VolumePacker::findBestOrientation() - Code Metrics - Inspection of "Fix Travis conditionals to correctly check against..." - dvdoug/BoxPacker - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 349d65...0b9f3a )

by Doug

created 2017-01-07 19:49 UTC

VolumePacker::findBestOrientation() B

↳ Parent: VolumePacker

Complexity

Conditions	6
Paths	5

Size

Total Lines	28
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	17
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	28
ccs	17
cts	17
cp	1
rs	8.439
c	0
b	0
f	0
cc	6
eloc	17
nc	5
nop	6
crap	6

<?php
/**
 * Box packing (3D bin packing, knapsack problem)
 * @package BoxPacker
 * @author Doug Wright
 */
namespace DVDoug\BoxPacker;

use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use Psr\Log\NullLogger;

/**
 * Actual packer
 * @author Doug Wright
 * @package BoxPacker
 */
class VolumePacker implements LoggerAwareInterface
{
    use LoggerAwareTrait;

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

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

    /**
     * Remaining width of the box to pack items into
     * @var int
     */
    protected $widthLeft;

    /**
     * Remaining length of the box to pack items into
     * @var int
     */
    protected $lengthLeft;

    /**
     * Remaining depth of the box to pack items into
     * @var int
     */
    protected $depthLeft;

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

    /**
     * Used width inside box for packing items
     * @var int
     */
    protected $usedWidth = 0;

    /**
     * Used length inside box for packing items
     * @var int
     */
    protected $usedLength = 0;

    /**
     * Used depth inside box for packing items
     * @var int
     */
    protected $usedDepth = 0;

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

        $this->box = $box;
        $this->items = $items;

        $this->depthLeft = $this->box->getInnerDepth();
        $this->remainingWeight = $this->box->getMaxWeight() - $this->box->getEmptyWeight();
        $this->widthLeft = $this->box->getInnerWidth();
        $this->lengthLeft = $this->box->getInnerLength();
    }

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

        $packedItems = new ItemList;

        $layerWidth = $layerLength = $layerDepth = 0;

        $prevItem = null;

        while (!$this->items->isEmpty()) {

            $itemToPack = $this->items->extract();

            //skip items that are simply too heavy
            if ($itemToPack->getWeight() > $this->remainingWeight) {
                continue;
            }

            $this->logger->debug(
                "evaluating item {$itemToPack->getDescription()}",
                [
                    'item' => $itemToPack,
                    'space' => [
                        'widthLeft'   => $this->widthLeft,
                        'lengthLeft'  => $this->lengthLeft,
                        'depthLeft'   => $this->depthLeft,
                        'layerWidth'  => $layerWidth,
                        'layerLength' => $layerLength,
                        'layerDepth'  => $layerDepth
                    ]
                ]
            );

            $nextItem = !$this->items->isEmpty() ? $this->items->top() : null;
            $orientatedItem = $this->findBestOrientation($itemToPack, $prevItem, $nextItem, $this->widthLeft, $this->lengthLeft, $this->depthLeft);

            if ($orientatedItem) {

                $packedItems->insert($orientatedItem->getItem());
                $this->remainingWeight -= $itemToPack->getWeight();

                $this->lengthLeft -= $orientatedItem->getLength();
                $layerLength += $orientatedItem->getLength();
                $layerWidth = max($orientatedItem->getWidth(), $layerWidth);

                $layerDepth = max($layerDepth, $orientatedItem->getDepth()); //greater than 0, items will always be less deep

                $this->usedLength = max($this->usedLength, $layerLength);
                $this->usedWidth = max($this->usedWidth, $layerWidth);

                //allow items to be stacked in place within the same footprint up to current layerdepth
                $stackableDepth = $layerDepth - $orientatedItem->getDepth();
                $this->tryAndStackItemsIntoSpace($packedItems, $prevItem, $nextItem, $orientatedItem->getWidth(), $orientatedItem->getLength(), $stackableDepth);

                $prevItem = $orientatedItem;

                if (!$nextItem) {
                    $this->usedDepth += $layerDepth;
                }
            } else {

