/*
* RAM $Id: comm.c 16 2008-10-22 04:42:21Z ram $
*/
/***************************************************************************
* Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer, *
* Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe. *
* *
* Merc Diku Mud improvments copyright (C) 1992, 1993 by Michael *
* Chastain, Michael Quan, and Mitchell Tse. *
* *
* In order to use any part of this Merc Diku Mud, you must comply with *
* both the original Diku license in 'license.doc' as well the Merc *
* license in 'license.txt'. In particular, you may not remove either of *
* these copyright notices. *
* *
* Thanks to abaddon for proof-reading our comm.c and pointing out bugs. *
* Any remaining bugs are, of course, our work, not his. :) *
* *
* Much time and thought has gone into this software and you are *
* benefitting. We hope that you share your changes too. What goes *
* around, comes around. *
***************************************************************************/
/***************************************************************************
* ROM 2.4 is copyright 1993-1998 Russ Taylor *
* ROM has been brought to you by the ROM consortium *
* Russ Taylor (rtaylor@hypercube.org) *
* Gabrielle Taylor (gtaylor@hypercube.org) *
* Brian Moore (zump@rom.org) *
* By using this code, you have agreed to follow the terms of the *
* ROM license, in the file Rom24/doc/rom.license *
***************************************************************************/
/*
* This file contains all of the OS-dependent stuff:
* startup, signals, BSD sockets for tcp/ip, i/o, timing.
*
* The data flow for input is:
* Game_loop ---> Read_from_descriptor ---> Read
* Game_loop ---> Read_from_buffer
*
* The data flow for output is:
* Game_loop ---> Process_Output ---> Write_to_descriptor -> Write
*
* The OS-dependent functions are Read_from_descriptor and Write_to_descriptor.
* -- Furey 26 Jan 1993
*/
#include <sys/types.h>
#include <sys/time.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/telnet.h>
#include <stdarg.h>
#if !defined(NOCRYPT)
#include "sha256.h"
#endif
#include "merc.h"
#include "recycle.h"
#include "tables.h"
#include "db.h"
#include "act.h"
#include "interp.h"
/*
* Malloc debugging stuff.
*/
#if defined(MALLOC_DEBUG)
#include <malloc.h>
extern int malloc_debug( int );
extern int malloc_verify( void );
#endif
/*
* Socket and TCP/IP stuff.
*/
const char echo_off_str[] = { IAC, WILL, TELOPT_ECHO, '\0' };
const char echo_on_str[] = { IAC, WONT, TELOPT_ECHO, '\0' };
const char go_ahead_str[] = { IAC, GA, '\0' };
/*
* Global variables.
*/
DESCRIPTOR_DATA *descriptor_list; /* All open descriptors */
bool god; /* All new chars are gods! */
bool merc_down; /* Shutdown */
bool wizlock; /* Game is wizlocked */
bool newlock; /* Game is newlocked */
char str_boot_time[MAX_INPUT_LENGTH];
time_t current_time; /* time of this pulse */
int main( int argc, char **argv )
{
struct timeval now_time;
int port;
int control;
/*
* Memory debugging if needed.
*/
#if defined(MALLOC_DEBUG)
malloc_debug( 2 );
#endif
/*
* Init time.
*/
gettimeofday( &now_time, NULL );
current_time = ( time_t ) now_time.tv_sec;
strcpy( str_boot_time, ctime( ¤t_time ) );
/*
* Get the port number.
*/
port = 4000;
if ( argc > 1 )
{
if ( !is_number( argv[1] ) )
{
proper_exit( 1, "Usage: %s [port #]\n", argv[0] );
}
else if ( ( port = atoi( argv[1] ) ) <= 1024 )
{
proper_exit( 1, "Port number must be above 1024.\n" );
}
}
/*
* Run the game.
*/
control = init_socket( port );
boot_db( );
sprintf( log_buf, "ROM is ready to rock on port %d.", port );
log_string( log_buf );
game_loop( control );
close( control );
/*
* That's all, folks.
*/
proper_exit( 0, "Normal termination of game." );
return 0;
}
int init_socket( int port )
{
static struct sockaddr_in sa_zero;
struct sockaddr_in sa;
int x = 1;
int fd;
if ( ( fd = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
{
char *e = strerror( errno );
proper_exit( 1, "Init_socket: socket: %s\n", e );
}
if ( setsockopt( fd, SOL_SOCKET, SO_REUSEADDR, ( char * ) &x, sizeof( x ) ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( 1, "Init_socket: SO_REUSEADDR: %s\n", e );
}
#if defined(SO_DONTLINGER) && !defined(SYSV)
{
struct linger ld;
ld.l_onoff = 1;
ld.l_linger = 1000;
if ( setsockopt( fd, SOL_SOCKET, SO_DONTLINGER,
( char * ) &ld, sizeof( ld ) ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( 1, "Init_socket: SO_DONTLINGER: %s\n", e );
}
}
#endif
sa = sa_zero;
sa.sin_family = AF_INET;
sa.sin_port = htons( port );
if ( bind( fd, ( struct sockaddr * ) &sa, sizeof( sa ) ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( 1, "Init socket: bind: %s\n", e );
}
if ( listen( fd, 3 ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( 1, "Init socket: listen: %s\n", e );
}
return fd;
}
void game_loop( int control )
{
static struct timeval null_time;
struct timeval last_time;
DESCRIPTOR_DATA *d_next;
signal( SIGPIPE, SIG_IGN );
signal( SIGINT, shutdown_request );
signal( SIGTERM, shutdown_request );
gettimeofday( &last_time, NULL );
current_time = ( time_t ) last_time.tv_sec;
/*
* Main loop
*/
while ( !merc_down )
{
fd_set in_set;
fd_set out_set;
fd_set exc_set;
DESCRIPTOR_DATA *d;
int maxdesc;
#if defined(MALLOC_DEBUG)
if ( malloc_verify( ) != 1 )
abort( );
#endif
/*
* Poll all active descriptors.
