/// <summary>
/// Creates a chord using a string "root type"
/// Examples: CMaj, DbMin7, FSus4
/// </summary>
/// <param name="root">the root note of the chord</param>
/// <param name="type">the type of chord</param>
public void Initialize(string root, string type, LevelManager.Mode mode)
{
Clear();
rootStr = root;
Debug.Log(root + type);
// assign type to chord
this.type = (Type)System.Enum.Parse(typeof(Type), type);
for (int i = 0; i < 4; i++)
{
ledgerLines[i].SetActive(false);
}
// expand chord to get all notes
List <string> expansion = new List <string>();
expansion.Add(root);
switch (type)
{
case "Maj":
expansion.Add(Note.GetInterval(root, 4));
expansion.Add(Note.GetInterval(root, 7));
break;
case "Min":
expansion.Add(Note.GetInterval(root, 3));
expansion.Add(Note.GetInterval(root, 7));
break;
case "Dim":
expansion.Add(Note.GetInterval(root, 3));
expansion.Add(Note.GetInterval(root, 6));
break;
case "Aug":
expansion.Add(Note.GetInterval(root, 4));
expansion.Add(Note.GetInterval(root, 8));
break;
case "Sus2":
expansion.Add(Note.GetInterval(root, 2));
expansion.Add(Note.GetInterval(root, 7));
break;
case "Sus4":
expansion.Add(Note.GetInterval(root, 5));
expansion.Add(Note.GetInterval(root, 7));
break;
case "Maj7":
expansion.Add(Note.GetInterval(root, 4));
expansion.Add(Note.GetInterval(root, 7));
expansion.Add(Note.GetInterval(root, 11));
break;
case "Min7":
expansion.Add(Note.GetInterval(root, 3));
expansion.Add(Note.GetInterval(root, 7));
expansion.Add(Note.GetInterval(root, 10));
break;
case "Dim7":
expansion.Add(Note.GetInterval(root, 3));
expansion.Add(Note.GetInterval(root, 6));
expansion.Add(Note.GetInterval(root, 9));
break;
case "HDim7":
expansion.Add(Note.GetInterval(root, 3));
expansion.Add(Note.GetInterval(root, 6));
expansion.Add(Note.GetInterval(root, 10));
break;
}
// decide which note will be dropped
int missingNote = Random.Range(0, expansion.Count);
int rootOctave = -1;
for (int i = 0; i < expansion.Count; i++)
{
string s = expansion[i];
// decide octaves based on LevelManager's mode
int noteOctave = GetOctave(s, root, rootOctave, this.type < Type.Maj7, mode);
if (root.Equals(s))
{
rootOctave = noteOctave;
}
if (i == missingNote)
{
missingPitchStr = s;
if (s.Contains("#"))
{
s = Note.GetEnharmonic(s);
}
missingPitch = (Note.Pitch)System.Enum.Parse(typeof(Note.Pitch), s);
}
else
{
Note note = Instantiate(notePrefab, transform).GetComponent <Note>();
Debug.Log(s + " " + noteOctave);
note.Initialize(s + noteOctave);
float y = Note.NoteToY((Note.Pitch)System.Enum.Parse(typeof(Note.Pitch), s.ToCharArray()[0].ToString()), noteOctave);
note.transform.localPosition = new Vector3(note.transform.localPosition.x, transform.position.y + y, note.transform.localPosition.z);
notes.Add(note);
// enable ledger lines
if (y >= 4)
{
ledgerLines[0].SetActive(true);
}
if (y >= 3)
{
ledgerLines[1].SetActive(true);
}
if (y <= -3)
{
ledgerLines[2].SetActive(true);
}
if (y <= -4)
{
ledgerLines[3].SetActive(true);
}
}
}
this.root = notes[0];
}
/// <summary>
/// Picks an octave for the note to be in, based on the root, type of chord, and gamemode
/// </summary>
/// <param name="note">the note we are picking an octave for</param>
/// <param name="root">the root of the chord, which may or may not be the same as note</param>
/// <param name="rootOctave">the octave of the root note, which we may or may not know (just pass -1 if we are the root)</param>
/// <param name="is7th">if the chord is a 7th chord</param>
/// <param name="mode">the gamemode</param>
/// <returns>a valid octave for the note</returns>
private static int GetOctave(string note, string root, int rootOctave, bool is7th, LevelManager.Mode mode)
{
char ch = note.ToCharArray()[0];
char r = root.ToCharArray()[0];
bool isRoot = ch == r;
// if we are the root and need the chord to stack
if (isRoot && mode != LevelManager.Mode.Hard)
{
if (ch <= 'B')
{
return(Random.Range(3, 5));
}
else if (ch <= 'D' || (ch <= 'F' && !is7th))
{
return(Random.Range(4, 6));
}
else
{
return(4);
}
}
// else if we need the chord to stack but are not root
else if (!isRoot && mode != LevelManager.Mode.Hard)
{
if (r <= 'B')
{
return(rootOctave + 1);
}
else if (ch < r && ch > 'B')
{
return(rootOctave + 1);
}
else
{
return(rootOctave);
}
}
// if we don't care if the chord is inverted
else
{
if (ch <= 'B')
{
return(Random.Range(3, 6));
}
else if (ch == 'C')
{
return(Random.Range(4, 7));
}
else
{
return(Random.Range(4, 6));
}
}
}
