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<?php |
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/** |
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* Box packing (3D bin packing, knapsack problem) |
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* @package BoxPacker |
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* @author Doug Wright |
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*/ |
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namespace DVDoug\BoxPacker; |
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/** |
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* A "box" with items |
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* @author Doug Wright |
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* @package BoxPacker |
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*/ |
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class PackedBox |
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{ |
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/** |
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* Box used |
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* @var Box |
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*/ |
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protected $box; |
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/** |
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* Items in the box |
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* @var ItemList |
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*/ |
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protected $items; |
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/** |
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* Total weight of box |
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* @var int |
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*/ |
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protected $weight; |
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/** |
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* Remaining width inside box for another item |
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* @var int |
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*/ |
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protected $remainingWidth; |
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/** |
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* Remaining length inside box for another item |
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* @var int |
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*/ |
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protected $remainingLength; |
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/** |
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* Remaining depth inside box for another item |
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* @var int |
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*/ |
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protected $remainingDepth; |
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/** |
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* Remaining weight inside box for another item |
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* @var int |
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*/ |
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protected $remainingWeight; |
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/** |
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* Get box used |
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* @return Box |
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*/ |
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public function getBox() |
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{ |
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return $this->box; |
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} |
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/** |
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* Get items packed |
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* @return ItemList |
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*/ |
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public function getItems() |
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{ |
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return $this->items; |
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} |
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/** |
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* Get packed weight |
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* @return int weight in grams |
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*/ |
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public function getWeight() |
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{ |
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if (!is_null($this->weight)) { |
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return $this->weight; |
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} |
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$this->weight = $this->box->getEmptyWeight(); |
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$items = clone $this->items; |
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foreach ($items as $item) { |
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$this->weight += $item->getWeight(); |
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} |
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return $this->weight; |
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} |
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/** |
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* Get remaining width inside box for another item |
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* @return int |
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*/ |
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public function getRemainingWidth() |
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{ |
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return $this->remainingWidth; |
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} |
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/** |
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* Get remaining length inside box for another item |
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* @return int |
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*/ |
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public function getRemainingLength() |
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{ |
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return $this->remainingLength; |
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} |
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/** |
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* Get remaining depth inside box for another item |
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* @return int |
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*/ |
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public function getRemainingDepth() |
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{ |
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return $this->remainingDepth; |
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} |
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/** |
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* Get remaining weight inside box for another item |
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* @return int |
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*/ |
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public function getRemainingWeight() |
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{ |
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return $this->remainingWeight; |
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} |
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/** |
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* Get volume utilisation of the packed box |
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* @return float |
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*/ |
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public function getVolumeUtilisation() |
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{ |
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$itemVolume = 0; |
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/** @var Item $item */ |
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foreach (clone $this->items as $item) { |
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$itemVolume += $item->getVolume(); |
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} |
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return round($itemVolume / $this->box->getInnerVolume() * 100, 1); |
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} |
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/** |
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151
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* Constructor |
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152
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* @param Box $box |
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* @param ItemList $itemList |
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* @param int $remainingWidth |
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* @param int $remainingLength |
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* @param int $remainingDepth |
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* @param int $remainingWeight |
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*/ |
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public function __construct(Box $box, ItemList $itemList, $remainingWidth, $remainingLength, $remainingDepth, $remainingWeight) |
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{ |
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$this->box = $box; |
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$this->items = $itemList; |
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$this->remainingWidth = $remainingWidth; |
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$this->remainingLength = $remainingLength; |
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$this->remainingDepth = $remainingDepth; |
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$this->remainingWeight = $remainingWeight; |
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} |
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168
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} |
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169
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dvdoug /
BoxPacker
