cellDoorOpened = false
walkinCellFinished = false
cellExitReached = false
exitReached = false
hangarReached = false
spaceShipReached = false
spaceShipEntered = false

randTime = 0

function setCellDoor(timestep)
cellDoorOpened = true
return true
end


function walkInCell(timestep)

if cellDoorOpened then

if randTime == 0 then
randTime = 30 * math.random()
else
randTime = randTime - timestep
end

if randTime < 0 then
-- goto cellexit
-- if exit reached: return true
end 

end


return false

end



function goToExit(timestep)
-- do not forget to make him wait until the player triggeres the trip to the hangar

return false
end


function goToHangar(timestep)


return false

end


function goToSpaceship(timestep)

return false

end


function enterSpaceship(timestep)

return false
end



function tick(timestep)

--io.write("Prisoner called \n")

if not cellDoorOpend then
walkinCellFinished = walkInCell(timestep)
end

if walkinCellFinished and not exitReached then
exitReached = goToExit(timestep)
end

if exitReached and not hangarReached then
hangarReached = goToHangar(timestep)
end

if hangarReached and not spaceShipReached then 
spaceShipReached = goToSpaceship(timestep)
end

if spaceShipReached and not spaceShipEntered then
spaceShipEntered = enterSpaceship(timestep)
end

if spaceShipEntered then
return true
end

return false
end