local p = peripheral.wrap("right")
local door = false

door = false
redstone.setOutput("left", true)
--i = 1

-- The following 3 functions need to be like this
-- to use the return feature. This is done to
-- refresh the information coming in.

function getInfo()
  info = p.getPlayers()
  return info
end

function getUsername()
  getInfo()
  username = info[1].name
  return username
end

function getPos()
  pos = p.getPlayerByName(username).position
  return pos
end

function chkDoor()
  if door == true then
    redstone.setOutput("left", false)
  else
    redstone.setOutput("left", true)
  end
end

--Main Program. A lot of frustration went into this.
--I'm glad it works now.

function chkPlayer()
  if #p.getPlayers() ~= 0 then
--    print("Somone is online! Who is it?")
    getInfo()
    getUsername()
    getPos()
--    print(username.." is at coords: "..pos.x.."x, "..pos.y.."y, "..pos.z.."z, ")
    if pos.x >= -5 and pos.x <= 5
    and pos.y >= -5 and pos.y <= 0
    and pos.z >= -5 and pos.z <= 5 then
--      print(username.."is in the spot. Opening Door.")
      door = true
    else
--      print(username.."is not in the spot. Closing Door.")
      door = false
    end
  end
end

while true do
sleep(0.5)
--print("Iteration: "..i)
--i = i + 1
chkDoor()
chkPlayer()
end