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Output Redirection

Posted by Zantiln on Sat 08 Nov 2008 10:31 PM — 2 posts, 11,573 views.

Zantiln #0
Ok, so I've been mucking around with plugins and scripting in LUA and been getting a little better at it. Not by too much, but a little :)

Anywho, I was looking at the Aardwolf_Chats script to see how Mr. Gammon does his output redirection and I am a little confused.

I see in the trigger match, there is the line:

Quote:
match="^{chan ch=(?<channel>\w+)}(?<msg>.*)"


This line is a regex, so the text inside any ()'s should be stored to some variable(s). Which variables are they stored to? And in the function chat_redirect(below), which line of code actually displays the chat message in the separate chat window (or World)??

Quote:

-- chat redirector

function chat_redirect (name, line, wildcards, styles)



local w = get_a_world (chat_world, folder)



if w == nil then

colourNote("red","","Chat world file not available.")

return

end



table.remove (styles, 1) -- get rid of tag



-- send to other world

send_to_world (chat_world, styles)



-- this stuff to echo in this world as well



if echo then

for _, v in ipairs (styles) do

ColourTell (RGBColourToName (v.textcolour),

RGBColourToName (v.backcolour),

v.text)

end -- for each style run

Note ("") -- wrap up line

end -- echo wanted



end -- function chat_redirect


If I were to make a simple plugin to redirect, for example, only messages on the ftalk channel, to an already created "Dummy" world, seems to me like it would be one trigger with a regex match, and then one funtion that would redirect the whole message, minus the tags, to the other world. Is this correct? Or is it more complicated than that? With all these OnPlugin*** functions and TelnetOption*** commands that are confusing me? :)
Nick Gammon Australia Forum Administrator #1
In this case the named wildcards are part of the wildcards table. In other words, wildcards.channel would be the channel name (or, wildcards ["channel"]).

The line that displays in the other world is this:


send_to_world (chat_world, styles)


That is implemented in a Lua module (getworld.lua).

To redirect something like ftalk, you would want something like:


if wildcards.channel == "ftalk" then
  send_to_world (chat_world, styles)
end -- if