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Make the cover into a container

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This commit is contained in:
smoogipoo
2020-07-16 17:26:18 +09:00
parent 1384e61747
commit b7f6ae5db9
4 changed files with 133 additions and 104 deletions
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77
osu.Game.Rulesets.Mania/UI/PlayfieldCover.cs
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@ -1,77 +0,0 @@
// 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.Shapes;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Mania.UI
{
public class PlayfieldCover : CompositeDrawable
{
private readonly Box gradient;
private readonly Box filled;
private readonly IBindable<ScrollingDirection> scrollDirection = new Bindable<ScrollingDirection>();
public PlayfieldCover()
{
Blending = new BlendingParameters
{
RGBEquation = BlendingEquation.Add,
Source = BlendingType.Zero,
Destination = BlendingType.One,
AlphaEquation = BlendingEquation.Add,
SourceAlpha = BlendingType.Zero,
DestinationAlpha = BlendingType.OneMinusSrcAlpha
};
InternalChildren = new Drawable[]
{
gradient = new Box
{
RelativeSizeAxes = Axes.Both,
RelativePositionAxes = Axes.Both,
Height = 0.25f,
Colour = ColourInfo.GradientVertical(
Color4.White.Opacity(0f),
Color4.White.Opacity(1f)
)
},
filled = new Box
{
RelativeSizeAxes = Axes.Both,
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft
}
};
}
[BackgroundDependencyLoader]
private void load(IScrollingInfo scrollingInfo)
{
scrollDirection.BindTo(scrollingInfo.Direction);
scrollDirection.BindValueChanged(onScrollDirectionChanged, true);
}
private void onScrollDirectionChanged(ValueChangedEvent<ScrollingDirection> valueChangedEvent)
{
bool isUpscroll = valueChangedEvent.NewValue == ScrollingDirection.Up;
Rotation = isUpscroll ? 180f : 0f;
}
public float Coverage
{
set
{
filled.Height = value;
gradient.Y = 1 - filled.Height - gradient.Height;
}
}
}
}

116
osu.Game.Rulesets.Mania/UI/PlayfieldCoveringContainer.cs Normal file
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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.Shapes;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Mania.UI
{
/// <summary>
/// A <see cref="Container"/> that has its contents partially hidden by an adjustable "cover".
/// </summary>
/// <remarks>
/// The covered area extends in the scrolling direction, with its size depending on <see cref="Coverage"/>.
/// </remarks>
public class PlayfieldCoveringContainer : Container
{
protected override Container<Drawable> Content => content;
private readonly Container content;
/// <summary>
/// The complete cover, including gradient and fill.
/// </summary>
protected readonly Drawable Cover;
/// <summary>
/// The gradient portion of the cover.
/// </summary>
private readonly Box gradient;
/// <summary>
/// The fully-opaque portion of the cover.
/// </summary>
private readonly Box filled;
private readonly IBindable<ScrollingDirection> scrollDirection = new Bindable<ScrollingDirection>();
public PlayfieldCoveringContainer()
{
InternalChild = new BufferedContainer
{
RelativeSizeAxes = Axes.Both,
Children = new[]
{
content = new Container { RelativeSizeAxes = Axes.Both },
Cover = new Container
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Blending = new BlendingParameters
{
// Don't change the destination colour.
RGBEquation = BlendingEquation.Add,
Source = BlendingType.Zero,
Destination = BlendingType.One,
// Subtract the cover's alpha from the destination (points with alpha 1 should make the destination completely transparent).
AlphaEquation = BlendingEquation.Add,
SourceAlpha = BlendingType.Zero,
DestinationAlpha = BlendingType.OneMinusSrcAlpha
},
Children = new Drawable[]
{
gradient = new Box
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
RelativeSizeAxes = Axes.Both,
RelativePositionAxes = Axes.Both,
Height = 0.25f,
Colour = ColourInfo.GradientVertical(
Color4.White.Opacity(0f),
Color4.White.Opacity(1f)
)
},
filled = new Box
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
RelativeSizeAxes = Axes.Both
}
}
}
}
};
}
[BackgroundDependencyLoader]
private void load(IScrollingInfo scrollingInfo)
{
scrollDirection.BindTo(scrollingInfo.Direction);
scrollDirection.BindValueChanged(onScrollDirectionChanged, true);
}
private void onScrollDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
=> Cover.Rotation = direction.NewValue == ScrollingDirection.Up ? 0 : 180f;
/// <summary>
/// The relative area that should be completely covered. This does not include the fade.
/// </summary>
public float Coverage
{
set
{
filled.Height = value;
gradient.Y = -value;
}
}
}
}