tunnel10

--tunnel10



        --VARIABLES
        --CobblestoneCounter
                cslot = 1
                turtle.select(cslot)

        --FUNCTIONS

        -- Ensure turtle goes up
        function goUp()
                while not turtle.up() do
                        upDig()
                end
        end

        --Ensure turtle goes down
        function goDown()
                while not turtle.down() do
                        downDig()
                end
        end

        -- Ensure turtle moves forward
        function goForward()
                while not turtle.forward() do
                        forwardDig()
                end
        end

        -- Dig forward
        function forwardDig()
                while turtle.detect() do
                        turtle.dig()
                end
        end

        -- Dig up
        function upDig()
                while turtle.detectUp() do
                        turtle.digUp()
                end
        end

        -- Dig Down
        function downDig()
                turtle.digDown()
        end

        --Place Cobblestone Below
        function placeCobblestoneDown()
                turtle.select(cslot)
                turtle.placeDown()
                CounterCobblestone()
        end

        --Place Cobblestone Regularly
        function placeCobblestone()
                turtle.select(cslot)
                turtle.place()
                CounterCobblestone()
        end

        --Place Cobblestone Above
        function placeCobblestoneUp()
                turtle.select(cslot)
                turtle.placeUp()
                CounterCobblestone()
        end

        --Counts stacks of cobble
        function CounterCobblestone()
                while turtle.getItemCount(cslot) < 1 do
                        cslot = (cslot%13)+1
                end
        end

        --Place Cobblestone Below and then move forward
        function CobbleDForward()
                placeCobblestoneDown()
                goForward()
        end


--Clearing our 3x1 section for tunnel

function UpandDown()
    turtle.digUp()
    turtle.digDown()
end

-- Variables, X is movement, Y is slot, Z is usage of slot
x=0
y=1
z=0
turtle.select(y)
goUp()
goUp()
goUp()
-- We need to build a ceiling to avoid floods
while x < 10
if not turtle.detectUp()
turtle.placeUp()
goForward()
z=z+1
else
sleep(.1)
goForward()
end
x=x+1
end
end
while x > 0
turtle.back()
goDown()
goDown()
goDown()
x=0
turtle.up()
while x < 10 do
 goForward()
    UpandDown()
x +1
end

while x > 0  do
turtle.back()
end
turtle.down()