// getExitFromDirection.js

(function () {
  /*global adventurejs A*/

  var p = adventurejs.Game.prototype;

  /**
   * Does current room have an exit in that direction?
   * If not use global exit.
   * Always applies to currentRoom.
   * If no exit found, returns false.
   * @method adventurejs.Game#getExitFromDirection
   * @memberOf adventurejs.Game
   * @param {String} direction
   * @returns {Object} An exit.
   */
  p.getExitFromDirection = function Game_getExitFromDirection(direction) {
    var exit = false;
    if (
      "undefined" !==
      typeof this.game.world[this.game.world._currentRoom + "_" + direction]
    ) {
      exit = this.game.world[this.game.world._currentRoom + "_" + direction];
    } else if ("undefined" !== typeof this.game.world["global_" + direction]) {
      exit = this.game.world["global_" + direction];
    }
    return exit;
  };
})();