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<?php |
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declare(strict_types=1); |
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namespace AardsGerds\Game\Fight; |
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use AardsGerds\Game\Build\Attribute\Damage; |
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use AardsGerds\Game\Build\Attribute\Health; |
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use AardsGerds\Game\Build\Attribute\Initiative; |
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use AardsGerds\Game\Inventory\Usable; |
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use AardsGerds\Game\Player\Player; |
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use AardsGerds\Game\Player\PlayerAction; |
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use AardsGerds\Game\Player\PlayerException; |
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use AardsGerds\Game\Shared\IntegerValue; |
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use AardsGerds\Game\Shared\IntegerValueException; |
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final class Fight |
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{ |
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private IntegerValue $round; |
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public function __construct( |
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private Fighter $player, |
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private Fighter $opponent, |
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private PlayerAction $playerAction, |
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) { |
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$this->round = new IntegerValue(1); |
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} |
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public function __invoke(): void |
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{ |
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$playerInitialHealth = new Health($this->player->getHealth()->get()); |
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while (true) { |
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$this->playerAction->newRound("Round {$this->round}:"); |
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$attackOrder = AttackOrder::resolve($this->player, $this->opponent); // todo refactor |
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try { |
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$this->action($attackOrder->first(), $attackOrder->last()); |
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if ($this->isAbleForExtraAction($attackOrder->first(), $attackOrder->last())) { |
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$this->action($attackOrder->first(), $attackOrder->last()); |
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} |
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$this->action($attackOrder->last(), $attackOrder->first()); |
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} catch (IntegerValueException $exception) { |
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if ($this->player->getHealth()->isLowerThan(new Health(1))) { |
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throw PlayerException::death(); |
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} |
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break; |
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} |
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$this->playerAction->tell([ |
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'', |
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"{$this->player->getName()} health: {$this->player->getHealth()}", |
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"{$this->opponent->getName()} health: {$this->opponent->getHealth()}", |
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]); |
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$this->round->increment(); |
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} |
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$this->playerAction->askForConfirmation('Continue?'); |
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$this->player->getHealth()->replaceWith($playerInitialHealth); |
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} |
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/** |
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* @throws IntegerValueException if target's health hits 0 |
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*/ |
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private function action(Fighter $attacker, Fighter $target): void |
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{ |
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if ($attacker instanceof Player) { |
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$action = $this->askForAction($attacker); |
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if ($action instanceof Usable) { |
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$action->use($attacker, $this->playerAction); |
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return; |
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} |
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} else { |
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$action = $attacker->getTalents()->filterAttacks()->getIterator()->current(); // todo |
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} |
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$damage = match (true) { |
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$action instanceof MeleeAttack => (new Damage( |
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$action->getDamage($attacker->getWeapon() ?? throw FightException::weaponRequired())->get() |
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))->increaseBy($attacker->getStrength()), |
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$action instanceof EtherumAttack => $action->getDamage(), |
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default => new Damage(0), |
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}; |
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try { |
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$target->getHealth()->decreaseBy($damage); |
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} catch (IntegerValueException $exception) { |
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$this->playerAction->tell("{$attacker->getName()} uses {$action} and deals {$damage} damage, which brings opponent to their knees!"); |
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throw $exception; |
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} |
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$this->playerAction->tell("{$attacker->getName()} uses {$action} and deals {$damage} damage."); |
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} |
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private function askForAction(Player $player): Attack|Usable |
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{ |
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$action = $this->playerAction->askForChoice( |
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'Select action', |
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array_merge($player->getTalents()->filterAttacks()->getItems(), ['Go to inventory']), |
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); |
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if ($action === 'Go to inventory') { |
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$selectedItem = $this->playerAction->askForChoice( |
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'Select item to use', |
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array_merge($player->getInventory()->filterUsable()->getItems(), ['Back']), |
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); |
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if ($selectedItem === 'Back') { |
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return $this->askForAction($player); |
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} |
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return $selectedItem; |
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} |
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if ($action instanceof MeleeAttack && $player->getWeapon() === null) { |
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$this->playerAction->note('This attack requires weapon equipped.'); |
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return $this->askForAction($player); |
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} |
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return $action; |
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} |
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private function isAbleForExtraAction(Fighter $attacker, Fighter $target): bool |
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{ |
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return (new Initiative((int) $attacker->getInitiative()->get() / 2)) |
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->isGreaterThan($target->getInitiative()); |
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} |
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} |
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Assasz /
aards-gerds
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