osu/osu.Game/Screens/Backgrounds/BackgroundScreenBeatmap.cs

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// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Allocation;
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using osu.Framework.Graphics;
using OpenTK;
using osu.Game.Beatmaps;
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using osu.Game.Graphics.Backgrounds;
namespace osu.Game.Screens.Backgrounds
{
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public class BackgroundScreenBeatmap : BackgroundScreen
{
private Background background;
private WorkingBeatmap beatmap;
private Vector2 blurTarget;
public WorkingBeatmap Beatmap
{
get
{
return beatmap;
}
set
{
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if (beatmap == value && beatmap != null)
return;
beatmap = value;
Schedule(() =>
{
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var newBackground = beatmap == null ? new Background(@"Backgrounds/bg1") : new BeatmapBackground(beatmap);
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LoadComponentAsync(newBackground, delegate
{
float newDepth = 0;
if (background != null)
{
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newDepth = background.Depth + 1;
background.Flush();
background.FadeOut(250);
background.Expire();
}
newBackground.Depth = newDepth;
Add(background = newBackground);
background.BlurSigma = blurTarget;
});
});
}
}
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public BackgroundScreenBeatmap(WorkingBeatmap beatmap)
{
Beatmap = beatmap;
}
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public void BlurTo(Vector2 sigma, double duration, EasingTypes easing = EasingTypes.None)
{
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background?.BlurTo(sigma, duration, easing);
blurTarget = sigma;
}
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public override bool Equals(BackgroundScreen other)
{
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var otherBeatmapBackground = other as BackgroundScreenBeatmap;
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if (otherBeatmapBackground == null) return false;
return base.Equals(other) && beatmap == otherBeatmapBackground.Beatmap;
}
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private class BeatmapBackground : Background
{
private readonly WorkingBeatmap beatmap;
public BeatmapBackground(WorkingBeatmap beatmap)
{
this.beatmap = beatmap;
}
[BackgroundDependencyLoader]
private void load()
{
Sprite.Texture = beatmap?.Background;
}
}
}
}