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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;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Primitives;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.Osu.Judgements;
using osu.Game.Rulesets.Osu.Scoring;
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using osuTK;
using osuTK.Graphics;
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namespace osu.Game.Rulesets.Osu.Objects.Drawables
{
public abstract partial 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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protected DrawableOsuHitObject(OsuHitObject hitObject)
: base(hitObject)
{
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}
[BackgroundDependencyLoader]
private void load()
{
Alpha = 0;
}
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);
}
protected override void UpdateInitialTransforms()
{
base.UpdateInitialTransforms();
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// Dim should only be applied at a top level, as it will be implicitly applied to nested objects.
if (ParentHitObject == null)
{
// Of note, no one noticed this was missing for years, but it definitely feels like it should still exist.
// For now this is applied across all skins, and matches stable.
// For simplicity, dim colour is applied to the DrawableHitObject itself.
// We may need to make a nested container setup if this even causes a usage conflict (ie. with a mod).
this.FadeColour(new Color4(195, 195, 195, 255));
using (BeginDelayedSequence(InitialLifetimeOffset - OsuHitWindows.MISS_WINDOW))
this.FadeColour(Color4.White, 100);
}
}
protected sealed override double InitialLifetimeOffset => HitObject.TimePreempt;
private OsuInputManager osuActionInputManager;
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internal OsuInputManager OsuActionInputManager => osuActionInputManager ??= GetContainingInputManager() as OsuInputManager;
/// <summary>
/// Shake the hit object in case it was clicked far too early or late (aka "note lock").
/// </summary>
public virtual void Shake() { }
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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);
}
}