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osu-lazer/osu.Game/Overlays/BeatmapSet/LeaderboardModSelector.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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#nullable disable
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using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics;
using osu.Game.Rulesets.Mods;
using osu.Framework.Bindables;
using osu.Game.Rulesets;
using osuTK;
using osu.Game.Rulesets.UI;
using osu.Framework.Input.Events;
using osu.Game.Graphics.UserInterface;
using osuTK.Graphics;
using System;
using System.Linq;
using osu.Framework.Allocation;
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using osu.Framework.Extensions.IEnumerableExtensions;
namespace osu.Game.Overlays.BeatmapSet
{
public class LeaderboardModSelector : CompositeDrawable
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{
public readonly BindableList<IMod> SelectedMods = new BindableList<IMod>();
public readonly Bindable<IRulesetInfo> Ruleset = new Bindable<IRulesetInfo>();
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private readonly FillFlowContainer<ModButton> modsContainer;
public LeaderboardModSelector()
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
InternalChild = modsContainer = new FillFlowContainer<ModButton>
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{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
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Direction = FillDirection.Full,
Spacing = new Vector2(4),
};
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}
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protected override void LoadComplete()
{
base.LoadComplete();
Ruleset.BindValueChanged(onRulesetChanged, true);
}
[Resolved]
private IRulesetStore rulesets { get; set; }
private void onRulesetChanged(ValueChangedEvent<IRulesetInfo> ruleset)
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{
SelectedMods.Clear();
modsContainer.Clear();
if (ruleset.NewValue == null)
return;
var rulesetInstance = rulesets.GetRuleset(ruleset.NewValue.OnlineID)?.CreateInstance();
if (rulesetInstance == null)
return;
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modsContainer.Add(new ModButton(new ModNoMod()));
modsContainer.AddRange(rulesetInstance.AllMods.Where(m => m.UserPlayable).Select(m => new ModButton(m)));
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modsContainer.ForEach(button =>
{
button.Anchor = Anchor.TopCentre;
button.Origin = Anchor.TopCentre;
button.OnSelectionChanged = selectionChanged;
});
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}
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protected override bool OnHover(HoverEvent e)
{
updateHighlighted();
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
base.OnHoverLost(e);
updateHighlighted();
}
private void selectionChanged(IMod mod, bool selected)
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{
if (selected)
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SelectedMods.Add(mod);
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else
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SelectedMods.Remove(mod);
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updateHighlighted();
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}
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private void updateHighlighted()
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{
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if (SelectedMods.Any())
return;
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modsContainer.Children.Where(button => !button.IsHovered).ForEach(button => button.Highlighted.Value = !IsHovered);
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}
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public void DeselectAll() => modsContainer.ForEach(mod => mod.Selected.Value = false);
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private class ModButton : ModIcon
{
private const int duration = 200;
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public readonly BindableBool Highlighted = new BindableBool();
public Action<IMod, bool> OnSelectionChanged;
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public ModButton(IMod mod)
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: base(mod)
{
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Scale = new Vector2(0.4f);
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Add(new HoverClickSounds());
}
protected override void LoadComplete()
{
base.LoadComplete();
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Highlighted.BindValueChanged(highlighted =>
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{
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if (Selected.Value)
return;
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this.FadeColour(highlighted.NewValue ? Color4.White : Color4.DimGray, duration, Easing.OutQuint);
}, true);
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Selected.BindValueChanged(selected =>
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{
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OnSelectionChanged?.Invoke(Mod, selected.NewValue);
Highlighted.TriggerChange();
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}, true);
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}
protected override bool OnClick(ClickEvent e)
{
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Selected.Toggle();
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return true;
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}
protected override bool OnHover(HoverEvent e)
{
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Highlighted.Value = true;
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return false;
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}
protected override void OnHoverLost(HoverLostEvent e)
{
base.OnHoverLost(e);
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Highlighted.Value = false;
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}
}
}
}