/// <summary>
/// 譜面情報をデシリアライズします
/// </summary>
/// <param name="scoreFilePath">譜面のファイルパス</param>
/// <returns></returns>
public static async Task<MusicScore> DeserializeAsync(string scoreFilePath)
{
MusicScore score;
string jStr = "";
if (!File.Exists(scoreFilePath))
throw new ArgumentException($"score file not found (filePath: {scoreFilePath})");
using (var sr = new StreamReader(scoreFilePath))
jStr = await sr.ReadToEndAsync();
var json = DynamicJson.Parse(jStr);
var scoreVersion = json.meta.score_version;
if (scoreVersion == 1.0)
{
string title = json.meta.title;
double bpm = json.meta.bmp;
string songUrl = json.meta.song_url;
double offset = json.meta.offset;
score = new MusicScore(title, (int)bpm, new Uri(songUrl), 4, offset);
foreach (var tags in json.meta.tags)
{
score.Tags.Add((string)tags);
}
foreach (var bar in json.bars)
{
var size = ((string)bar.size).Split(':').ToList();
var count = int.Parse(size[0]);
var span = size.Count == 2 ? double.Parse(size[1]) : 1.0;
var musicBar = new MusicBar(score, count, span);
foreach (var lane in bar.notes)
{
var musicLane = new MusicLane(musicBar);
foreach (string noteInfo in lane)
{
var noteInfoList = noteInfo.Split(':');
var countLocation = int.Parse(noteInfoList[0]);
var noteType = (MusicNoteType)int.Parse(noteInfoList[1]);
var musicNote = new MusicNote(countLocation, musicLane, noteType);
musicLane.Notes.Add(musicNote);
}
musicBar.Lanes.Add(musicLane);
}
score.Bars.Add(musicBar);
}
}
else
{
throw new ArgumentException($"Unknown score version (value: {scoreVersion})");
}
return score;
}
public MusicEvent(MusicBar parentBar, MusicEventType type, object value)
{
ParentBar = parentBar;
Type = type;
Value = value;
}
public MusicLane(MusicBar parentBar, IEnumerable<MusicNote> notes = null)
{
ParentBar = parentBar;
Notes = notes?.ToList() ?? new List<MusicNote>();
}