public int GetSampleFromTiming(Timing timing)
{
Timing nextMeterTiming = new Timing();
if (timing < nextMeterTiming)
{
return(0);
}
MusicMeterBySample meter = null;
for (int i = 0; i < Meters.Length; ++i)
{
if (i + 1 < Meters.Length)
{
nextMeterTiming.Set(Meters[i + 1].StartBar);
if (timing < nextMeterTiming)
{
meter = Meters[i];
break;
}
}
else // 最後のメーター
{
meter = Meters[i];
break;
}
}
return(meter.GetSampleFromTiming(timing));
}
public void Validate(int sampleRate)
{
IsValid = false;
if (Clips.Length == 0 || Clips[0] == null || Meters.Length == 0)
{
return;
}
// 最初のメーターをValidateして、EntryPointのサンプル数を計算
Meters[0].OnValidate(sampleRate, 0);
EntryPointSample = Meters[0].GetSampleFromTiming(EntryPointTiming);
// 後続のメーターすべてをValidate
int startSample = EntryPointSample;
MusicMeterBySample lastMeter = null;
foreach (MusicMeterBySample meter in Meters)
{
if (lastMeter != null)
{
startSample += lastMeter.SamplesPerBar * meter.StartBar;
}
meter.OnValidate(sampleRate, startSample);
lastMeter = meter;
}
ClipEndTiming = lastMeter.GetTimingFromSample(Clips[0].samples);
// 波形終わりのタイミングを参考にExitPointを設定する
if (ExitPointTiming <= EntryPointTiming || ClipEndTiming < ExitPointTiming)
{
ExitPointTiming = new Timing(ClipEndTiming);
ExitPointTiming.FixToFloor();
}
if (ClipEndTiming < LoopEndTiming)
{
LoopEndTiming = new Timing(ClipEndTiming);
LoopEndTiming.FixToFloor();
}
if (TransitionType == AutoTransitionType.Loop)
{
// LoopEndはLoopStartより後じゃないとダメ
if (LoopStartTiming >= LoopEndTiming)
{
LoopEndTiming.Set(ExitPointTiming);
}
// ExitPointはLoopEndと同一
ExitPointTiming = LoopEndTiming;
LoopStartSample = GetSampleFromTiming(LoopStartTiming);
LoopEndSample = GetSampleFromTiming(LoopEndTiming);
}
ExitPointSample = GetSampleFromTiming(ExitPointTiming);
IsValid = true;
}
protected override void CalcTimingAndFraction(ref Timing just, out float fraction)
{
if (currentMeter_ == null)
{
just.Set(-1, 0, 0);
fraction = 0;
}
else
{
MusicMeterBySample meter = currentMeter_ as MusicMeterBySample;
just.Set(meter.GetTimingFromSample(currentSample_));
fraction = (float)(currentSample_ - meter.GetSampleFromTiming(just)) / meter.SamplesPerUnit;
}
}
MusicMeterBySample GetMeterFromTiming(Timing timing)
{
MusicMeterBySample res = null;
foreach (MusicMeterBySample meter in CurrentSection.Meters)
{
if (timing.Bar < meter.StartBar)
{
return(res);
}
res = meter;
}
return(res);
}
// sync
MusicMeterBySample GetMeterFromSample(int sample)
{
MusicMeterBySample res = null;
foreach (MusicMeterBySample meter in CurrentSection.Meters)
{
if (sample < meter.StartSamples)
{
return(res);
}
res = meter;
}
return(res);
}
bool FindSyncPoint(Music.SyncType syncType, int syncFactor, int currentSample, int entryPointSample, out int syncPointSample)
{
syncPointSample = currentSample;
MusicMeterBySample currentMeter = GetMeterFromSample(currentSample);
Timing currentTiming = currentMeter != null?currentMeter.GetTimingFromSample(currentSample) : new Timing();
Timing syncPointCandidateTiming = new Timing(currentTiming);
switch (syncType)
{
case Music.SyncType.Immediate:
syncPointSample = currentSample + entryPointSample;
break;
case Music.SyncType.ExitPoint:
syncPointSample = CurrentSection.ExitPointSample;
if (syncPointSample <= currentSample + entryPointSample)
{
return(false);
}
break;
case Music.SyncType.Bar:
syncPointCandidateTiming.Set(currentTiming.Bar - (currentTiming.Bar - currentMeter.StartBar) % syncFactor + syncFactor, 0, 0);
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
while (syncPointSample <= currentSample + entryPointSample)
{
syncPointCandidateTiming.Add(syncFactor);
if (syncPointCandidateTiming > CurrentSection.ExitPointTiming)
{
return(false);
}
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
}
break;
case Music.SyncType.Beat:
syncPointCandidateTiming.Set(currentTiming.Bar, currentTiming.Beat - (currentTiming.Beat % syncFactor) + syncFactor, 0);
syncPointCandidateTiming.Fix(currentMeter);
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
while (syncPointSample <= currentSample + entryPointSample)
{
syncPointCandidateTiming.Add(0, syncFactor, 0, currentMeter);
syncPointCandidateTiming.Fix(currentMeter);
if (syncPointCandidateTiming > CurrentSection.ExitPointTiming)
{
return(false);
}
currentMeter = GetMeterFromTiming(syncPointCandidateTiming);
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
}
break;
case Music.SyncType.Unit:
syncPointCandidateTiming.Set(currentTiming.Bar, currentTiming.Beat, currentTiming.Unit - (currentTiming.Unit % syncFactor) + syncFactor);
syncPointCandidateTiming.Fix(currentMeter);
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
while (syncPointSample <= currentSample + entryPointSample)
{
syncPointCandidateTiming.Add(0, 0, syncFactor, currentMeter);
syncPointCandidateTiming.Fix(currentMeter);
if (syncPointCandidateTiming > CurrentSection.ExitPointTiming)
{
return(false);
}
currentMeter = GetMeterFromTiming(syncPointCandidateTiming);
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
}
break;
case Music.SyncType.Marker:
if (0 <= syncFactor && syncFactor < CurrentSection.Markers.Length && CurrentSection.Markers[syncFactor].Timings.Length > 0)
{
MusicSection.MusicMarker marker = CurrentSection.Markers[syncFactor];
int markerIndex = 0;
syncPointCandidateTiming.Set(marker.Timings[markerIndex]);
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
while (syncPointSample <= currentSample + entryPointSample)
{
++markerIndex;
if (marker.Timings.Length <= markerIndex)
{
return(false);
}
syncPointCandidateTiming.Set(marker.Timings[markerIndex]);
syncPointSample = CurrentSection.GetSampleFromTiming(syncPointCandidateTiming);
}
}
else
{
print(String.Format("Failed to SetNextSection. {0} section doesn't have Marker[{1}].", CurrentSection.Name, syncFactor));
return(false);
}
break;
}
return(true);
}
