{
    "title": "XR Fragments",
    "type": "object",
"$version": 3,
    "flatten": true,
    "$defs": {

      "xrf":{
        "title": "XR Fragments",
        "description": "XR Fragments (level2) promotes embedding clickable hyperlinks\nin 3D files (via the href attribute).\nMake sure to check 'custom attributes' in your export dialog.",
        "url": "https://xrfragment.org/#How%20it%20works",            
        "properties":{
          "_xrf-type": { "title": "type", "type": "string", "default":"xrf", "description": "needed for blender UI"},
          "href":{
            "type":"object.name",
            "description": "teleport to / href"
            }           
          }
        },   

      "three": {
        "oneOf":[
          {"$ref": "#/$defs/three_material"},
          {"$ref": "#/$defs/three_object"}
          ]
        }, 

      "aframe": {
        "oneOf":[
          {"$ref": "#/$defs/three_material"},
          {"$ref": "#/$defs/three_object"}    
          ]
        }, 

      "three_material":{
        "title": "Material",
        "description": "Material is THREE's abstract base material class",
        "url": "https://threejs.org/docs/?q=material#Material",            
        "properties":{
          "_three-type": { "title": "type", "type": "string", "default":"material", "description": "needed for blender UI"},
          "-three-material.blending":{
            "type":"string", 
            "enum": ["THREE.NormalBlending", "THREE.NoBlending", "THREE.AdditiveBlending", "THREE.SubtractiveBlending", "THREE.MultiplyBlending" ] 
            },
          "-three-material.sides":{
            "type":"string",
            "description": "culling: which sides to render (less increases fps)",
            "enum": ["THREE.FrontSide","THREE.BackSide","THREE.DoubleSide"]
            },
          "-three-material.map.offset.x+":{
            "type":"number",
            "description": "texture scrolling speed",
            "default": 0.005,
            "minimum": 0.000001,
            "maximum": 1
            },
          "-three-material.map.offset.yx+":{
            "type":"number",
            "description": "texture scrolling speed",
            "default": 0.005,
            "minimum": 0.000001,
            "maximum": 1
            }                    
          }
        },

      "three_object":{
          "title": "Object3D",
          "description": "Object3D is THREE's abstract base entity class",
          "url": "https://threejs.org/docs/?q=Object3D#Object3D",
          "properties":{
            "_three-type": { "title": "type", "type": "string", "default":"object3D", "description": "needed for blender UI"},
            "-three-renderOrder":{
              "type":"integer", 
              "minimum": 0,
              "maximum": 100 
              }                
            }
          },        

      "janus": {
          "oneOf":[
            {"$ref": "#/$defs/janus_image"},
            {"$ref": "#/$defs/janus_video"},
            {"$ref": "#/$defs/janus_link"}
            ]
          },

