/**
* Add myself to the list of guests to be seated.
*/
private function addMeAsKnight()
{
$me = new Knight("Me");
foreach ($this->knights as $knight) {
/** @var Knight $knight */
$me->setHappiness($knight->getName(), 0);
}
$this->guestList[] = "Me";
$this->knights["Me"] = $me;
}
/**
* Determine the total happiness change by two knights sitting next to each other.
*
* @param Knight $knight1
* @param Knight $knight2
*
* @return int
*/
private function calculateHappinessChange($knight1, $knight2)
{
$knight1Happiness = $knight1->getHappiness($knight2);
$knight2Happiness = $knight2->getHappiness($knight1);
return $knight1Happiness + $knight2Happiness;
}
