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

core/io/file_access.cpp

@@ -59,11 +59,9 @@ 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 then 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

@@ -364,6 +364,23 @@ 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

@@ -93,6 +93,7 @@ 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

@@ -1043,36 +1043,39 @@ 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 then 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

@@ -638,6 +638,12 @@ 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: {
@@ -769,8 +775,14 @@ 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
@@ -860,8 +872,6 @@ void EditorFileSystem::scan() {
 		scan_total = 0;
 		s.priority = Thread::PRIORITY_LOW;
 		thread.start(_thread_func, this, s);
-		//tree->hide();
-		//progress->show();
 	}
 }
 
@@ -1010,9 +1020,8 @@ 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;
@@ -1807,10 +1816,21 @@ 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();
 
@@ -1835,6 +1855,12 @@ 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);
@@ -1857,8 +1883,14 @@ 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();
 }
@@ -1893,7 +1925,7 @@ 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;
 
@@ -1915,7 +1947,7 @@ void EditorFileSystem::_update_scene_groups() {
 		}
 
 		if (ep) {
-			ep->step(TTR("Updating Scene Groups..."), step_count++);
+			ep->step(efd->files[index]->file, step_count++);
 		}
 	}
 
@@ -2093,7 +2125,7 @@ void EditorFileSystem::update_files(const Vector<String> &p_script_paths) {
 		}
 		if (!is_scanning()) {
 			_process_update_pending();
-			call_deferred(SNAME("emit_signal"), "filesystem_changed"); //update later
+			call_deferred(SNAME("emit_signal"), "filesystem_changed"); // Update later.
 		}
 	}
 }
@@ -2631,13 +2663,15 @@ 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()));
 
 	Vector<ImportFile> reimport_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);
@@ -2697,7 +2731,7 @@ 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);
@@ -2719,7 +2753,7 @@ 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));
@@ -2733,7 +2767,7 @@ 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
@@ -2750,7 +2784,7 @@ 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);
@@ -2761,8 +2795,10 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 	}
 
 	ResourceUID::get_singleton()->update_cache(); // After reimporting, update the cache.
-
 	_save_filesystem_cache();
+
+	memdelete_notnull(ep);
+
 	_process_update_pending();
 	importing = false;
 	if (!is_scanning()) {

editor/editor_node.cpp

@@ -5164,6 +5164,8 @@ void EditorNode::save_editor_layout_delayed() {
 }
 
 void EditorNode::_load_editor_layout() {
+	EditorProgress ep("loading_editor_layout", TTR("Loading editor"), 5);
+	ep.step(TTR("Loading editor layout..."), 0, true);
 	Ref<ConfigFile> config;
 	config.instantiate();
 	Error err = config->load(EditorPaths::get_singleton()->get_project_settings_dir().path_join("editor_layout.cfg"));
@@ -5185,11 +5187,19 @@ void EditorNode::_load_editor_layout() {
 		return;
 	}
 
+	ep.step(TTR("Loading docks..."), 1, true);
 	editor_dock_manager->load_docks_from_config(config, "docks");
+
+	ep.step(TTR("Reopening scenes..."), 2, true);
 	_load_open_scenes_from_config(config);
+
+	ep.step(TTR("Loading central editor layout..."), 3, true);
 	_load_central_editor_layout_from_config(config);
 
+	ep.step(TTR("Loading plugin window layout..."), 4, true);
 	editor_data.set_plugin_window_layout(config);
+
+	ep.step(TTR("Editor layout ready."), 5, true);
 }
 
 void EditorNode::_save_central_editor_layout_to_config(Ref<ConfigFile> p_config_file) {