{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "ContentPack",
  "type": "object",
  "properties": {
    "campaigns": {
      "default": [],
      "type": "array",
      "items": {
        "$ref": "#/definitions/CampaignDef"
      }
    },
    "enemies": {
      "default": [],
      "type": "array",
      "items": {
        "$ref": "#/definitions/EnemyDef"
      }
    },
    "items": {
      "default": [],
      "type": "array",
      "items": {
        "$ref": "#/definitions/ItemDef"
      }
    },
    "missions": {
      "default": [],
      "type": "array",
      "items": {
        "$ref": "#/definitions/MissionDef"
      }
    },
    "music": {
      "default": [],
      "type": "array",
      "items": {
        "$ref": "#/definitions/MusicDef"
      }
    },
    "overrides": {
      "default": [],
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "sounds": {
      "default": [],
      "type": "array",
      "items": {
        "$ref": "#/definitions/SoundDef"
      }
    },
    "weapons": {
      "default": [],
      "type": "array",
      "items": {
        "$ref": "#/definitions/WeaponDef"
      }
    }
  },
  "additionalProperties": false,
  "definitions": {
    "Art": {
      "type": "object",
      "required": [
        "logical_height",
        "logical_width"
      ],
      "properties": {
        "asset": {
          "type": [
            "integer",
            "null"
          ],
          "format": "uint32",
          "minimum": 0.0
        },
        "frames": {
          "default": 1,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "hd_png": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "logical_height": {
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "logical_width": {
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "nearest": {
          "default": false,
          "type": "boolean"
        },
        "png": {
          "type": [
            "string",
            "null"
          ]
        }
      },
      "additionalProperties": false
    },
    "CampaignDef": {
      "type": "object",
      "required": [
        "id",
        "missions",
        "name"
      ],
      "properties": {
        "art": {
          "default": null,
          "anyOf": [
            {
              "$ref": "#/definitions/Art"
            },
            {
              "type": "null"
            }
          ]
        },
        "id": {
          "type": "string"
        },
        "missions": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "name": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "EnemyDef": {
      "type": "object",
      "required": [
        "id",
        "name"
      ],
      "properties": {
        "art": {
          "default": null,
          "anyOf": [
            {
              "$ref": "#/definitions/Art"
            },
            {
              "type": "null"
            }
          ]
        },
        "boss": {
          "default": false,
          "type": "boolean"
        },
        "cooldown": {
          "default": 10,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "drop": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "ground": {
          "default": false,
          "type": "boolean"
        },
        "health": {
          "default": 100,
          "type": "integer",
          "format": "int32"
        },
        "id": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "path": {
          "default": [],
          "type": "array",
          "items": {
            "type": "array",
            "items": {
              "type": "integer",
              "format": "int32"
            },
            "maxItems": 2,
            "minItems": 2
          }
        },
        "repeat": {
          "default": false,
          "type": "boolean"
        },
        "reward": {
          "default": 0,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "script": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "speed": {
          "default": 2,
          "type": "integer",
          "format": "int32"
        },
        "weapon": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        }
      },
      "additionalProperties": false
    },
    "ItemDef": {
      "type": "object",
      "required": [
        "id",
        "name",
        "price"
      ],
      "properties": {
        "art": {
          "default": null,
          "anyOf": [
            {
              "$ref": "#/definitions/Art"
            },
            {
              "type": "null"
            }
          ]
        },
        "consumable": {
          "default": false,
          "type": "boolean"
        },
        "credits": {
          "default": 0,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "description": {
          "description": "Optional shop information, up to 4096 UTF-8 bytes.",
          "default": "",
          "type": "string"
        },
        "id": {
          "type": "string"
        },
        "initial_count": {
          "default": 1,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "legacy": {
          "default": null,
          "type": [
            "integer",
            "null"
          ],
          "format": "uint32",
          "minimum": 0.0
        },
        "max_count": {
          "default": 1,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "name": {
          "type": "string"
        },
        "price": {
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "script": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "shield": {
          "default": 0,
          "type": "integer",
          "format": "int32"
        },
        "special": {
          "default": false,
          "type": "boolean"
        },
        "weapon": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        }
      },
      "additionalProperties": false
    },
    "MissionDef": {
      "type": "object",
      "required": [
        "duration",
        "id",
        "name"
      ],
      "properties": {
        "art": {
          "default": null,
          "anyOf": [
            {
              "$ref": "#/definitions/Art"
            },
            {
              "type": "null"
            }
          ]
        },
        "auto_complete": {
          "default": true,
          "type": "boolean"
        },
