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

The bowels of WarriorJS

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});

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 _get = function get(_x2, _x3, _x4) { var _again = true; _function: while (_again) { var object = _x2, property = _x3, receiver = _x4; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x2 = parent; _x3 = property; _x4 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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 _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 _constantsRelativeDirections = require('../../constants/relativeDirections');

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

var _Action3 = _interopRequireDefault(_Action2);

var DEFAULT_DIRECTION = _constantsRelativeDirections.RELATIVE_DIRECTIONS.forward;

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

  function Walk() {
    _classCallCheck(this, Walk);

    _get(Object.getPrototypeOf(Walk.prototype), 'constructor', this).apply(this, arguments);

    this._description = 'Move in the given direction (' + DEFAULT_DIRECTION + ' by default).';
  }

  _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;
module.exports = exports['default'];