makewalls.lua

args = {...}
local start = tonumber(args[1])
local steps = tonumber(args[2])
local depth = tonumber(args[3])
local width = tonumber(args[4])

local consume = steps * (depth + width) * 2
if turtle.getFuelLevel() < consume then
  turtle.select(1)
  turtle.refuel(math.floor(consume/80)+1)
end
local fuel = turtle.getFuelLevel()
print("fuel:"..tostring(fuel))

local function GetBlocks(z)
  for i=1,z do
    turtle.down()
  end
  turtle.turnLeft()
  for i=1,3 do
    turtle.forward()
  end
  turtle.turnRight()
  turtle.suck()
  turtle.turnLeft()
  for i=1,3 do
    turtle.back()
  end
  turtle.turnRight()
  for i=1,z do
    turtle.up()
  end
end

local function PutLine(wl)
  for i=1, tonumber(wl) do
    if not turtle.detectDown() then
      print("place")
      turtle.placeDown()
    else
      print("skip")
    end
    turtle.forward()
  end
end

local function MakeWall(d, w)
  PutLine(d)
  turtle.turnRight()
  PutLine(w)
  turtle.turnRight()
  PutLine(d)
  turtle.turnRight()
  PutLine(w)
  turtle.turnRight()
end

local cz = 0
turtle.select(2)
for i=1,start-1 do
  turtle.up()
  cz = cz + 1
end
for i=1,steps do
  if turtle.getItemCount() < (depth + width) * 2 then
    GetBlocks(cz)
  end
  turtle.up()
  cz = cz + 1
  turtle.forward()
  MakeWall(depth, width)
  turtle.back()
end
for i=1,cz do
  turtle.down()
end