public void Play(PlaybackInfo info)
{
if (playingThread != null)
playingThread.Abort();
playingThread = new System.Threading.Thread(() => player.Play(info));
playingThread.Start();
}
public void Play(PlaybackInfo info)
{
if (info.Messages.Count == 0)
return;
currentInfo = info;
state = 0;
var keys = new int[info.Messages.Keys.Count];
int i = 0;
foreach(var k in info.Messages.Keys)
{
keys[i++] = k;
}
MaxKeyTime = keys[info.Messages.Keys.Count - 1];
for(i = 0; i < keys.Length - 1; i++)
{
currentIndex = i;
if (state != 0)
break;
foreach(PlaybackMessage message in info.Messages[keys[i]])
{
if (OnMessageSent != null)
OnMessageSent(this, keys[i], message);
midiOut.Send(message.GenerateMidiMessage().RawData);
}
int sleep_dur = keys[i + 1] - keys[i];
Thread.Sleep(sleep_dur);
}
}
void generateSongPlotFull(PlotModel model, PlaybackInfo info)
{
var songpoints = (model.Series[0] as ScatterSeries).ItemsSource as List<ScatterPoint>;
songpoints.Clear();
model.InvalidatePlot(true);
var keys = new int[info.Messages.Keys.Count];
int i = 0;
foreach (var k in info.Messages.Keys)
{
keys[i++] = k;
}
for (i = 0; i < keys.Length - 1; i++)
{
foreach (PlaybackMessage message in info.Messages[keys[i]])
{
if (message.Message == PlaybackMessage.PlaybackMessageType.Start)
{
double duration = Math.Log(message.Duration + 1, 2) * 2;
songpoints.Add(new ScatterPoint(keys[i], message.Pitch % 12, duration, message.Pitch / 12));
}
}
}
if (model.Axes.Count > 2)
{
model.Axes[2].IsAxisVisible = false;
model.Axes[2].Maximum = 14;
model.Axes[2].Minimum = -2;
}
model.InvalidatePlot(true);
}
public static PlaybackInfo operator +(PlaybackInfo info1, PlaybackInfo info2)
{
PlaybackInfo info = new PlaybackInfo();
foreach (int k in info1.Messages.Keys)
info.Add(k, info1.Messages[k]);
foreach (int k in info2.Messages.Keys)
info.Add(k, info2.Messages[k]);
return info;
}
public PlaybackInfo GeneratePlaybackInfo(int time = 0)
{
PlaybackInfo info = new PlaybackInfo();
info.Add(time, new PlaybackMessage(Instrument, Channel));
foreach (var s in sequences)
{
info += s.GeneratePlaybackInfo(Channel, time);
time += (int)(1000 * Note.ToRealDuration(s.Duration));
}
return info;
}
public PlaybackInfo GeneratePlaybackInfo()
{
PlaybackInfo info = new PlaybackInfo();
foreach (Track t in Tracks)
info += t.GeneratePlaybackInfo(0);
return info;
}
public PlaybackInfo GeneratePlaybackInfo(byte channel, int time = 0)
{
PlaybackInfo info = new PlaybackInfo();
foreach (Note n in sequence)
{
if (n.Pitch < 0 || n.Velocity == 0)
{
time += (int)(1000 * Note.ToRealDuration(n.Duration));
continue;
}
var tag = Tuple.Create(channel,n);
PlaybackMessage m = new PlaybackMessage(PlaybackMessage.PlaybackMessageType.Start, channel, (byte)n.Velocity, (byte)n.Pitch, n.Duration);
m.Tag = tag; // Experimenta
info.Add(time, m);
time += (int)(1000 * Note.ToRealDuration(n.Duration));
m = new PlaybackMessage(PlaybackMessage.PlaybackMessageType.Stop, channel, (byte)n.Velocity, (byte)n.Pitch);
//m.Tag = tag; // Experimental
info.Add(time, m);
time += 1;
}
return info;
}
