internal void harmonizate(Tonality tonality)
{
int[] scale = tonality.getScale();
for (int i = 0; i < this.musicItemList.Count; i++)
{
MusicItem mi = musicItemList[i];
if (mi.isChord())
{
continue;
}
Note high = (Note)mi;
Chord chord = new Chord();
chord.add(high);
int found = 0;
int pitch = high.getPitch() - 2; // Substracting 2 to avoid 2-intervals
while (found < 2 && pitch > 0)
{
pitch--;
if (tonality.isinTriad(pitch))
{
chord.add(new Note(pitch, high.getDuration()));
found++;
}
}
musicItemList[i] = chord;
}
}
public List <int> getNonSilentNotes()
{
List <int> nonSilentNotes = new List <int>();
for (int i = 0; i < musicItemList.Count; i++)
{
MusicItem mi = musicItemList[i];
if (!mi.isSilence())
{
nonSilentNotes.Add(i);
}
}
return(nonSilentNotes);
}
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 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;
}
}
}
private int getDisonance(MusicItem mi1, MusicItem mi2)
{
if (mi1.isSilence() || mi2.isSilence())
{
return(0);
}
Chord a, b;
if (mi1.isChord())
{
a = (Chord)mi1;
}
else
{
a = new Chord();
a.add((Note)mi1);
}
if (mi2.isChord())
{
b = (Chord)mi2;
}
else
{
b = new Chord();
b.add((Note)mi2);
}
int totalDisonance = 0;
for (int i = 0; i < a.size(); i++)
{
for (int j = 0; j < b.size(); j++)
{
totalDisonance += getDisonance(a.get(i), b.get(j));
}
}
return(totalDisonance / (a.size() * b.size()));
}
internal void ornamentation(int pitch)
{
List <MusicItem> oldList = this.musicItemList;
this.musicItemList = new List <MusicItem>();
foreach (MusicItem mi in oldList)
{
if (mi.isSilence())
{
musicItemList.Add(mi);
continue;
}
mi.changeDuration(new Duration(1, 3));
musicItemList.Add(mi.Clone());
MusicItem aux = mi.Clone();
aux.transport(pitch);
musicItemList.Add(aux);
musicItemList.Add(mi.Clone());
}
}
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();
}
}
public void add(MusicItem musicItem)
{
this.musicItemList.Add(musicItem);
}