Added music, best times, more backgrounds and more levels

Global.gd

@@ -1,5 +1,7 @@
 extends Node
 
+const INT64_MAX = (1 << 63) - 1 # 9223372036854775807
+
 var score : int = 0 :
 	set(x):
 		score = x
@@ -18,12 +20,20 @@ var relative_mouse : bool = true :
 		relative_mouse = x
 		_save()
 
-var volume : int :
+var music_volume : int :
 	set(x):
-		volume = x
-		AudioServer.set_bus_volume_db(0, volume)
+		music_volume = x
+		AudioServer.set_bus_volume_db(1, music_volume)
 		_save()
 
+var effects_volume : int :
+	set(x):
+		effects_volume = x
+		AudioServer.set_bus_volume_db(2, effects_volume)
+		_save()
+
+var best_times : Dictionary
+
 var _loading : bool = false
 
 func _ready() -> void:
@@ -32,11 +42,15 @@ func _ready() -> void:
 		var data = JSON.parse_string(FileAccess.get_file_as_string("user://data.json"))
 		highscore = data.get("highscore", 0)
 		relative_mouse = data.get("relative_mouse", true)
-		volume = data.get("volume", AudioServer.get_bus_volume_db(0))
+		music_volume = data.get("music_volume", AudioServer.get_bus_volume_db(1))
+		effects_volume = data.get("effects_volume", AudioServer.get_bus_volume_db(2))
+		best_times = data.get("best_times", {})
 	else:
 		highscore = 0
 		relative_mouse = true
-		volume = AudioServer.get_bus_volume_db(0)	
+		music_volume = AudioServer.get_bus_volume_db(1)	
+		effects_volume = AudioServer.get_bus_volume_db(2)	
+		best_times = {}
 	_loading = false
 
 func _save() -> void:
@@ -45,8 +59,17 @@ func _save() -> void:
 	var data : Dictionary = {
 		"highscore": highscore,
 		"relative_mouse": relative_mouse,
-		"volume": volume
+		"music_volume": music_volume,
+		"effects_volume": effects_volume,
+		"best_times": best_times
 	}
 	var f = FileAccess.open("user://data.json", FileAccess.WRITE)
 	f.store_string(JSON.stringify(data))
 	f.close()
+
+func get_best_time(level : String) -> int:
+	return best_times.get(level, INT64_MAX)
+
+func set_best_time(level : String, time : int) -> void:
+	best_times[level] = time
+	_save()