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osu-lazer/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderTail.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 osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Scoring;
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using osuTK;
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namespace osu.Game.Rulesets.Osu.Objects.Drawables
{
public class DrawableSliderTail : DrawableOsuHitObject, IRequireTracking
{
private readonly Slider slider;
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/// <summary>
/// The judgement text is provided by the <see cref="DrawableSlider"/>.
/// </summary>
public override bool DisplayResult => false;
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public bool Tracking { get; set; }
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private readonly IBindable<Vector2> positionBindable = new Bindable<Vector2>();
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private readonly IBindable<SliderPath> pathBindable = new Bindable<SliderPath>();
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public DrawableSliderTail(Slider slider, SliderTailCircle hitCircle)
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: base(hitCircle)
{
this.slider = slider;
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Origin = Anchor.Centre;
RelativeSizeAxes = Axes.Both;
FillMode = FillMode.Fit;
AlwaysPresent = true;
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positionBindable.BindTo(hitCircle.PositionBindable);
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pathBindable.BindTo(slider.PathBindable);
positionBindable.BindValueChanged(_ => updatePosition());
pathBindable.BindValueChanged(_ => updatePosition(), true);
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}
protected override void CheckForResult(bool userTriggered, double timeOffset)
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{
if (!userTriggered && timeOffset >= 0)
ApplyResult(r => r.Type = Tracking ? HitResult.Great : HitResult.Miss);
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}
private void updatePosition() => Position = HitObject.Position - slider.Position;
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}
}