/**
* Returns a map CitizenUniqueIdentifier => Citizen
* @return array
*/
protected function getCitizens()
{
$citizens = [];
foreach ($this->population->getAllCitizenUniqueIdentifiers() as $identifier) {
$citizens[$identifier] = $this->population->getCitizenByUniqueIdentifier($identifier);
}
return $citizens;
}
/**
* Get the top performers for this iteration.
* If you dont specify how many you want, it will return the same number
* as defined in the citizensCountToReplacePerGeneration.
*
* @param int|null $howMany
*
* @return Citizen[]|array
*/
protected function getTopPerformers($howMany = null)
{
$topPerformers = [];
if ($howMany === null) {
$howMany = $this->citizensCountToReplacePerGeneration;
}
$topPerformerIdentifiers = $this->scoreManager->getTopPerformersUniqueIdentifiers($howMany);
foreach ($topPerformerIdentifiers as $identifier) {
$topPerformers[] = $this->population->getCitizenByUniqueIdentifier($identifier);
}
return $topPerformers;
}
