240 lines
7.0 KiB
GDScript
240 lines
7.0 KiB
GDScript
@tool
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extends Node
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signal archive_loaded
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static var archive: AssembledArchive
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# current archive
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static var user_root_dir := "user://data/" # must end with "/"
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static var archive_dir := "user://data/archives/"
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static var archive_prefix := "save"
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var archives := {}
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var autosave_timer := Timer.new()
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func _ready() -> void:
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# 禁用默认退出行为，在 _notification 处理 NOTIFICATION_WM_CLOSE_REQUEST 时保存数据
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get_tree().set_auto_accept_quit(false)
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if not _check_dirs_and_archives():
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_handle_load_error("存档目录", "读写")
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return
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autosave_timer.timeout.connect(_try_auto_save)
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autosave_timer.stop()
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add_child(autosave_timer)
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# config should be loaded first
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load_config()
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# 在 debug or editor 模式下，直接保证有 archive
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if GlobalConfig.DEBUG or Engine.is_editor_hint():
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if archives.size() == 0:
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create_and_use_new_archive()
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else:
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# debug 模式下默认使用 0 号存档
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GlobalConfigManager.config.current_selected_archive_id = 0
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func _notification(what):
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# handle window close request
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if what == NOTIFICATION_WM_CLOSE_REQUEST:
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save_all()
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if has_node("/root/Main"):
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print("Saved all success before Quit")
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# 已保存所有数据 [ID:ui_saved_all]
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SceneManager.pop_notification(tr("ui_saved_all"))
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var tree = get_tree()
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tree.create_timer(1.5).timeout.connect(tree.quit)
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else:
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get_tree().quit()
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func _on_archive_id_changed():
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var selected_id = GlobalConfigManager.config.current_selected_archive_id
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if selected_id < 0:
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return
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if archive:
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if selected_id != archive.archive_id:
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ResourceSaver.save(archive)
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archive = null
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else:
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return
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if not archives.has(selected_id):
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create_and_use_new_archive(selected_id)
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# 已创建新存档 [ID:ui_new_archive]
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SceneManager.pop_notification(tr("ui_new_archive"))
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else:
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load_archive()
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func check_autosave_options():
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if (
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GlobalConfigManager.config.auto_save_enabled
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and archive
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and GlobalConfigManager.config.auto_save_seconds > 1
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):
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# reset left time
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autosave_timer.stop()
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autosave_timer.one_shot = false
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autosave_timer.wait_time = GlobalConfigManager.config.auto_save_seconds
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autosave_timer.start()
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else:
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autosave_timer.stop()
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if GlobalConfig.DEBUG:
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print(
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"check_autosave_option: ",
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GlobalConfigManager.config.auto_save_enabled,
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" wait_time=",
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autosave_timer.wait_time
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)
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func _try_auto_save():
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if GlobalConfig.DEBUG:
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print("Auto save")
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if archive and GlobalConfigManager.config.auto_save_seconds > 1:
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save_all()
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# 自动保存成功 [ID:ui_auto_saved]
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SceneManager.pop_notification(tr("ui_auto_saved"))
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func _check_dirs_and_archives() -> bool:
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if !DirAccess.dir_exists_absolute(user_root_dir):
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DirAccess.make_dir_recursive_absolute(user_root_dir)
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print("Create user_root_dir:", user_root_dir)
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# Check if the archive directory is accessible
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if !DirAccess.dir_exists_absolute(archive_dir):
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DirAccess.make_dir_recursive_absolute(archive_dir)
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print("Create archive_dir:", archive_dir)
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var archive_dir_access = DirAccess.open(archive_dir)
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if !archive_dir_access:
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_handle_load_error("存档目录", "读取")
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# TODO pop up a dialog to inform the user
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return false
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var files = archive_dir_access.get_files()
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files.sort()
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# get archive number
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for file in files:
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if file.begins_with(archive_prefix) and file.ends_with(GlobalConfig.RES_FILE_FORMAT):
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var id_str = file.get_basename().substr(archive_prefix.length())
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# 低于三位数的 id 会被忽略
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if id_str.length() < 3:
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continue
