{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://blitz3d.com/schemas/world-v1.schema.json",
  "title": "Blitz3D+ World Source",
  "description": "Authoring schema for strict UTF-8 JSON .world version 1 sources. Runtime limits and duplicate-key rejection are additionally enforced by b3dworldc.",
  "type": "object",
  "required": [
    "format",
    "version",
    "assets",
    "entities"
  ],
  "properties": {
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      "const": "blitz3d.world"
    },
    "version": {
      "const": 1
    },
    "id": {
      "$ref": "#/$defs/id"
    },
    "name": {
      "type": "string",
      "maxLength": 16384
    },
    "settings": {
      "$ref": "#/$defs/settings"
    },
    "assets": {
      "type": "array",
      "maxItems": 65536,
      "items": {
        "$ref": "#/$defs/asset"
      }
    },
    "entities": {
      "type": "array",
      "maxItems": 262144,
      "items": {
        "$ref": "#/$defs/entity"
      }
    },
    "metadata": {
      "$ref": "#/$defs/metadata"
    },
    "extensions": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "required": {
            "const": false,
            "default": false
          }
        },
        "additionalProperties": true
      }
    }
  },
  "additionalProperties": true,
  "$defs": {
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      "type": "string",
      "minLength": 1,
      "maxLength": 1024,
      "pattern": "^[^\\u0000-\\u001f\\u007f]+$"
    },
    "finiteNumber": {
      "type": "number"
    },
    "color": {
      "type": "array",
      "minItems": 3,
      "maxItems": 3,
      "items": {
        "type": "integer",
        "minimum": 0,
        "maximum": 255
      }
    },
    "vec2": {
      "type": "array",
      "minItems": 2,
      "maxItems": 2,
      "items": {
        "$ref": "#/$defs/finiteNumber"
      }
    },
    "positiveVec2": {
      "description": "Two finite positive components. Layer uvScale additionally requires equal components because version 1 maps to TerrainLayer's uniform scale.",
      "type": "array",
      "minItems": 2,
      "maxItems": 2,
      "items": {
        "type": "number",
        "exclusiveMinimum": 0
      }
    },
    "vec3": {
      "type": "array",
      "minItems": 3,
      "maxItems": 3,
      "items": {
        "$ref": "#/$defs/finiteNumber"
      }
    },
    "quaternion": {
      "description": "Normalized by the runtime; component order is x,y,z,w.",
      "type": "array",
      "minItems": 4,
      "maxItems": 4,
      "items": {
        "$ref": "#/$defs/finiteNumber"
      }
    },
    "metadata": {
      "type": "object",
      "maxProperties": 4096,
      "additionalProperties": {
        "type": "string"
      }
    },
    "settings": {
      "type": "object",
      "properties": {
        "environment": {
          "type": "string"
        },
        "ambient": {
          "$ref": "#/$defs/color"
        },
        "shadows": {
          "type": "object",
          "properties": {
            "enabled": {
              "type": "boolean",
              "default": false
            },
            "quality": {
              "type": "integer",
              "minimum": 0,
              "maximum": 4,
              "default": 1
            },
            "distance": {
              "$ref": "#/$defs/finiteNumber"
            },
            "color": {
              "$ref": "#/$defs/color"
            },
            "strength": {
              "type": "number",
              "minimum": 0,
              "maximum": 1
            },
            "depthBias": {
              "type": "number",
              "minimum": 0
            },
            "normalBias": {
              "type": "number",
              "minimum": 0
            }
          },
          "additionalProperties": true
        },
        "collisions": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "sourceType",
              "destinationType",
              "method",
              "response"
            ],
            "properties": {
              "sourceType": {
                "type": "integer",
                "minimum": 0,
                "maximum": 999
              },
              "destinationType": {
                "type": "integer",
                "minimum": 0,
                "maximum": 999
              },
              "method": {
                "enum": [
                  "sphere",
                  "polygon",
                  "box"
                ]
              },
              "response": {
                "enum": [
                  "stop",
                  "slide",
                  "slide-xz",
                  "grip"
                ]
              }
            },
            "additionalProperties": true
          }
        },
        "physics": {
          "type": "object",
          "properties": {
            "gravity": {
              "$ref": "#/$defs/vec3"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": true
    },
    "asset": {
      "type": "object",
      "required": [
        "id",
        "kind",
        "loading"
      ],
      "oneOf": [
        {
          "required": [
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          "not": {
            "required": [
              "inline"
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          }
        },
        {
          "required": [
            "inline"
          ],
          "not": {
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              "source"
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          }
        }
      ],
      "allOf": [
        {
          "if": {
            "properties": {
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                "const": "terrain-definition"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "terrain-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "animset"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "animset-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "environment"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "environment-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "sound-definition"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "sound-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "audiomix"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "audiomix-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "postfx"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "postfx-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
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              "kind": {
                "enum": [
                  "model",
                  "texture",
                  "heightmap",
                  "sound",
                  "shader"
                ]
              }
            }
          },
          "then": {
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              "anyOf": [
                {
                  "required": [
                    "inline"
                  ]
                },
                {
                  "required": [
                    "expectedId"
                  ]
                }
              ]
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "material"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "material-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "prefab"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "prefab-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "physics"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "physics-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "particles"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "particles-v1.schema.json"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "shader"
              }
            }
          },
          "then": {
            "properties": {
              "options": {
                "properties": {
                  "configuration": {
                    "const": ""
                  }
                }
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "const": "native-ui"
              }
            }
          },
          "then": {
            "properties": {
              "inline": {
                "$ref": "ui-v1.schema.json"
              }
            }
          }
        }
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "kind": {
          "enum": [
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            "texture",
            "heightmap",
            "sound",
            "shader",
            "material",
            "prefab",
            "physics",
            "particles",
            "environment",
            "postfx",
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            "audiomix",
            "animset",
            "terrain-definition",
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          ]
        },
        "source": {
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          "maxLength": 32767
        },
        "inline": {
          "$ref": "resource-v1.schema.json"
        },
        "expectedId": {
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        },
        "loading": {
          "enum": [
            "required",
            "streaming",
            "manual"
          ]
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        "options": {
          "type": "object",
          "additionalProperties": true
        }
      },
      "additionalProperties": true
    },
