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osu-lazer/osu.Game.Rulesets.Osu/UI/OsuPlayfield.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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using System;
using System.Collections.Generic;
using System.Diagnostics;
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using System.Linq;
using osu.Framework.Allocation;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Pooling;
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using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.Osu.Configuration;
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using osu.Game.Rulesets.Osu.Objects;
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using osu.Game.Rulesets.Osu.Objects.Drawables;
using osu.Game.Rulesets.Osu.Objects.Drawables.Connections;
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using osu.Game.Rulesets.Osu.Scoring;
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using osu.Game.Rulesets.Osu.UI.Cursor;
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using osu.Game.Rulesets.Scoring;
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using osu.Game.Rulesets.UI;
using osuTK;
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namespace osu.Game.Rulesets.Osu.UI
{
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[Cached]
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public class OsuPlayfield : Playfield
{
private readonly PlayfieldBorder playfieldBorder;
private readonly ProxyContainer approachCircles;
private readonly ProxyContainer spinnerProxies;
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private readonly JudgementContainer<DrawableOsuJudgement> judgementLayer;
private readonly FollowPointRenderer followPoints;
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public static readonly Vector2 BASE_SIZE = new Vector2(512, 384);
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protected override GameplayCursorContainer CreateCursor() => new OsuCursorContainer();
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private readonly IDictionary<HitResult, DrawablePool<DrawableOsuJudgement>> poolDictionary = new Dictionary<HitResult, DrawablePool<DrawableOsuJudgement>>();
private readonly Container judgementAboveHitObjectLayer;
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public OsuPlayfield()
{
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Anchor = Anchor.Centre;
Origin = Anchor.Centre;
InternalChildren = new Drawable[]
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{
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playfieldBorder = new PlayfieldBorder { RelativeSizeAxes = Axes.Both },
spinnerProxies = new ProxyContainer { RelativeSizeAxes = Axes.Both },
followPoints = new FollowPointRenderer { RelativeSizeAxes = Axes.Both },
judgementLayer = new JudgementContainer<DrawableOsuJudgement> { RelativeSizeAxes = Axes.Both },
HitObjectContainer,
judgementAboveHitObjectLayer = new Container { RelativeSizeAxes = Axes.Both },
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approachCircles = new ProxyContainer { RelativeSizeAxes = Axes.Both },
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};
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HitPolicy = new StartTimeOrderedHitPolicy();
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var hitWindows = new OsuHitWindows();
foreach (var result in Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Where(r => r > HitResult.None && hitWindows.IsHitResultAllowed(r)))
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poolDictionary.Add(result, new DrawableJudgementPool(result, onJudgementLoaded));
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AddRangeInternal(poolDictionary.Values);
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NewResult += onNewResult;
}
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private IHitPolicy hitPolicy;
public IHitPolicy HitPolicy
{
get => hitPolicy;
set
{
hitPolicy = value ?? throw new ArgumentNullException(nameof(value));
hitPolicy.HitObjectContainer = HitObjectContainer;
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}
}
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protected override void OnNewDrawableHitObject(DrawableHitObject drawable)
{
((DrawableOsuHitObject)drawable).CheckHittable = hitPolicy.IsHittable;
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Debug.Assert(!drawable.IsLoaded, $"Already loaded {nameof(DrawableHitObject)} is added to {nameof(OsuPlayfield)}");
drawable.OnLoadComplete += onDrawableHitObjectLoaded;
}
private void onDrawableHitObjectLoaded(Drawable drawable)
{
// note: `Slider`'s `ProxiedLayer` is added when its nested `DrawableHitCircle` is loaded.
