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253 lines
8.1 KiB
C#
253 lines
8.1 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using Microsoft.EntityFrameworkCore.Internal;
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using osu.Framework.Allocation;
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using osu.Framework.Audio;
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using osu.Framework.Audio.Sample;
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using osu.Framework.Configuration;
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using osu.Framework.Graphics;
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using osu.Framework.Input.Bindings;
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using osu.Framework.Screens;
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using osu.Game.Beatmaps;
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using osu.Game.Graphics.Containers;
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using osu.Game.Input.Bindings;
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using osu.Game.Rulesets;
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using osu.Game.Screens.Menu;
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using osuTK;
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using osu.Game.Overlays;
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using osu.Framework.Graphics.Containers;
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namespace osu.Game.Screens
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{
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public abstract class OsuScreen : Screen, IKeyBindingHandler<GlobalAction>, IHasDescription
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{
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public BackgroundScreen Background { get; private set; }
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/// <summary>
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/// A user-facing title for this screen.
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/// </summary>
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public virtual string Title => GetType().ShortDisplayName();
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public string Description => Title;
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protected virtual bool AllowBackButton => true;
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public virtual bool AllowExternalScreenChange => false;
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/// <summary>
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/// Override to create a BackgroundMode for the current screen.
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/// Note that the instance created may not be the used instance if it matches the BackgroundMode equality clause.
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/// </summary>
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protected virtual BackgroundScreen CreateBackground() => null;
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private Action updateOverlayStates;
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/// <summary>
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/// Whether all overlays should be hidden when this screen is entered or resumed.
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/// </summary>
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protected virtual bool HideOverlaysOnEnter => false;
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protected readonly Bindable<OverlayActivation> OverlayActivationMode = new Bindable<OverlayActivation>();
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/// <summary>
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/// Whether overlays should be able to be opened once this screen is entered or resumed.
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/// </summary>
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protected virtual OverlayActivation InitialOverlayActivationMode => OverlayActivation.All;
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/// <summary>
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/// Whether this <see cref="OsuScreen"/> allows the cursor to be displayed.
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/// </summary>
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public virtual bool CursorVisible => true;
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protected new OsuGameBase Game => base.Game as OsuGameBase;
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private OsuLogo logo;
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/// <summary>
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/// Whether the beatmap or ruleset should be allowed to be changed by the user or game.
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/// Used to mark exclusive areas where this is strongly prohibited, like gameplay.
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/// </summary>
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public virtual bool AllowBeatmapRulesetChange => true;
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protected readonly Bindable<WorkingBeatmap> Beatmap = new Bindable<WorkingBeatmap>();
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protected virtual float BackgroundParallaxAmount => 1;
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private ParallaxContainer backgroundParallaxContainer;
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protected readonly Bindable<RulesetInfo> Ruleset = new Bindable<RulesetInfo>();
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private SampleChannel sampleExit;
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[BackgroundDependencyLoader(true)]
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private void load(BindableBeatmap beatmap, OsuGame osu, AudioManager audio, Bindable<RulesetInfo> ruleset)
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{
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Beatmap.BindTo(beatmap);
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Ruleset.BindTo(ruleset);
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if (osu != null)
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{
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OverlayActivationMode.BindTo(osu.OverlayActivationMode);
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updateOverlayStates = () =>
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{
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if (HideOverlaysOnEnter)
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osu.CloseAllOverlays();
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else
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osu.Toolbar.State = Visibility.Visible;
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};
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}
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sampleExit = audio.Sample.Get(@"UI/screen-back");
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}
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public virtual bool OnPressed(GlobalAction action)
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{
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if (!IsCurrentScreen) return false;
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if (action == GlobalAction.Back && AllowBackButton)
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{
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Exit();
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return true;
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}
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return false;
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}
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public bool OnReleased(GlobalAction action) => action == GlobalAction.Back && AllowBackButton;
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protected override void OnResuming(Screen last)
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{
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sampleExit?.Play();
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applyArrivingDefaults(true);
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base.OnResuming(last);
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}
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protected override void OnSuspending(Screen next)
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{
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base.OnSuspending(next);
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onSuspendingLogo();
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}
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protected override void OnEntering(Screen last)
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{
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OsuScreen lastOsu = last as OsuScreen;
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BackgroundScreen bg = CreateBackground();
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if (lastOsu?.Background != null)
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{
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backgroundParallaxContainer = lastOsu.backgroundParallaxContainer;
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if (bg == null || lastOsu.Background.Equals(bg))
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//we can keep the previous mode's background.
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Background = lastOsu.Background;
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else
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{
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lastOsu.Background.Push(Background = bg);
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}
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}
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else if (bg != null)
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{
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// this makes up for the fact our padding changes when the global toolbar is visible.
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bg.Scale = new Vector2(1.06f);
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AddInternal(backgroundParallaxContainer = new ParallaxContainer
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{
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Depth = float.MaxValue,
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Children = new[]
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{
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Background = bg
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}
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});
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}
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if ((logo = lastOsu?.logo) == null)
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LoadComponentAsync(logo = new OsuLogo { Alpha = 0 }, AddInternal);
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applyArrivingDefaults(false);
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base.OnEntering(last);
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}
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protected override bool OnExiting(Screen next)
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{
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if (ValidForResume && logo != null)
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onExitingLogo();
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OsuScreen nextOsu = next as OsuScreen;
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if (Background != null && !Background.Equals(nextOsu?.Background))
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{
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Background.Exit();
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//We need to use MakeCurrent in case we are jumping up multiple game screens.
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nextOsu?.Background?.MakeCurrent();
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}
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if (base.OnExiting(next))
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return true;
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Beatmap.UnbindAll();
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return false;
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}
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/// <summary>
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/// Fired when this screen was entered or resumed and the logo state is required to be adjusted.
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/// </summary>
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protected virtual void LogoArriving(OsuLogo logo, bool resuming)
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{
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logo.Action = null;
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logo.FadeOut(300, Easing.OutQuint);
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logo.Anchor = Anchor.TopLeft;
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logo.Origin = Anchor.Centre;
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logo.RelativePositionAxes = Axes.None;
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logo.BeatMatching = true;
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logo.Triangles = true;
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logo.Ripple = true;
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}
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private void applyArrivingDefaults(bool isResuming)
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{
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logo.AppendAnimatingAction(() =>
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{
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if (IsCurrentScreen) LogoArriving(logo, isResuming);
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}, true);
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if (backgroundParallaxContainer != null)
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backgroundParallaxContainer.ParallaxAmount = ParallaxContainer.DEFAULT_PARALLAX_AMOUNT * BackgroundParallaxAmount;
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OverlayActivationMode.Value = InitialOverlayActivationMode;
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updateOverlayStates?.Invoke();
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}
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private void onExitingLogo()
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{
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logo.AppendAnimatingAction(() => { LogoExiting(logo); }, false);
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}
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/// <summary>
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/// Fired when this screen was exited to add any outwards transition to the logo.
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/// </summary>
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protected virtual void LogoExiting(OsuLogo logo)
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{
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}
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private void onSuspendingLogo()
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{
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logo.AppendAnimatingAction(() => { LogoSuspending(logo); }, false);
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}
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/// <summary>
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/// Fired when this screen was suspended to add any outwards transition to the logo.
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/// </summary>
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protected virtual void LogoSuspending(OsuLogo logo)
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{
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}
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}
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}
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