VolumePacker::checkNonDimensionalConstraints() - Code Metrics - Inspection of "Remove non-benchmark tests" - dvdoug/BoxPacker - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — issue_187 ( fb1b49...8952f9 )

by Doug

created 2020-01-21 20:33 UTC

VolumePacker::checkNonDimensionalConstraints() A

↳ Parent: VolumePacker

Complexity

Conditions	3
Paths	3

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	3.072

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
cc	3
eloc	4
c	3
b	0
f	0
nc	3
nop	1
dl	0
loc	9
ccs	4
cts	5
cp	0.8
crap	3.072
rs	10

<?php
/**
 * Box packing (3D bin packing, knapsack problem).
 *
 * @author Doug Wright
 */
declare(strict_types=1);

namespace DVDoug\BoxPacker;

use function count;
use function max;
use function min;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;

/**
 * Actual packer.
 *
 * @author Doug Wright
 */
class VolumePacker implements LoggerAwareInterface
{
    /**
     * The logger instance.
     *
     * @var LoggerInterface
     */
    protected $logger;

    /**
     * Box to pack items into.
     *
     * @var Box
     */
    protected $box;

    /**
     * @var int
     */
    protected $boxWidth;

    /**
     * @var int
     */
    protected $boxLength;

    /**
     * List of items to be packed.
     *
     * @var ItemList
     */
    protected $items;

    /**
     * List of items temporarily skipped to be packed.
     *
     * @var array
     */
    protected $skippedItems = [];

    /**
     * Remaining weight capacity of the box.
     *
     * @var int
     */
    protected $remainingWeight;

    /**
     * Whether the box was rotated for packing.
     *
     * @var bool
     */
    protected $boxRotated = false;

    /**
     * @var PackedLayer[]
     */
    protected $layers = [];

    /**
     * Whether the packer is in look-ahead mode (i.e. working ahead of the main packing).
     *
     * @var bool
     */
    protected $lookAheadMode = false;

    /**
     * @var OrientatedItemFactory
     */
    private $orientatedItemFactory;

    /**
     * Constructor.
     */
    public function __construct(Box $box, ItemList $items)
    {
        $this->box = $box;
        $this->items = $items;

        $this->boxWidth = max($this->box->getInnerWidth(), $this->box->getInnerLength());
        $this->boxLength = min($this->box->getInnerWidth(), $this->box->getInnerLength());
        $this->remainingWeight = $this->box->getMaxWeight() - $this->box->getEmptyWeight();
        $this->logger = new NullLogger();

        // we may have just rotated the box for packing purposes, record if we did
        if ($this->box->getInnerWidth() !== $this->boxWidth || $this->box->getInnerLength() !== $this->boxLength) {
            $this->boxRotated = true;
        }

        $this->orientatedItemFactory = new OrientatedItemFactory($this->box);
    }

    /**
     * Sets a logger.
     */
    public function setLogger(LoggerInterface $logger): void
    {
        $this->logger = $logger;
        $this->orientatedItemFactory->setLogger($logger);
    }

    /**
     * @internal
     */
    public function setLookAheadMode(bool $lookAhead): void
    {
        $this->lookAheadMode = $lookAhead;
    }

    /**
     * Pack as many items as possible into specific given box.
     *
     * @return PackedBox packed box
     */
    public function pack(): PackedBox
    {
        $this->logger->debug("[EVALUATING BOX] {$this->box->getReference()}", ['box' => $this->box]);

        while ($this->items->count() > 0) {
            $layerStartDepth = $this->getCurrentPackedDepth();
            $this->packLayer($layerStartDepth, $this->boxWidth, $this->boxLength, $this->box->getInnerDepth() - $layerStartDepth);
        }

        if ($this->boxRotated) {
            $this->rotateLayersNinetyDegrees();
        }

        if (!$this->lookAheadMode) {
            $this->stabiliseLayers();
        }

        $this->logger->debug('done with this box');

        return new PackedBox($this->box, $this->getPackedItemList());
    }

    /**
     * Pack items into an individual vertical layer.
     */
    protected function packLayer(int $startDepth, int $widthLeft, int $lengthLeft, int $depthLeft): void
    {
        $this->layers[] = $layer = new PackedLayer();
        $prevItem = null;
        $x = $y = $rowWidth = $rowLength = $layerDepth = 0;

        while ($this->items->count() > 0) {
            $itemToPack = $this->items->extract();

