Multiplayer Limiting [by Boxboy]

How I dealt with Multiplaying

Bored of checking the 'user' command everytime someone logins on, just to make sure they aren't
sharing equipment/items? Heres what I did to stop people.
Whats so special about this? It allows you to set a maximum amount of connections from a single
host.
** Disclaimer **
This worked for me, and should work for you. If it kills your mud do not blame me, because its
not my fault  :)

This is nice and basic.

Firstly lets define the plr_flag.
Open structs.h
and search for:

#define PLR_

at the bottom of that list add:

#define PLR_MULTIPLAYER   (1 >> XX) // XX should be one number higher than then PLR_ above

Next, at the top of interpreter.c look for the external ints and just below the last one add:

int multi_play_limit = 2;

Then go down to nanny(), at the top you will need to add some bits.
Look for:

struct descriptor_data *pt;

and change it to:

struct descriptor_data *pt, *k, *next_k;

and just below that you should see:

int player_i, load_result;

and change that to:

int player_i, load_result, connections=0;

further on down you should see this bit of the WizLock code:

      if (GET_LEVEL(d->character) < circle_restrict) {
	SEND_TO_Q("The game is temporarily restricted.. try again later.\r\n", d);
	STATE(d) = CON_CLOSE;
	sprintf(buf, "Request for login denied for %s [%s] (wizlock)",
		GET_NAME(d->character), d->host);
	mudlog(buf, NRM, LVL_GOD, TRUE);
	return;
      }

then below it just add:

	  //BoxBoy: Multiplay checking (d->host)
	  for (k = descriptor_list; k; k = next_k) {
		  next_k = k->next;
		  if (k->host == d->host) {
			  connections++;
				  if(connections > multi_play_limit && !PLR_FLAGGED(d->character, PLR_MULTIPLAYER)) {
					  SEND_TO_Q("No more connections from your server, max multiplay limit reached.\r\n", d);
					  STATE(d) = CON_CLOSE;
					  sprintf(buf, "Max Multiplayer Limit Reached by [%s]", d->host);
					  mudlog(buf, NRM, LVL_GOD, TRUE);
					  return;
				  }
		  }
	  }
	  //BoxBoy: End Multiplay Checks

and thats it.

I actually put multi_play_limit in my config.c and then put an extern at the top of the file
but it seemed simpler to do it like this.
NOTE: I have an immortal command called 'world' which lets me change certain parts things in
the mud whilst I am online, I would recommend that you have a similar command.

BoxBoy

(Dimensia will hopefully be up full time soon.)

mud.guam.net 6000

http://dimensia.iwarp.com/

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