UChildActorComponent | Unreal Engine 4.27 Documentation

Inheritance Hierarchy


Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Components/ChildActorComponent.h
Include	#include "Components/ChildActorComponent.h"

class UChildActorComponent : public USceneComponent

A component that spawns an Actor when registered, and destroys it when unregistered.

	Type	Name	Description
		UChildActorComponent ( const FObjectInitializer& ObjectInitializer )

Type	Name	Description
void	AddReferencedObjects ( UObject* InThis, FReferenceCollector& Collector )
void	ApplyComponentInstanceData ( FChildActorComponentInstanceData* ComponentInstanceData, const ECacheApplyPhase CacheApplyPhase )	Apply the component instance data to the child actor component
void	CreateChildActor ( TFunction< void(AActor*)> CustomizerFunc )	Create the child actor
void	DestroyChildActor ()	Kill any currently present child actor
AActor *	GetChildActor ()
TSubclassOf< AActor >	GetChildActorClass ()
FName	GetChildActorName ()
AActor *	GetChildActorTemplate ()
EChildActorComponentTreeViewVisualizationMode	GetEditorTreeViewVisualizationMode ()
void	SetChildActorClass ( TSubclassOf< AActor > InClass )	Sets the class to use for the child actor.
void	SetChildActorClass ( TSubclassOf< AActor > InClass, AActor* NewChildActorTemplate )	Sets then class to use for the child actor providing an optional Actor to use as the template.
void	SetChildActorName ( const FName InName )
void	SetChildActorNameIsExact ( bool bInExact )	When true, does not modify ChildActorName during spawn such as removing UAID
void	SetEditorTreeViewVisualizationMode ( EChildActorComponentTreeViewVisualizationMode InMode )

Type	Name	Description
void	BeginPlay ()	Begins Play for the component.
TStructOnScope< FActorComponentInstanceData >	GetComponentInstanceData ()	Called before we throw away components during RerunConstructionScripts, to cache any data we wish to persist across that operation
TSubclassOf< class UHLODBuilder >	GetCustomHLODBuilderClass ()	Return the custom HLODBuilder class that should be used to generate HLODs for components of this type.
bool	IsHLODRelevant ()	Override to specify that a component is relevant to the HLOD generation.
void	OnComponentDestroyed ( bool bDestroyingHierarchy )	Called when a component is destroyed
void	OnRegister ()	Called when a component is registered, after Scene is set, but before CreateRenderState_Concurrent or OnCreatePhysicsState are called.
void	OnUnregister ()	Called when a component is unregistered.

Type	Name	Description
void	BeginDestroy ()	Called before destroying the object.
void	GetLifetimeReplicatedProps ( TArray< FLifetimeProperty >& OutLifetimeProps )	Returns properties that are replicated for the lifetime of the actor channel
EDataValidationResult	IsDataValid ( FDataValidationContext& Context )	Generic function to validate objects during changelist validations, etc.
void	PostEditChangeChainProperty ( FPropertyChangedChainEvent& PropertyChangedEvent )	This alternate version of PostEditChange is called when properties inside structs are modified.
void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent )	Called when a property on this object has been modified externally
void	PostEditImport ()	Called after importing property values for this object (paste, duplicate or .t3d import) Allow the object to perform any cleanup for properties which shouldn't be duplicated or are unsupported by the script serialization
void	PostEditUndo ()	Called after applying a transaction to the object.
void	PostLoad ()	Do any object-specific cleanup required immediately after loading an object.
void	PostRepNotifies ()	Called right after calling all OnRep notifies (called even when there are no notifies)
void	Serialize ( FArchive& Ar )	Handles reading, writing, and reference collecting using FArchive.