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Code Issues Releases Wiki Activity

Add simple (weak) WorkingBeatmap cache

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This commit is contained in:
Dean Herbert 2019-06-26 14:08:19 +09:00
parent 1072431fbb
commit ef384b8667
1 changed files with 9 additions and 0 deletions
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9
osu.Game/Beatmaps/BeatmapManager.cs
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@ -13,6 +13,7 @@ using osu.Framework.Audio;
using osu.Framework.Audio.Track;
using osu.Framework.Extensions;
using osu.Framework.Graphics.Textures;
using osu.Framework.Lists;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Framework.Threading;
@ -157,6 +158,8 @@ namespace osu.Game.Beatmaps
/// <param name="beatmap">The beatmap difficulty to restore.</param>
public void Restore(BeatmapInfo beatmap) => beatmaps.Restore(beatmap);
private readonly WeakList<WorkingBeatmap> workingCache = new WeakList<WorkingBeatmap>();
/// <summary>
/// Retrieve a <see cref="WorkingBeatmap"/> instance for the provided <see cref="BeatmapInfo"/>
/// </summary>
@ -171,12 +174,18 @@ namespace osu.Game.Beatmaps
if (beatmapInfo?.BeatmapSet == null || beatmapInfo == DefaultBeatmap?.BeatmapInfo)
return DefaultBeatmap;
var cached = workingCache.FirstOrDefault(w => w.BeatmapInfo?.ID == beatmapInfo.ID);
if (cached != null)
return cached;
if (beatmapInfo.Metadata == null)
beatmapInfo.Metadata = beatmapInfo.BeatmapSet.Metadata;
WorkingBeatmap working = new BeatmapManagerWorkingBeatmap(Files.Store, new LargeTextureStore(host?.CreateTextureLoaderStore(Files.Store)), beatmapInfo, audioManager);
previous?.TransferTo(working);
workingCache.Add(working);
return working;
}