mirror of
https://github.com/ppy/osu
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53 lines
2.1 KiB
C#
53 lines
2.1 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.IO;
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using osu.Framework.Audio.Track;
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using osu.Framework.Graphics.Textures;
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using osu.Game.Beatmaps.Formats;
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using osu.Game.IO;
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using osu.Game.Rulesets;
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using osu.Game.Skinning;
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namespace osu.Game.Beatmaps
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{
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/// <summary>
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/// A <see cref="WorkingBeatmap"/> which can be constructed directly from a .osu file, 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})"/>.
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/// </summary>
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public class FlatFileWorkingBeatmap : WorkingBeatmap
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{
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private readonly Beatmap beatmap;
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public FlatFileWorkingBeatmap(string file, Func<int, Ruleset> rulesetProvider, int? beatmapId = null)
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: this(readFromFile(file), rulesetProvider, beatmapId)
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{
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}
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private FlatFileWorkingBeatmap(Beatmap beatmap, Func<int, Ruleset> rulesetProvider, int? beatmapId = null)
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: base(beatmap.BeatmapInfo, null)
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{
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this.beatmap = beatmap;
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beatmap.BeatmapInfo.Ruleset = rulesetProvider(beatmap.BeatmapInfo.RulesetID).RulesetInfo;
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if (beatmapId.HasValue)
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beatmap.BeatmapInfo.OnlineID = beatmapId;
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}
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private static Beatmap readFromFile(string filename)
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{
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using (var stream = File.OpenRead(filename))
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using (var reader = new LineBufferedReader(stream))
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return Decoder.GetDecoder<Beatmap>(reader).Decode(reader);
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}
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protected override IBeatmap GetBeatmap() => beatmap;
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protected override Texture GetBackground() => throw new NotImplementedException();
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protected override Track GetBeatmapTrack() => throw new NotImplementedException();
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protected internal override ISkin GetSkin() => throw new NotImplementedException();
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public override Stream GetStream(string storagePath) => throw new NotImplementedException();
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}
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}
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