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268 lines
9.0 KiB
C#
268 lines
9.0 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Diagnostics;
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using JetBrains.Annotations;
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input;
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using osu.Framework.Input.Bindings;
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using osu.Framework.Input.Events;
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using osu.Game.Rulesets.Judgements;
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using osu.Game.Rulesets.Objects.Drawables;
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using osu.Game.Rulesets.Osu.Judgements;
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using osu.Game.Rulesets.Osu.Skinning;
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using osu.Game.Rulesets.Osu.Skinning.Default;
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using osu.Game.Rulesets.Scoring;
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using osu.Game.Skinning;
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using osuTK;
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namespace osu.Game.Rulesets.Osu.Objects.Drawables
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{
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public class DrawableHitCircle : DrawableOsuHitObject, IHasMainCirclePiece, IHasApproachCircle
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{
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public OsuAction? HitAction => HitArea.HitAction;
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protected virtual OsuSkinComponents CirclePieceComponent => OsuSkinComponents.HitCircle;
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public SkinnableDrawable ApproachCircle { get; private set; }
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public HitReceptor HitArea { get; private set; }
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public SkinnableDrawable CirclePiece { get; private set; }
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Drawable IHasApproachCircle.ApproachCircle => ApproachCircle;
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private Container scaleContainer;
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private InputManager inputManager;
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public DrawableHitCircle()
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: this(null)
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{
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}
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public DrawableHitCircle([CanBeNull] HitCircle h = null)
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: base(h)
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{
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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Origin = Anchor.Centre;
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InternalChildren = new Drawable[]
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{
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scaleContainer = new Container
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{
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RelativeSizeAxes = Axes.Both,
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Origin = Anchor.Centre,
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Anchor = Anchor.Centre,
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Children = new Drawable[]
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{
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HitArea = new HitReceptor
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{
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Hit = () =>
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{
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if (AllJudged)
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return false;
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UpdateResult(true);
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return true;
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},
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},
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CirclePiece = new SkinnableDrawable(new OsuSkinComponent(CirclePieceComponent), _ => new MainCirclePiece())
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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},
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ApproachCircle = new ProxyableSkinnableDrawable(new OsuSkinComponent(OsuSkinComponents.ApproachCircle), _ => new DefaultApproachCircle())
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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Alpha = 0,
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Scale = new Vector2(4),
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}
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}
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},
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};
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Size = HitArea.DrawSize;
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PositionBindable.BindValueChanged(_ => Position = HitObject.StackedPosition);
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StackHeightBindable.BindValueChanged(_ => Position = HitObject.StackedPosition);
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ScaleBindable.BindValueChanged(scale => scaleContainer.Scale = new Vector2(scale.NewValue));
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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inputManager = GetContainingInputManager();
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}
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public override double LifetimeStart
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{
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get => base.LifetimeStart;
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set
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{
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base.LifetimeStart = value;
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ApproachCircle.LifetimeStart = value;
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}
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}
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public override double LifetimeEnd
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{
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get => base.LifetimeEnd;
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set
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{
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base.LifetimeEnd = value;
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ApproachCircle.LifetimeEnd = value;
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}
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}
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protected override void CheckForResult(bool userTriggered, double timeOffset)
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{
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Debug.Assert(HitObject.HitWindows != null);
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if (!userTriggered)
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{
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if (!HitObject.HitWindows.CanBeHit(timeOffset))
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ApplyResult(r => r.Type = r.Judgement.MinResult);
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return;
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}
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var result = ResultFor(timeOffset);
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if (result == HitResult.None || CheckHittable?.Invoke(this, Time.Current) == false)
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{
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Shake(Math.Abs(timeOffset) - HitObject.HitWindows.WindowFor(HitResult.Miss));
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return;
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}
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ApplyResult(r =>
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{
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var circleResult = (OsuHitCircleJudgementResult)r;
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// 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.
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if (result.IsHit())
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{
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var localMousePosition = ToLocalSpace(inputManager.CurrentState.Mouse.Position);
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circleResult.CursorPositionAtHit = HitObject.StackedPosition + (localMousePosition - DrawSize / 2);
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}
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circleResult.Type = result;
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});
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}
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/// <summary>
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/// Retrieves the <see cref="HitResult"/> for a time offset.
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/// </summary>
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/// <param name="timeOffset">The time offset.</param>
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/// <returns>The hit result, or <see cref="HitResult.None"/> if <paramref name="timeOffset"/> doesn't result in a judgement.</returns>
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protected virtual HitResult ResultFor(double timeOffset) => HitObject.HitWindows.ResultFor(timeOffset);
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protected override void UpdateInitialTransforms()
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{
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base.UpdateInitialTransforms();
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CirclePiece.FadeInFromZero(HitObject.TimeFadeIn);
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ApproachCircle.FadeIn(Math.Min(HitObject.TimeFadeIn * 2, HitObject.TimePreempt));
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ApproachCircle.ScaleTo(1f, HitObject.TimePreempt);
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ApproachCircle.Expire(true);
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}
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protected override void UpdateStartTimeStateTransforms()
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{
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base.UpdateStartTimeStateTransforms();
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// always fade out at the circle's start time (to match user expectations).
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ApproachCircle.FadeOut(50);
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}
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protected override void UpdateHitStateTransforms(ArmedState state)
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{
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Debug.Assert(HitObject.HitWindows != null);
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// todo: temporary / arbitrary, used for lifetime optimisation.
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this.Delay(800).FadeOut();
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// in the case of an early state change, the fade should be expedited to the current point in time.
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if (HitStateUpdateTime < HitObject.StartTime)
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ApproachCircle.FadeOut(50);
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switch (state)
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{
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case ArmedState.Idle:
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HitArea.HitAction = null;
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break;
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case ArmedState.Miss:
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this.FadeOut(100);
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break;
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}
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Expire();
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}
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public Drawable ProxiedLayer => ApproachCircle;
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protected override JudgementResult CreateResult(Judgement judgement) => new OsuHitCircleJudgementResult(HitObject, judgement);
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public class HitReceptor : CompositeDrawable, IKeyBindingHandler<OsuAction>
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{
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// IsHovered is used
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public override bool HandlePositionalInput => true;
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public Func<bool> Hit;
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public OsuAction? HitAction;
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public HitReceptor()
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{
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Size = new Vector2(OsuHitObject.OBJECT_RADIUS * 2);
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Anchor = Anchor.Centre;
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Origin = Anchor.Centre;
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CornerRadius = OsuHitObject.OBJECT_RADIUS;
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CornerExponent = 2;
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}
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public bool OnPressed(KeyBindingPressEvent<OsuAction> e)
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{
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switch (e.Action)
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{
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case OsuAction.LeftButton:
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case OsuAction.RightButton:
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if (IsHovered && (Hit?.Invoke() ?? false))
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{
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HitAction = e.Action;
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return true;
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}
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break;
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}
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return false;
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}
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public void OnReleased(KeyBindingReleaseEvent<OsuAction> e)
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{
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}
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}
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private class ProxyableSkinnableDrawable : SkinnableDrawable
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{
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public override bool RemoveWhenNotAlive => false;
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public ProxyableSkinnableDrawable(ISkinComponent component, Func<ISkinComponent, Drawable> defaultImplementation = null, ConfineMode confineMode = ConfineMode.NoScaling)
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: base(component, defaultImplementation, confineMode)
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{
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}
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}
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}
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}
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