initial

init.lua

@@ -0,0 +1,48 @@
+nonew = {}
+nonew.players = {}
+nonew.data = minetest.get_worldpath().."/blocked_nonew.txt"
+
+nonew.action = function(playername)
+	if nonew.players[playername] == 1 then
+		minetest.kick_player(playername, "No new players are being accepted at the moment.")
+	end
+end
+
+local function write_blocked_players()
+	local sdata = minetest.serialize(nonew.players)
+
+	if not sdata then
+		minetest.log("error", "No player object data")
+		return
+	end
+
+	local file, err = io.open(nonew.data, "w")
+	if err then return err end
+
+	file:write(sdata)
+
+	file:close()
+end
+
+local function read_blocked_players()
+	local file, err = io.open(nonew.data, "r")
+	if err then return err end
+
+	local sdata = file:read("*a")
+	file:close()
+
+	nonew.players = minetest.deserialize(sdata)
+end
+
+local function register_newcomer(playername)
+	nonew.players[playername] = 1
+	write_blocked_players()
+end
+
+minetest.register_on_newplayer(function(player)
+	local playername = player:get_player_name()
+	register_newcomer(playername)
+	nonew.action(playername)
+end)
+
+read_blocked_players()

mod.conf

@@ -0,0 +1 @@
+name = nonew