private void NoteHit(DrawingNote note, int songTime)
{
_hitEffectStartTime[note.HitPosition] = songTime;
if (note.DrawType == NoteDrawType.FlickLeft || note.DrawType == NoteDrawType.FlickRight)
{
ShallPlaySoundEffect[1] = true;
}
else
{
ShallPlaySoundEffect[0] = true;
}
}
public void BeginPreview(Score score, double targetFps, int startTime, double approachTime)
{
// wait if not loaded yet
if (!_loaded)
{
new Task(() => {
_loadHandle.WaitOne();
Dispatcher.BeginInvoke(
new Action <Score, double, int, double>(BeginPreview),
score, targetFps, startTime, approachTime);
}).Start();
return;
}
// setup parameters
_score = score;
_targetFps = targetFps;
_startTime = startTime;
// prepare notes
foreach (var note in _score.Notes)
{
// can I draw it?
if (note.Type != NoteType.TapOrFlick && note.Type != NoteType.Hold && note.Type != NoteType.Slide)
{
continue;
}
var pos = (int)note.FinishPosition;
if (pos == 0)
{
pos = (int)note.StartPosition;
}
if (pos == 0)
{
continue;
}
NoteDrawType drawType;
if (note.IsHoldStart || (note.IsHoldEnd && note.IsTap))
{
drawType = NoteDrawType.Hold;
}
else if (note.ShouldBeRenderedAsFlick)
{
drawType = (NoteDrawType)note.FlickType;
}
else if (note.ShouldBeRenderedAsSlide)
{
drawType = NoteDrawType.Slide;
}
else
{
drawType = NoteDrawType.Tap;
}
var snote = new DrawingNote {
Note = note,
Done = false,
Duration = 0,
IsHoldStart = note.IsHoldStart,
Timing = (int)(note.HitTiming * 1000),
LastT = 0,
HitPosition = pos - 1,
DrawType = drawType
};
if (note.IsHoldStart)
{
snote.Duration = (int)(note.HoldTarget.HitTiming * 1000) - (int)(note.HitTiming * 1000);
}
// skip notes that are done before start time
if (snote.Timing + snote.Duration < startTime)
{
continue;
}
// skip hit effect of hold note start if started before
if (snote.IsHoldStart && snote.Timing < startTime)
{
snote.EffectShown = true;
}
_notes.Add(snote);
}
// end if no notes
if (_notes.Count == 0)
{
// TODO: alert user?
IsPreviewing = false;
return;
}
_notes.Sort((a, b) => a.Timing - b.Timing);
// prepare note relationships
foreach (var snote in _notes)
{
if (snote.IsHoldStart)
{
snote.HoldTarget = _notes.FirstOrDefault(note => note.Note.ID == snote.Note.HoldTargetID);
}
if (snote.Note.HasNextSync)
{
snote.SyncTarget = _notes.FirstOrDefault(note => note.Note.ID == snote.Note.NextSyncTarget.ID);
}
if (snote.Note.HasNextFlickOrSlide)
{
snote.GroupTarget = _notes.FirstOrDefault(note => note.Note.ID == snote.Note.NextFlickOrSlideNoteID);
}
}
// music
_shouldPlayMusic = _window != null && _window.MusicLoaded;
// prepare bars
if (_window != null && _window.PreviewBarLevel > 0)
{
var level = _window.PreviewBarLevel;
foreach (var bar in score.Bars)
{
_bars.Add(new DrawingBar {
DrawType = 0, Timing = (int)(bar.StartTime * 1000)
});
if (level > 1)
{
for (int sig = 0; sig < bar.Signature; ++sig)
{
if (sig > 0)
{
_bars.Add(new DrawingBar {
DrawType = 1, Timing = (int)(bar.TimeAtSignature(sig) * 1000)
});
}
if (level > 2 && bar.GridPerSignature % 4 == 0)
{
for (int grid = bar.GridPerSignature / 4; grid < bar.GridPerSignature; grid += bar.GridPerSignature / 4)
{
_bars.Add(new DrawingBar {
DrawType = 2,
Timing = (int)(bar.TimeAtGrid(sig * bar.GridPerSignature + grid) * 1000)
});
}
}
}
}
}
}
// prepare canvas
approachTime *= ActualHeight / 484.04;
MainCanvas.Initialize(_notes, _bars, approachTime);
// hit sound
LoadHitSounds();
new Task(HitSoundTask).Start();
// go
if (_shouldPlayMusic)
{
StartMusic(_startTime);
}
_task = new Task(DrawPreviewFrames);
_task.Start();
}
private void SetNotePosition(DrawingNote note, double t)
{
note.Y = _noteStartY + t * (_noteEndY - _noteStartY);
}
