osu/osu.Desktop/Beatmaps/IO/LegacyFilesystemReader.cs

44 lines
1.3 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System.IO;
using System.Linq;
using osu.Game.Beatmaps.IO;
namespace osu.Desktop.Beatmaps.IO
{
/// <summary>
/// Reads an extracted legacy beatmap from disk.
/// </summary>
public class LegacyFilesystemReader : ArchiveReader
{
public static void Register() => AddReader<LegacyFilesystemReader>((storage, path) => Directory.Exists(path));
private readonly string basePath;
public LegacyFilesystemReader(string path)
{
basePath = path;
BeatmapFilenames = Directory.GetFiles(basePath, @"*.osu").Select(Path.GetFileName).ToArray();
if (BeatmapFilenames.Length == 0)
throw new FileNotFoundException(@"This directory contains no beatmaps");
StoryboardFilename = Directory.GetFiles(basePath, @"*.osb").Select(Path.GetFileName).FirstOrDefault();
}
public override Stream GetStream(string name)
{
return File.OpenRead(Path.Combine(basePath, name));
}
public override void Dispose()
{
// no-op
}
public override Stream GetUnderlyingStream() => null;
}
}