{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:akari-video:schema:world-map:v3",
  "type": "object",
  "additionalProperties": false,
  "required": ["schemaVersion", "kind", "worlds", "zones", "cameraStops", "edges", "retainedNodes"],
  "properties": {
    "schemaVersion": { "const": 3 },
    "kind": { "enum": ["flat", "spatial"] },
    "worlds": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "label"],
        "properties": {
          "id": { "type": "string", "minLength": 1 },
          "label": { "type": "string", "minLength": 1 },
          "palette": {
            "type": "object",
            "additionalProperties": false,
            "required": ["background", "dots", "accent"],
            "properties": {
              "background": { "$ref": "#/$defs/color" },
              "dots": { "$ref": "#/$defs/color" },
              "accent": { "$ref": "#/$defs/color" },
              "haze": { "$ref": "#/$defs/color" }
            }
          },
          "flat": {
            "type": "object",
            "additionalProperties": false,
            "required": ["bounds", "pattern"],
            "properties": {
              "bounds": { "$ref": "#/$defs/vector4" },
              "pattern": { "enum": ["dots", "grid", "none"] },
              "far": {
                "type": "array",
                "items": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": ["z", "color"],
                  "properties": {
                    "z": { "type": "number", "minimum": 0, "maximum": 1 },
                    "color": { "$ref": "#/$defs/color" }
                  }
                }
              }
            }
          },
          "spatial": {
            "type": "object",
            "additionalProperties": false,
            "required": ["c"],
            "properties": {
              "c": { "$ref": "#/$defs/vector3" },
              "floor": {
                "type": "object",
                "additionalProperties": false,
                "required": ["center", "size"],
                "properties": {
                  "center": { "$ref": "#/$defs/vector3" },
                  "size": { "$ref": "#/$defs/vector2" }
                }
              },
              "background": { "type": "array", "items": { "type": "number" } },
              "haze": { "type": "array", "items": { "type": "number" } }
            }
          }
        }
      }
    },
    "zones": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "world", "c"],
        "properties": {
          "id": { "type": "string", "minLength": 1 },
          "label": { "type": "string", "minLength": 1 },
          "world": { "type": "string", "minLength": 1 },
          "c": { "type": "array", "items": { "type": "number" } }
        }
      }
    },
    "cameraStops": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "world", "at", "leave"],
        "properties": {
          "id": { "type": "string", "minLength": 1 },
          "label": { "type": "string", "minLength": 1 },
          "world": { "type": "string", "minLength": 1 },
          "at": { "type": "number" },
          "leave": { "type": "number" },
          "c": { "$ref": "#/$defs/vector3" },
          "eye": { "$ref": "#/$defs/vector3" },
          "target": { "$ref": "#/$defs/vector3" }
        }
      }
    },
    "edges": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "from", "to", "type", "t0", "t1", "transition"],
        "properties": {
          "id": { "type": "string", "minLength": 1 },
          "from": { "type": "string", "minLength": 1 },
          "to": { "type": "string", "minLength": 1 },
          "type": { "enum": ["move", "portal", "cut"] },
          "t0": { "type": "number" },
          "t1": { "type": "number" },
          "switchTime": { "type": "number" },
          "transition": {
            "type": "object",
            "additionalProperties": false,
            "required": ["kind", "cover"],
            "properties": {
              "kind": { "enum": ["none", "dive", "mist", "occluder", "fade", "push"] },
              "cover": { "type": ["number", "null"] }
            }
          },
          "via": { "type": "string", "minLength": 1 },
          "carry": { "type": "array", "items": { "type": "string" } },
          "easing": { "enum": ["ease-in-out", "linear"] }
        }
      }
    },
    "retainedNodes": { "type": "array", "items": { "type": "string" } },
    "inventory": { "type": "array" }
  },
  "allOf": [
    {
      "if": { "properties": { "kind": { "const": "flat" } }, "required": ["kind"] },
      "then": {
        "properties": {
          "worlds": { "items": { "required": ["flat"] } },
          "zones": { "items": { "properties": { "c": { "$ref": "#/$defs/vector2" } } } },
          "cameraStops": { "items": { "required": ["c"] } }
        }
      }
    },
    {
      "if": { "properties": { "kind": { "const": "spatial" } }, "required": ["kind"] },
      "then": {
        "properties": {
          "worlds": { "items": { "required": ["spatial"] } },
          "zones": { "items": { "properties": { "c": { "$ref": "#/$defs/vector3" } } } },
          "cameraStops": { "items": { "required": ["eye", "target"] } }
        }
      }
    }
  ],
  "$defs": {
    "color": { "type": "string", "pattern": "^#[0-9a-fA-F]{6}$" },
    "vector2": { "type": "array", "minItems": 2, "maxItems": 2, "items": { "type": "number" } },
    "vector3": { "type": "array", "minItems": 3, "maxItems": 3, "items": { "type": "number" } },
    "vector4": { "type": "array", "minItems": 4, "maxItems": 4, "items": { "type": "number" } }
  }
}