mirror of https://github.com/ppy/osu
116 lines
3.7 KiB
C#
116 lines
3.7 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.Threading;
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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.Textures;
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using osu.Game.Beatmaps;
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using osu.Game.Graphics.Backgrounds;
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using osu.Game.Graphics.Containers;
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namespace osu.Game.Screens.Backgrounds
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{
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public class BackgroundScreenBeatmap : BackgroundScreen
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{
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protected Background Background;
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private WorkingBeatmap beatmap;
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/// <summary>
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/// Whether or not user dim settings should be applied to this Background.
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/// </summary>
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public readonly Bindable<bool> EnableUserDim = new Bindable<bool>();
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public readonly Bindable<bool> StoryboardReplacesBackground = new Bindable<bool>();
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/// <summary>
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/// The amount of blur to be applied in addition to user-specified blur.
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/// </summary>
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public readonly Bindable<float> BlurAmount = new Bindable<float>();
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private readonly UserDimContainer fadeContainer;
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protected virtual UserDimContainer CreateFadeContainer() => new UserDimContainer { RelativeSizeAxes = Axes.Both };
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public BackgroundScreenBeatmap(WorkingBeatmap beatmap = null)
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{
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Beatmap = beatmap;
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InternalChild = fadeContainer = CreateFadeContainer();
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fadeContainer.EnableUserDim.BindTo(EnableUserDim);
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fadeContainer.BlurAmount.BindTo(BlurAmount);
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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var background = new BeatmapBackground(beatmap);
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LoadComponent(background);
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switchBackground(background);
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}
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private CancellationTokenSource cancellationSource;
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public WorkingBeatmap Beatmap
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{
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get => beatmap;
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set
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{
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if (beatmap == value && beatmap != null)
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return;
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beatmap = value;
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Schedule(() =>
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{
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if ((Background as BeatmapBackground)?.Beatmap == beatmap)
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return;
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cancellationSource?.Cancel();
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LoadComponentAsync(new BeatmapBackground(beatmap), switchBackground, (cancellationSource = new CancellationTokenSource()).Token);
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});
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}
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}
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private void switchBackground(BeatmapBackground b)
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{
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float newDepth = 0;
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if (Background != null)
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{
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newDepth = Background.Depth + 1;
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Background.FinishTransforms();
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Background.FadeOut(250);
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Background.Expire();
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}
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b.Depth = newDepth;
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fadeContainer.Background = Background = b;
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StoryboardReplacesBackground.BindTo(fadeContainer.StoryboardReplacesBackground);
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}
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public override bool Equals(BackgroundScreen other)
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{
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if (!(other is BackgroundScreenBeatmap otherBeatmapBackground)) return false;
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return base.Equals(other) && beatmap == otherBeatmapBackground.Beatmap;
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}
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protected class BeatmapBackground : Background
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{
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public readonly WorkingBeatmap Beatmap;
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public BeatmapBackground(WorkingBeatmap beatmap)
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{
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Beatmap = beatmap;
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}
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[BackgroundDependencyLoader]
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private void load(TextureStore textures)
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{
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Sprite.Texture = Beatmap?.Background ?? textures.Get(@"Backgrounds/bg1");
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}
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}
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}
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}
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