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osu-lazer/osu.Game/Screens/Backgrounds/BackgroundScreenDefault.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
using osu.Framework.MathUtils;
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using osu.Framework.Threading;
using osu.Game.Graphics.Backgrounds;
using osu.Game.Online.API;
using osu.Game.Skinning;
using osu.Game.Users;
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namespace osu.Game.Screens.Backgrounds
{
public class BackgroundScreenDefault : BackgroundScreen
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{
private Background background;
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private int currentDisplay;
private const int background_count = 7;
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private string backgroundName => $@"Menu/menu-background-{currentDisplay % background_count + 1}";
private Bindable<User> user;
private Bindable<Skin> skin;
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[BackgroundDependencyLoader]
private void load(IAPIProvider api, SkinManager skinManager)
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{
user = api.LocalUser.GetBoundCopy();
skin = skinManager.CurrentSkin.GetBoundCopy();
user.ValueChanged += _ => Next();
skin.ValueChanged += _ => Next();
currentDisplay = RNG.Next(0, background_count);
display(createBackground());
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}
private void display(Background newBackground)
{
background?.FadeOut(800, Easing.InOutSine);
background?.Expire();
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AddInternal(background = newBackground);
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currentDisplay++;
}
private ScheduledDelegate nextTask;
public void Next()
{
nextTask?.Cancel();
nextTask = Scheduler.AddDelayed(() => { LoadComponentAsync(createBackground(), display); }, 100);
}
private Background createBackground()
{
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Background newBackground;
if (user.Value?.IsSupporter ?? false)
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newBackground = new SkinnedBackground(skin.Value, backgroundName);
else
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newBackground = new Background(backgroundName);
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newBackground.Depth = currentDisplay;
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return newBackground;
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}
private class SkinnedBackground : Background
{
private readonly Skin skin;
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public SkinnedBackground(Skin skin, string fallbackTextureName)
: base(fallbackTextureName)
{
this.skin = skin;
}
[BackgroundDependencyLoader]
private void load()
{
Sprite.Texture = skin.GetTexture("menu-background") ?? Sprite.Texture;
}
}
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}
}