/**
* @return integer
*/
public function getCrystal()
{
return $this->_resources->getCrystal();
}
/**
* @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;
}
