private bool ValidateOsz(string path)
{
using (var fs = File.OpenRead(path))
using (var zs = new osu.Game.IO.Archives.ZipArchiveReader(fs))
{
return(true);
}
}
/// <summary>
/// 내려받은 맵셋 파일을 통해 자세한 정보를 가져옴
/// </summary>
/// <param name="path">맵셋 파일 경로</param>
/// <returns>Set</returns>
public static Set GetSetFromLocal(int id, string path)
{
var set = new Set {
SetId = id
};
using (var fs = File.OpenRead(path))
using (var osz = new osu.Game.IO.Archives.ZipArchiveReader(fs))
{
if (!osz.Filenames.Any(f => f.EndsWith(@".osu")))
{
throw new InvalidOperationException("No beatmap files found in the map folder.");
}
// https://github.com/ppy/osu/blob/v2018.201.0/osu.Game/Beatmaps/BeatmapManager.cs#L584
foreach (var entry in osz.Filenames.Where(i => i.EndsWith(@".osu")))
{
using (var raw = osz.GetStream(entry))
using (var ms = new MemoryStream()) //we need a memory stream so we can seek and shit
using (var sr = new StreamReader(ms))
{
raw.CopyTo(ms);
ms.Position = 0;
var beatmap = osu.Game.Beatmaps.Formats.Decoder.GetDecoder <osu.Game.Beatmaps.Beatmap>(sr).Decode(sr);
beatmap.BeatmapInfo.Hash = ms.ComputeSHA2Hash();
beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();
//RulesetInfo ruleset = RulesetStore.GetRuleset(beatmap.BeatmapInfo.RulesetID);
// TODO: this should be done in a better place once we actually need to dynamically update it.
//beatmap.BeatmapInfo.StarDifficulty = Math.Max(0, ruleset?.CreateInstance()?.CreateDifficultyCalculator(beatmap).Calculate() ?? 0);
// https://github.com/ppy/osu/blob/v2018.201.0/osu.Game/Screens/Select/BeatmapInfoWedge.cs#L220
var lastObject = beatmap.HitObjects.LastOrDefault();
var endTime = (lastObject as IHasEndTime)?.EndTime ?? lastObject?.StartTime ?? 0;
var startTime = beatmap.HitObjects.FirstOrDefault()?.StartTime ?? 0;
beatmap.BeatmapInfo.OnlineInfo = new BeatmapOnlineInfo
{
Length = (endTime - startTime) / 1000.0
};
set.Beatmaps.Add(new Beatmap(beatmap));
}
}
}
return(set);
}