            //skip items that are simply too heavy or too large
            if (!$this->checkNonDimensionalConstraints($itemToPack)) {
                continue;
            }

            $orientatedItem = $this->getOrientationForItem($itemToPack, $prevItem, $this->items, !$this->hasItemsLeftToPack(), $widthLeft, $lengthLeft, $depthLeft, $rowLength, $x, $y, $startDepth);

            if ($orientatedItem instanceof OrientatedItem) {
                $packedItem = PackedItem::fromOrientatedItem($orientatedItem, $x, $y, $startDepth);
                $layer->insert($packedItem);
                $this->remainingWeight -= $orientatedItem->getItem()->getWeight();
                $widthLeft -= $orientatedItem->getWidth();

                $rowWidth += $orientatedItem->getWidth();
                $rowLength = max($rowLength, $orientatedItem->getLength());
                $layerDepth = max($layerDepth, $orientatedItem->getDepth());

                //allow items to be stacked in place within the same footprint up to current layer depth
                $stackableDepth = $layerDepth - $orientatedItem->getDepth();
                $this->tryAndStackItemsIntoSpace($layer, $prevItem, $this->items, $orientatedItem->getWidth(), $orientatedItem->getLength(), $stackableDepth, $x, $y, $startDepth + $orientatedItem->getDepth(), $rowLength);
                $x += $orientatedItem->getWidth();

                $prevItem = $packedItem;
                if ($this->items->count() === 0) {
                    $this->rebuildItemList();
                }
            } elseif (count($layer->getItems()) === 0) { // zero items on layer
                $this->logger->debug("doesn't fit on layer even when empty, skipping for good");
                continue;
            } elseif ($widthLeft > 0 && $this->items->count() > 0) { // skip for now, move on to the next item
                $this->logger->debug("doesn't fit, skipping for now");
                $this->skippedItems[] = $itemToPack;
                // abandon here if next item is the same, no point trying to keep going. Last time is not skipped, need that to trigger appropriate reset logic
                while ($this->items->count() > 2 && $this->orientatedItemFactory->isSameDimensions($itemToPack, $this->items->top())) {
                    $this->skippedItems[] = $this->items->extract();
                }
            } elseif ($x > 0 && $lengthLeft >= min($itemToPack->getWidth(), $itemToPack->getLength(), $itemToPack->getDepth())) {
                $this->logger->debug('No more fit in width wise, resetting for new row');
                $widthLeft += $rowWidth;
                $lengthLeft -= $rowLength;
                $y += $rowLength;
                $x = $rowWidth = $rowLength = 0;
                $this->skippedItems[] = $itemToPack;
                $this->rebuildItemList();
                $prevItem = null;
                continue;
            } else {
                $this->logger->debug('no items fit, so starting next vertical layer');
                $this->skippedItems[] = $itemToPack;
                $this->rebuildItemList();

                return;
            }
        }
    }

    /**
     * During packing, it is quite possible that layers have been created that aren't physically stable
     * i.e. they overhang the ones below.
     *
     * This function reorders them so that the ones with the greatest surface area are placed at the bottom
     */
    public function stabiliseLayers(): void
    {
        $stabiliser = new LayerStabiliser();
        $this->layers = $stabiliser->stabilise($this->layers);
    }

    protected function getOrientationForItem(
        Item $itemToPack,
        ?PackedItem $prevItem,
        ItemList $nextItems,
        bool $isLastItem,
        int $maxWidth,
        int $maxLength,
        int $maxDepth,
        int $rowLength,
        int $x,
        int $y,
        int $z
    ): ?OrientatedItem {
        $this->logger->debug(
            "evaluating item {$itemToPack->getDescription()} for fit",
            [
                'item' => $itemToPack,
                'space' => [
                    'maxWidth' => $maxWidth,
                    'maxLength' => $maxLength,
                    'maxDepth' => $maxDepth,
                ],
            ]
        );

        $prevOrientatedItem = $prevItem ? $prevItem->toOrientatedItem() : null;
        $prevPackedItemList = $itemToPack instanceof ConstrainedPlacementItem ? $this->getPackedItemList() : new PackedItemList(); // don't calculate it if not going to be used

