public PatternActionResult Invoke(long time, PatternContext context)
{
var programEvents = Program.GetProgramEvents(context.Channel);
var timedEvents = programEvents.Select(e => new TimedEvent(e, time));
return(new PatternActionResult(time, timedEvents));
}
/// <summary>
/// Exports the current <see cref="Pattern"/> to track chunk.
/// </summary>
/// <param name="tempoMap">Tempo map to process pattern data according with.</param>
/// <param name="channel">Channel of notes that will be generated by pattern.</param>
/// <returns>The <see cref="TrackChunk"/> containing notes events generated by the current <see cref="Pattern"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="tempoMap"/> is null.</exception>
public TrackChunk ToTrackChunk(TempoMap tempoMap, FourBitNumber channel)
{
ThrowIfArgument.IsNull(nameof(tempoMap), tempoMap);
var context = new PatternContext(tempoMap, channel);
var result = InvokeActions(0, context);
//
var trackChunk = new TrackChunk();
using (var notesManager = trackChunk.ManageNotes())
{
notesManager.Notes.Add(result.Notes ?? Enumerable.Empty <Note>());
}
using (var eventsManager = trackChunk.ManageTimedEvents())
{
eventsManager.Events.Add(result.Events ?? Enumerable.Empty <TimedEvent>());
}
//
return(trackChunk);
}
public PatternActionResult Invoke(long time, PatternContext context)
{
var programEvent = Program.GetProgramEvent();
var timedEvent = new TimedEvent(programEvent, time);
return(new PatternActionResult(time, new[] { timedEvent }));
}
public PatternActionResult Invoke(long time, PatternContext context)
{
var programChangeEvent = new ProgramChangeEvent(ProgramNumber);
var timedEvent = new TimedEvent(programChangeEvent, time);
return(new PatternActionResult(time, new[] { timedEvent }));
}
internal PatternActionResult InvokeActions(long time, PatternContext context)
{
var notes = new List <Note>();
var events = new List <TimedEvent>();
foreach (var action in Actions)
{
var actionResult = action.Invoke(time, context);
var newTime = actionResult.Time;
if (newTime != null)
{
time = newTime.Value;
}
var addedNotes = actionResult.Notes;
if (addedNotes != null)
{
notes.AddRange(addedNotes);
}
var addedEvents = actionResult.Events;
if (addedEvents != null)
{
events.AddRange(addedEvents);
}
}
return(new PatternActionResult(time, notes, events));
}
public PatternActionResult Invoke(long time, PatternContext context)
{
var textEvent = (BaseTextEvent)Activator.CreateInstance(typeof(TEvent), Text);
var timedEvent = new TimedEvent(textEvent, time);
return(new PatternActionResult(time, new[] { timedEvent }));
}
public PatternActionResult Invoke(long time, PatternContext context)
{
context.SaveTime(time);
var newContext = new PatternContext(context.TempoMap, context.Channel);
return(Pattern.InvokeActions(time, newContext));
}
public override PatternActionResult Invoke(long time, PatternContext context)
{
var tempoMap = context.TempoMap;
context.SaveTime(time);
var convertedTime = TimeConverter.ConvertFrom(new MathTime(time, Step, MathOperation.Subtract), tempoMap);
return(new PatternActionResult(Math.Max(convertedTime, 0)));
}
public override PatternActionResult Invoke(long time, PatternContext context)
{
var tempoMap = context.TempoMap;
context.SaveTime(time);
var convertedTime = TimeConverter.ConvertFrom(((MidiTimeSpan)time).Subtract(Step, TimeSpanMode.TimeLength), tempoMap);
return(new PatternActionResult(Math.Max(convertedTime, 0)));
}
public PatternActionResult Invoke(long time, PatternContext context)
{
context.SaveTime(time);
var chordLength = LengthConverter.ConvertFrom(Length, time, context.TempoMap);
return(new PatternActionResult(time + chordLength,
NoteDefinitions.Select(d => new Note(d.NoteNumber, chordLength, time)
{
Channel = context.Channel,
Velocity = Velocity
})));
}
public PatternActionResult Invoke(long time, PatternContext context)
{
var programEvents = Program.GetProgramEvents();
foreach (var channelEvent in programEvents.OfType <ChannelEvent>())
{
channelEvent.Channel = context.Channel;
}
var timedEvents = programEvents.Select(e => new TimedEvent(e, time));
return(new PatternActionResult(time, timedEvents));
}
public PatternActionResult Invoke(long time, PatternContext context)
{
context.SaveTime(time);
var noteLength = LengthConverter.ConvertFrom(Length, time, context.TempoMap);
var note = new Note(Note.NoteNumber, noteLength, time)
{
Channel = context.Channel,
Velocity = Velocity
};
return(new PatternActionResult(time + noteLength, new[] { note }));
}
public PatternActionResult Invoke(long time, PatternContext context)
{
var anchorTimes = context.GetAnchorTimes(Anchor);
var newTime = 0L;
switch (AnchorPosition)
{
case AnchorPosition.First:
newTime = anchorTimes.First();
break;
case AnchorPosition.Last:
newTime = anchorTimes.Last();
break;
case AnchorPosition.Nth:
newTime = anchorTimes[Index];
break;
}
return(new PatternActionResult(newTime));
}
