3d printer (unfinished)

-- #深夜のComputerCrafting60分一本勝負
-- お題：　「turtle.inspect()」または「turtle.getItemDetail()」を使ったプログラム
-- 2015/01/31 23:15スタート by kssr3951
-- 残業20分＆リタイヤ
-- ----------------------------------------
-- utility
-- ----------------------------------------
local DEBUG_FILE_NAME = "scaanner_data.txt"
local function fileReadAll(filePath)
  local hFile = fs.open(filePath, "r")
  local txt = hFile.readAll()
  hFile.close()
  return txt
end
local function debug(txt)
  local hFile
  if fs.exists("debug.txt") then
    hFile = fs.open("debug.txt", "a");
  else
    hFile = fs.open("debug.txt", "w");
  end
  hFile.writeLine(txt);
  hFile.close();
end
local function splitLine(data)
  local lines = { }
  local pos = 1
  local tmp
  while true do
    local p1, p2 = string.find(data, "\n", pos, true)
    if nil == p1 then
      tmp = string.sub(data, pos)
      tmp = string.gsub(tmp, "\n", "")
      table.insert(lines, tmp)
      break
    else
      tmp = string.sub(data, pos, p1)
      tmp = string.gsub(tmp, "\n", "")
      table.insert(lines, tmp)
      pos = math.min(p1 + 1)
    end
  end
  return lines
end
-- ----------------------------------------
-- main
-- ----------------------------------------
print("3d print")
--local args = { ... }
local dataFilePath
--if 1 == #args then
--  dataFilePath = tonumber(args[1])
--end
dataFilePath = DEBUG_FILE_NAME

local right, forward, height

local lines = splitLine(fileReadAll(dataFilePath))
local dataList = { }
local pair = { }
for i, v in ipairs(lines) do
  print(i)
  print(v)
  if i == 1 then
    right = tonumber(v)
  elseif i == 2 then
    forward = tonumber(v)
  elseif i == 3 then
    height = tonumber(v)
  elseif i % 2 == 0 then
    pair.blockName = v
  else
    pair.meta = v
    table.insert(dataList, 1, pair)
    pair = { }
  end
end
print(string.format("right = %d, forward = %d, height = %d",
  tostring(right), tostring(forward), tostring(height)))

for i, v in ipairs(dataList) do
  debug(v.blockName)
  debug("-----")
  debug(v.meta)
  debug("===============")
end

turtle.forward()
turtle.turnRight()
for i = 1, right do
  turtle.forward()
end
turtle.turnLeft()
for j = 1, forward do
  turtle.forward()
end
for h = 1, height do
  for i = 1, right do
    for j = 1, forward do

--[[

--
if fs.exists(DEBUG_FILE_NAME) then
  print(DEBUG_FILE_NAME .. " exists. continue? (y / n)")
  local ch = read()
  if "y" ~= ch then
    print("3d scan canceled.")
  end
  fs.delete(DEBUG_FILE_NAME)
end

for i = 1, height do
  turtle.up()
end
turtle.forward()
--
debug(right)
debug(forward)
debug(height)
--
for h = 1, height do
  for i = 1, right do
    for j = 1, forward do
      local rslt, scan = turtle.inspectDown()
      if rslt then
        debug(scan.name)
        debug(scan.metadata)
      else
        debug("-")
        debug("-")
      end
      turtle.digDown()
      turtle.forward()
    end
    for j = 1, forward do
      turtle.back()
    end
    if i < right then
      turtle.turnRight()
      turtle.forward()
      turtle.turnLeft()
    end
  end
  turtle.turnLeft()
  for i = 1, right - 1 do
    turtle.forward()
  end
  turtle.turnRight()
  turtle.down()
end
print("3d scan completed.")
--]]