mainProg

sendID, msg, prot = rednet.receive()

function move(direction)
  if direction == "up" then

    while turtle.up() == false do
      turtle.digUp()
      turtle.attackUp()
    end

  elseif direction == "down" then

    while turtle.down() == false do
      turtle.digDown()
      turtle.attackDown()
    end

  elseif direction == "forward" then

    while turtle.forward() == false do
      turtle.dig()
      turtle.attack()
    end
  end
end

if msg[1] == "cube" then

  frontBlocks = msg[2]
  rightBlocks = msg[3]
  upBlocks = msg[4]

  turtle.dig()
  move("forward")

  function line()
    for i=1,frontBlocks -1 do
      turtle.dig()
      move("forward")
    end
  end

  function panel()
    line()
    for i=1,upBlocks -1 do
      turtle.digUp()
      move("up")
      turtle.turnRight()
      turtle.turnRight()
      line()
    end
  end

  function turn()
    turtle.turnLeft()
    turtle.dig()
    turtle.select(1)
    turtle.place()

    for i=1,16 do
      turtle.select(i)
      turtle.drop()
    end

    turtle.select(1)
    turtle.dig()
    move("forward")
    turtle.turnLeft()
  end

  function cuboid()
    panel()
    m = 0
    for i=1,rightBlocks -1 do
      m = m + 1
      if m == 1 and upBlocks%2 == 1 then
        m = 0
        turtle.turnRight()
        turtle.turnRight()
        for i=1,frontBlocks - 1 do
          move("forward")
        end
        for i=1,upBlocks - 1 do
          move("down")
        end
        turn()
        panel()
      elseif math.fmod(upBlocks,2) ~= 1 then
        turtle.turnLeft()

        for i=1,upBlocks - 1 do
          move("down")
        end

        turtle.dig()
        move("forward")
        turtle.turnLeft()
        panel()

      end
    end
  end

  cuboid()
  if math.fmod(upBlocks,2) ~= 1 then
    turtle.turnRight()
    for i=1,upBlocks - 1 do
      move("down")
    end

    for i=1,rightBlocks - 1 do
      move("forward")
    end
  else
    turtle.turnRight()
    turtle.turnRight()

    for i=1,frontBlocks - 1 do
      move("forward")
    end

    turtle.turnRight()

    for i=1,upBlocks - 1 do
      move("down")
    end

    for i=1,rightBlocks - 1 do
      move("forward")
    end
  end

  turtle.turnLeft()
  turtle.dig()
  turtle.select(1)
  turtle.place()

  for i=1,16 do
    turtle.select(i)
    turtle.drop()
  end
  turtle.select(1)
  turtle.dig()


elseif msg[1] == "tree" then
  move("forward")

  moved = 0

  while turtle.digUp() == true do
    move("up")
    moved = moved + 1
  end

  while moved > 0 do
    move("down")
    moved = moved - 1
  end

elseif msg[1] == "move" then
  moveBlocks = msg[3]

  while moveBlocks > 0 do
    if msg[2] == "up" then
      move("up")

    elseif msg[2] == "down" then
      move("down")

    elseif msg[2] == "forward" then
      move("forward")

    end
  end
end