private static int FillFretNumbers(int[][] fretNumbers, Guitar guitar, int stringNumber, DiatonicScale scale)
{
int fretNumber = 0;
int minFretNumber = fretNumber;
int maxFretNumber = fretNumber;
using (IEnumerator <Interval> intervalEnumerator = scale.GetIntervalsAscending().GetEnumerator())
{
for (var i = 0; i < fretNumbers.Length; i++)
{
for (var j = 0; j < fretNumbers[i].Length; j++)
{
fretNumbers[i][j] = fretNumber;
if (fretNumber > maxFretNumber)
{
maxFretNumber = fretNumber;
}
intervalEnumerator.MoveNext();
fretNumber += intervalEnumerator.Current.Semitones;
}
if (stringNumber < guitar.StringIntervals.Count)
{
fretNumber -= guitar.StringIntervals[stringNumber].Semitones;
if (fretNumber < minFretNumber)
{
minFretNumber = fretNumber;
}
}
stringNumber++;
}
}
if (minFretNumber < 0)
{
ShiftFretNumbers(fretNumbers, -minFretNumber);
maxFretNumber -= minFretNumber;
}
return(maxFretNumber);
}