        "columns": {
          "default": 0,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "duration": {
          "type": "integer",
          "format": "uint64",
          "minimum": 0.0
        },
        "id": {
          "type": "string"
        },
        "layout": {
          "default": [],
          "type": "array",
          "items": {
            "type": "integer",
            "format": "uint",
            "minimum": 0.0
          }
        },
        "legacy_map": {
          "default": null,
          "type": [
            "integer",
            "null"
          ],
          "format": "uint32",
          "minimum": 0.0
        },
        "music": {
          "default": null,
          "type": [
            "integer",
            "null"
          ],
          "format": "uint32",
          "minimum": 0.0
        },
        "music_track": {
          "description": "Package music registry ID. Mutually exclusive with legacy `music`.",
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "name": {
          "type": "string"
        },
        "next": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "script": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "spawns": {
          "default": [],
          "type": "array",
          "items": {
            "$ref": "#/definitions/SpawnDef"
          }
        },
        "tiles": {
          "default": [],
          "type": "array",
          "items": {
            "$ref": "#/definitions/TileDef"
          }
        }
      },
      "additionalProperties": false
    },
    "MusicDef": {
      "type": "object",
      "required": [
        "file",
        "id",
        "name"
      ],
      "properties": {
        "file": {
          "description": "Package-local checked MUS score, played through original GENMIDI FM.",
          "type": "string"
        },
        "id": {
          "type": "string"
        },
        "looping": {
          "default": true,
          "type": "boolean"
        },
        "name": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "SoundDef": {
      "type": "object",
      "required": [
        "file",
        "id",
        "name"
      ],
      "properties": {
        "file": {
          "type": "string"
        },
        "id": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "pan": {
          "default": 127,
          "type": "integer",
          "format": "int32"
        },
        "pitch": {
          "default": 128,
          "type": "integer",
          "format": "int32"
        },
        "priority": {
          "default": 1,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "volume": {
          "default": 127,
          "type": "integer",
          "format": "int32"
        }
      },
      "additionalProperties": false
    },
    "SpawnDef": {
      "type": "object",
      "required": [
        "enemy",
        "tick",
        "x",
        "y"
      ],
      "properties": {
        "difficulty": {
          "default": 0,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "enemy": {
          "type": "string"
        },
        "tick": {
          "type": "integer",
          "format": "uint64",
          "minimum": 0.0
        },
        "x": {
          "type": "integer",
          "format": "int32"
        },
        "y": {
          "type": "integer",
          "format": "int32"
        }
      },
      "additionalProperties": false
    },
    "Target": {
      "type": "string",
      "enum": [
        "air",
        "ground",
        "all"
      ]
    },
    "TileDef": {
      "type": "object",
      "required": [
        "art"
      ],
      "properties": {
        "art": {
          "$ref": "#/definitions/Art"
        },
        "destroyed": {
          "default": null,
          "anyOf": [
            {
              "$ref": "#/definitions/Art"
            },
            {
              "type": "null"
            }
          ]
        },
        "health": {
          "default": 0,
          "type": "integer",
          "format": "int32"
        },
        "reward": {
          "default": 0,
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        }
      },
      "additionalProperties": false
    },
    "WeaponBehavior": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "straight",
            "homing",
            "beam",
            "spread",
            "bomb",
            "energy_grab"
          ]
        },
        {
          "description": "Fire through on_fire only, without an automatic engine projectile.",
          "type": "string",
          "enum": [
            "scripted"
          ]
        }
      ]
    },
    "WeaponDef": {
      "type": "object",
      "required": [
        "behavior",
        "cooldown",
        "damage",
        "id",
        "name",
        "speed",
        "target"
      ],
      "properties": {
        "art": {
          "default": null,
          "anyOf": [
            {
              "$ref": "#/definitions/Art"
            },
            {
              "type": "null"
            }
          ]
        },
        "behavior": {
          "$ref": "#/definitions/WeaponBehavior"
        },
        "cooldown": {
          "type": "integer",
          "format": "uint32",
          "minimum": 0.0
        },
        "damage": {
          "type": "integer",
          "format": "int32"
        },
        "id": {
          "type": "string"
        },
        "legacy": {
          "default": null,
          "type": [
            "integer",
            "null"
          ],
          "format": "uint32",
          "minimum": 0.0
        },
        "name": {
          "type": "string"
        },
        "offsets": {
          "default": [],
          "type": "array",
          "items": {
            "type": "array",
            "items": {
              "type": "integer",
              "format": "int32"
            },
            "maxItems": 2,
            "minItems": 2
          }
        },
        "script": {
          "default": null,
          "type": [
            "string",
            "null"
          ]
        },
        "speed": {
          "type": "integer",
          "format": "int32"
        },
        "target": {
          "$ref": "#/definitions/Target"
        }
      },
      "additionalProperties": false
    }
  }
}