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server-nalc/mods/irc/API.md
2015-03-10 22:23:06 +01:00

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IRC Mod API
===========
This file documents the Minetest IRC mod API.
Basics
------
In order to allow your mod to interface with this mod, you must add `irc`
to your mod's `depends.txt` file.
Reference
---------
irc:say([name,] message)
Sends <message> to either the channel (if <name> is nil or not specified),
or to the given user (if <name> is specified).
Example:
irc:say("Hello, Channel!")
irc:say("john1234", "How are you?")
irc:register_bot_command(name, cmdDef)
Registers a new bot command named <name>.
When an user sends a private message to the bot with the command name, the
command's function is called.
Here's the format of a command definition (<cmdDef>):
cmdDef = {
params = "<param1> ...", -- A description of the command's parameters
description = "My command", -- A description of what the command does. (one-liner)
func = function(user, args)
-- This function gets called when the command is invoked.
-- <user> is a user table for the user that ran the command.
-- (See the LuaIRC documentation for details.)
-- It contains fields such as 'nick' and 'ident'
-- <args> is a string of arguments to the command (may be "")
-- This function should return boolean success and a message.
end,
};
Example:
irc:register_bot_command("hello", {
params = "",
description = "Greet user",
func = function(user, param)
return true, "Hello!"
end,
});
irc.joined_players[name]
This table holds the players who are currently on the channel (may be less
than the players in the game). It is modified by the /part and /join chat
commands.
Example:
if irc.joined_players["joe"] then
-- Joe is talking on IRC
end
irc:register_hook(name, func)
Registers a function to be called when an event happens. <name> is the name
of the event, and <func> is the function to be called. See HOOKS below
for more information
Example:
irc:register_hook("OnSend", function(line)
print("SEND: "..line)
end)
This mod also supplies some utility functions:
string.expandvars(string, vars)
Expands all occurrences of the pattern "$(varname)" with the value of
'varname' in the <vars> table. Variable names not found on the table
are left verbatim in the string.
Example:
local tpl = "$(foo) $(bar) $(baz)"
local s = tpl:expandvars({foo=1, bar="Hello"})
assert(s == "1 Hello $(baz)")
In addition, all the configuration options decribed in `README.txt` are
available to other mods, though they should be considered read-only. Do
not modify these settings at runtime or you might crash the server!
Hooks
-----
The `irc:register_hook` function can register functions to be called
when some events happen. The events supported are the same as the LuaIRC
ones with a few added (mostly for internal use).
See src/LuaIRC/doc/irc.luadoc for more information.