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437 lines
14 KiB
C#
437 lines
14 KiB
C#
// Copyright (c) 2007-2017 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 System.Threading;
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using OpenTK;
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using OpenTK.Input;
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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.Audio.Track;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input;
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using osu.Framework.Screens;
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using osu.Framework.Threading;
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using osu.Game.Beatmaps;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
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using osu.Game.Overlays;
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using osu.Game.Screens.Backgrounds;
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using osu.Game.Screens.Select.Options;
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namespace osu.Game.Screens.Select
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{
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public abstract class SongSelect : OsuScreen
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{
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private BeatmapManager manager;
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protected override BackgroundScreen CreateBackground() => new BackgroundScreenBeatmap();
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private readonly BeatmapCarousel carousel;
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private DialogOverlay dialogOverlay;
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private static readonly Vector2 wedged_container_size = new Vector2(0.5f, 245);
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private const float left_area_padding = 20;
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private readonly BeatmapInfoWedge beatmapInfoWedge;
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protected Container LeftContent;
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private static readonly Vector2 background_blur = new Vector2(20);
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private CancellationTokenSource initialAddSetsTask;
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private SampleChannel sampleChangeDifficulty;
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private SampleChannel sampleChangeBeatmap;
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protected virtual bool ShowFooter => true;
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/// <summary>
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/// Can be null if <see cref="ShowFooter"/> is false.
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/// </summary>
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protected readonly BeatmapOptionsOverlay BeatmapOptions;
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/// <summary>
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/// Can be null if <see cref="ShowFooter"/> is false.
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/// </summary>
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protected readonly Footer Footer;
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/// <summary>
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/// Contains any panel which is triggered by a footer button.
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/// Helps keep them located beneath the footer itself.
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/// </summary>
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protected readonly Container FooterPanels;
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public readonly FilterControl FilterControl;
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protected SongSelect()
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{
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const float carousel_width = 640;
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const float filter_height = 100;
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Add(new ParallaxContainer
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{
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Padding = new MarginPadding { Top = filter_height },
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ParallaxAmount = 0.005f,
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RelativeSizeAxes = Axes.Both,
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Children = new[]
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{
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new WedgeBackground
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{
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RelativeSizeAxes = Axes.Both,
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Padding = new MarginPadding { Right = carousel_width * 0.76f },
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}
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}
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});
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Add(LeftContent = new Container
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{
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Origin = Anchor.BottomLeft,
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Anchor = Anchor.BottomLeft,
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RelativeSizeAxes = Axes.Both,
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Size = new Vector2(wedged_container_size.X, 1),
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Padding = new MarginPadding
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{
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Bottom = 50,
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Top = wedged_container_size.Y + left_area_padding,
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Left = left_area_padding,
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Right = left_area_padding * 2,
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}
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});
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Add(carousel = new BeatmapCarousel
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{
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RelativeSizeAxes = Axes.Y,
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Size = new Vector2(carousel_width, 1),
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Anchor = Anchor.CentreRight,
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Origin = Anchor.CentreRight,
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SelectionChanged = carouselSelectionChanged,
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BeatmapsChanged = carouselBeatmapsLoaded,
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StartRequested = () => carouselRaisedStart(),
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});
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Add(FilterControl = new FilterControl
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{
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RelativeSizeAxes = Axes.X,
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Height = filter_height,
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FilterChanged = criteria => filterChanged(criteria),
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Exit = Exit,
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});
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Add(beatmapInfoWedge = new BeatmapInfoWedge
