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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\Health; |
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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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use function Lambdish\Phunctional\map; |
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use function Lambdish\Phunctional\not; |
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final class Fight |
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{ |
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public static function invoke( |
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Player $player, |
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FighterCollection $opponents, |
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PlayerAction $playerAction, |
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): void { |
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$round = new IntegerValue(1); |
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while ($opponents->count() > 0) { |
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$fighters = new FighterCollection( |
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array_merge([$player], $opponents->getItems()), |
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); |
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$playerAction->section("Round {$round}:"); |
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$playerAction->list(map( |
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static fn(Fighter $fighter) => [$fighter->getName() => "{$fighter->getHealth()} health"], |
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$fighters, |
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)); |
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try { |
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foreach ($fighters->orderByInitiative() as $fighter) { |
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self::action($fighter, $player, $opponents, $playerAction); |
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} |
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} catch (IntegerValueException) { |
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$isDead = static fn(Fighter $fighter): bool => $fighter->getHealth()->isLowerThan(new Health(1)); |
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if ($isDead($player)) { |
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throw PlayerException::death(); |
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} |
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$opponents = $opponents->filter(not($isDead)); |
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} |
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$round->increment(); |
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} |
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} |
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private static function action( |
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Fighter $fighter, |
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Player $player, |
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FighterCollection $opponents, |
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PlayerAction $playerAction, |
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): void { |
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if ($fighter instanceof Player) { |
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$action = self::askForAction($fighter, $playerAction); |
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if ($action instanceof Usable) { |
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$action->use($fighter, $playerAction); |
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return; |
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} |
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} else { |
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$action = $fighter->getTalents()->randomAttack(); // careful with etherum attacks |
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} |
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if ($action instanceof EtherumAttack) { |
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$fighter->getEtherum()->decreaseBy($action::getEtherumCost()); |
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} |
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Clash::invoke( |
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$fighter, |
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self::findOpponent($fighter, $player, $opponents, $playerAction), |
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$action, |
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$playerAction, |
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); |
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} |
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private static function askForAction(Player $player, PlayerAction $playerAction): Attack|Usable |
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{ |
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$action = $playerAction->askForChoice( |
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'Select action', |
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array_merge($player->getTalents()->filterAttacks()->getItems(), ['Go to inventory']), |
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); |
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if ($action === 'Go to inventory') { |
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$action = $playerAction->askForChoice( |
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'Select item to use', |
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array_merge($player->getInventory()->filterUsable()->getItems(), ['Back']), |
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); |
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if ($action === 'Back') { |
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return self::askForAction($player, $playerAction); |
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} |
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} |
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return self::validateAction($action, $player, $playerAction); |
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} |
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private static function validateAction( |
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Attack|Usable $action, |
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Player $player, |
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PlayerAction $playerAction, |
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): Attack|Usable { |
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if ($action instanceof MeleeAttack && $player->getWeapon() === null) { |
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$playerAction->note('This attack requires weapon equipped.'); |
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return self::askForAction($player, $playerAction); |
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} |
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if ($action instanceof EtherumAttack && $player->getEtherum()->isLowerThan($action::getEtherumCost())) { |
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$playerAction->note('You do not posses enough Etherum.'); |
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return self::askForAction($player, $playerAction); |
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} |
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return $action; |
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} |
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private static function findOpponent( |
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Fighter $fighter, |
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Player $player, |
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FighterCollection $opponents, |
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PlayerAction $playerAction, |
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): Fighter { |
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return match (true) { |
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$fighter instanceof Player && $opponents->count() > 1 |
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=> $playerAction->askForChoice('Select opponent to attack', $opponents->getItems()), |
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$fighter instanceof Player => $opponents->first(), |
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default => $player, // @todo: support player parties |
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}; |
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} |
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} |
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Assasz /
aards-gerds
