/// <summary>
/// returns the next lower masternotetype to the given masternote type
/// </summary>
/// <param name="masterNoteType"></param>
/// <returns></returns>
private MasterNoteType GetNextLowerNoteType(MasterNoteType masterNoteType)
{
if (masterNoteType == _masterNote.MasterNoteType)
{
return(_masterNote.StepDown.Lower.MasterNoteType);
}
else
{
_masterNote = _masterNote.StepDown.Lower;
return(GetNextLowerNoteType(masterNoteType));
}
}
private int GetStepCountBetween(MasterNoteType lowerNoteType, MasterNoteType upperNoteType)
{
GetMasterNote(lowerNoteType);
int stepCount = 0;
while (_masterNote.MasterNoteType != upperNoteType)
{
stepCount += (int)_masterNote.StepUp.StepType;
_masterNote = _masterNote.StepUp.Upper;
}
return(stepCount);
}
/// <summary>
/// returns the next upper masternotetype to the given masternote type
/// </summary>
/// <param name="masterNoteType"></param>
/// <returns></returns>
private MasterNoteType GetNextUpperNoteType(MasterNoteType masterNoteType)
{
if (masterNoteType == _masterNote.MasterNoteType)
{
return(_masterNote.StepUp.Upper.MasterNoteType);
}
else
{
_masterNote = _masterNote.StepUp.Upper;
return(GetNextUpperNoteType(masterNoteType));
}
}
public Interval GetIntervalUp(Note lowerNote, IntervalType intervalType)
{
//initialize master note carousel...
GetMasterNote(lowerNote.MasterNoteType);
//turn, turn, turn
for (int i = 0; i < (int)intervalType.MasterIntervalType; i++)
{
_masterNote = _masterNote.StepUp.Upper;
}
//NoteType of resulting masternote is the note we want.
Note upperNote = new Note(_masterNote.MasterNoteType);
//Calculate Accidentials
int availableSteps = GetStepCountBetween(lowerNote.MasterNoteType, upperNote.MasterNoteType);
int requiredSteps = intervalType.HalfStepCount;
int resultingAccidentials = requiredSteps - (availableSteps - (int)lowerNote.Accidentials);
upperNote.Accidentials = (Accidentials)resultingAccidentials;
return(new Interval(lowerNote, upperNote));
}
public MasterNoteRow()
{
//A
MasterNote masterNoteA = new MasterNote(MasterNoteType.A);
_masterNote = masterNoteA;
//B
MasterNote masterNoteB = new MasterNote(MasterNoteType.B);
//A -- B
Step stepAB = new Step(StepType.WholeStep);
stepAB.Lower = masterNoteA;
stepAB.Upper = masterNoteB;
masterNoteA.StepUp = stepAB;
masterNoteB.StepDown = stepAB;
//C
MasterNote masterNoteC = new MasterNote(MasterNoteType.C);
//B - C
Step stepBC = new Step(StepType.HalfStep);
stepBC.Lower = masterNoteB;
stepBC.Upper = masterNoteC;
masterNoteB.StepUp = stepBC;
masterNoteC.StepDown = stepBC;
//D
MasterNote masterNoteD = new MasterNote(MasterNoteType.D);
//C -- D
Step stepCD = new Step(StepType.WholeStep);
stepCD.Lower = masterNoteC;
stepCD.Upper = masterNoteD;
masterNoteC.StepUp = stepCD;
masterNoteD.StepDown = stepCD;
//E
MasterNote masterNoteE = new MasterNote(MasterNoteType.E);
//D -- E
Step stepDE = new Step(StepType.WholeStep);
stepDE.Lower = masterNoteD;
stepDE.Upper = masterNoteE;
masterNoteD.StepUp = stepDE;
masterNoteE.StepDown = stepDE;
//F
MasterNote masterNoteF = new MasterNote(MasterNoteType.F);
//E - F
Step stepEF = new Step(StepType.HalfStep);
stepEF.Lower = masterNoteE;
stepEF.Upper = masterNoteF;
masterNoteE.StepUp = stepEF;
masterNoteF.StepDown = stepEF;
//G
MasterNote masterNoteG = new MasterNote(MasterNoteType.G);
//F -- G
Step stepFG = new Step(StepType.WholeStep);
stepFG.Lower = masterNoteF;
stepFG.Upper = masterNoteG;
masterNoteF.StepUp = stepFG;
masterNoteG.StepDown = stepFG;
//G -- A
Step stepGA = new Step(StepType.WholeStep);
stepGA.Lower = masterNoteG;
stepGA.Upper = masterNoteA;
masterNoteG.StepUp = stepGA;
masterNoteA.StepDown = stepGA;
}