{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "LevelData",
  "description": "Schema for Zamny Browser game levels",
  "type": "object",
  "properties": {
    "width": {
      "description": "Width of the level in tiles",
      "type": "integer",
      "minimum": 1
    },
    "height": {
      "description": "Height of the level in tiles",
      "type": "integer",
      "minimum": 1
    },
    "tileSize": {
      "description": "Size of each tile in pixels (e.g. 32)",
      "type": "integer",
      "minimum": 1
    },
    "tiles": {
      "description": "Flat array of tile types (0=walkable, 1=wall, 2=water, 3=door)",
      "type": "array",
      "items": {
        "type": "integer",
        "minimum": 0,
        "maximum": 3
      }
    },
    "spawnPoints": {
      "description": "Locations where players can spawn",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "x": {
            "type": "number"
          },
          "y": {
            "type": "number"
          }
        },
        "required": ["x", "y"]
      }
    },
    "entities": {
      "description": "Entities to spawn in the level (enemies, items, etc.)",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "type": {
            "type": "string"
          },
          "x": {
            "type": "number"
          },
          "y": {
            "type": "number"
          },
          "props": {
            "type": "object",
            "additionalProperties": true
          }
        },
        "required": ["type", "x", "y"]
      }
    }
  },
  "required": ["width", "height", "tileSize", "tiles"]
}