private void ScheduleTrack(Track tr)
{
foreach (var rawNote in tr.Notes)
{
if (rawNote.IsNoteOnType)
{
midMan.ScheduleCallbackMessage(new RawNoteCallbackMessage(new RawNoteCallbackMessage.CallbackType(NoteOnCallbackHandler), rawNote.Time / 1000, rawNote));
}
else
{
midMan.ScheduleCallbackMessage(new RawNoteCallbackMessage(new RawNoteCallbackMessage.CallbackType(NoteOffCallbackHandler), rawNote.Time / 1000, rawNote));
}
}
foreach (var rawTempo in tr.Tempos)
{
midMan.ScheduleCallbackMessage(new RawTempoCallbackMessage(new RawTempoCallbackMessage.CallbackType(BPMChangeCallBackHandler), rawTempo.Time, rawTempo));
}
}
public TrackPlayer(Track tr)
{
_track = tr;
ScheduleTrack(tr);
}
/// <summary>
/// parsing MIDI file into tracklist with notes
/// </summary>
/// <param name="path">midi text path</param>
/// <returns></returns>
public static List<Track> RetrieveTracksAndNotesList(string path)
{
List<string[]> parsedData = CSVParser.parseCSV(path);
int lastTrackNum = Convert.ToInt32(parsedData[parsedData.Count() - 2][0]);
Track[] tracklist = new Track[lastTrackNum];
for (int i = 0; i < lastTrackNum; i ++)
{
tracklist[i] = new Track();
tracklist[i].TrackNumber = i+1;
}
bool hasPickedTrack = false;
int pickedTrack = 0;
foreach (var stringse in parsedData)
{
int currTrack = Convert.ToInt32(stringse[0]);
if (stringse.Contains("Start_track"))
{
pickedTrack = currTrack;
hasPickedTrack = true;
}
if (hasPickedTrack && currTrack == pickedTrack)
{
RawNote nt;
RawTempo tp;
if (stringse.Contains("Note_on_c"))
{
nt = new RawNote(Convert.ToInt32(stringse[4]), Convert.ToInt32(stringse[5]), (float)Convert.ToDouble(stringse[1]), true);
tracklist[currTrack-1].AddNote(nt);
}
else if (stringse.Contains("Note_off_c"))
{
nt = new RawNote(Convert.ToInt32(stringse[4]), Convert.ToInt32(stringse[5]), (float)Convert.ToDouble(stringse[1]), false);
tracklist[currTrack-1].AddNote(nt);
}
else if (stringse.Contains("Tempo"))
{
tp = new RawTempo((float)Convert.ToDouble(stringse[1]), Convert.ToInt32(stringse[3]));
tracklist[currTrack - 1].AddTempo(tp);
}
else if (stringse.Contains("End_track"))
{
tracklist[currTrack - 1].OverallLength = Convert.ToInt32(stringse[1]);
}
else if (stringse.Contains("Title_t"))
{
tracklist[currTrack - 1].TrackName = stringse[3];
}
}
}
List<Track> resList = new List<Track>();
foreach (var track in tracklist)
{
resList.Add(track);
}
return resList;
}