                $prevItem = null;

                if ($this->widthLeft >= min($itemToPack->getWidth(), $itemToPack->getLength()) && $this->isLayerStarted($layerWidth, $layerLength, $layerDepth)) {
                    $this->logger->debug("No more fit in lengthwise, resetting for new row");
                    $this->lengthLeft += $layerLength;
                    $this->widthLeft -= $layerWidth;
                    $layerWidth = $layerLength = 0;
                    $this->items->insert($itemToPack);
                    continue;
                } elseif ($this->lengthLeft < min($itemToPack->getWidth(), $itemToPack->getLength()) || $layerDepth == 0) {
                    $this->logger->debug("doesn't fit on layer even when empty");
                    continue;
                }

                $this->widthLeft = $layerWidth ? min(floor($layerWidth * 1.1), $this->box->getInnerWidth()) : $this->box->getInnerWidth();
class Id
{
    public $id;

    public function __construct($id)
    {
        $this->id = $id;
    }

}

class Account
{
    /** @var  Id $id */
    public $id;
}

$account_id = false;

if (starsAreRight()) {
    $account_id = new Id(42);
}

$account = new Account();
if ($account instanceof Id)
{
    $account->id = $account_id;
}
                $this->lengthLeft = $layerLength ? min(floor($layerLength * 1.1), $this->box->getInnerLength()) : $this->box->getInnerLength();
class Id
{
    public $id;

    public function __construct($id)
    {
        $this->id = $id;
    }

}

class Account
{
    /** @var  Id $id */
    public $id;
}

$account_id = false;

if (starsAreRight()) {
    $account_id = new Id(42);
}

$account = new Account();
if ($account instanceof Id)
{
    $account->id = $account_id;
}
                $this->depthLeft -= $layerDepth;
                $this->usedDepth += $layerDepth;

                $layerWidth = $layerLength = $layerDepth = 0;
                $this->logger->debug("doesn't fit, so starting next vertical layer");
                $this->items->insert($itemToPack);
            }
        }
        $this->logger->debug("done with this box");
        return new PackedBox(
            $this->box,
            $packedItems,
            $this->widthLeft,
            $this->lengthLeft,
            $this->depthLeft,
            $this->remainingWeight,
            $this->usedWidth,
            $this->usedLength,
            $this->usedDepth);
    }

    /**
     * Get the best orientation for an item
     * @param Item $item
     * @param OrientatedItem|null $prevItem
     * @param Item|null $nextItem
     * @param int $widthLeft
     * @param int $lengthLeft
     * @param int $depthLeft
     * @return OrientatedItem|false
     */
    protected function findBestOrientation(Item $item, OrientatedItem $prevItem = null, Item $nextItem = null, $widthLeft, $lengthLeft, $depthLeft) {

        $orientations = $this->findPossibleOrientations($item, $prevItem, $widthLeft, $lengthLeft, $depthLeft);

        // special casing based on next item
        if (isset($orientations[0]) && $nextItem == $item && $lengthLeft >= 2 * $item->getLength()) {
            $this->logger->debug("not rotating based on next item");
            return $orientations[0]; // XXX this is tied to the ordering from ->findPossibleOrientations()
        }

        $orientationFits = [];

        /** @var OrientatedItem $orientation */
        foreach ($orientations as $o => $orientation) {
            $orientationFit = min($widthLeft   - $orientation->getWidth(), $lengthLeft  - $orientation->getLength());
            $orientationFits[$o] = $orientationFit;
        }

        if (!empty($orientationFits)) {
            asort($orientationFits);
            reset($orientationFits);
            $bestFit = key($orientationFits);
            $this->logger->debug("Using orientation #{$bestFit}");
            return $orientations[$bestFit];
        } else {
            return false;
        }
    }

    /**
     * Find all possible orientations for an item
     * @param Item $item
     * @param OrientatedItem|null $prevItem
     * @param int $widthLeft
     * @param int $lengthLeft
     * @param int $depthLeft
     * @return OrientatedItem[]
     */
    protected function findPossibleOrientations(Item $item, OrientatedItem $prevItem = null, $widthLeft, $lengthLeft, $depthLeft) {

        $orientations = [];

