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<H1>Re: [MUD-Dev] Text Parsing</H1>
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<LI><em>To</em>: <A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A></LI>
<LI><em>Subject</em>: Re: [MUD-Dev] Text Parsing</LI>
<LI><em>From</em>: Adam Wiggins <<A HREF="mailto:adam#angel,com">adam#angel,com</A>></LI>
<LI><em>Date</em>: Thu, 10 Jun 1999 15:40:57 -0700 (PDT)</LI>
<LI><em>Reply-To</em>: <A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A></LI>
<LI><em>Sender</em>: <A HREF="mailto:mud-dev-admin#kanga,nu">mud-dev-admin#kanga,nu</A></LI>
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<PRE>
On Thu, 10 Jun 1999, Katrina McClelan wrote:
> On Thu, 10 Jun 1999, Adam Wiggins wrote:
> > Then at the top of act(), which is the routine which get called to turn the
> > markup language into text that everyone in the room can see, I simply checked
> > to see if num_pcs_in_room was greater than zero. If not, I just returned without
> > doing any processing. This made quite a difference; up until then it had been
> > constructing the "You leave north" and "A hobbit arrives from the south" strings
> > every time a mobile moved, whether a PC was present or not.
>
> This works, except that you then don't get full information when you snoop
> a mob... oh yeah... can't do that in standard diku ;) (not that you
> couldn't code around this limitation and still "blind" the mobs in
> the general case anyway)
Well, it was actually based on Circle, so it did have snooping.
And actually, I did acount for this - num_pcs_in_room was actually a count
of the active *descriptors* in the room, not the number of !IS_NPC(ch)'s.
So if I switched out of my immort's body and into a hobbit, it decremented
the num_pcs_in_room where my body was, and incremented it in the room with the
hobbit.
> > I also staggered the way that things happened; at the time, most all of the game
> > updating happened on the "tick" mark (every 60 seconds), which caused a slowdown
> > right then. I made an "object tick", a "character tick", and so forth.
> > By the same token, mobiles, which previous updated every 3 seconds (all of them),
> > I changed to update every second. However, not *all* of them would update, only
> > about 1/3rd. I'd just save the linked list pointer until the next second, and
> > pick up where I left off. When it got to the end it would loop around again.
> >
>
> An informative note that this works because the standard game look checks
> start time, and end time, and the last thing it does is sleep for the
> remainder of 1/4 second. If your one loop takes longer than 1/4 second,
> then you get server side lag. However if you distribute the computing
> over multiple loops that use less than 1/4 second you don't notice the
> high load on the client side. Only adding this because I had a mud once
> reject this optimization arguing that it didn't save any CPU time.
> Truthfully it doesn't save any computing time. It does help with
> server lag however.
Correct. Thanks for the clarification.
And actually, I think that Circle uses 1/10th of a second pulses, which gives you
an even smaller time sliver. To help pin down heavy cycles, I had it spit out
a log message whenever it exceeded its 1/10th of a second on a cycle.
Adam W.
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<LI><STRONG><A NAME="00715" HREF="msg00715.html">Re: [MUD-Dev] Text Parsing</A></STRONG>
<UL><LI><EM>From:</EM> Katrina McClelan <kitkat#marcus,pants.nu></LI></UL></LI>
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<ul><li>Thread context:
<BLOCKQUOTE><UL>
<LI><STRONG>Re: [MUD-Dev] Text Parsing</STRONG>, <EM>(continued)</EM>
<ul compact>
<LI><strong><A NAME="00654" HREF="msg00654.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Thu 10 Jun 1999, 01:43 GMT
<UL>
<LI><strong><A NAME="00679" HREF="msg00679.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Matthew Mihaly <a href="mailto:diablo#best,com">diablo#best,com</a>, Thu 10 Jun 1999, 06:13 GMT
<UL>
<LI><strong><A NAME="00709" HREF="msg00709.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Adam Wiggins <a href="mailto:adam#angel,com">adam#angel,com</a>, Thu 10 Jun 1999, 18:43 GMT
<UL>
<LI><strong><A NAME="00715" HREF="msg00715.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Katrina McClelan <a href="mailto:kitkat#marcus,pants.nu">kitkat#marcus,pants.nu</a>, Thu 10 Jun 1999, 21:57 GMT
<UL>
<LI><strong><A NAME="00721" HREF="msg00721.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Adam Wiggins <a href="mailto:adam#angel,com">adam#angel,com</a>, Thu 10 Jun 1999, 22:41 GMT
</LI>
</UL>
</LI>
<LI><strong><A NAME="00717" HREF="msg00717.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Matthew Mihaly <a href="mailto:diablo#best,com">diablo#best,com</a>, Thu 10 Jun 1999, 22:15 GMT
<UL>
<LI><strong><A NAME="00722" HREF="msg00722.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Adam Wiggins <a href="mailto:adam#angel,com">adam#angel,com</a>, Thu 10 Jun 1999, 22:55 GMT
</LI>
<LI><strong><A NAME="00727" HREF="msg00727.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Katrina McClelan <a href="mailto:kitkat#marcus,pants.nu">kitkat#marcus,pants.nu</a>, Fri 11 Jun 1999, 01:35 GMT
<UL>
<LI><strong><A NAME="00745" HREF="msg00745.html">Re: [MUD-Dev] Text Parsing</A></strong>,
Jon A. Lambert <a href="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</a>, Fri 11 Jun 1999, 05:52 GMT
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