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Root Bone will be locked to the following selected position when extracting root motion. Ref Pose: Use the Reference Pose's Root Bone position. Anim First Frame: Use the Root Bone position of the animation's first frame. Zero: Use the Root Bone position on the first frame of the Animation.
Force Root Lock
Enable to force Root Bone Lock even if Root Motion is not Enabled.
Use Normalized Root Motion Scale
If enabled, a normalized scale value for the root motion extracted: FVector(1.0, 1.0, 1.0) will be used.
Animation length
Select the desired animation range, or length to import. Exported Time: This option imports animation frames based on what is defined at the time of export. Animated Time: Will import the range of frames that have animation data assigned. Can be useful if the exported range is longer than the actual animation in the FBX file. Set Range: This will enable manual control to define the Start Frame and End Frame of the imported animation.
Import Meshes in Bone Hierarchy
If checked, meshes nested in bone hierarchies will be imported instead of being converted to bones.
Frame Import Range
If under the Animation Length property above, Set Range is selected, then you can manually set the frame range used during an importation or reimportation of the current animation.
Use Default Sampler Rate
If enabled, samples all animation curves to 30 FPS.
Custom Sample Rate
Sample FBX animation data at the specified sample rate. If set to 0, Unreal will automatically find the best sample rate.
Import Custom Attribute
If one is present, Unreal will import a custom attribute as a curve within the animation.
Delete Existing Custom Attribute Curves
If enabled, all previous custom attribute curves will be deleted when doing a re-import.
Delete Existing Non Curve Custom Attributes
If enabled, all previous non-curve custom attributes will be deleted when doing a re-import.
Import Bone Tracks
By default, Unreal is set to Import bone transform tracks. If disabled, this will discard any bon transform tracks. Useful for curves only animation.
Set Material Curve Type
Set Material Curve Type for all custom attributes that exist.
Material Curve Suffixes
Set Material Curve Type for a custom attribute with the following suffixes. This property is disregarded if Set Material Curve Type is true.
Remove Redundant Keys
If enabled, this will remove redundant keys when importing custom attributes as curves.
Delete Existing Morph Target Curves
If enabled, this will delete existing Morph Targets from the FBX.
Do not import curves with only 0 values
When enabled, Unreal will disregard any curves with a value of zero during Importation. Useful when importing custom attributes or Morph Targets as curves, to avoid adding extra curves to evaluate.
Preserves Local Transform
If enabled, this will import a curve within the animation.
Import Transform
Controllable offset for importation Transform placement. More relevant when working with Skeleton and Skeletal Mesh assets.
Import Rotation
Controllable offset for importation Rotation placement. More relevant when working with Skeleton and Skeletal Mesh assets.
Import Uniform Scale
Controllable Uniform Scale for importation. More relevant when working with Skeleton and Skeletal Mesh assets.
Convert Scene
Convert the scene from FBX coordinate system to UE coordinate system.
Force Front XAxis
Convert the scene from FBX coordinate system to UE coordinate system with front X axis instead of -Y.
Convert Scene Unit
Convert the scene from FBX unit to UE unit (centimeters),
Source File
Viewable file path for currently selected asset.
Per Bone Custom Attribute Data