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osu-lazer/osu.Game.Rulesets.Mania/UI/Components/ColumnHitObjectArea.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;
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using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Effects;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
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using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
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using osu.Game.Rulesets.UI;
using osu.Game.Rulesets.UI.Scrolling;
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using osuTK.Graphics;
namespace osu.Game.Rulesets.Mania.UI.Components
{
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public class ColumnHitObjectArea : CompositeDrawable, IHasAccentColour
{
private const float hit_target_bar_height = 2;
private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
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private readonly Container hitTargetLine;
private readonly Drawable hitTargetBar;
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public ColumnHitObjectArea(HitObjectContainer hitObjectContainer)
{
InternalChildren = new[]
{
hitTargetBar = new Box
{
RelativeSizeAxes = Axes.X,
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Height = NotePiece.NOTE_HEIGHT,
Alpha = 0.6f,
Colour = Color4.Black
},
hitTargetLine = new Container
{
RelativeSizeAxes = Axes.X,
Height = hit_target_bar_height,
Masking = true,
Child = new Box { RelativeSizeAxes = Axes.Both }
},
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hitObjectContainer
};
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}
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[BackgroundDependencyLoader]
private void load(IScrollingInfo scrollingInfo)
{
direction.BindTo(scrollingInfo.Direction);
direction.BindValueChanged(dir =>
{
Anchor anchor = dir.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
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hitTargetBar.Anchor = hitTargetBar.Origin = anchor;
hitTargetLine.Anchor = hitTargetLine.Origin = anchor;
}, true);
}
protected override void LoadComplete()
{
base.LoadComplete();
updateColours();
}
private Color4 accentColour;
public Color4 AccentColour
{
get => accentColour;
set
{
if (accentColour == value)
return;
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accentColour = value;
updateColours();
}
}
private void updateColours()
{
if (!IsLoaded)
return;
hitTargetLine.EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Radius = 5,
Colour = accentColour.Opacity(0.5f),
};
}
}
}