osu/osu.Game/Overlays/Mods/ModPanel.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;
using osu.Framework.Allocation;
using osu.Framework.Audio;
using osu.Framework.Audio.Sample;
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.Input.Events;
using osu.Framework.Utils;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.UserInterface;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.UI;
using osuTK;
using osuTK.Input;
#nullable enable
namespace osu.Game.Overlays.Mods
{
public class ModPanel : OsuClickableContainer
{
public Mod Mod { get; }
public BindableBool Active { get; } = new BindableBool();
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public BindableBool Filtered { get; } = new BindableBool();
protected readonly Box Background;
protected readonly Container SwitchContainer;
protected readonly Container MainContentContainer;
protected readonly Box TextBackground;
protected readonly FillFlowContainer TextFlow;
[Resolved]
protected OverlayColourProvider ColourProvider { get; private set; } = null!;
protected const double TRANSITION_DURATION = 150;
public const float CORNER_RADIUS = 7;
protected const float HEIGHT = 42;
protected const float IDLE_SWITCH_WIDTH = 54;
protected const float EXPANDED_SWITCH_WIDTH = 70;
private Colour4 activeColour;
private Sample? sampleOff;
private Sample? sampleOn;
public ModPanel(Mod mod)
{
Mod = mod;
RelativeSizeAxes = Axes.X;
Height = 42;
// all below properties are applied to `Content` rather than the `ModPanel` in its entirety
// to allow external components to set these properties on the panel without affecting
// its "internal" appearance.
Content.Masking = true;
Content.CornerRadius = CORNER_RADIUS;
Content.BorderThickness = 2;
Content.Shear = new Vector2(ShearedOverlayContainer.SHEAR, 0);
Children = new Drawable[]
{
Background = new Box
{
RelativeSizeAxes = Axes.Both
},
SwitchContainer = new Container
{
RelativeSizeAxes = Axes.Y,
Child = new ModSwitchSmall(mod)
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Active = { BindTarget = Active },
Shear = new Vector2(-ShearedOverlayContainer.SHEAR, 0),
Scale = new Vector2(HEIGHT / ModSwitchSmall.DEFAULT_SIZE)
}
},
MainContentContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Child = new Container
{
RelativeSizeAxes = Axes.Both,
Masking = true,
CornerRadius = CORNER_RADIUS,
Children = new Drawable[]
{
TextBackground = new Box
{
RelativeSizeAxes = Axes.Both
},
TextFlow = new FillFlowContainer
{
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding
{
Horizontal = 17.5f,
Vertical = 4
},
Direction = FillDirection.Vertical,
Children = new[]
{
new OsuSpriteText
{
Text = mod.Name,
Font = OsuFont.TorusAlternate.With(size: 18, weight: FontWeight.SemiBold),
Shear = new Vector2(-ShearedOverlayContainer.SHEAR, 0),
Margin = new MarginPadding
{
Left = -18 * ShearedOverlayContainer.SHEAR
}
},
new OsuSpriteText
{
Text = mod.Description,
Font = OsuFont.Default.With(size: 12),
RelativeSizeAxes = Axes.X,
Truncate = true,
Shear = new Vector2(-ShearedOverlayContainer.SHEAR, 0)
}
}
}
}
}
}
};
Action = Active.Toggle;
}
[BackgroundDependencyLoader]
private void load(AudioManager audio, OsuColour colours)
{
sampleOn = audio.Samples.Get(@"UI/check-on");
sampleOff = audio.Samples.Get(@"UI/check-off");
activeColour = colours.ForModType(Mod.Type);
}
protected override HoverSounds CreateHoverSounds(HoverSampleSet sampleSet) => new HoverSounds(sampleSet);
protected override void LoadComplete()
{
base.LoadComplete();
Active.BindValueChanged(_ =>
{
playStateChangeSamples();
UpdateState();
});
Filtered.BindValueChanged(_ => updateFilterState(), true);
UpdateState();
FinishTransforms(true);
}
private void playStateChangeSamples()
{
if (Active.Value)
sampleOn?.Play();
else
sampleOff?.Play();
}
protected override bool OnHover(HoverEvent e)
{
UpdateState();
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
UpdateState();
base.OnHoverLost(e);
}
private bool mouseDown;
protected override bool OnMouseDown(MouseDownEvent e)
{
if (e.Button == MouseButton.Left)
mouseDown = true;
UpdateState();
return false;
}
protected override void OnMouseUp(MouseUpEvent e)
{
mouseDown = false;
UpdateState();
base.OnMouseUp(e);
}
protected virtual void UpdateState()
{
float targetWidth = Active.Value ? EXPANDED_SWITCH_WIDTH : IDLE_SWITCH_WIDTH;
double transitionDuration = TRANSITION_DURATION;
Colour4 textBackgroundColour = Active.Value ? activeColour : (Colour4)ColourProvider.Background2;
Colour4 mainBackgroundColour = Active.Value ? activeColour.Darken(0.3f) : (Colour4)ColourProvider.Background3;
Colour4 textColour = Active.Value ? (Colour4)ColourProvider.Background6 : Colour4.White;
// Hover affects colour of button background
if (IsHovered)
{
textBackgroundColour = textBackgroundColour.Lighten(0.1f);
mainBackgroundColour = mainBackgroundColour.Lighten(0.1f);
}
// Mouse down adds a halfway tween of the movement
if (mouseDown)
{
targetWidth = (float)Interpolation.Lerp(IDLE_SWITCH_WIDTH, EXPANDED_SWITCH_WIDTH, 0.5f);
transitionDuration *= 4;
}
Content.TransformTo(nameof(BorderColour), ColourInfo.GradientVertical(mainBackgroundColour, textBackgroundColour), transitionDuration, Easing.OutQuint);
Background.FadeColour(mainBackgroundColour, transitionDuration, Easing.OutQuint);
SwitchContainer.ResizeWidthTo(targetWidth, transitionDuration, Easing.OutQuint);
MainContentContainer.TransformTo(nameof(Padding), new MarginPadding
{
Left = targetWidth,
Right = CORNER_RADIUS
}, transitionDuration, Easing.OutQuint);
TextBackground.FadeColour(textBackgroundColour, transitionDuration, Easing.OutQuint);
TextFlow.FadeColour(textColour, transitionDuration, Easing.OutQuint);
}
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#region Filtering support
public void ApplyFilter(Func<Mod, bool>? filter)
{
Filtered.Value = filter != null && !filter.Invoke(Mod);
}
private void updateFilterState()
{
this.FadeTo(Filtered.Value ? 0 : 1);
}
#endregion
}
}