public ChordManager()
{
//http://johncomino.tripod.com/const.htm
ChordDefinitions = new List <ChordDefinition>();
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Major, "Major", "Maj", "", new int[] {
(int)IntervalType.i01_1_Prime,
(int)IntervalType.i05_3_MajorThird_DiminishedFourth,
(int)IntervalType.i08_5_PerfectFifth
}));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Minor, "Minor", "Min", "m", new int[] {
(int)IntervalType.i01_1_Prime, (int)IntervalType.i04_b3_MinorThird, (int)IntervalType.i08_5_PerfectFifth
}));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Augmented, "Augmented", "Aug", "aug", new int[] {
(int)IntervalType.i01_1_Prime,
(int)IntervalType.i05_3_MajorThird_DiminishedFourth,
(int)IntervalType.i09_b6_AugmentedFifth_MinorSixth
}));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Diminished, "Diminished", "Dim", "dim", new int[] { 1, 4, 7 }));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Diminished, "Diminished Seventh", "Dim7", "dim7", new int[] { 1, 4, 7, 10 }));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Diminished, "Half Diminished Seventh", "HalfDim7", "1/2dim7", new int[] { 1, 4, 7, 11 }));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Minor, "Minor Seventh", "Min7", "m7", new int[] { 1, 4, 8, 11 }));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Minor, "Minor Major Seventh", "mM7", "m(M7)", new int[] { 1, 4, 8, 12 }));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Augmented, "Augmented Seventh", "Aug7", "aug7", new int[] { 1, 5, 9, 11 }));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Augmented, "Augmented Ninth", "Aug9", "aug9", new int[] {
(int)IntervalType.i01_1_Prime,
(int)IntervalType.i05_3_MajorThird_DiminishedFourth,
(int)IntervalType.i09_b6_AugmentedFifth_MinorSixth,
(int)IntervalType.i11_b7_AugmentedSixth_MinorSeventh,
(int)IntervalType.i02_b2_MinorSecond
}));
//TODO: special cases: C7 in open position drops 5th interval (8) in 1,5,8,11
var dom7 = new ChordDefinition(ChordGroup.Dominant7th, "Dominant Seventh", "Dom7", "7", new int[] { 1, 5, 8, 11 });
//var dom7Variation = new ChordDefinitionVariation { VariationNote = Note.C, RemovedIntervals = new int[] { (int)IntervalType.i08_5_PerfectFifth }.ToList() };
//hack because sharpkit not allowing int .ToList on safari
var dom7Variation = new ChordDefinitionVariation {
VariationNote = Note.C
};
var removedIntervals = new int[] { (int)IntervalType.i08_5_PerfectFifth };
dom7Variation.RemovedIntervals = new List <int>();
for (int i = 0; i < removedIntervals.Length; i++)
{
dom7Variation.RemovedIntervals.Add(removedIntervals[i]);
}
dom7.PerNoteVariations = new List <ChordDefinitionVariation>();
dom7.PerNoteVariations.Add(dom7Variation);
ChordDefinitions.Add(dom7);
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Major, "Major Seventh", "Maj7", "Maj7", new int[] { 1, 5, 8, 12 }));
ChordDefinitions.Add(new ChordDefinition(ChordGroup.Augmented, "Augmented Major Seventh", "AugMaj7", "aug M7", new int[] { 1, 5, 9, 12 }));
}
public List <Note> GetChordNotes(Note rootNote, string chordType, int startingFretPos)
{
List <Note> notes = new List <Note>();
try
{
ChordDefinition chord = ChordDefinitions.First(c => c.Name == chordType || c.ShortName == chordType);
List <int> intervalList = chord.IntervalList.ToList();
//check for chord variation specific to this root note
if (chord.PerNoteVariations != null && chord.PerNoteVariations.Any(v => v.VariationNote == rootNote && v.StartingFretPos == startingFretPos))
{
var variation = chord.PerNoteVariations.First(v => v.VariationNote == rootNote);
if (variation.RemovedIntervals != null)
{
foreach (int removedInterval in variation.RemovedIntervals)
{
intervalList.Remove(removedInterval);
}
}
if (variation.AddedIntervals != null)
{
foreach (int addedInterval in variation.AddedIntervals)
{
intervalList.Add(addedInterval);
}
}
}
for (int i = 0; i < intervalList.Count; i++)
{
int intervalPos = intervalList[i] - 1;
int noteIndex = intervalPos + (int)rootNote;
if (noteIndex >= 12)
{
noteIndex = noteIndex - 12;
}
Note n = (Note)noteIndex;
notes.Add(n);
}
}
catch (Exception)
{
System.Diagnostics.Debug.WriteLine("Chord Name Not Found");
}
return(notes);
}
