{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:animsmith:schema:material-texture-recipe:1",
  "title": "animsmith material texture recipe v1",
  "description": "Declarative material texture recipe accepted by animsmith convert.",
  "type": "object",
  "required": ["schema_version", "schema", "max_dimension", "materials"],
  "properties": {
    "schema_version": { "const": 1 },
    "schema": { "const": "urn:animsmith:schema:material-texture-recipe:1" },
    "texture_root": { "type": "string", "minLength": 1 },
    "max_dimension": { "type": "integer", "minimum": 1, "maximum": 4096 },
    "materials": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/$defs/material" }
    }
  },
  "additionalProperties": false,
  "$defs": {
    "material": {
      "type": "object",
      "required": ["name", "base_color", "normal"],
      "properties": {
        "name": { "type": "string", "minLength": 1 },
        "base_color": { "type": "string", "minLength": 1 },
        "normal": { "type": "string", "minLength": 1 },
        "metallic_roughness": { "type": "string", "minLength": 1 },
        "occlusion": { "type": "string", "minLength": 1 }
      },
      "additionalProperties": false
    }
  }
}