*/
FD_ZERO( &in_set );
FD_ZERO( &out_set );
FD_ZERO( &exc_set );
FD_SET( control, &in_set );
maxdesc = control;
for ( d = descriptor_list; d; d = d->next )
{
maxdesc = UMAX( maxdesc, d->descriptor );
FD_SET( d->descriptor, &in_set );
FD_SET( d->descriptor, &out_set );
FD_SET( d->descriptor, &exc_set );
}
if ( select( maxdesc + 1, &in_set, &out_set, &exc_set, &null_time ) < 0 )
{
char *e = strerror( errno );
proper_exit( 1, "Game_loop: select: poll: %s\n", e );
}
/*
* New connection?
*/
if ( FD_ISSET( control, &in_set ) )
init_descriptor( control );
/*
* Kick out the freaky folks.
*/
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
if ( FD_ISSET( d->descriptor, &exc_set ) )
{
FD_CLR( d->descriptor, &in_set );
FD_CLR( d->descriptor, &out_set );
if ( d->character && d->connected == CON_PLAYING )
save_char_obj( d->character );
d->outtop = 0;
close_socket( d );
}
}
/*
* Process input.
*/
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
d->fcommand = FALSE;
if ( FD_ISSET( d->descriptor, &in_set ) )
{
if ( d->character != NULL )
d->character->timer = 0;
if ( !read_from_descriptor( d ) )
{
FD_CLR( d->descriptor, &out_set );
if ( d->character != NULL && d->connected == CON_PLAYING )
save_char_obj( d->character );
d->outtop = 0;
close_socket( d );
continue;
}
}
if ( d->character != NULL && d->character->daze > 0 )
--d->character->daze;
if ( d->character != NULL && d->character->wait > 0 )
{
--d->character->wait;
continue;
}
read_from_buffer( d );
if ( d->incomm[0] != '\0' )
{
d->fcommand = TRUE;
stop_idling( d->character );
if ( d->showstr_point )
show_string( d, d->incomm );
else if ( d->connected == CON_PLAYING )
substitute_alias( d, d->incomm );
else
nanny( d, d->incomm );
d->incomm[0] = '\0';
}
}
/*
* Autonomous game motion.
*/
update_handler( );
/*
* Output.
*/
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
if ( ( d->fcommand || d->outtop > 0 ) && FD_ISSET( d->descriptor, &out_set ) )
{
if ( !process_output( d, TRUE ) )
{
if ( d->character != NULL && d->connected == CON_PLAYING )
save_char_obj( d->character );
d->outtop = 0;
close_socket( d );
}
}
}
/*
* Synchronize to a clock.
* Sleep( last_time + 1/PULSE_PER_SECOND - now ).
* Careful here of signed versus unsigned arithmetic.
*/
{
struct timeval now_time;
int secDelta;
int usecDelta;
gettimeofday( &now_time, NULL );
usecDelta = ( ( int ) last_time.tv_usec ) - ( ( int ) now_time.tv_usec )
+ 1000000 / PULSE_PER_SECOND;
secDelta = ( ( int ) last_time.tv_sec ) - ( ( int ) now_time.tv_sec );
while ( usecDelta < 0 )
{
usecDelta += 1000000;
secDelta -= 1;
}
while ( usecDelta >= 1000000 )
{
usecDelta -= 1000000;
secDelta += 1;
}
if ( secDelta > 0 || ( secDelta == 0 && usecDelta > 0 ) )
{
struct timeval stall_time;
stall_time.tv_usec = usecDelta;
stall_time.tv_sec = secDelta;
if ( select( 0, NULL, NULL, NULL, &stall_time ) < 0 )
{
char *e = strerror( errno );
proper_exit( 1, "Game_loop: select: stall: %s\n", e );
}
}
}
gettimeofday( &last_time, NULL );
current_time = ( time_t ) last_time.tv_sec;
}
return;
}
void init_descriptor( int control )
{
char buf[MAX_STRING_LENGTH];
DESCRIPTOR_DATA *dnew;
struct sockaddr_in sock;
struct hostent *from;
int desc;
socklen_t size;
size = sizeof( sock );
getsockname( control, ( struct sockaddr * ) &sock, &size );
if ( ( desc = accept( control, ( struct sockaddr * ) &sock, &size ) ) < 0 )
{
perror( "New_descriptor: accept" );
return;
}
#if !defined(FNDELAY)
#define FNDELAY O_NDELAY
#endif
if ( fcntl( desc, F_SETFL, FNDELAY ) == -1 )
{
perror( "New_descriptor: fcntl: FNDELAY" );
return;
}
/*
* Cons a new descriptor.
*/
dnew = new_descriptor( );
dnew->descriptor = desc;
dnew->connected = CON_GET_NAME;
dnew->showstr_head = NULL;
dnew->showstr_point = NULL;
dnew->outsize = 2000;
dnew->outbuf = ( char * ) alloc_mem( dnew->outsize );
size = sizeof( sock );
if ( getpeername( desc, ( struct sockaddr * ) &sock, &size ) < 0 )
{
perror( "New_descriptor: getpeername" );
dnew->host = str_dup( "(unknown)" );
}
else
{
/*
* Would be nice to use inet_ntoa here but it takes a struct arg,
* which ain't very compatible between gcc and system libraries.
