variables:
	{lowienie.%player%} = false

on rightclick with fishing rod:
	{lowienie.%player%} is false:
		set {lowienie.%player%} to true
	else:
		set {lowienie.%player%} to false

every 0.3 second:
	loop all players:
		{lowienie.%loop-player%} is true:
			loop-player's tool isn't fishing rod:
				set {lowienie.%player%} to false