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Code Issues Releases Wiki Activity

Merge pull request #12422 from ekrctb/no-lazy-list

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Remove usage of Lazy<List<...>> by always allocating an empty list
This commit is contained in:
Dan Balasescu 2021-04-15 20:09:39 +09:00 committed by GitHub
commit 98e2245d83
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 19 additions and 39 deletions
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23
osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs
View File

@ -56,8 +56,8 @@ namespace osu.Game.Rulesets.Objects.Drawables
public virtual IEnumerable<HitSampleInfo> GetSamples() => HitObject.Samples;
private readonly Lazy<List<DrawableHitObject>> nestedHitObjects = new Lazy<List<DrawableHitObject>>();
public IReadOnlyList<DrawableHitObject> NestedHitObjects => nestedHitObjects.IsValueCreated ? nestedHitObjects.Value : (IReadOnlyList<DrawableHitObject>)Array.Empty<DrawableHitObject>();
private readonly List<DrawableHitObject> nestedHitObjects = new List<DrawableHitObject>();
public IReadOnlyList<DrawableHitObject> NestedHitObjects => nestedHitObjects;
/// <summary>
/// Whether this object should handle any user input events.
@ -249,7 +249,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
// Must be done before the nested DHO is added to occur before the nested Apply()!
drawableNested.ParentHitObject = this;
nestedHitObjects.Value.Add(drawableNested);
nestedHitObjects.Add(drawableNested);
AddNestedHitObject(drawableNested);
}
@ -305,19 +305,16 @@ namespace osu.Game.Rulesets.Objects.Drawables
if (Samples != null)
Samples.Samples = null;
if (nestedHitObjects.IsValueCreated)
foreach (var obj in nestedHitObjects)
{
foreach (var obj in nestedHitObjects.Value)
{
obj.OnNewResult -= onNewResult;
obj.OnRevertResult -= onRevertResult;
obj.ApplyCustomUpdateState -= onApplyCustomUpdateState;
}
nestedHitObjects.Value.Clear();
ClearNestedHitObjects();
obj.OnNewResult -= onNewResult;
obj.OnRevertResult -= onRevertResult;
obj.ApplyCustomUpdateState -= onApplyCustomUpdateState;
}
nestedHitObjects.Clear();
ClearNestedHitObjects();
HitObject.DefaultsApplied -= onDefaultsApplied;
OnFree();

35
osu.Game/Rulesets/UI/Playfield.cs
View File

@ -66,7 +66,7 @@ namespace osu.Game.Rulesets.UI
var enumerable = HitObjectContainer.Objects;
if (nestedPlayfields.IsValueCreated)
if (nestedPlayfields.Count != 0)
enumerable = enumerable.Concat(NestedPlayfields.SelectMany(p => p.AllHitObjects));
return enumerable;
@ -76,9 +76,9 @@ namespace osu.Game.Rulesets.UI
/// <summary>
/// All <see cref="Playfield"/>s nested inside this <see cref="Playfield"/>.
/// </summary>
public IEnumerable<Playfield> NestedPlayfields => nestedPlayfields.IsValueCreated ? nestedPlayfields.Value : Enumerable.Empty<Playfield>();
public IEnumerable<Playfield> NestedPlayfields => nestedPlayfields;
private readonly Lazy<List<Playfield>> nestedPlayfields = new Lazy<List<Playfield>>();
private readonly List<Playfield> nestedPlayfields = new List<Playfield>();
/// <summary>
/// Whether judgements should be displayed by this and and all nested <see cref="Playfield"/>s.
@ -217,7 +217,7 @@ namespace osu.Game.Rulesets.UI
otherPlayfield.HitObjectUsageBegan += h => HitObjectUsageBegan?.Invoke(h);
otherPlayfield.HitObjectUsageFinished += h => HitObjectUsageFinished?.Invoke(h);
nestedPlayfields.Value.Add(otherPlayfield);
nestedPlayfields.Add(otherPlayfield);
}
protected override void LoadComplete()
@ -279,12 +279,7 @@ namespace osu.Game.Rulesets.UI
return true;
}
bool removedFromNested = false;
if (nestedPlayfields.IsValueCreated)
removedFromNested = nestedPlayfields.Value.Any(p => p.Remove(hitObject));
return removedFromNested;
return nestedPlayfields.Any(p => p.Remove(hitObject));
}
/// <summary>
@ -429,10 +424,7 @@ namespace osu.Game.Rulesets.UI
return;
}
if (!nestedPlayfields.IsValueCreated)
return;
foreach (var p in nestedPlayfields.Value)
foreach (var p in nestedPlayfields)
p.SetKeepAlive(hitObject, keepAlive);
}
@ -444,10 +436,7 @@ namespace osu.Game.Rulesets.UI
foreach (var (_, entry) in lifetimeEntryMap)
entry.KeepAlive = true;
if (!nestedPlayfields.IsValueCreated)
return;
foreach (var p in nestedPlayfields.Value)
foreach (var p in nestedPlayfields)
p.KeepAllAlive();
}
@ -461,10 +450,7 @@ namespace osu.Game.Rulesets.UI
{
HitObjectContainer.PastLifetimeExtension = value;
if (!nestedPlayfields.IsValueCreated)
return;
foreach (var nested in nestedPlayfields.Value)
foreach (var nested in nestedPlayfields)
nested.PastLifetimeExtension = value;
}
}
@ -479,10 +465,7 @@ namespace osu.Game.Rulesets.UI
{
HitObjectContainer.FutureLifetimeExtension = value;
if (!nestedPlayfields.IsValueCreated)
return;
foreach (var nested in nestedPlayfields.Value)
foreach (var nested in nestedPlayfields)
nested.FutureLifetimeExtension = value;
}
}