*/
int addr;
addr = ntohl( sock.sin_addr.s_addr );
sprintf( buf, "%d.%d.%d.%d",
( addr >> 24 ) & 0xFF, ( addr >> 16 ) & 0xFF,
( addr >> 8 ) & 0xFF, ( addr ) & 0xFF );
sprintf( log_buf, "Sock.sinaddr: %s", buf );
log_string( log_buf );
from = gethostbyaddr( ( char * ) &sock.sin_addr,
sizeof( sock.sin_addr ), AF_INET );
dnew->host = str_dup( from ? from->h_name : buf );
}
/*
* Swiftest: I added the following to ban sites. I don't
* endorse banning of sites, but Copper has few descriptors now
* and some people from certain sites keep abusing access by
* using automated 'autodialers' and leaving connections hanging.
*
* Furey: added suffix check by request of Nickel of HiddenWorlds.
*/
if ( check_ban( dnew->host, BAN_ALL ) )
{
write_to_descriptor( desc, "Your site has been banned from this mud.\n\r", 0 );
close( desc );
free_descriptor( dnew );
return;
}
/*
* Init descriptor data.
*/
dnew->next = descriptor_list;
descriptor_list = dnew;
/*
* Send the greeting.
*/
{
if ( help_greeting[0] == '.' )
write_to_buffer( dnew, help_greeting + 1, 0 );
else
write_to_buffer( dnew, help_greeting, 0 );
}
return;
}
void close_socket( DESCRIPTOR_DATA *dclose )
{
CHAR_DATA *ch;
if ( dclose->outtop > 0 )
process_output( dclose, FALSE );
if ( dclose->snoop_by != NULL )
{
write_to_buffer( dclose->snoop_by, "Your victim has left the game.\n\r", 0 );
}
{
DESCRIPTOR_DATA *d;
for ( d = descriptor_list; d != NULL; d = d->next )
{
if ( d->snoop_by == dclose )
d->snoop_by = NULL;
}
}
if ( ( ch = dclose->character ) != NULL )
{
sprintf( log_buf, "Closing link to %s.", ch->name );
log_string( log_buf );
/*
* cut down on wiznet spam when rebooting
*/
if ( dclose->connected == CON_PLAYING && !merc_down )
{
act( "$n has lost $s link.", ch, NULL, NULL, TO_ROOM );
wiznet( "Net death has claimed $N.", ch, NULL, WIZ_LINKS, 0, 0 );
ch->desc = NULL;
}
else
{
free_char( dclose->original ? dclose->original : dclose->character );
}
}
/*
* if ( d_next == dclose ) d_next = d_next->next;
*/
if ( dclose == descriptor_list )
{
descriptor_list = descriptor_list->next;
}
else
{
DESCRIPTOR_DATA *d;
for ( d = descriptor_list; d && d->next != dclose; d = d->next )
;
if ( d != NULL )
d->next = dclose->next;
else
bug( "Close_socket: dclose not found.", 0 );
}
close( dclose->descriptor );
free_descriptor( dclose );
return;
}
bool read_from_descriptor( DESCRIPTOR_DATA *d )
{
size_t iStart;
/*
* Hold horses if pending command already.
*/
if ( d->incomm[0] != '\0' )
return TRUE;
/*
* Check for overflow.
*/
iStart = strlen( d->inbuf );
if ( iStart >= sizeof( d->inbuf ) - 10 )
{
sprintf( log_buf, "%s input overflow!", d->host );
log_string( log_buf );
write_to_descriptor( d->descriptor, "\n\r*** PUT A LID ON IT!!! ***\n\r", 0 );
return FALSE;
}
/*
* Snarf input.
*/
for ( ;; )
{
int nRead;
nRead = read( ( int ) d->descriptor, ( void * ) ( d->inbuf + iStart ),
sizeof( d->inbuf ) - 10 - iStart );
if ( nRead > 0 )
{
iStart += nRead;
if ( d->inbuf[iStart - 1] == '\n' || d->inbuf[iStart - 1] == '\r' )
break;
}
else if ( nRead == 0 )
{
log_string( "EOF encountered on read." );
return FALSE;
}
else if ( errno == EWOULDBLOCK )
break;
else
{
perror( "Read_from_descriptor" );
return FALSE;
}
}
d->inbuf[iStart] = '\0';
return TRUE;
}
/*
* Transfer one line from input buffer to input line.
*/
void read_from_buffer( DESCRIPTOR_DATA *d )
{
int i,
j,
k;
/*
* Hold horses if pending command already.
*/
if ( d->incomm[0] != '\0' )
return;
/*
* Look for at least one new line.
*/
for ( i = 0; d->inbuf[i] != '\n' && d->inbuf[i] != '\r'; i++ )
{
if ( d->inbuf[i] == '\0' )
return;
}
/*
* Canonical input processing.
*/
for ( i = 0, k = 0; d->inbuf[i] != '\n' && d->inbuf[i] != '\r'; i++ )
{
if ( k >= MAX_INPUT_LENGTH - 2 )
{
write_to_descriptor( d->descriptor, "Line too long.\n\r", 0 );
/*
* skip the rest of the line
*/
for ( ; d->inbuf[i] != '\0'; i++ )
{
if ( d->inbuf[i] == '\n' || d->inbuf[i] == '\r' )
break;
}
d->inbuf[i] = '\n';
d->inbuf[i + 1] = '\0';
break;
}
if ( d->inbuf[i] == '\b' && k > 0 )
--k;
else if ( isascii( d->inbuf[i] ) && isprint( d->inbuf[i] ) )
d->incomm[k++] = d->inbuf[i];
}
/*
* Finish off the line.
*/
if ( k == 0 )
d->incomm[k++] = ' ';
d->incomm[k] = '\0';
/*
* Deal with bozos with #repeat 1000 ...
