mine

os.loadAPI("move")

-- Functions --

function reset()
  move.reset()
  move.store("initialize", "false")
end

function dig()
  while turtle.detect() do
    turtle.dig()
  end
  while turtle.detectDown() do
    turtle.digDown()
  end
  while turtle.detectUp() do
    turtle.digUp()
    sleep(0.6)
  end
end

function getType(number)
  if bit.band(number,1) == 0 then
    return "even"
  end
  return "odd"
end

function sweepLeft()
  while tonumber(location["y"])%3 == 0 and tonumber(location["x"]) < tonumber(quarry["width"])-1 do
    move.face(3)
    dig()
    move.forward()
    location = move.pull("location")
  end
  dig()
end

function sweepUp()
  while tonumber(location["y"]) < tonumber(quarry["height"]) do
    if tonumber(location["x"]) > 0 then
      move.face(1)
    else
      move.face(3)
    end
    dig()
    move.up()
    location = move.pull("location")
    if tonumber(location["y"])%3 == 0 then
      dig()
      move.forward()
      location = move.pull("location")
      break
    end
  end
end

function sweepRight()
  while tonumber(location["x"]) > 0 do
    move.face(1)
    dig()
    move.forward()
    location = move.pull("location")
  end
  dig()
end

function sweepForward()
  if tonumber(location["y"]) == tonumber(quarry["height"]) then
    move.face(0)
    dig()
    move.forward()
    location = move.pull("location")
  end
end

-- Program --

if not fs.exists("data/initialize") then
  handle = fs.open("data/initialize", "w")
  handle.write("false")
  handle.close()
end

handle = fs.open("data/initialize", "r")
local initialize = handle.readAll()

if initialize == "true" then
  print("quarry already started")
else
  print("Quarry initializing now...")

  reset()

  term.clear()
  term.setCursorPos(1,1)
  term.write("Welcome to tompy Mine")

  local quarry = {}

  term.setCursorPos(1,3)
  term.write("Quarry Width: ")
  quarry["width"] = read()

  term.setCursorPos(1,4)
  term.write("Quarry Height: ")
  quarry["height"] = read()

  term.setCursorPos(1,5)
  term.write("Quarry Depth: ")
  quarry["depth"] = read()

  move.store("quarry", quarry)

  move.store("initialize", true)

  local mineLocation = {x = 0, y = 0, z = 1}
  move.store("mineLocation", mineLocation)
end

location = move.pull("location")
quarry = move.pull("quarry")
mineLocation = move.pull("mineLocation")

move.display()

while  tonumber(location["z"]) < tonumber(quarry["depth"]) + 1 do
  sweepLeft()
  sweepUp()
  sweepRight()
  sweepUp()
  sweepForward()
end