View difference between Paste ID: yaTbz4GY and eisFHX2m

 os.loadAPI("button")
 os.loadAPI("radar")
 
 local mon = peripheral.find("monitor")
 
 local xMax, yMax = mon.getSize()
 --#region
 -- data that needs to be asynced
 local roomAmount = 4
 local occupied = 0
 --#endregion
 
 
 local checkInBtn = "Check In"
 local checkOutBtn = "Check Out"
 
 local currentRoom = 0
 
 -- room number, player, isOccupied
 
 local rooms = {["1"] = "", ["2"] = "",
               ["3"] = "", ["4"] = ""}
 
 function printm(str, x, y)
     mon.setCursorPos(x, y)
     mon.clearLine()
     mon.write(str)
 end
 
 function fillButtons()
     -- xmin xmax, ymin, ymax
     button.setTable(checkInBtn, checkIn, 11, 20, 4, 12)
     button.setTable(checkOutBtn, checkOut, 22, 31, 4, 12)
     button.screen()
 end
 
 function drawText()
     printm("Rooms Available: ".. roomAmount - occupied, 2, 14)
     printm("Rooms Occupied: ".. occupied, 2, 15)
 end
 
 function getClosest()
     return radar.findClosest()
 end
 
 function getRoomAssignment()
     for key, obj in pairs(rooms) do
         print(key.. " "..tostring(obj))
         if obj == "" then
             rooms[key] = getClosest()
             currentRoom = key
             print(key)
             print("Room was assigned..".. key)
             return
         end
     end
 end
 
 function getClick()
     drawText()
     event, side, x, y = os.pullEvent("monitor_touch")
     button.checkxy(x, y)
 end
 
 -- check in function
 function checkIn()
     if occupied < roomAmount then
         button.flash(checkInBtn)
         print("Rooms are empty")
         occupied = occupied + 1
         getRoomAssignment()
         printm(getClosest() .." is assigned Room ".. currentRoom, 1, yMax)
         sleep(3)
         mon.clearLine()
     end
 end
 
 function checkOut()
     occupied = occupied - 1
     button.flash(checkOutBtn)
     print("Checking Out!")
     button.screen()
 end
 
 
 mon.setBackgroundColor(colors.black)
 mon.clear()
 mon.setCursorPos(1, 1)
 
 button.heading("Hello World!")
 fillButtons()
 while true do
     getClick()
 end