OpenEuphoria

Re: question that might not have an answer

• Posted by "Kat" <gertie at visionsix.com> Jan 10, 2004
• 607 views

On 10 Jan 2004, at 9:15, Michelle Rogers wrote:

> 
> 
> I have a question.  On the mud I am working on, I have a list of mudcommands
> that can be done in a data file.  They read into a commands variable, which
> looks like this..
> 
> commands={command,command,command...}
> command={{name of command},{function command should run when typed},{level
> player must be to use command}}
> 
> 
> I would like for mud-"coders" to be able to add commands "on the fly" from
> inside the mud.  I can handle the actual adding of the command easy
> enough...on one line, they would simply type:
> 
> addcommand <command> <function> <levelreq>
> 
> But here's my question.  The functions are referenced by routine_id .  When
> any
> command is typed, the program searches for the command in the data file, then
> if
> found calls the procedure in the 2nd element of that command sequence by using
> a
> routine_id.  So, the functions for the commands are of course stored within a
> file..umm...something like commands.e
> 
> So, here's the problem.  Coders could physically add the command...but is
> there a way to add the function into the .e file from inside the program?  I
> THOUGHT about...reading in the entire commands.e file as regular data, adding
> the new function to the end as regular data, then saving it again. First of
> all,
> will this even work?  But, secondly, how would you force the program to
> re-read
> that file while it's already running?  I already thought of the "easy" fix and
> tried to make a "compile" command from inside the mud that simply includes the
> file again.  But, apparently we can't put include statements inside
> procedure/functions?  That seemed to be the error I was getting.  Or, am I
> wrong
> about that and there was something else wrong?
> 
> Or, perhaps I just want to do the impossible?  But surely, there's some way?

Yes, use eval() in Bach.
Or use mirc. (yes, you can MUD with mirc.)
Or the Eu interpreter written by David Cuny .. about 1999, in the archives.

Kat