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osu-lazer/osu.Game/Screens/Play/HUD/DefaultSongProgressBar.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;
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using osuTK;
using osuTK.Graphics;
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using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
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using osu.Framework.Utils;
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namespace osu.Game.Screens.Play.HUD
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{
public partial class DefaultSongProgressBar : SongProgressBar
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{
public Color4 FillColour
{
set => fill.Colour = value;
}
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private readonly Box fill;
private readonly Container handleBase;
private readonly Container handleContainer;
public DefaultSongProgressBar(float barHeight, float handleBarHeight, Vector2 handleSize)
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{
RelativeSizeAxes = Axes.X;
Height = barHeight + handleBarHeight + handleSize.Y;
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InternalChildren = new Drawable[]
{
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new Box
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{
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Name = "Background",
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
RelativeSizeAxes = Axes.X,
Height = barHeight,
Colour = Color4.Black,
Alpha = 0.5f,
Depth = 1,
},
fill = new Box
{
Name = "Fill",
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
Height = barHeight,
},
handleBase = new Container
{
Name = "HandleBar container",
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
Width = 2,
Alpha = 0,
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Colour = Color4.White,
Position = new Vector2(2, 0),
Children = new Drawable[]
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{
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new Box
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{
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Name = "HandleBar box",
RelativeSizeAxes = Axes.Both,
},
handleContainer = new Container
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{
Name = "Handle container",
Origin = Anchor.BottomCentre,
Anchor = Anchor.TopCentre,
Size = handleSize,
CornerRadius = 5,
Masking = true,
Children = new Drawable[]
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{
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new Box
{
Name = "Handle box",
RelativeSizeAxes = Axes.Both,
Colour = Color4.White
}
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}
}
}
}
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};
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}
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public override bool Interactive
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{
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get => base.Interactive;
set
{
base.Interactive = value;
handleBase.FadeTo(value ? 1 : 0, 200);
}
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}
protected override void Update()
{
base.Update();
handleBase.Height = Height - handleContainer.Height;
float newX = (float)Interpolation.Lerp(handleBase.X, AudioProgress * DrawWidth, Math.Clamp(Time.Elapsed / 40, 0, 1));
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fill.Width = newX;
handleBase.X = newX;
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}
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}
}