gd: added menu template

addons/maaacks_game_template/base/scripts/config.gd

@@ -0,0 +1,59 @@
+class_name Config
+extends Object
+
+## Interface for a single configuration file through [ConfigFile].
+
+const CONFIG_FILE_LOCATION := "user://config.cfg"
+
+static var config_file : ConfigFile
+
+static func _init() -> void:
+	load_config_file()
+
+static func _save_config_file() -> void:
+	var save_error : int = config_file.save(CONFIG_FILE_LOCATION)
+	if save_error:
+		push_error("save config file failed with error %d" % save_error)
+
+static func load_config_file() -> void:
+	if config_file != null:
+		return
+	config_file = ConfigFile.new()
+	var load_error : int = config_file.load(CONFIG_FILE_LOCATION)
+	if load_error:
+		var save_error : int = config_file.save(CONFIG_FILE_LOCATION)
+		if save_error:
+			push_error("save config file failed with error %d" % save_error)
+
+static func set_config(section: String, key: String, value) -> void:
+	load_config_file()
+	config_file.set_value(section, key, value)
+	_save_config_file()
+
+static func get_config(section: String, key: String, default = null) -> Variant:
+	load_config_file()
+	return config_file.get_value(section, key, default)
+
+static func has_section(section: String) -> bool:
+	load_config_file()
+	return config_file.has_section(section)
+
+static func has_section_key(section: String, key: String) -> bool:
+	load_config_file()
+	return config_file.has_section_key(section, key)
+
+static func erase_section(section: String) -> void:
+	if has_section(section):
+		config_file.erase_section(section)
+		_save_config_file()
+
+static func erase_section_key(section: String, key: String) -> void:
+	if has_section_key(section, key):
+		config_file.erase_section_key(section, key)
+		_save_config_file()
+
+static func get_section_keys(section: String) -> PackedStringArray:
+	load_config_file()
+	if config_file.has_section(section):
+		return config_file.get_section_keys(section)
+	return PackedStringArray()