2019-01-29 12:48:35 +00:00
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// 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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2019-01-25 06:36:22 +00:00
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using System.Collections.Generic;
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using osu.Framework.Graphics;
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using osu.Framework.Screens;
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namespace osu.Game.Screens
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{
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2019-01-31 09:10:21 +00:00
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public partial class BackgroundScreenStack : ScreenStack
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2019-01-25 06:36:22 +00:00
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{
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public BackgroundScreenStack()
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2019-03-12 08:26:16 +00:00
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: base(false)
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2019-01-25 06:36:22 +00:00
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{
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2019-01-31 09:10:21 +00:00
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RelativeSizeAxes = Axes.Both;
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2019-02-06 09:14:33 +00:00
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Anchor = Anchor.Centre;
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Origin = Anchor.Centre;
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2019-01-25 06:36:22 +00:00
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}
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2021-09-07 05:33:58 +00:00
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/// <summary>
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/// Attempt to push a new background screen to this stack.
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/// </summary>
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/// <param name="screen">The screen to attempt to push.</param>
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/// <returns>Whether the push succeeded. For example, if the existing screen was already of the correct type this will return <c>false</c>.</returns>
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2023-06-23 15:59:36 +00:00
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public bool Push(BackgroundScreen? screen)
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2019-01-25 06:36:22 +00:00
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{
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if (screen == null)
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2021-09-07 05:33:58 +00:00
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return false;
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2019-01-25 06:36:22 +00:00
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2024-08-05 09:07:46 +00:00
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bool isFirstScreen = CurrentScreen == null;
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screen.AnimateEntry = !isFirstScreen;
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if (EqualityComparer<BackgroundScreen>.Default.Equals((BackgroundScreen?)CurrentScreen, screen))
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2021-09-07 05:33:58 +00:00
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return false;
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2019-01-25 06:36:22 +00:00
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2019-01-31 09:10:21 +00:00
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base.Push(screen);
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2024-08-05 09:07:46 +00:00
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2021-09-07 05:33:58 +00:00
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return true;
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2019-01-25 06:36:22 +00:00
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}
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}
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2019-01-29 12:48:35 +00:00
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}
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