Fix FileSystem dock won't show any file folders (v2)

(cherry picked from commit 1b0c5cb)

core/io/file_access.cpp

@@ -61,11 +61,9 @@ bool FileAccess::exists(const String &p_name) {
 		return true;
 	}
 
-	Ref<FileAccess> f = open(p_name, READ);
-	if (f.is_null()) {
-		return false;
-	}
-	return true;
+	// Using file_exists because it's faster than trying to open the file.
+	Ref<FileAccess> ret = create_for_path(p_name);
+	return ret->file_exists(p_name);
 }
 
 void FileAccess::_set_access_type(AccessType p_access) {

core/io/resource_importer.cpp

@@ -366,6 +366,23 @@ ResourceUID::ID ResourceFormatImporter::get_resource_uid(const String &p_path) c
 	return pat.uid;
 }
 
+Error ResourceFormatImporter::get_resource_import_info(const String &p_path, StringName &r_type, ResourceUID::ID &r_uid, String &r_import_group_file) const {
+	PathAndType pat;
+	Error err = _get_path_and_type(p_path, pat);
+
+	if (err == OK) {
+		r_type = pat.type;
+		r_uid = pat.uid;
+		r_import_group_file = pat.group_file;
+	} else {
+		r_type = "";
+		r_uid = ResourceUID::INVALID_ID;
+		r_import_group_file = "";
+	}
+
+	return err;
+}
+
 Variant ResourceFormatImporter::get_resource_metadata(const String &p_path) const {
 	PathAndType pat;
 	Error err = _get_path_and_type(p_path, pat);

core/io/resource_importer.h

@@ -95,6 +95,7 @@ class ResourceFormatImporter : public ResourceFormatLoader {
 	String get_import_settings_hash() const;
 
 	String get_import_base_path(const String &p_for_file) const;
+	Error get_resource_import_info(const String &p_path, StringName &r_type, ResourceUID::ID &r_uid, String &r_import_group_file) const;
 	ResourceFormatImporter();
 };
 

core/io/resource_loader.cpp

@@ -1203,36 +1203,39 @@ String ResourceLoader::_path_remap(const String &p_path, bool *r_translation_rem
 		new_path = path_remaps[new_path];
 	} else {
 		// Try file 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("Parse error: " + p_path + ".remap:" + itos(lines) + " error: " + error_text + ".");
-					break;
-				}
+		// Usually, there's no remap file and FileAccess::exists() is faster than FileAccess::open().
+		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("Parse error: " + p_path + ".remap:" + itos(lines) + " error: " + 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;
+					}
 				}
 			}
 		}

editor/editor_file_system.cpp

@@ -230,15 +230,18 @@ EditorFileSystem::ScannedDirectory::~ScannedDirectory() {
 }
 
 void EditorFileSystem::_first_scan_filesystem() {
+	EditorProgress ep = EditorProgress("first_scan_filesystem", TTR("Project initialization"), 5);
 	Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_RESOURCES);
 	first_scan_root_dir = memnew(ScannedDirectory);
 	first_scan_root_dir->full_path = "res://";
 	HashSet<String> existing_class_names;
 
+	ep.step(TTR("Scanning file structure..."), 0, true);
 	nb_files_total = _scan_new_dir(first_scan_root_dir, d);
 
 	// This loads the global class names from the scripts and ensures that even if the
 	// global_script_class_cache.cfg was missing or invalid, the global class names are valid in ScriptServer.
+	ep.step(TTR("Loading global class names..."), 1, true);
 	_first_scan_process_scripts(first_scan_root_dir, existing_class_names);
 
 	// Removing invalid global class to prevent having invalid paths in ScriptServer.
@@ -247,8 +250,13 @@ void EditorFileSystem::_first_scan_filesystem() {
 	// Now that all the global class names should be loaded, create autoloads and plugins.
 	// This is done after loading the global class names because autoloads and plugins can use
 	// global class names.
+	ep.step(TTR("Creating autoload scripts..."), 3, true);
 	ProjectSettingsEditor::get_singleton()->init_autoloads();
+
+	ep.step(TTR("Initializing plugins..."), 4, true);
 	EditorNode::get_singleton()->init_plugins();
+
+	ep.step(TTR("Starting file scan..."), 5, true);
 }
 
 void EditorFileSystem::_first_scan_process_scripts(const ScannedDirectory *p_scan_dir, HashSet<String> &p_existing_class_names) {
@@ -652,6 +660,12 @@ bool EditorFileSystem::_update_scan_actions() {
 	Vector<String> reimports;
 	Vector<String> reloads;
 
