pocketmine\block\RedstoneTorch::onUpdate PHP Метод

    public function onUpdate($type)
    {
        $faces = [1 => 4, 2 => 5, 3 => 2, 4 => 3, 5 => 0, 6 => 0, 0 => 0];
        if ($type === Level::BLOCK_UPDATE_NORMAL) {
            $below = $this->getSide(0);
            $side = $this->getDamage();
            if ($this->getSide($faces[$side])->isTransparent() === true and !($side === 0 and ($below->getId() === self::FENCE or $below->getId() === self::COBBLE_WALL))) {
                $this->getLevel()->useBreakOn($this);
                return Level::BLOCK_UPDATE_NORMAL;
            }
            $this->activate([$faces[$side]]);
        }
        if ($type == Level::BLOCK_UPDATE_SCHEDULED) {
            if ($this->id == self::UNLIT_REDSTONE_TORCH) {
                $this->turnOn($this->ignore);
            } else {
                $this->turnOff($this->ignore);
            }
            return Level::BLOCK_UPDATE_SCHEDULED;
        }
        return false;
    }