*/
if ( k > 1 || d->incomm[0] == '!' )
{
if ( d->incomm[0] != '!' && strcmp( d->incomm, d->inlast ) )
{
d->repeat = 0;
}
else
{
if ( ++d->repeat >= 25 && d->character && d->connected == CON_PLAYING )
{
sprintf( log_buf, "%s input spamming!", d->host );
log_string( log_buf );
wiznet( "Spam spam spam $N spam spam spam spam spam!",
d->character, NULL, WIZ_SPAM, 0, get_trust( d->character ) );
if ( d->incomm[0] == '!' )
wiznet( d->inlast, d->character, NULL, WIZ_SPAM, 0,
get_trust( d->character ) );
else
wiznet( d->incomm, d->character, NULL, WIZ_SPAM, 0,
get_trust( d->character ) );
d->repeat = 0;
/*
write_to_descriptor( d->descriptor,
"\n\r*** PUT A LID ON IT!!! ***\n\r", 0 );
strcpy( d->incomm, "quit" );
*/
}
}
}
/*
* Do '!' substitution.
*/
if ( d->incomm[0] == '!' )
strcpy( d->incomm, d->inlast );
else
strcpy( d->inlast, d->incomm );
/*
* Shift the input buffer.
*/
while ( d->inbuf[i] == '\n' || d->inbuf[i] == '\r' )
i++;
for ( j = 0; ( d->inbuf[j] = d->inbuf[i + j] ) != '\0'; j++ )
;
return;
}
/*
* Low level output function.
*/
bool process_output( DESCRIPTOR_DATA *d, bool fPrompt )
{
/*
* Bust a prompt.
*/
if ( !merc_down && d->showstr_point )
write_to_buffer( d, "[Hit Return to continue]\n\r", 0 );
else if ( fPrompt && !merc_down && d->connected == CON_PLAYING )
{
CHAR_DATA *ch;
CHAR_DATA *victim;
ch = d->character;
/*
* battle prompt
*/
if ( ( victim = ch->fighting ) != NULL && can_see( ch, victim ) )
{
int percent;
char wound[100];
char buf[MAX_STRING_LENGTH];
if ( victim->max_hit > 0 )
percent = victim->hit * 100 / victim->max_hit;
else
percent = -1;
if ( percent >= 100 )
sprintf( wound, "is in excellent condition." );
else if ( percent >= 90 )
sprintf( wound, "has a few scratches." );
else if ( percent >= 75 )
sprintf( wound, "has some small wounds and bruises." );
else if ( percent >= 50 )
sprintf( wound, "has quite a few wounds." );
else if ( percent >= 30 )
sprintf( wound, "has some big nasty wounds and scratches." );
else if ( percent >= 15 )
sprintf( wound, "looks pretty hurt." );
else if ( percent >= 0 )
sprintf( wound, "is in awful condition." );
else
sprintf( wound, "is bleeding to death." );
sprintf( buf, "%s %s \n\r",
IS_NPC( victim ) ? victim->short_descr : victim->name, wound );
buf[0] = UPPER( buf[0] );
write_to_buffer( d, buf, 0 );
}
ch = d->original ? d->original : d->character;
if ( !IS_SET( ch->comm, COMM_COMPACT ) )
write_to_buffer( d, "\n\r", 2 );
if ( IS_SET( ch->comm, COMM_PROMPT ) )
bust_a_prompt( d->character );
if ( IS_SET( ch->comm, COMM_TELNET_GA ) )
write_to_buffer( d, go_ahead_str, 0 );
}
/*
* Short-circuit if nothing to write.
*/
if ( d->outtop == 0 )
return TRUE;
/*
* Snoop-o-rama.
*/
if ( d->snoop_by != NULL )
{
if ( d->character != NULL )
write_to_buffer( d->snoop_by, d->character->name, 0 );
write_to_buffer( d->snoop_by, "> ", 2 );
write_to_buffer( d->snoop_by, d->outbuf, d->outtop );
}
/*
* OS-dependent output.
*/
if ( !write_to_descriptor( d->descriptor, d->outbuf, d->outtop ) )
{
d->outtop = 0;
return FALSE;
}
else
{
d->outtop = 0;
return TRUE;
}
}
/*
* Bust a prompt (player settable prompt)
* coded by Morgenes for Aldara Mud
*/
void bust_a_prompt( CHAR_DATA *ch )
{
char buf[MAX_STRING_LENGTH];
char buf2[MAX_STRING_LENGTH];
const char *str;
const char *i;
char *point;
char doors[MAX_INPUT_LENGTH];
EXIT_DATA *pexit;
bool found;
int door;
point = buf;
str = ch->prompt;
if ( str == NULL || str[0] == '\0' )
{
sprintf( buf, "<%dhp %dm %dmv> %s", ch->hit, ch->mana, ch->move, ch->prefix );
send_to_char( buf, ch );
return;
}
if ( IS_SET( ch->comm, COMM_AFK ) )
{
send_to_char( "<AFK> ", ch );
return;
}
while ( *str != '\0' )
{
if ( *str != '%' )
{
*point++ = *str++;
continue;
}
++str;
switch ( *str )
{
default:
i = " ";
break;
case 'e':
found = FALSE;
doors[0] = '\0';
for ( door = 0; door < MAX_EXIT; door++ )
{
if ( ( pexit = ch->in_room->exit[door] ) != NULL
&& pexit->u1.to_room != NULL
&& ( can_see_room( ch, pexit->u1.to_room )
|| ( IS_AFFECTED( ch, AFF_INFRARED )
&& !IS_AFFECTED( ch, AFF_BLIND ) ) )
&& !IS_SET( pexit->exit_info, EX_CLOSED ) )
{
found = TRUE;
strcat( doors, dir_abbrev[door] );
}
}
if ( !found )
strcat( buf, "none" );
sprintf( buf2, "%s", doors );
i = buf2;
break;
case 'c':
sprintf( buf2, "%s", "\n\r" );
i = buf2;
break;
case 'h':
sprintf( buf2, "%d", ch->hit );
i = buf2;
break;
case 'H':
sprintf( buf2, "%d", ch->max_hit );
i = buf2;
break;
case 'm':
sprintf( buf2, "%d", ch->mana );
i = buf2;
break;
case 'M':
sprintf( buf2, "%d", ch->max_mana );
i = buf2;
break;
case 'v':
sprintf( buf2, "%d", ch->move );
i = buf2;
break;
case 'V':
sprintf( buf2, "%d", ch->max_move );
i = buf2;
break;
case 'x':
sprintf( buf2, "%d", ch->exp );
i = buf2;
break;
case 'X':
sprintf( buf2, "%d", IS_NPC( ch ) ? 0 :
( ch->level + 1 ) * exp_per_level( ch,
ch->pcdata->points ) -
ch->exp );
i = buf2;
break;
case 'g':
sprintf( buf2, "%d", ch->gold );
i = buf2;
break;
case 's':
sprintf( buf2, "%d", ch->silver );
i = buf2;
break;
case 'a':
if ( ch->level > 9 )
sprintf( buf2, "%d", ch->alignment );
else
sprintf( buf2, "%s", IS_GOOD( ch ) ? "good" : IS_EVIL( ch ) ?
