{
	"type" : "object",
	"additionalProperties" : false,
	"$schema" : "http://json-schema.org/draft-04/schema",
	"title" : "VCMI siege screen format",
	"description" : "Format used to define town siege screen in VCMI",
	"required" : [
		"shooter", "towerIconLarge", "towerIconSmall", "imagePrefix", 
		"static", "towers", "walls", "gate", "moat"
	],
	"definitions" :
	{
		"point" : {
			"type" : "object",
			"additionalProperties" : false,
			"required" : [ "x", "y" ],
			"properties" : {
				"x" : { "type" : "number" },
				"y" : { "type" : "number" }
			}
		},
		"tower" : {
			"type" : "object",
			"additionalProperties" : false,
			"required" : [ "battlement", "creature", "tower" ],
			"properties" : {
				"tower" : {
					"description" : "Location of main segment of tower",
					"$ref" : "#/definitions/point"
				},
				"battlement" : {
					"description" : "Location of battlement, part of tower that covers shooter",
					"$ref" : "#/definitions/point"
				},
				"creature" : {
					"description" : "Location of shooter in tower",
					"$ref" : "#/definitions/point"
				}
			}
		}
	},
	"properties" : {
		"shooter" : {
			"type" : "string",
			"description" : "Identifier of creature that will be used as tower shooter"
		},
		"towerIconSmall" : {
			"type" : "string",
			"description" : "Small icon for tower, used in battle queue",
			"format" : "imageFile"
		},
		"towerIconLarge" : {
			"type" : "string",
			"description" : "Large icon for tower, used in battle queue",
			"format" : "imageFile"
		},
		"imagePrefix" : {
			"type" : "string",
			"description" : "Prefix to all images related to siege screen"
		},
		"static" : {
			"type" : "object",
			"additionalProperties" : false,
			"description" : "Static sections of walls",
			"properties" : {
				"background" : {
					"description" : "Very top section of the wall located above hero",
					"$ref" : "#/definitions/point"
				},
				"top" : {
					"description" : "Top section located between destructible sections",
					"$ref" : "#/definitions/point"
				},
				"bottom" : {
					"description" : "Bottom section located between destructible sections",
					"$ref" : "#/definitions/point"
				}
			}
		},
		"towers" : {
			"type" : "object",
			"additionalProperties" : false,
			"description" : "Decription of towers",
			"properties" : {
				"top" :    { "$ref" : "#/definitions/tower", "description" : "Top tower" },
				"keep" :   { "$ref" : "#/definitions/tower", "description" : "Central keep" },
				"bottom" : { "$ref" : "#/definitions/tower", "description" : "Bottom tower" }
			}
		},
		"walls" : {
			"type" : "object",
			"additionalProperties" : false,
			"description" : "Destructible sections of the walls",
			"properties" : {
				"upper" : {
					"description" : "Topmost section located near top tower",
					"$ref" : "#/definitions/point"
				},
				"upperMid" : {
					"description" : "Second from top section located near gates",
					"$ref" : "#/definitions/point"
				},
				"bottomMid" : {
					"description" : "Second from bottom section located near gates",
					"$ref" : "#/definitions/point"
				},
				"bottom" : {
					"description" : "Bottommost section located near bottom tower",
					"$ref" : "#/definitions/point"
				}
			}
		},
		"gate" : {
			"type" : "object",
			"additionalProperties" : false,
			"description" : "Town gates",
			"properties" : {
				"arch" : {
					"description" : "Static, top part of gates",
					"$ref" : "#/definitions/point"
				},
				"gate" : {
					"description" : "Main section of gates",
					"$ref" : "#/definitions/point"
				}
			}
		},
		"moat" : {
			"type" : "object",
			"additionalProperties" : false,
			"description" : "Castle moat description",
			"properties" : {
				"bank" : {
					"description" : "Small section with bank of the moat",
					"$ref" : "#/definitions/point"
				},
				"moat" : {
					"description" : "Main section of the moat",
					"$ref" : "#/definitions/point"
				}
			}
		}
	}
}