private void FinishBeam()
{
var popedBeam = _beamStack.Pop();
_currentBeam = _beamStack.Count > 0 ? _beamStack.Peek() : null;
if (popedBeam.Elements.Count == 0)
{
_rootBeats.Remove(popedBeam);
return;
}
var rearrangedElements = BeatArranger.RearrangeBeam(popedBeam);
// the rearrangement didn't change the beam
if (rearrangedElements.Count == 1 && rearrangedElements.First() == popedBeam)
{
return;
}
if (_currentBeam == null) // root
{
_rootBeats.RemoveAt(_rootBeats.Count - 1);
_rootBeats.AddRange(rearrangedElements);
}
else
{
_currentBeam.Elements.RemoveAt(_currentBeam.Elements.Count - 1);
_currentBeam.Elements.AddRange(rearrangedElements);
foreach (var beat in rearrangedElements.OfType <Beat>())
{
((IInternalBeatElement)beat).SetOwner(_currentBeam);
}
}
}
private void AppendAndArrangeVoice(RhythmSegmentVoice voice, BeatArranger beatArranger)
{
if (voice == null)
{
return;
}
foreach (var beat in voice.Beats)
{
beatArranger.AddBeat(beat);
}
var barVoice = _bar.GetVoice(voice.Part);
voice.LastNoteOnStrings.CopyTo(barVoice.LastNoteOnStrings, 0);
barVoice.IsTerminatedWithRest = voice.IsTerminatedWithRest;
}
private void ArrangeVoices()
{
_bar.BassVoice = new Voice(_bar, VoicePart.Bass);
_bar.TrebleVoice = new Voice(_bar, VoicePart.Treble);
var bassBeatArranger = new BeatArranger(_context.DocumentState.Time.NoteValue, _bar.BassVoice);
var trebleBeatArranger = new BeatArranger(_context.DocumentState.Time.NoteValue, _bar.TrebleVoice);
foreach (var segment in _bar.Rhythm.Segments)
{
if (segment.IsOmittedByTemplate)
{
continue;
}
this.AppendAndArrangeVoice(segment.BassVoice, bassBeatArranger);
this.AppendAndArrangeVoice(segment.TrebleVoice, trebleBeatArranger);
}
bassBeatArranger.Finish();
trebleBeatArranger.Finish();
}
