MinecraftParkourTimer

-- By: Stefan B
-- Website: beapython.dev
-- Contact : beapythondev@gmail.com
--
-- youtube.com/beapythondev
-- Youtube Video in progress

-- Initialize our variables
cur_split = -1
num_splits = 4
mon_y = 1
mon = peripheral.wrap("right")
total_time = 0
time_start = nil
prev_split_start = nil

-- Functions
function inc_mon ()
  mon_y = mon_y + 1
  mon.setCursorPos(1,mon_y)
  return
end

-- Initialize our monitor
mon.clear()
mon.setCursorPos(1,mon_y)
mon.write("Parkour Challenge")
inc_mon()
mon.write("Waiting for runner")

while true do
  os.pullEvent("redstone") -- wait for a "redstone" event
  split_event = 15 - rs.getAnalogueInput("left")

  if rs.getInput("left") then -- check the input
    if cur_split == split_event - 1 then
      if split_event == 0 then
        time_start = os.clock()
        prev_split_start = time_start
        mon.clear()
        mon_y = 1
        total_time = 0
        mon.setCursorPos(1,mon_y)
        mon.write("Parkour Challenge")
        inc_mon()
        mon.write("Good luck runner")
      elseif split_event > 0 then
        cur_time = os.clock()
        split_time = cur_time - prev_split_start
        prev_split_start = cur_time
        total_time = total_time + split_time
        inc_mon()
        mon.write(split_event)
        mon.write(" : ")
        mon.write(string.format("%." .. (2 or 0) .. "f", split_time))
      end

      if split_event == num_splits then
        cur_split = -1
        inc_mon()
        inc_mon()
        mon.write("Total time")
        inc_mon()
        mon.write(string.format("%." .. (2 or 0) .. "f", total_time))
        mon.setCursorPos(1,2)
        mon.clearLine()
        mon.write("Waiting for runner")
      else
        cur_split = split_event
      end
    end
  end
end