quarryop

args = {...}

function checkInv()
    if turtle.getFuelLevel() ~= "unlimited" and turtle.getFuelLevel() < 10 then
		while true do
			for i = 16, 1, -1 do
				turtle.select(i)
				if turtle.getItemCount(i) >= 1 then
					turtle.refuel(1)
					return true
				end
				if turtle.getFuelLevel() > 10 then
					return true
				end
			end
			os.sleep(1)
			print("add fuel")
		end
    else
        return true
    end
end

function mine(gofwd)
  checkInv()
  if turtle.detect() and gofwd then
    turtle.dig()
  end
  if turtle.detectDown() then
    turtle.digDown()
  end
  if gofwd then
	turtle.forward()
  end
  turtle.suckDown()
end

function turn(dir)
    if dir == true then
        turtle.turnRight()
        turtle.dig()
        turtle.forward()
        turtle.turnRight()
    else
        turtle.turnLeft()
        turtle.dig()
        turtle.forward()
        turtle.turnLeft()
    end
end

function mineLayer(x, y, z)
	local dir = true
    for m = 1, y, 2 do
		for k = 1, x do
			for i = 1, z do
				if i < z then
					mine(true)
				else
					mine(false)
				end
			end
			if k < x then
				turn(dir)
				dir = not dir
			else
				turtle.turnLeft()
				turtle.turnLeft()
			end
		end
		turtle.down()
		turtle.digDown()
		turtle.down()
    end
end

mineLayer(tonumber(args[1]),tonumber(args[2]),tonumber(args[3]))