mirror of https://github.com/ppy/osu
128 lines
3.6 KiB
C#
128 lines
3.6 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using System;
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using System.Collections.Generic;
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using osu.Framework.Bindables;
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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.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Game.Graphics.Containers;
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using osu.Game.Rulesets.Mods;
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using osu.Game.Rulesets.UI;
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using osuTK;
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namespace osu.Game.Screens.Play.HUD
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{
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/// <summary>
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/// Displays a single-line horizontal auto-sized flow of mods. For cases where wrapping is required, use <see cref="ModFlowDisplay"/> instead.
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/// </summary>
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public partial class ModDisplay : CompositeDrawable, IHasCurrentValue<IReadOnlyList<Mod>>
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{
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private const int fade_duration = 1000;
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public ExpansionMode ExpansionMode = ExpansionMode.ExpandOnHover;
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private readonly BindableWithCurrent<IReadOnlyList<Mod>> current = new BindableWithCurrent<IReadOnlyList<Mod>>();
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public Bindable<IReadOnlyList<Mod>> Current
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{
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get => current.Current;
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set
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{
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if (value == null)
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throw new ArgumentNullException(nameof(value));
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current.Current = value;
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}
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}
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private readonly FillFlowContainer<ModIcon> iconsContainer;
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public ModDisplay()
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{
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AutoSizeAxes = Axes.Both;
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InternalChild = iconsContainer = new ReverseChildIDFillFlowContainer<ModIcon>
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{
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AutoSizeAxes = Axes.Both,
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Direction = FillDirection.Horizontal,
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};
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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Current.BindValueChanged(updateDisplay, true);
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iconsContainer.FadeInFromZero(fade_duration, Easing.OutQuint);
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}
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private void updateDisplay(ValueChangedEvent<IReadOnlyList<Mod>> mods)
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{
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iconsContainer.Clear();
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if (mods.NewValue == null) return;
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foreach (Mod mod in mods.NewValue)
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iconsContainer.Add(new ModIcon(mod) { Scale = new Vector2(0.6f) });
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appearTransform();
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}
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private void appearTransform()
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{
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expand();
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using (iconsContainer.BeginDelayedSequence(1200))
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contract();
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}
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private void expand()
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{
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if (ExpansionMode != ExpansionMode.AlwaysContracted)
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iconsContainer.TransformSpacingTo(new Vector2(5, 0), 500, Easing.OutQuint);
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}
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private void contract()
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{
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if (ExpansionMode != ExpansionMode.AlwaysExpanded)
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iconsContainer.TransformSpacingTo(new Vector2(-25, 0), 500, Easing.OutQuint);
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}
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protected override bool OnHover(HoverEvent e)
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{
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expand();
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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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{
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contract();
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base.OnHoverLost(e);
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}
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}
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public enum ExpansionMode
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{
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/// <summary>
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/// The <see cref="ModDisplay"/> will expand only when hovered.
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/// </summary>
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ExpandOnHover,
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/// <summary>
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/// The <see cref="ModDisplay"/> will always be expanded.
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/// </summary>
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AlwaysExpanded,
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/// <summary>
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/// The <see cref="ModDisplay"/> will always be contracted.
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/// </summary>
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AlwaysContracted
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}
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}
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