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osu-lazer/osu.Game/Overlays/WaveOverlayContainer.cs
2017-03-07 11:41:16 +09:00

221 lines
6.6 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework;
using OpenTK.Graphics;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Transforms;
using System;
namespace osu.Game.Overlays
{
public abstract class WaveOverlayContainer : FocusedOverlayContainer
{
protected const float APPEAR_DURATION = 800;
protected const float DISAPPEAR_DURATION = 500;
private const EasingTypes easing_show = EasingTypes.OutSine;
private const EasingTypes easing_hide = EasingTypes.InSine;
private Wave firstWave, secondWave, thirdWave, fourthWave;
private Container<Wave> wavesContainer;
private readonly Container contentContainer;
protected override Container<Drawable> Content => contentContainer;
protected Color4 FirstWaveColour
{
get
{
return firstWave.Colour;
}
set
{
if (firstWave.Colour == value) return;
firstWave.Colour = value;
}
}
protected Color4 SecondWaveColour
{
get
{
return secondWave.Colour;
}
set
{
if (secondWave.Colour == value) return;
secondWave.Colour = value;
}
}
protected Color4 ThirdWaveColour
{
get
{
return thirdWave.Colour;
}
set
{
if (thirdWave.Colour == value) return;
thirdWave.Colour = value;
}
}
protected Color4 FourthWaveColour
{
get
{
return fourthWave.Colour;
}
set
{
if (fourthWave.Colour == value) return;
fourthWave.Colour = value;
}
}
protected WaveOverlayContainer()
{
Masking = true;
AddInternal(wavesContainer = new Container<Wave>
{
RelativeSizeAxes = Axes.X,
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Masking = true,
Children = new[]
{
firstWave = new Wave
{
Rotation = 13,
FinalPosition = -930,
},
secondWave = new Wave
{
Origin = Anchor.TopRight,
Anchor = Anchor.TopRight,
Rotation = -7,
FinalPosition = -560,
},
thirdWave = new Wave
{
Rotation = 4,
FinalPosition = -390,
},
fourthWave = new Wave
{
Origin = Anchor.TopRight,
Anchor = Anchor.TopRight,
Rotation = -2,
FinalPosition = -220,
},
},
});
AddInternal(contentContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
});
}
protected override void PopIn()
{
base.PopIn();
foreach (var w in wavesContainer.Children)
w.State = Visibility.Visible;
FadeIn(100, EasingTypes.OutQuint);
contentContainer.MoveToY(0, APPEAR_DURATION, EasingTypes.OutQuint);
FadeIn(100, EasingTypes.OutQuint);
}
protected override void PopOut()
{
base.PopOut();
FadeOut(DISAPPEAR_DURATION, EasingTypes.InQuint);
contentContainer.MoveToY(DrawHeight * 2f, DISAPPEAR_DURATION, EasingTypes.In);
foreach (var w in wavesContainer.Children)
w.State = Visibility.Hidden;
FadeOut(DISAPPEAR_DURATION, EasingTypes.InQuint);
}
protected override void UpdateAfterChildren()
{
base.UpdateAfterChildren();
// This is done as an optimization, such that invisible parts of the waves
// are masked away, and thus do not consume fill rate.
wavesContainer.Height = Math.Max(0, DrawHeight - (contentContainer.DrawHeight - contentContainer.Y));
}
private class Wave : Container, IStateful<Visibility>
{
public float FinalPosition;
public Wave()
{
RelativeSizeAxes = Axes.X;
Width = 1.5f;
Masking = true;
EdgeEffect = new EdgeEffect
{
Type = EdgeEffectType.Shadow,
Colour = Color4.Black.Opacity(50),
Radius = 20f,
};
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
},
};
}
protected override void Update()
{
base.Update();
// We can not use RelativeSizeAxes for Height, because the height
// of our parent diminishes as the content moves up.
Height = Parent.Parent.DrawSize.Y * 1.5f;
}
private Visibility state;
public Visibility State
{
get { return state; }
set
{
state = value;
switch (value)
{
case Visibility.Hidden:
MoveToY(Parent.Parent.DrawSize.Y, DISAPPEAR_DURATION, easing_hide);
break;
case Visibility.Visible:
MoveToY(FinalPosition, APPEAR_DURATION, easing_show);
break;
}
}
}
}
}
}