osu/osu.Game/Screens/Play/HUD/ArgonSongProgressBar.cs
2023-03-12 02:08:00 +01:00

266 lines
8.0 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.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.Events;
using osu.Framework.Threading;
using osu.Framework.Utils;
using osu.Game.Graphics;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Screens.Play.HUD
{
public partial class ArgonSongProgressBar : SliderBar<double>
{
public Action<double>? OnSeek { get; set; }
// Parent will handle restricting the area of valid input.
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
private readonly float barHeight;
private readonly RoundedBar playfieldBar;
private readonly RoundedBar catchupBar;
private readonly Box background;
private readonly BindableBool showBackground = new BindableBool();
private readonly ColourInfo mainColour;
private readonly ColourInfo mainColourDarkened;
private ColourInfo catchUpColour;
private ColourInfo catchUpColourDarkened;
public bool ShowBackground
{
get => showBackground.Value;
set => showBackground.Value = value;
}
public double StartTime
{
private get => CurrentNumber.MinValue;
set => CurrentNumber.MinValue = value;
}
public double EndTime
{
private get => CurrentNumber.MaxValue;
set => CurrentNumber.MaxValue = value;
}
public double CurrentTime
{
private get => CurrentNumber.Value;
set => CurrentNumber.Value = value;
}
public double TrackTime
{
private get => currentTrackTime.Value;
set => currentTrackTime.Value = value;
}
private double length => EndTime - StartTime;
private readonly BindableNumber<double> currentTrackTime;
public bool Interactive { get; set; }
public ArgonSongProgressBar(float barHeight)
{
currentTrackTime = new BindableDouble();
setupAlternateValue();
StartTime = 0;
EndTime = 1;
RelativeSizeAxes = Axes.X;
Height = this.barHeight = barHeight;
CornerRadius = 5;
Masking = true;
Children = new Drawable[]
{
background = new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
Colour = Colour4.White.Darken(1 + 1 / 4f)
},
catchupBar = new RoundedBar
{
Name = "Audio bar",
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
CornerRadius = 5,
AlwaysPresent = true,
RelativeSizeAxes = Axes.Both
},
playfieldBar = new RoundedBar
{
Name = "Playfield bar",
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
CornerRadius = 5,
AccentColour = mainColour = Color4.White,
RelativeSizeAxes = Axes.Both
},
};
mainColourDarkened = Colour4.White.Darken(1 / 3f);
}
private void setupAlternateValue()
{
CurrentNumber.MaxValueChanged += v => currentTrackTime.MaxValue = v;
CurrentNumber.MinValueChanged += v => currentTrackTime.MinValue = v;
CurrentNumber.PrecisionChanged += v => currentTrackTime.Precision = v;
}
private float normalizedReference
{
get
{
if (EndTime - StartTime == 0)
return 1;
return (float)((TrackTime - StartTime) / length);
}
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
catchUpColour = colours.BlueLight;
catchUpColourDarkened = colours.BlueDark;
showBackground.BindValueChanged(_ => updateBackground(), true);
}
private void updateBackground()
{
background.FadeTo(showBackground.Value ? 1 / 4f : 0, 200, Easing.In);
playfieldBar.TransformTo(nameof(playfieldBar.AccentColour), ShowBackground ? mainColour : mainColourDarkened, 200, Easing.In);
}
protected override bool OnHover(HoverEvent e)
{
if (Interactive)
this.ResizeHeightTo(barHeight * 3.5f, 200, Easing.Out);
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
this.ResizeHeightTo(barHeight, 800, Easing.OutQuint);
base.OnHoverLost(e);
}
protected override void UpdateValue(float value)
{
// Handled in Update
}
protected override void Update()
{
base.Update();
playfieldBar.Length = (float)Interpolation.Lerp(playfieldBar.Length, NormalizedValue, Math.Clamp(Time.Elapsed / 40, 0, 1));
catchupBar.Length = (float)Interpolation.Lerp(catchupBar.Length, normalizedReference, Math.Clamp(Time.Elapsed / 40, 0, 1));
if (TrackTime < CurrentTime)
ChangeChildDepth(catchupBar, -1);
else
ChangeChildDepth(catchupBar, 0);
float timeDelta = (float)(Math.Abs(CurrentTime - TrackTime));
const float colour_transition_threshold = 20000;
catchupBar.AccentColour = Interpolation.ValueAt(
Math.Min(timeDelta, colour_transition_threshold),
ShowBackground ? mainColour : mainColourDarkened,
ShowBackground ? catchUpColour : catchUpColourDarkened,
0, colour_transition_threshold,
Easing.OutQuint);
catchupBar.Alpha = Math.Max(1, catchupBar.Length);
}
private ScheduledDelegate? scheduledSeek;
protected override void OnUserChange(double value)
{
scheduledSeek?.Cancel();
scheduledSeek = Schedule(() =>
{
if (Interactive)
OnSeek?.Invoke(value);
});
}
private partial class RoundedBar : Container
{
private readonly Box fill;
private readonly Container mask;
private float length;
public RoundedBar()
{
Masking = true;
Children = new[]
{
mask = new Container
{
Masking = true,
RelativeSizeAxes = Axes.Y,
Size = new Vector2(1),
Child = fill = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Colour4.White
}
}
};
}
public float Length
{
get => length;
set
{
length = value;
mask.Width = value * DrawWidth;
}
}
public new float CornerRadius
{
get => base.CornerRadius;
set
{
base.CornerRadius = value;
mask.CornerRadius = value;
}
}
public ColourInfo AccentColour
{
get => fill.Colour;
set => fill.Colour = value;
}
}
}
}