Digger.NET

xCord, yCord, zCord, blockcount, xDCord, yDCord, zDCord = 0,0,0,0,1,1,1;

local function setxyz()
  print("Warning if you enter values greater than 64 errors are possible");
  io.write("Input X (Forward): ");
  xCord = io.read();
  io.write("Input Z (Right): ");
  zCord = io.read();
  io.write("Input Y (UP): ");
  yCord = io.read();
  print("The expected number of blocks: "..(xCord * yCord * zCord));
  blockcount = xCord * yCord * zCord;
end

local function checkFuel()
  if (turtle.getFuelLevel() <= 10) then
    repeat
      io.write("Plase any fuel in grid and press any button");
      io.read();
      turtle.refuel("all");
    until turtle.getFuelLevel() > 10
  end
  print("Fuel level: "..turtle.getFuelLevel());
end

local function digingUP()
  for y = 1, yCord - 1 do
    yDCord = y;
    turtle.digUp();
    blockcount = blockcount -1;
    while turtle.up() == false do
      turtle.digUp();
      turtle.attackUp();
      checkFuel();
    end
    checkFuel();
    print(blockcount);
    print(xDCord.."--"..yDCord.."--"..zDCord);
  end
end

local function digingDown()
  for y = 1, yCord - 1 do
    yDCord = yDCord - 1;
    turtle.digDown();
    blockcount = blockcount -1;
    while turtle.down() == false do
      turtle.digDown();
      turtle.attackDown();
      checkFuel();
    end
    checkFuel();
    print(blockcount);
    print(xDCord.."--"..yDCord.."--"..zDCord);
  end
  yDCord = 1;
  print(xDCord.."--"..yDCord.."--"..zDCord);
end

local function digingXUp()
  for x = 1, xCord do
    xDCord = x;
    if (tonumber(xDCord) == 0) then xDCord = 1; end
    if (yDCord == 1) then
      digingUP();
    else
      digingDown();
    end
    if (x <= xCord - 1) then
      turtle.dig();
      blockcount = blockcount -1;
      while turtle.forward() == false do
        turtle.dig();
        turtle.attack();
        checkFuel();
      end
      print(xDCord.."--"..yDCord.."--"..zDCord);
      checkFuel();
    end
  end
end

local function digingXDown()
  for x = 1, xCord do
    xDCord = xDCord - 1;
    if (tonumber(xDCord) == 0) then xDCord = 1; end
    if (yDCord == 1) then
      digingUP();
    else
      digingDown();
    end
    if (x <= xCord - 1) then
      turtle.dig();
      blockcount = blockcount -1;
      while turtle.forward() == false do
        turtle.dig();
        turtle.attack();
        checkFuel();
      end
      if (tonumber(xDCord) == 0) then xDCord = 1; end
      print(xDCord.."--"..yDCord.."--"..zDCord);
      checkFuel();
    end
  end
end

local function diging()
  print("Start Diging");
  if (blockcount == 0 or blockcount == 1) then
    return false;
  else
    checkFuel();
    for z = 1, zCord do
      zDCord = z;
      if (z % 2 == 0) then
        digingXDown();
        if (z < tonumber(zCord)) then
          turtle.turnLeft();
          turtle.dig();
          blockcount = blockcount -1;
          while turtle.forward() == false do
            turtle.dig();
            turtle.attack();
            checkFuel();
          end
          turtle.turnLeft()
          checkFuel();
          print(xDCord.."--"..yDCord.."--"..zDCord);
        end
      else
        digingXUp();
        if (z < tonumber(zCord)) then
          turtle.turnRight();
          turtle.dig();
          blockcount = blockcount -1;
          while turtle.forward() == false do
            turtle.dig();
            turtle.attack();
            checkFuel();
          end
          turtle.turnRight();
          checkFuel();
          print(xDCord.."--"..yDCord.."--"..zDCord);
        end
      end
    end
  end
    return true;
end

local function backToStartPosition()
  for i = 1, 16 do

  end
end

setxyz();
if (xCord == nil or yCord == nil or zCord == nil) then
  print("Error input data");
  return;
else
  diging();
  print("Fuel level: "..turtle.getFuelLevel());
  print("Done");
end