waller2.0

local t = turtle

local function reSupply()
    t.select(15)
    t.turnLeft()
    t.dig()
    t.place()

    for i = 9, 14, 1 do
        t.select(i)
        t.suck()
    end

    t.select(15)
    t.dig()
    t.turnRight()
end


local function clearInventory()

        t.select(16)
        t.turnRight()
        t.dig()
        t.place()

        for i = 1, 15, 1 do       -- selects all slots and places in chest
                t.select(i)
                t.drop()
    end

        t.select(16)
        t.dig()
        t.turnLeft()
end

local function matCheck()

    for i = 9, 14, 1 do

        itemCount = t.getItemCount(i)
        t.select(i)
        if itemCount > 0 then

        break end

        if t.getItemCount(14) == 0 then
        reSupply()
        end
    end
end

local function goingUp()

    blockAbove = false

    repeat

    itemCount = t.getItemCount(8)
        if itemCount > 0 then
            clearInventory()
    end

    matCheck()
    t.dig()
    t.place()
    t.up()

    if t.detectUp() then
        blockAbove = true
    end

    until blockAbove == true
end

local function topDown()

    itemCount = t.getItemCount(16)
        if itemCount > 0 then
            clearInventory()
    end

    matCheck()
    t.dig()
    t.place()
    t.turnRight()
    t.forward()
    t.turnLeft()
end

local function goingDown()

    blockBelow = false

    repeat

    itemCount = t.getItemCount(8)
    if itemCount > 0 then
            clearInventory()
    end

    matCheck()
    t.dig()
    t.place()
    t.down()

    if t.detectDown() then
        blockBelow = true
    end

    until blockBelow == true
end

local function bottomUp()

    itemCount = t.getItemCount(8)
        if itemCount > 0 then
            clearInventory()
    end

    matCheck()
    t.dig()
    t.place()
    t.turnRight()
    t.forward()
    t.turnLeft()
end

local function keepGoing()

    t.turnRight()
    flag = false

    if t.detect() then
    flag = true
    end

    t.turnLeft()
    return flag
end

local function wallDown()
    for i = 0, 63, 1 do
        t.dig()
        t.forward()

        for j = 0, 64, 1
            t.digDown()
            t.down()

        end
        clearInventory()

        t.dig()
        t.forward()
        for j = 0, 64, 1 do
            t.digUp()
            t.up()
        end
        clearInventory()
    end
end

wallDown()
end