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Merge branch 'master' into new-interfaces
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Dean Herbert
243
osu.Game/Beatmaps/WorkingBeatmapCache.cs
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243
osu.Game/Beatmaps/WorkingBeatmapCache.cs
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// 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 System.Linq;
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using JetBrains.Annotations;
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using osu.Framework.Audio;
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using osu.Framework.Audio.Track;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.IO.Stores;
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using osu.Framework.Lists;
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using osu.Framework.Logging;
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using osu.Framework.Platform;
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using osu.Framework.Statistics;
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using osu.Framework.Testing;
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using osu.Game.Beatmaps.Formats;
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using osu.Game.IO;
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using osu.Game.Skinning;
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using osu.Game.Storyboards;
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namespace osu.Game.Beatmaps
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{
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public class WorkingBeatmapCache : IBeatmapResourceProvider, IWorkingBeatmapCache
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{
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private readonly WeakList<BeatmapManagerWorkingBeatmap> workingCache = new WeakList<BeatmapManagerWorkingBeatmap>();
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/// <summary>
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/// A default representation of a WorkingBeatmap to use when no beatmap is available.
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/// </summary>
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public readonly WorkingBeatmap DefaultBeatmap;
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public BeatmapModelManager BeatmapManager { private get; set; }
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private readonly AudioManager audioManager;
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private readonly IResourceStore<byte[]> resources;
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private readonly LargeTextureStore largeTextureStore;
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private readonly ITrackStore trackStore;
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private readonly IResourceStore<byte[]> files;
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[CanBeNull]
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private readonly GameHost host;
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public WorkingBeatmapCache([NotNull] AudioManager audioManager, IResourceStore<byte[]> resources, IResourceStore<byte[]> files, WorkingBeatmap defaultBeatmap = null, GameHost host = null)
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{
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DefaultBeatmap = defaultBeatmap;
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this.audioManager = audioManager;
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this.resources = resources;
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this.host = host;
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this.files = files;
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largeTextureStore = new LargeTextureStore(host?.CreateTextureLoaderStore(files));
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trackStore = audioManager.GetTrackStore(files);
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}
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public void Invalidate(BeatmapSetInfo info)
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{
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if (info.Beatmaps == null) return;
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foreach (var b in info.Beatmaps)
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Invalidate(b);
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}
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public void Invalidate(BeatmapInfo info)
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{
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lock (workingCache)
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{
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var working = workingCache.FirstOrDefault(w => w.BeatmapInfo?.ID == info.ID);
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if (working != null)
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workingCache.Remove(working);
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}
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}
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public virtual WorkingBeatmap GetWorkingBeatmap(BeatmapInfo beatmapInfo)
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{
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// if there are no files, presume the full beatmap info has not yet been fetched from the database.
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if (beatmapInfo?.BeatmapSet?.Files.Count == 0)
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{
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int lookupId = beatmapInfo.ID;
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beatmapInfo = BeatmapManager.QueryBeatmap(b => b.ID == lookupId);
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}
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if (beatmapInfo?.BeatmapSet == null)
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return DefaultBeatmap;
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lock (workingCache)
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{
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var working = workingCache.FirstOrDefault(w => w.BeatmapInfo?.ID == beatmapInfo.ID);
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if (working != null)
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return working;
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beatmapInfo.Metadata ??= beatmapInfo.BeatmapSet.Metadata;
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workingCache.Add(working = new BeatmapManagerWorkingBeatmap(beatmapInfo, this));
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// best effort; may be higher than expected.
