mods/client_version_checker/init.lua

   1 minetest.register_node("client_version_checker:this_is_the_signature_of_crafter00111010010001000011110000110011",{})
   2
   3 local client_versions = {}
   4 local client_version_channels = {}
   5
   6 --I needed to add in a dev cycle to adopt for a decimal place error
   7 local current_development_cycle = "alpha"
   8 local current_version = 0.07000
   9
  10 minetest.register_on_joinplayer(function(player)
  11         local name = player:get_player_name()
  12     client_version_channels[name] = minetest.mod_channel_join(name..":client_version_channel")
  13 end)
  14
  15 minetest.register_on_modchannel_message(function(channel_name, sender, message)
  16     local channel_decyphered = channel_name:gsub(sender,"")
  17     if channel_decyphered == ":client_version_channel" then
  18         local version = tonumber(message)
  19         if type(version) ~= "number" then
  20             minetest.chat_send_player(sender, minetest.colorize("yellow", "Please do not try to crash the server."))
  21             for i = 1,5 do
  22                 minetest.log("warning", sender.." tried to crash the server!")
  23             end
  24         elseif type(version) == "number" then
  25             if current_development_cycle == "alpha" and version > 0.0999 then
  26                 minetest.chat_send_player(sender, minetest.colorize("yellow", "Please update your client mod."))
  27                 minetest.log("warning", sender.." logged in with an outdated client.")
  28             elseif version < current_version then
  29                 minetest.chat_send_player(sender, minetest.colorize("yellow", "You need to update your clientmod. Your client version: ")..
  30                 minetest.colorize("white",version)..minetest.colorize("yellow",". Current server version: ").. minetest.colorize("white",current_version)..
  31                 minetest.colorize("yellow",". The game might not work as intended or crash."))
  32                 minetest.log("warning", sender.." logged in with an outdated client.")
  33             elseif version > current_version then
  34                 minetest.chat_send_player(sender, minetest.colorize("yellow", "Your client mod is new than the server version. Your client version: ")..
  35                 minetest.colorize("white",version)..minetest.colorize("yellow",". Current server version: ")..
  36                 minetest.colorize("white",current_version)..minetest.colorize("yellow",". The game might not work as intended or crash."))
  37                 minetest.log("warning", sender.." logged in with a client new than the server version.")
  38             end
  39         end
  40     end
  41 end)
  42