Rednet Listener

-- rednet listener --

rednet.open("front") -- side of the modem
m = peripheral.wrap("top") -- where the monitor is.
widht, height = m.getSize()


m.setTextScale(1) -- size of the text on screen
msgAmount = height / m.getTextScale() -- the amount of messages displayed scale according to monitor size and text size, does not take into account size of string



whitelist =  {} -- ids to listen for
messages = {} -- list of messages that are going to be displayed.



---------------------

while true do


event, id, msg, distance = os.pullEvent("rednet_message")

for i = 1, #whitelist do
  if id == whitelist[i] then
   table.insert(messages, msg)
  end

if #messages > msgAmount then

  table.remove(messages,1)

end
m.clear()
for i = 1, #messages do
m.setCursorPos(1,i)
m.write(messages[i])
end



end




end