---------------------------------------
---- DESCRIPTION ----------------------
---------------------------------------
-- One turtle builds a mansion.
-- Details see information during program
--   execution or YouTube video.


---------------------------------------
---- PARAMETERS -----------------------
---------------------------------------
local cVersion  ="v1.00"
local cMinFuel  =128


---------------------------------------
---- VARIABLES ------------------------
---------------------------------------
local blnAskForParameters = true
local blnShowUsage   = false

---------------------------------------
---- tArgs ----------------------------
---------------------------------------
local tArgs = {...}
if #tArgs == 1 then -- no error check
  blnAskForParameters=false
  if tArgs[1]=="help" then blnShowUsage=true end
  -- any other parameter will start program
end

if blnShowUsage then
  print("Usage: bMansion [anyParameter]")
  print("If anyParameter exists, then the program")
  print("  starts without need to press a key.")
  print("If anyParameter is 'help', then this")
  print("  info is displayed.")
  return
end

---------------------------------------
-- BASIC FUNCTIONS FOR TURTLE CONTROL -
---------------------------------------
local function gf(n)
  if n==nil then n=1 end
  for i=1,n,1 do while not turtle.forward() do end end
end
local function gb(n)
  if n==nil then n=1 end
  for i=1,n,1 do while not turtle.back() do end end
end
local function gu(n)
  if n==nil then n=1 end
  for i=1,n,1 do while not turtle.up() do end end
end
local function gd(n)
  if n==nil then n=1 end
  for i=1,n,1 do while not turtle.down() do end end
end
local function gl(n)
  if n==nil then n=1 end
  for i=1,n,1 do while not turtle.turnLeft() do end end
end
local function gr(n)
  if n==nil then n=1 end
  for i=1,n,1 do while not turtle.turnRight() do end end
end
local function pf(n)
  -- moves backwards if n>1
  if n==nil then n=1 end
  for i=1,n,1 do if i~=1 then gb() end turtle.place() end
end
local function pu()  turtle.placeUp()   end
local function pd()  turtle.placeDown() end
local function df()  turtle.dig()       end
local function du()  turtle.digUp()     end
local function dd()  turtle.digDown()   end
local function sf()  turtle.suck()      end
local function su()  turtle.suckUp()    end
local function sd()  turtle.suckDown()  end
local function Df()  turtle.drop()      end
local function Du()  turtle.dropUp()    end
local function Dd()  turtle.dropDown()  end
local function ss(s) turtle.select(s)   end

local function askForInputText(textt)
  local at=""
  -- check prompting texts
  if textt==nil then textt="Enter text:" end

  -- ask for input
  write(textt)
  at=read()
  return at
end

local function checkFuel()
  local tmp=turtle.getFuelLevel()
  return tmp
end


------------------------------------------------------------------------------
---- MAIN --------------------------------------------------------------------
------------------------------------------------------------------------------

-- step 0 usage hints
if blnAskForParameters then
term.clear() term.setCursorPos(1,1)
repeat
print("+-------------------------------------+")
print("| Put in turtle slots these materials:|")
print("|  1: 44 mk2 energy condensers        |")
print("|  2: 12 red matter relays            |")
print("|  3: 8 grey glass                    |")
print("|  4: 8 green glass                   |")
print("|  5: 8 magenta glass                 |")
print("|  6: 8 red glass                     |")
print("|  7: 4 energy condensers             |")
print("+-------------------------------------+")
until askForInputText("Press enter for next page:")==""

term.clear() term.setCursorPos(1,1)
repeat
print("+-------------------------------------+")
print("| Put in turtle slots these materials:|")
print("|  8: 4 filters                       |")
print("|  9: 17 pneumatic tubes              |")
print("|  10: 29 stone covers                |")
print("|                                     |")
print("|                                     |")
print("|                                     |")
print("|                                     |")
print("+-------------------------------------+")
until askForInputText("Press enter for next page:")==""

term.clear() term.setCursorPos(1,1)
repeat
print("+-------------------------------------+")
print("| Additional items needed to complete:|")
print("|  4 mk2 energy condensers            |")
print("|  4 red matter relays                |")
print("|  4 stone covers                     |")
print("|  17 red alloy wires                 |")
print("|  wrench                             |")
print("|                                     |")
print("|                                     |")
print("|                                     |")
print("+-------------------------------------+")
until askForInputText("Press enter to start:")==""
end