osu/osu.Game.Rulesets.Mania/UI/Components/DefaultKeyArea.cs

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// 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;
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using osu.Framework.Input.Events;
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using osu.Game.Rulesets.UI.Scrolling;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Mania.UI.Components
{
public class DefaultKeyArea : CompositeDrawable, IKeyBindingHandler<ManiaAction>
{
private const float key_icon_size = 10;
private const float key_icon_corner_radius = 3;
private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
private Container directionContainer;
private Container keyIcon;
private Drawable gradient;
[Resolved]
private Column column { get; set; }
public DefaultKeyArea()
{
RelativeSizeAxes = Axes.Both;
}
[BackgroundDependencyLoader]
private void load(IScrollingInfo scrollingInfo)
{
InternalChild = directionContainer = new Container
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{
RelativeSizeAxes = Axes.X,
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Height = Stage.HIT_TARGET_POSITION,
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Children = new[]
{
gradient = new Box
{
Name = "Key gradient",
RelativeSizeAxes = Axes.Both,
Alpha = 0.5f
},
keyIcon = new Container
{
Name = "Key icon",
Size = new Vector2(key_icon_size),
Origin = Anchor.Centre,
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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
}
}
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},
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}
};
keyIcon.EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Radius = 5,
Colour = column.AccentColour.Opacity(0.5f),
};
direction.BindTo(scrollingInfo.Direction);
direction.BindValueChanged(onDirectionChanged, true);
}
private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
{
if (direction.NewValue == ScrollingDirection.Up)
{
keyIcon.Anchor = Anchor.BottomCentre;
keyIcon.Y = -20;
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directionContainer.Anchor = directionContainer.Origin = Anchor.TopLeft;
gradient.Colour = ColourInfo.GradientVertical(Color4.Black, Color4.Black.Opacity(0));
}
else
{
keyIcon.Anchor = Anchor.TopCentre;
keyIcon.Y = 20;
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directionContainer.Anchor = directionContainer.Origin = Anchor.BottomLeft;
gradient.Colour = ColourInfo.GradientVertical(Color4.Black.Opacity(0), Color4.Black);
}
}
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public bool OnPressed(KeyBindingPressEvent<ManiaAction> e)
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{
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if (e.Action == column.Action.Value)
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keyIcon.ScaleTo(1.4f, 50, Easing.OutQuint).Then().ScaleTo(1.3f, 250, Easing.OutQuint);
return false;
}
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public void OnReleased(KeyBindingReleaseEvent<ManiaAction> e)
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{
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if (e.Action == column.Action.Value)
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keyIcon.ScaleTo(1f, 125, Easing.OutQuint);
}
}
}