        //Special case items that are the same as what we just packed - keep orientation
        if ($prevItem && $prevItem->getItem() == $item) {
            $orientations[] = new OrientatedItem($item, $prevItem->getWidth(), $prevItem->getLength(), $prevItem->getDepth());
        } else {

            //simple 2D rotation
            $orientations[] = new OrientatedItem($item, $item->getWidth(), $item->getLength(), $item->getDepth());
            $orientations[] = new OrientatedItem($item, $item->getLength(), $item->getWidth(), $item->getDepth());

            //add 3D rotation if we're allowed
            if (!$item->getKeepFlat()) {
                $orientations[] = new OrientatedItem($item, $item->getWidth(), $item->getDepth(), $item->getLength());
                $orientations[] = new OrientatedItem($item, $item->getLength(), $item->getDepth(), $item->getWidth());
                $orientations[] = new OrientatedItem($item, $item->getDepth(), $item->getWidth(), $item->getLength());
                $orientations[] = new OrientatedItem($item, $item->getDepth(), $item->getLength(), $item->getWidth());
            }
        }

        //remove any that simply don't fit
        return array_filter($orientations, function (OrientatedItem $i) use ($widthLeft, $lengthLeft, $depthLeft) {
            return $i->getWidth() <= $widthLeft && $i->getLength() <= $lengthLeft && $i->getDepth() <= $depthLeft;
        });

    }

    /**
     * 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
     *
     * @param ItemList       $packedItems
     * @param OrientatedItem $prevItem

     * @param Item           $nextItem

     * @param int            $maxWidth
     * @param int            $maxLength
     * @param int            $maxDepth
     */
    protected function tryAndStackItemsIntoSpace(ItemList $packedItems, OrientatedItem $prevItem = null, Item $nextItem = null, $maxWidth, $maxLength, $maxDepth)
    {
        while (!$this->items->isEmpty() && $this->remainingWeight >= $this->items->top()->getWeight()) {
            $stackedItem = $this->findBestOrientation($this->items->top(), $prevItem, $nextItem, $maxWidth, $maxLength, $maxDepth);
            if ($stackedItem) {
                $this->remainingWeight -= $this->items->top()->getWeight();
                $maxDepth -= $stackedItem->getDepth();
                $packedItems->insert($this->items->extract());
            } else {
                break;
            }
        }
    }

    /**
     * @param int $layerWidth
     * @param int $layerLength
     * @param int $layerDepth
     * @return bool
     */
    protected function isLayerStarted($layerWidth, $layerLength, $layerDepth) {
        return $layerWidth > 0 && $layerLength > 0 && $layerDepth > 0;
    }
}