      "janus_image": {
          "description": "The <image> tag allows displaying images via url, relative file, or data-uri's",
          "url": "https://janusvr.com/docs/build/roomtag/index.html#Link",          
          "title": "<image>",
          "properties": {
            "-janus-tag": {"type":"string", "default":"image"},
            "-janus-id":  {"type":"object.name"},
            "-janus-col": {"$ref": "#/$defs/-janus-col"},
            "-janus-lighting": {"$ref": "#/$defs/-janus-lighting"},
            "-janus-fwd":   {"$ref": "#/$defs/-janus-fwd"},
            "-janus-scale":  {"$ref": "#/$defs/-janus-scale"},
            "-janus-rotation":  {"$ref": "#/$defs/-janus-rotation" },
            "-janus-locked": {"$ref": "#/$defs/-janus-locked"},
            "-janus-draw-layer":   {"$ref": "#/$defs/-janus-draw_layer"},        
            }
          },
      "janus_video": {
          "title": "<video>",
          "description": "The <video> tag allows displaying videos",
          "url": "https://janusvr.com/docs/build/roomtag/index.html#Video",             
          "properties": {
            "-janus-tag": {"type":"string", "default":"video"},
            "-janus-id":  {"type":"object.name"},
            "-janus-thumb_id":  {"$ref": "#/$defs/-janus-thumb_id"},
            "-janus-col": {"$ref": "#/$defs/-janus-col"},
            "-janus-lighting": {"$ref": "#/$defs/-janus-lighting"},
            "-janus-fwd":   {"$ref": "#/$defs/-janus-fwd"},
            "-janus-scale":  {"$ref": "#/$defs/-janus-scale"},
            "-janus-rotation":  {"$ref": "#/$defs/-janus-rotation" },
            "-janus-locked": {"$ref": "#/$defs/-janus-locked"},
            "-janus-draw-layer":   {"$ref": "#/$defs/-janus-draw_layer"}
            "-janus-gain": { "type":"float", "minimum":0, "maximum":1 }
            }
          },
      "janus_link": {
          "title": "<link>",
          "description": "The <link> tag allows creating portals to other scenes",
          "url": "https://janusvr.com/docs/build/roomtag/index.html#Link",              
          "properties": {
            "-janus-tag": {"type":"string", "default":"link"},
            "-janus-url":  {"type":"string", "default": "https://..."},
            "-janus-title": {"type":"string", "default": "my title"},
            "-janus-thumb_id":  {"$ref": "#/$defs/-janus-thumb_id"},
            "-janus-draw_glow": {"type": "boolean", "default": true },
            "-janus-draw_text": {"type": "boolean", "default": true },
            "-janus-auto_load": {"type": "boolean", "default": false },
            "-janus-mirror":    {"type": "boolean", "default": false },
            "-janus-col": {"$ref": "#/$defs/-janus-col"},
            "-janus-lighting": {"$ref": "#/$defs/-janus-lighting"},
            "-janus-fwd":   {"$ref": "#/$defs/-janus-fwd"},
            "-janus-scale":  {"$ref": "#/$defs/-janus-scale"},
            "-janus-rotation":  {"$ref": "#/$defs/-janus-rotation" },
            "-janus-locked": {"$ref": "#/$defs/-janus-locked"},
            "-janus-draw-layer":   {"$ref": "#/$defs/-janus-draw_layer"}
            }
          },
      "janus_object": {
          "title": "<object>",
          "description": "The <object> tag allows displaying 3D files",
          "url": "https://janusvr.com/docs/build/roomtag/index.html#Object",  
          "properties": {
            "-janus-tag": {"type":"string", "default":"object"},
            "-janus-col": {"$ref": "#/$defs/-janus-col"},
            "-janus-fwd":   {"$ref": "#/$defs/-janus-fwd"},
            "-janus-scale":  {"$ref": "#/$defs/-janus-scale"},
            "-janus-rotation":  {"$ref": "#/$defs/-janus-rotation" },
            "-janus-locked": {"$ref": "#/$defs/-janus-locked"},
            "-janus-lighting": {"$ref": "#/$defs/-janus-lighting"},
            "-janus-draw-layer":   {"$ref": "#/$defs/-janus-draw_layer"}
            }
          },       

      "-janus-thumb_id": {"type":"object.name"},
        "-janus-lighting": {"type": "boolean", "default": false },
        "-janus-col":      {"type": "color", "default": "#FFFFFF"},
        "-janus-fwd":      {"type": "string", "default": "0 0 1"},
        "-janus-scale":    {"type": "string", "default": "1 1 1"},
        "-janus-rotation": {"type": "string", "default": "0 0 0"},
        "-janus-locked":   {"type": "boolean", "default": false},
        "-janus-draw_layer":   {"type": "integer", "default": 0, "minimum":0, "maximum": 100},   

        "godot3": {
            "oneOf": [
              { "$ref": "#/$defs/godot3_material" },
              { "$ref": "#/$defs/godot3_spatial" }
              ]
            },

        "godot3_material": {
            "title": "SpatialMaterial",
            "description": "The default Pmaterial for Godot 3.",
            "url": "https://docs.godotengine.org/en/3.0/tutorials/3d/spatial_material.html",            
            "properties": {
              "_godot3-type": { 
                               "title": "type", 
                               "type": "string", 
                               "default": "SpatialMaterial"
                               },
              "-godot3-params_blend_mode": {
                "type": "string",
                "description": "mat.params_blend_mode = SpatialMaterial.BLEND_MODE_MIX",
                "enum": [
                  "SpatialMaterial.BLEND_MODE_MIX", 
                  "SpatialMaterial.BLEND_MODE_ADD", 
                  "SpatialMaterial.BLEND_MODE_SUB", 
                  "SpatialMaterial.BLEND_MODE_MUL"
                  ]
                },
              "-godot3-params_cull_mode": {
                "type": "string",
                "description": "mat.params_cull_mode = SpatialMaterial.CULL_BACK",
                "enum": [
                  "SpatialMaterial.CULL_BACK", 
                  "SpatialMaterial.CULL_FRONT", 
                  "SpatialMaterial.CULL_DISABLED"
                  ]
                },
              "-godot3-uv1_offset.x+": {
                "type": "number",
                "description": "mat.uv1_offset.x += speed * delta",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                },
              "-godot3-uv1_offset.y+": {
                "type": "number",
                "description": "mat.uv1_offset.y += speed * delta",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                }
              }
            },

