FComponentInstanceDataCache | Unreal Engine 5.7 Documentation

Cache for component instance data. Note, does not collect references for GC, so is not safe to GC if the cache is only reference to a UObject.


Name	FComponentInstanceDataCache
Type	class
Header File	/Engine/Source/Runtime/Engine/Public/ComponentInstanceDataCache.h
Include Path	#include "ComponentInstanceDataCache.h"

Syntax

class FComponentInstanceDataCache

Name	Remarks	Include Path
FComponentInstanceDataCache ()		ComponentInstanceDataCache.h
FComponentInstanceDataCache ( const AActor* InActor )	Constructor that also populates cache from Actor	ComponentInstanceDataCache.h
FComponentInstanceDataCache ( const FComponentInstanceDataCache& )	Non-copyable	ComponentInstanceDataCache.h
FComponentInstanceDataCache ( FComponentInstanceDataCache&& )	Movable	ComponentInstanceDataCache.h

Name	Remarks	Include Path	Unreal Specifiers
~FComponentInstanceDataCache()		ComponentInstanceDataCache.h

Name	Type	Remarks	Include Path	Unreal Specifiers
ComponentsInstanceData	TArray< TStructOnScope< FActorComponentInstanceData > >	Map of component instance data struct (template -> instance data)	ComponentInstanceDataCache.h
InstanceComponentTransformToRootMap	TMap< TObjectPtr< USceneComponent >, FTransform >	Map of the actor instanced scene component to their transform relative to the root.	ComponentInstanceDataCache.h

Name	Remarks	Include Path
void AddReferencedObjects ( FReferenceCollector& Collector )		ComponentInstanceDataCache.h
void ApplyToActor ( AActor* Actor, const ECacheApplyPhase CacheApplyPhase ) const	Iterates over an Actor's components and applies the stored component instance data to each	ComponentInstanceDataCache.h
void FindAndReplaceInstances ( const TMap< UObject, UObject >& OldToNewInstanceMap )	Iterates over components and replaces any object references with the reinstanced information	ComponentInstanceDataCache.h
bool HasInstanceData()		ComponentInstanceDataCache.h
void Serialize ( FArchive& Ar )	Serialize Instance data for persistence or transmission.	ComponentInstanceDataCache.h

Name	Remarks	Include Path	Unreal Specifiers
static void GetComponentHierarchy ( const AActor* Actor, TArray< UActorComponent*, TInlineAllocator< NumInlinedActorComponents > >& OutComponentHierarc... )		ComponentInstanceDataCache.h

Name	Remarks	Include Path	Unreal Specifiers
FComponentInstanceDataCache & operator= ( const FComponentInstanceDataCache& )		ComponentInstanceDataCache.h
FComponentInstanceDataCache & operator= ( FComponentInstanceDataCache&& )		ComponentInstanceDataCache.h