Turtle return Completed

print("Direwolf20's 9x9 House builder")
print("Slots 1-3 = Walls (?? Stacks)")
print("Slot 4 = Floor (?? blocks)")
print("Slot 5 = Ceiling Middle (?? blocks)")
print("Slot 6 = Glass (16 blocks)")





local function checkCount(slot)
    if turtle.getItemCount(slot) == 0 then
        slot = slot + 1
        turtle.select(slot)
        return slot
    end
    return slot
end

local function tryRefuel(slot)
    if turtle.getFuelLevel() <= 5 then
        turtle.select(16)
        turtle.refuel(4)
        turtle.select(slot)

    end
end

local function floor(slot)
--Does 4 passes.  One up and one down for 8 rows.
--Leaves the 9th row empty to start the walls
    turtle.select(slot) --Selects cobble for floor
    for j = 0, 3 do
        for i = 0, 8 do --Does one row up and another back
            tryRefuel(slot)
            slot = checkCount(slot)
            turtle.placeDown()
            turtle.forward()
        end
        turtle.turnRight()
        turtle.forward()
        turtle.turnRight()
        turtle.forward()
        for i = 0, 8 do
            tryRefuel(slot)
            slot = checkCount(slot)
            turtle.placeDown()
            turtle.forward()
        end
        turtle.turnLeft()
        turtle.forward()
        turtle.turnLeft()
        turtle.forward()
    end
    return(slot)

end

local function walls(slot)
--Starts on the last row of the floors as the first wall

    for j = 0, 8 do
        --places 6 blocks up on the first wall missing the floor
        for i = 0, 6 do
            tryRefuel(slot)
            slot = checkCount(slot)
            turtle.placeDown()
            turtle.up()
        end
        turtle.forward()
        for i = 0, 6 do
            tryRefuel(slot)
            slot = checkCount(slot)
            turtle.down()
        end
    end
    -- places it back onto the floor for the second wall.
    -- possibly loop this twice and finish with a seperate door piece?
    for k = 0, 1 do
        turtle.turnLeft()
        turtle.forward()
        turtle.turnLeft()
        turtle.forward()
        turtle.turnRight()
        for j = 0, 7 do
            --places 5 blocks up from the floor
            for i = 0, 6 do
                tryRefuel(slot)
                slot = checkCount(slot)
                turtle.placeDown()
                turtle.up()
            end
            turtle.forward()
            for i = 0, 6 do
                tryRefuel(slot)
                slot = checkCount(slot)
                turtle.down()
            end
        end
    end
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    --Last wall with the door does a column of 3 then a door then repeats
            for j = 0, 2 do
                --places 5 blocks up from the floor
                for i = 0, 6 do
                    tryRefuel(slot)
                    slot = checkCount(slot)
                    turtle.placeDown()
                    turtle.up()
                end
                turtle.forward()
                for i = 0, 6 do
                    tryRefuel(slot)
                    slot = checkCount(slot)
                    turtle.down()
                end
            end
            ---------------------
            --Door is placed here
            turtle.up()
            turtle.up()
            ---------------------
            for i = 0, 4 do
                    tryRefuel(slot)
                    slot = checkCount(slot)
                    turtle.placeDown()
                    turtle.up()
                end
                turtle.forward()
                for i = 0, 6 do
                    tryRefuel(slot)
                    slot = checkCount(slot)
                    turtle.down()
                end


            --Finished out the row of columns
            for j = 0, 2 do
                --places 5 blocks up from the floor
                for i = 0, 6 do
                    tryRefuel(slot)
                    slot = checkCount(slot)
                    turtle.placeDown()
                    turtle.up()
                end
                turtle.forward()
                for i = 0, 6 do
                    tryRefuel(slot)
                    slot = checkCount(slot)
                    turtle.down()
                end
            end

    end

local function roof(slot)
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
    print("enter loop")
    for j = 0, 2 do
        for i = 0, 8 do
            tryRefuel(slot)
            slot = checkCount(slot)
            turtle.placeDown()
            print("place down")
            turtle.forward()
            print("forward")
        end
        turtle.turnRight()
        turtle.forward()
        turtle.turnRight()
        for i = 0, 8 do
            tryRefuel(slot)
            slot = checkCount(slot)
            turtle.placeDown()
            turtle.forward()
        end
        turtle.turnLeft()
        turtle.forward()
        turtle.turnLeft()
    end
    for i = 0, 8 do
            tryRefuel(slot)
            slot = checkCount(slot)
            turtle.placeDown()
            turtle.forward()
    end

end

--Control Section
--Starts with slot 1 for cobble
local function control()
    slot = 1
    tryRefuel(slot)
    slot = checkCount(slot)
--  turtle.up()
--  floor(slot)
--  walls(slot)
    roof(slot)
end

control()