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55 lines
1.8 KiB
C#
55 lines
1.8 KiB
C#
// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Linq;
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using osu.Game.Beatmaps.Formats;
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using osu.Game.Beatmaps.IO;
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using osu.Game.Beatmaps;
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using osu.Game.Database;
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namespace osu.Desktop.Beatmaps.IO
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{
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/// <summary>
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/// Reads an extracted legacy beatmap from disk.
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/// </summary>
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public class LegacyFilesystemReader : ArchiveReader
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{
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public static void Register() => AddReader<LegacyFilesystemReader>((storage, path) => Directory.Exists(path));
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private string basePath { get; set; }
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private Beatmap firstMap { get; set; }
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public LegacyFilesystemReader(string path)
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{
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basePath = path;
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BeatmapFilenames = Directory.GetFiles(basePath, @"*.osu").Select(f => Path.GetFileName(f)).ToArray();
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if (BeatmapFilenames.Length == 0)
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throw new FileNotFoundException(@"This directory contains no beatmaps");
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StoryboardFilename = Directory.GetFiles(basePath, @"*.osb").Select(f => Path.GetFileName(f)).FirstOrDefault();
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using (var stream = new StreamReader(GetStream(BeatmapFilenames[0])))
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{
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var decoder = BeatmapDecoder.GetDecoder(stream);
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firstMap = decoder.Decode(stream);
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}
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}
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public override Stream GetStream(string name)
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{
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return File.OpenRead(Path.Combine(basePath, name));
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}
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public override BeatmapMetadata ReadMetadata()
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{
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return firstMap.BeatmapInfo.Metadata;
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}
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public override void Dispose()
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{
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// no-op
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}
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}
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}
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