public void PlayPreview(QNT_Timestamp time, Relative_QNT previewDuration)
{
float midTime = timeline.TimestampToSeconds(time);
float duration = (float)Conversion.FromQNT(new Relative_QNT(Math.Abs(previewDuration.tick)), timeline.GetTempoForTime(time).microsecondsPerQuarterNote);
duration = Math.Min(duration, 0.1f);
UInt64 sampleStart = (UInt64)((midTime - duration / 2) * song.frequency);
UInt64 sampleEnd = (UInt64)((midTime + duration / 2) * song.frequency);
preview.currentSample = sampleStart << ClipData.PrecisionShift;
currentPreviewSongSampleEnd = sampleEnd << ClipData.PrecisionShift;
playPreview = true;
source.Play();
List <HitsoundEvent> previewHits = new List <HitsoundEvent>();
AddHitsoundEvents(previewHits, time, previewDuration.tick > 0 ? timeline.ShiftTick(time, duration) : time);
for (int i = 0; i < previewHits.Count; ++i)
{
HitsoundEvent ev = previewHits[i];
ev.waitSamples = 0;
previewHits[i] = ev;
}
newPreviewHitsoundEvents = previewHits;
}
public void PlayHitsound(QNT_Timestamp time)
{
List <HitsoundEvent> previewHits = new List <HitsoundEvent>();
AddHitsoundEvents(previewHits, time, time);
for (int i = 0; i < previewHits.Count; ++i)
{
HitsoundEvent ev = previewHits[i];
ev.waitSamples = 0;
previewHits[i] = ev;
}
newPreviewHitsoundEvents = previewHits;
}
void PlayHitsounds(CopyContext ctx, List <HitsoundEvent> events)
{
kick.duckVolume = 0.0f;
snare.duckVolume = 0.0f;
percussion.duckVolume = 0.0f;
chainStart.duckVolume = 0.0f;
chainNote.duckVolume = 0.0f;
melee.duckVolume = 0.0f;
mine.duckVolume = 0.0f;
float oldSpeed = ctx.playbackSpeed;
UInt64 waitSpeed = (UInt64)1 << ClipData.PrecisionShift;
if (oldSpeed != 1.0f)
{
waitSpeed = (UInt64)(waitSpeed * oldSpeed);
}
//Always play hitsounds at full speed
ctx.playbackSpeed = 1.0f;
for (int i = events.Count - 1; i >= 0; i--)
{
HitsoundEvent ev = events[i];
bool valid = true;
if (ev.waitSamples > 0)
{
if (waitSpeed > ev.waitSamples)
{
ev.waitSamples = 0;
}
else
{
ev.waitSamples -= waitSpeed;
}
}
else
{
ctx.volume = hitSoundVolume * ev.volume;
ev.sound.currentSample = ev.currentSample;
ev.sound.pan = ev.pan;
ev.sound.CopySampleIntoBuffer(ctx);
ev.sound.duckVolume = Mathf.Clamp(ev.sound.duckVolume + 0.25f, 0.0f, 1.0f);
if (ev.sound.scaledCurrentSample > ev.sound.samples.Length)
{
events.RemoveAt(i);
valid = false;
}
else
{
ev.currentSample = ev.sound.currentSample;
}
}
//Update the pan:
ev.pan = (ev.xPos - mainCameraX) / 7.15f;
if (valid)
{
events[i] = ev;
}
}
ctx.playbackSpeed = 1.0f;
}