2019-01-24 16:43:03 +08:00
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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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2018-12-25 16:59:28 +08:00
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using osu.Framework.Allocation;
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2019-02-21 18:04:31 +08:00
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using osu.Framework.Bindables;
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2018-12-25 16:59:28 +08:00
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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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2019-03-06 17:18:47 +08:00
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/// Display a beatmap background from a local source, but fallback to online source if not available.
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2018-12-25 16:59:28 +08:00
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/// </summary>
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public class UpdateableBeatmapBackgroundSprite : ModelBackedDrawable<BeatmapInfo>
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{
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2019-02-11 18:11:34 +08:00
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public readonly Bindable<BeatmapInfo> Beatmap = new Bindable<BeatmapInfo>();
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2018-12-25 16:59:28 +08:00
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[Resolved]
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private BeatmapManager beatmaps { get; set; }
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2019-03-05 11:08:14 +08:00
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private readonly BeatmapSetCoverType beatmapSetCoverType;
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2019-03-05 17:59:25 +08:00
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public UpdateableBeatmapBackgroundSprite(BeatmapSetCoverType beatmapSetCoverType = BeatmapSetCoverType.Cover)
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2018-12-25 16:59:28 +08:00
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{
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2019-02-22 19:13:38 +08:00
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Beatmap.BindValueChanged(b => Model = b.NewValue);
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2019-03-05 11:08:14 +08:00
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this.beatmapSetCoverType = beatmapSetCoverType;
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2018-12-25 16:59:28 +08:00
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}
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2019-03-06 17:18:47 +08:00
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private BeatmapInfo lastModel;
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protected override DelayedLoadWrapper CreateDelayedLoadWrapper(Drawable content, double timeBeforeLoad)
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2018-12-25 16:59:28 +08:00
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{
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2019-02-28 12:31:40 +08:00
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return new DelayedLoadUnloadWrapper(() =>
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{
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2019-03-06 17:18:47 +08:00
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// If DelayedLoadUnloadWrapper is attempting to RELOAD the same content (Beatmap), that means that it was
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// previously UNLOADED and thus its children have been disposed of, so we need to recreate them here.
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2019-03-06 17:53:53 +08:00
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if (lastModel == Beatmap.Value && Beatmap.Value != null)
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return CreateDrawable(Beatmap.Value);
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// If the model has changed since the previous unload (or if there was no load), then we can safely use the given content
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lastModel = Beatmap.Value;
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return content;
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2019-03-06 17:56:40 +08:00
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}, timeBeforeLoad, 10000);
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2018-12-25 16:59:28 +08:00
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}
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2019-03-06 17:18:47 +08:00
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protected override Drawable CreateDrawable(BeatmapInfo model)
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{
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Drawable drawable;
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var localBeatmap = beatmaps.GetWorkingBeatmap(model);
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if (model?.BeatmapSet?.OnlineInfo != null)
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{
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drawable = new BeatmapSetCover(model.BeatmapSet, beatmapSetCoverType);
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}
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else if (localBeatmap.BeatmapInfo.ID != 0)
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{
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// Fall back to local background if one exists
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drawable = new BeatmapBackgroundSprite(localBeatmap);
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}
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else
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{
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// Use the default background if somehow an online set does not exist and we don't have a local copy.
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drawable = new BeatmapBackgroundSprite(beatmaps.DefaultBeatmap);
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}
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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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drawable.OnLoadComplete = d => d.FadeInFromZero(400);
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return drawable;
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}
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2018-12-25 16:59:28 +08:00
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}
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}
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