osu/osu.Game.Tests/WaveformTestBeatmap.cs

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// Copyright (c) 2007-2018 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.Framework.Audio.Track;
using osu.Framework.Graphics.Textures;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.Formats;
using osu.Game.IO.Archives;
using osu.Game.Tests.Beatmaps.IO;
namespace osu.Game.Tests
{
/// <summary>
/// A <see cref="WorkingBeatmap"/> that is used for testcases that include waveforms.
/// </summary>
public class WaveformTestBeatmap : WorkingBeatmap
{
private readonly ZipArchiveReader reader;
private readonly FileStream stream;
public WaveformTestBeatmap()
: base(new BeatmapInfo())
{
stream = File.OpenRead(ImportBeatmapTest.TEST_OSZ_PATH);
reader = new ZipArchiveReader(stream);
}
public override void Dispose()
{
base.Dispose();
stream?.Dispose();
reader?.Dispose();
}
protected override IBeatmap GetBeatmap() => createTestBeatmap();
protected override Texture GetBackground() => null;
protected override Waveform GetWaveform() => new Waveform(getAudioStream());
protected override Track GetTrack() => new TrackBass(getAudioStream());
private Stream getAudioStream() => reader.GetStream(reader.Filenames.First(f => f.EndsWith(".mp3")));
private Stream getBeatmapStream() => reader.GetStream(reader.Filenames.First(f => f.EndsWith(".osu")));
private Beatmap createTestBeatmap()
{
using (var beatmapStream = getBeatmapStream())
using (var beatmapReader = new StreamReader(beatmapStream))
return Decoder.GetDecoder<Beatmap>(beatmapReader).Decode(beatmapReader);
}
}
}