1		<?php
2		/**
3		* Box packing (3D bin packing, knapsack problem)
4		* @package BoxPacker
5		* @author Doug Wright
6		*/
7		namespace DVDoug\BoxPacker;
8
9		use Psr\Log\LoggerAwareInterface;
10		use Psr\Log\LoggerAwareTrait;
11		use Psr\Log\NullLogger;
12
13		/**
14		* Actual packer
15		* @author Doug Wright
16		* @package BoxPacker
17		*/
18		class VolumePacker implements LoggerAwareInterface
19		{
20		use LoggerAwareTrait;
21
22		/**
23		* Box to pack items into
24		* @var Box
25		*/
26		protected $box;
27
28		/**
29		* List of items to be packed
30		* @var ItemList
31		*/
32		protected $items;
33
34		/**
35		* Remaining width of the box to pack items into
36		* @var int
37		*/
38		protected $widthLeft;
39
40		/**
41		* Remaining length of the box to pack items into
42		* @var int
43		*/
44		protected $lengthLeft;
45
46		/**
47		* Remaining depth of the box to pack items into
48		* @var int
49		*/
50		protected $depthLeft;
51
52		/**
53		* Remaining weight capacity of the box
54		* @var int
55		*/
56		protected $remainingWeight;
57
58		/**
59		* Used width inside box for packing items
60		* @var int
61		*/
62		protected $usedWidth = 0;
63
64		/**
65		* Used length inside box for packing items
66		* @var int
67		*/
68		protected $usedLength = 0;
69
70		/**
71		* Used depth inside box for packing items
72		* @var int
73		*/
74		protected $usedDepth = 0;
75
76		/**
77		* Constructor
78		*/
79	27	public function __construct(Box $box, ItemList $items)
80		{
81	27	$this->logger = new NullLogger();
82
83	27	$this->box = $box;
84	27	$this->items = $items;
85
86	27	$this->depthLeft = $this->box->getInnerDepth();
87	27	$this->remainingWeight = $this->box->getMaxWeight() - $this->box->getEmptyWeight();
88	27	$this->widthLeft = $this->box->getInnerWidth();
89	27	$this->lengthLeft = $this->box->getInnerLength();
90	27	}
91
92		/**
93		* Pack as many items as possible into specific given box
94		* @return PackedBox packed box
95		*/
96	27	public function pack()
97		{
98	27	$this->logger->debug("[EVALUATING BOX] {$this->box->getReference()}");
99
100	27	$packedItems = new ItemList;
101
102	27	$layerWidth = $layerLength = $layerDepth = 0;
103
104	27	$prevItem = null;
105
106	27	while (!$this->items->isEmpty()) {
107
108	27	$itemToPack = $this->items->extract();
109
110		//skip items that are simply too heavy
111	27	if ($itemToPack->getWeight() > $this->remainingWeight) {
112	4	continue;
113		}
114
115	27	$this->logger->debug(
116	27	"evaluating item {$itemToPack->getDescription()}",
117		[
118	27	'item' => $itemToPack,
119		'space' => [
120	27	'widthLeft' => $this->widthLeft,
121	27	'lengthLeft' => $this->lengthLeft,
122	27	'depthLeft' => $this->depthLeft,
123	27	'layerWidth' => $layerWidth,
124	27	'layerLength' => $layerLength,
125		'layerDepth' => $layerDepth
126	27	]
127	27	]
128	27	);
129
130	27	$nextItem = !$this->items->isEmpty() ? $this->items->top() : null;
131	27	$orientatedItem = $this->findBestOrientation($itemToPack, $prevItem, $nextItem, $this->widthLeft, $this->lengthLeft, $this->depthLeft);
132
133	27	if ($orientatedItem) {
134
135	27	$packedItems->insert($orientatedItem->getItem());
136	27	$this->remainingWeight -= $itemToPack->getWeight();
137
138	27	$this->lengthLeft -= $orientatedItem->getLength();
139	27	$layerLength += $orientatedItem->getLength();
140	27	$layerWidth = max($orientatedItem->getWidth(), $layerWidth);
141
142	27	$layerDepth = max($layerDepth, $orientatedItem->getDepth()); //greater than 0, items will always be less deep
143
144	27	$this->usedLength = max($this->usedLength, $layerLength);
145	27	$this->usedWidth = max($this->usedWidth, $layerWidth);
146
147		//allow items to be stacked in place within the same footprint up to current layerdepth
148	27	$stackableDepth = $layerDepth - $orientatedItem->getDepth();
149	27	$this->tryAndStackItemsIntoSpace($packedItems, $prevItem, $nextItem, $orientatedItem->getWidth(), $orientatedItem->getLength(), $stackableDepth);
150
151	27	$prevItem = $orientatedItem;
152
153	27	if (!$nextItem) {
154	24	$this->usedDepth += $layerDepth;
155	24	}
156	27	} else {
157
158	23	$prevItem = null;
159
160	23	if ($this->widthLeft >= min($itemToPack->getWidth(), $itemToPack->getLength()) && $this->isLayerStarted($layerWidth, $layerLength, $layerDepth)) {
161	22	$this->logger->debug("No more fit in lengthwise, resetting for new row");
162	22	$this->lengthLeft += $layerLength;