        $orientatedItemDecision = $this->orientatedItemFactory->getBestOrientation($itemToPack, $prevOrientatedItem, $nextItems, $isLastItem, $maxWidth, $maxLength, $maxDepth, $rowLength, $x, $y, $z, $prevPackedItemList);

        return $orientatedItemDecision;
    }

    /**
     * Figure out if we can stack the next item vertically on top of this rather than side by side
     * Used when we've packed a tall item, and have just put a shorter one next to it.
     */
    protected function tryAndStackItemsIntoSpace(
        PackedLayer $layer,
        ?PackedItem $prevItem,
        ItemList $nextItems,
        int $maxWidth,
        int $maxLength,
        int $maxDepth,
        int $x,
        int $y,
        int $z,
        int $rowLength
    ): void {
        while ($this->items->count() > 0 && $this->checkNonDimensionalConstraints($this->items->top())) {
            $stackedItem = $this->getOrientationForItem(
                $this->items->top(),
                $prevItem,
                $nextItems,
                $this->items->count() === 1,
                $maxWidth,
                $maxLength,
                $maxDepth,
                $rowLength,
                $x,
                $y,
                $z
            );
            if ($stackedItem) {
                $this->remainingWeight -= $this->items->top()->getWeight();
                $layer->insert(PackedItem::fromOrientatedItem($stackedItem, $x, $y, $z));
                $this->items->extract();
                $maxDepth -= $stackedItem->getDepth();
                $z += $stackedItem->getDepth();
            } else {
                break;
            }
        }
    }

    /**
     * As well as purely dimensional constraints, there are other constraints that need to be met
     * e.g. weight limits or item-specific restrictions (e.g. max <x> batteries per box).
     */
    protected function checkNonDimensionalConstraints(Item $itemToPack): bool
    {
        $weightOK = $itemToPack->getWeight() <= $this->remainingWeight;

        if ($itemToPack instanceof ConstrainedItem) {
            return $weightOK && $itemToPack->canBePackedInBox($this->getPackedItemList(), $this->box);
        }

        return $weightOK;
    }

    /**
     * Reintegrate skipped items into main list.
     */
    protected function rebuildItemList(): void
    {
        $this->items = ItemList::fromArray(array_merge($this->skippedItems, iterator_to_array($this->items)), true);
        $this->skippedItems = [];
    }

    /**
     * Swap back width/length of the packed items to match orientation of the box if needed.
     */
    protected function rotateLayersNinetyDegrees(): void
    {
        foreach ($this->layers as $i => $originalLayer) {
            $newLayer = new PackedLayer();
            foreach ($originalLayer->getItems() as $item) {
                $packedItem = new PackedItem($item->getItem(), $item->getY(), $item->getX(), $item->getZ(), $item->getLength(), $item->getWidth(), $item->getDepth());
                $newLayer->insert($packedItem);
            }
            $this->layers[$i] = $newLayer;
        }
    }

    /**
     * Are there items left to pack?
     */
    protected function hasItemsLeftToPack(): bool
    {
        return count($this->skippedItems) + $this->items->count() > 0;
    }

    /**
     * Generate a single list of items packed.
     */
    protected function getPackedItemList(): PackedItemList
    {
        $packedItemList = new PackedItemList();
        foreach ($this->layers as $layer) {
            foreach ($layer->getItems() as $packedItem) {
                $packedItemList->insert($packedItem);
            }
        }

        return $packedItemList;
    }

    /**
     * Return the current packed depth.
     */
    protected function getCurrentPackedDepth(): int
    {
        $depth = 0;
        foreach ($this->layers as $layer) {
            $depth += $layer->getDepth();
        }

