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<?php |
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declare(strict_types=1); |
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namespace HeroesofAbenez\Combat; |
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use Nexendrie\Utils\Collection; |
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use Nexendrie\Utils\Numbers; |
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/** |
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* Structure for a team in combat |
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* |
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* @author Jakub Konečný |
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* @property-read Character[] $aliveMembers |
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* @property-read Character[] $usableMembers |
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* @property int $maxRowSize |
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* @property-read int|null $rowToAttack |
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*/ |
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final class Team extends Collection |
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{ |
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use \Nette\SmartObject; |
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private const LOWEST_HP_THRESHOLD = 0.5; |
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protected string $class = Character::class; |
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private int $maxRowSize = 5; |
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public function __construct(public readonly string $name) |
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{ |
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parent::__construct(); |
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} |
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protected function getMaxRowSize(): int |
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{ |
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return $this->maxRowSize; |
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} |
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protected function setMaxRowSize(int $maxRowSize): void |
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{ |
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$this->maxRowSize = Numbers::range($maxRowSize, 1, PHP_INT_MAX); |
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} |
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/** |
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* Get alive members from the team |
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* |
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* @return Character[] |
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*/ |
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protected function getAliveMembers(): array |
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{ |
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return $this->getItems(["hitpoints>" => 0,]); |
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} |
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/** |
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* Get members which can perform an action |
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* |
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* @return Character[] |
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*/ |
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protected function getUsableMembers(): array |
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{ |
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return $this->getItems(["canAct()" => true]); |
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} |
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/** |
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* Check whether the team has at least 1 alive member |
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*/ |
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public function hasAliveMembers(): bool |
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{ |
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return count($this->getAliveMembers()) > 0; |
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} |
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/** |
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* Set character's position in team |
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* |
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* @param string|int $id |
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* @throws \OutOfBoundsException |
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* @throws InvalidCharacterPositionException |
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*/ |
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public function setCharacterPosition($id, int $row, int $column): void |
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{ |
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if (!$this->hasItems(["id" => $id])) { |
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throw new \OutOfBoundsException("Character $id is not in the team"); |
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} elseif (count($this->getItems(["positionRow" => $row])) >= $this->maxRowSize) { |
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throw new InvalidCharacterPositionException( |
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"Row $row is full.", |
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InvalidCharacterPositionException::ROW_FULL |
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); |
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} elseif ($this->hasItems(["positionRow" => $row, "positionColumn" => $column])) { |
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throw new InvalidCharacterPositionException( |
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"Row $row column $column is occupied.", |
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InvalidCharacterPositionException::POSITION_OCCUPIED |
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); |
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} |
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$character = $this->getItems(["id" => $id])[0]; |
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$character->positionRow = $row; |
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$character->positionColumn = $column; |
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} |
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public function getRandomCharacter(): ?Character |
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{ |
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$characters = $this->aliveMembers; |
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if (count($characters) === 0) { |
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return null; |
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} elseif (count($characters) === 1) { |
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return $characters[0]; |
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} |
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$roll = rand(0, count($characters) - 1); |
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return $characters[$roll]; |
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} |
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public function getLowestHpCharacter(float $threshold = self::LOWEST_HP_THRESHOLD): ?Character |
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{ |
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$lowestHp = PHP_INT_MAX; |
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$lowestIndex = PHP_INT_MIN; |
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if (count($this->aliveMembers) === 0) { |
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return null; |
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} |
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foreach ($this->aliveMembers as $index => $member) { |
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if ($member->hitpoints <= $member->maxHitpoints * $threshold && $member->hitpoints < $lowestHp) { |
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$lowestHp = $member->hitpoints; |
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$lowestIndex = $index; |
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} |
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} |
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if ($lowestIndex === PHP_INT_MIN) { |
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return null; |
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} |
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return $this->aliveMembers[$lowestIndex]; |
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} |
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protected function getRowToAttack(): ?int |
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{ |
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for ($i = 1; $i <= $this->maxRowSize; $i++) { |
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if ($this->hasItems(["positionRow" => $i, "hitpoints>" => 0,])) { |
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return $i; |
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} |
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} |
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return null; |
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} |
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} |
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heroesofabenez /
combat
