Turtle miner?

--define--
x = 0
y = 0
z = 0
tx = 0
ty = 0
tz = 0
mx = 0
my = 0--mvariables are used for orientation during mining--
mz = 0
rx = 0
ry = 0 --rvariables is where the turtle goes after its done working--
rz = 0
height = 0
rotation = 1 --North = 1 (default), East = 2, South = 3, West = 4--
depositChest = 2
refuelChest = 4
usingEnderchest = false -- set to true if you are using an enderchest for depositing--
refuelTimes = 0
fuelMultiplier = 15 --default value for wooden planks--
jobs = 0
Mr = rotation
----------

--functions--
function rotate(w)
  if (rotation == 1 and w == 4) or (rotation == w + 1) then
    turtle.turnLeft()
    rotation = rotation - 1
    if rotation == 0 then
        rotation = 4
    end
  end
    while rotation ~= w do
        rotation = rotation + 1
        turtle.turnRight()
            if rotation == 5 then
                rotation = 1
            end
    end
end




function LoadCoords()
  file = fs.open("/disk/info.lua","r")
  x = tonumber(file.readLine())
  y = tonumber(file.readLine())
  z = tonumber(file.readLine())
  tx = tonumber(file.readLine())
  ty = tonumber(file.readLine())
  tz = tonumber(file.readLine())
  area = tonumber(file.readLine())
  height = tonumber(file.readLine())
  file.close()
end

function SaveCoords() --takes a job and changes it so other turtles doesn't mine the same stuff--
  file = fs.open("/disk/info.lua","w")
  file.writeLine(x)
  file.writeLine(y)
  file.writeLine(z)
  file.writeLine(tx+area)
  file.writeLine(ty)
  file.writeLine(tz)
  file.writeLine(area)
  file.writeLine(height)
  file.close()
end

function Refuel()

  for i = 1, 2 do
    if x > tx then
      fuelx = (x - tx) + mx
    else
      fuelx = (tx - x) + mx
    end

    if y > ty then
      fuely = (y - ty) + my
    else
      fuely = (ty - y) + my
    end

    if z > tz then
      fuelz = (z - tz) + mz
    else
      fuelz = (tx - x) + mz
    end

  if (refuelTimes == 0)then
    refuelAmount = fuelx+fuely+fuelz+(area*area*ty) - turtle.getFuelLevel()
  else
    refuelAmount = fuelx+fuely+fuelz - turtle.getFuelLevel()
  end

  refuelTimes = refuelTimes + 1

  rotate(4)
  turtle.select(2)

  while (math.ceil((refuelAmount/fuelMultiplier)) > 64) do
    turtle.suck(64)
    turtle.refuel(64)
    refuelAmount = fuelx+fuely+fuelz - turtle.getFuelLevel()
  end

  if (math.ceil((refuelAmount/fuelMultiplier)) < 64) and math.ceil((refuelAmount/fuelMultiplier)) > 0 then
    turtle.suck(math.ceil((refuelAmount/fuelMultiplier)))
    turtle.refuel(math.ceil((refuelAmount/fuelMultiplier)))
    refuelAmount = fuelx+fuely+fuelz - turtle.getFuelLevel()
  end
  end
  rotate(1)
end



-- proper use of these are Go(from, to)--

function GoX(cx,gx)

    if cx > gx then
        rotate(4)
            for i = cx, gx + 1, -1 do
              turtle.dig()
              turtle.forward()
            end
    elseif cx < gx then
        rotate(2)
            for i = cx, gx - 1 do
              turtle.dig()
              turtle.forward()
            end

    end
end

function GoY(cy,gy)

    if cy > gy then
     for i = cy, gy + 1, -1 do
         turtle.digDown()
         turtle.down()
     end
    elseif cy < gy then
     for i = cy, gy - 1  do
        turtle.digUp()
         turtle.up()
     end
    end
end

function GoZ(cz,gz)
    if cz > gz then
     rotate(1)
     for i = cz, gz+1, -1 do
       turtle.dig()
       turtle.forward()
     end
    elseif cz < gz then
     rotate(3)
     for i = cz, gz - 1 do
      turtle.dig()
      turtle.forward()
     end
    end
end

function fromM()
  Mr = rotation
  rotate(1)
  GoY(ty-my,height)
  GoX(tx+mx,x)
  GoZ(tz+mz,z)
  GoY(height,y)
end

function toM()
  rotate(1)
  GoY(y,height)
  GoX(x,tx+mx)
  GoZ(z,tz+mz)
  GoY(height,ty-my)
  rotate(Mr)
end






function Drop()
  rotate(depositChest)
  for i = 1, 16 do
    turtle.select(i)
    turtle.drop(64)
  end
end

function inventoryCheck()
  if turtle.getItemCount(16) > 0 then
    if usingEnderchest == true then
       turtle.select(1)
       turtle.placeUp()
       for i = 1, 16 do
         turtle.select(i)
         turtle.drop(64)
       end
       turtle.select(1)
       turtle.digUp()
    else
      fromM()
      Drop()
      Refuel()
      toM()
    end
 end
end




function MineFloor()
  for i = 0, ty-1 do
    GoX(tx+mx,tx)
    GoZ(tz+mz,tz)
    inventoryCheck()
    turtle.digDown()
    turtle.down()
      for x = 0, area do
          while turtle.detect() == true do
            inventoryCheck()
            if turtle.dig() == false then
              fromM()
              newJob()
            end
          end
          turtle.forward()
      end
      for b = 0, area-1 do
        if rotation == 1 then
          rotate(2)
          inventoryCheck()
          turtle.dig()
          turtle.forward()
          rotate(3)
        elseif rotation == 3 then
          rotate(2)
          inventoryCheck()
          turtle.dig()
          turtle.forward()
          rotate(1)
        end
      end
  end
end


function newJob()
  LoadCoords()
  SaveCoords()
  Drop()
  Refuel()
  Mr = 1
  mx = 0
  mz = 0
  my = 0
  toM()
  for u = 1, ty-1 do
    MineFloor()
  end
  fromM()
  Drop()
  jobs = jobs + 1
end
-------------

--main--
while jobs < 3  do
  newJob()
end
tx = rx
tz = rz
ty = ry
Refuel()
toM()