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{
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Alpha = 0,
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Size = wedged_container_size,
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RelativeSizeAxes = Axes.X,
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Margin = new MarginPadding
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{
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Top = left_area_padding,
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Right = left_area_padding,
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},
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});
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Add(new ResetScrollContainer(() => carousel.ScrollToSelected())
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{
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RelativeSizeAxes = Axes.Y,
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Width = 250,
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});
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if (ShowFooter)
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{
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Add(FooterPanels = new Container
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{
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Anchor = Anchor.BottomLeft,
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Origin = Anchor.BottomLeft,
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Margin = new MarginPadding
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{
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Bottom = Footer.HEIGHT,
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},
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});
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Add(Footer = new Footer
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{
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OnBack = Exit,
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OnStart = () => carouselRaisedStart(),
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});
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FooterPanels.Add(BeatmapOptions = new BeatmapOptionsOverlay());
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}
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}
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[BackgroundDependencyLoader(permitNulls: true)]
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private void load(BeatmapManager beatmaps, AudioManager audio, DialogOverlay dialog, OsuGame osu, OsuColour colours, UserInputManager input)
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{
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if (Footer != null)
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{
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Footer.AddButton(@"random", colours.Green, () => triggerRandom(input), Key.F2);
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Footer.AddButton(@"options", colours.Blue, BeatmapOptions.ToggleVisibility, Key.F3);
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BeatmapOptions.AddButton(@"Delete", @"Beatmap", FontAwesome.fa_trash, colours.Pink, promptDelete, Key.Number4, float.MaxValue);
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}
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if (manager == null)
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manager = beatmaps;
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if (osu != null)
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Ruleset.BindTo(osu.Ruleset);
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manager.BeatmapSetAdded += onBeatmapSetAdded;
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manager.BeatmapSetRemoved += onBeatmapSetRemoved;
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dialogOverlay = dialog;
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sampleChangeDifficulty = audio.Sample.Get(@"SongSelect/select-difficulty");
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sampleChangeBeatmap = audio.Sample.Get(@"SongSelect/select-expand");
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initialAddSetsTask = new CancellationTokenSource();
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carousel.Beatmaps = manager.GetAllUsableBeatmapSets();
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Beatmap.ValueChanged += beatmap_ValueChanged;
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Beatmap.DisabledChanged += disabled => carousel.AllowSelection = !disabled;
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carousel.AllowSelection = !Beatmap.Disabled;
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}
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private void carouselBeatmapsLoaded()
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{
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if (Beatmap.Value.BeatmapSetInfo?.DeletePending == false)
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carousel.SelectBeatmap(Beatmap.Value.BeatmapInfo, false);
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else
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carousel.SelectNext();
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}
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private void carouselRaisedStart(InputState state = null)
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{
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// if we have a pending filter operation, we want to run it now.
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// it could change selection (ie. if the ruleset has been changed).
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carousel.FlushPendingFilters();
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if (selectionChangedDebounce?.Completed == false)
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{
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selectionChangedDebounce.RunTask();
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selectionChangedDebounce.Cancel(); // cancel the already scheduled task.
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selectionChangedDebounce = null;
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}
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OnSelected(state);
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}
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private ScheduledDelegate selectionChangedDebounce;
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// We need to keep track of the last selected beatmap ignoring debounce to play the correct selection sounds.
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private BeatmapInfo beatmapNoDebounce;
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/// <summary>
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/// selection has been changed as the result of interaction with the carousel.
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/// </summary>
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private void carouselSelectionChanged(BeatmapInfo beatmap)
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{
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Action performLoad = delegate
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{
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// We may be arriving here due to another component changing the bindable Beatmap.
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// In these cases, the other component has already loaded the beatmap, so we don't need to do so again.
