/// <summary>
/// Splits the audio track into two separate tracks (the intro and the loop) and caches them.
/// This MUST be called before the overall track can be played.
/// </summary>
public void CreateAndCacheClips()
{
try
{
// Sometimes the designer might want to adjust the loop points themselves. That's fine, too.
// If they uncheck the Compensate for Frequency box, we'll just do everything as normal.
float frequencyRatio = CompensateForFrequency ? FrequencyRatio : 1f;
float[] clipData = new float[Track.samples * Channels];
int loopStartSampleCount = Convert.ToInt32(Math.Max(0, LoopStart) * Channels * frequencyRatio);
int loopLengthSampleCount = Convert.ToInt32(
Math.Min(Track.samples - 1, Math.Max(1, LoopLength)) * frequencyRatio
);
int introLength = Convert.ToInt32(Math.Max(1, LoopStart) * frequencyRatio);
Track.GetData(clipData, 0);
IntroClip = AudioClip.Create(
Name + " intro",
introLength,
Channels,
Frequency,
false);
IntroClip.SetData(EnsoHelpers.Slice(clipData, 0, introLength * Channels), 0);
LoopClip = AudioClip.Create(
Name + " loop",
loopLengthSampleCount,
Channels,
Frequency,
false);
int maxSafeLoopLength = clipData.Length - loopStartSampleCount;
LoopClip.SetData(EnsoHelpers.Slice(clipData, loopStartSampleCount,
Math.Min(loopLengthSampleCount * Channels, maxSafeLoopLength)), 0);
}
catch (Exception e)
{
Debug.LogError(string.Format(@"[Enso] An exception occurred when creating and caching the ""{0}"" music clip: {1}", Track.name, e.Message));
throw e;
}
}
// Update is called once per frame
void Update()
{
if (VolumeStatus != VolumeStatuses.Static)
{
if (FadeTimeLeft > 0)
{
FadeTimeLeft -= Time.deltaTime;
}
}
switch (VolumeStatus)
{
case VolumeStatuses.FadingIn:
if (FadeTimeLeft <= 0)
{
OnFadeInComplete();
}
else
{
float t = FadeTimeLeft / MaxFadeTime;
SetSpeakerVolume(OrigFadeVolume + (DestFadeVolume - OrigFadeVolume) * EnsoHelpers.CalculateEqualPowerCrossfade(t, true));
}
break;
case VolumeStatuses.FadingOut:
if (FadeTimeLeft <= 0)
{
OnFadeOutComplete();
}
else
{
float t = FadeTimeLeft / MaxFadeTime;
SetSpeakerVolume(OrigFadeVolume * EnsoHelpers.CalculateEqualPowerCrossfade(t, false));
}
break;
}
}