        return $depth;
    }
}


1		<?php
2		/**
3		* Box packing (3D bin packing, knapsack problem).
4		*
5		* @author Doug Wright
6		*/
7		declare(strict_types=1);
8
9		namespace DVDoug\BoxPacker;
10
11		use function count;
12		use function max;
13		use function min;
14		use Psr\Log\LoggerAwareInterface;
15		use Psr\Log\LoggerInterface;
16		use Psr\Log\NullLogger;
17
18		/**
19		* Actual packer.
20		*
21		* @author Doug Wright
22		*/
23		class VolumePacker implements LoggerAwareInterface
24		{
25		/**
26		* The logger instance.
27		*
28		* @var LoggerInterface
29		*/
30		protected $logger;
31
32		/**
33		* Box to pack items into.
34		*
35		* @var Box
36		*/
37		protected $box;
38
39		/**
40		* @var int
41		*/
42		protected $boxWidth;
43
44		/**
45		* @var int
46		*/
47		protected $boxLength;
48
49		/**
50		* List of items to be packed.
51		*
52		* @var ItemList
53		*/
54		protected $items;
55
56		/**
57		* List of items temporarily skipped to be packed.
58		*
59		* @var array
60		*/
61		protected $skippedItems = [];
62
63		/**
64		* Remaining weight capacity of the box.
65		*
66		* @var int
67		*/
68		protected $remainingWeight;
69
70		/**
71		* Whether the box was rotated for packing.
72		*
73		* @var bool
74		*/
75		protected $boxRotated = false;
76
77		/**
78		* @var PackedLayer[]
79		*/
80		protected $layers = [];
81
82		/**
83		* Whether the packer is in look-ahead mode (i.e. working ahead of the main packing).
84		*
85		* @var bool
86		*/
87		protected $lookAheadMode = false;
88
89		/**
90		* @var OrientatedItemFactory
91		*/
92		private $orientatedItemFactory;
93
94		/**
95		* Constructor.
96		*/
97	22	public function __construct(Box $box, ItemList $items)
98		{
99	22	$this->box = $box;
100	22	$this->items = $items;
101
102	22	$this->boxWidth = max($this->box->getInnerWidth(), $this->box->getInnerLength());
103	22	$this->boxLength = min($this->box->getInnerWidth(), $this->box->getInnerLength());
104	22	$this->remainingWeight = $this->box->getMaxWeight() - $this->box->getEmptyWeight();
105	22	$this->logger = new NullLogger();
106
107		// we may have just rotated the box for packing purposes, record if we did
108	22	if ($this->box->getInnerWidth() !== $this->boxWidth \|\| $this->box->getInnerLength() !== $this->boxLength) {
109	4	$this->boxRotated = true;
110		}
111
112	22	$this->orientatedItemFactory = new OrientatedItemFactory($this->box);
113	22	}
114
115		/**
116		* Sets a logger.
117		*/
118	7	public function setLogger(LoggerInterface $logger): void
119		{
120	7	$this->logger = $logger;
121	7	$this->orientatedItemFactory->setLogger($logger);
122	7	}
123
124		/**
125		* @internal
126		*/
127	3	public function setLookAheadMode(bool $lookAhead): void
128		{
129	3	$this->lookAheadMode = $lookAhead;
130	3	}
131
132		/**
133		* Pack as many items as possible into specific given box.
134		*
135		* @return PackedBox packed box
136		*/
137	22	public function pack(): PackedBox
138		{
139	22	$this->logger->debug("[EVALUATING BOX] {$this->box->getReference()}", ['box' => $this->box]);
140
141	22	while ($this->items->count() > 0) {
142	22	$layerStartDepth = $this->getCurrentPackedDepth();
143	22	$this->packLayer($layerStartDepth, $this->boxWidth, $this->boxLength, $this->box->getInnerDepth() - $layerStartDepth);
144		}
145
146	22	if ($this->boxRotated) {
147	4	$this->rotateLayersNinetyDegrees();
148		}
149
150	22	if (!$this->lookAheadMode) {
151	22	$this->stabiliseLayers();
152		}
153
154	22	$this->logger->debug('done with this box');
155
156	22	return new PackedBox($this->box, $this->getPackedItemList());
157		}
158
159		/**
160		* Pack items into an individual vertical layer.
161		*/
162	22	protected function packLayer(int $startDepth, int $widthLeft, int $lengthLeft, int $depthLeft): void
163		{
164	22	$this->layers[] = $layer = new PackedLayer();
165	22	$prevItem = null;
166	22	$x = $y = $rowWidth = $rowLength = $layerDepth = 0;
167
168	22	while ($this->items->count() > 0) {
169	22	$itemToPack = $this->items->extract();
