-- Mitchfizz05's elevator turtle

local floorSpacing = 4

local function home()
	print("Homing turtle to ground floor...")
	currentFloor = 0
	while turtle.down() do end
end

home()

local function mainLoop()
	term.clear()
	term.setCursorPos(1,1)
	print("Elevator turtle")
	print()

	term.write(" Enter floor number: ")
	local floorNum = tonumber(read())
	if (floorNum == nil) then
		print("Invalid floor number")
		sleep(0.75)
		return
	end

	floorNum = floorNum - 1

	-- Go up to target floor
	for i = 1, (floorNum * floorSpacing), 1 do
		while not turtle.up() do end
	end

	print("You have arrived!")
	sleep(2)
	home()
end

while true do
	mainLoop()
end