private void Tick()
{
_time.Start();
while (true)
{
PlayerState state = State;
bool playing = state == PlayerState.Playing;
bool recording = state == PlayerState.Recording;
if (!playing && !recording)
{
goto stop;
}
void MixerProcess()
{
_mixer.Process(_tracks, playing, recording);
}
while (_tempoStack >= 75)
{
_tempoStack -= 75;
bool allDone = true;
for (int i = 0; i < 0x10; i++)
{
Track track = _tracks[i];
if (track.Enabled)
{
byte prevDuration = track.NoteDuration;
track.Tick();
bool update = false;
while (track.Rest == 0 && !track.Stopped)
{
ExecuteNext(i, ref update);
}
if (i == _longestTrack)
{
if (ElapsedTicks == MaxTicks)
{
if (!track.Stopped)
{
ElapsedTicks = Events[i][track.CurEvent].Ticks[0] - track.Rest;
_elapsedLoops++;
if (ShouldFadeOut && !_mixer.IsFading() && _elapsedLoops > NumLoops)
{
_mixer.BeginFadeOut();
}
}
}
else
{
ElapsedTicks++;
}
}
if (prevDuration == 1 && track.NoteDuration == 0) // Note was not renewed
{
track.Channel.State = EnvelopeState.Release;
}
if (!track.Stopped)
{
allDone = false;
}
if (track.NoteDuration != 0)
{
allDone = false;
if (update)
{
track.Channel.SetVolume(track.Volume, track.Panpot);
track.Channel.SetPitch(track.GetPitch());
}
}
}
}
if (_mixer.IsFadeDone())
{
allDone = true;
}
if (allDone)
{
MixerProcess();
State = PlayerState.Stopped;
SongEnded?.Invoke();
}
}
_tempoStack += _tempo;
MixerProcess();
if (playing)
{
_time.Wait();
}
}
stop:
_time.Stop();
}
