do_say snippet [by Andrew]

Enhanced do_say, by Andrew Ritchie.
----------------------------------

Ok, this is basically a snippet on how to enhance the do_say ACMD, which
you will find in act.comm.c. I got a bit sick of people 'saying' emoticans -
which are ;) and :) etc. ACMD(do_say) does require a search and replace 
function, which I have included in this snippet. If you have any problems
with ither the ACMD or search_replace(), I'd be happy to help you out seeing
as I wrote them both. Just email object@alphalink.com.au.

- OPEN utils.h

Around line 36:
+ void search_replace(char *string, const char *find, const char *replace);

- CLOSE utils.h

- OPEN act.comm.c

Replace the entire ACMD(do_say) function with this:

ACMD(do_say)
{

        int face, state;

        skip_spaces(&argument);

        if (!*argument) {
                send_to_char("What do you want to say?\r\n", ch);
                return;
        }

        sprintf(buf, "$n ");
        sprintf(buf2, "You ");

        if (strstr(argument, ":)") != NULL) {
                face = 0;
        }

        else if (strstr(argument, ";)") != NULL) {
                face = 1;
        }

        else if (strstr(argument, ";(") != NULL) {
                face = 2;
        }
  
        else if (strstr(argument, ":(") != NULL) {
                face = 2;
        }
  
        search_replace(argument, " :)", "");
        search_replace(argument, " ;)", "");
        search_replace(argument, " ;(", "");
        search_replace(argument, " :(", "");
        search_replace(argument, ":)", "");
        search_replace(argument, ";)", "");
        search_replace(argument, ";(", "");
        search_replace(argument, ":(", "");
  
        if (!*argument) {
                send_to_char("What do you wish to say?\r\n", ch);
                return;
        }

        if (argument[strlen(argument)-1] != '.' && argument[strlen(argument)-1] != '?' 
           && argument[strlen(argument)-1] != '!')
                 strcat(argument, ".");

        if(strstr(argument, "?") != NULL)
                state = 1;
        else if(strstr(argument, "!") != NULL)
                state = 2;
        else
                state = 0;

        switch(face) {
        case 0:
                sprintf(buf + strlen(buf), "smiles and ");
                sprintf(buf2 + strlen(buf2), "smile and ");
                break;
        case 1:
                sprintf(buf + strlen(buf), "winks and ");
                sprintf(buf2 + strlen(buf2), "wink and ");
                break;
        case 2:
                sprintf(buf + strlen(buf), "frowns and ");
                sprintf(buf2 + strlen(buf2), "frown and ");
                break;
        default:
                break;
        }
        
        switch(state) {
        case 1:
                sprintf(buf + strlen(buf), "asks, \"%s\"", argument);
                sprintf(buf2 + strlen(buf2), "ask, \"%s\"", argument);
                break;
        case 2:
                sprintf(buf + strlen(buf), "exclaims, \"%s\"", argument);
                sprintf(buf2 + strlen(buf2), "exclaim, \"%s\"", argument);
                break;
        case 0:
                sprintf(buf + strlen(buf), "says, \"%s\"", argument);
                sprintf(buf2 + strlen(buf2), "say, \"%s\"", argument);
                break;
        default:
                break;
        }

        act(buf, FALSE, ch, 0, 0, TO_ROOM);

  if (!IS_NPC(ch) && PRF_FLAGGED(ch, PRF_NOREPEAT))
    send_to_char(OK, ch);
  else {
    act(buf2, FALSE, ch, 0, argument, TO_CHAR);
  }
 
}

- CLOSE act.comm.c

- OPEN utils.c

Wherever you like, add in this function:

void search_replace(char *string, const char *find, const char *replace)
{
        char final[MAX_INPUT_LENGTH], temp[2];
        size_t start, end, i;

        while (strstr(string, find) != NULL) {

                final[0] = '\0';
                start = strstr(string, find) - string;
                end = start + strlen(find);

                temp[1] = '\0';

                strncat(final, string, start);
                
                strcat(final, replace);

                for (i = end; string[i] != '\0'; i++) {
                        temp[0] = string[i];
                        strcat(final, temp);
                }

                sprintf(string, final);

        }
        return;
}
        
- CLOSE utils.c

That should be about it. Hope this snippet helps in some way. Oh, and you don't
have to give me any credit. Trust me, running a MUD is so much harder than coding
it, so if you get a successful mud up with or without this snippet, I'll be 
crediting you ;) 

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