private float GetNoteCurveValue(MidiControl control, float time)
{
var tick = midiTrack.ConvertSecondToTicks(time);
var pair = GetNoteEventsBeforeTick(tick, control.noteFilter);
if (pair is null)
{
return(0);
}
var curve = control.curve.Evaluate(Mathf.Max(0, time - midiTrack.ConvertTicksToSecond(pair.OnTick)));
var velocity = pair.Velocity / 127.0f;
return(curve * velocity);
}
public float GetValue(UnityEngine.Playables.Playable playable, MidiControl control)
{
var t = (float)(playable.GetTime() % midiTrack.TotalSeconds);
switch (control.mode)
{
case MidiControl.Mode.NoteEnvelope:
return(GetNoteEnvelopeValue(control, t));
case MidiControl.Mode.NoteCurve:
return(GetNoteCurveValue(control, t));
case MidiControl.Mode.CC:
return(GetCCValue(control, t));
default:
return(0);
}
}
private float GetCCValue(MidiControl control, float time)
{
var tick = midiTrack.ConvertSecondToTicks(time);
var(i0, i1) = GetCCEventIndexAroundTick(tick, control.ccController);
if (i0 is null)
{
return(0);
}
if (i1 is null)
{
return(i0.data / 127.0f);
}
var v0 = i0.data / 127.0f;
var v1 = i1.data / 127.0f;
var t0 = midiTrack.ConvertTicksToSecond(i0.Ticks);
var t1 = midiTrack.ConvertTicksToSecond(i1.Ticks);
return(Mathf.Lerp(v0, v1, Mathf.Clamp01((time - t0) / (t1 - t0))));
}
private float GetNoteEnvelopeValue(MidiControl control, float time)
{
var tick = midiTrack.ConvertSecondToTicks(time);
var pair = GetNoteEventsBeforeTick(tick, control.noteFilter);
if (pair is null)
{
return(0);
}
// Note-off time
var offTime = Math.Min(midiTrack.ConvertTicksToSecond(pair.OffTick), time);
var envelope = CalculateEnvelope(
control.envelope,
Mathf.Max(0, offTime - midiTrack.ConvertTicksToSecond(pair.OnTick)),
Mathf.Max(0, time - offTime)
);
var velocity = pair.Velocity / 127.0f;
return(envelope * velocity);
}