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if (beatmap?.Equals(Beatmap.Value.BeatmapInfo) != true)
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{
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bool preview = beatmap?.BeatmapSetInfoID != Beatmap.Value.BeatmapInfo.BeatmapSetInfoID;
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Beatmap.Value = manager.GetWorkingBeatmap(beatmap, Beatmap);
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ensurePlayingSelected(preview);
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}
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changeBackground(Beatmap.Value);
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};
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selectionChangedDebounce?.Cancel();
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if (beatmap?.Equals(beatmapNoDebounce) == true)
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return;
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beatmapNoDebounce = beatmap;
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if (beatmap == null)
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{
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if (!Beatmap.IsDefault)
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performLoad();
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}
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else
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{
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Ruleset.Value = beatmap.Ruleset;
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if (beatmap.BeatmapSetInfoID == beatmapNoDebounce?.BeatmapSetInfoID)
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sampleChangeDifficulty.Play();
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else
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sampleChangeBeatmap.Play();
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if (beatmap == Beatmap.Value.BeatmapInfo)
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performLoad();
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else
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selectionChangedDebounce = Scheduler.AddDelayed(performLoad, 100);
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}
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}
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private void triggerRandom(UserInputManager input)
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{
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if (input.CurrentState.Keyboard.ShiftPressed)
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carousel.SelectPreviousRandom();
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else
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carousel.SelectNextRandom();
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}
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protected abstract void OnSelected(InputState state);
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private void filterChanged(FilterCriteria criteria, bool debounce = true)
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{
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carousel.Filter(criteria, debounce);
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}
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private void onBeatmapSetAdded(BeatmapSetInfo s) => Schedule(() => addBeatmapSet(s));
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private void onBeatmapSetRemoved(BeatmapSetInfo s) => Schedule(() => removeBeatmapSet(s));
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protected override void OnEntering(Screen last)
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{
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base.OnEntering(last);
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Content.FadeInFromZero(250);
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FilterControl.Activate();
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}
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private void beatmap_ValueChanged(WorkingBeatmap beatmap)
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{
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if (!IsCurrentScreen) return;
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carousel.SelectBeatmap(beatmap?.BeatmapInfo);
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}
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protected override void OnResuming(Screen last)
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{
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if (Beatmap != null && !Beatmap.Value.BeatmapSetInfo.DeletePending)
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{
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changeBackground(Beatmap);
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ensurePlayingSelected();
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}
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base.OnResuming(last);
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Content.FadeIn(250);
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Content.ScaleTo(1, 250, Easing.OutSine);
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FilterControl.Activate();
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}
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protected override void OnSuspending(Screen next)
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{
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Content.ScaleTo(1.1f, 250, Easing.InSine);
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Content.FadeOut(250);
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FilterControl.Deactivate();
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base.OnSuspending(next);
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}
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protected override bool OnExiting(Screen next)
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{
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beatmapInfoWedge.State = Visibility.Hidden;
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Content.FadeOut(100);
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FilterControl.Deactivate();
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return base.OnExiting(next);
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}
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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if (manager != null)
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{
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manager.BeatmapSetAdded -= onBeatmapSetAdded;
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manager.BeatmapSetRemoved -= onBeatmapSetRemoved;
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}
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initialAddSetsTask?.Cancel();
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}
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private void changeBackground(WorkingBeatmap beatmap)
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{
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var backgroundModeBeatmap = Background as BackgroundScreenBeatmap;
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if (backgroundModeBeatmap != null)
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{
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backgroundModeBeatmap.Beatmap = beatmap;
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backgroundModeBeatmap.BlurTo(background_blur, 1000);
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backgroundModeBeatmap.FadeTo(1, 250);
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}
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beatmapInfoWedge.State = Visibility.Visible;
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beatmapInfoWedge.UpdateBeatmap(beatmap);
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}
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private void ensurePlayingSelected(bool preview = false)
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{
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Track track = Beatmap.Value.Track;
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if (!track.IsRunning)
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{
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if (preview) track.Seek(Beatmap.Value.Metadata.PreviewTime);
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track.Start();
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}
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}
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private void addBeatmapSet(BeatmapSetInfo beatmapSet)
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{
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carousel.AddBeatmap(beatmapSet);
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}
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private void removeBeatmapSet(BeatmapSetInfo beatmapSet)
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{
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carousel.RemoveBeatmap(beatmapSet);
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if (carousel.SelectedBeatmap == null)
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Beatmap.SetDefault();
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}
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private void promptDelete()
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{
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if (Beatmap != null && !Beatmap.IsDefault)
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dialogOverlay?.Push(new BeatmapDeleteDialog(Beatmap));
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}
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protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
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{
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if (args.Repeat) return false;
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switch (args.Key)
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{
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case Key.KeypadEnter:
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case Key.Enter:
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carouselRaisedStart(state);
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return true;
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case Key.Delete:
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if (state.Keyboard.ShiftPressed)
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{
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promptDelete();
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return true;
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}
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break;
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}
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return base.OnKeyDown(state, args);
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}
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private class ResetScrollContainer : Container
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{
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private readonly Action onHoverAction;
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public ResetScrollContainer(Action onHoverAction)
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{
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this.onHoverAction = onHoverAction;
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}
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protected override bool OnHover(InputState state)
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{
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onHoverAction?.Invoke();
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return base.OnHover(state);
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}
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}
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}
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}
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