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var id = int(id_str)
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# 读取范围是 0-99
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if id < 0 or id > 99:
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continue
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var path = archive_dir + file
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if not archives.has(id):
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archives[id] = ResourceLoader.load(
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path, "AssembledArchive", ResourceLoader.CACHE_MODE_REPLACE_DEEP
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)
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return true
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# id = -1 means create a new archive, otherwise create an archive with the given id
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func create_and_use_new_archive(id := -1) -> void:
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_check_dirs_and_archives()
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var archive_path = _get_archive_path(id)
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if id < 0:
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# 如果 id 小于 0，找到一个新的 id，创建新存档
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id = 0
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# find a new id
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archive_path = _get_archive_path(id)
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while FileAccess.file_exists(archive_path):
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id += 1
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archive_path = _get_archive_path(id)
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_create_and_save_new_archive_resoure(id)
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else:
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# 如果 id 大于等于 0，创建指定 id 的存档
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if FileAccess.file_exists(archive_path):
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_create_and_save_new_archive_resoure(id, true)
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else:
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_create_and_save_new_archive_resoure(id)
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archives[id] = archive
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# this will auto trigger signal and load the new archive
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GlobalConfigManager.config.current_selected_archive_id = id
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func _create_and_save_new_archive_resoure(id, take_over_path = false) -> void:
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var archive_path = _get_archive_path(id)
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archive = AssembledArchive.new() as Resource
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if take_over_path:
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archive.take_over_path(archive_path)
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else:
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archive.resource_path = archive_path
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archive.archive_id = id
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archive.created_time = Time.get_datetime_string_from_system(false, true)
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ResourceSaver.save(archive, archive_path)
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# 超过 999 个存档会出问题；不过这个游戏不会有这么多存档
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func _get_archive_path(id: int) -> String:
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var id_str := ""
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if id < 10:
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id_str = "00" + str(id)
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elif id < 100:
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id_str = "0" + str(id)
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else:
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id_str = str(id)
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return archive_dir + archive_prefix + id_str + GlobalConfig.RES_FILE_FORMAT
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func save_all() -> void:
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# save config
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var config = GlobalConfigManager.config
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if config:
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ResourceSaver.save(config)
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# player_global_position
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var player = SceneManager.get_player() as MainPlayer
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# 在此处保存 player 的位置信息
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if archive and player:
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archive.player_global_position_x = player.global_position.x
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archive.player_direction = player.facing_direction
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if archive:
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ResourceSaver.save(archive)
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# reset autosave timer
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check_autosave_options()
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func load_config() -> void:
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if GlobalConfigManager.config:
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return
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var path = user_root_dir + "config" + GlobalConfig.RES_FILE_FORMAT
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if FileAccess.file_exists(path):
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var config = ResourceLoader.load(path)
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GlobalConfigManager.config = config
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else:
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var config = GlobalConfig.new()
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GlobalConfigManager.config = config
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ResourceSaver.save(config, path)
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GlobalConfigManager.config.resource_path = path
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if Engine.is_editor_hint():
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return
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# connect signals
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GlobalConfigManager.config.current_selected_archive_id_changed.connect(_on_archive_id_changed)
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GlobalConfigManager.config.auto_save_seconds_changed.connect(check_autosave_options)
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GlobalConfigManager.config.auto_save_enabled_changed.connect(check_autosave_options)
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func load_archive() -> void:
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_check_dirs_and_archives()
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var selected_id = GlobalConfigManager.config.current_selected_archive_id
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if archive and selected_id == archive.archive_id:
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return
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if not archives.has(selected_id):
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_handle_load_error(str(selected_id) + " 号存档", "查找")
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return
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archive = archives[selected_id]
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# emit signal
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archive_loaded.emit()
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check_autosave_options()
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func _handle_load_error(target, action) -> void:
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var msg = str(target) + " " + str(action) + " 失败，请检查文件访问权限"
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SceneManager.pop_notification(msg)
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printerr(msg)
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# TODO handle error
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