Battlefield Format

    // Human-readable name of the battlefield
    "name" : ""

    // If set to true, obstacles will be taken from "specialBattlefields" property of an obstacle
    // If set to false, obstacles will be taken from "allowedTerrains" instead
    "isSpecial" : false

    // List of bonuses that will affect all battles on this battlefield
    "bonuses" : { BONUS_FORMAT }

    // Background image for this battlefield
    "graphics" : ""

    // List of battle hexes that will be always blocked on this battlefield (e.g. ship to ship battles)
    "impassableHexes" : [ 10, 20, 50 ]