/**<summary>Reset this sound so that it will play from the start.</summary>*/
public void Reset()
{
BeatCollection.Enumerator = BeatCollection.GetEnumerator();
ByteInterval = 0;
if (Metronome.GetInstance().IsSilentInterval)
{
SetSilentInterval(Metronome.GetInstance().AudibleInterval, Metronome.GetInstance().SilentInterval);
}
if (Metronome.GetInstance().IsRandomMute)
{
randomMuteCountdown = null;
currentlyMuted = false;
}
if (Layer.Offset > 0)
{
SetOffset(
BeatCell.ConvertFromBpm(Layer.Offset, this)
);
}
// TODO: hihat open settings
HiHatOpenIsMuted = false;
//HiHatMuteInitiated = false;
HiHatCycleToMute = 0;
cycle = 0;
// will first muting occur for first sound?
SetInitialMuting();
// set stream back to start.
Position = 0;
}
public SourceBeatCollection(Layer layer, double[] beats, IStreamProvider src)
{
Layer = layer;
Beats = beats.Select((x) => BeatCell.ConvertFromBpm(x, src)).ToArray();
Enumerator = GetEnumerator();
isWav = src.WaveFormat.AverageBytesPerSecond == 64000;
}
protected double SilentIntervalRemainder; // fractional portion
/**<summary>Sets the silent interval.</summary>
* <param name="audible">Number of quarter notes audible.</param>
* <param name="silent">Number of quarter notes silent.</param>
*/
public void SetSilentInterval(double audible, double silent)
{
AudibleInterval = BeatCell.ConvertFromBpm(audible, this);
SilentInterval = BeatCell.ConvertFromBpm(silent, this);
currentSlntIntvl = (int)AudibleInterval - InitialOffset;
SilentIntervalRemainder = audible - currentSlntIntvl + OffsetRemainder;
}
protected bool HiHatOpenIsMuted = false; // an open hihat sound was muted so currenthihatduration should not be increased by closed sounds being muted.
public void SetSilentInterval(double audible, double silent)
{
AudibleInterval = BeatCell.ConvertFromBpm(audible, this) * 4;
SilentInterval = BeatCell.ConvertFromBpm(silent, this) * 4;
currentSlntIntvl = (int)AudibleInterval - initialOffset - 4;
SilentIntervalRemainder = audible - currentSlntIntvl + offsetRemainder;
SetInitialMuting();
}
/** <summary>Set the offset for this layer.</summary>
* <param name="offset">Quarter notes to offset by.</param> */
public void SetOffset(double offset)
{
Offset = offset;
foreach (IStreamProvider src in AudioSources.Values)
{
double current = src.GetOffset();
double add = BeatCell.ConvertFromBpm(offset, src);
src.SetOffset(current + add);
}
//// set for pitch / base source
if (BasePitchSource != default(PitchStream))
{
double current3 = BasePitchSource.GetOffset();
double add3 = BeatCell.ConvertFromBpm(offset, BasePitchSource);
BasePitchSource.SetOffset(current3 + add3);
}
}
/**<summary>Reset state to default values.</summary>*/
public void Reset()
{
freqEnum.Reset(); //= Frequencies.Values.GetEnumerator();
BeatCollection.Enumerator = BeatCollection.GetEnumerator();
ByteInterval = 0;
previousSample = 0;
Gain = Volume;
if (Metronome.GetInstance().IsSilentInterval)
{
SetSilentInterval(Metronome.GetInstance().AudibleInterval, Metronome.GetInstance().SilentInterval);
}
if (Metronome.GetInstance().IsRandomMute)
{
randomMuteCountdown = null;
currentlyMuted = false;
}
if (Layer.Offset > 0)
{
SetOffset(
BeatCell.ConvertFromBpm(Layer.Offset, this)
);
}
}
/** <summary>Set an audible/silent interval.</summary>
* <param name="audible">The value in quarter notes that a beat plays audibly.</param>
* <param name="silent">The value in quarter notes that a beat is silenced.</param> */
public void SetSilentInterval(string audible, string silent)
{
SetSilentInterval(BeatCell.Parse(audible), BeatCell.Parse(silent));
}
/**<summary>Add a frequency to the frequency enumerator que.</summary>
* <param name="cell">The cell that uses the pitch.</param>
* <param name="symbol">The pitch symbol. ex. A4</param>
*/
public void SetFrequency(string symbol, BeatCell cell)
{
Frequencies.Add(cell, ConvertFromSymbol(symbol));
freqEnum = Frequencies.Values.GetEnumerator();
}
/** <summary>Set the beat collections for each sound source.</summary>
* <param name="Beat">The cells to process</param>
*/
public void SetBeatCollectionOnSources(List <BeatCell> Beat)
{
List <IStreamProvider> completed = new List <IStreamProvider>();
// for each beat, iterate over all beats and build a beat list of values from beats of same source.
for (int i = 0; i < Beat.Count; i++)
{
List <double> cells = new List <double>();
double accumulator = 0;
// Once per audio source
if (completed.Contains(Beat[i].AudioSource))
{
continue;
}
// if selected beat is not first in cycle, set it's offset
if (i != 0)
{
double offsetAccumulate = Offset;
for (int p = 0; p < i; p++)
{
offsetAccumulate += Beat[p].Bpm;
}
Beat[i].AudioSource.SetOffset(BeatCell.ConvertFromBpm(offsetAccumulate, Beat[i].AudioSource));
}
// iterate over beats starting with current one. Aggregate with cells that have the same audio source.
for (int p = i; ; p++)
{
if (p == Beat.Count)
{
p = 0;
}
if (Beat[p].AudioSource == Beat[i].AudioSource)
{
// add accumulator to previous element in list
if (cells.Count != 0)
{
cells[cells.Count - 1] += accumulator;
accumulator = 0f;
}
cells.Add(Beat[p].Bpm);
}
else
{
accumulator += Beat[p].Bpm;
}
// job done if current beat is one before the outer beat.
if (p == i - 1 || (i == 0 && p == Beat.Count - 1))
{
cells[cells.Count - 1] += accumulator;
break;
}
}
completed.Add(Beat[i].AudioSource);
Beat[i].AudioSource.BeatCollection = new SourceBeatCollection(this, cells.ToArray(), Beat[i].AudioSource);
}
// do any initial muting, includes hihat timings
AudioSources.Values.ToList().ForEach(x => x.SetInitialMuting());
}
/** <summary>Set the offset for this layer.</summary>
* <param name="offset">Beat code value to offset by.</param> */
public void SetOffset(string offset)
{
double os = BeatCell.Parse(offset);
SetOffset(os);
}
