mirror of https://github.com/ppy/osu
40 lines
1.2 KiB
C#
40 lines
1.2 KiB
C#
// 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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#nullable disable
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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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public class BackgroundScreenStack : ScreenStack
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{
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public BackgroundScreenStack()
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: base(false)
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{
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RelativeSizeAxes = Axes.Both;
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Anchor = Anchor.Centre;
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Origin = Anchor.Centre;
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}
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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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public bool Push(BackgroundScreen screen)
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{
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if (screen == null)
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return false;
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if (EqualityComparer<BackgroundScreen>.Default.Equals((BackgroundScreen)CurrentScreen, screen))
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return false;
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base.Push(screen);
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return true;
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}
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}
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}
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