public static void LoadPreview(CSong song, float start = -1f)
{
if (song == null)
{
throw new ArgumentNullException("song");
}
if (!IsPlayingPreview)
{
Pause();
CSound.SetGlobalVolume(CConfig.PreviewMusicVolume);
}
bool songChanged = _CurPlayer.SongID != song.ID;
_PreviewPlayer.Load(song);
//Change song position only if song is changed or near to end
if (songChanged || _CurPlayer.Position + 30 < _CurPlayer.Length)
{
_PreviewStartHelperTask = new Task(() =>
{
float length = _PreviewPlayer.Length;
if (length < 1)
{
length = 30; // If length is unknow or invalid assume a length of 30s
}
if (start < 0)
{
start = (song.Preview.Source == EDataSource.None) ? length / 4f : song.Preview.StartTime;
}
if (start > length - 5f)
{
start = Math.Max(0f, Math.Min(length / 4f, length - 5f));
}
if (start >= 0.5f)
{
start -= 0.5f;
}
_PreviewPlayer.Position = start;
Play();
});
_CurPlayer = _PreviewPlayer;
}
else
{
_PreviewStartHelperTask.Dispose();
_PreviewStartHelperTask = null;
_PreviewPlayer.Position = _CurPlayer.Position;
_CurPlayer = _PreviewPlayer;
Play();
}
}
public static void StopPreview()
{
if (!IsPlayingPreview)
{
return;
}
Stop();
_CurPlayer = _BGPlayer;
if (_MusicSource != EBackgroundMusicSource.TR_CONFIG_NO_OWN_MUSIC)
{
_CurPlayer.Load(CSongs.GetSong(_PreviewPlayer.SongID));
_CurPlayer.Position = _PreviewPlayer.Position;
}
CSound.SetGlobalVolume(CConfig.BackgroundMusicVolume);
}
private static void _FinishScreenFading()
{
if (_Fading == null)
{
return;
}
Debug.Assert(NextScreen != null);
CurrentScreen.OnClose();
CurrentScreen = NextScreen;
NextScreen = null;
CurrentScreen.OnShowFinish();
CSound.SetGlobalVolume(CConfig.GetVolumeByType(CurrentScreen.CurrentMusicType));
if (CurrentScreen.CurrentMusicType == EMusicType.Background || CurrentScreen.CurrentMusicType == EMusicType.Preview || CurrentScreen.CurrentMusicType == EMusicType.BackgroundPreview)
{
CBackgroundMusic.Disabled = false;
CBackgroundMusic.IsPlayingPreview = CurrentScreen.CurrentMusicType == EMusicType.Preview || CurrentScreen.CurrentMusicType == EMusicType.BackgroundPreview;
}
_Fading = null;
}
public void SetGlobalVolume(int volume)
{
CSound.SetGlobalVolume(volume);
}
public static bool Draw()
{
if (NextScreen != null && _Fading == null)
{
_Fading = new CFading(0f, 1f, CConfig.Config.Graphics.FadeTime);
if (NextScreen.PartyModeID != -1)
{
CFonts.PartyModeID = NextScreen.PartyModeID;
NextScreen.OnShow();
CFonts.PartyModeID = -1;
}
else
{
NextScreen.OnShow();
}
if (_Cursor.IsActive)
{
NextScreen.ProcessMouseMove(_Cursor.X, _Cursor.Y);
}
HidePopup(EPopupScreens.PopupPlayerControl);
if (NextScreen.CurrentMusicType != EMusicType.Background && NextScreen.CurrentMusicType != EMusicType.Preview && NextScreen.CurrentMusicType != EMusicType.BackgroundPreview)
{
CBackgroundMusic.Disabled = true;
}
}
if (_Fading != null)
{
Debug.Assert(NextScreen != null);
bool finished;
float newAlpha = _Fading.GetValue(out finished);
if (!finished)
{
ZOffset = CSettings.ZFar / 2;
_DrawScreen(CurrentScreen);
GlobalAlpha = newAlpha;
ZOffset = 0f;
_DrawScreen(NextScreen);
GlobalAlpha = 1f;
int oldVol = CConfig.GetVolumeByType(CurrentScreen.CurrentMusicType);
int newVol = CConfig.GetVolumeByType(NextScreen.CurrentMusicType);
CSound.SetGlobalVolume((int)((newVol - oldVol) * newAlpha + oldVol));
}
else
{
_FinishScreenFading();
if (_Cursor.IsActive)
{
CurrentScreen.ProcessMouseMove(_Cursor.X, _Cursor.Y);
}
_DrawScreen(CurrentScreen);
}
}
else
{
_DrawScreen(CurrentScreen);
}
foreach (IMenu popup in _PopupScreens)
{
popup.Draw();
}
_Cursor.Draw();
_DrawDebugInfos();
return(true);
}
