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osu-lazer/osu.Game/Screens/Select/FooterButton.cs
2020-01-30 10:34:46 +09:00

182 lines
5.7 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 System;
using osuTK;
using osuTK.Graphics;
using osuTK.Input;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Input.Events;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.Containers;
namespace osu.Game.Screens.Select
{
public class FooterButton : OsuClickableContainer
{
public const float SHEAR_WIDTH = 7.5f;
protected static readonly Vector2 SHEAR = new Vector2(SHEAR_WIDTH / Footer.HEIGHT, 0);
public string Text
{
get => SpriteText?.Text;
set
{
if (SpriteText != null)
SpriteText.Text = value;
}
}
private Color4 deselectedColour;
public Color4 DeselectedColour
{
get => deselectedColour;
set
{
deselectedColour = value;
if (light.Colour != SelectedColour)
light.Colour = value;
}
}
private Color4 selectedColour;
public Color4 SelectedColour
{
get => selectedColour;
set
{
selectedColour = value;
box.Colour = selectedColour;
}
}
protected FillFlowContainer ButtonContentContainer;
protected readonly Container TextContainer;
protected readonly SpriteText SpriteText;
private readonly Box box;
private readonly Box light;
public FooterButton()
{
AutoSizeAxes = Axes.Both;
Shear = SHEAR;
Children = new Drawable[]
{
box = new Box
{
RelativeSizeAxes = Axes.Both,
EdgeSmoothness = new Vector2(2, 0),
Colour = Color4.White,
Alpha = 0,
},
light = new Box
{
Height = 4,
EdgeSmoothness = new Vector2(2, 0),
RelativeSizeAxes = Axes.X,
},
new Container
{
AutoSizeAxes = Axes.Both,
Children = new Drawable[]
{
ButtonContentContainer = new FillFlowContainer
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Direction = FillDirection.Horizontal,
Shear = -SHEAR,
AutoSizeAxes = Axes.X,
Height = 50,
Spacing = new Vector2(15, 0),
Children = new Drawable[]
{
TextContainer = new Container
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
AutoSizeAxes = Axes.Both,
Child = SpriteText = new OsuSpriteText
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
}
},
},
},
},
},
};
}
public Action Hovered;
public Action HoverLost;
public Key? Hotkey;
protected override void UpdateAfterChildren()
{
base.UpdateAfterChildren();
float horizontalMargin = (100 - TextContainer.Width) / 2;
ButtonContentContainer.Padding = new MarginPadding
{
Left = horizontalMargin,
// right side margin offset to compensate for shear
Right = horizontalMargin - SHEAR_WIDTH / 2
};
}
protected override bool OnHover(HoverEvent e)
{
Hovered?.Invoke();
light.ScaleTo(new Vector2(1, 2), Footer.TRANSITION_LENGTH, Easing.OutQuint);
light.FadeColour(SelectedColour, Footer.TRANSITION_LENGTH, Easing.OutQuint);
return true;
}
protected override void OnHoverLost(HoverLostEvent e)
{
HoverLost?.Invoke();
light.ScaleTo(new Vector2(1, 1), Footer.TRANSITION_LENGTH, Easing.OutQuint);
light.FadeColour(DeselectedColour, Footer.TRANSITION_LENGTH, Easing.OutQuint);
}
protected override bool OnMouseDown(MouseDownEvent e)
{
box.FadeTo(0.3f, Footer.TRANSITION_LENGTH * 2, Easing.OutQuint);
return base.OnMouseDown(e);
}
protected override void OnMouseUp(MouseUpEvent e)
{
box.FadeOut(Footer.TRANSITION_LENGTH, Easing.OutQuint);
base.OnMouseUp(e);
}
protected override bool OnClick(ClickEvent e)
{
box.ClearTransforms();
box.Alpha = 1;
box.FadeOut(Footer.TRANSITION_LENGTH * 3, Easing.OutQuint);
return base.OnClick(e);
}
protected override bool OnKeyDown(KeyDownEvent e)
{
if (!e.Repeat && e.Key == Hotkey)
{
Click();
return true;
}
return base.OnKeyDown(e);
}
}
}