"evil" : "neutral" );
i = buf2;
break;
case 'r':
if ( ch->in_room != NULL )
sprintf( buf2, "%s",
( ( !IS_NPC( ch ) && IS_SET( ch->act, PLR_HOLYLIGHT ) ) ||
( !IS_AFFECTED( ch, AFF_BLIND )
&& !room_is_dark( ch->in_room ) ) ) ? ch->in_room->
name : "darkness" );
else
sprintf( buf2, " " );
i = buf2;
break;
case 'R':
if ( IS_IMMORTAL( ch ) && ch->in_room != NULL )
sprintf( buf2, "%d", ch->in_room->vnum );
else
sprintf( buf2, " " );
i = buf2;
break;
case 'z':
if ( IS_IMMORTAL( ch ) && ch->in_room != NULL )
sprintf( buf2, "%s", ch->in_room->area->name );
else
sprintf( buf2, " " );
i = buf2;
break;
case '%':
sprintf( buf2, "%%" );
i = buf2;
break;
}
++str;
while ( ( *point = *i ) != '\0' )
++point, ++i;
}
write_to_buffer( ch->desc, buf, point - buf );
if ( ch->prefix[0] != '\0' )
write_to_buffer( ch->desc, ch->prefix, 0 );
return;
}
/*
* Append onto an output buffer.
*/
void write_to_buffer( DESCRIPTOR_DATA *d, const char *txt, int length )
{
/*
* Find length in case caller didn't.
*/
if ( length <= 0 )
length = strlen( txt );
/*
* Initial \n\r if needed.
*/
if ( d->outtop == 0 && !d->fcommand )
{
d->outbuf[0] = '\n';
d->outbuf[1] = '\r';
d->outtop = 2;
}
/*
* Expand the buffer as needed.
*/
while ( d->outtop + length >= d->outsize )
{
char *outbuf;
if ( d->outsize >= 32000 )
{
bug( "Buffer overflow. Closing.\n\r", 0 );
close_socket( d );
return;
}
outbuf = ( char * ) alloc_mem( 2 * d->outsize );
strncpy( outbuf, d->outbuf, d->outtop );
free_mem( d->outbuf, d->outsize );
d->outbuf = outbuf;
d->outsize *= 2;
}
/*
* Copy.
*/
strncpy( d->outbuf + d->outtop, txt, length );
d->outtop += length;
return;
}
/*
* Lowest level output function.
* Write a block of text to the file descriptor.
* If this gives errors on very long blocks (like 'ofind all'),
* try lowering the max block size.
*/
bool write_to_descriptor( int desc, const char *txt, int length )
{
int iStart;
int nWrite;
size_t nBlock;
if ( length <= 0 )
length = strlen( txt );
for ( iStart = 0; iStart < length; iStart += nWrite )
{
nBlock = UMIN( length - iStart, 4096 );
if ( ( nWrite =
write( ( int ) desc, ( const void * ) ( txt + iStart ), nBlock ) ) < 0 )
{
perror( "Write_to_descriptor" );
return FALSE;
}
}
return TRUE;
}
/*
* Deal with sockets that haven't logged in yet.
