void DoUpdate()
{
double updateStartTime = AudioSettings.dspTime;
UpdatePosition();
if (AudioHelmClock.GetGlobalPause())
{
return;
}
double position = GetSequencerTime();
float sixteenthTime = GetSixteenthTime();
double currentTime = GetSequencerPosition() * sixteenthTime;
double sequencerTime = length * sixteenthTime;
double windowMax = position + lookaheadTime / sixteenthTime;
if (windowMax <= lastWindowTime)
{
lastWindowTime = windowMax;
return;
}
if (WaitingForNextCycle())
{
lastWindowTime = windowMax;
return;
}
double internalLastWindowMax = Mathf.Repeat((float)lastWindowTime, length);
double internalWindowMax = Mathf.Repeat((float)windowMax, length);
float startSearch = (float)internalLastWindowMax;
float endSearch = (float)internalWindowMax;
List <Note> notes = GetAllNoteOnsInRange(startSearch, endSearch);
foreach (Note note in notes)
{
double startTime = sixteenthTime * note.start;
// Check if we wrapped around.
if (startTime < currentTime)
{
startTime += sequencerTime;
}
double endTime = startTime + sixteenthTime * (note.end - note.start);
double timeToStart = startTime - currentTime + updateStartTime;
double timeToEnd = endTime - currentTime + updateStartTime;
GetComponent <Sampler>().NoteOnScheduled(note.note, note.velocity, timeToStart, timeToEnd);
}
lastWindowTime = windowMax;
}
/// <summary>
/// Update the position of the sequencer and fire any events that have occurred.
/// </summary>
protected void UpdatePosition()
{
if (AudioHelmClock.GetGlobalPause())
{
if (!paused)
{
AllNotesOff();
}
paused = true;
return;
}
paused = false;
UpdateBeatTime();
UpdateIndex();
float nextPosition = (float)GetSequencerPosition();
if (nextPosition < 0.0f || nextPosition < lastSequencerPosition)
{
lastSequencerPosition = nextPosition;
return;
}
List <Note> noteOns = GetAllNoteOnsInRange(lastSequencerPosition, nextPosition);
List <Note> noteOffs = GetAllNoteOffsInRange(lastSequencerPosition, nextPosition);
int noteOnIndex = 0;
int noteOffIndex = 0;
while (noteOnIndex < noteOns.Count && noteOffIndex < noteOffs.Count)
{
if (noteOns[noteOnIndex].start < noteOffs[noteOffIndex].end)
{
SendNoteOn(noteOns[noteOnIndex++]);
}
else
{
SendNoteOff(noteOffs[noteOffIndex++]);
}
}
for (; noteOnIndex < noteOns.Count; ++noteOnIndex)
{
SendNoteOn(noteOns[noteOnIndex]);
}
for (; noteOffIndex < noteOffs.Count; ++noteOffIndex)
{
SendNoteOff(noteOffs[noteOffIndex]);
}
lastSequencerPosition = nextPosition;
}
/// <summary>
/// Update the position of the sequencer and fire any events that have occurred.
/// </summary>
protected void UpdatePosition(bool sendEvents = true)
{
if (AudioHelmClock.GetGlobalPause())
{
if (!paused)
{
AllNotesOff();
}
paused = true;
return;
}
paused = false;
UpdateBeatTime();
UpdateIndex();
float nextPosition = (float)GetSequencerPosition();
int cycles = Mathf.FloorToInt((float)GetSequencerTime() / length);
if (nextPosition < 0.0f || cycles < numCycles)
{
lastSequencerPosition = nextPosition;
numCycles = cycles;
return;
}
if (cycles > numCycles)
{
numCycles = cycles;
waitTillNextCycle = false;
}
if (waitTillNextCycle || !sendEvents)
{
lastSequencerPosition = nextPosition;
return;
}
List <Note> noteOns = GetAllNoteOnsInRange(lastSequencerPosition, nextPosition);
List <Note> noteOffs = GetAllNoteOffsInRange(lastSequencerPosition, nextPosition);
int noteOnIndex = 0;
int noteOffIndex = 0;
while (noteOnIndex < noteOns.Count && noteOffIndex < noteOffs.Count)
{
if (noteOns[noteOnIndex].start < noteOffs[noteOffIndex].end)
{
SendNoteOn(noteOns[noteOnIndex++]);
}
else
{
SendNoteOff(noteOffs[noteOffIndex++]);
}
}
for (; noteOnIndex < noteOns.Count; ++noteOnIndex)
{
SendNoteOn(noteOns[noteOnIndex]);
}
for (; noteOffIndex < noteOffs.Count; ++noteOffIndex)
{
SendNoteOff(noteOffs[noteOffIndex]);
}
lastSequencerPosition = nextPosition;
}
