pocketmine\block\LitRedstoneTorch::onUpdate PHP Метод

    public function onUpdate($type)
    {
        if ($type === Level::BLOCK_UPDATE_NORMAL) {
            $below = $this->getSide(0);
            $side = $this->getDamage();
            $faces = [1 => 4, 2 => 5, 3 => 2, 4 => 3, 5 => 0, 6 => 0, 0 => 0];
            if ($this->getSide($faces[$side])->isTransparent() === true and !($side === 0 and ($below instanceof Fence or $below->getId() === self::COBBLE_WALL or $below->getId() === self::GLASS || $below instanceof Slab && ($below->meta & 0x8) === 0x8 || $below instanceof WoodSlab && ($below->meta & 0x8) === 0x8 || $below instanceof Stair && ($below->meta & 0x4) === 0x4))) {
                $this->getLevel()->useBreakOn($this);
                return Level::BLOCK_UPDATE_NORMAL;
            }
        }
    }