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472 lines
18 KiB
C#
472 lines
18 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.Diagnostics;
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using System.Linq;
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using System.Threading.Tasks;
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using OpenTK;
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using OpenTK.Graphics;
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using osu.Framework.Allocation;
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using osu.Framework.Configuration;
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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.Containers;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input;
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using osu.Framework.Localisation;
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using osu.Game.Beatmaps;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Sprites;
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using osu.Framework.Threading;
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using osu.Game.Overlays.Music;
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using osu.Game.Graphics.UserInterface;
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using osu.Framework.Graphics.Shapes;
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using osu.Game.Graphics.Containers;
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namespace osu.Game.Overlays
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{
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public class MusicController : OsuFocusedOverlayContainer
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{
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private const float player_height = 130;
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private const float transition_length = 800;
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private const float progress_height = 10;
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private const float bottom_black_area_height = 55;
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private Drawable currentBackground;
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private ProgressBar progressBar;
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private IconButton playButton;
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private IconButton playlistButton;
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private SpriteText title, artist;
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private PlaylistOverlay playlist;
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private LocalisationEngine localisation;
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private readonly Bindable<WorkingBeatmap> beatmapBacking = new Bindable<WorkingBeatmap>();
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private Container dragContainer;
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private Container playerContainer;
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public MusicController()
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{
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Width = 400;
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Margin = new MarginPadding(10);
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// required to let MusicController handle beatmap cycling.
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AlwaysPresent = true;
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}
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protected override bool OnDragStart(InputState state) => true;
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protected override bool OnDrag(InputState state)
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{
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Trace.Assert(state.Mouse.PositionMouseDown != null, "state.Mouse.PositionMouseDown != null");
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Vector2 change = state.Mouse.Position - state.Mouse.PositionMouseDown.Value;
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// Diminish the drag distance as we go further to simulate "rubber band" feeling.
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change *= change.Length <= 0 ? 0 : (float)Math.Pow(change.Length, 0.7f) / change.Length;
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dragContainer.MoveTo(change);
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return base.OnDrag(state);
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}
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protected override bool OnDragEnd(InputState state)
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{
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dragContainer.MoveTo(Vector2.Zero, 800, Easing.OutElastic);
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return base.OnDragEnd(state);
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}
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[BackgroundDependencyLoader]
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private void load(OsuGameBase game, OsuColour colours, LocalisationEngine localisation)
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{
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this.localisation = localisation;
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Children = new Drawable[]
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{
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dragContainer = new Container
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Children = new Drawable[]
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{
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playlist = new PlaylistOverlay
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{
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RelativeSizeAxes = Axes.X,
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Y = player_height + 10,
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},
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playerContainer = new Container
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{
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RelativeSizeAxes = Axes.X,
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Height = player_height,
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Masking = true,
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CornerRadius = 5,
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EdgeEffect = new EdgeEffectParameters
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{
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Type = EdgeEffectType.Shadow,
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Colour = Color4.Black.Opacity(40),
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Radius = 5,
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},
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Children = new[]
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{
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currentBackground = new Background(),
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title = new OsuSpriteText
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{
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Origin = Anchor.BottomCentre,
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Anchor = Anchor.TopCentre,
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Position = new Vector2(0, 40),
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TextSize = 25,
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Colour = Color4.White,
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Text = @"Nothing to play",
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Font = @"Exo2.0-MediumItalic"
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},
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artist = new OsuSpriteText
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{
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Origin = Anchor.TopCentre,
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Anchor = Anchor.TopCentre,
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Position = new Vector2(0, 45),
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TextSize = 15,
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Colour = Color4.White,
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Text = @"Nothing to play",
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Font = @"Exo2.0-BoldItalic"
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},
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new Container
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{
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Padding = new MarginPadding { Bottom = progress_height },
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Height = bottom_black_area_height,
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RelativeSizeAxes = Axes.X,
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Origin = Anchor.BottomCentre,
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Anchor = Anchor.BottomCentre,
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Children = new Drawable[]
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{
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new FillFlowContainer<IconButton>
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{
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AutoSizeAxes = Axes.Both,
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Direction = FillDirection.Horizontal,
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Spacing = new Vector2(5),
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Origin = Anchor.Centre,
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Anchor = Anchor.Centre,