+	EditorProgress *ep = nullptr;
+	if (scan_actions.size() > 1) {
+		ep = memnew(EditorProgress("_update_scan_actions", TTR("Scanning actions..."), scan_actions.size()));
+	}
+
+	int step_count = 0;
 	for (const ItemAction &ia : scan_actions) {
 		switch (ia.action) {
 			case ItemAction::ACTION_NONE: {
@@ -783,8 +797,14 @@ bool EditorFileSystem::_update_scan_actions() {
 
 			} break;
 		}
+
+		if (ep) {
+			ep->step(ia.file, step_count++, false);
+		}
 	}
 
+	memdelete_notnull(ep);
+
 	if (_scan_extensions()) {
 		//needs editor restart
 		//extensions also may provide filetypes to be imported, so they must run before importing
@@ -874,8 +894,6 @@ void EditorFileSystem::scan() {
 		scan_total = 0;
 		s.priority = Thread::PRIORITY_LOW;
 		thread.start(_thread_func, this, s);
-		//tree->hide();
-		//progress->show();
 	}
 }
 
@@ -1024,9 +1042,8 @@ void EditorFileSystem::_process_file_system(const ScannedDirectory *p_scan_dir,
 				}
 
 			} else {
-				fi->type = ResourceFormatImporter::get_singleton()->get_resource_type(path);
-				fi->uid = ResourceFormatImporter::get_singleton()->get_resource_uid(path);
-				fi->import_group_file = ResourceFormatImporter::get_singleton()->get_import_group_file(path);
+				// Using get_resource_import_info() to prevent calling 3 times ResourceFormatImporter::_get_path_and_type.
+				ResourceFormatImporter::get_singleton()->get_resource_import_info(path, fi->type, fi->uid, fi->import_group_file);
 				fi->script_class_name = _get_global_script_class(fi->type, path, &fi->script_class_extends, &fi->script_class_icon_path);
 				fi->modified_time = 0;
 				fi->import_modified_time = 0;
@@ -1832,10 +1849,21 @@ void EditorFileSystem::_update_script_classes() {
 
 	update_script_mutex.lock();
 
+	EditorProgress *ep = nullptr;
+	if (update_script_paths.size() > 1) {
+		ep = memnew(EditorProgress("update_scripts_classes", TTR("Registering global classes..."), update_script_paths.size()));
+	}
+
+	int step_count = 0;
 	for (const KeyValue<String, ScriptInfo> &E : update_script_paths) {
 		_register_global_class_script(E.key, E.key, E.value.type, E.value.script_class_name, E.value.script_class_extends, E.value.script_class_icon_path);
+		if (ep) {
+			ep->step(E.value.script_class_name, step_count++, false);
+		}
 	}
 
+	memdelete_notnull(ep);
+
 	update_script_paths.clear();
 	update_script_mutex.unlock();
 
@@ -1860,6 +1888,12 @@ void EditorFileSystem::_update_script_documentation() {
 
 	update_script_mutex.lock();
 
+	EditorProgress *ep = nullptr;
+	if (update_script_paths_documentation.size() > 1) {
+		ep = memnew(EditorProgress("update_script_paths_documentation", TTR("Updating scripts documentation"), update_script_paths_documentation.size()));
+	}
+
+	int step_count = 0;
 	for (const String &path : update_script_paths_documentation) {
 		int index = -1;
 		EditorFileSystemDirectory *efd = find_file(path, &index);
@@ -1882,8 +1916,14 @@ void EditorFileSystem::_update_script_documentation() {
 				}
 			}
 		}
+
+		if (ep) {
+			ep->step(efd->files[index]->file, step_count++, false);
+		}
 	}
 
+	memdelete_notnull(ep);
+
 	update_script_paths_documentation.clear();
 	update_script_mutex.unlock();
 }
@@ -1918,7 +1958,7 @@ void EditorFileSystem::_update_scene_groups() {
 
 	EditorProgress *ep = nullptr;
 	if (update_scene_paths.size() > 20) {
-		ep = memnew(EditorProgress("update_scene_groups", TTR("Update Scene Groups"), update_scene_paths.size()));
+		ep = memnew(EditorProgress("update_scene_groups", TTR("Updating Scene Groups"), update_scene_paths.size()));
 	}
 	int step_count = 0;
 
