private function createShipFromData(array $shipData)
{
$name = $shipData['name'];
$ship = new NormalShip($name);
$ship->setWeaponPower($shipData['weapon_power']);
$ship->setDefense($shipData['defense']);
return $ship;
}
/**
* Our complex fighting algorithm!
*
* @param NormalShip $ship1
* @param NormalShip $ship2
* @return NormalShip|null if the ships destroyed each other
*/
public function battle(NormalShip $ship1, NormalShip $ship2)
{
$ship1Health = $ship1->getDefense();
$ship2Health = $ship2->getDefense();
while ($ship1Health > 0 && $ship2Health > 0) {
// ship1 attacks ship2
if (!$ship2->doesShipUseEvasiveManeuvering()) {
// they didn't dodge, so remove energy
$ship2Health -= $ship1->getSingleAttackEffectiveness();
}
// ship2 attacks ship1
if (!$ship1->doesShipUseEvasiveManeuvering()) {
// they didn't dodge, so remove energy
$ship1Health -= $ship2->getSingleAttackEffectiveness();
}
}
if ($ship1Health <= 0 && $ship2Health <= 0) {
return null;
}
if ($ship1Health <= 0) {
return $ship2;
}
return $ship1;
}