mirror of https://github.com/ppy/osu
157 lines
4.5 KiB
C#
157 lines
4.5 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Allocation;
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using osu.Framework.Audio;
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using osu.Framework.Audio.Sample;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Effects;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Input.Events;
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using osu.Framework.MathUtils;
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using osu.Game.Graphics;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Screens.Select.Carousel
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{
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public abstract class DrawableCarouselItem : Container
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{
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public const float MAX_HEIGHT = 80;
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public override bool RemoveWhenNotAlive => false;
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public override bool IsPresent => base.IsPresent || Item.Visible;
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public readonly CarouselItem Item;
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private Container nestedContainer;
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private Container borderContainer;
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private Box hoverLayer;
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protected override Container<Drawable> Content => nestedContainer;
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protected DrawableCarouselItem(CarouselItem item)
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{
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Item = item;
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Height = MAX_HEIGHT;
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RelativeSizeAxes = Axes.X;
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Alpha = 0;
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}
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private SampleChannel sampleHover;
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[BackgroundDependencyLoader]
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private void load(AudioManager audio, OsuColour colours)
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{
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InternalChild = borderContainer = new Container
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{
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RelativeSizeAxes = Axes.Both,
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Masking = true,
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CornerRadius = 10,
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BorderColour = new Color4(221, 255, 255, 255),
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Children = new Drawable[]
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{
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nestedContainer = new Container
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{
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RelativeSizeAxes = Axes.Both,
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},
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hoverLayer = new Box
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{
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RelativeSizeAxes = Axes.Both,
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Alpha = 0,
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Blending = BlendingParameters.Additive,
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},
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}
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};
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sampleHover = audio.Samples.Get($@"SongSelect/song-ping-variation-{RNG.Next(1, 5)}");
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hoverLayer.Colour = colours.Blue.Opacity(0.1f);
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}
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protected override bool OnHover(HoverEvent e)
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{
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sampleHover?.Play();
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hoverLayer.FadeIn(100, Easing.OutQuint);
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return base.OnHover(e);
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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hoverLayer.FadeOut(1000, Easing.OutQuint);
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base.OnHoverLost(e);
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}
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public void SetMultiplicativeAlpha(float alpha) => borderContainer.Alpha = alpha;
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protected override void LoadComplete()
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{
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base.LoadComplete();
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ApplyState();
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Item.Filtered.ValueChanged += _ => Schedule(ApplyState);
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Item.State.ValueChanged += _ => Schedule(ApplyState);
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}
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protected virtual void ApplyState()
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{
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if (!IsLoaded) return;
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switch (Item.State.Value)
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{
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case CarouselItemState.NotSelected:
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Deselected();
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break;
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case CarouselItemState.Selected:
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Selected();
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break;
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}
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if (!Item.Visible)
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this.FadeOut(300, Easing.OutQuint);
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else
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this.FadeIn(250);
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}
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protected virtual void Selected()
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{
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Item.State.Value = CarouselItemState.Selected;
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borderContainer.BorderThickness = 2.5f;
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borderContainer.EdgeEffect = new EdgeEffectParameters
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{
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Type = EdgeEffectType.Glow,
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Colour = new Color4(130, 204, 255, 150),
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Radius = 20,
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Roundness = 10,
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};
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}
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protected virtual void Deselected()
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{
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Item.State.Value = CarouselItemState.NotSelected;
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borderContainer.BorderThickness = 0;
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borderContainer.EdgeEffect = new EdgeEffectParameters
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{
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Type = EdgeEffectType.Shadow,
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Offset = new Vector2(1),
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Radius = 10,
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Colour = Color4.Black.Opacity(100),
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};
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}
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protected override bool OnClick(ClickEvent e)
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{
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Item.State.Value = CarouselItemState.Selected;
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return true;
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}
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}
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}
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