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<?php |
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declare(strict_types=1); |
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namespace Thunder\Logeek; |
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final class Board |
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{ |
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private $width; |
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private $height; |
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private $fieldTypes = []; |
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private $fields = []; |
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private $actors = []; |
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private $exits = []; |
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private $functions = []; |
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private $variables = []; |
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private $actions = []; |
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private static $moveMap = [ |
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'left' => [0, -1], |
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'right' => [0, 1], |
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'up' => [-1, 0], |
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'down' => [1, 0], |
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]; |
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public function __construct(int $width, int $height) |
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{ |
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$this->width = $width; |
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$this->height = $height; |
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} |
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/* --- METHODS --- */ |
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/** |
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* @param ActionInterface[] $actions |
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*/ |
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public function addActions(array $actions) |
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{ |
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foreach($actions as $action) { |
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$this->addAction($action); |
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} |
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} |
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public function addAction(ActionInterface $action) |
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{ |
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$this->actions[$action->getAlias()] = $action; |
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} |
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public function getAction(string $alias): ActionInterface |
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{ |
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if(!$this->hasAction($alias)) { |
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throw new \RuntimeException(sprintf('Action %s does not exist!', $alias)); |
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} |
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return $this->actions[$alias]; |
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} |
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public function addFieldTypes(array $types) |
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{ |
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foreach($types as $alias => $symbol) { |
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$this->addFieldType($alias, $symbol); |
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} |
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} |
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public function hasAction($alias): bool |
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{ |
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return array_key_exists($alias, $this->actions); |
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} |
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public function addFieldType($alias, $symbol) |
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{ |
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$this->fieldTypes[$alias] = $symbol; |
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} |
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public function loadFromString($string) |
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{ |
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$types = array_flip($this->fieldTypes); |
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$lines = explode("\n", trim($string)); |
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$height = \count($lines); |
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$width = \strlen(trim($lines[0])); |
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for($i = 0; $i < $height; $i++) { |
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$line = trim($lines[$i]); |
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for($j = 0; $j < $width; $j++) { |
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$this->fields[$i][$j] = $types[$line[$j]]; |
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} |
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} |
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} |
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public function addActor($alias, $x, $y, $direction) |
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{ |
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$this->actors[$alias] = [ |
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'x' => $x, |
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'y' => $y, |
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'direction' => $direction, |
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'pick' => null, |
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]; |
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$this->debug('Actor Alias[%s] Direction[%s] Position[%s:%s]', $alias, $direction, $y, $x); |
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} |
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public function addExit($alias, $x, $y) |
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{ |
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$this->exits[$alias] = [ |
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'x' => $y, |
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'y' => $x, |
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]; |
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} |
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public function addFunctions(array $functions) |
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{ |
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foreach($functions as $name => $program) { |
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$this->functions[$name] = $program; |
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} |
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} |
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public function addFunction($name, array $program) |
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{ |
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$this->functions[$name] = $program; |
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} |
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public function isActorAtExit($actor, $exit): bool |
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{ |
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$actor = $this->actors[$actor]; |
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$exit = $this->exits[$exit]; |
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return $actor['x'] === $exit['x'] && $actor['y'] === $exit['y']; |
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} |
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public function runActor($alias) |
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{ |
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$this->runActorProgram($alias, $this->functions['main']); |
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} |
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public function runActorProgram($alias, array $program) |
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{ |
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foreach($program as $operation) { |
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$this->runActorOperation($alias, $operation); |
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} |
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} |
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private function runActorOperation($alias, array $operation) |
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{ |
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$this->getAction($operation['action'])->execute($this, $alias, $operation); |
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} |
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public function getActorNextMove($alias): array |
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{ |
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list($x, $y) = $this->getActorPosition($alias); |
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list($diffX, $diffY) = static::$moveMap[$this->getActorDirection($alias)]; |
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return [$x + $diffX, $y + $diffY]; |
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} |
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public function setVariable($name, $value) |
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{ |
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$this->variables[$name] = $value; |
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} |
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public function getVariable($name) |
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{ |
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return $this->variables[$name]; |
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} |
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public function getFunction($name) |
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{ |
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return $this->functions[$name]; |
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} |
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public function moveActor($alias) |
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{ |
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$moveMap = [ |
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'left' => [0, -1], |
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'right' => [0, 1], |
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'up' => [-1, 0], |
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'down' => [1, 0], |
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]; |
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$actor = $this->actors[$alias]; |
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list($x, $y) = $moveMap[$actor['direction']]; |
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$newX = $actor['x'] + $x; |
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$newY = $actor['y'] + $y; |
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$this->debug('Move [%s:%s] -> [%s:%s]', $actor['y'], $actor['x'], $newY, $newX); |
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if('wall' === $this->fields[$newX][$newY]) { |
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throw new \RuntimeException(sprintf('Wall at [%s, %s]', $newX, $newY)); |
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} |
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$actor['x'] = $newX; |
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$actor['y'] = $newY; |
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$this->actors[$alias] = $actor; |
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} |
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public function debug(...$args) |
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{ |
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} |
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public function setField($x, $y, $field) |
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{ |
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$this->fields[$x][$y] = $field; |
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} |
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public function getField($x, $y) |
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{ |
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return $this->fields[$x][$y]; |
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} |
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public function getActorDirection($alias) |
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{ |
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return $this->actors[$alias]['direction']; |
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} |
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public function setActorDirection($alias, $direction) |
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{ |
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$this->actors[$alias]['direction'] = $direction; |
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} |
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public function getActorPick($alias) |
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{ |
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return $this->actors[$alias]['pick']; |
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} |
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public function setActorPick($alias, $pick) |
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{ |
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$this->actors[$alias]['pick'] = $pick; |
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} |
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public function getActorPosition($alias): array |
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{ |
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return [$this->actors[$alias]['x'], $this->actors[$alias]['y']]; |
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} |
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public function renderBoard(): string |
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{ |
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$return = ''; |
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$return .= "\n"; |
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for($i = 0; $i < $this->height; $i++) { |
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for($j = 0; $j < $this->width; $j++) { |
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$symbol = $this->fieldTypes[$this->fields[$i][$j]]; |
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View Code Duplication |
$isActor = array_reduce($this->actors, function($state, array $item) use ($i, $j) { |
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$state += $item['x'] === $i && $item['y'] === $j; |
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return $state; |
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}, 0); |
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View Code Duplication |
$isExit = array_reduce($this->exits, function($state, array $item) use ($i, $j) { |
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$state += $item['x'] === $i && $item['y'] === $j; |
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return $state; |
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}, 0); |
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if($isExit) { |
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$symbol = 'E'; |
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} |
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if($isActor) { |
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$symbol = 'A'; |
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} |
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$return .= $symbol; |
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} |
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$return .= "\n"; |
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} |
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return $return; |
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} |
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258
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/* --- GETTERS --- */ |
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public function getWidth(): int |
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{ |
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return $this->width; |
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} |
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public function getHeight(): int |
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{ |
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return $this->height; |
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} |
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} |
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Late static binding only has effect in subclasses. A
finalclass cannot be extended anymore so late static binding cannot occurr. Consider replacingstatic::withself::.To learn more about late static binding, please refer to the PHP core documentation.