*/
void nanny( DESCRIPTOR_DATA *d, const char *argument )
{
DESCRIPTOR_DATA *d_old,
*d_next;
char buf[MAX_STRING_LENGTH];
char arg[MAX_INPUT_LENGTH];
CHAR_DATA *ch;
const char *pwdnew;
const char *p;
int iClass,
race,
i,
weapon;
bool fOld;
char local_argument[MAX_INPUT_LENGTH];
const char *lap = local_argument;
while ( isspace( *argument ) )
argument++;
ch = d->character;
switch ( d->connected )
{
default:
bug( "Nanny: bad d->connected %d.", d->connected );
close_socket( d );
return;
case CON_GET_NAME:
if ( argument[0] == '\0' )
{
close_socket( d );
return;
}
strcpy( local_argument, argument );
local_argument[0] = UPPER( local_argument[0] );
if ( !check_parse_name( lap ) )
{
write_to_buffer( d, "Illegal name, try another.\n\rName: ", 0 );
return;
}
fOld = load_char_obj( d, lap );
ch = d->character;
if ( IS_SET( ch->act, PLR_DENY ) )
{
sprintf( log_buf, "Denying access to %s@%s.", lap, d->host );
log_string( log_buf );
write_to_buffer( d, "You are denied access.\n\r", 0 );
close_socket( d );
return;
}
if ( check_ban( d->host, BAN_PERMIT ) && !IS_SET( ch->act, PLR_PERMIT ) )
{
write_to_buffer( d, "Your site has been banned from this mud.\n\r", 0 );
close_socket( d );
return;
}
if ( check_reconnect( d, lap, FALSE ) )
{
fOld = TRUE;
}
else
{
if ( wizlock && !IS_IMMORTAL( ch ) )
{
write_to_buffer( d, "The game is wizlocked.\n\r", 0 );
close_socket( d );
return;
}
}
if ( fOld )
{
/*
* Old player
*/
write_to_buffer( d, "Password: ", 0 );
write_to_buffer( d, echo_off_str, 0 );
d->connected = CON_GET_OLD_PASSWORD;
return;
}
else
{
/*
* New player
*/
if ( newlock )
{
write_to_buffer( d, "The game is newlocked.\n\r", 0 );
close_socket( d );
return;
}
if ( check_ban( d->host, BAN_NEWBIES ) )
{
write_to_buffer( d,
"New players are not allowed from your site.\n\r",
0 );
close_socket( d );
return;
}
sprintf( buf, "Did I get that right, %s (Y/N)? ", lap );
write_to_buffer( d, buf, 0 );
d->connected = CON_CONFIRM_NEW_NAME;
return;
}
break;
case CON_GET_OLD_PASSWORD:
write_to_buffer( d, "\n\r", 2 );
if ( strcmp( CRYPT( argument ), ch->pcdata->pwd ) )
{
write_to_buffer( d, "Wrong password.\n\r", 0 );
close_socket( d );
return;
}
write_to_buffer( d, echo_on_str, 0 );
if ( check_playing( d, ch->name ) )
return;
if ( check_reconnect( d, ch->name, TRUE ) )
return;
sprintf( log_buf, "%s@%s has connected.", ch->name, d->host );
log_string( log_buf );
wiznet( log_buf, NULL, NULL, WIZ_SITES, 0, get_trust( ch ) );
if ( IS_IMMORTAL( ch ) )
{
do_function( ch, &do_help, "imotd" );
d->connected = CON_READ_IMOTD;
}
else
{
do_function( ch, &do_help, "motd" );
d->connected = CON_READ_MOTD;
}
break;
/* RT code for breaking link */
case CON_BREAK_CONNECT:
switch ( *argument )
{
case 'y':
case 'Y':
for ( d_old = descriptor_list; d_old != NULL; d_old = d_next )
{
d_next = d_old->next;
if ( d_old == d || d_old->character == NULL )
continue;
if ( str_cmp( ch->name, d_old->original ?
d_old->original->name : d_old->character->name ) )
continue;
close_socket( d_old );
}
if ( check_reconnect( d, ch->name, TRUE ) )
return;
write_to_buffer( d, "Reconnect attempt failed.\n\rName: ", 0 );
if ( d->character != NULL )
{
free_char( d->character );
d->character = NULL;
}
d->connected = CON_GET_NAME;
break;
case 'n':
case 'N':
write_to_buffer( d, "Name: ", 0 );
if ( d->character != NULL )
{
free_char( d->character );
d->character = NULL;
}
d->connected = CON_GET_NAME;
break;
default:
write_to_buffer( d, "Please type Y or N? ", 0 );
break;
}
break;
case CON_CONFIRM_NEW_NAME:
switch ( *argument )
{
case 'y':
case 'Y':
sprintf( buf, "New character.\n\rGive me a password for %s: %s",
ch->name, echo_off_str );
write_to_buffer( d, buf, 0 );
d->connected = CON_GET_NEW_PASSWORD;
break;
case 'n':
case 'N':
write_to_buffer( d, "Ok, what IS it, then? ", 0 );
free_char( d->character );
d->character = NULL;
d->connected = CON_GET_NAME;
break;
default:
write_to_buffer( d, "Please type Yes or No? ", 0 );
break;
}
break;
case CON_GET_NEW_PASSWORD:
write_to_buffer( d, "\n\r", 2 );
if ( strlen( argument ) < 5 )
{
write_to_buffer( d,
"Password must be at least five characters long.\n\rPassword: ",
0 );
return;
}
pwdnew = CRYPT( argument );
for ( p = pwdnew; *p != '\0'; p++ )
{
if ( *p == '~' )
{
write_to_buffer( d,
"New password not acceptable, try again.\n\rPassword: ",
0 );
return;
}
}
free_string( ch->pcdata->pwd );
ch->pcdata->pwd = str_dup( pwdnew );
write_to_buffer( d, "Please retype password: ", 0 );
d->connected = CON_CONFIRM_NEW_PASSWORD;
