private IEnumerator VolumeChangeCoroutine(ViewSoundInfo info, float targetVolume, bool destroyAtEnd)
{
if (info.Coroutine != null)
{
UIManager.Instance.StopCoroutine(info.Coroutine);
}
while (info.AudioSource && info.AudioSource.volume != targetVolume)
{
info.AudioSource.volume = Mathf.MoveTowards(info.AudioSource.volume, targetVolume, Time.unscaledDeltaTime * VolumeChangeSpeed);
yield return(null);
}
if (destroyAtEnd)
{
if (info.AudioSource)
{
if (viewSounds.TryGetValue(info.AudioSource.clip, out var otherInfo))
{
if (info == otherInfo)
{
viewSounds.Remove(info.AudioSource.clip);
}
}
info.AudioSource.Stop();
GameObject.Destroy(info.AudioSource.gameObject);
}
}
}
private void Play(AudioClip backgroundSound, bool playFromStart)
{
if (viewSounds.TryGetValue(backgroundSound, out var info))
{
info.ViewsCounter++;
StartVolumeChange(info, info.InitVolume, false);
return;
}
var audio = GameObject.Instantiate(backgroundSoundPrefab);
audio.transform.SetParent(UIManager.Instance.transform);
audio.loop = true;
audio.clip = backgroundSound;
audio.time = playFromStart ? 0 : UnityEngine.Random.Range(0, audio.clip.length / 2);
audio.Play();
info = new ViewSoundInfo();
info.AudioSource = audio;
info.InitVolume = audio.volume;
info.ViewsCounter++;
viewSounds[backgroundSound] = info;
audio.volume = 0;
StartVolumeChange(info, info.InitVolume, false);
}
private void StartVolumeChange(ViewSoundInfo info, float targetVolume, bool destroyAtEnd)
{
if (info.Coroutine != null)
{
UIManager.Instance.StopCoroutine(info.Coroutine);
}
info.Coroutine = UIManager.Instance.StartCoroutine(VolumeChangeCoroutine(info, targetVolume, destroyAtEnd));
}
