/// <summary>
/// For a given flashcard, make a lilypond-compatible string that can be
/// used to render the flashcard.
/// </summary>
/// <param name="flashcard">The flashcard to render.</param>
/// <returns>A lilypond script.</returns>
public static string MakeLilypondScript(Flashcard flashcard)
{
var leftHandNotes = flashcard.StaffNotes
.Where(sn => sn.Staff == Staff.LeftHand)
.OrderBy(sn => sn.NoteRepresentation.Note.Number)
.Select(sn => ConvertStaffNoteToLilypondNote(sn))
.ToArray();
string leftHandString;
if (leftHandNotes.Any())
leftHandString = String.Format("<{0}>", String.Join(" ", leftHandNotes));
else
leftHandString = "r4";
var rightHandNotes = flashcard.StaffNotes
.Where(sn => sn.Staff == Staff.RightHand)
.OrderBy(sn => sn.NoteRepresentation.Note.Number)
.Select(sn => ConvertStaffNoteToLilypondNote(sn))
.ToArray();
string rightHandString;
if (rightHandNotes.Any())
rightHandString = String.Format("<{0}>", String.Join(" ", rightHandNotes));
else
rightHandString = "r4";
return String.Format(LP_FORMAT, rightHandString, leftHandString);
}
public static FlashcardResult Missed(Flashcard card)
{
return new FlashcardResult(card, FlashcardResultType.Missed);
}
public static FlashcardResult Incorrect(Flashcard card, DateTime flashcardStartTime)
{
return new FlashcardResult(card, FlashcardResultType.Incorrect, flashcardStartTime);
}
private FlashcardResult(Flashcard card, FlashcardResultType resultType, DateTime? flashcardStartTime = null)
{
ResultType = resultType;
if(flashcardStartTime.HasValue)
ResponseTime = (DateTime.Now - flashcardStartTime.Value).Ticks;
}
public FlashcardEventArgs(Flashcard flashcard)
{
Flashcard = flashcard;
}
/// <summary>
/// Play the notes from a flashcard through the output device.
/// </summary>
/// <param name="f"></param>
private void PlayFlashcard(Flashcard f)
{
ChannelMessageBuilder cbm = new ChannelMessageBuilder();
cbm.Command = ChannelCommand.NoteOn;
cbm.Data2 = 75;
cbm.MidiChannel = 0;
cbm.Build();
cbm.Command = ChannelCommand.NoteOff;
var onMessages = new ChannelMessage[f.StaffNotes.Length];
var offMessages = new ChannelMessage[f.StaffNotes.Length];
for (var i = 0; i < f.StaffNotes.Length; i++)
{
cbm.Data1 = f.StaffNotes[i].NoteRepresentation.Note.MIDINumber;
cbm.Command = ChannelCommand.NoteOn;
cbm.Build();
onMessages[i] = cbm.Result;
cbm.Command = ChannelCommand.NoteOff;
cbm.Build();
offMessages[i] = cbm.Result;
}
var t = new Timer(500) { AutoReset = false };
t.Elapsed += (s, a) => Array.ForEach(offMessages, m => _outputDevice.Send(m));
Array.ForEach(onMessages, m => _outputDevice.Send(m));
t.Start();
}
/// <summary>
/// Advance to the next flashcard.
/// </summary>
private void GotoNextFlashcard()
{
var f = _flashcardSource.Next();
_currentFlashcard = f;
// populate the response dictionary with the notes in the flashcard
// and a False value so they can be checked off as they are received.
_currentResponse.Clear();
foreach (var sn in f.StaffNotes)
_currentResponse.Add(sn.NoteRepresentation.Note, false);
_currentFlashcardStartTime = DateTime.Now;
GameMode = Lightspeed.GameMode.InFlashcard;
_flashcardTimer.Start();
if (NextFlashcard != null)
NextFlashcard(this, new FlashcardEventArgs(_currentFlashcard));
}