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Children = new[]
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{
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new IconButton
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{
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Action = prev,
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Icon = FontAwesome.fa_step_backward,
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},
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playButton = new IconButton
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{
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Scale = new Vector2(1.4f),
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IconScale = new Vector2(1.4f),
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Action = play,
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Icon = FontAwesome.fa_play_circle_o,
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},
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new IconButton
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{
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Action = next,
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Icon = FontAwesome.fa_step_forward,
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},
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}
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},
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playlistButton = new IconButton
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{
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Origin = Anchor.Centre,
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Anchor = Anchor.CentreRight,
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Position = new Vector2(-bottom_black_area_height / 2, 0),
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Icon = FontAwesome.fa_bars,
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Action = () => playlist.ToggleVisibility(),
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},
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}
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},
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progressBar = new ProgressBar
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{
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Origin = Anchor.BottomCentre,
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Anchor = Anchor.BottomCentre,
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Height = progress_height,
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FillColour = colours.Yellow,
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OnSeek = progress => current?.Track.Seek(progress)
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}
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},
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},
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}
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}
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};
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beatmapBacking.BindTo(game.Beatmap);
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playlist.StateChanged += (c, s) => playlistButton.FadeColour(s == Visibility.Visible ? colours.Yellow : Color4.White, 200, Easing.OutQuint);
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}
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protected override void LoadComplete()
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{
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beatmapBacking.ValueChanged += beatmapChanged;
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beatmapBacking.TriggerChange();
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base.LoadComplete();
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}
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protected override void UpdateAfterChildren()
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{
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base.UpdateAfterChildren();
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Height = dragContainer.Height;
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}
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protected override void Update()
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{
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base.Update();
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if (current?.TrackLoaded ?? false)
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{
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var track = current.Track;
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progressBar.EndTime = track.Length;
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progressBar.CurrentTime = track.CurrentTime;
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playButton.Icon = track.IsRunning ? FontAwesome.fa_pause_circle_o : FontAwesome.fa_play_circle_o;
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if (track.HasCompleted && !track.Looping) next();
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}
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else
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playButton.Icon = FontAwesome.fa_play_circle_o;
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}
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private void play()
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{
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var track = current?.Track;
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if (track == null)
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{
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playlist.PlayNext();
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return;
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}
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if (track.IsRunning)
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track.Stop();
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else
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track.Start();
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}
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private void prev()
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{
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if (beatmapBacking.Disabled) return;
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queuedDirection = TransformDirection.Prev;
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playlist.PlayPrevious();
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}
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private void next()
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{
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if (beatmapBacking.Disabled) return;
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queuedDirection = TransformDirection.Next;
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playlist.PlayNext();
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}
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private WorkingBeatmap current;
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private TransformDirection? queuedDirection;
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private void beatmapChanged(WorkingBeatmap beatmap)
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{
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TransformDirection direction = TransformDirection.None;
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if (current != null)
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{
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bool audioEquals = beatmap?.BeatmapInfo?.AudioEquals(current.BeatmapInfo) ?? false;
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if (audioEquals)
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direction = TransformDirection.None;
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else if (queuedDirection.HasValue)
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{
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direction = queuedDirection.Value;
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queuedDirection = null;
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}
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else
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{
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//figure out the best direction based on order in playlist.
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var last = playlist.BeatmapSets.TakeWhile(b => b.ID != current.BeatmapSetInfo.ID).Count();
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var next = beatmap == null ? -1 : playlist.BeatmapSets.TakeWhile(b => b.ID != beatmap.BeatmapSetInfo.ID).Count();
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direction = last > next ? TransformDirection.Prev : TransformDirection.Next;
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}
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}
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current = beatmap;
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progressBar.CurrentTime = 0;
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updateDisplay(current, direction);
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queuedDirection = null;
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}
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private ScheduledDelegate pendingBeatmapSwitch;
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private void updateDisplay(WorkingBeatmap beatmap, TransformDirection direction)
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{
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//we might be off-screen when this update comes in.
