public ChordSegment(Key key, ChordSegment previousChordSegment, BeatEvent beat, byte lowestPitch)
{
Key = key;
PreviousChordSegment = previousChordSegment;
Beat = beat;
NotesInLevel2Beats = new NotesInSegment(beat.AbsoluteRealTime, beat.Length, lowestPitch);
BestPrevious = new int[24];
Scores = new double[24];
BaseScores = new double[24];
}
private void AddNotesToSegments()
{
var current = 0;
var notes = _midi.EventsOfType <NoteOn>().Where(n => !n.IsPercussion && n.Volume > 0).OrderBy(n => n.AbsoluteRealTime);
foreach (var note in notes)
{
// while the segment does not contain this note
while (_segments[current].Beat.AbsoluteRealTime + _segments[current].Beat.Length <= note.AbsoluteRealTime)
{
current++;
}
for (var span = current; span < _segments.Length && _segments[span].Beat.AbsoluteRealTime < note.End; span++)
{
_segments[span].AddNote(note);
}
}
var notesInLevel0 = new NotesInSegment(TimeSpan.Zero, TimeSpan.Zero, _lowestPitch);
var notesInLevel1 = new NotesInSegment(TimeSpan.Zero, TimeSpan.Zero, _lowestPitch);
foreach (var segment in _segments)
{
if (segment.Beat.Level == 1 || segment.Beat.Level == 0)
{
notesInLevel1.ComputeScores(true);
notesInLevel1 = new NotesInSegment(segment.Beat.AbsoluteRealTime, TimeSpan.Zero, _lowestPitch);
}
if (segment.Beat.Level == 0)
{
notesInLevel0.ComputeScores(false);
notesInLevel0 = new NotesInSegment(segment.Beat.AbsoluteRealTime, TimeSpan.Zero, _lowestPitch);
}
segment.NotesInLevel0Beats = notesInLevel0;
segment.NotesInLevel1Beats = notesInLevel1;
notesInLevel0.Join(segment.NotesInLevel2Beats);
notesInLevel1.Join(segment.NotesInLevel2Beats);
}
notesInLevel0.ComputeScores(false);
notesInLevel1.ComputeScores(true);
}