        "godot3_spatial": {
            "title": "Object",
            "properties": {
              "_godot3-type": { 
                               "title": "type", 
                               "type": "string", 
                               "default": "Object"
                               },
              "-godot3-render_priority": {
                "type": "integer",
                "description": "mat.render_priority = value",
                "minimum": -128,
                "maximum": 127
                }
              }
            },

        "godot4": {
            "oneOf": [ { "$ref": "#/$defs/godot4_material" },  { "$ref": "#/$defs/godot4_node3d" } ]
            },
        "godot4_material": {
            "title": "StandardMaterial3D",
            "description": "The default PBR material for Godot 4.",
            "url": "https://docs.godotengine.org/en/stable/classes/class_standardmaterial3d.html",
            "properties": {
              "_godot4-type": {
                "title": "type",
                "type": "string",
                "default": "StandardMaterial3D"
                },
              "-gotod4-blend_mode": {
                "type": "string",
                "description": "mat.blend_mode = BaseMaterial3D.BLEND_MODE_MIX",
                "enum": [
                  "BaseMaterial3D.BLEND_MODE_MIX",
                  "BaseMaterial3D.BLEND_MODE_ADD",
                  "BaseMaterial3D.BLEND_MODE_SUB",
                  "BaseMaterial3D.BLEND_MODE_MUL"
                  ]
                },
              "-gotod4-cull_mode": {
                "type": "string",
                "description": "mat.cull_mode = BaseMaterial3D.CULL_BACK",
                "enum": [
                  "BaseMaterial3D.CULL_BACK",
                  "BaseMaterial3D.CULL_FRONT",
                  "BaseMaterial3D.CULL_DISABLED"
                  ]
                },
              "-gotod4-uv1_offset.x+": {
                "type": "number",
                "description": "mat.uv1_offset.x += speed * delta",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                },
              "-gotod4-uv1_offset.y+": {
                "type": "number",
                "description": "mat.uv1_offset.y += speed * delta",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                }
              }
            },
        "godot4_node3d": {
            "title": "Node3D",
            "properties": {
              "_godot4-type": {
                "title": "type",
                "type": "string",
                "default": "Node3D"
                },
              "-godot4-render_priority": {
                "type": "integer",
                "description": "mat.render_priority = value",
                "minimum": -128,
                "maximum": 127
                }
              }
            }, 

        "playcanvas": {
            "oneOf": [
              {
                "$ref": "#/$defs/playcanvas_material"
                },
              {
                "$ref": "#/$defs/playcanvas_entity"
                }
              ]
            },
        "playcanvas_material": {
            "title": "StandardMaterial",
            "properties": {
              "_playcanvas-type": {
                "title": "type",
                "type": "string",
                "default": "material",
                "description": "var mat = new pc.StandardMaterial()"
                },
              "-playcanvas-material.blendType": {
                "type": "string",
                "description": "mat.blendType = pc.BLEND_NORMAL",
                "enum": [
                  "pc.BLEND_NORMAL",
                  "pc.BLEND_NONE",
                  "pc.BLEND_ADDITIVE",
                  "pc.BLEND_SUBTRACTIVE",
                  "pc.BLEND_MULTIPLICATIVE"
                  ]
                },
              "-playcanvas-material.cull": {
                "type": "string",
                "description": "mat.cull = pc.CULL_BACK",
                "enum": [
                  "pc.CULL_BACK",
                  "pc.CULL_FRONT",
                  "pc.CULL_NONE"
                  ]
                },
              "-playcanvas-material.diffuseMapOffset.x": {
                "type": "number",
                "description": "mat.diffuseMapOffset.x += speed * dt",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                },
              "-playcanvas-material.diffuseMapOffset.y": {
                "type": "number",
                "description": "mat.diffuseMapOffset.y += speed * dt",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                }
              }
            },

