public static bool TryUpdate(this NoteTrack track, int noteIndex, Note note)
{
if (IsUpdateValid(track, noteIndex, note))
{
Update(track, noteIndex, note);
return(true);
}
return(false);
}
public static int SubtrackCount(this NoteTrack track)
{
try
{
return(track.notes.Max(x => x.subTrack) + 1);
}
catch (InvalidOperationException)
{
return(0);
}
}
public static List <List <Note> > BySubtrack(this NoteTrack track)
{
int count = track.SubtrackCount();
var result = new List <List <Note> >();
for (int i = 0; i < count; i++)
{
result.Add(NotesOnSubtrack(track, i));
}
return(result);
}
public static void AddNote(this NoteTrack track, Note note)
{
var pos = track.notes.FindIndex(x => x.End > note.End);
if (pos == -1)
{
track.notes.Add(note);
}
else
{
track.notes.Insert(pos, note);
}
}
public static void CalculateTriggersBetween(this NoteTrack track, float eventStart, float eventEnd, List <NoteEvent> result)
{
foreach (var note in track.notes)
{
float noteEnd = note.End;
bool startsBefore = eventStart < note.start;
bool startsAfter = eventStart > noteEnd;
bool startsInside = !startsBefore && !startsAfter;
bool endsBefore = eventEnd < note.start;
bool endsAfter = eventEnd > noteEnd;
bool endsInside = !endsBefore && !endsAfter;
if (startsAfter)
{
continue;
}
if (startsBefore)
{
if (endsAfter)
{
result.Add(new NoteEvent(NoteEvent.Type.Start, note.subTrack, 0.0f));
result.Add(new NoteEvent(NoteEvent.Type.End, note.subTrack, 1.0f));
}
else if (endsInside)
{
result.Add(new NoteEvent(NoteEvent.Type.Start, note.subTrack, 0.0f));
}
}
else if (startsInside)
{
if (endsAfter)
{
result.Add(new NoteEvent(NoteEvent.Type.End, note.subTrack, 1.0f));
}
else if (endsInside)
{
float noteProgressBeats = (eventEnd - note.start) / note.duration;
result.Add(new NoteEvent(NoteEvent.Type.Update, note.subTrack, noteProgressBeats));
}
}
}
}
public static bool TryAddNote(this NoteTrack track, int subtrackIndex, float pos, float duration)
{
var newNote = new Note()
{
subTrack = subtrackIndex, duration = duration, start = pos
};
var subtrack = track.NotesOnSubtrack(subtrackIndex);
var posInSubtrack = subtrack.FindIndex(x => x.End > pos);
posInSubtrack = posInSubtrack == -1 ? subtrack.Count : posInSubtrack;
if (subtrack.Skip(posInSubtrack).All(x => x.start >= newNote.End))
{
AddNote(track, newNote);
return(true);
}
return(false);
}
public NoteTrackEditor(NoteTrack track, NoteSheetEditor owner)
{
this.noteTrack = track;
this.owner = owner;
}
private static List <Note> NotesOnSubtrack(this NoteTrack track, int i)
{
return(new List <Note>(track.notes.Where(x => x.subTrack == i)));
}
private static void Update(this NoteTrack track, int noteIndex, Note note)
{
track.notes.RemoveAt(noteIndex);
track.AddNote(note);
}
public static bool IsUpdateValid(this NoteTrack track, int noteIndex, Note note)
{
return(!track.notes.SkipIndex(noteIndex).Any(x => x.subTrack == note.subTrack && x.TimeOverlaps(note)));
}
