CC Minecraft - Turtle Clearing Program WIP

local tArgs = {...}
local direction = 1 -- 0 = forward, 1 = back

--[[
    Add saving functionality
]]

if #tArgs < 1 then
    printError("Needs Arguments")
    printError("quarry [x][y][z]")
    return
end

function fuel()
    if turtle.getFuelLevel() < 10 then
        turtle.select(16)
        turtle.refuel(1)
        turtle.select(1)
    end
    if turtle.getItemCount(16) < 1 then
        print("turtle requires fuel and will resume after")
        repeat

        until turtle.getItemCount(16) > 10
        fuel()
    end

end

function tr()
    turtle.turnRight()
end

function tl()
    turtle.turnLeft()
end

function fwd()
    fuel()
    while not turtle.forward() do turtle.dig() end
end

function toggleDir()
    if tonumber(direction) == 0 then
        direction = 1
        print("facing backward")
    elseif tonumber(direction) == 1 then
        direction = 0
        print("facing forward")
    end
end

function getDirection()
    if direction == 0 then
        return "forward"
    elseif direction == 1 then
        return "back"
    end
end

local length = tonumber(tArgs[3]) -- z axis from turtle facing forward
local height = tonumber(tArgs[2]) -- starts from the top
local width = tonumber(tArgs[1]) -- starts from the left

-- implement saving and loading function here

-- starts on the top left of placement of turtle in the forward direction


for x = 1, width do
    for y = 1, height do
        for z = 1, length - 1 do
            fwd()
        end
        -- end of z access run
        if y < height then
            turtle.digDown()
            tl()
            tl()
            turtle.down()
        end
        if y % 2 == 0 then
            direction = 1
        else
            direction = 0
        end
    end

    for y = 1, height do
        turtle.up()
        fuel()
    end

    -- if ends in forward direction
    if direction == 0 then
        for i = 1, length - 1 do
            fuel()
            turtle.back()
        end
        tr()
        fwd()
        tl()
    end

    if direction == 1 then
        return
    end

end