/**
* Our complex fighting algorithm!
*
* @return BattleResult
*/
public function battle(Ship $ship1, $ship1Quantity, Ship $ship2, $ship2Quantity)
{
$ship1Health = $ship1->getStrength() * $ship1Quantity;
$ship2Health = $ship2->getStrength() * $ship2Quantity;
$ship1UsedJediPowers = false;
$ship2UsedJediPowers = false;
while ($ship1Health > 0 && $ship2Health > 0) {
// first, see if we have a rare Jedi hero event!
if ($this->didJediDestroyShipUsingTheForce($ship1)) {
$ship2Health = 0;
$ship1UsedJediPowers = true;
break;
}
if ($this->didJediDestroyShipUsingTheForce($ship2)) {
$ship1Health = 0;
$ship2UsedJediPowers = true;
break;
}
// now battle them normally
$ship1Health = $ship1Health - $ship2->getWeaponPower() * $ship2Quantity;
$ship2Health = $ship2Health - $ship1->getWeaponPower() * $ship1Quantity;
}
$ship1->setStrength($ship1Health);
$ship2->setStrength($ship2Health);
if ($ship1Health <= 0 && $ship2Health <= 0) {
// they destroyed each other
$winningShip = null;
$losingShip = null;
$usedJediPowers = $ship1UsedJediPowers || $ship2UsedJediPowers;
} elseif ($ship1Health <= 0) {
$winningShip = $ship2;
$losingShip = $ship1;
$usedJediPowers = $ship2UsedJediPowers;
} else {
$winningShip = $ship1;
$losingShip = $ship2;
$usedJediPowers = $ship1UsedJediPowers;
}
return new BattleResult($usedJediPowers, $winningShip, $losingShip);
}
