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osu-lazer/osu.Game/Overlays/BeatmapListing/Panels/BeatmapPanel.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
using System.Diagnostics;
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using System.Linq;
using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Cursor;
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using osu.Framework.Graphics.Effects;
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using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Game.Audio;
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using osu.Game.Beatmaps;
using osu.Game.Beatmaps.Drawables;
using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
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using osu.Game.Graphics.Sprites;
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using osu.Game.Graphics.UserInterface;
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using osuTK;
using osuTK.Graphics;
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namespace osu.Game.Overlays.BeatmapListing.Panels
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{
public abstract class BeatmapPanel : OsuClickableContainer, IHasContextMenu
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{
public readonly BeatmapSetInfo SetInfo;
private const double hover_transition_time = 400;
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private const int maximum_difficulty_icons = 10;
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private Container content;
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public PreviewTrack Preview => PlayButton.Preview;
public Bindable<bool> PreviewPlaying => PlayButton?.Playing;
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protected abstract PlayButton PlayButton { get; }
protected abstract Box PreviewBar { get; }
protected virtual bool FadePlayButton => true;
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protected override Container<Drawable> Content => content;
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protected Action ViewBeatmap;
protected BeatmapPanel(BeatmapSetInfo setInfo)
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{
Debug.Assert(setInfo.OnlineBeatmapSetID != null);
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SetInfo = setInfo;
}
private readonly EdgeEffectParameters edgeEffectNormal = new EdgeEffectParameters
{
Type = EdgeEffectType.Shadow,
Offset = new Vector2(0f, 1f),
Radius = 2f,
Colour = Color4.Black.Opacity(0.25f),
};
private readonly EdgeEffectParameters edgeEffectHovered = new EdgeEffectParameters
{
Type = EdgeEffectType.Shadow,
Offset = new Vector2(0f, 5f),
Radius = 10f,
Colour = Color4.Black.Opacity(0.3f),
};
[BackgroundDependencyLoader(permitNulls: true)]
private void load(BeatmapManager beatmaps, OsuColour colours, BeatmapSetOverlay beatmapSetOverlay)
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{
AddInternal(content = new Container
{
RelativeSizeAxes = Axes.Both,
Masking = true,
EdgeEffect = edgeEffectNormal,
Children = new[]
{
CreateBackground(),
new DownloadProgressBar(SetInfo)
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{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
Depth = -1,
},
}
});
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Action = ViewBeatmap = () =>
{
Debug.Assert(SetInfo.OnlineBeatmapSetID != null);
beatmapSetOverlay?.FetchAndShowBeatmapSet(SetInfo.OnlineBeatmapSetID.Value);
};
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}
protected override void Update()
{
base.Update();
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if (PreviewPlaying.Value && Preview != null && Preview.TrackLoaded)
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{
PreviewBar.Width = (float)(Preview.CurrentTime / Preview.Length);
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}
}
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protected override bool OnHover(HoverEvent e)
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{
content.TweenEdgeEffectTo(edgeEffectHovered, hover_transition_time, Easing.OutQuint);
content.MoveToY(-4, hover_transition_time, Easing.OutQuint);
if (FadePlayButton)
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PlayButton.FadeIn(120, Easing.InOutQuint);
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return base.OnHover(e);
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
content.TweenEdgeEffectTo(edgeEffectNormal, hover_transition_time, Easing.OutQuint);
content.MoveToY(0, hover_transition_time, Easing.OutQuint);
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if (FadePlayButton && !PreviewPlaying.Value)
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PlayButton.FadeOut(120, Easing.InOutQuint);
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base.OnHoverLost(e);
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}
protected override void LoadComplete()
{
base.LoadComplete();
this.FadeInFromZero(200, Easing.Out);
PreviewPlaying.ValueChanged += playing =>
{
PlayButton.FadeTo(playing.NewValue || IsHovered || !FadePlayButton ? 1 : 0, 120, Easing.InOutQuint);
PreviewBar.FadeTo(playing.NewValue ? 1 : 0, 120, Easing.InOutQuint);
};
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}
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protected List<DifficultyIcon> GetDifficultyIcons(OsuColour colours)
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{
var icons = new List<DifficultyIcon>();
if (SetInfo.Beatmaps.Count > maximum_difficulty_icons)
{
foreach (var ruleset in SetInfo.Beatmaps.Select(b => b.Ruleset).Distinct())
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icons.Add(new GroupedDifficultyIcon(SetInfo.Beatmaps.FindAll(b => b.Ruleset.Equals(ruleset)), ruleset, this is ListBeatmapPanel ? Color4.White : colours.Gray5));
}
else
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{
foreach (var b in SetInfo.Beatmaps.OrderBy(beatmap => beatmap.StarDifficulty))
icons.Add(new DifficultyIcon(b));
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}
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return icons;
}
protected Drawable CreateBackground() => new UpdateableBeatmapSetCover
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{
RelativeSizeAxes = Axes.Both,
BeatmapSet = SetInfo,
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};
public class Statistic : FillFlowContainer
{
private readonly SpriteText text;
private int value;
public int Value
{
get => value;
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set
{
this.value = value;
text.Text = Value.ToString(@"N0");
}
}
public Statistic(IconUsage icon, int value = 0)
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{
Anchor = Anchor.TopRight;
Origin = Anchor.TopRight;
AutoSizeAxes = Axes.Both;
Direction = FillDirection.Horizontal;
Spacing = new Vector2(5f, 0f);
Children = new Drawable[]
{
text = new OsuSpriteText { Font = OsuFont.GetFont(weight: FontWeight.SemiBold, italics: true) },
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new SpriteIcon
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
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Icon = icon,
Shadow = true,
Size = new Vector2(14),
},
};
Value = value;
}
}
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public MenuItem[] ContextMenuItems => new MenuItem[]
{
new OsuMenuItem("View Beatmap", MenuItemType.Highlighted, ViewBeatmap),
};
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}
}