mirror of https://github.com/ppy/osu
112 lines
3.7 KiB
C#
112 lines
3.7 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.Bindables;
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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.Shapes;
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using osu.Game.Rulesets.Objects.Drawables;
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using osu.Game.Rulesets.Osu.Objects;
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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;
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using osuTK.Graphics;
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namespace osu.Game.Rulesets.Osu.Skinning.Default
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{
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public partial class DefaultSliderBall : CompositeDrawable
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{
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private Box box = null!;
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[Resolved(canBeNull: true)]
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private DrawableHitObject? parentObject { get; set; }
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[BackgroundDependencyLoader]
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private void load(ISkinSource skin)
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{
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RelativeSizeAxes = Axes.Both;
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float radius = skin.GetConfig<OsuSkinConfiguration, float>(OsuSkinConfiguration.SliderPathRadius)?.Value ?? OsuHitObject.OBJECT_RADIUS;
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InternalChild = new CircularContainer
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{
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Masking = true,
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RelativeSizeAxes = Axes.Both,
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Scale = new Vector2(radius / OsuHitObject.OBJECT_RADIUS),
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Blending = BlendingParameters.Additive,
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BorderThickness = 10,
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BorderColour = Color4.White,
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Alpha = 1,
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Child = box = new Box
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{
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Blending = BlendingParameters.Additive,
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RelativeSizeAxes = Axes.Both,
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Colour = Color4.White,
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AlwaysPresent = true,
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Alpha = 0
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}
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};
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if (parentObject != null)
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{
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var slider = (DrawableSlider)parentObject;
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slider.Tracking.BindValueChanged(trackingChanged, true);
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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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private void trackingChanged(ValueChangedEvent<bool> tracking) =>
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box.FadeTo(tracking.NewValue ? 0.3f : 0.05f, 200, Easing.OutQuint);
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private void updateStateTransforms(DrawableHitObject drawableObject, ArmedState state)
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{
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// Gets called by slider ticks, tails, etc., leading to duplicated
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// animations which may negatively affect performance
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if (drawableObject is not DrawableSlider)
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return;
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const float fade_duration = 450f;
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using (BeginAbsoluteSequence(drawableObject.StateUpdateTime))
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{
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this.FadeIn()
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.ScaleTo(1f);
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}
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using (BeginAbsoluteSequence(drawableObject.HitStateUpdateTime))
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{
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// intentionally pile on an extra FadeOut to make it happen much faster
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this.FadeOut(fade_duration / 4, Easing.Out);
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switch (state)
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{
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case ArmedState.Hit:
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this.ScaleTo(1.4f, fade_duration, Easing.Out);
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break;
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}
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}
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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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