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osu-lazer/osu.Game.Rulesets.Mania/UI/Components/ColumnBackground.cs
2022-06-17 16:37:17 +09:00

111 lines
3.4 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 osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Game.Graphics;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Mania.UI.Components
{
public class ColumnBackground : CompositeDrawable, IKeyBindingHandler<ManiaAction>, IHasAccentColour
{
private readonly IBindable<ManiaAction> action = new Bindable<ManiaAction>();
private Box background;
private Box backgroundOverlay;
private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
[BackgroundDependencyLoader]
private void load(IBindable<ManiaAction> action, IScrollingInfo scrollingInfo)
{
this.action.BindTo(action);
InternalChildren = new[]
{
background = new Box
{
Name = "Background",
RelativeSizeAxes = Axes.Both,
},
backgroundOverlay = new Box
{
Name = "Background Gradient Overlay",
RelativeSizeAxes = Axes.Both,
Height = 0.5f,
Blending = BlendingParameters.Additive,
Alpha = 0
}
};
direction.BindTo(scrollingInfo.Direction);
direction.BindValueChanged(dir =>
{
backgroundOverlay.Anchor = backgroundOverlay.Origin = dir.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
updateColours();
}, true);
}
protected override void LoadComplete()
{
base.LoadComplete();
updateColours();
}
private Color4 accentColour;
public Color4 AccentColour
{
get => accentColour;
set
{
if (accentColour == value)
return;
accentColour = value;
updateColours();
}
}
private void updateColours()
{
if (!IsLoaded)
return;
background.Colour = AccentColour.Darken(5);
var brightPoint = AccentColour.Opacity(0.6f);
var dimPoint = AccentColour.Opacity(0);
backgroundOverlay.Colour = ColourInfo.GradientVertical(
direction.Value == ScrollingDirection.Up ? brightPoint : dimPoint,
direction.Value == ScrollingDirection.Up ? dimPoint : brightPoint);
}
public bool OnPressed(KeyBindingPressEvent<ManiaAction> e)
{
if (e.Action == action.Value)
backgroundOverlay.FadeTo(1, 50, Easing.OutQuint).Then().FadeTo(0.5f, 250, Easing.OutQuint);
return false;
}
public void OnReleased(KeyBindingReleaseEvent<ManiaAction> e)
{
if (e.Action == action.Value)
backgroundOverlay.FadeTo(0, 250, Easing.OutQuint);
}
}
}