h1or4dme8/osu-lazer
1
0
Fork 0
mirror of https://github.com/ppy/osu.git synced 2024-11-06 06:57:39 +08:00
Code Issues Releases Wiki Activity

Reduce NestedHitObject enumerator overhead

Browse Source 
This was especially bad due to it allocating on any and every start time
change, even the first (see usage in `HitObject.ctor`).
This commit is contained in:
Dean Herbert 2021-09-20 01:48:33 +09:00
parent 0d58530dbe
commit 16e60eed56
2 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
View File

@ -52,7 +52,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
// In 2B beatmaps, it is possible that a normal Fruit is placed in the middle of a JuiceStream.
foreach (var hitObject in beatmap.HitObjects
.SelectMany(obj => obj is JuiceStream stream ? stream.NestedHitObjects : new[] { obj })
.SelectMany(obj => obj is JuiceStream stream ? stream.NestedHitObjects.AsEnumerable() : new[] { obj })
.Cast<CatchHitObject>()
.OrderBy(x => x.StartTime))
{

18
osu.Game/Rulesets/Objects/HitObject.cs
View File

@ -3,11 +3,12 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using JetBrains.Annotations;
using Newtonsoft.Json;
using osu.Framework.Bindables;
using osu.Framework.Extensions.ListExtensions;
using osu.Framework.Lists;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
@ -83,7 +84,7 @@ namespace osu.Game.Rulesets.Objects
private readonly List<HitObject> nestedHitObjects = new List<HitObject>();
[JsonIgnore]
public IReadOnlyList<HitObject> NestedHitObjects => nestedHitObjects;
public SlimReadOnlyListWrapper<HitObject> NestedHitObjects => nestedHitObjects.AsSlimReadOnly();
public HitObject()
{
@ -91,7 +92,7 @@ namespace osu.Game.Rulesets.Objects
{
double offset = time.NewValue - time.OldValue;
foreach (var nested in NestedHitObjects)
foreach (var nested in nestedHitObjects)
nested.StartTime += offset;
};
}
@ -122,11 +123,14 @@ namespace osu.Game.Rulesets.Objects
if (this is IHasComboInformation hasCombo)
{
foreach (var n in NestedHitObjects.OfType<IHasComboInformation>())
foreach (HitObject hitObject in nestedHitObjects)
{
n.ComboIndexBindable.BindTo(hasCombo.ComboIndexBindable);
n.ComboIndexWithOffsetsBindable.BindTo(hasCombo.ComboIndexWithOffsetsBindable);
n.IndexInCurrentComboBindable.BindTo(hasCombo.IndexInCurrentComboBindable);
if (hitObject is IHasComboInformation n)
{
n.ComboIndexBindable.BindTo(hasCombo.ComboIndexBindable);
n.ComboIndexWithOffsetsBindable.BindTo(hasCombo.ComboIndexWithOffsetsBindable);
n.IndexInCurrentComboBindable.BindTo(hasCombo.IndexInCurrentComboBindable);
}
}
}