private void processNotes(Beatmap beatmap, IList <string> lines)
{
// Remove all karaoke note
beatmap.HitObjects.RemoveAll(x => x is Note);
var lyrics = beatmap.HitObjects.OfType <Lyric>().ToList();
for (int l = 0; l < lyrics.Count; l++)
{
var lyric = lyrics[l];
var line = lines.ElementAtOrDefault(l)?.Split('=').Last();
// Create default note if not exist
if (string.IsNullOrEmpty(line))
{
beatmap.HitObjects.AddRange(LyricUtils.CreateDefaultNotes(lyric));
continue;
}
var notes = line.Split(',');
var defaultNotes = LyricUtils.CreateDefaultNotes(lyric).ToList();
var minNoteNumber = Math.Min(notes.Length, defaultNotes.Count);
// Process each note
for (int i = 0; i < minNoteNumber; i++)
{
var note = notes[i];
var defaultNote = defaultNotes[i];
// Support multi note in one time tag, format like ([1;0.5;か]|1#|...)
if (!note.StartsWith("(", StringComparison.Ordinal) || !note.EndsWith(")", StringComparison.Ordinal))
{
// Process and add note
applyNote(defaultNote, note);
beatmap.HitObjects.Add(defaultNote);
}
else
{
float startPercentage = 0;
var rubyNotes = note.Replace("(", "").Replace(")", "").Split('|');
for (int j = 0; j < rubyNotes.Length; j++)
{
string rubyNote = rubyNotes[j];
string tone;
float percentage = (float)Math.Round((float)1 / rubyNotes.Length, 2, MidpointRounding.AwayFromZero);
string ruby = defaultNote.AlternativeText?.ElementAtOrDefault(j).ToString();
// Format like [1;0.5;か]
if (note.StartsWith("[", StringComparison.Ordinal) && note.EndsWith("]", StringComparison.Ordinal))
{
var rubyNoteProperty = note.Replace("[", "").Replace("]", "").Split(';');
// Copy tome property
tone = rubyNoteProperty[0];
// Copy percentage property
if (rubyNoteProperty.Length >= 2)
{
float.TryParse(rubyNoteProperty[1], out percentage);
}
// Copy text property
if (rubyNoteProperty.Length >= 3)
{
ruby = rubyNoteProperty[2];
}
}
else
{
tone = rubyNote;
}
// Split note and apply them
var splitDefaultNote = NoteUtils.SliceNote(defaultNote, startPercentage, percentage);
startPercentage += percentage;
if (!string.IsNullOrEmpty(ruby))
{
splitDefaultNote.Text = ruby;
}
// Process and add note
applyNote(splitDefaultNote, tone);
beatmap.HitObjects.Add(splitDefaultNote);
}
}
}
}
void applyNote(Note note, string noteStr, string ruby = null, double?duration = null)
{
if (noteStr == "-")
{
note.Display = false;
}
else
{
note.Display = true;
note.Tone = convertTone(noteStr);
}
if (!string.IsNullOrEmpty(ruby))
{
note.Text = ruby;
}
if (duration != null)
{
note.Duration = duration.Value;
}
//Support format : 1 1. 1.5 1+ 1#
Tone convertTone(string tone)
{
var half = false;
if (tone.Contains(".") || tone.Contains("#"))
{
half = true;
// only get digit part
tone = tone.Split('.').FirstOrDefault()?.Split('#').FirstOrDefault();
}
if (!int.TryParse(tone, out int scale))
{
throw new ArgumentOutOfRangeException($"{tone} does not support in {nameof(KaraokeLegacyBeatmapDecoder)}");
}
return(new Tone
{
Scale = scale,
Half = half
});
}
}
}