warriorjs-engine/lib/abilities/Shoot.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 _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 _constantsRelativeDirections2 = _interopRequireDefault(_constantsRelativeDirections);

var _Base2 = require('./Base');

var _Base3 = _interopRequireDefault(_Base2);

var Shoot = (function (_Base) {
  _inherits(Shoot, _Base);

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

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

    this._description = 'Shoot your bow & arrow in given direction (forward by default).';
  }

  _createClass(Shoot, [{
    key: 'perform',
    value: function perform() {
      var direction = arguments.length <= 0 || arguments[0] === undefined ? _constantsRelativeDirections2['default'].forward : arguments[0];

      this.verifyDirection(direction);
      var receiver = this.getUnits(direction, [1, 2, 3]).shift();
      if (receiver) {
        this._unit.say('shoots ' + direction + ' and hits ' + receiver);
        this.damage(receiver, this._unit.getShootPower());
      } else {
        this._unit.say('shoots ' + direction + ' and hits nothing');
      }
    }
  }, {
    key: 'getUnits',
    value: function getUnits(direction, range) {
      var _this = this;

      return range.map(function (offset) {
        return _this.getUnit(direction, offset);
      }).filter(function (unit) {
        return unit;
      });
    }
  }]);

  return Shoot;
})(_Base3['default']);

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