/** * @return integer */ public function getMetal() { return $this->_resources->getMetal(); }
/** * @param Resources $resources * @return Resources */ public function add(Resources $resources) { $this->metal += $resources->getMetal(); $this->crystal += $resources->getCrystal(); $this->deuterium += $resources->getDeuterium(); $this->energy += $resources->getEnergy(); return $this; }