163	22	$this->widthLeft -= $layerWidth;
164	22	$layerWidth = $layerLength = 0;
165	22	$this->items->insert($itemToPack);
166	22	continue;
167	18	} elseif ($this->lengthLeft < min($itemToPack->getWidth(), $itemToPack->getLength()) \|\| $layerDepth == 0) {
168	7	$this->logger->debug("doesn't fit on layer even when empty");
169	7	continue;
170		}
171
172	17	$this->widthLeft = $layerWidth ? min(floor($layerWidth * 1.1), $this->box->getInnerWidth()) : $this->box->getInnerWidth();
		0 ignored issues – show Documentation Bug introduced 2016-09-25 18:15 UTC by Report Bug Copy Issue Report It seems like `$layerWidth ? min(floor(...s->box->getInnerWidth()` can also be of type `double`. However, the property `$widthLeft` is declared as type `integer`. Maybe add an additional type check? Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly. For example, imagine you have a variable `$accountId` that can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to the `id` property of an instance of the `Account` class. This class holds a proper account, so the id value must no longer be false. Either this assignment is in error or a type check should be added for that assignment. class Id { public $id; public function __construct($id) { $this->id = $id; } } class Account { /** @var Id $id */ public $id; } $account_id = false; if (starsAreRight()) { $account_id = new Id(42); } $account = new Account(); if ($account instanceof Id) { $account->id = $account_id; } Loading history...
173	17	$this->lengthLeft = $layerLength ? min(floor($layerLength * 1.1), $this->box->getInnerLength()) : $this->box->getInnerLength();
		0 ignored issues – show Documentation Bug introduced 2016-09-25 18:15 UTC by Report Bug Copy Issue Report It seems like `$layerLength ? min(floor...->box->getInnerLength()` can also be of type `double`. However, the property `$lengthLeft` is declared as type `integer`. Maybe add an additional type check? Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly. For example, imagine you have a variable `$accountId` that can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to the `id` property of an instance of the `Account` class. This class holds a proper account, so the id value must no longer be false. Either this assignment is in error or a type check should be added for that assignment. class Id { public $id; public function __construct($id) { $this->id = $id; } } class Account { /** @var Id $id */ public $id; } $account_id = false; if (starsAreRight()) { $account_id = new Id(42); } $account = new Account(); if ($account instanceof Id) { $account->id = $account_id; } Loading history...
174	17	$this->depthLeft -= $layerDepth;
175	17	$this->usedDepth += $layerDepth;
176
177	17	$layerWidth = $layerLength = $layerDepth = 0;
178	17	$this->logger->debug("doesn't fit, so starting next vertical layer");
179	17	$this->items->insert($itemToPack);
180		}
181	27	}
182	27	$this->logger->debug("done with this box");
183	27	return new PackedBox(
184	27	$this->box,
185	27	$packedItems,
186	27	$this->widthLeft,
187	27	$this->lengthLeft,
188	27	$this->depthLeft,
189	27	$this->remainingWeight,
190	27	$this->usedWidth,
191	27	$this->usedLength,
192	27	$this->usedDepth);
193		}
194
195		/**
196		* Get the best orientation for an item
197		* @param Item $item
198		* @param OrientatedItem\|null $prevItem
199		* @param Item\|null $nextItem
200		* @param int $widthLeft
201		* @param int $lengthLeft
202		* @param int $depthLeft
203		* @return OrientatedItem\|false
204		*/
205	27	protected function findBestOrientation(Item $item, OrientatedItem $prevItem = null, Item $nextItem = null, $widthLeft, $lengthLeft, $depthLeft) {
206
207	27	$orientations = $this->findPossibleOrientations($item, $prevItem, $widthLeft, $lengthLeft, $depthLeft);
208
209		// special casing based on next item
210	27	if (isset($orientations[0]) && $nextItem == $item && $lengthLeft >= 2 * $item->getLength()) {
211	6	$this->logger->debug("not rotating based on next item");
212	6	return $orientations[0]; // XXX this is tied to the ordering from ->findPossibleOrientations()
213		}
214
215	27	$orientationFits = [];
216
217		/** @var OrientatedItem $orientation */
218	27	foreach ($orientations as $o => $orientation) {
219	27	$orientationFit = min($widthLeft - $orientation->getWidth(), $lengthLeft - $orientation->getLength());
220	27	$orientationFits[$o] = $orientationFit;
221	27	}
222
