private static void SetEventToDrawPreviewNote(
MadcaDisplay display, IReadOnlyList <IReadOnlyScore> scores, IReadOnlyEditorStatus status)
{
var box = display.PictureBox;
var laneEnv = display.EditorLaneEnvironment;
var previewEnv = display.PreviewDisplayEnvironment;
var holder = display.KeyTokenHolder;
var note = new PreviewNote(new LanePotision(0), new TimingPosition(1, 0), new NoteSize(status.NoteSize));
bool visible = false;
box.MouseMove += (s, e) =>
{
if (holder.Locked || status.EditorMode != EditorMode.Add)
{
visible = false;
return;
}
var area = laneEnv.GetEditorLaneRegion(e.Location);
if (area == EditorLaneRegion.Lane)
{
visible = true;
var res = PositionConverter.ConvertRealToVirtual(laneEnv, e.Location, status.BeatStride, scores, out Position position);
if (res)
{
note.ReLocate(position.Lane, position.Timing);
}
}
else
{
visible = false;
}
};
box.Paint += (s, e) =>
{
if (visible)
{
note.ReSize(new NoteSize(status.NoteSize));
note.SelectedNote = status.NoteMode.ToNoteType();
NoteDrawer.DrawToLane(e.Graphics, laneEnv, note);
NoteDrawer.DrawToPreview(e.Graphics, previewEnv, note);
}
};
}
private static void DrawToLanePreviewNoteFrame(System.Drawing.Graphics g, Rectangle rect, PreviewNote note)
{
if (note == null)
{
return;
}
using (var pen = new Pen(NoteGraphicsGenerator.GetColor(note.SelectedNote)))
{
g.DrawRectangle(pen, rect);
}
}
void Update()
{
if (midiSequencer == null)
{
return;
}
midiSequencer.AdvanceTime(Time.deltaTime);
float ticks = midiSequencer.ticks;
for (int i = 0; i < sequenceConfigItems.Length; i++)
{
var item = sequenceConfigItems[i];
var track = item.previewTrack;
var seq = sequenceCollection.sequences[i];
for (; track.seqNoteIndex < seq.notes.Count && seq.notes[track.seqNoteIndex].start <= ticks + previewTicks; track.seqNoteIndex++)
{
var seqNote = seq.notes[track.seqNoteIndex];
// get or create free preview note
PreviewNote note;
if (track.notesFreeStartIndex < track.notes.Count)
{
note = track.notes[track.notesFreeStartIndex];
note.rect.gameObject.SetActive(true);
}
else
{
var instance = Instantiate(previewNotePrefab, item.previewRect);
note = new PreviewNote {
rect = instance.GetComponent <RectTransform>(), image = instance.GetComponent <Image>()
};
track.notes.Add(note);
}
track.notesFreeStartIndex += 1;
// start preview note
note.isFree = false;
note.isOn = false;
note.start = seqNote.start;
note.end = seqNote.end;
note.note = seqNote.note;
note.velocity = seqNote.velocity;
note.rect.anchoredPosition = new Vector2(0, note.y = -(seqNote.note % 12 * previewTrackNoteHeight));
note.rect.sizeDelta = new Vector2((float)seqNote.duration / previewTicks * previewTrackWidth, previewTrackNoteHeight);
}
for (int j = 0; j < track.notesFreeStartIndex; j++)
{
var note = track.notes[j];
if (note.end <= ticks) // free preview note
{
if (!note.isOn) // the note is overdue, on before off
{
track.noteOnCount += 1;
if (!item.shouldMute)
{
sf2Synth.NoteOn(seq.channel, note.note, note.velocity);
}
}
sf2Synth.NoteOff(seq.channel, note.note, 0);
note.isFree = true;
note.rect.gameObject.SetActive(false);
track.notesFreeStartIndex -= 1;
track.notes[j] = track.notes[track.notesFreeStartIndex];
track.notes[track.notesFreeStartIndex] = note;
j -= 1;
}
}
for (int j = 0; j < track.notesFreeStartIndex; j++)
{
var note = track.notes[j];
// update preview note
if (!note.isOn && note.start <= ticks) // should be on
{
note.isOn = true;
track.noteOnCount += 1;
if (!item.shouldMute)
{
sf2Synth.NoteOn(seq.channel, note.note, note.velocity);
}
}
float scaledStart = (note.start - ticks) / previewTicks;
note.rect.anchoredPosition = new Vector2(-scaledStart * previewTrackWidth, note.y);
note.image.color = Color.Lerp(item.previewStartColor, item.previewEndColor, 1 - scaledStart);
}
item.previewText.text = string.Format("{0:N0}/{1:N0}", track.noteOnCount, seq.notes.Count);
}
sf2Synth.Panic();
}
