pocketmine\block\Observer::onUpdate PHP Метод

    public function onUpdate($type, $fromBlock = NULL)
    {
        if ($type == Level::BLOCK_UPDATE_NORMAL) {
            if ($fromBlock != NULL) {
                $this->onUpdateRecieve(self::TYPE_BLOCK_OBJECT, $fromBlock);
            }
        }
        if ($type === Level::BLOCK_UPDATE_SCHEDULED) {
            if ($this->currentStatus != self::STATUS_IS_DEACTIVATED) {
                if ($this->currentStatus == self::STATUS_IS_ACTIVATED) {
                    $this->getLevel()->setRedstoneUpdate($this->getOutputBlock(), Block::REDSTONEDELAY, Level::REDSTONE_UPDATE_BLOCK, Block::REDSTONESOURCEPOWER);
                    $this->currentStatus = self::STATUS_QUED_FOR_DEACTIVATION;
                    $this->getLevel()->scheduleUpdate($this, 2);
                } elseif ($this->currentStatus == self::STATUS_QUED_FOR_DEACTIVATION) {
                    $this->currentStatus = self::STATUS_IS_DEACTIVATED;
                    $this->getLevel()->setRedstoneUpdate($this->getOutputBlock(), Block::REDSTONEDELAY, Level::REDSTONE_UPDATE_BLOCK, 0);
                }
            }
        }
    }