build

function buildFloor(x,y)
 turtle.refuel()
 print("F:" .. turtle.getFuelLevel())
 local turnRight = true
 local found = false
 local k = 2
 turtle.select(k)
 for i = 1, x do
  for j = 1, y do
   local data = turtle.getItemDetail()
   if data then
    found = true
   else
    found = false
    k = k + 1
   end
   while found == false and k <= 16 do
    turtle.select(k)
    data = turtle.getItemDetail()
    if data then
     found = true
    else
     k = k + 1
    end
   end
   if found == true then
    turtle.placeDown()
    turtle.forward()
    found = false
   end
  end
  turtle.placeDown()
  if turnRight == true then
   turtle.turnRight()
   turtle.forward()
   turtle.turnRight()
   turnRight = false
  else
   turtle.turnLeft()
   turtle.forward()
   turtle.turnLeft()
   turnRight = true
  end
 end
end