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osu-lazer/osu.Game/Screens/Backgrounds/BackgroundScreenDefault.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
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Game.Graphics.Backgrounds;
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namespace osu.Game.Screens.Backgrounds
{
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public class BackgroundScreenDefault : BackgroundScreen
{
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private int currentDisplay;
private const int background_count = 5;
private string backgroundName => $@"Menu/menu-background-{currentDisplay % background_count + 1}";
private Background current;
[BackgroundDependencyLoader]
private void load()
{
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display(new Background(backgroundName));
}
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private void display(Background newBackground)
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{
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current?.FadeOut(800, Easing.OutQuint);
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current?.Expire();
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Add(current = newBackground);
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}
public void Next()
{
currentDisplay++;
LoadComponentAsync(new Background(backgroundName) { Depth = currentDisplay }, display);
}
}
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}