internal void removeFromEnd(Duration duration)
{
while (duration > 0)
{
MusicItem mi = musicItemList[musicItemList.Count - 1];
if (mi.getDuration() <= duration)
{
musicItemList.RemoveAt(musicItemList.Count - 1);
duration -= mi.getDuration();
}
else
{
mi.shortenDurationFromEnd(duration);
duration = 0;
}
}
}
internal void removeFromBeginning(Duration duration)
{
while (duration > 0)
{
MusicItem mi = musicItemList[0];
if (mi.getDuration() <= duration)
{
musicItemList.RemoveAt(0);
duration -= mi.getDuration();
}
else
{
mi.shortenDurationFromBeginning(duration);
duration = 0;
}
}
}
public List <Duration> getNotesStart(bool getSilences)
{
List <Duration> notes = new List <Duration>();
Duration noteStart = 0;
for (int i = 0; i < musicItemList.Count; i++)
{
MusicItem mi = musicItemList[i];
if (getSilences || !mi.isSilence())
{
notes.Add(noteStart);
}
noteStart += mi.getDuration();
}
return(notes);
}
internal void interpolate(Tonality tonality)
{
int percentage = RNG.generate(10, 50);
List <int> nonSilentNotes = getNonSilentNotes();
int number = Math.Max(percentage * nonSilentNotes.Count / 100, 1);
for (int i = 0; i < number; i++)
{
int element = RNG.generate(0, nonSilentNotes.Count - 1);
MusicItem mi = musicItemList[nonSilentNotes[element]];
int newNotePitch = Note.convertToClosestPitch(mi.pitchMean(), tonality.getRandomPitchFromScale(70));
/*
* SplitNote = true: Divide note length by half and add a random note after it
* SplitNote = false: Substitute a silence with a random note.
*/
bool splitNote = true;
if (element != musicItemList.Count - 1 && musicItemList[nonSilentNotes[element] + 1].isSilence() && RNG.generateBool())
{
splitNote = false;
}
if (splitNote)
{
mi.changeDuration(new Duration(1, 2));
musicItemList.Insert(nonSilentNotes[element] + 1, new Note(newNotePitch, mi.getDuration()));
}
else
{
musicItemList[nonSilentNotes[element] + 1] = new Note(newNotePitch, musicItemList[nonSilentNotes[element] + 1].getDuration());
}
nonSilentNotes = getNonSilentNotes();
}
}