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osu-lazer/osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs
2020-11-14 18:05:30 +09:00

210 lines
8.0 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.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Pooling;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.Osu.Configuration;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Rulesets.Osu.Objects.Drawables;
using osu.Game.Rulesets.Osu.Objects.Drawables.Connections;
using osu.Game.Rulesets.Osu.Scoring;
using osu.Game.Rulesets.Osu.UI.Cursor;
using osu.Game.Rulesets.Scoring;
using osu.Game.Rulesets.UI;
using osu.Game.Skinning;
using osuTK;
namespace osu.Game.Rulesets.Osu.UI
{
public class OsuPlayfield : Playfield
{
public readonly Func<DrawableHitObject, double, bool> CheckHittable;
private readonly PlayfieldBorder playfieldBorder;
private readonly ProxyContainer approachCircles;
private readonly ProxyContainer spinnerProxies;
private readonly JudgementContainer<DrawableOsuJudgement> judgementLayer;
private readonly FollowPointRenderer followPoints;
private readonly OrderedHitPolicy hitPolicy;
public static readonly Vector2 BASE_SIZE = new Vector2(512, 384);
protected override GameplayCursorContainer CreateCursor() => new OsuCursorContainer();
private readonly Bindable<bool> playfieldBorderStyle = new BindableBool();
private readonly IDictionary<HitResult, DrawablePool<DrawableOsuJudgement>> poolDictionary = new Dictionary<HitResult, DrawablePool<DrawableOsuJudgement>>();
public OsuPlayfield()
{
InternalChildren = new Drawable[]
{
playfieldBorder = new PlayfieldBorder
{
RelativeSizeAxes = Axes.Both,
Depth = 3
},
spinnerProxies = new ProxyContainer
{
RelativeSizeAxes = Axes.Both
},
followPoints = new FollowPointRenderer
{
RelativeSizeAxes = Axes.Both,
Depth = 2,
},
judgementLayer = new JudgementContainer<DrawableOsuJudgement>
{
RelativeSizeAxes = Axes.Both,
Depth = 1,
},
// Todo: This should not exist, but currently helps to reduce LOH allocations due to unbinding skin source events on judgement disposal
// Todo: Remove when hitobjects are properly pooled
new SkinProvidingContainer(null)
{
Child = HitObjectContainer,
},
approachCircles = new ProxyContainer
{
RelativeSizeAxes = Axes.Both,
Depth = -1,
},
};
hitPolicy = new OrderedHitPolicy(HitObjectContainer);
CheckHittable = hitPolicy.IsHittable;
var hitWindows = new OsuHitWindows();
foreach (var result in Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Where(r => r > HitResult.None && hitWindows.IsHitResultAllowed(r)))
poolDictionary.Add(result, new DrawableJudgementPool(result));
AddRangeInternal(poolDictionary.Values);
NewResult += onNewResult;
}
[BackgroundDependencyLoader(true)]
private void load(OsuRulesetConfigManager config)
{
config?.BindWith(OsuRulesetSetting.PlayfieldBorderStyle, playfieldBorder.PlayfieldBorderStyle);
registerPool<HitCircle, DrawableHitCircle>(10, 100);
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);
registerPool<Spinner, DrawableSpinner>(2, 20);
registerPool<SpinnerTick, DrawableSpinnerTick>(10, 100);
registerPool<SpinnerBonusTick, DrawableSpinnerBonusTick>(10, 100);
}
private void registerPool<TObject, TDrawable>(int initialSize, int? maximumSize = null)
where TObject : HitObject
where TDrawable : DrawableHitObject, new()
=> RegisterPool<TObject, TDrawable>(CreatePool<TDrawable>(initialSize, maximumSize));
protected virtual DrawablePool<TDrawable> CreatePool<TDrawable>(int initialSize, int? maximumSize = null)
where TDrawable : DrawableHitObject, new()
=> new DrawableOsuPool<TDrawable>(CheckHittable, OnHitObjectLoaded, initialSize, maximumSize);
protected override HitObjectLifetimeEntry CreateLifetimeEntry(HitObject hitObject) => new OsuHitObjectLifetimeEntry(hitObject);
protected override void OnHitObjectAdded(HitObject hitObject)
{
base.OnHitObjectAdded(hitObject);
followPoints.AddFollowPoints((OsuHitObject)hitObject);
}
protected override void OnHitObjectRemoved(HitObject hitObject)
{
base.OnHitObjectRemoved(hitObject);
followPoints.RemoveFollowPoints((OsuHitObject)hitObject);
}
public void OnHitObjectLoaded(Drawable drawable)
{
switch (drawable)
{
case DrawableSliderHead _:
case DrawableSliderTail _:
case DrawableSliderTick _:
case DrawableSliderRepeat _:
case DrawableSpinnerTick _:
break;
case DrawableSpinner _:
spinnerProxies.Add(drawable.CreateProxy());
break;
case IDrawableHitObjectWithProxiedApproach approach:
approachCircles.Add(approach.ProxiedLayer.CreateProxy());
break;
}
}
private void onNewResult(DrawableHitObject judgedObject, JudgementResult result)
{
// Hitobjects that block future hits should miss previous hitobjects if they're hit out-of-order.
hitPolicy.HandleHit(judgedObject);
if (!judgedObject.DisplayResult || !DisplayJudgements.Value)
return;
DrawableOsuJudgement explosion = poolDictionary[result.Type].Get(doj => doj.Apply(result, judgedObject));
judgementLayer.Add(explosion);
}
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => HitObjectContainer.ReceivePositionalInputAt(screenSpacePos);
private class ProxyContainer : LifetimeManagementContainer
{
public void Add(Drawable proxy) => AddInternal(proxy);
}
private class DrawableJudgementPool : DrawablePool<DrawableOsuJudgement>
{
private readonly HitResult result;
public DrawableJudgementPool(HitResult result)
: base(10)
{
this.result = result;
}
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);
return judgement;
}
}
private class OsuHitObjectLifetimeEntry : HitObjectLifetimeEntry
{
public OsuHitObjectLifetimeEntry(HitObject hitObject)
: base(hitObject)
{
}
protected override double InitialLifetimeOffset => ((OsuHitObject)HitObject).TimePreempt;
}
}
}