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  3. FCEClonerAttachmentTree

FCEClonerAttachmentTree

Represents a logical tree used by the cloner to render its attachments Could differ from the actual physical tree used in the scene

API > API/Plugins > API/Plugins/ClonerEffector

Represents a logical tree used by the cloner to render its attachments Could differ from the actual physical tree used in the scene

   
Name FCEClonerAttachmentTree
Type struct
Header File /Engine/Plugins/VirtualProduction/ClonerEffector/Source/ClonerEffector/Public/Cloner/Attachments/CEClonerAttachmentTree.h
Include Path #include "Cloner/Attachments/CEClonerAttachmentTree.h"

Syntax

USTRUCT ()  
struct FCEClonerAttachmentTree

Typedefs

Name Type Remarks Include Path
FOnAttachmentChanged TBaseDelegate_TwoParams< void, AActor *, FCEClonerAttachmentItem & >   Cloner/Attachments/CEClonerAttachmentTree.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
bItemAttachmentsDirty bool Whether Added/Moved/Removed items requires an update Cloner/Attachments/CEClonerAttachmentTree.h
  • Transient
DirtyItemAttachments TSet< TWeakObjectPtr< AActor > > Attachment items that are dirty and need an update Cloner/Attachments/CEClonerAttachmentTree.h
  • Transient
ItemAttachmentMap TMap< TWeakObjectPtr< AActor >, FCEClonerAttachmentItem > All cloner attached actor items Cloner/Attachments/CEClonerAttachmentTree.h  
MergedBakedMeshes TArray< TObjectPtr< UStaticMesh > > Merged static meshes corresponding to the root actors for niagara, result of merging dynamic meshes together Cloner/Attachments/CEClonerAttachmentTree.h  
RootActors TArray< TWeakObjectPtr< AActor > > Actors directly attached to the cloner actor, order is important here Cloner/Attachments/CEClonerAttachmentTree.h  
Status ECEClonerAttachmentStatus Status of the cloner tree Cloner/Attachments/CEClonerAttachmentTree.h
  • Transient

Protected

Name Type Remarks Include Path Unreal Specifiers
AttachmentRoot TObjectPtr< AActor >   Cloner/Attachments/CEClonerAttachmentTree.h  
BehaviorImplementation TSharedPtr< ICEClonerAttachmentTreeBehavior >   Cloner/Attachments/CEClonerAttachmentTree.h  
OnItemAttachedDelegate FOnAttachmentChanged Called when tree item is attached Cloner/Attachments/CEClonerAttachmentTree.h  
OnItemDetachedDelegate FOnAttachmentChanged Called when tree item is detached Cloner/Attachments/CEClonerAttachmentTree.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void Cleanup()

 Performs cleanup before destruction Cloner/Attachments/CEClonerAttachmentTree.h  

void DetachItem ( AActor* InActor
)

 Detach an item from the tree Cloner/Attachments/CEClonerAttachmentTree.h  

AActor * FindRootActor ( AActor* InActor
)

 Finds root actor of an actor based on this tree hierarchy by climbing up Cloner/Attachments/CEClonerAttachmentTree.h  

void ForEachAttachment ( const TFunctionRef< bool(AActor*, FCEClonerAttachmentItem&)>& InFunctor
)

 Traverses each attachment in tree, stops when false is returned Cloner/Attachments/CEClonerAttachmentTree.h  

FBox GetAttachmentBounds ( AActor* InActor,
bool bInIncludeChildren
) const

 Get the attachment bounds based on tree hierarchy Cloner/Attachments/CEClonerAttachmentTree.h  

AActor * GetAttachmentRoot()

 Gets tree attachment root Cloner/Attachments/CEClonerAttachmentTree.h  

void GetAttachments ( AActor* InActor,
TArray< const FCEClonerAttachmentItem* >& OutAttachmentItems,
bool bInRecurse
) const

 Retrieves all attachments based on an actor Cloner/Attachments/CEClonerAttachmentTree.h  

FBox GetCacheBounds ( AActor* InActor
) const

 Get cached bounds for a root actor Cloner/Attachments/CEClonerAttachmentTree.h  

TArray< AActor * > GetRootActors()

 Retrieves all root actors from this tree hierarchy Cloner/Attachments/CEClonerAttachmentTree.h  

bool IsCacheAvailable ( bool bInAllowInvalid
) const

 True if all root meshes are valid and usable Cloner/Attachments/CEClonerAttachmentTree.h  

void MarkAttachmentOutdated()

 Marks the tree as outdated to perform an update Cloner/Attachments/CEClonerAttachmentTree.h  

void MarkCacheOutdated ( AActor* InActor
)

 Marks the actor cache as outdated for an update Cloner/Attachments/CEClonerAttachmentTree.h  

FOnAttachmentChanged::RegistrationType & OnItemAttached()

   Cloner/Attachments/CEClonerAttachmentTree.h  

FOnAttachmentChanged::RegistrationType & OnItemDetached()

   Cloner/Attachments/CEClonerAttachmentTree.h  

void SetAttachmentRoot ( AActor* InActor
)

 Sets tree attachment root to scan from Cloner/Attachments/CEClonerAttachmentTree.h  

void SetBehaviorImplementation ( const TSharedRef< ICEClonerAttachmentTreeBehavior >& InImplementation
)

 Set the behavior implementation to use Cloner/Attachments/CEClonerAttachmentTree.h  

bool UpdateAttachments ( bool bInReset
)

 Triggers an update of the attachment tree to detect updated items If reset is true, clears the attachment tree and rebuilds it otherwise diff update Cloner/Attachments/CEClonerAttachmentTree.h  

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