public void AddNote(ISampleMaker voice, int step, int duration)
{
StepEvent stepEvent = null;
if (this.stepEvents.ContainsKey(step))
{
stepEvent = this.stepEvents[step];
}
else
{
stepEvent = new StepEvent();
this.stepEvents.Add(step, stepEvent);
}
stepEvent.Step = step;
VoiceNote note = new VoiceNote();
note.Duration = duration;
note.Voice = voice;
stepEvent.VoiceNotes.Add(voice, note);
}
virtual protected void ProcessCurrentStep()
{
if (this.stepIndex == 0)
{
for (int i = this.voicesInPlay.Count - 1; i >= 0; i--)
{
VoiceNote note = this.voicesInPlay[i];
note.Elapsed = 0;
note.Voice.Reset();
if (note.Voice is IVoice)
{
((IVoice)note.Voice).Envelope.Reset();
}
this.voicesInPlay.RemoveAt(i);
}
}
//Increment duration of voices in play
foreach (VoiceNote item in this.voicesInPlay)
{
item.Elapsed++;
}
//remove voices whose duration has completed
for (int i = this.voicesInPlay.Count - 1; i >= 0; i--)
{
VoiceNote note = this.voicesInPlay[i];
if (note.Voice is IVoice)
{
if (note.Elapsed >= note.Duration)
{
IVoice voice = (IVoice)note.Voice;
if (!voice.Envelope.Releasing)
{
voice.Envelope.Release();
}
else if (!voice.Envelope.Active)
{
this.voicesInPlay.RemoveAt(i);
note.Elapsed = 0;
note.Voice.Reset();
voice.Envelope.Reset();
}
}
}
else
{
if (note.Elapsed >= note.Duration)
{
this.voicesInPlay.RemoveAt(i);
note.Elapsed = 0;
note.Voice.Reset();
if (note.Voice is IVoice)
{
((IVoice)note.Voice).Envelope.Reset();
}
}
}
if ((note.Voice is IVoice == false && note.Elapsed >= note.Duration) ||
(note.Voice is IVoice && note.Elapsed >= note.Duration && ((IVoice)note.Voice).Envelope.Active == false))
{
this.voicesInPlay.RemoveAt(i);
note.Elapsed = 0;
note.Voice.Reset();
if (note.Voice is IVoice)
{
((IVoice)note.Voice).Envelope.Reset();
}
}
}
//add new notes on this step
if (this.stepEvents.ContainsKey(this.stepIndex))
{
StepEvent stepEvent = this.stepEvents[this.stepIndex];
foreach (ISampleMaker key in stepEvent.VoiceNotes.Keys)
{
this.voicesInPlay.Add(stepEvent.VoiceNotes[key]);
}
}
}