170
171		//skip items that are simply too heavy or too large
172	22	if (!$this->checkNonDimensionalConstraints($itemToPack)) {
173	3	continue;
174		}
175
176	22	$orientatedItem = $this->getOrientationForItem($itemToPack, $prevItem, $this->items, !$this->hasItemsLeftToPack(), $widthLeft, $lengthLeft, $depthLeft, $rowLength, $x, $y, $startDepth);
177
178	22	if ($orientatedItem instanceof OrientatedItem) {
179	22	$packedItem = PackedItem::fromOrientatedItem($orientatedItem, $x, $y, $startDepth);
180	22	$layer->insert($packedItem);
181	22	$this->remainingWeight -= $orientatedItem->getItem()->getWeight();
182	22	$widthLeft -= $orientatedItem->getWidth();
183
184	22	$rowWidth += $orientatedItem->getWidth();
185	22	$rowLength = max($rowLength, $orientatedItem->getLength());
186	22	$layerDepth = max($layerDepth, $orientatedItem->getDepth());
187
188		//allow items to be stacked in place within the same footprint up to current layer depth
189	22	$stackableDepth = $layerDepth - $orientatedItem->getDepth();
190	22	$this->tryAndStackItemsIntoSpace($layer, $prevItem, $this->items, $orientatedItem->getWidth(), $orientatedItem->getLength(), $stackableDepth, $x, $y, $startDepth + $orientatedItem->getDepth(), $rowLength);
191	22	$x += $orientatedItem->getWidth();
192
193	22	$prevItem = $packedItem;
194	22	if ($this->items->count() === 0) {
195	22	$this->rebuildItemList();
196		}
197	19	} elseif (count($layer->getItems()) === 0) { // zero items on layer
198	5	$this->logger->debug("doesn't fit on layer even when empty, skipping for good");
199	5	continue;
200	18	} elseif ($widthLeft > 0 && $this->items->count() > 0) { // skip for now, move on to the next item
201	14	$this->logger->debug("doesn't fit, skipping for now");
202	14	$this->skippedItems[] = $itemToPack;
203		// abandon here if next item is the same, no point trying to keep going. Last time is not skipped, need that to trigger appropriate reset logic
204	14	while ($this->items->count() > 2 && $this->orientatedItemFactory->isSameDimensions($itemToPack, $this->items->top())) {
205	4	$this->skippedItems[] = $this->items->extract();
206		}
207	18	} elseif ($x > 0 && $lengthLeft >= min($itemToPack->getWidth(), $itemToPack->getLength(), $itemToPack->getDepth())) {
208	18	$this->logger->debug('No more fit in width wise, resetting for new row');
209	18	$widthLeft += $rowWidth;
210	18	$lengthLeft -= $rowLength;
211	18	$y += $rowLength;
212	18	$x = $rowWidth = $rowLength = 0;
213	18	$this->skippedItems[] = $itemToPack;
214	18	$this->rebuildItemList();
215	18	$prevItem = null;
216	18	continue;
217		} else {
218	16	$this->logger->debug('no items fit, so starting next vertical layer');
219	16	$this->skippedItems[] = $itemToPack;
220	16	$this->rebuildItemList();
221
222	16	return;
223		}
224		}
225	22	}
226
227		/**
228		* During packing, it is quite possible that layers have been created that aren't physically stable
229		* i.e. they overhang the ones below.
230		*
231		* This function reorders them so that the ones with the greatest surface area are placed at the bottom
232		*/
233	22	public function stabiliseLayers(): void
234		{
235	22	$stabiliser = new LayerStabiliser();
236	22	$this->layers = $stabiliser->stabilise($this->layers);
237	22	}
238
239	22	protected function getOrientationForItem(
240		Item $itemToPack,
241		?PackedItem $prevItem,
242		ItemList $nextItems,
243		bool $isLastItem,
244		int $maxWidth,
245		int $maxLength,
246		int $maxDepth,
247		int $rowLength,
248		int $x,
249		int $y,
250		int $z
251		): ?OrientatedItem {
252	22	$this->logger->debug(
253	22	"evaluating item {$itemToPack->getDescription()} for fit",
254		[
255	22	'item' => $itemToPack,
256		'space' => [
257	22	'maxWidth' => $maxWidth,
258	22	'maxLength' => $maxLength,
259	22	'maxDepth' => $maxDepth,
260		],
261		]
262		);
263
264	22	$prevOrientatedItem = $prevItem ? $prevItem->toOrientatedItem() : null;
