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osu-lazer/osu.Game.Rulesets.Catch/Edit/Blueprints/Components/TimeSpanOutline.cs

64 lines
1.9 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 osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
using osu.Game.Rulesets.Catch.Objects;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Catch.Edit.Blueprints.Components
{
public class TimeSpanOutline : CompositeDrawable
{
private const float border_width = 4;
private const float opacity_when_empty = 0.5f;
private bool isEmpty = true;
public TimeSpanOutline()
{
Anchor = Origin = Anchor.BottomLeft;
RelativeSizeAxes = Axes.X;
Masking = true;
BorderThickness = border_width;
Alpha = opacity_when_empty;
// A box is needed to make the border visible.
InternalChild = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Transparent
};
}
[BackgroundDependencyLoader]
private void load(OsuColour osuColour)
{
BorderColour = osuColour.Yellow;
}
public void UpdateFrom(ScrollingHitObjectContainer hitObjectContainer, BananaShower hitObject)
{
float startY = hitObjectContainer.PositionAtTime(hitObject.StartTime);
float endY = hitObjectContainer.PositionAtTime(hitObject.EndTime);
Y = Math.Max(startY, endY);
float height = Math.Abs(startY - endY);
bool wasEmpty = isEmpty;
isEmpty = height == 0;
if (wasEmpty != isEmpty)
this.FadeTo(isEmpty ? opacity_when_empty : 1f, 150);
Height = Math.Max(height, border_width);
}
}
}