223	27	if (!empty($orientationFits)) {
224	27	asort($orientationFits);
225	27	reset($orientationFits);
226	27	$bestFit = key($orientationFits);
227	27	$this->logger->debug("Using orientation #{$bestFit}");
228	27	return $orientations[$bestFit];
229		} else {
230	25	return false;
231		}
232		}
233
234		/**
235		* Find all possible orientations for an item
236		* @param Item $item
237		* @param OrientatedItem\|null $prevItem
238		* @param int $widthLeft
239		* @param int $lengthLeft
240		* @param int $depthLeft
241		* @return OrientatedItem[]
242		*/
243	27	protected function findPossibleOrientations(Item $item, OrientatedItem $prevItem = null, $widthLeft, $lengthLeft, $depthLeft) {
244
245	27	$orientations = [];
246
247		//Special case items that are the same as what we just packed - keep orientation
248	27	if ($prevItem && $prevItem->getItem() == $item) {
249	10	$orientations[] = new OrientatedItem($item, $prevItem->getWidth(), $prevItem->getLength(), $prevItem->getDepth());
250	10	} else {
251
252		//simple 2D rotation
253	27	$orientations[] = new OrientatedItem($item, $item->getWidth(), $item->getLength(), $item->getDepth());
254	27	$orientations[] = new OrientatedItem($item, $item->getLength(), $item->getWidth(), $item->getDepth());
255
256		//add 3D rotation if we're allowed
257	27	if (!$item->getKeepFlat()) {
258	10	$orientations[] = new OrientatedItem($item, $item->getWidth(), $item->getDepth(), $item->getLength());
259	10	$orientations[] = new OrientatedItem($item, $item->getLength(), $item->getDepth(), $item->getWidth());
260	10	$orientations[] = new OrientatedItem($item, $item->getDepth(), $item->getWidth(), $item->getLength());
261	10	$orientations[] = new OrientatedItem($item, $item->getDepth(), $item->getLength(), $item->getWidth());
262	10	}
263		}
264
265		//remove any that simply don't fit
266	27	return array_filter($orientations, function (OrientatedItem $i) use ($widthLeft, $lengthLeft, $depthLeft) {
267	27	return $i->getWidth() <= $widthLeft && $i->getLength() <= $lengthLeft && $i->getDepth() <= $depthLeft;
268	27	});
269
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		* @param ItemList $packedItems
277		* @param OrientatedItem $prevItem
		0 ignored issues – show Documentation introduced 2017-01-07 19:45 UTC by Report Bug Copy Issue Report Should the type for parameter `$prevItem` not be `null\|OrientatedItem`? This check looks for `@param` annotations where the type inferred by our type inference engine differs from the declared type. It makes a suggestion as to what type it considers more descriptive. Most often this is a case of a parameter that can be null in addition to its declared types. Loading history...
278		* @param Item $nextItem
		0 ignored issues – show Documentation introduced 2017-01-07 19:45 UTC by Report Bug Copy Issue Report Should the type for parameter `$nextItem` not be `null\|Item`? This check looks for `@param` annotations where the type inferred by our type inference engine differs from the declared type. It makes a suggestion as to what type it considers more descriptive. Most often this is a case of a parameter that can be null in addition to its declared types. Loading history...
279		* @param int $maxWidth
280		* @param int $maxLength
281		* @param int $maxDepth
282		*/
283	27	protected function tryAndStackItemsIntoSpace(ItemList $packedItems, OrientatedItem $prevItem = null, Item $nextItem = null, $maxWidth, $maxLength, $maxDepth)
284		{
285	27	while (!$this->items->isEmpty() && $this->remainingWeight >= $this->items->top()->getWeight()) {
286	25	$stackedItem = $this->findBestOrientation($this->items->top(), $prevItem, $nextItem, $maxWidth, $maxLength, $maxDepth);
287	25	if ($stackedItem) {
288	1	$this->remainingWeight -= $this->items->top()->getWeight();
289	1	$maxDepth -= $stackedItem->getDepth();
290	1	$packedItems->insert($this->items->extract());
291	1	} else {
292	25	break;
293		}
294	1	}
295	27	}
296
297		/**
298		* @param int $layerWidth
299		* @param int $layerLength
300		* @param int $layerDepth
301		* @return bool
302		*/
303	23	protected function isLayerStarted($layerWidth, $layerLength, $layerDepth) {
304	23	return $layerWidth > 0 && $layerLength > 0 && $layerDepth > 0;
305		}
306		}
307

dvdoug / BoxPacker

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VolumePacker::findBestOrientation() B

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