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IAC GA (request)

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4 weeks 1 day ago #8764 by Enceladus
IAC GA (request) was created by Enceladus
Has anyone had any luck implementing a telnet go ahead for their prompt? The client Mudlet basically requires prompts to contain IAC GA at the end or it will hang for a few hundred milliseconds before delivering the prompt. I did a simple fix by tacking on \xFF\xF9 after the > in this line in the make_prompt function in comm.c:

snprintf(prompt, sizeof(prompt), "%s> ", GET_NAME(d->character));

and thought everything looked groovy after, but then discovered that some things without a normal prompt don't function quite right, such as OLC.

Does anyone use Mudlet and have success with implementing IAC GA properly?

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3 weeks 1 day ago #8773 by Enceladus
Replied by Enceladus on topic IAC GA (request)
Well here's what I did to make it work in the end ultimately. After limited testing, I couldn't find any bugs with it, though maybe snoop gets a little messed up. I borrowed a little bit of Luminari MUD's code for this as well. I'm just an amateur so if anyone has suggestions or advice let me know!

In comm.c find *make_prompt and replace as follows:
static char *make_prompt(struct descriptor_data *d)
{
  static char prompt[MAX_PROMPT_LENGTH];
  size_t len = 0; /*moved these values up to here */
  int count;      
  /* Note, prompt is truncated at MAX_PROMPT_LENGTH chars (structs.h) */

    if (d->showstr_count)
  { 
	/* # of pages to page through */
    count = snprintf(prompt, sizeof(prompt),
                     "\t[ Return to continue, (q)uit, (r)efresh, (b)ack, or page number (%d/%d) ]\t",
                     d->showstr_page, d->showstr_count);
    if (count >= 0)
      len += count;
  }
  else if (d->str)
  {                       /* for the modify-str system */
    count = snprintf(prompt, sizeof(prompt), "] "); // strcpy: is NOT OK (for 'MAX_PROMPT_LENGTH >= 3')
     if (count >= 0)
      len += count;
  } /* start building a prompt */
  else if (STATE(d) == CON_PLAYING && !IS_NPC(d->character)) {


  /*  *prompt = '\0';  */

    if (GET_INVIS_LEV(d->character) && len < sizeof(prompt)) {
      count = snprintf(prompt + len, sizeof(prompt) - len, "i%d ", GET_INVIS_LEV(d->character));
      if (count >= 0)
        len += count;
    }
    /* show only when below 25% */
    if (PRF_FLAGGED(d->character, PRF_DISPAUTO) && len < sizeof(prompt)) {
      struct char_data *ch = d->character;
      if (GET_HIT(ch) << 2 < GET_MAX_HIT(ch) ) {
        count = snprintf(prompt + len, sizeof(prompt) - len, "%dH ", GET_HIT(ch));
        if (count >= 0)
          len += count;
      }
      if (GET_MANA(ch) << 2 < GET_MAX_MANA(ch) && len < sizeof(prompt)) {
        count = snprintf(prompt + len, sizeof(prompt) - len, "%dM ", GET_MANA(ch));
        if (count >= 0)
          len += count;
      }
      if (GET_MOVE(ch) << 2 < GET_MAX_MOVE(ch) && len < sizeof(prompt)) {
        count = snprintf(prompt + len, sizeof(prompt) - len, "%dV ", GET_MOVE(ch));
        if (count >= 0)
          len += count;
      }
    } else { /* not auto prompt */
      if (PRF_FLAGGED(d->character, PRF_DISPHP) && len < sizeof(prompt)) {
        count = snprintf(prompt + len, sizeof(prompt) - len, "%dH ", GET_HIT(d->character));
        if (count >= 0)
          len += count;
      }

      if (PRF_FLAGGED(d->character, PRF_DISPMANA) && len < sizeof(prompt)) {
        count = snprintf(prompt + len, sizeof(prompt) - len, "%dM ", GET_MANA(d->character));
        if (count >= 0)
          len += count;
      }

      if (PRF_FLAGGED(d->character, PRF_DISPMOVE) && len < sizeof(prompt)) {
        count = snprintf(prompt + len, sizeof(prompt) - len, "%dV ", GET_MOVE(d->character));
        if (count >= 0)
          len += count;
      }
    }

    if (PRF_FLAGGED(d->character, PRF_BUILDWALK) && len < sizeof(prompt)) {
      count = snprintf(prompt + len, sizeof(prompt) - len, "BUILDWALKING ");
      if (count >= 0)
        len += count;
    }

    if (PRF_FLAGGED(d->character, PRF_AFK) && len < sizeof(prompt)) {
      count = snprintf(prompt + len, sizeof(prompt) - len, "AFK ");
      if (count >= 0)
        len += count;
    }

     if (GET_LAST_NEWS(d->character) < newsmod)
     {
       count = snprintf(prompt + len, sizeof(prompt) - len, "(news) ");
       if (count >= 0)
         len += count;
     }

     if (GET_LAST_MOTD(d->character) < motdmod)
     {
       count = snprintf(prompt + len, sizeof(prompt) - len, "(motd) ");
       if (count >= 0)
         len += count;
     }

    if (len < sizeof(prompt))
     {
       count = snprintf(prompt + len, sizeof(prompt) - len, "> ");
       if (count >= 0)
         len += count;
}
  } 
        /*START OF NPC PROMPT FOR SWITCHED PLAYERS*/
    else if (STATE(d) == CON_PLAYING && IS_NPC(d->character))
{
       count = snprintf(prompt + len, sizeof(prompt) - len, "%s>%c%c",GET_NAME(d->character),(char)IAC, (char)GA);
       if (count >= 0)
         len += count;
}
    /*END OF NPC PROMPT FOR SWITCHED PLAYERS*/    
   
else
    *prompt = '\0';
       if (len < sizeof(prompt))
     {
       count = snprintf(prompt + len, sizeof(prompt) - len, "%c%c",(char)IAC, (char)GA);
       if (count >= 0)
         len += count; 
}

  return (prompt);
}

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3 weeks 5 hours ago #8775 by thomas
Replied by thomas on topic IAC GA (request)
Have you tested this with a regular telnet client as well?

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2 weeks 5 days ago #8780 by Enceladus
Replied by Enceladus on topic IAC GA (request)
Yes. Telnet terminal and TinTin++ seems to work fine.

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