    "transform": {
      "type": "object",
      "properties": {
        "position": {
          "$ref": "#/$defs/vec3",
          "default": [
            0,
            0,
            0
          ]
        },
        "rotation": {
          "$ref": "#/$defs/quaternion",
          "default": [
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            0,
            0,
            1
          ]
        },
        "scale": {
          "$ref": "#/$defs/vec3",
          "default": [
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            1,
            1
          ]
        }
      },
      "additionalProperties": true
    },
    "modelComponent": {
      "type": "object",
      "required": [
        "type"
      ],
      "oneOf": [
        {
          "required": [
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          ],
          "not": {
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                "required": [
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                ]
              },
              {
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        {
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              {
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        },
        {
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              {
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            ]
          }
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      ],
      "allOf": [
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              {
                "required": [
                  "asset"
                ]
              },
              {
                "required": [
                  "assetInput"
                ]
              }
            ]
          },
          "then": {
            "properties": {
              "animationSet": {
                "$ref": "#/$defs/id"
              },
              "materials": {
                "items": {
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                      "slot"
                    ],
                    "properties": {
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                      }
                    }
                  },
                  "then": {
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                }
              }
            }
          }
        },
        {
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              "primitive"
            ]
          },
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          "const": "model"
        },
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        },
        "assetInput": {
          "$ref": "#/$defs/id"
        },
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            "sphere",
            "cylinder",
            "cone",
            "quad",
            "infinite-plane",
            "plane"
          ],
          "description": "quad is a finite 2 x 2 surface; infinite-plane is a native CreatePlane(1). plane is a legacy alias for quad."
        },
        "castShadows": {
          "type": "boolean",
          "default": true
        },
        "receiveShadows": {
          "type": "boolean",
          "default": true
        },
        "lods": {
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          "maxItems": 64,
          "items": {
            "type": "object",
            "required": [
              "asset",
              "distance"
            ],
            "properties": {
              "asset": {
                "$ref": "#/$defs/id"
              },
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                "exclusiveMinimum": 0
              }
            },
            "additionalProperties": true
          }
        },
        "lodTransition": {
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          "minimum": 0,
          "default": 0
        },
        "cullRange": {
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          "minimum": 0,
          "default": 0
        },
        "materials": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/materialBinding"
          }
        }
      },
      "additionalProperties": true
    },
    "materialBinding": {
      "description": "Slot 0 applies to the entire model. Positive slots are one-based surfaces in depth-first model/node order. Imported positive slots require a portable import revision. Native validation checks duplicate/overlapping slots, references, current import identity and LOD mapping.",
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        },
        "input": {
          "$ref": "#/$defs/id"
        },
        "modelRevision": {
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          "pattern": "^[0-9a-f]{64}$"
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        }
      },
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          }
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      },
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              "align": {
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            },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "terrainComponent": {
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      "properties": {
        "type": {
          "const": "terrain"
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              "default": 0
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        "dimensions": {
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            },
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      "additionalProperties": true,
      "oneOf": [
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              {
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              },
              {
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              {
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              {
                "required": [
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              },
              {
                "required": [
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                ]
              },
              {
                "required": [
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                ]
              },
              {
                "required": [
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            ]
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        {
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          "not": {
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        }
      ]
    },
    "cameraComponent": {
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "type": {
          "const": "camera"
        },
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              "const": ""
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            {
              "$ref": "#/$defs/id"
            }
          ]
        },
        "projection": {
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          "default": "perspective"
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          "default": 1000
        },
        "zoom": {
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          "default": 1
        },
        "clearColor": {
          "$ref": "#/$defs/color"
        },
        "clearColorEnabled": {
          "type": "boolean",
          "default": true
        },
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      "additionalProperties": true
    },
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      "type": "object",
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      "properties": {
        "type": {
          "const": "light"
        },
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            "point",
            "spot"
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          "default": "directional"
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          "const": "listener"
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        "entityType"
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          "const": "collision"
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      "properties": {
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          "const": "sound-emitter"
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        },
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          "enum": [
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            "on-activate"
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          "maximum": 2147483647
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        "overrides": false
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    },
    "physicsComponent": {
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          "additionalProperties": {
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    "physicsBodyReference": {
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            "ball",
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          "$ref": "#/$defs/physicsBodyReference"
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          }
        },
        "motor": {
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      "additionalProperties": true
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        {
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}