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<?php |
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namespace Barryvanveen\CCA; |
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class Grid |
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{ |
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/** @var Config */ |
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protected $config; |
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/** @var Cell[] */ |
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protected $cells = []; |
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/** @var Coordinate[][] */ |
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protected $neighbors = []; |
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public function __construct(Config $config, array $cells, array $neighbors) |
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{ |
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$this->config = $config; |
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$this->cells = $cells; |
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$this->neighbors = $neighbors; |
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} |
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public function computeNextState() |
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{ |
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foreach ($this->cells as $position => $cell) { |
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$neighborCoordinates = $this->neighbors[$position]; |
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$neighborStates = $this->getStatesForCoordinates($neighborCoordinates); |
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$this->cells[$position]->computeNextState($neighborStates); |
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} |
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} |
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protected function getStatesForCoordinates(array $coordinates): array |
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{ |
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$states = []; |
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/** @var Coordinate $coordinate */ |
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foreach ($coordinates as $coordinate) { |
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$states[] = $this->cells[$coordinate->position()]->getState(); |
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} |
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return $states; |
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} |
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public function setNextState() |
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{ |
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foreach ($this->cells as $position => $cell) { |
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$this->cells[$position]->setNextState(); |
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} |
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} |
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public function toArray(): array |
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{ |
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$states = []; |
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foreach ($this->cells as $position => $cell) { |
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$states[] = $cell->getState(); |
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} |
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return $states; |
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} |
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public function __toString(): string |
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{ |
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$string = ''; |
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// first line: numbered columns |
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for ($column = 0; $column < $this->config->columns(); $column++) { |
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if ($column === 0) { |
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$string .= sprintf(" "); |
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} |
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$string .= sprintf("%.2d ", $column); |
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} |
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$string .= sprintf("\n"); |
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// rows |
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for ($row = 0; $row < $this->config->rows(); $row++) { |
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// number of current row |
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$string .= sprintf("%.2d ", $row); |
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// cell states |
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for ($column = 0; $column < $this->config->columns(); $column++) { |
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$coordinate = new Coordinate($row, $column, $this->config->columns()); |
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$string .= sprintf("%s ", $this->cells[$coordinate->position()]); |
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} |
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$string .= sprintf("\n"); |
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} |
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$string .= sprintf("\n"); |
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return $string; |
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} |
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} |
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barryvanveen /
php-cca
