private void PickNextNote()
{
base.Stop();
chosenPitch = (new Random().Next(maximumPitch - minimumPitch)) + minimumPitch;
// If flats and sharps are disabled, and the chosen pitch is either, drop it by 1 to the nearest natural
if (!GameConfiguration.Sharps && !GameConfiguration.Flats)
{
var position = chosenPitch.PositionInOctave();
if (SharpOctavePositions.Contains(position))
{
chosenPitch--;
}
}
var viewModel = new NoteTrainerViewModel();
viewModel.DisplayNotes.Add(new DisplayNote {
MidiPitch = chosenPitch, State = DisplayNoteState.Neutral
});
ViewModelChangedEvent?.Invoke(this, viewModel);
gameState = GameState.WaitingForInput;
base.Resume();
}
internal void UpdateDisplay(NoteTrainerViewModel trainerViewModel)
{
ClearMusicScore();
var translationMode = Pitch.MidiPitchTranslationMode.Auto;
if (gameConfiguration.Flats && !gameConfiguration.Sharps)
{
translationMode = Pitch.MidiPitchTranslationMode.Flats;
}
else if (gameConfiguration.Sharps && !gameConfiguration.Flats)
{
translationMode = Pitch.MidiPitchTranslationMode.Sharps;
}
foreach (var displayNote in trainerViewModel.DisplayNotes)
{
var staff = (displayNote.MidiPitch >= Midi.Pitch.C4) ? musicScore.FirstStaff : musicScore.SecondStaff;
var scoreNote = new Note(Pitch.FromMidiPitch((int)displayNote.MidiPitch, translationMode), RhythmicDuration.Quarter)
{
IsUpperMemberOfChord = (staff.Elements.Count > 2)
};
switch (displayNote.State)
{
case DisplayNoteState.Correct:
scoreNote.CustomColor = new Color(0, 255, 0, 255);
break;
case DisplayNoteState.Incorrect:
scoreNote.CustomColor = Color.Red;
break;
}
staff.Add(scoreNote);
}
if (musicScore.FirstStaff.Elements.Count == 2)
{
musicScore.FirstStaff.Elements.Add(new Rest(RhythmicDuration.Quarter));
}
if (musicScore.SecondStaff.Elements.Count == 2)
{
musicScore.SecondStaff.Elements.Add(new Rest(RhythmicDuration.Quarter));
}
}
private void CheckPressedKeys()
{
bool correctKeyPressed = false;
int incorrectKeys = 0;
var viewModel = new NoteTrainerViewModel();
foreach (KeyboardKey key in keyboardState.DepressedKeys)
{
if (key.MidiPitch.Equals(chosenPitch))
{
viewModel.DisplayNotes.Add(new DisplayNote {
MidiPitch = key.MidiPitch, State = DisplayNoteState.Correct
});
correctKeyPressed = true;
}
else
{
viewModel.DisplayNotes.Add(new DisplayNote {
MidiPitch = key.MidiPitch, State = DisplayNoteState.Incorrect
});
incorrectKeys++;
}
}
if (!correctKeyPressed)
{
viewModel.DisplayNotes.Insert(0, new DisplayNote {
MidiPitch = chosenPitch, State = DisplayNoteState.Neutral
});
}
ViewModelChangedEvent?.Invoke(this, viewModel);
if (correctKeyPressed && incorrectKeys == 0)
{
gameState = GameState.ProceedToNext;
ResetTimer();
}
}
private void Game_ViewModelChangedEvent(object sender, NoteTrainerViewModel trainerViewModel)
{
Dispatcher.Invoke(new Action <NoteTrainerViewModel>(UpdateDisplay), trainerViewModel);
}