mirror of https://github.com/ppy/osu
110 lines
3.5 KiB
C#
110 lines
3.5 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.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Sprites;
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using osu.Game.Rulesets.Objects.Drawables;
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using osu.Game.Rulesets.Osu.Objects.Drawables;
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using osu.Game.Skinning;
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using osuTK.Graphics;
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namespace osu.Game.Rulesets.Osu.Skinning.Legacy
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{
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public class LegacySliderBall : CompositeDrawable
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{
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private readonly Drawable animationContent;
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private readonly ISkin skin;
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[Resolved(canBeNull: true)]
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private DrawableHitObject? parentObject { get; set; }
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private Sprite layerNd = null!;
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private Sprite layerSpec = null!;
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public LegacySliderBall(Drawable animationContent, ISkin skin)
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{
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this.animationContent = animationContent;
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this.skin = skin;
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AutoSizeAxes = Axes.Both;
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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var ballColour = skin.GetConfig<OsuSkinColour, Color4>(OsuSkinColour.SliderBall)?.Value ?? Color4.White;
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InternalChildren = new[]
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{
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layerNd = new Sprite
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Texture = skin.GetTexture("sliderb-nd"),
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Colour = new Color4(5, 5, 5, 255),
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},
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LegacyColourCompatibility.ApplyWithDoubledAlpha(animationContent.With(d =>
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{
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d.Anchor = Anchor.Centre;
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d.Origin = Anchor.Centre;
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}), ballColour),
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layerSpec = new Sprite
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Texture = skin.GetTexture("sliderb-spec"),
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Blending = BlendingParameters.Additive,
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},
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};
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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if (parentObject != null)
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{
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parentObject.ApplyCustomUpdateState += updateStateTransforms;
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updateStateTransforms(parentObject, parentObject.State.Value);
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}
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}
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protected override void UpdateAfterChildren()
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{
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base.UpdateAfterChildren();
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//undo rotation on layers which should not be rotated.
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float appliedRotation = Parent.Rotation;
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layerNd.Rotation = -appliedRotation;
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layerSpec.Rotation = -appliedRotation;
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}
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private void updateStateTransforms(DrawableHitObject drawableObject, ArmedState _)
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{
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// Gets called by slider ticks, tails, etc., leading to duplicated
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// animations which in this case have no visual impact (due to
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// instant fade) but may negatively affect performance
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if (drawableObject is not DrawableSlider)
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return;
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using (BeginAbsoluteSequence(drawableObject.StateUpdateTime))
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this.FadeIn();
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using (BeginAbsoluteSequence(drawableObject.HitStateUpdateTime))
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this.FadeOut();
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}
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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if (parentObject != null)
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parentObject.ApplyCustomUpdateState -= updateStateTransforms;
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}
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}
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}
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