tDrive

--Check for adv monitor
function advMon(a, b)
  if not a.isColor() then
  niceError("Please upgrade "..b.." monitor to","the \"Advanced\" version.","")
  end
end

--Set up two peripherals
function findTperipherals(p)
 s = {}
  for _,v in pairs(rs.getSides()) do
    if #s == 2 then break end
    if peripheral.getType(v) == p then
      table.insert(s, v)
    end
  end
  return unpack( s )
end

function wrapTperipherals(j, k)
if k ~= nil then
  MO = 2
  l = peripheral.wrap(j)
  advMon(l, j)
  m = peripheral.wrap(k)
  advMon(m, k)
elseif j ~= nil then
  MO = 1
  l = peripheral.wrap(j)
  advMon(l, j)
  notes("IMPORTANT", "With a second advanced monitor","you will see more information.")
  sleep(3)
else
  niceError("No advanced monitors attached to the computer","")
  return
end
end


--Center text print
function cprint (t)
  local x2, y2 = term.getCursorPos()
  local x, y = term.getSize()
  term.setCursorPos(math.ceil((x/2) - (t:len()/2)), y2)
  print(t)
end

--Notes
function notes(te, ta, tb)
  term.clear()
  term.setCursorPos(1, 1)
  term.setTextColor(colors.cyan)
  cprint("---------========= "..te.." =========---------")
  term.setCursorPos(1, 3)
  term.setTextColor(colors.white)
  cprint(ta)
  cprint(tb)
  term.setCursorPos(1, 6)
  term.setTextColor(colors.cyan)
  cprint("---------========= "..te.." =========---------")
  term.setCursorPos(1, 8)
  term.setTextColor(colors.white)
end

--Header function
function header(te)
  term.clear()
  term.setCursorPos(1, 1)
  term.setTextColor(colors.cyan)
  cprint("---------========= "..te.." =========---------")
  term.setTextColor(colors.white)
end

--Header in current Pos
function headerW(te)
  term.setTextColor(colors.cyan)
  cprint("---------========= "..te.." =========---------")
  term.setTextColor(colors.white)
end

--Error Messages
function niceError(Ea, Eb)
  header("Error!")
  term.setCursorPos(1, 3)
  cprint(Ea)
  cprint(Eb)
  local x, y = term.getCursorPos()
    if Eb == "" then
    y2 = y
    elseif Eb ~= "" then
    y2 = y + 1
    end
  term.setCursorPos(1, y2)
  term.setTextColor(colors.cyan)
  cprint("---------========= Error! =========---------")
  term.setTextColor(colors.white)
  error()
end