farminer2

-- hello!
-- 15 szeles
-- 4 magas
-- ez mar epit is, nem csak as
-- kezdes: baloldalt legszelen
-- nem a dirt szinten, hanem felette
-- asas iranyaba nezve
-- arg: len

tArgs = { ... }

if (#tArgs ~= 1) then
  print("Usage: farminer [length]")
  return
end

print("Running xXx EpiC F4rmIn3r xXx 18000!!!")

target_length = tArgs[1]
target_floor = "minecraft:dirt"
target_wall = "minecraft:cobblestone"
target_roof = "minecraft:glass"

function check_refuel()

  if turtle.getFuelLevel() < 10 then
   local stash = turtle.getSelectedSlot()
   select_block("minecraft:coal")

   if not turtle.refuel(1) then
     error("failed to refuel")
   else
     print("Refueld")
   end

   turtle.select(stash)

  end

end

function select_block(_name)

  for i=1,16 do

    local slot_data = turtle.getItemDetail(i)

    if slot_data then

      if (slot_data.name == _name) then
        turtle.select(i)
        return
      end

    end

  end

  error("out of: " .. _name)

end


function do_line_down(len,top)

  for i=1,len do

    if i < len then
     if turtle.detect() then
      turtle.dig()
     end
    end

    if top then

      local skip_roof = false
      local is_top,top_data = turtle.inspectUp()

      if is_top then

        if top_data and top_data.name == target_roof then
          skip_roof = true
        else
          turtle.digUp()
        end


      end

      if not skip_roof then
        select_block(target_roof)
        turtle.placeUp()
      end


    else -- top
    -- this is bottom

      local water_hole = ((i == 5) or (i == 11))

      local skip_floor = false

      local is_down,down_data = turtle.inspectDown()

      if is_down then

       if (down_data) and (down_data.name == target_floor) then
        skip_floor = true
       else
        turtle.digDown()
       end

      end

      if not water_hole then

       if (not skip_floor) then
         select_block(target_floor)
         turtle.placeDown()
       end

      else -- put cobblestone

       turtle.digDown()
       turtle.down()
       check_refuel()
       select_block(target_wall)
       turtle.placeDown()
       turtle.up()
       check_refuel()

      end


    end -- not top

    if i < len then
     turtle.forward()
    end

    check_refuel()

    sleep(0.1)
  end


end

function do_wall()
  select_block(target_wall)
  turtle.dig()
  turtle.place()
end

-- Main

turtle.turnRight()

for j=1,target_length do


  do_line_down(15,false) -- bottom
  -- arrived right

  -- wall elemet
  do_wall()

  -- go up

  turtle.digUp()
  turtle.up()
   check_refuel()

  -- another wall element

  do_wall()

  -- move up

  turtle.digUp()
  turtle.up()
   check_refuel()

  -- wall
  do_wall()

  -- turn around
  turtle.turnLeft()
  turtle.turnLeft()

  -- roof
  do_line_down(15,true) -- top
  -- arrived left

  --wall
  do_wall()

  -- go down
  turtle.digDown()
  turtle.down()
   check_refuel()

  -- wall
  do_wall()

  -- down
  turtle.digDown()
  turtle.down()
   check_refuel()

  -- last wall piece
   do_wall()

  -- next layer
  turtle.turnRight()
  turtle.dig()
  turtle.forward()
   check_refuel()
  turtle.turnRight()

end

turtle.turnLeft()

print("Done farmining")