warriorjs-engine/lib/abilities/actions/Walk.js

The bowels of WarriorJS

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _directions = require('../../constants/directions');

var _Action2 = require('./Action');

var _Action3 = _interopRequireDefault(_Action2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var DEFAULT_DIRECTION = _directions.FORWARD;

var Walk = function (_Action) {
  _inherits(Walk, _Action);

  function Walk() {
    var _Object$getPrototypeO;

    var _temp, _this, _ret;

    _classCallCheck(this, Walk);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_Object$getPrototypeO = Object.getPrototypeOf(Walk)).call.apply(_Object$getPrototypeO, [this].concat(args))), _this), _this._description = 'Move in the given direction (' + DEFAULT_DIRECTION + ' by default).', _temp), _possibleConstructorReturn(_this, _ret);
  }

  _createClass(Walk, [{
    key: 'perform',
    value: function perform() {
      var direction = arguments.length <= 0 || arguments[0] === undefined ? DEFAULT_DIRECTION : arguments[0];

      this._verifyDirection(direction);
      if (this._unit.isAlive()) {
        this._unit.say('walks ' + direction);

        if (this._getSpace(direction).isEmpty()) {
          var _unit$position;

          (_unit$position = this._unit.position).move.apply(_unit$position, _toConsumableArray(this._offset(direction)));
        } else {
          this._unit.say('bumps into ' + this._getSpace(direction));
        }
      }
    }
  }]);

  return Walk;
}(_Action3.default);

exports.default = Walk;