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API > API/Plugins > API/Plugins/MovieSceneAnimMixer
Task that sets the RootTransformAttribute on the top keyframe, creating it if it doesn't exist. Used for gap behavior (PersistPreviousTransform) where we need to inject a cached world-space transform into an empty or non-root-motion pose. Unlike FAnimNextConvertRootMotionToWorldSpaceTask, this doesn't require an existing attribute and performs no space conversion (the gap transform is already in the correct post-conversion space from the trajectory cache).
| Name | FAnimNextSetRootTransformAttributeTask |
| Type | struct |
| Header File | /Engine/Plugins/Experimental/MovieSceneAnimMixer/Source/MovieSceneAnimMixer/Public/Systems/MovieSceneRootMotionSystem.h |
| Include Path | #include "Systems/MovieSceneRootMotionSystem.h" |
Syntax
USTRUCT ()
struct FAnimNextSetRootTransformAttributeTask : public FAnimNextEvaluationTask
Inheritance Hierarchy
- FAnimNextEvaluationTask → FAnimNextSetRootTransformAttributeTask
Constructors
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
FAnimNextSetRootTransformAttributeTask() |
Systems/MovieSceneRootMotionSystem.h |
Variables
Public
| Name | Type | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|---|
| Transform | FTransform | Systems/MovieSceneRootMotionSystem.h |
Functions
Public
Public Virtual
Overridden from FAnimNextEvaluationTask
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
virtual void Execute
(
UE::UAF::FEvaluationVM& VM |
Systems/MovieSceneRootMotionSystem.h | ||
virtual const UScriptStruct * GetStruct() |
Systems/MovieSceneRootMotionSystem.h |
Static
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
static FAnimNextSetRootTransformAttributeTask Make
(
const FTransform& InTransform |
Systems/MovieSceneRootMotionSystem.h |