bridgeStraight

function reboot()
    slot = 1
    while turtle.getItemCount(slot) <1 do
        turtle.select(slot)
    end
end

function fuel()
    while turtle.getFuelLevel() <100 do
        for i=1,16 do
            turtle.select(i)
            turtle.refuel(2)
        end
        break
    end
end

function forward()
    turtle.forward()
end

function placeDown()
    while not turtle.detectDown() do
        turtle.select(1)
        turtle.placeDown()
    end
end

function bridge(s)
    fuel(1)
    for i=1,s,1 do
--        forward(1)
        placeDown(1)
        forward(1)
        reboot(1)
    end
end

local tArgs = {...}

function down()
    turtle.down()
end

function moveForwardDown(s)
    for i=1,s,1 do
        forward(1)
        down(1)
    end
end

function moveForwardDownPlaceDown(s)
    for i=1,s,1 do
        moveForwardDown(1)
        placeDown(1)
    end
end

function moveForwardDownPlaceDownMoveForward(s)
    for i=1,s,1 do
        moveForwardDownPlaceDown(1)
        forward(1)
    end
end

function back()
    turtle.back()
end

function bridgeStraight(s)
    for i=1,s,1 do
        bridge(tArgs[1])
        back(1)
    end
end

bridgeStraight(tArgs[2])