osu/osu.Game/Screens/Play/HUD/ModFlowDisplay.cs

86 lines
2.3 KiB
C#

// 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.
#nullable disable
using System;
using System.Collections.Generic;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.UserInterface;
using osu.Game.Graphics.Containers;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.UI;
using osuTK;
namespace osu.Game.Screens.Play.HUD
{
/// <summary>
/// A horizontally wrapping display of mods. For cases where wrapping is not required, use <see cref="ModDisplay"/> instead.
/// </summary>
public partial class ModFlowDisplay : ReverseChildIDFillFlowContainer<ModIcon>, IHasCurrentValue<IReadOnlyList<Mod>>
{
private const int fade_duration = 1000;
private readonly BindableWithCurrent<IReadOnlyList<Mod>> current = new BindableWithCurrent<IReadOnlyList<Mod>>();
public Bindable<IReadOnlyList<Mod>> Current
{
get => current.Current;
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
current.Current = value;
}
}
private float iconScale = 1;
public float IconScale
{
get => iconScale;
set
{
iconScale = value;
updateDisplay();
}
}
public ModFlowDisplay()
{
Direction = FillDirection.Full;
}
protected override void LoadComplete()
{
base.LoadComplete();
Current.BindValueChanged(_ => updateDisplay(), true);
this.FadeInFromZero(fade_duration, Easing.OutQuint);
}
private void updateDisplay()
{
Clear();
if (current.Value == null) return;
Spacing = new Vector2(0, -12 * iconScale);
foreach (Mod mod in current.Value)
{
Add(new ModIcon(mod)
{
Scale = new Vector2(0.6f * iconScale),
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
});
}
}
}
}