void ResourceLoader::clear_thread_load_tasks() {
 	cleaning_tasks = false;
 }
 
-void ResourceLoader::load_path_remaps() {
-	if (!ProjectSettings::get_singleton()->has_setting("path_remap/remapped_paths")) {
-		return;
-	}
-
-	Vector<String> remaps = GLOBAL_GET("path_remap/remapped_paths");
-	int rc = remaps.size();
-	ERR_FAIL_COND(rc & 1); //must be even
-	const String *r = remaps.ptr();
-
-	for (int i = 0; i < rc; i += 2) {
-		path_remaps[r[i]] = r[i + 1];
-	}
-}
-
-void ResourceLoader::clear_path_remaps() {
-	path_remaps.clear();
-}
-
 void ResourceLoader::set_load_callback(ResourceLoadedCallback p_callback) {
 	_loaded_callback = p_callback;
 }
@@ -1602,6 +1578,5 @@ HashMap<String, ResourceLoader::LoadToken *> ResourceLoader::user_load_tokens;
 
 SelfList<Resource>::List ResourceLoader::remapped_list;
 HashMap<String, Vector<String>> ResourceLoader::translation_remaps;
-HashMap<String, String> ResourceLoader::path_remaps;
 
 ResourceLoaderImport ResourceLoader::import = nullptr;

core/io/resource_loader.h

@@ -159,7 +159,6 @@ private:
 	static bool abort_on_missing_resource;
 	static bool create_missing_resources_if_class_unavailable;
 	static HashMap<String, Vector<String>> translation_remaps;
-	static HashMap<String, String> path_remaps;
 
 	static String _path_remap(const String &p_path, bool *r_translation_remapped = nullptr);
 	friend class Resource;
@@ -289,9 +288,6 @@ public:
 	static String path_remap(const String &p_path);
 	static String import_remap(const String &p_path);
 
-	static void load_path_remaps();
-	static void clear_path_remaps();
-
 	static void reload_translation_remaps();
 	static void load_translation_remaps();
 	static void clear_translation_remaps();

editor/editor_node.cpp

@@ -7142,7 +7142,6 @@ EditorNode::EditorNode() {
 
 	SceneState::set_disable_placeholders(true);
 	ResourceLoader::clear_translation_remaps(); // Using no remaps if in editor.
-	ResourceLoader::clear_path_remaps();
 	ResourceLoader::set_create_missing_resources_if_class_unavailable(true);
 
 	EditorPropertyNameProcessor *epnp = memnew(EditorPropertyNameProcessor);

editor/export/editor_export_platform.cpp

@@ -1542,28 +1542,22 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
 		custom_list.append_array(export_plugins[i]->_get_export_features(Ref<EditorExportPlatform>(this), p_debug));
 	}
 
-	ProjectSettings::CustomMap custom_map = get_custom_project_settings(p_preset);
 	if (path_remaps.size()) {
-		if (true) { //new remap mode, use always as it's friendlier with multiple .pck exports
-			for (int i = 0; i < path_remaps.size(); i += 2) {
-				const String &from = path_remaps[i];
-				const String &to = path_remaps[i + 1];
-				String remap_file = "[remap]\n\npath=\"" + to.c_escape() + "\"\n";
-				CharString utf8 = remap_file.utf8();
-				Vector<uint8_t> new_file;
-				new_file.resize(utf8.length());
-				for (int j = 0; j < utf8.length(); j++) {
-					new_file.write[j] = utf8[j];
-				}
+		for (int i = 0; i < path_remaps.size(); i += 2) {
+			const String &from = path_remaps[i];
+			const String &to = path_remaps[i + 1];
+			String remap_file = "[remap]\n\npath=\"" + to.c_escape() + "\"\n";
+			CharString utf8 = remap_file.utf8();
+			Vector<uint8_t> new_file;
+			new_file.resize(utf8.length());
+			for (int j = 0; j < utf8.length(); j++) {
+				new_file.write[j] = utf8[j];
+			}
 
-				err = save_proxy.save_file(p_udata, from + ".remap", new_file, idx, total, enc_in_filters, enc_ex_filters, key, seed);
-				if (err != OK) {
-					return err;
-				}
+			err = save_proxy.save_file(p_udata, from + ".remap", new_file, idx, total, enc_in_filters, enc_ex_filters, key, seed);
+			if (err != OK) {
+				return err;
 			}
-		} else {
-			//old remap mode, will still work, but it's unused because it's not multiple pck export friendly
-			custom_map["path_remap/remapped_paths"] = path_remaps;
 		}
 	}
 
@@ -1595,6 +1589,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
 
 	String config_file = "project.binary";
 	String engine_cfb = EditorPaths::get_singleton()->get_temp_dir().path_join("tmp" + config_file);
+	ProjectSettings::CustomMap custom_map = get_custom_project_settings(p_preset);
 	ProjectSettings::get_singleton()->save_custom(engine_cfb, custom_map, custom_list);
 	Vector<uint8_t> data = FileAccess::get_file_as_bytes(engine_cfb);
 	DirAccess::remove_file_or_error(engine_cfb);

main/main.cpp

@@ -759,8 +759,6 @@ Error Main::test_setup() {
 	translation_server->load_translations();
 	ResourceLoader::load_translation_remaps(); //load remaps for resources
 
-	ResourceLoader::load_path_remaps();
-
 	// Initialize ThemeDB early so that scene types can register their theme items.
 	// Default theme will be initialized later, after modules and ScriptServer are ready.
 	initialize_theme_db();
@@ -3475,8 +3473,6 @@ Error Main::setup2(bool p_show_boot_logo) {
 		translation_server->load_translations();
 		ResourceLoader::load_translation_remaps(); //load remaps for resources
 
-		ResourceLoader::load_path_remaps();
-
 		OS::get_singleton()->benchmark_end_measure("Startup", "Translations and Remaps");
 	}
 
@@ -4915,7 +4911,6 @@ void Main::cleanup(bool p_force) {
 	OS::get_singleton()->_local_clipboard = "";
 
 	ResourceLoader::clear_translation_remaps();
-	ResourceLoader::clear_path_remaps();
 
 	WorkerThreadPool::get_singleton()->exit_languages_threads();