Thanks subscribe for the epic minigame.....we relase it on the weekend:D

The T flip-flop (the weird redstone thing with a lot of torches and repeaters) changes the signal output to the
doors if the bud switch detects when the dirt block updates..(grass growht....if the piston is open water will flow on grass block and the grass block will transform into a dirt block,and if the piston is closed[day] grass will grow on the dirt block.)Sorry for my english i hope you can understand it :)

It doesn't fully work but who is it possible ? what is the logic behind it ?