private static void CalculateGroupID(Note note, CompiledNote compiledNote)
{
if (note.GroupID != EntityID.Invalid)
{
compiledNote.GroupID = note.GroupID;
}
else
{
int groupID;
FlickGroupModificationResult result;
Note groupStart;
if (!note.TryGetFlickGroupID(out result, out groupID, out groupStart))
{
// No need to set a group ID. E.g. the note is not a flick / slide note.
return;
}
switch (result)
{
case FlickGroupModificationResult.Reused:
note.GroupID = compiledNote.GroupID = groupID;
break;
case FlickGroupModificationResult.CreationPending:
groupID = FlickGroupIDGenerator.Next();
groupStart.GroupID = note.GroupID = compiledNote.GroupID = groupID;
break;
}
}
}
public static void CompileTo(this Score score, CompiledScore compiledScore)
{
FlickGroupIDGenerator.Reset();
var compiledNotes = compiledScore.Notes;
compiledNotes.Clear();
// Clear the GroupID caches.
foreach (var bar in score.Bars)
{
foreach (var note in bar.Notes)
{
note.GroupID = EntityID.Invalid;
var compiledNote = new CompiledNote();
SetCommonNoteProperties(note, compiledNote);
CalculateGroupID(note, compiledNote);
compiledNote.HitTiming = note.HitTiming;
compiledNotes.Add(compiledNote);
}
}
// The normal gaming notes.
var noteId = 3;
foreach (var compiledNote in compiledNotes)
{
compiledNote.ID = noteId++;
}
// Special notes are added to their destined positions.
var totalNoteCount = compiledNotes.Count;
var scoreInfoNote = new CompiledNote {
ID = 1,
Type = NoteType.NoteCount,
FlickType = totalNoteCount
};
var songStartNote = new CompiledNote {
ID = 2,
Type = NoteType.MusicStart
};
compiledNotes.Insert(0, scoreInfoNote);
compiledNotes.Insert(1, songStartNote);
double endTiming;
if (score.Bars.Count > 0)
{
var lastBar = score.Bars.Last();
endTiming = lastBar.StartTime + lastBar.TimeLength;
}
else
{
endTiming = 0;
}
var songEndNote = new CompiledNote {
ID = noteId,
Type = NoteType.MusicEnd,
HitTiming = endTiming
};
compiledNotes.Add(songEndNote);
}