// Update is called once per frame
void Update()
{
if (HasSongChanged())
{
Timing.ClearSongUpdatedFlag();
// If the song has changed, #1 -- Get the new song and generate the pending roll key list.
song = Song.GetCurrentSong();
events = SongAnalyzer.generateEventList(song);
currentEvent = 0;
pianoRollEvent = 0;
// #2 - clear error keys, regardless of expiration. Not sure why, but without this step,
// keys can be redrawn as error keys after they are destroyed.
foreach (var key in ErrorKeys)
{
keyHighlighter.SetKeyHighlight(false, key.Key);
ErrorKeys.Remove(key.Key);
}
// #3 - Destroy all piano roll keys, and prepare the first bar
keyHighlighter.DestroyAllPianoRollItems();
NextBar(0);
LastBar = 1;
}
else
{
CurrentBar = Timing.GetCurrentBar();
if (CurrentBar != LastBar)
{
NextBar(CurrentBar - 1);
}
LastBar = CurrentBar;
}
//figure out what events happened in the last frame and handle it!
if (song != null)
{
/*
* //key highlighting.
* while (currentEvent < events.Count)
* {
* SongEvent e = (SongEvent)events[currentEvent];
* if (e.measureNumber <=Timing.CurrentMeasure)
* {
* //process e.
* keyHighlighter.SetKeyHighlight(e.isStart, e.keyID);
* currentEvent++;
* }
* else { break; }
* }*/
//tolerance updating:
/*while (toleranceRunner < tolerance.Count)
* {
* SongEvent e = (SongEvent)tolerance[toleranceRunner];
* if (e.MeasureNumber <= Timing.CurrentMeasure)
* {
* //process e.
* if (e.IsStart) activeNotes.Add(e.KeyID);
* else activeNotes.Remove(e.KeyID);
* toleranceRunner++;
* }
* else { break; }
* }*/
//piano roll
float futureTick = Timing.CurrentMeasure + 2 * Timing.BeatsPerMeasure;
while (pianoRollEvent < events.Count)
{
SongEvent e = (SongEvent)events[pianoRollEvent];
if (e.EndPoint <= futureTick)
{
//process e.
startDroplet(e, futureTick);
pianoRollEvent++;
}
else
{
break;
}
}
// clear error keys, if they have expired
foreach (var key in ErrorKeys)
{
if (key.Value < Timing.CurrentMeasure)
{
keyHighlighter.SetKeyHighlight(false, key.Key);
ErrorKeys.Remove(key.Key);
}
}
}
Vector3 oldpos = playhead.transform.position;
playhead.transform.position = new Vector3(GetPositionFromBeat(Timing.GetCurrentBeat(), 0), oldpos.y, oldpos.z);
}