update

scripts/core/Settings.gd

@@ -0,0 +1,24 @@
+class_name Settings
+extends RefCounted
+
+## Lautstärke und Schwierigkeit in user://settings.cfg.
+
+const PATH := "user://settings.cfg"
+
+var volume: float = 0.8
+var difficulty: int = Data.Difficulty.NORMAL
+
+
+func load_from_disk(path: String = PATH) -> void:
+	var cfg := ConfigFile.new()
+	if cfg.load(path) != OK:
+		return
+	volume = clampf(float(cfg.get_value("audio", "volume", volume)), 0.0, 1.0)
+	difficulty = clampi(int(cfg.get_value("game", "difficulty", difficulty)), 0, 2)
+
+
+func save_to_disk(path: String = PATH) -> void:
+	var cfg := ConfigFile.new()
+	cfg.set_value("audio", "volume", volume)
+	cfg.set_value("game", "difficulty", difficulty)
+	cfg.save(path)