mods/cilent_version_checker/init.lua

   1 local client_versions = {}
   2 local client_version_channels = {}
   3
   4 --I needed to add in a dev cycle to adopt for a decimal place error
   5 local current_development_cycle = "alpha"
   6 local current_version = 0.05005
   7
   8 minetest.register_on_joinplayer(function(player)
   9         local name = player:get_player_name()
  10     client_version_channels[name] = minetest.mod_channel_join(name..":client_version_channel")
  11 end)
  12
  13 minetest.register_on_modchannel_message(function(channel_name, sender, message)
  14     local channel_decyphered = channel_name:gsub(sender,"")
  15     if channel_decyphered == ":client_version_channel" then
  16         local version = tonumber(message)
  17         if type(version) ~= "number" then
  18             minetest.chat_send_player(sender, minetest.colorize("yellow", "Please do not try to crash the server."))
  19             for i = 1,5 do
  20                 minetest.log("warning", sender.." tried to crash the server!")
  21             end
  22         elseif type(version) == "number" then
  23             if current_development_cycle == "alpha" and version > 0.0999 then
  24                 minetest.chat_send_player(sender, minetest.colorize("yellow", "Please update your client mod."))
  25                 minetest.log("warning", sender.." logged in with an outdated client.")
  26             elseif version < current_version then
  27                 minetest.chat_send_player(sender, minetest.colorize("yellow", "You need to update your clientmod. Your client version: ")..
  28                 minetest.colorize("white",version)..minetest.colorize("yellow",". Current server version: ").. minetest.colorize("white",current_version)..
  29                 minetest.colorize("yellow",". The game might not work as intended or crash."))
  30                 minetest.log("warning", sender.." logged in with an outdated client.")
  31             elseif version > current_version then
  32                 minetest.chat_send_player(sender, minetest.colorize("yellow", "Your client mod is new than the server version. Your client version: ")..
  33                 minetest.colorize("white",version)..minetest.colorize("yellow",". Current server version: ")..
  34                 minetest.colorize("white",current_version)..minetest.colorize("yellow",". The game might not work as intended or crash."))
  35                 minetest.log("warning", sender.." logged in with a client new than the server version.")
  36             end
  37         end
  38     end
  39 end)
  40