/// <summary>
/// Process the data stored in fTckDataTable, creating the items in fNotes.
/// </summary>
private void InitializeSceneItems()
{
var auxiliarTable = new GtSceneGuitarNote[6];
var endPosition = new BeatTick(fTickDataTable.NumberOfBeats, 470);
for (var pos = new BeatTick(1, 0); pos <= endPosition; pos = pos.AddTicks(10))
{
var tickData = fTickDataTable[pos.Beat, pos.Tick];
SetSceneGuitarNote(ref auxiliarTable, 1, tickData.String1, pos);
SetSceneGuitarNote(ref auxiliarTable, 2, tickData.String2, pos);
SetSceneGuitarNote(ref auxiliarTable, 3, tickData.String3, pos);
SetSceneGuitarNote(ref auxiliarTable, 4, tickData.String4, pos);
SetSceneGuitarNote(ref auxiliarTable, 5, tickData.String5, pos);
SetSceneGuitarNote(ref auxiliarTable, 6, tickData.String6, pos);
if (tickData.IsEndTick)
{
AddNewNoteWhenExists(ref auxiliarTable, 1);
AddNewNoteWhenExists(ref auxiliarTable, 2);
AddNewNoteWhenExists(ref auxiliarTable, 3);
AddNewNoteWhenExists(ref auxiliarTable, 4);
AddNewNoteWhenExists(ref auxiliarTable, 5);
AddNewNoteWhenExists(ref auxiliarTable, 6);
}
}
}
virtual protected bool CheckIfNoteIsPlaying(GtSceneGuitarNote pSceneGuitarNote)
{
int qtd = PlayingNotes.Where(p =>
(p.Value == pSceneGuitarNote.NoteValue) &&
(p.Number == pSceneGuitarNote.NoteNumber)).Count();
return(qtd == 1);
}
/// <summary>
/// Create a new GtSceneGuitarNote when needed, and update the EndPosition.
/// </summary>
/// <param name="pAuxiliarTable">Used to keep the references for the recently created GtSceneGuitarNote not ended until now</param>
/// <param name="pString">String number (1..6)</param>
/// <param name="pFret">Fret number</param>
/// <param name="pCurrentPosition">Current position - the note still playing in this position</param>
private void SetSceneGuitarNote(ref GtSceneGuitarNote[] pAuxiliarTable, int pString, int?pFret, BeatTick pCurrentPosition)
{
var position = pCurrentPosition;
if (pFret != null)
{
if (pAuxiliarTable[pString - 1] == null)
{
//if (!tickData.IsStartTick)
// throw ...
pAuxiliarTable[pString - 1] = new GtSceneGuitarNote(position, position, pString, (int)pFret);
}
pAuxiliarTable[pString - 1].EndPosition = position;
}
}
public bool NoteIsPlaying(GtSceneGuitarNote pSceneGuitarNote)
{
//return true; //teste
var fft = this.AudioListener.FftData;
//if FFT is not invalid (all zero) update the PlayingNotes list.
if (fft.Where(p => p != 0).Count() > 0)
{
//transform the FFT into a list of musical notes.
PlayingNotes = this.SpectrumAnalyzer.GetMusicalNotes(fft);
this.SpectrumAnalyzer.DeleteUnusefulNotes(ref PlayingNotes);
}
//query the LastQueriedPlayedNoteslist looking for the pSceneGuitarNote
if (CheckIfNoteIsPlaying(pSceneGuitarNote))
{
MusicalNoteAndTimeStamp playedNote = LastQueriedPlayedNotes.Where(p =>
(p.MusicalNote.Value == pSceneGuitarNote.NoteValue) &&
(p.MusicalNote.Number == pSceneGuitarNote.NoteNumber)).FirstOrDefault();
if (playedNote != null)
{
playedNote.TimeStamp = this.Factory.Clock.CurrentDateTime;
}
else
{
playedNote = new MusicalNoteAndTimeStamp();
playedNote.MusicalNote = new MusicalNote(pSceneGuitarNote.NoteValue.ToString() + pSceneGuitarNote.NoteNumber.ToString());
playedNote.TimeStamp = this.Factory.Clock.CurrentDateTime;
this.LastQueriedPlayedNotes.Add(playedNote);
}
return(true);
}
bool noteFound = false;
for (int i = LastQueriedPlayedNotes.Count - 1; i >= 0; i--)
{
var playedNote = LastQueriedPlayedNotes[i];
//Delete all expired items
if (playedNote.TimeStamp.AddMilliseconds(DELAY_TIME_FOR_PLAYING_NOTES_RECOGNITION) < this.Factory.Clock.CurrentDateTime)
{
LastQueriedPlayedNotes.RemoveAt(i);
}
else
{
//Check if the non expired note is the one we are looking for
if ((playedNote.MusicalNote.Value == pSceneGuitarNote.NoteValue) &&
(playedNote.MusicalNote.Number == pSceneGuitarNote.NoteNumber))
{
noteFound = true;
}
}
}
return(noteFound);
}