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switch (drawable)
{
case DrawableSpinner _:
spinnerProxies.Add(drawable.CreateProxy());
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break;
case DrawableHitCircle hitCircle:
approachCircles.Add(hitCircle.ProxiedLayer.CreateProxy());
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break;
}
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}
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private void onJudgementLoaded(DrawableOsuJudgement judgement)
{
judgementAboveHitObjectLayer.Add(judgement.ProxiedAboveHitObjectsContent);
}
[BackgroundDependencyLoader(true)]
private void load(OsuRulesetConfigManager config)
{
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config?.BindWith(OsuRulesetSetting.PlayfieldBorderStyle, playfieldBorder.PlayfieldBorderStyle);
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RegisterPool<HitCircle, DrawableHitCircle>(10, 100);
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RegisterPool<Slider, DrawableSlider>(10, 100);
RegisterPool<SliderHeadCircle, DrawableSliderHead>(10, 100);
RegisterPool<SliderTailCircle, DrawableSliderTail>(10, 100);
RegisterPool<SliderTick, DrawableSliderTick>(10, 100);
RegisterPool<SliderRepeat, DrawableSliderRepeat>(5, 50);
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RegisterPool<Spinner, DrawableSpinner>(2, 20);
RegisterPool<SpinnerTick, DrawableSpinnerTick>(10, 100);
RegisterPool<SpinnerBonusTick, DrawableSpinnerBonusTick>(10, 100);
}
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protected override HitObjectLifetimeEntry CreateLifetimeEntry(HitObject hitObject) => new OsuHitObjectLifetimeEntry(hitObject);
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protected override void OnHitObjectAdded(HitObject hitObject)
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{
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base.OnHitObjectAdded(hitObject);
followPoints.AddFollowPoints((OsuHitObject)hitObject);
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}
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protected override void OnHitObjectRemoved(HitObject hitObject)
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{
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base.OnHitObjectRemoved(hitObject);
followPoints.RemoveFollowPoints((OsuHitObject)hitObject);
}
private void onNewResult(DrawableHitObject judgedObject, JudgementResult result)
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{
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// Hitobjects that block future hits should miss previous hitobjects if they're hit out-of-order.
hitPolicy.HandleHit(judgedObject);
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if (!judgedObject.DisplayResult || !DisplayJudgements.Value)
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return;
DrawableOsuJudgement explosion = poolDictionary[result.Type].Get(doj => doj.Apply(result, judgedObject));
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judgementLayer.Add(explosion);
// the proxied content is added to judgementAboveHitObjectLayer once, on first load, and never removed from it.
// ensure that ordering is consistent with expectations (latest judgement should be front-most).
judgementAboveHitObjectLayer.ChangeChildDepth(explosion.ProxiedAboveHitObjectsContent, (float)-result.TimeAbsolute);
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}
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => HitObjectContainer.ReceivePositionalInputAt(screenSpacePos);
private class ProxyContainer : LifetimeManagementContainer
{
public void Add(Drawable proxy) => AddInternal(proxy);
}
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private class DrawableJudgementPool : DrawablePool<DrawableOsuJudgement>
{
private readonly HitResult result;
private readonly Action<DrawableOsuJudgement> onLoaded;
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public DrawableJudgementPool(HitResult result, Action<DrawableOsuJudgement> onLoaded)
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: base(10)
{
this.result = result;
this.onLoaded = onLoaded;
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}
protected override DrawableOsuJudgement CreateNewDrawable()
{
var judgement = base.CreateNewDrawable();
// just a placeholder to initialise the correct drawable hierarchy for this pool.
judgement.Apply(new JudgementResult(new HitObject(), new Judgement()) { Type = result }, null);
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onLoaded?.Invoke(judgement);
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return judgement;
}
}
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private class OsuHitObjectLifetimeEntry : HitObjectLifetimeEntry
{
public OsuHitObjectLifetimeEntry(HitObject hitObject)
: base(hitObject)
{
// Prevent past objects in idles states from remaining alive as their end times are skipped in non-frame-stable contexts.
LifetimeEnd = HitObject.GetEndTime() + HitObject.HitWindows.WindowFor(HitResult.Miss);
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}
protected override double InitialLifetimeOffset => ((OsuHitObject)HitObject).TimePreempt;
}
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}
}