{ "$schema":                         "https://json-schema.org/draft/2020-12/schema",
  "$id":                              "https://schemas.mpai.community/XRV1/V1.0/data/VEPerformanceStatus.json",
  "title":                            "VE Performance Status V1.0",
  "description":                      "Status report for Virtual Environment (VE) performance: scene, individual/collective statuses, objects, and cameras.",
  "type":                             "object",
  "additionalProperties":             false,
  "required":                         [ "Header", "VEPerformanceStatusID", "VEPerformanceStatusData" ],
  "properties":                       {

    "Header":                         { "type": "string", "const": "XRV-VFS-V1.0", "maxLength": 16 },
    "UEnvironmentID":                 { "type": "string" },
    "VEPerformanceStatusID":          { "type": "string" },
    "VEPerformanceStatusTime":        { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/Time.json" },
    "AVSceneDescriptors":             { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/AudioVisualSceneDescriptors.json" },

    "VEPerformanceStatusData":        { "type": "object", "additionalProperties": false, "required": [ "IndividualStatuses", "CollectiveStatuses", "Objects" ], "properties": {

        "IndividualStatuses":         { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "VEPerformerID" ], "properties": {

            "VEPerformerID":          { "type": "string" },
            "SpatialAttitude":        { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpatialAttitude.json" },

            "AvatarOrAvatarID":       { "type": "array", "items": { "oneOf": [
                                      { "$ref": "https://schemas.mpai.community/PAF/V1.6/data/Avatar.json" },
                                      { "type": "string" } ] }, "description": "Array of Avatars (object) or Avatar IDs (string)." },

            "AudioBehaviour":         { "$ref": "https://schemas.mpai.community/XRV1/V1.0/data/AudioBehaviour.json" },
            "VisualBehaviour":        { "$ref": "https://schemas.mpai.community/XRV1/V1.0/data/VisualBehaviour.json" },
            "PersonalStatus":         { "$ref": "https://schemas.mpai.community/MMC/V2.5/data/PersonalStatus.json" },

            "Brainwavefreq":          { "type": "object", "additionalProperties": false, "properties": {
              "alpha":                { "type": "number" },
                "theta":              { "type": "number" },
                "delta":              { "type": "number" },
              "beta":                 { "type": "number" },
              "gamma":                { "type": "number" } } },

            "BiometricData":          { "$ref": "https://schemas.mpai.community/AIH1/V1.0/data/BiometricData.json" } } } },

        "CollectiveStatuses":         { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "GroupID" ], "properties": {

            "GroupID":                { "type": "string" },
            "CentroidPosition":       { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/Position.json" },
            "PrincipalAxes":          { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/Orientation.json" },

            "PrincipalAxisVariances": { "type": "array", "items": { "type": "number" }, "minItems": 3, "maxItems": 3, "description": "Variances along principal axes [V1, V2, V3]." },
            "PerformerPercentage":    { "type": "number", "minimum": 0, "maximum": 100 },

            "Brainwavefreq":          { "type": "object", "additionalProperties": false, "properties": {
              "alpha":                { "type": "number" },
              "theta":                { "type": "number" },
              "delta":                { "type": "number" },
              "beta":                 { "type": "number" },
              "gamma":                { "type": "number" } } },

            "AudioBehaviour":         { "$ref": "https://schemas.mpai.community/XRV1/V1.0/data/AudioBehaviour.json" },
            "VisualBehaviour":        { "$ref": "https://schemas.mpai.community/XRV1/V1.0/data/VisualBehaviour.json" },

            "Performers":             { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "PerformerID" ], "properties": {
              "PerformerID":          { "type": "string" },
              "DistanceFromCentroid": { "type": "number", "minimum": 0 } } } } } } },

        "Objects":                    { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "VEObjectID" ], "properties": {
            "VEObjectID":             { "type": "string" },
            "VEObject":               { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/3DModelObject.json" },
            "SpatialAttitude":        { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpatialAttitude.json" } } } },

        "VCameraData":                { "type": "array", "items": { "type": "object", "additionalProperties": false, "properties": {
            "VEVisualObject":         { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/3DModelObject.json" },
            "FieldOfView":            { "type": "number", "minimum": 0, "maximum": 180 },
            "VEAudioObject":          { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/3DModelObject.json" },
            "SpatialAttitude":        { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpatialAttitude.json" } } } } } },

    "Dataxmdata":                     { "$ref": "https://schemas.mpai.community/PTF/V1.0/data/DataExchangeMetadata.json" },
    "DescrMetadata":                  { "type": "string", "maxLength": 2048 } } }