reference.json

{
  //  Skeleton to import
  "skeleton" : 
  {
    "filename" : "skeleton.ozz", //  Specifies skeleton input/output filename. The file will be outputted if import is true. It will also be used as an input reference during animations import.
    //  Define skeleton import settings.
    "import" : 
    {
      "enable" : true, //  Imports (from source data file) and writes skeleton output file.
      "raw" : false, //  Outputs raw skeleton.
      //  Define nodes types that should be considered as skeleton joints.
      "types" : 
      {
        "skeleton" : true, //  Uses skeleton nodes as skeleton joints.
        "marker" : false, //  Uses marker nodes as skeleton joints.
        "camera" : false, //  Uses camera nodes as skeleton joints.
        "geometry" : false, //  Uses geometry nodes as skeleton joints.
        "light" : false, //  Uses light nodes as skeleton joints.
        "null" : false, //  Uses null nodes as skeleton joints.
        "any" : false //  Uses any node type as skeleton joints, including those listed above and any other.
      }
    }
  },
  //  Animations to import.
  "animations" : 
  [
    {
      "clip" : "*", //  Specifies clip name (take) of the animation to import from the source file. Wildcard characters '*' and '?' are supported
      "filename" : "*.ozz", //  Specifies animation output filename. Use a '*' character to specify part(s) of the filename that should be replaced by the clip name.
      "raw" : false, //  Outputs raw animation.
      "additive" : false, //  Creates a delta animation that can be used for additive blending.
      "additive_reference" : "animation", //  Select reference pose to use to build additive/delta animation. Can be "animation" to use the 1st animation keyframe as reference, or "skeleton" to use skeleton rest pose.
      "sampling_rate" : 0, //  Selects animation sampling rate in hertz. Set a value <= 0 to use imported scene default frame rate.
      "iframe_interval" : 10, //  A 0 interval means no iframe is generated. Any positive number is the interval between iframes, with a guaranteed one at the end of the animation (even if interval is smaller than animation duration)
      "optimize" : true, //  Activates keyframes reduction optimization.
      "optimization_settings" : 
      {
        "tolerance" : 0.001, //  The maximum error that an optimization is allowed to generate on a whole joint hierarchy.
        "distance" : 0.1, //  The distance (from the joint) at which error is measured. This allows to emulate effect on skinning.
        //  Per joint optimization setting override
        "override" : 
        [
          {
            "name" : "*", //  Joint name. Wildcard characters '*' and '?' are supported
            "tolerance" : 0.001, //  The maximum error that an optimization is allowed to generate on a whole joint hierarchy.
            "distance" : 0.1 //  The distance (from the joint) at which error is measured. This allows to emulate effect on skinning.
          }
        ]
      },
      //  Tracks to build.
      "tracks" : 
      {
        //  Properties to import.
        "properties" : 
        [
          {
            "filename" : "*.ozz", //  Specifies track output filename(s). Use a '*' character to specify part(s) of the filename that should be replaced by the track (aka "joint_name-property_name") name.
            "joint_name" : "*", //  Name of the joint that contains the property to import. Wildcard characters '*' and '?' are supported.
            "property_name" : "*", //  Name of the property to import. Wildcard characters '*' and '?' are supported.
            "type" : "float1", //  Type of the property, can be float1 to float4, point and vector (aka float3 with scene unit and axis conversion).
            "raw" : false, //  Outputs raw track.
            "optimize" : true, //  Activates keyframes optimization.
            "optimization_tolerance" : 0.001 //  Optimization tolerance
          }
        ],
        //  Root motion track extraction.
        "motion" : 
        {
          "enable" : false, //  Extracts root motion from the animation and writes tracks (position, rotation) to a file.
          "filename" : "*_motion_track.ozz", //  Specifies motion tracks output filename(s). Use a '*' character to specify part(s) of the filename that should be replaced by the clip name.
          "joint_name" : "", //  Name of the joint containing the motion to extract. Leave empty to select joint 0 (aka the first root).
          //  Root motion position settings.
          "position" : 
          {
            "components" : "xz", //  Components to import, can be any composition of x, y and z.
            "reference" : "skeleton", //  Root motion extraction reference pose, can be absolute, skeleton or animation.
            "bake" : true, //  Bake extracted motion into animation.
            "loop" : false, //  Distributes begin - end difference to make animation loopable.
            "raw" : false, //  Outputs raw track.
            "optimize" : true, //  Activates keyframes optimization.
            "optimization_tolerance" : 0.001 //  Optimization tolerance for the optimized track
          },
          //  Root motion rotation settings.
          "rotation" : 
          {
            "components" : "y", //  Components to import, can be any composition of x, y and z.
            "reference" : "skeleton", //  Root motion extraction reference pose, can be absolute, skeleton or animation.
            "bake" : true, //  Bake extracted motion into animation.
            "loop" : false, //  Distributes begin - end difference to make animation loopable.
            "raw" : false, //  Outputs raw track.
            "optimize" : true, //  Activates keyframes optimization.
            "optimization_tolerance" : 0.001 //  Optimization tolerance for the optimized track
          }
        }
      }
    }
  ]
}