265	22	$prevPackedItemList = $itemToPack instanceof ConstrainedPlacementItem ? $this->getPackedItemList() : new PackedItemList(); // don't calculate it if not going to be used
266
267	22	$orientatedItemDecision = $this->orientatedItemFactory->getBestOrientation($itemToPack, $prevOrientatedItem, $nextItems, $isLastItem, $maxWidth, $maxLength, $maxDepth, $rowLength, $x, $y, $z, $prevPackedItemList);
268
269	22	return $orientatedItemDecision;
270		}
271
272		/**
273		* Figure out if we can stack the next item vertically on top of this rather than side by side
274		* Used when we've packed a tall item, and have just put a shorter one next to it.
275		*/
276	22	protected function tryAndStackItemsIntoSpace(
277		PackedLayer $layer,
278		?PackedItem $prevItem,
279		ItemList $nextItems,
280		int $maxWidth,
281		int $maxLength,
282		int $maxDepth,
283		int $x,
284		int $y,
285		int $z,
286		int $rowLength
287		): void {
288	22	while ($this->items->count() > 0 && $this->checkNonDimensionalConstraints($this->items->top())) {
289	21	$stackedItem = $this->getOrientationForItem(
290	21	$this->items->top(),
291		$prevItem,
292		$nextItems,
293	21	$this->items->count() === 1,
294		$maxWidth,
295		$maxLength,
296		$maxDepth,
297		$rowLength,
298		$x,
299		$y,
300		$z
301		);
302	21	if ($stackedItem) {
303	3	$this->remainingWeight -= $this->items->top()->getWeight();
304	3	$layer->insert(PackedItem::fromOrientatedItem($stackedItem, $x, $y, $z));
305	3	$this->items->extract();
306	3	$maxDepth -= $stackedItem->getDepth();
307	3	$z += $stackedItem->getDepth();
308		} else {
309	21	break;
310		}
311		}
312	22	}
313
314		/**
315		* As well as purely dimensional constraints, there are other constraints that need to be met
316		* e.g. weight limits or item-specific restrictions (e.g. max <x> batteries per box).
317		*/
318	22	protected function checkNonDimensionalConstraints(Item $itemToPack): bool
319		{
320	22	$weightOK = $itemToPack->getWeight() <= $this->remainingWeight;
321
322	22	if ($itemToPack instanceof ConstrainedItem) {
323		return $weightOK && $itemToPack->canBePackedInBox($this->getPackedItemList(), $this->box);
324		}
325
326	22	return $weightOK;
327		}
328
329		/**
330		* Reintegrate skipped items into main list.
331		*/
332	22	protected function rebuildItemList(): void
333		{
334	22	$this->items = ItemList::fromArray(array_merge($this->skippedItems, iterator_to_array($this->items)), true);
335	22	$this->skippedItems = [];
336	22	}
337
338		/**
339		* Swap back width/length of the packed items to match orientation of the box if needed.
340		*/
341	4	protected function rotateLayersNinetyDegrees(): void
342		{
343	4	foreach ($this->layers as $i => $originalLayer) {
344	4	$newLayer = new PackedLayer();
345	4	foreach ($originalLayer->getItems() as $item) {
346	4	$packedItem = new PackedItem($item->getItem(), $item->getY(), $item->getX(), $item->getZ(), $item->getLength(), $item->getWidth(), $item->getDepth());
347	4	$newLayer->insert($packedItem);
348		}
349	4	$this->layers[$i] = $newLayer;
350		}
351	4	}
352
353		/**
354		* Are there items left to pack?
355		*/
356	22	protected function hasItemsLeftToPack(): bool
357		{
358	22	return count($this->skippedItems) + $this->items->count() > 0;
359		}
360
361		/**
362		* Generate a single list of items packed.
363		*/
364	22	protected function getPackedItemList(): PackedItemList
365		{
366	22	$packedItemList = new PackedItemList();
367	22	foreach ($this->layers as $layer) {
368	22	foreach ($layer->getItems() as $packedItem) {
369	22	$packedItemList->insert($packedItem);
370		}
371		}
372
373	22	return $packedItemList;
374		}
375
376		/**
377		* Return the current packed depth.
378		*/
379	22	protected function getCurrentPackedDepth(): int
380		{
381	22	$depth = 0;
382	22	foreach ($this->layers as $layer) {
383	16	$depth += $layer->getDepth();
384		}
385
386	22	return $depth;
387		}
388		}
389

dvdoug / BoxPacker

Push — issue_187 ( fb1b49...8952f9 )

VolumePacker::checkNonDimensionalConstraints() A

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