osu/osu.Game/Screens/Select/Footer.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.
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using System.Collections.Generic;
using System.Linq;
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using osuTK;
using osuTK.Graphics;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Events;
using osu.Game.Graphics.UserInterface;
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namespace osu.Game.Screens.Select
{
public class Footer : Container
{
private readonly Box modeLight;
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public const float HEIGHT = 50;
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public const int TRANSITION_LENGTH = 300;
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private const float padding = 80;
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private readonly FillFlowContainer<FooterButton> buttons;
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private readonly List<OverlayContainer> overlays = new List<OverlayContainer>();
/// <param name="button">The button to be added.</param>
/// <param name="overlay">The <see cref="OverlayContainer"/> to be toggled by this button.</param>
public void AddButton(FooterButton button, OverlayContainer overlay)
{
if (overlay != null)
{
overlays.Add(overlay);
button.Action = () => showOverlay(overlay);
}
button.Hovered = updateModeLight;
button.HoverLost = updateModeLight;
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buttons.Add(button);
}
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private void showOverlay(OverlayContainer overlay)
{
foreach (var o in overlays)
{
if (o == overlay)
o.ToggleVisibility();
else
o.Hide();
}
}
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private void updateModeLight() => modeLight.FadeColour(buttons.FirstOrDefault(b => b.IsHovered)?.SelectedColour ?? Color4.Transparent, TRANSITION_LENGTH, Easing.OutQuint);
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public Footer()
{
RelativeSizeAxes = Axes.X;
Height = HEIGHT;
Anchor = Anchor.BottomCentre;
Origin = Anchor.BottomCentre;
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Size = Vector2.One,
Colour = Color4.Black.Opacity(0.5f),
},
modeLight = new Box
{
RelativeSizeAxes = Axes.X,
Height = 3,
Position = new Vector2(0, -3),
},
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new FillFlowContainer
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
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Position = new Vector2(TwoLayerButton.SIZE_EXTENDED.X + padding, 0),
RelativeSizeAxes = Axes.Y,
AutoSizeAxes = Axes.X,
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Direction = FillDirection.Horizontal,
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Spacing = new Vector2(padding, 0),
Children = new Drawable[]
{
buttons = new FillFlowContainer<FooterButton>
{
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Direction = FillDirection.Horizontal,
Spacing = new Vector2(-FooterButton.SHEAR_WIDTH, 0),
AutoSizeAxes = Axes.Both,
}
}
}
};
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updateModeLight();
}
protected override bool OnMouseDown(MouseDownEvent e) => true;
protected override bool OnClick(ClickEvent e) => true;
protected override bool OnHover(HoverEvent e) => true;
}
}