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Reduce complexity of AllHitObjects enumerator when nested playfields are not present

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This commit is contained in:
Dean Herbert 2020-09-22 18:17:04 +09:00
parent 77f9ba09a3
commit e0a2321822
1 changed files with 15 additions and 1 deletions
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16
osu.Game/Rulesets/UI/Playfield.cs
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@ -37,7 +37,21 @@ namespace osu.Game.Rulesets.UI
/// <summary> /// <summary>
/// All the <see cref="DrawableHitObject"/>s contained in this <see cref="Playfield"/> and all <see cref="NestedPlayfields"/>. /// All the <see cref="DrawableHitObject"/>s contained in this <see cref="Playfield"/> and all <see cref="NestedPlayfields"/>.
/// </summary> /// </summary>
public IEnumerable<DrawableHitObject> AllHitObjects => HitObjectContainer?.Objects.Concat(NestedPlayfields.SelectMany(p => p.AllHitObjects)) ?? Enumerable.Empty<DrawableHitObject>(); public IEnumerable<DrawableHitObject> AllHitObjects
{
get
{
if (HitObjectContainer == null)
return Enumerable.Empty<DrawableHitObject>();
var enumerable = HitObjectContainer.Objects;
if (nestedPlayfields.IsValueCreated)
enumerable = enumerable.Concat(NestedPlayfields.SelectMany(p => p.AllHitObjects));
return enumerable;
}
}
/// <summary> /// <summary>
/// All <see cref="Playfield"/>s nested inside this <see cref="Playfield"/>. /// All <see cref="Playfield"/>s nested inside this <see cref="Playfield"/>.