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<?php |
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/** |
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* Box packing (3D bin packing, knapsack problem). |
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* |
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* @author Doug Wright |
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*/ |
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declare(strict_types=1); |
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namespace DVDoug\BoxPacker; |
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use JsonSerializable; |
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use function is_iterable; |
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/** |
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* A packed item. |
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*/ |
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class PackedItem implements JsonSerializable |
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{ |
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public readonly int $volume; |
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public function __construct( |
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public readonly Item $item, |
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public readonly int $x, |
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public readonly int $y, |
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public readonly int $z, |
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public readonly int $width, |
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public readonly int $length, |
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public readonly int $depth |
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) { |
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} |
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public static function fromOrientatedItem(OrientatedItem $orientatedItem, int $x, int $y, int $z): self |
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{ |
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return new self( |
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$orientatedItem->item, |
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$x, |
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$y, |
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$z, |
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$orientatedItem->width, |
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$orientatedItem->length, |
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$orientatedItem->depth, |
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); |
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} |
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public function jsonSerialize(): array |
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{ |
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$userValues = []; |
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if ($this->item instanceof JsonSerializable) { |
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$userSerialisation = $this->item->jsonSerialize(); |
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if (is_iterable($userSerialisation)) { |
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$userValues = $userSerialisation; |
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} else { |
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$userValues = ['extra' => $userSerialisation]; |
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} |
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} |
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return [ |
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'x' => $this->x, |
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'y' => $this->y, |
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'z' => $this->z, |
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'width' => $this->width, |
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'length' => $this->length, |
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'depth' => $this->depth, |
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'item' => [ |
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...$userValues, |
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'description' => $this->item->getDescription(), |
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'width' => $this->item->getWidth(), |
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'length' => $this->item->getLength(), |
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'depth' => $this->item->getDepth(), |
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'allowedRotation' => $this->item->getAllowedRotation(), |
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], |
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]; |
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} |
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} |
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dvdoug /
BoxPacker
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