View difference between Paste ID: cYQTrZNb and deCun902

-local chat = peripheral.find("chat_box")
+--[[
-chat.setName "Announcer"
+Copyright Oliver Marks 2018
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-while true do
+Modifications must be reported to the copyright holder, Oliver Marks.
-    local _, msg = rednet.receive "cccast"
+
-    chat.say(msg)
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-end
+
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ]]
 
 local chat = peripheral.find "chat_box"
 local radar = peripheral.find "radar"
 local checkForSpam = false
 chat.setDistance(math.huge)
 
 rednet.open "top"
 
 -- A primitive spam filter. Respects checkForSpam variable
 function isSpam(msg, usr)
 	if not checkForSpam then return false end
 
 	if usr == "TerraInc" or string.find(msg, "TerraInc") then return true end
 
 	return false
 end
 
 -- Listens to rednet & broadcasts to chat
 function rednetListen()
 	while true do
 		-- DAG Protocol: Rednet -> Chat
     	local _, rawMsg = rednet.receive "chat_announce"
 		local msg, usr = nil, "Announcer"
 		if type(rawMsg) == "table" then
 			if rawMsg[1] and rawMsg[2] then
 				usr = rawMsg[1]
 				msg = rawMsg[2]
 			end
 		else
 			-- Support for old string-only protocol
 			msg = tostring(rawMsg)
 		end
 
 		if not isSpam(msg, usr) then
 			chat.setName(usr)
 			chat.say(msg)
 			lastMessage = msg
 		end
 	end
 end
 
 -- Listen to chat and broadcast on rednet.
 function chatListen()
 	while true do
 		local _, _, username, msg = os.pullEvent "chat_message"
 		-- For debugging
 		print(username, msg)
 
 		-- Reverse messages from TheDacinator.
 		if username == "TheDacinator" then
 			msg = string.reverse(msg)
 		end
 
 		-- DAG Protocol - Chat -> Rednet
 		rednet.broadcast({username, msg}, "chat_message")
 	end
 end
 
 -- Detect items dropped on the ground.
 function detectLittering()
 	local hasAnnouncedAlready = false
 
 	while true do
 		local items = radar.getItems()
 		if #items > 0 then
 			if not hasAnnouncedAlready then
 				local players = radar.getPlayers()
 
 				local item = items[1]
 				local msg = "Littering Detected. The item littered is: " .. item.label .. ". "
 
 				if players[1] then
 					local name = players[1].name
 					if name == "osmarks" then name = "nagoL2015" end
 					msg = msg .. name .. " was detected at the crime scene."
 				end
 				if item.label ~= "Egg" then
 					chat.setName "TidyStreet5000"
 					chat.say(msg)
 					rednet.broadcast({"TidyStreet5000", msg}, "chat_announce")
 					hasAnnouncedAlready = true
 				end
 			end
 		else
 			hasAnnouncedAlready = false
 		end
 
 		sleep(0.5)
 	end
 end
 
 -- Listens to DAG commands.
 function commandListen()
 	local _, cmd = rednet.receive "announcer_command"
 
 	if cmd == "reboot" then
 		chat.setName "Announcer"
 		chat.say "This node is rebooting."
 		os.reboot()
 	end
 end
 
 -- Transmit player location data
 function scanForPlayers()
 	local x, y, z = gps.locate()
 
 	while true do
 		local players = radar.getPlayers()
 
 		for _, p in pairs(players) do
 			p.x = p.x + x
 			p.y = p.y + y
 			p.z = p.z + z
 
 			p.time = os.time()
 			p.day = os.day()
 
 			rednet.broadcast(p, "player_tracking")
 		end
 
 		sleep(1)
 	end
 end
 
 -- Relays GPS. May not be very accurate as it will just amplify errors in existing GPS host systems.
 function gpsRelay()
 	print "Hosting GPS."
 	shell.run "gps host"
 end
 
 pcall(function()
 	parallel.waitForAll(chatListen, rednetListen, commandListen)
 end)
 
 sleep(10)
 
 os.reboot()