@@ -1940,7 +1980,7 @@ void EditorFileSystem::_update_scene_groups() {
 		}
 
 		if (ep) {
-			ep->step(TTR("Updating Scene Groups..."), step_count++, false);
+			ep->step(efd->files[index]->file, step_count++, false);
 		}
 	}
 
@@ -2656,7 +2696,7 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 
 	Vector<String> reloads;
 
-	EditorProgress pr("reimport", TTR("(Re)Importing Assets"), p_files.size());
+	EditorProgress *ep = memnew(EditorProgress("reimport", TTR("(Re)Importing Assets"), p_files.size()));
 
 	// The method reimport_files runs on the main thread, and if VSync is enabled
 	// or Update Continuously is disabled, Main::Iteration takes longer each frame.
@@ -2673,6 +2713,8 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 	HashSet<String> groups_to_reimport;
 
 	for (int i = 0; i < p_files.size(); i++) {
+		ep->step(TTR("Preparing files to reimport..."), i, false);
+
 		String file = p_files[i];
 
 		ResourceUID::ID uid = ResourceUID::get_singleton()->text_to_id(file);
@@ -2712,6 +2754,8 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 
 	reimport_files.sort();
 
+	ep->step(TTR("Executing pre-reimport operations..."), 0, true);
+
 	// Emit the resource_reimporting signal for the single file before the actual importation.
 	emit_signal(SNAME("resources_reimporting"), reloads);
 
@@ -2732,7 +2776,7 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 			if (i + 1 == reimport_files.size() || reimport_files[i + 1].importer != reimport_files[from].importer || groups_to_reimport.has(reimport_files[i + 1].path)) {
 				if (from - i == 0) {
 					// Single file, do not use threads.
-					pr.step(reimport_files[i].path.get_file(), i);
+					ep->step(reimport_files[i].path.get_file(), i, false);
 					_reimport_file(reimport_files[i].path);
 				} else {
 					Ref<ResourceImporter> importer = ResourceFormatImporter::get_singleton()->get_importer_by_name(reimport_files[from].importer);
@@ -2754,7 +2798,7 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 					do {
 						if (current_index < tdata.max_index.get()) {
 							current_index = tdata.max_index.get();
-							pr.step(reimport_files[current_index].path.get_file(), current_index);
+							ep->step(reimport_files[current_index].path.get_file(), current_index, false);
 						}
 						OS::get_singleton()->delay_usec(1);
 					} while (!WorkerThreadPool::get_singleton()->is_group_task_completed(group_task));
@@ -2768,7 +2812,7 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 			}
 
 		} else {
-			pr.step(reimport_files[i].path.get_file(), i);
+			ep->step(reimport_files[i].path.get_file(), i, false);
 			_reimport_file(reimport_files[i].path);
 
 			// We need to increment the counter, maybe the next file is multithreaded
@@ -2785,7 +2829,7 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 		HashMap<String, Vector<String>> group_files;
 		_find_group_files(filesystem, group_files, groups_to_reimport);
 		for (const KeyValue<String, Vector<String>> &E : group_files) {
-			pr.step(E.key.get_file(), from++);
+			ep->step(E.key.get_file(), from++, false);
 			Error err = _reimport_group(E.key, E.value);
 			reloads.push_back(E.key);
 			reloads.append_array(E.value);
@@ -2794,23 +2838,28 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 			}
 		}
 	}
-	pr.step(TTR("Finalizing Asset Import..."), p_files.size());
+	ep->step(TTR("Finalizing Asset Import..."), p_files.size());
 
 	ResourceUID::get_singleton()->update_cache(); // After reimporting, update the cache.
-
 	_save_filesystem_cache();
+
+	memdelete_notnull(ep);
+
 	_process_update_pending();
 
 	// Revert to previous values to restore editor settings for VSync and Update Continuously.
 	OS::get_singleton()->set_low_processor_usage_mode(old_low_processor_usage_mode);
 	DisplayServer::get_singleton()->window_set_vsync_mode(old_vsync_mode);
 
 	importing = false;
+
+	ep = memnew(EditorProgress("reimport", TTR("(Re)Importing Assets"), p_files.size()));
+	ep->step(TTR("Executing post-reimport operations..."), 0, true);
 	if (!is_scanning()) {
 		emit_signal(SNAME("filesystem_changed"));
 	}
-
 	emit_signal(SNAME("resources_reimported"), reloads);
+	memdelete_notnull(ep);
 }
 
 Error EditorFileSystem::reimport_append(const String &p_file, const HashMap<StringName, Variant> &p_custom_options, const String &p_custom_importer, Variant p_generator_parameters) {