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osu-lazer/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableHitCircle.cs
2022-11-27 00:00:27 +09:00

288 lines
9.5 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.
#nullable disable
using System;
using System.Diagnostics;
using JetBrains.Annotations;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Game.Graphics.Containers;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.Osu.Judgements;
using osu.Game.Rulesets.Osu.Skinning;
using osu.Game.Rulesets.Osu.Skinning.Default;
using osu.Game.Rulesets.Scoring;
using osu.Game.Skinning;
using osuTK;
namespace osu.Game.Rulesets.Osu.Objects.Drawables
{
public partial class DrawableHitCircle : DrawableOsuHitObject, IHasApproachCircle
{
public OsuAction? HitAction => HitArea.HitAction;
protected virtual OsuSkinComponents CirclePieceComponent => OsuSkinComponents.HitCircle;
public SkinnableDrawable ApproachCircle { get; private set; }
public HitReceptor HitArea { get; private set; }
public SkinnableDrawable CirclePiece { get; private set; }
Drawable IHasApproachCircle.ApproachCircle => ApproachCircle;
private Container scaleContainer;
private InputManager inputManager;
public DrawableHitCircle()
: this(null)
{
}
public DrawableHitCircle([CanBeNull] HitCircle h = null)
: base(h)
{
}
private ShakeContainer shakeContainer;
[BackgroundDependencyLoader]
private void load()
{
Origin = Anchor.Centre;
AddRangeInternal(new Drawable[]
{
scaleContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
Children = new Drawable[]
{
HitArea = new HitReceptor
{
Hit = () =>
{
if (AllJudged)
return false;
UpdateResult(true);
return true;
},
},
shakeContainer = new ShakeContainer
{
ShakeDuration = 30,
RelativeSizeAxes = Axes.Both,
Children = new Drawable[]
{
CirclePiece = new SkinnableDrawable(new OsuSkinComponentLookup(CirclePieceComponent), _ => new MainCirclePiece())
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
},
ApproachCircle = new ProxyableSkinnableDrawable(new OsuSkinComponentLookup(OsuSkinComponents.ApproachCircle), _ => new DefaultApproachCircle())
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Alpha = 0,
Scale = new Vector2(4),
}
}
}
}
},
});
Size = HitArea.DrawSize;
PositionBindable.BindValueChanged(_ => UpdatePosition());
StackHeightBindable.BindValueChanged(_ => UpdatePosition());
ScaleBindable.BindValueChanged(scale => scaleContainer.Scale = new Vector2(scale.NewValue));
}
protected override void LoadComplete()
{
base.LoadComplete();
inputManager = GetContainingInputManager();
}
public override double LifetimeStart
{
get => base.LifetimeStart;
set
{
base.LifetimeStart = value;
ApproachCircle.LifetimeStart = value;
}
}
public override double LifetimeEnd
{
get => base.LifetimeEnd;
set
{
base.LifetimeEnd = value;
ApproachCircle.LifetimeEnd = value;
}
}
protected virtual void UpdatePosition()
{
Position = HitObject.StackedPosition;
}
public override void Shake() => shakeContainer.Shake();
protected override void CheckForResult(bool userTriggered, double timeOffset)
{
Debug.Assert(HitObject.HitWindows != null);
if (!userTriggered)
{
if (!HitObject.HitWindows.CanBeHit(timeOffset))
ApplyResult(r => r.Type = r.Judgement.MinResult);
return;
}
var result = ResultFor(timeOffset);
if (result == HitResult.None || CheckHittable?.Invoke(this, Time.Current) == false)
{
Shake();
return;
}
ApplyResult(r =>
{
var circleResult = (OsuHitCircleJudgementResult)r;
// Todo: This should also consider misses, but they're a little more interesting to handle, since we don't necessarily know the position at the time of a miss.
if (result.IsHit())
{
var localMousePosition = ToLocalSpace(inputManager.CurrentState.Mouse.Position);
circleResult.CursorPositionAtHit = HitObject.StackedPosition + (localMousePosition - DrawSize / 2);
}
circleResult.Type = result;
});
}
/// <summary>
/// Retrieves the <see cref="HitResult"/> for a time offset.
/// </summary>
/// <param name="timeOffset">The time offset.</param>
/// <returns>The hit result, or <see cref="HitResult.None"/> if <paramref name="timeOffset"/> doesn't result in a judgement.</returns>
protected virtual HitResult ResultFor(double timeOffset) => HitObject.HitWindows.ResultFor(timeOffset);
protected override void UpdateInitialTransforms()
{
base.UpdateInitialTransforms();
CirclePiece.FadeInFromZero(HitObject.TimeFadeIn);
ApproachCircle.FadeIn(Math.Min(HitObject.TimeFadeIn * 2, HitObject.TimePreempt));
ApproachCircle.ScaleTo(1f, HitObject.TimePreempt);
ApproachCircle.Expire(true);
}
protected override void UpdateStartTimeStateTransforms()
{
base.UpdateStartTimeStateTransforms();
// always fade out at the circle's start time (to match user expectations).
ApproachCircle.FadeOut(50);
}
protected override void UpdateHitStateTransforms(ArmedState state)
{
Debug.Assert(HitObject.HitWindows != null);
// todo: temporary / arbitrary, used for lifetime optimisation.
this.Delay(800).FadeOut();
switch (state)
{
default:
ApproachCircle.FadeOut();
break;
case ArmedState.Idle:
HitArea.HitAction = null;
break;
case ArmedState.Miss:
this.FadeOut(100);
break;
}
Expire();
}
public Drawable ProxiedLayer => ApproachCircle;
protected override JudgementResult CreateResult(Judgement judgement) => new OsuHitCircleJudgementResult(HitObject, judgement);
public partial class HitReceptor : CompositeDrawable, IKeyBindingHandler<OsuAction>
{
// IsHovered is used
public override bool HandlePositionalInput => true;
public Func<bool> Hit;
public OsuAction? HitAction;
public HitReceptor()
{
Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
CornerRadius = OsuHitObject.OBJECT_RADIUS;
CornerExponent = 2;
}
public bool OnPressed(KeyBindingPressEvent<OsuAction> e)
{
switch (e.Action)
{
case OsuAction.LeftButton:
case OsuAction.RightButton:
if (IsHovered && (Hit?.Invoke() ?? false))
{
HitAction = e.Action;
return true;
}
break;
}
return false;
}
public void OnReleased(KeyBindingReleaseEvent<OsuAction> e)
{
}
}
private partial class ProxyableSkinnableDrawable : SkinnableDrawable
{
public override bool RemoveWhenNotAlive => false;
public ProxyableSkinnableDrawable(ISkinComponentLookup lookup, Func<ISkinComponentLookup, Drawable> defaultImplementation = null, ConfineMode confineMode = ConfineMode.NoScaling)
: base(lookup, defaultImplementation, confineMode)
{
}
}
}
}