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osu-lazer/osu.Game/Screens/Edit/Components/PlaybackControl.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.Linq;
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using osuTK;
using osuTK.Graphics;
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using osu.Framework.Allocation;
using osu.Framework.Audio;
using osu.Framework.Bindables;
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using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.UserInterface;
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using osuTK.Input;
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namespace osu.Game.Screens.Edit.Components
{
public class PlaybackControl : BottomBarContainer
{
private IconButton playButton;
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[Resolved]
private EditorClock editorClock { get; set; }
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private readonly BindableNumber<double> freqAdjust = new BindableDouble(1);
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[BackgroundDependencyLoader]
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private void load()
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{
Children = new Drawable[]
{
playButton = new IconButton
{
Anchor = Anchor.CentreLeft,
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Origin = Anchor.CentreLeft,
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Scale = new Vector2(1.4f),
IconScale = new Vector2(1.4f),
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Icon = FontAwesome.Regular.PlayCircle,
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Action = togglePause,
},
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 = new PlaybackTabControl { Current = freqAdjust },
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}
};
Track.BindValueChanged(tr => tr.NewValue?.AddAdjustment(AdjustableProperty.Frequency, freqAdjust), true);
}
protected override void Dispose(bool isDisposing)
{
Track.Value?.RemoveAdjustment(AdjustableProperty.Frequency, freqAdjust);
base.Dispose(isDisposing);
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}
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protected override bool OnKeyDown(KeyDownEvent e)
{
switch (e.Key)
{
case Key.Space:
togglePause();
return true;
}
return base.OnKeyDown(e);
}
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private void togglePause()
{
if (editorClock.IsRunning)
editorClock.Stop();
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else
editorClock.Start();
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}
protected override void Update()
{
base.Update();
playButton.Icon = editorClock.IsRunning ? FontAwesome.Regular.PauseCircle : FontAwesome.Regular.PlayCircle;
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}
private class PlaybackTabControl : OsuTabControl<double>
{
private static readonly double[] tempo_values = { 0.25, 0.5, 0.75, 1 };
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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);
Current.Value = tempo_values.Last();
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}
public class PlaybackTabItem : TabItem<double>
{
private const float fade_duration = 200;
private readonly OsuSpriteText text;
private readonly OsuSpriteText textBold;
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public PlaybackTabItem(double value)
: base(value)
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{
RelativeSizeAxes = Axes.Both;
Width = 1f / tempo_values.Length;
Children = new Drawable[]
{
text = new OsuSpriteText
{
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Text = $"{value:0%}",
Font = OsuFont.GetFont(size: 14)
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},
textBold = new OsuSpriteText
{
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Text = $"{value:0%}",
Font = OsuFont.GetFont(size: 14, weight: FontWeight.Bold),
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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()
{
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text.FadeColour(Active.Value || IsHovered ? hoveredColour : normalColour, fade_duration, Easing.OutQuint);
text.FadeTo(Active.Value ? 0 : 1, fade_duration, Easing.OutQuint);
textBold.FadeTo(Active.Value ? 1 : 0, fade_duration, Easing.OutQuint);
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}
}
}
}
}