//given a markov chain, step through the process of creating news notes like a finite-state-machine.
private Dictionary <int, List <GridManager.Notes> > generateMarkovNotes(Dictionary <int, List <GridManager.Notes> > input, Dictionary <GridManager.Notes, ChainLink> markovChain, Dictionary <int, List <GridManager.Notes> > markovNotes)
{
wipeDict(markovNotes);
//int startingBeat = getEndOfInput(input)+4;
int startingBeat = 0;
List <GridManager.Notes> allNotes = getAllNotesOfInput(input);
GridManager.Notes nextNote = allNotes[random.Next(allNotes.Count)];
markovNotes[startingBeat].Add(nextNote);
for (int i = startingBeat + 4; i < markovNotes.Count; i += 4)
{
nextNote = markovChain[nextNote].getNextNote();
if (markovChordProduction)
{
markovNotes[i].Add(nextNote);
if (i % 16 == 0)
{
foreach (GridManager.Notes note in generateChord(nextNote))
{
if (nextNote != note)
{
markovNotes[i].Add(note);
}
}
}
}
else
{
markovNotes[i].Add(nextNote);
}
}
return(markovNotes);
}
//given dictionary to populate and what bar the system is currently on, randomly add and randomly remove notes from the passed dictionary.
private Dictionary <int, List <GridManager.Notes> > generateRandomNotes(Dictionary <int, List <GridManager.Notes> > randomNotes, int bar)
{
int numberOfNotesAdded = 0;
int numberOfNotesRemoved = 0;
System.Random randomNoteChooser = new System.Random();
foreach (KeyValuePair <int, List <GridManager.Notes> > pair in randomNotes)
{
GridManager.Notes newRandomNote = GridManager.Notes.none;
int r = randomNoteChooser.Next(0, 100);
if (pair.Value.Count != 0)
{
if (r > 10)
{
numberOfNotesRemoved += 1;
pair.Value.RemoveAt(0);
}
}
if (r > (Mathf.Max(bar, 20)))
{
numberOfNotesAdded += 1;
newRandomNote = getRandomNoteInKey();
pair.Value.Add(newRandomNote);
}
}
print("Number Of Notes Added: " + numberOfNotesAdded);
print("Number Of Notes Removed: " + numberOfNotesRemoved);
return(randomNotes);
}
//method used to return the sound variables of a vertex.
public void formatVertex(out GridManager.Notes note, out float timing, out float volume, out float length, out string voice)
{
note = getVertexNote();
timing = getVertexTiming();
volume = getVertexVolume();
length = getVertexLength();
voice = "Voice" + getParentsLineManager().getVoice().ToString();
}
public void addToPath(GridManager.Notes newNote)
{
if (!paths.ContainsKey(newNote))
{
paths.Add(newNote, 1f);
}
else
{
paths[newNote] += 1f;
}
}
//method used to call methods to show note boundaries if they have been "passed".
private void noteBoundaryUpdate(GridManager.Notes vertexNote)
{
if (lastVertexNote != GridManager.Notes.none)
{
if (lastVertexNote != vertexNote)
{
gridManager.showNoteBoundaries(lastVertexNote, vertexNote);
}
}
setLastVertexNote(vertexNote);
}
//send a message to the OSC Client
public static void contactSC(GridManager.Notes note, float volume, float length, string voice)
{
if (voice != "None")
{
//OSC Send
List <string> args = new List <string>();
args.Add(volume.ToString());
args.Add(GridManager.noteToFreq[note].ToString());
args.Add(length.ToString());
OSCHandler.Instance.SendMessageToClient("SuperCollider", "/play" + voice, args);
}
}
void Update()
{
//key has been changed and available notes needs to change
if (lastKey != key && key != GridManager.Notes.none)
{
setAvailableNotes();
}
//start playing the master score.
if (playButton)
{
if (coroutine == null)
{
coroutine = StartCoroutine(playInput());
}
}
//play all the available notes.
if (playScaleButton && key != GridManager.Notes.none)
{
StartCoroutine(playScale());
playScaleButton = false;
}
//call the calculate key method.
if (calculateKeyButton)
{
calculateKey();
calculateKeyButton = false;
}
//take the notes in notesToInput, and convert them to GridManager.Notes
if (inputNotes)
{
List <GridManager.Notes> inputAsNotes = convertStringToNotes(notesToInput);
notesToInput = "";
inputNotes = false;
int index = 0;
foreach (GridManager.Notes note in inputAsNotes)
{
if (note != GridManager.Notes.none)
{
masterScore[index].Add(note);
}
index += 4;
}
}
lastKey = key;
}
private List <GridManager.Notes> generateChord(GridManager.Notes note)
{
List <GridManager.Notes> chord = new List <GridManager.Notes>();
chord.Add(note);
if (major)
{
chord.Add((GridManager.Notes)(((int)note) + 4));
chord.Add((GridManager.Notes)(((int)note) + 7));
}
else
{
chord.Add((GridManager.Notes)(((int)note) + 3));
chord.Add((GridManager.Notes)(((int)note) + 7));
}
return(chord);
}
//given an input, harmonize each note at the keys divisble by keysToHarmonise, add those harmonisations to harmonizedInput, and return that.
private Dictionary <int, List <GridManager.Notes> > harmonizeInput(Dictionary <int, List <GridManager.Notes> > input, Dictionary <int, List <GridManager.Notes> > harmonizedInput)
{
int keysToHarmonise = 4;
wipeDict(harmonizedInput);
int[] upperOrLower = new int[2] {
2, -2
};
Dictionary <int, List <GridManager.Notes> > notesToAdd = new Dictionary <int, List <GridManager.Notes> >();
foreach (KeyValuePair <int, List <GridManager.Notes> > pair in input)
{
notesToAdd.Add(pair.Key, new List <GridManager.Notes>());
foreach (GridManager.Notes note in pair.Value)
{
if (pair.Key % keysToHarmonise == 0)
{
try{
int indexInScale = availableNotes.IndexOf(note);
int r = random.Next(upperOrLower.Length);
GridManager.Notes newHarmonizedNote = getNoteFromInt(indexInScale + upperOrLower[r]);
notesToAdd[pair.Key].Add(newHarmonizedNote);
}catch (System.Exception) {
Debug.Log("ERROR: Note does not index in available notes!");
break;
throw;
}
}
}
}
foreach (KeyValuePair <int, List <GridManager.Notes> > pair in notesToAdd)
{
foreach (GridManager.Notes note in pair.Value)
{
harmonizedInput[pair.Key].Add(note);
}
}
return(harmonizedInput);
}
public ChainLink(GridManager.Notes note)
{
mainNote = note;
}
//given a note, play it on Super Collider.
private void playNote(GridManager.Notes note)
{
print(note);
VertexManager.contactSC(note, 0.5f, 0.5f, "VoiceA");
}
public void setLastVertexNote(GridManager.Notes newLastVertexNote)
{
lastVertexNote = newLastVertexNote;
}
public void setVertexNote(GridManager.Notes newVertexNote)
{
vertexNote = newVertexNote;
}