/// <summary>
/// Generates a list of chords by pulling the live cells from the underlying TokenGroup with the current NoteGroup parameters.
/// </summary>
private void InitChordsFromTokenGroup()
{
Chords = new List<Chord>();
// Grab all of the cells from the token group that are within the specified left and right bounds.
// Then, sort them so that notes played first are nearest to the zero index.
// Need to find the pop index of the farthest right cell for use with the set right bound.
int rightmostPop = _tokenGroup.Cells.Max(x => x[0]);
List<int[]> validCells = new List<int[]>(_tokenGroup.Cells.Where(x => x[0] >= _leftBound && x[0] < rightmostPop-_rightBound));
validCells.Sort((cell1, cell2) => cell1[0].CompareTo(cell2[0]));
// Iterate through the cells, joining cells w/ the same population index into the same Chord, adding them to the Chord list.
// Set the beginning beat & duration of each chord/note as appropriate to the beat # of the song, by the parameters set for this NG.
// Also, "shift" cells over by the first cell[0] so that groups modified by the left bound will still start on beat 0.
// ALSO, skip the first n notes the first time through, where n is the value of the Horizontal Offset.
double currentTotalBeat = 0; // The actual beat counter for the song.
Chord currentChord = new Chord(new List<Note>(), 0); // The first chord of every NG starst at beat 0.
if (validCells.Count == 0)
return;
List<int[]> horizOffsetCells = new List<int[]>();
if (HorizOffset > 0)
{
int startRangeIndex = HorizOffset%validCells.Count;
horizOffsetCells.AddRange(validCells.GetRange(startRangeIndex, validCells.Count - startRangeIndex));
validCells.RemoveRange(startRangeIndex, validCells.Count - startRangeIndex);
}
float cellOffset = validCells[0][0];
// Keep going until we've added enough chords for the duration of the entire "song".
while (currentTotalBeat < SongDuration)
{
double currentPatternBeat = 0; // The current beat in a single run-through of the pattern.
foreach (int[] cell in validCells)
{
// Adjust the start beat of the note by the left bounds, so the pattern starts at beat zero.
float startBeat = (cell[0] - cellOffset);
// If we're finished with the current chord, make a new one.
if (startBeat*_noteDuration > currentPatternBeat)
{
currentPatternBeat = startBeat*_noteDuration;
// Go directly to jail. Do not pass Go, do not collect $200.
if (currentTotalBeat + currentPatternBeat > SongDuration)
return;
Chords.Add(new Chord(currentChord.Notes, currentChord.StartBeat));
currentChord = new Chord(new List<Note>(), (float)(currentPatternBeat+currentTotalBeat)); // Note: I hope this cast doesn't bite me in the ass.
}
// Add a new note to the chord with the correct pitch, duration, and on the correct beat. Adjust the pitch by the vertical shift, wrapping
// around if necessary.
// Also add the "current" beat to it to allow for repitition if this isn't the first time through the while loop.
currentChord.Notes.Add(new Note(_scale[Utilities.Mod(cell[1] + _vertOffset, _scale.Length)],
_noteDuration, currentPatternBeat+currentTotalBeat));
}
// Add that last chord to the song, since we're repeating.
Chords.Add(new Chord(currentChord.Notes, currentChord.StartBeat)); // NOTE: Deadly copypasta
// We've made a full pass through the cells of the TokenGroup, so add on the repetition delay to the current beat, and go back to see if we should
// cycle back through the cells again.
currentTotalBeat += currentPatternBeat + _noteDuration + _repetitionInterval;
currentChord = new Chord(new List<Note>(), (float)currentTotalBeat); // Set the next chord to be made to the current total beat
if (horizOffsetCells.Count != 0)
{
validCells.InsertRange(0, horizOffsetCells);
horizOffsetCells.Clear();
}
}
}
private void PlayChord(Chord chord)
{
// Spawn a new thread to play each note. This way the notes in a chord don't all have to have the same duration.
for (int i = 0; i < chord.Notes.Count; i++)
{
Note note = chord.Notes[i];
_sineWaveProviders[(int)note.Pitch].Amplitude = _defaultPitchAmp;
_notesBeingPlayed.Add(new PlayedNote(note, _currentBeat + note.Duration));
//Console.WriteLine("On" + " " + _pitchUsageCounters[(int)note.Pitch]);
}
// Console.WriteLine(DateTime.Now);
//Console.WriteLine("\n");
}