CCTurtleChunkMiner

local t_args = {...};
local x,y,z = tonumber(t_args[1]),tonumber(t_args[2]),tonumber(t_args[3]);
local cx, cy, cz = 1,1,1;
down = function()
  if(cy<=1)then return false; end
  cy = cy-1;
  if(turtle.detectDown())then turtle.digDown(); end
  turtle.down();
  return true;
end
up = function()
  if(cy>=y)then return false; end
  cy = cy+1;
  if(turtle.detectUp())then turtle.digUp(); end
  turtle.up();
  return true;
end
local left = function()
 -- if(cz<=1)then return false; end
  cz = cz + 1;
  turtle.turnLeft();
  if(turtle.detect())then turtle.dig(); end
  turtle.forward();
  turtle.turnLeft();
  return true;
end
local right = function()
 -- if(cz>=z)then return false; end
  cz = cz+1;
  turtle.turnRight();
  if(turtle.detect())then turtle.dig(); end
  turtle.forward();
  turtle.turnRight();
  return true;
end
forward = function()
    if(turtle.detect)then turtle.dig(); end
    if(turtle.forward())then
      cx = cx + 1;
    else
      print("Can't Move Forward");
    end
  return true;
end
while(cx<x or cz<z)do
  if(cy<y)then
    while(cy<y)do
      up();
    end
  else
    while(cy>1)do
      down();
    end
  end
  if(cx < x)then --not at end of row
    forward();
  elseif(cx==x)then
    if(cz%2==1)then right(); else left(); end
    cx = 0;
  end
  if(cx>=x and cz>=z)then
    if(cy<y)then
      while(cy<y)do
        up();
      end
    else
      while(cy>1)do
        down();
      end
    end
  end
end