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 local client_has_clientmod = {}
   6
   7 --I needed to add in a dev cycle to adopt for a decimal place error
   8 local current_development_cycle = "alpha"
   9 local current_version = 0.07000
  10
  11 minetest.register_on_joinplayer(function(player)
  12         local name = player:get_player_name()
  13     client_version_channels[name] = minetest.mod_channel_join(name..":client_version_channel")
  14     client_has_clientmod[name] = nil
  15     minetest.after(3, function()
  16                 if not client_has_clientmod[name] then
  17                         minetest.chat_send_player(name, minetest.colorize("orange", "It seems like you don't have Crafter client installed."
  18                                 .. " You will not be able to use all features of this server without the clientmod."
  19                                 .. " Please dowload it here: https://github.com/EliasFleckenstein03/crafter_client"))
  20                 else
  21                         client_has_clientmod[name] = nil
  22                 end
  23     end)
  24 end)
  25
  26 minetest.register_on_modchannel_message(function(channel_name, sender, message)
  27     local channel_decyphered = channel_name:gsub(sender,"")
  28     if channel_decyphered == ":client_version_channel" then
  29                 client_has_clientmod[sender] = true
  30         local version = tonumber(message)
  31         if type(version) ~= "number" then
  32             minetest.chat_send_player(sender, minetest.colorize("yellow", "Please do not try to crash the server."))
  33             for i = 1,5 do
  34                 minetest.log("warning", sender.." tried to crash the server!")
  35             end
  36         elseif type(version) == "number" then
  37             if current_development_cycle == "alpha" and version > 0.0999 then
  38                 minetest.chat_send_player(sender, minetest.colorize("yellow", "Please update your client mod."))
  39                 minetest.log("warning", sender.." logged in with an outdated client.")
  40             elseif version < current_version then
  41                 minetest.chat_send_player(sender, minetest.colorize("yellow", "You need to update your clientmod. Your client version: ")..
  42                 minetest.colorize("white",version)..minetest.colorize("yellow",". Current server version: ").. minetest.colorize("white",current_version)..
  43                 minetest.colorize("yellow",". The game might not work as intended or crash."))
  44                 minetest.log("warning", sender.." logged in with an outdated client.")
  45             elseif version > current_version then
  46                 minetest.chat_send_player(sender, minetest.colorize("yellow", "Your client mod is new than the server version. Your client version: ")..
  47                 minetest.colorize("white",version)..minetest.colorize("yellow",". Current server version: ")..
  48                 minetest.colorize("white",current_version)..minetest.colorize("yellow",". The game might not work as intended or crash."))
  49                 minetest.log("warning", sender.." logged in with a client new than the server version.")
  50             end
  51         end
  52     end
  53 end)
  54