        "playcanvas_entity": {
            "title": "Entity",
            "properties": {
              "_playcanvas-type": {
                "title": "type",
                "type": "string",
                "default": "entity"
                },
              "-playcanvas-renderOrder": {
                "type": "integer",
                "description": "entity.render.layers = [layerID] // Custom sorting via layers or drawOrder",
                "minimum": 0,
                "maximum": 100
                }
              }
            },      

        "babylon": {
            "oneOf": [
              {
                "$ref": "#/$defs/babylon_material"
                },
              {
                "$ref": "#/$defs/babylon_node"
                }
              ]
            },
        "babylon_material": {
            "title": "StandardMaterial",
            "properties": {
              "_babylon-type": {
                "title": "type",
                "type": "string",
                "default": "StandardMaterial"
                },
              "-babylon-material.alphaMode": {
                "type": "string",
                "description": "mat.alphaMode = BABYLON.Engine.ALPHA_COMBINE",
                "enum": [
                  "BABYLON.Engine.ALPHA_COMBINE",
                  "BABYLON.Engine.ALPHA_DISABLE",
                  "BABYLON.Engine.ALPHA_ADD",
                  "BABYLON.Engine.ALPHA_SUBTRACT",
                  "BABYLON.Engine.ALPHA_MULTIPLY"
                  ]
                },
              "-babylon-material.sideOrientation": {
                "type": "string",
                "description": "mat.backFaceCulling = true // or mat.sideOrientation",
                "enum": [
                  "BABYLON.Material.ClockWiseSideOrientation",
                  "BABYLON.Material.CounterClockWiseSideOrientation",
                  "BABYLON.Material.TwoSidedLighting"
                  ]
                },
              "-babylon-material.diffuseTexture.uOffset": {
                "type": "number",
                "description": "mat.diffuseTexture.uOffset += speed * scene.getAnimationRatio()",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                },
              "-babylon-material.diffuseTexture.vOffset": {
                "type": "number",
                "description": "mat.diffuseTexture.vOffset += speed * scene.getAnimationRatio()",
                "default": 0.005,
                "minimum": 0.000001,
                "maximum": 1
                }
              }
            },
        "babylon_node": {
            "title": "AbstractMesh",
            "properties": {
              "_babylon-type": {
                "title": "type",
                "type": "string",
                "default": "mesh",
                "description": "var mesh = new BABYLON.Mesh('mesh', scene)"
                },
              "-babylon-renderingGroupId": {
                "type": "integer",
                "description": "mesh.renderingGroupId = value // 0 to 3 by default",
                "minimum": 0,
                "maximum": 100
                }
              }
            }            


        },
        "properties": {
            "engine": {
              "type": "enum",
              "enum": [
                ("NONE", "-- Select --", ""), 
                ("XRF", "generic: hyperlinking", ""), 
                ("JANUSXR", "JanusXR", ""), 
                ("THREEJS", "Three.js", ""),
                ("GODOT3", "Godot 3", ""),
                ("GODOT4", "Godot 4", ""),
                ("AFRAME", "AFRAME", ""),
                ("BABYLON", "Babylon.js", ""),
                ("PLAYCANVAS", "PlayCanvas", "")
                ],
              "default": "NONE"
              },
            "engine_settings": {
              "oneOf": [
                {"engine_val": "XRF", "$ref": "#/$defs/xrf", "title": "XR Fragment"},
                {"engine_val": "JANUSXR", "$ref": "#/$defs/janus", "title": "JanusXR"},
                {"engine_val": "THREEJS", "$ref": "#/$defs/three", "title": "THREE.js"},
                {"engine_val": "GODOT3", "$ref": "#/$defs/godot3", "title": "Godot3 (beta)"},
                {"engine_val": "GODOT4", "$ref": "#/$defs/godot4", "title": "Godot4 (beta)"},
                {"engine_val": "AFRAME", "$ref": "#/$defs/aframe", "title": "AFRAME (beta)"},
                {"engine_val": "BABYLON", "$ref": "#/$defs/babylon", "title": "Babylon.js (beta)"},
                {"engine_val": "PLAYCANVAS", "$ref": "#/$defs/playcanvas", "title": "PlayCanvas (beta)"},
                ]
              }
            }
}