{
	"type":"object",
	"$schema": "http://json-schema.org/draft-04/schema",
	"title" : "VCMI obstacle format",
	"description" : "Format used to define new obstacles in VCMI",
	"required" : [ "animation" ],

	"additionalProperties" : false,
	"properties":{
		"allowedTerrains": {
			"type": "array",
			"description": "Obstacles can be place on specified terrains only",
			"items": { "type" : "string" }
		},
		"specialBattlefields": {
			"type": "array",
			"description": "Obstacles can be placed on specified specified battlefields",
			"items": { "$ref" : "battlefield.json" }
		},
		"width": {
			"type": "number",
			"description": "Width ob obstacle"
		},
		"height": {
			"type": "number",
			"description": "height if obstacle"
		},
		"blockedTiles": {
			"type": "array",
			"description": "Blocked hexes - absolute or relative hex id",
			"items": { "type" : "number" }
		},
		"animation": {
			"type": "string",
			"description": "Image resource"
		},
		"unknown": {
			"type": "number",
			"description": "Unknown field"
		},
		"absolute": {
			"type": "boolean",
			"description": "Should be used absolute or relative coordinates for obstacle. There is possible only one absolute obstacle"
		}
	}
}