mirror of https://github.com/ppy/osu
69 lines
2.5 KiB
C#
69 lines
2.5 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 osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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namespace osu.Game.Beatmaps.Drawables
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{
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/// <summary>
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/// Display a beatmap background from a local source, but fallback to online source if not available.
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/// </summary>
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public partial class UpdateableBeatmapBackgroundSprite : ModelBackedDrawable<IBeatmapInfo>
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{
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public readonly Bindable<IBeatmapInfo> Beatmap = new Bindable<IBeatmapInfo>();
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protected override double LoadDelay => 500;
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[Resolved]
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private BeatmapManager beatmaps { get; set; } = null!;
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private readonly BeatmapSetCoverType beatmapSetCoverType;
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public UpdateableBeatmapBackgroundSprite(BeatmapSetCoverType beatmapSetCoverType = BeatmapSetCoverType.Cover)
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{
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Beatmap.BindValueChanged(b => Model = b.NewValue);
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this.beatmapSetCoverType = beatmapSetCoverType;
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}
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/// <summary>
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/// Delay before the background is unloaded while off-screen.
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/// </summary>
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protected virtual double UnloadDelay => 10000;
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protected override DelayedLoadWrapper CreateDelayedLoadWrapper(Func<Drawable> createContentFunc, double timeBeforeLoad) =>
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new DelayedLoadUnloadWrapper(createContentFunc, timeBeforeLoad, UnloadDelay) { RelativeSizeAxes = Axes.Both };
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protected override double TransformDuration => 400;
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protected override Drawable CreateDrawable(IBeatmapInfo? model)
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{
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var drawable = getDrawableForModel(model);
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drawable.RelativeSizeAxes = Axes.Both;
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drawable.Anchor = Anchor.Centre;
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drawable.Origin = Anchor.Centre;
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drawable.FillMode = FillMode.Fill;
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return drawable;
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}
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private Drawable getDrawableForModel(IBeatmapInfo? model)
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{
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if (model == null)
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return Empty();
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// prefer online cover where available.
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if (model.BeatmapSet is IBeatmapSetOnlineInfo online)
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return new OnlineBeatmapSetCover(online, beatmapSetCoverType);
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if (model is BeatmapInfo localModel)
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return new BeatmapBackgroundSprite(beatmaps.GetWorkingBeatmap(localModel));
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return new BeatmapBackgroundSprite(beatmaps.DefaultBeatmap);
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}
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}
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}
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