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osu-lazer/osu.Game/Screens/Edit/Components/PlaybackControl.cs

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using osuTK;
using osuTK.Graphics;
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using osu.Framework.Allocation;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Framework.Timing;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.UserInterface;
namespace osu.Game.Screens.Edit.Components
{
public class PlaybackControl : BottomBarContainer
{
private IconButton playButton;
private IAdjustableClock adjustableClock;
[BackgroundDependencyLoader]
private void load(IAdjustableClock adjustableClock)
{
this.adjustableClock = adjustableClock;
PlaybackTabControl tabs;
Children = new Drawable[]
{
playButton = new IconButton
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.Centre,
Scale = new Vector2(1.4f),
IconScale = new Vector2(1.4f),
Icon = FontAwesome.fa_play_circle_o,
Action = togglePause,
Padding = new MarginPadding { Left = 20 }
},
new OsuSpriteText
{
Origin = Anchor.BottomLeft,
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Text = "Playback speed",
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RelativePositionAxes = Axes.Y,
Y = 0.5f,
Padding = new MarginPadding { Left = 45 }
},
new Container
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
RelativeSizeAxes = Axes.Both,
Height = 0.5f,
Padding = new MarginPadding { Left = 45 },
Child = tabs = new PlaybackTabControl(),
}
};
tabs.Current.ValueChanged += newValue => Beatmap.Value.Track.Tempo.Value = newValue;
}
private void togglePause()
{
if (adjustableClock.IsRunning)
adjustableClock.Stop();
else
adjustableClock.Start();
}
protected override void Update()
{
base.Update();
playButton.Icon = adjustableClock.IsRunning ? FontAwesome.fa_pause_circle_o : FontAwesome.fa_play_circle_o;
}
private class PlaybackTabControl : OsuTabControl<double>
{
private static readonly double[] tempo_values = { 0.5, 0.75, 1 };
protected override TabItem<double> CreateTabItem(double value) => new PlaybackTabItem(value);
protected override Dropdown<double> CreateDropdown() => null;
public PlaybackTabControl()
{
RelativeSizeAxes = Axes.Both;
TabContainer.Spacing = Vector2.Zero;
tempo_values.ForEach(AddItem);
}
public class PlaybackTabItem : TabItem<double>
{
private const float fade_duration = 200;
private readonly OsuSpriteText text;
private readonly OsuSpriteText textBold;
public PlaybackTabItem(double value) : base(value)
{
RelativeSizeAxes = Axes.Both;
Width = 1f / tempo_values.Length;
Children = new Drawable[]
{
text = new OsuSpriteText
{
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Text = $"{value:0%}",
TextSize = 14,
},
textBold = new OsuSpriteText
{
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Text = $"{value:0%}",
TextSize = 14,
Font = @"Exo2.0-Bold",
Alpha = 0,
},
};
}
private Color4 hoveredColour;
private Color4 normalColour;
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
text.Colour = normalColour = colours.YellowDarker;
textBold.Colour = hoveredColour = colours.Yellow;
}
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protected override bool OnHover(HoverEvent e)
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{
updateState();
return true;
}
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protected override void OnHoverLost(HoverLostEvent e) => updateState();
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protected override void OnActivated() => updateState();
protected override void OnDeactivated() => updateState();
private void updateState()
{
text.FadeColour(Active || IsHovered ? hoveredColour : normalColour, fade_duration, Easing.OutQuint);
text.FadeTo(Active ? 0 : 1, fade_duration, Easing.OutQuint);
textBold.FadeTo(Active ? 1 : 0, fade_duration, Easing.OutQuint);
}
}
}
}
}