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osu-lazer/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableOsuHitObject.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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#nullable disable
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using System;
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using osu.Framework.Allocation;
using osu.Framework.Bindables;
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using osu.Game.Rulesets.Objects.Drawables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Primitives;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Osu.Judgements;
using osu.Game.Graphics.Containers;
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using osuTK;
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namespace osu.Game.Rulesets.Osu.Objects.Drawables
{
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public class DrawableOsuHitObject : DrawableHitObject<OsuHitObject>
{
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public readonly IBindable<Vector2> PositionBindable = new Bindable<Vector2>();
public readonly IBindable<int> StackHeightBindable = new Bindable<int>();
public readonly IBindable<float> ScaleBindable = new BindableFloat();
public readonly IBindable<int> IndexInCurrentComboBindable = new Bindable<int>();
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// Must be set to update IsHovered as it's used in relax mod to detect osu hit objects.
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public override bool HandlePositionalInput => true;
protected override float SamplePlaybackPosition => CalculateDrawableRelativePosition(this);
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/// <summary>
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/// Whether this <see cref="DrawableOsuHitObject"/> can be hit, given a time value.
/// If non-null, judgements will be ignored (resulting in a shake) whilst the function returns false.
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/// </summary>
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public Func<DrawableHitObject, double, bool> CheckHittable;
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private ShakeContainer shakeContainer;
protected DrawableOsuHitObject(OsuHitObject hitObject)
: base(hitObject)
{
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}
[BackgroundDependencyLoader]
private void load()
{
Alpha = 0;
base.AddInternal(shakeContainer = new ShakeContainer
{
ShakeDuration = 30,
RelativeSizeAxes = Axes.Both
});
}
protected override void OnApply()
{
base.OnApply();
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IndexInCurrentComboBindable.BindTo(HitObject.IndexInCurrentComboBindable);
PositionBindable.BindTo(HitObject.PositionBindable);
StackHeightBindable.BindTo(HitObject.StackHeightBindable);
ScaleBindable.BindTo(HitObject.ScaleBindable);
}
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protected override void OnFree()
{
base.OnFree();
IndexInCurrentComboBindable.UnbindFrom(HitObject.IndexInCurrentComboBindable);
PositionBindable.UnbindFrom(HitObject.PositionBindable);
StackHeightBindable.UnbindFrom(HitObject.StackHeightBindable);
ScaleBindable.UnbindFrom(HitObject.ScaleBindable);
}
// Forward all internal management to shakeContainer.
// This is a bit ugly but we don't have the concept of InternalContent so it'll have to do for now. (https://github.com/ppy/osu-framework/issues/1690)
protected override void AddInternal(Drawable drawable) => shakeContainer.Add(drawable);
protected override void ClearInternal(bool disposeChildren = true) => shakeContainer.Clear(disposeChildren);
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protected override bool RemoveInternal(Drawable drawable, bool disposeImmediately) => shakeContainer.Remove(drawable, disposeImmediately);
protected sealed override double InitialLifetimeOffset => HitObject.TimePreempt;
private OsuInputManager osuActionInputManager;
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internal OsuInputManager OsuActionInputManager => osuActionInputManager ??= GetContainingInputManager() as OsuInputManager;
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public virtual void Shake(double maximumLength) => shakeContainer.Shake(maximumLength);
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/// <summary>
/// Causes this <see cref="DrawableOsuHitObject"/> to get missed, disregarding all conditions in implementations of <see cref="DrawableHitObject.CheckForResult"/>.
/// </summary>
public void MissForcefully() => ApplyResult(r => r.Type = r.Judgement.MinResult);
private RectangleF parentScreenSpaceRectangle => ((DrawableOsuHitObject)ParentHitObject)?.parentScreenSpaceRectangle ?? Parent.ScreenSpaceDrawQuad.AABBFloat;
/// <summary>
/// Calculates the position of the given <paramref name="drawable"/> relative to the playfield area.
/// </summary>
/// <param name="drawable">The drawable to calculate its relative position.</param>
protected float CalculateDrawableRelativePosition(Drawable drawable) => (drawable.ScreenSpaceDrawQuad.Centre.X - parentScreenSpaceRectangle.X) / parentScreenSpaceRectangle.Width;
protected override JudgementResult CreateResult(Judgement judgement) => new OsuJudgementResult(HitObject, judgement);
}
}