ULiveLinkAnimationVirtualSubject | Unreal Engine 5.6 Documentation

A Skeleton virtual subject is an assembly of different subjects supporting the animation or basic role


Name	ULiveLinkAnimationVirtualSubject
Type	class
Header File	/Engine/Plugins/Animation/LiveLink/Source/LiveLink/Public/LiveLinkAnimationVirtualSubject.h
Include Path	#include "LiveLinkAnimationVirtualSubject.h"

Syntax

UCLASS (MinimalAPI, Meta=(DisplayName="Animation Virtual Subject"))  
class ULiveLinkAnimationVirtualSubject : public ULiveLinkVirtualSubject

Name	Remarks	Include Path	Unreal Specifiers
ULiveLinkAnimationVirtualSubject()		LiveLinkAnimationVirtualSubject.h

Name	Remarks
FChildBoneInfo	Information about a bone that needs to be attached to a parent subject.

Name	Type	Remarks	Include Path	Unreal Specifiers
Attachments	TArray< FLiveLinkVirtualSubjectBoneAttachment >	List of bone attachments between subjects.	LiveLinkAnimationVirtualSubject.h	EditAnywhere Category="LiveLink"
bAppendSubjectNameToBones	bool	Whether to append SubjectName to each bones part of the virtual hierarchy	LiveLinkAnimationVirtualSubject.h	EditAnywhere Category="Settings"
LocationBehavior	EBoneTransformResolution	What should happen to the location of a bone when there's a conflict between the child and parent subject.	LiveLinkAnimationVirtualSubject.h	EditAnywhere Category="LiveLink"
RotationBehavior	EBoneTransformResolution	What should happen to the rotation of a bone when there's a conflict between the child and parent subject.	LiveLinkAnimationVirtualSubject.h	EditAnywhere Category="LiveLink"

Name	Type	Remarks	Include Path
BoneNameToIndex	TMap< TPair< FName, FName >, int32 >	Lookup table of Subject + bone name to index in the concatenated list of bone names.	LiveLinkAnimationVirtualSubject.h
bSubjectsNeedSorting	bool	Whether the subjects need to be sorted because an attachment has been modified.	LiveLinkAnimationVirtualSubject.h
ChildBonesInfo	TMap< int32, FChildBoneInfo >	Map of global child indices to their respective bone info structure.	LiveLinkAnimationVirtualSubject.h

Name	Remarks	Include Path	Unreal Specifiers
virtual void PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent )		LiveLinkAnimationVirtualSubject.h

Name	Remarks	Include Path	Unreal Specifiers
virtual void Update()		LiveLinkAnimationVirtualSubject.h

Name	Remarks	Include Path
bool AreSubjectsValid ( const TArray< FLiveLinkSubjectKey >& InActiveSubjects ) const	Validates current source subjects	LiveLinkAnimationVirtualSubject.h
virtual void BuildFrame ( const TArray< FLiveLinkSubjectFrameData >& InSubjectSnapshots )		LiveLinkAnimationVirtualSubject.h
virtual void BuildSkeleton ( const TArray< FLiveLinkSubjectFrameData >& InSubjectSnapshots )	Builds a new ref skeleton based on the current subject state(can early out if ref skeleton is already up to date)	LiveLinkAnimationVirtualSubject.h
bool BuildSubjectSnapshot ( TArray< FLiveLinkSubjectFrameData >& OutSnapshot )		LiveLinkAnimationVirtualSubject.h
bool DoesSkeletonNeedRebuilding()	Tests to see if current ref skeleton is up to data	LiveLinkAnimationVirtualSubject.h
virtual void PostSkeletonRebuild()	Called after the update method.	LiveLinkAnimationVirtualSubject.h
void ProcessAttachmentsForFrameData ( FLiveLinkAnimationFrameData* SnapshotFrameData )	Apply transform offsets generated by the attachments to the frame data.	LiveLinkAnimationVirtualSubject.h
void ProcessAttachmentsForStaticData ( TArray< int32 >& InOutBoneParents )	Build the ChildBonesInfo list from the specified attachments.	LiveLinkAnimationVirtualSubject.h
void SortSubjects()	Sort the subjects according to the dependencies introduced by the attachments.	LiveLinkAnimationVirtualSubject.h