pocketmine\item\Leash::onActivate PHP Метод

    public function onActivate(Level $level, Player $player, Block $block, Block $target, $face, $fx, $fy, $fz)
    {
        if (!$target instanceof Fence) {
            return false;
        }
        foreach ($level->getChunkEntities($target->x >> 4, $target->z >> 4) as $entity) {
            if ($entity->isLeashed()) {
                if ($entity->leadHolder === $player->getId()) {
                    $nbt = new CompoundTag("", ["Pos" => new ListTag("Pos", [new DoubleTag("", $block->getX() + 0.5), new DoubleTag("", $block->getY()), new DoubleTag("", $block->getZ() + 0.5)]), "Motion" => new ListTag("Motion", [new DoubleTag("", 0), new DoubleTag("", 0), new DoubleTag("", 0)]), "Rotation" => new ListTag("Rotation", [new FloatTag("", lcg_value() * 360), new FloatTag("", 0)])]);
                    $level->addEntity($knot = new LeashKnot($level->getChunkAt($target->x >> 4, $target->z >> 4), $nbt));
                    $entity->setLeashHolder($knot);
                }
            }
        }
    }