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106 lines
3.1 KiB
C#
106 lines
3.1 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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using System.Threading;
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using osu.Framework.Allocation;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Colour;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Screens;
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using osu.Game.Beatmaps;
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using osu.Game.Online.Rooms;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Screens.OnlinePlay.Components
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{
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public abstract class OnlinePlayBackgroundScreen : BackgroundScreen
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{
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private CancellationTokenSource? cancellationSource;
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private PlaylistItemBackground? background;
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protected OnlinePlayBackgroundScreen()
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: base(false)
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{
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AddInternal(new Box
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{
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RelativeSizeAxes = Axes.Both,
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Depth = float.MinValue,
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Colour = ColourInfo.GradientVertical(Color4.Black.Opacity(0.9f), Color4.Black.Opacity(0.6f))
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});
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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switchBackground(new PlaylistItemBackground(playlistItem));
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}
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private PlaylistItem? playlistItem;
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protected PlaylistItem? PlaylistItem
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{
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get => playlistItem;
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set
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{
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if (playlistItem == value)
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return;
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playlistItem = value;
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if (LoadState > LoadState.Ready)
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updateBackground();
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}
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}
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private void updateBackground()
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{
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Schedule(() =>
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{
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var beatmap = playlistItem?.Beatmap;
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string? lastCover = (background?.Beatmap?.BeatmapSet as IBeatmapSetOnlineInfo)?.Covers.Cover;
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string? newCover = (beatmap?.BeatmapSet as IBeatmapSetOnlineInfo)?.Covers.Cover;
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if (lastCover == newCover)
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return;
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cancellationSource?.Cancel();
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LoadComponentAsync(new PlaylistItemBackground(playlistItem), switchBackground, (cancellationSource = new CancellationTokenSource()).Token);
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});
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}
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private void switchBackground(PlaylistItemBackground newBackground)
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{
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float newDepth = 0;
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if (background != null)
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{
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newDepth = background.Depth + 1;
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background.FinishTransforms();
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background.FadeOut(250);
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background.Expire();
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}
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newBackground.Depth = newDepth;
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newBackground.BlurTo(new Vector2(10));
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AddInternal(background = newBackground);
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}
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public override void OnSuspending(ScreenTransitionEvent e)
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{
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base.OnSuspending(e);
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this.MoveToX(0, TRANSITION_LENGTH);
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}
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public override bool OnExiting(ScreenExitEvent e)
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{
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bool result = base.OnExiting(e);
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this.MoveToX(0);
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return result;
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}
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}
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}
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