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osu-lazer/osu.Game/Beatmaps/FlatWorkingBeatmap.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.IO;
using osu.Framework.Audio.Track;
using osu.Framework.Graphics.Textures;
using osu.Game.Beatmaps.Formats;
using osu.Game.IO;
using osu.Game.Skinning;
namespace osu.Game.Beatmaps
{
/// <summary>
/// A <see cref="WorkingBeatmap"/> which can be constructed directly from an .osu file (via <see cref="FlatWorkingBeatmap(string, int?)"/>)
/// or an <see cref="IBeatmap"/> instance (via <see cref="FlatWorkingBeatmap(IBeatmap)"/>,
/// providing an implementation for
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/// <see cref="WorkingBeatmap.GetPlayableBeatmap(osu.Game.Rulesets.IRulesetInfo,System.Collections.Generic.IReadOnlyList{osu.Game.Rulesets.Mods.Mod})"/>.
/// </summary>
public class FlatWorkingBeatmap : WorkingBeatmap
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{
private readonly IBeatmap beatmap;
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public FlatWorkingBeatmap(string file, int? beatmapId = null)
: this(readFromFile(file))
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{
if (beatmapId.HasValue)
beatmap.BeatmapInfo.OnlineID = beatmapId.Value;
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}
public FlatWorkingBeatmap(IBeatmap beatmap)
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: base(beatmap.BeatmapInfo, null)
{
this.beatmap = beatmap;
}
private static Beatmap readFromFile(string filename)
{
using (var stream = File.OpenRead(filename))
using (var reader = new LineBufferedReader(stream))
return Decoder.GetDecoder<Beatmap>(reader).Decode(reader);
}
protected override IBeatmap GetBeatmap() => beatmap;
public override Texture GetBackground() => throw new NotImplementedException();
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protected override Track GetBeatmapTrack() => throw new NotImplementedException();
protected internal override ISkin GetSkin() => throw new NotImplementedException();
public override Stream GetStream(string storagePath) => throw new NotImplementedException();
}
}