mirror of https://github.com/ppy/osu
108 lines
3.3 KiB
C#
108 lines
3.3 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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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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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.Colour;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Input.Bindings;
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using osu.Game.Graphics;
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using osu.Game.Rulesets.UI.Scrolling;
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using osuTK.Graphics;
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namespace osu.Game.Rulesets.Mania.UI.Components
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{
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public class ColumnBackground : CompositeDrawable, IKeyBindingHandler<ManiaAction>, IHasAccentColour
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{
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private readonly IBindable<ManiaAction> action = new Bindable<ManiaAction>();
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private Box background;
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private Box backgroundOverlay;
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private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
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[BackgroundDependencyLoader]
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private void load(IBindable<ManiaAction> action, IScrollingInfo scrollingInfo)
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{
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this.action.BindTo(action);
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InternalChildren = new[]
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{
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background = new Box
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{
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Name = "Background",
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RelativeSizeAxes = Axes.Both,
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},
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backgroundOverlay = new Box
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{
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Name = "Background Gradient Overlay",
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RelativeSizeAxes = Axes.Both,
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Height = 0.5f,
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Blending = BlendingParameters.Additive,
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Alpha = 0
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}
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};
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direction.BindTo(scrollingInfo.Direction);
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direction.BindValueChanged(dir =>
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{
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backgroundOverlay.Anchor = backgroundOverlay.Origin = dir.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
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updateColours();
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}, true);
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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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updateColours();
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}
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private Color4 accentColour;
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public Color4 AccentColour
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{
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get => accentColour;
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set
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{
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if (accentColour == value)
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return;
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accentColour = value;
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updateColours();
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}
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}
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private void updateColours()
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{
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if (!IsLoaded)
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return;
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background.Colour = AccentColour.Darken(5);
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var brightPoint = AccentColour.Opacity(0.6f);
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var dimPoint = AccentColour.Opacity(0);
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backgroundOverlay.Colour = ColourInfo.GradientVertical(
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direction.Value == ScrollingDirection.Up ? brightPoint : dimPoint,
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direction.Value == ScrollingDirection.Up ? dimPoint : brightPoint);
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}
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public bool OnPressed(ManiaAction action)
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{
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if (action == this.action.Value)
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backgroundOverlay.FadeTo(1, 50, Easing.OutQuint).Then().FadeTo(0.5f, 250, Easing.OutQuint);
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return false;
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}
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public void OnReleased(ManiaAction action)
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{
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if (action == this.action.Value)
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backgroundOverlay.FadeTo(0, 250, Easing.OutQuint);
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}
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}
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}
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