break;
case CON_CONFIRM_NEW_PASSWORD:
write_to_buffer( d, "\n\r", 2 );
if ( strcmp( CRYPT( argument ), ch->pcdata->pwd ) )
{
write_to_buffer( d, "Passwords don't match.\n\rRetype password: ", 0 );
d->connected = CON_GET_NEW_PASSWORD;
return;
}
write_to_buffer( d, echo_on_str, 0 );
write_to_buffer( d, "The following races are available:\n\r ", 0 );
for ( race = 1; race_table[race].name != NULL; race++ )
{
if ( !race_table[race].pc_race )
break;
write_to_buffer( d, race_table[race].name, 0 );
write_to_buffer( d, " ", 1 );
}
write_to_buffer( d, "\n\r", 0 );
write_to_buffer( d, "What is your race (help for more information)? ", 0 );
d->connected = CON_GET_NEW_RACE;
break;
case CON_GET_NEW_RACE:
one_argument( argument, arg );
if ( !strcmp( arg, "help" ) )
{
argument = one_argument( argument, arg );
if ( argument[0] == '\0' )
do_function( ch, &do_help, "race help" );
else
do_function( ch, &do_help, argument );
write_to_buffer( d,
"What is your race (help for more information)? ", 0 );
break;
}
race = race_lookup( argument );
if ( race == 0 || !race_table[race].pc_race )
{
write_to_buffer( d, "That is not a valid race.\n\r", 0 );
write_to_buffer( d, "The following races are available:\n\r ", 0 );
for ( race = 1; race_table[race].name != NULL; race++ )
{
if ( !race_table[race].pc_race )
break;
write_to_buffer( d, race_table[race].name, 0 );
write_to_buffer( d, " ", 1 );
}
write_to_buffer( d, "\n\r", 0 );
write_to_buffer( d,
"What is your race? (help for more information) ", 0 );
break;
}
ch->race = race;
/*
* initialize stats
*/
for ( i = 0; i < MAX_STATS; i++ )
ch->perm_stat[i] = pc_race_table[race].stats[i];
ch->affected_by = ch->affected_by | race_table[race].aff;
ch->imm_flags = ch->imm_flags | race_table[race].imm;
ch->res_flags = ch->res_flags | race_table[race].res;
ch->vuln_flags = ch->vuln_flags | race_table[race].vuln;
ch->form = race_table[race].form;
ch->parts = race_table[race].parts;
/*
* add skills
*/
for ( i = 0; i < 5; i++ )
{
if ( pc_race_table[race].skills[i] == NULL )
break;
group_add( ch, pc_race_table[race].skills[i], FALSE );
}
/*
* add cost
*/
ch->pcdata->points = pc_race_table[race].points;
ch->size = pc_race_table[race].size;
write_to_buffer( d, "What is your sex (M/F)? ", 0 );
d->connected = CON_GET_NEW_SEX;
break;
case CON_GET_NEW_SEX:
switch ( argument[0] )
{
case 'm':
case 'M':
ch->sex = SEX_MALE;
ch->pcdata->true_sex = SEX_MALE;
break;
case 'f':
case 'F':
ch->sex = SEX_FEMALE;
ch->pcdata->true_sex = SEX_FEMALE;
break;
default:
write_to_buffer( d, "That's not a sex.\n\rWhat IS your sex? ", 0 );
return;
}
strcpy( buf, "Select a class [" );
for ( iClass = 0; iClass < MAX_CLASS; iClass++ )
{
if ( iClass > 0 )
strcat( buf, " " );
strcat( buf, class_table[iClass].name );
}
strcat( buf, "]: " );
write_to_buffer( d, buf, 0 );
d->connected = CON_GET_NEW_CLASS;
break;
case CON_GET_NEW_CLASS:
iClass = class_lookup( argument );
if ( iClass == -1 )
{
write_to_buffer( d, "That's not a class.\n\rWhat IS your class? ", 0 );
return;
}
ch->iclass = iClass;
sprintf( log_buf, "%s@%s new player.", ch->name, d->host );
log_string( log_buf );
wiznet( "Newbie alert! $N sighted.", ch, NULL, WIZ_NEWBIE, 0, 0 );
wiznet( log_buf, NULL, NULL, WIZ_SITES, 0, get_trust( ch ) );
write_to_buffer( d, "\n\r", 2 );
write_to_buffer( d, "You may be good, neutral, or evil.\n\r", 0 );
write_to_buffer( d, "Which alignment (G/N/E)? ", 0 );
d->connected = CON_GET_ALIGNMENT;
break;
case CON_GET_ALIGNMENT:
switch ( argument[0] )
{
case 'g':
case 'G':
ch->alignment = 750;
break;
case 'n':
case 'N':
ch->alignment = 0;
break;
case 'e':
case 'E':
ch->alignment = -750;
break;
default:
write_to_buffer( d, "That's not a valid alignment.\n\r", 0 );
write_to_buffer( d, "Which alignment (G/N/E)? ", 0 );
return;
}
write_to_buffer( d, "\n\r", 0 );
group_add( ch, "rom basics", FALSE );
group_add( ch, class_table[ch->iclass].base_group, FALSE );
ch->pcdata->learned[gsn_recall] = 50;
write_to_buffer( d, "Do you wish to customize this character?\n\r", 0 );
write_to_buffer( d,
"Customization takes time, but allows a wider range of skills and abilities.\n\r",
0 );
write_to_buffer( d, "Customize (Y/N)? ", 0 );
d->connected = CON_DEFAULT_CHOICE;
break;
case CON_DEFAULT_CHOICE:
write_to_buffer( d, "\n\r", 2 );
switch ( argument[0] )
{
case 'y':
case 'Y':
ch->gen_data = new_gen_data( );
ch->gen_data->points_chosen = ch->pcdata->points;
do_function( ch, &do_help, "group header" );
list_group_costs( ch );