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GlobalStatistics.Get<int>(nameof(Beatmaps), $"Cached {nameof(WorkingBeatmap)}s").Value = workingCache.Count();
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return working;
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}
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}
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#region IResourceStorageProvider
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TextureStore IBeatmapResourceProvider.LargeTextureStore => largeTextureStore;
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ITrackStore IBeatmapResourceProvider.Tracks => trackStore;
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AudioManager IStorageResourceProvider.AudioManager => audioManager;
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IResourceStore<byte[]> IStorageResourceProvider.Files => files;
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IResourceStore<byte[]> IStorageResourceProvider.Resources => resources;
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IResourceStore<TextureUpload> IStorageResourceProvider.CreateTextureLoaderStore(IResourceStore<byte[]> underlyingStore) => host?.CreateTextureLoaderStore(underlyingStore);
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#endregion
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[ExcludeFromDynamicCompile]
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private class BeatmapManagerWorkingBeatmap : WorkingBeatmap
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{
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[NotNull]
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private readonly IBeatmapResourceProvider resources;
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public BeatmapManagerWorkingBeatmap(BeatmapInfo beatmapInfo, [NotNull] IBeatmapResourceProvider resources)
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: base(beatmapInfo, resources.AudioManager)
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{
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this.resources = resources;
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}
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protected override IBeatmap GetBeatmap()
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{
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if (BeatmapInfo.Path == null)
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return new Beatmap { BeatmapInfo = BeatmapInfo };
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try
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{
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using (var stream = new LineBufferedReader(GetStream(BeatmapSetInfo.GetPathForFile(BeatmapInfo.Path))))
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return Decoder.GetDecoder<Beatmap>(stream).Decode(stream);
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}
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catch (Exception e)
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{
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Logger.Error(e, "Beatmap failed to load");
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return null;
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}
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}
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protected override bool BackgroundStillValid(Texture b) => false; // bypass lazy logic. we want to return a new background each time for refcounting purposes.
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protected override Texture GetBackground()
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{
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if (Metadata?.BackgroundFile == null)
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return null;
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try
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{
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return resources.LargeTextureStore.Get(BeatmapSetInfo.GetPathForFile(Metadata.BackgroundFile));
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}
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catch (Exception e)
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{
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Logger.Error(e, "Background failed to load");
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return null;
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}
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}
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protected override Track GetBeatmapTrack()
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{
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if (Metadata?.AudioFile == null)
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return null;
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try
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{
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return resources.Tracks.Get(BeatmapSetInfo.GetPathForFile(Metadata.AudioFile));
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}
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catch (Exception e)
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{
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Logger.Error(e, "Track failed to load");
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return null;
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}
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}
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protected override Waveform GetWaveform()
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{
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if (Metadata?.AudioFile == null)
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return null;
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try
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{
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var trackData = GetStream(BeatmapSetInfo.GetPathForFile(Metadata.AudioFile));
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return trackData == null ? null : new Waveform(trackData);
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}
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catch (Exception e)
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{
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Logger.Error(e, "Waveform failed to load");
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return null;
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}
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}
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protected override Storyboard GetStoryboard()
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{
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Storyboard storyboard;
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try
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{
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using (var stream = new LineBufferedReader(GetStream(BeatmapSetInfo.GetPathForFile(BeatmapInfo.Path))))
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{
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var decoder = Decoder.GetDecoder<Storyboard>(stream);
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var storyboardFilename = BeatmapSetInfo?.Files.FirstOrDefault(f => f.Filename.EndsWith(".osb", StringComparison.OrdinalIgnoreCase))?.Filename;
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// todo: support loading from both set-wide storyboard *and* beatmap specific.
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if (string.IsNullOrEmpty(storyboardFilename))
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storyboard = decoder.Decode(stream);
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else
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{
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using (var secondaryStream = new LineBufferedReader(GetStream(BeatmapSetInfo.GetPathForFile(storyboardFilename))))
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storyboard = decoder.Decode(stream, secondaryStream);
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}
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}
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}
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catch (Exception e)
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{
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Logger.Error(e, "Storyboard failed to load");
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storyboard = new Storyboard();
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}
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storyboard.BeatmapInfo = BeatmapInfo;
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return storyboard;
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}
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protected internal override ISkin GetSkin()
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{
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try
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{
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return new LegacyBeatmapSkin(BeatmapInfo, resources.Files, resources);
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}
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catch (Exception e)
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{
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Logger.Error(e, "Skin failed to load");
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return null;
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}
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}
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public override Stream GetStream(string storagePath) => resources.Files.GetStream(storagePath);
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}
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}
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}
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