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//rather than Scheduling, manually handle this to avoid possible memory contention.
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pendingBeatmapSwitch?.Cancel();
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pendingBeatmapSwitch = Schedule(delegate
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{
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Task.Run(() =>
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{
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if (beatmap?.Beatmap == null) //this is not needed if a placeholder exists
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{
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title.Current = null;
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title.Text = @"Nothing to play";
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artist.Current = null;
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artist.Text = @"Nothing to play";
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}
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else
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{
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BeatmapMetadata metadata = beatmap.Metadata;
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title.Current = localisation.GetUnicodePreference(metadata.TitleUnicode, metadata.Title);
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artist.Current = localisation.GetUnicodePreference(metadata.ArtistUnicode, metadata.Artist);
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}
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});
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playerContainer.Add(new AsyncLoadWrapper(new Background(beatmap)
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{
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OnLoadComplete = d =>
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{
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switch (direction)
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{
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case TransformDirection.Next:
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d.Position = new Vector2(400, 0);
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d.MoveToX(0, 500, Easing.OutCubic);
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currentBackground.MoveToX(-400, 500, Easing.OutCubic);
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break;
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case TransformDirection.Prev:
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d.Position = new Vector2(-400, 0);
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d.MoveToX(0, 500, Easing.OutCubic);
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currentBackground.MoveToX(400, 500, Easing.OutCubic);
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break;
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}
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currentBackground.Expire();
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currentBackground = d;
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}
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})
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{
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Depth = float.MaxValue,
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});
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});
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}
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protected override void PopIn()
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{
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base.PopIn();
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this.FadeIn(transition_length, Easing.OutQuint);
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dragContainer.ScaleTo(1, transition_length, Easing.OutElastic);
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}
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protected override void PopOut()
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{
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base.PopOut();
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this.FadeOut(transition_length, Easing.OutQuint);
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dragContainer.ScaleTo(0.9f, transition_length, Easing.OutQuint);
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}
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private enum TransformDirection
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{
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None,
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Next,
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Prev
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}
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private class Background : BufferedContainer
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{
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private readonly Sprite sprite;
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private readonly WorkingBeatmap beatmap;
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public Background(WorkingBeatmap beatmap = null)
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{
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this.beatmap = beatmap;
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CacheDrawnFrameBuffer = true;
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Depth = float.MaxValue;
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RelativeSizeAxes = Axes.Both;
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Children = new Drawable[]
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{
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sprite = new Sprite
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{
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RelativeSizeAxes = Axes.Both,
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Colour = OsuColour.Gray(150),
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FillMode = FillMode.Fill,
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},
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new Box
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{
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RelativeSizeAxes = Axes.X,
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Height = bottom_black_area_height,
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Origin = Anchor.BottomCentre,
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Anchor = Anchor.BottomCentre,
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Colour = Color4.Black.Opacity(0.5f)
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}
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};
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}
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[BackgroundDependencyLoader]
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private void load(TextureStore textures)
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{
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sprite.Texture = beatmap?.Background ?? textures.Get(@"Backgrounds/bg4");
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}
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}
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private class ProgressBar : SliderBar<double>
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{
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public Action<double> OnSeek;
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private readonly Box fill;
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public Color4 FillColour
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{
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set { fill.Colour = value; }
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}
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public double EndTime
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{
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set { CurrentNumber.MaxValue = value; }
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}
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public double CurrentTime
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{
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set { CurrentNumber.Value = value; }
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}
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public ProgressBar()
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{
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CurrentNumber.MinValue = 0;
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CurrentNumber.MaxValue = 1;
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RelativeSizeAxes = Axes.X;
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Children = new Drawable[]
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{
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fill = new Box
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{
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RelativeSizeAxes = Axes.Y
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}
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};
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}
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protected override void UpdateValue(float value)
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{
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fill.Width = value * UsableWidth;
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}
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protected override void OnUserChange() => OnSeek?.Invoke(Current);
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}
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}
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}
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