/// <summary>
/// サウンドオン
/// </summary>
public virtual void KeyOn()
{
IsSoundingStarted = true;
IsKeyOff = false;
IsSoundOff = false;
if (ParentModule.ModulationDepthes[NoteOnEvent.Channel] > 64 ||
ParentModule.Modulations[NoteOnEvent.Channel] > 0)
{
ModulationEnabled = true;
}
int ln = ParentManager.GetLastNoteNumber(NoteOnEvent.Channel);
if (ParentModule.Portamentos[NoteOnEvent.Channel] >= 64 || ln > 0x80)
{
if (ln >= 0)
{
ln &= 0x7f;
PortamentoDeltaNoteNumber = ln - NoteOnEvent.NoteNumber;
portStartNoteDeltSign = Math.Sign(PortamentoDeltaNoteNumber);
PortamentoEnabled = true;
}
}
var adsrs = Timbre.SDS.ADSR;
ActiveADSR = adsrs.Enable;
if (ActiveADSR)
{
AdsrEngine = new AdsrEngine();
AdsrEngine.SetAttackRate(Math.Pow(10d * (127d - adsrs.AR) / 127d, 2));
AdsrEngine.SetDecayRate(Math.Pow(100d * (adsrs.DR / 127d), 2));
AdsrEngine.SetReleaseRate(Math.Pow(60d * (adsrs.RR / 127d), 2));
AdsrEngine.SetSustainLevel((127d - adsrs.SL) / 127d);
AdsrEngine.Gate(true);
}
var efs = Timbre.SDS.FxS;
if (efs != null)
{
ActiveFx = efs.Enable;
}
SoundKeyOn?.Invoke(this, new SoundUpdatedEventArgs(NoteOnEvent.NoteNumber, NoteOnEvent.Velocity, lastPitch));
if (DrumTimbre != null)
{
HighPrecisionTimer.SetPeriodicCallback
(new Func <object, double>(processGateTime), DrumTimbre.GateTime, this, true);
}
}
/// <summary>
///キーオフ
/// </summary>
public virtual void KeyOff()
{
if (IsKeyOff)
{
return;
}
IsKeyOff = true;
AdsrEngine?.Gate(false);
TrySoundOff();
SoundKeyOff?.Invoke(this, new SoundUpdatedEventArgs(NoteOnEvent.NoteNumber, NoteOnEvent.Velocity, lastPitch));
}
/// <summary>
/// サウンドオフ
/// </summary>
public virtual void SoundOff()
{
if (!IsKeyOff)
{
IsKeyOff = true;
AdsrEngine?.Gate(false);
SoundKeyOff?.Invoke(this, new SoundUpdatedEventArgs(NoteOnEvent.NoteNumber, NoteOnEvent.Velocity, lastPitch));
}
IsSoundOff = true;
SoundOffTime = soundOffTimeCounter++;
SoundSoundOff?.Invoke(this, EventArgs.Empty);
}
private double processAdsr(object state)
{
if (!IsDisposed && ActiveADSR && AdsrEngine != null)
{
AdsrEngine.Process();
OnProcessAdsr();
if (AdsrEngine.AdsrState != AdsrState.SoundOff)
{
return(1);
}
ActiveADSR = false;
TrySoundOff();
}
return(-1);
}
