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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\Player\Player; |
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use AardsGerds\Game\Player\PlayerAction; |
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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 $opponent, |
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) { |
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$this->round = new IntegerValue(1); |
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} |
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public function __invoke(PlayerAction $playerAction): Fighter |
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{ |
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$playerInitialHealth = new Health($this->player->getHealth()->get()); |
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$opponentInitialHealth = new Health($this->opponent->getHealth()->get()); |
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while (true) { |
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$playerAction->newTour("Round {$this->round}:"); |
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$attackOrder = AttackOrder::resolve($this->player, $this->opponent); |
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try { |
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$this->attack($playerAction, $attackOrder->first(), $attackOrder->last()); |
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if ($this->isAbleForExtraAttack($attackOrder->first(), $attackOrder->last())) { |
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$this->attack($playerAction, $attackOrder->first(), $attackOrder->last()); |
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} |
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$this->attack($playerAction, $attackOrder->last(), $attackOrder->first()); |
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} catch (IntegerValueException $exception) { |
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// someone died |
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break; |
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} |
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$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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$this->round->increment(); |
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} |
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$winner = $this->player->getHealth()->isGreaterThan($this->opponent->getHealth()) |
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? $this->player |
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: $this->opponent; |
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$playerAction->tell("Winner is {$winner->getName()}"); |
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$playerAction->askForConfirmation('Continue?'); |
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$this->player->getHealth()->replaceWith($playerInitialHealth); |
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$this->opponent->getHealth()->replaceWith($opponentInitialHealth); |
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return $winner; |
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} |
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/** |
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* @throws IntegerValueException if target's health drop below 0 |
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*/ |
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private function attack(PlayerAction $playerAction, Fighter $attacker, Fighter $target): void |
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{ |
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/** @var Attack $attack */ |
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$attack = $attacker instanceof Player |
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? $this->askForAction($playerAction, $attacker) |
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: $attacker->getTalents()->filterAttacks()->getIterator()->current(); // todo |
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$damage = match (true) { |
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$attack instanceof MeleeAttack => $attack->getDamage( |
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$attacker->getWeapon() ?? throw FightException::weaponRequired(), |
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), |
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$attack instanceof EtherumAttack => $attack->getDamage(), |
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default => new Damage(0), |
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}; |
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try { |
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$target->getHealth()->decreaseBy($damage); |
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} catch (IntegerValueException $exception) { |
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$playerAction->tell("{$attacker->getName()} uses {$attack} and deals {$damage} damage, which brings opponent to their knees!"); |
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throw $exception; |
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} |
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$playerAction->tell("{$attacker->getName()} uses {$attack} and deals {$damage} damage."); |
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} |
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private function isAbleForExtraAttack(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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private function askForAction(PlayerAction $playerAction, Player $player): Attack |
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{ |
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/** @var Attack $attack */ |
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$attack = $playerAction->askForChoice( |
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'Select action', |
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$player->getTalents()->filterAttacks()->getItems(), |
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); |
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if ($attack instanceof MeleeAttack && $player->getWeapon() === null) { |
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$playerAction->note('This attack requires weapon equipped.'); |
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return $this->askForAction($playerAction, $player); |
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} |
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return $attack; |
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} |
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} |
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Assasz /
aards-gerds
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