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osu-lazer/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderTail.cs
2019-02-21 19:05:52 +09:00

54 lines
1.8 KiB
C#

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