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osu-lazer/osu.Game.Rulesets.Mania/UI/Components/ColumnKeyArea.cs
2019-04-02 14:51:28 +09:00

126 lines
3.9 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.
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.Effects;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Bindings;
using osu.Game.Graphics;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Mania.UI.Components
{
public class ColumnKeyArea : CompositeDrawable, IKeyBindingHandler<ManiaAction>, IHasAccentColour
{
private const float key_icon_size = 10;
private const float key_icon_corner_radius = 3;
private readonly IBindable<ManiaAction> action = new Bindable<ManiaAction>();
private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
private Container keyIcon;
[BackgroundDependencyLoader]
private void load(IBindable<ManiaAction> action, IScrollingInfo scrollingInfo)
{
this.action.BindTo(action);
Drawable gradient;
InternalChildren = new[]
{
gradient = new Box
{
Name = "Key gradient",
RelativeSizeAxes = Axes.Both,
Alpha = 0.5f
},
keyIcon = new Container
{
Name = "Key icon",
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Size = new Vector2(key_icon_size),
Masking = true,
CornerRadius = key_icon_corner_radius,
BorderThickness = 2,
BorderColour = Color4.White, // Not true
Children = new[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
AlwaysPresent = true
}
}
}
};
direction.BindTo(scrollingInfo.Direction);
direction.BindValueChanged(dir =>
{
gradient.Colour = ColourInfo.GradientVertical(
dir.NewValue == ScrollingDirection.Up ? Color4.Black : Color4.Black.Opacity(0),
dir.NewValue == ScrollingDirection.Up ? Color4.Black.Opacity(0) : Color4.Black);
}, 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;
keyIcon.EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Radius = 5,
Colour = accentColour.Opacity(0.5f),
};
}
public bool OnPressed(ManiaAction action)
{
if (action == this.action.Value)
keyIcon.ScaleTo(1.4f, 50, Easing.OutQuint).Then().ScaleTo(1.3f, 250, Easing.OutQuint);
return false;
}
public bool OnReleased(ManiaAction action)
{
if (action == this.action.Value)
keyIcon.ScaleTo(1f, 125, Easing.OutQuint);
return false;
}
}
}