void
SetInstance
( int32 InstanceIndex, const FMatrix& Transform, float RandomInstanceID)
( int32 InstanceIndex, const FMatrix& Transform, const FVector2D& LightmapUVBias, const FVector2D& ShadowmapUVBias)
( int32 InstanceIndex, const FMatrix& Transform, float RandomInstanceID, const FVector2D& LightmapUVBias, const FVector2D& ShadowmapUVBias)