extends Tween

const fadeMusicTime = 0.8;
const lowVolume = - 80;
const defaultVolume:float = 0.0;
var bgmStream:AudioStreamPlayer;

var darkChild:Sprite;

var isStoping = false

func _ready():
	bgmStream = self.get_child(0);
	bgmStream.bus = "SFXforBGM";

func PlayBGM(bgmPath):
	isStoping = false
	if self.is_active():
		self.remove_all()
	

	bgmStream.volume_db = lowVolume;
	bgmStream.stream = load(bgmPath);
	
	if bgmPath == "res://resources/audio/sfx/Rain Loop.ogg" and bgmStream.stream.loop_mode == 0:
		print("loop rain fuck!")
		bgmStream.stream.set_loop_mode(1);
	
	
	var _temp = self.interpolate_property(bgmStream, "volume_db", lowVolume, defaultVolume, fadeMusicTime, Tween.TRANS_EXPO, 0)
	bgmStream.play(0.0);
	_temp = self.start();

func StopBGM():

	var _temp = self.interpolate_property(bgmStream, "volume_db", defaultVolume, lowVolume, fadeMusicTime, Tween.TRANS_LINEAR, 0)
	isStoping = true
	_temp = self.start();
	yield (self, "tween_all_completed")
	

func ChangeBGM(bgmPath2):
	isStoping = false
	if self.is_active():
		self.remove_all()
	if (bgmStream.stream.resource_path != bgmPath2):
		StopBGM();
		yield (self, "tween_all_completed")
		PlayBGM(bgmPath2);
	else :
		PlayBGM(bgmPath2);

func PlayBGMNoFade(bgmPath):
	isStoping = false
	if self.is_active():
		self.remove_all()
	
	
	bgmStream.stream = load(bgmPath);
	
	if bgmPath == "res://resources/audio/sfx/Rain Loop.ogg" and bgmStream.stream.loop_mode == 0:
		print("loop rain fuck!")
		bgmStream.stream.set_loop_mode(1);
	
	
	
	bgmStream.play(0.0);
	

func ChangeBGMNoFade(bgmPath2):
	isStoping = false
	if self.is_active():
		self.remove_all()
	if (bgmStream.stream.resource_path != bgmPath2):
		StopBGM();
		yield (self, "tween_all_completed")
		PlayBGMNoFade(bgmPath2);
	else :
		PlayBGMNoFade(bgmPath2);