pocketmine\level\generator\object\SpruceTree::placeObject PHP Метод

    public function placeObject(ChunkManager $level, $x, $y, $z, Random $random)
    {
        $this->treeHeight = $random->nextBoundedInt(4) + 6;
        $topSize = $this->treeHeight - (1 + $random->nextBoundedInt(2));
        $lRadius = 2 + $random->nextBoundedInt(2);
        $this->placeTrunk($level, $x, $y, $z, $random, $this->treeHeight - $random->nextBoundedInt(3));
        $radius = $random->nextBoundedInt(2);
        $maxR = 1;
        $minR = 0;
        for ($yy = 0; $yy <= $topSize; ++$yy) {
            $yyy = $y + $this->treeHeight - $yy;
            for ($xx = $x - $radius; $xx <= $x + $radius; ++$xx) {
                $xOff = abs($xx - $x);
                for ($zz = $z - $radius; $zz <= $z + $radius; ++$zz) {
                    $zOff = abs($zz - $z);
                    if ($xOff === $radius and $zOff === $radius and $radius > 0) {
                        continue;
                    }
                    if (!Block::$solid[$level->getBlockIdAt($xx, $yyy, $zz)]) {
                        $level->setBlockIdAt($xx, $yyy, $zz, $this->leafBlock);
                        $level->setBlockDataAt($xx, $yyy, $zz, $this->type);
                    }
                }
            }
            if ($radius >= $maxR) {
                $radius = $minR;
                $minR = 1;
                if (++$maxR > $lRadius) {
                    $maxR = $lRadius;
                }
            } else {
                ++$radius;
            }
        }
    }