write_to_buffer( d, "You already have the following skills:\n\r", 0 );
do_function( ch, &do_skills, "" );
do_function( ch, &do_help, "menu choice" );
d->connected = CON_GEN_GROUPS;
break;
case 'n':
case 'N':
group_add( ch, class_table[ch->iclass].default_group, TRUE );
write_to_buffer( d, "\n\r", 2 );
write_to_buffer( d,
"Please pick a weapon from the following choices:\n\r",
0 );
buf[0] = '\0';
for ( i = 0; weapon_table[i].name != NULL; i++ )
if ( ch->pcdata->learned[*weapon_table[i].gsn] > 0 )
{
strcat( buf, weapon_table[i].name );
strcat( buf, " " );
}
strcat( buf, "\n\rYour choice? " );
write_to_buffer( d, buf, 0 );
d->connected = CON_PICK_WEAPON;
break;
default:
write_to_buffer( d, "Please answer (Y/N)? ", 0 );
return;
}
break;
case CON_PICK_WEAPON:
write_to_buffer( d, "\n\r", 2 );
weapon = weapon_lookup( argument );
if ( weapon == -1 || ch->pcdata->learned[*weapon_table[weapon].gsn] <= 0 )
{
write_to_buffer( d, "That's not a valid selection. Choices are:\n\r", 0 );
buf[0] = '\0';
for ( i = 0; weapon_table[i].name != NULL; i++ )
if ( ch->pcdata->learned[*weapon_table[i].gsn] > 0 )
{
strcat( buf, weapon_table[i].name );
strcat( buf, " " );
}
strcat( buf, "\n\rYour choice? " );
write_to_buffer( d, buf, 0 );
return;
}
ch->pcdata->learned[*weapon_table[weapon].gsn] = 40;
write_to_buffer( d, "\n\r", 2 );
do_function( ch, &do_help, "motd" );
d->connected = CON_READ_MOTD;
break;
case CON_GEN_GROUPS:
send_to_char( "\n\r", ch );
if ( !str_cmp( argument, "done" ) )
{
if ( ch->pcdata->points == pc_race_table[ch->race].points )
{
send_to_char( "You didn't pick anything.\n\r", ch );
break;
}
if ( ch->pcdata->points <= 40 + pc_race_table[ch->race].points )
{
sprintf( buf,
"You must take at least %d points of skills and groups",
40 + pc_race_table[ch->race].points );
send_to_char( buf, ch );
break;
}
sprintf( buf, "Creation points: %d\n\r", ch->pcdata->points );
send_to_char( buf, ch );
sprintf( buf, "Experience per level: %d\n\r",
exp_per_level( ch, ch->gen_data->points_chosen ) );
if ( ch->pcdata->points < 40 )
ch->train = ( 40 - ch->pcdata->points + 1 ) / 2;
free_gen_data( ch->gen_data );
ch->gen_data = NULL;
send_to_char( buf, ch );
write_to_buffer( d, "\n\r", 2 );
write_to_buffer( d,
"Please pick a weapon from the following choices:\n\r",
0 );
buf[0] = '\0';
for ( i = 0; weapon_table[i].name != NULL; i++ )
if ( ch->pcdata->learned[*weapon_table[i].gsn] > 0 )
{
strcat( buf, weapon_table[i].name );
strcat( buf, " " );
}
strcat( buf, "\n\rYour choice? " );
write_to_buffer( d, buf, 0 );
d->connected = CON_PICK_WEAPON;
break;
}
if ( !parse_gen_groups( ch, argument ) )
send_to_char
( "Choices are: list,learned,premise,add,drop,info,help, and done.\n\r",
ch );
do_function( ch, &do_help, "menu choice" );
break;
case CON_READ_IMOTD:
write_to_buffer( d, "\n\r", 2 );
do_function( ch, &do_help, "motd" );
d->connected = CON_READ_MOTD;
break;
case CON_READ_MOTD:
if ( ch->pcdata == NULL || ch->pcdata->pwd[0] == '\0' )
{
write_to_buffer( d, "Warning! Null password!\n\r", 0 );
write_to_buffer( d, "Please report old password with bug.\n\r", 0 );
write_to_buffer( d,
"Type 'password null <new password>' to fix.\n\r", 0 );
}
write_to_buffer( d,
"\n\rWelcome to ROM 2.4. Please do not feed the mobiles.\n\r",
0 );
ch->next = char_list;
char_list = ch;
d->connected = CON_PLAYING;
reset_char( ch );
if ( ch->level == 0 )
{
ch->perm_stat[class_table[ch->iclass].attr_prime] += 3;
ch->level = 1;
ch->exp = exp_per_level( ch, ch->pcdata->points );
ch->hit = ch->max_hit;
ch->mana = ch->max_mana;
ch->move = ch->max_move;
ch->train = 3;
ch->practice = 5;
sprintf( buf, "the %s",
title_table[ch->iclass][ch->level]
[ch->sex == SEX_FEMALE ? 1 : 0] );
set_title( ch, buf );
do_function( ch, &do_outfit, "" );
obj_to_char( create_object( get_obj_index( OBJ_VNUM_MAP ), 0 ), ch );
char_to_room( ch, get_room_index( ROOM_VNUM_SCHOOL ) );
send_to_char( "\n\r", ch );
do_function( ch, &do_help, "newbie info" );
send_to_char( "\n\r", ch );
}
else if ( ch->in_room != NULL )
{
char_to_room( ch, ch->in_room );
}
else if ( IS_IMMORTAL( ch ) )
{
char_to_room( ch, get_room_index( ROOM_VNUM_CHAT ) );
}
else
{
char_to_room( ch, get_room_index( ROOM_VNUM_TEMPLE ) );
}
act( "$n has entered the game.", ch, NULL, NULL, TO_ROOM );
do_function( ch, &do_look, "auto" );
wiznet( "$N has left real life behind.", ch, NULL,
WIZ_LOGINS, WIZ_SITES, get_trust( ch ) );
if ( ch->pet != NULL )
{
char_to_room( ch->pet, ch->in_room );
act( "$n has entered the game.", ch->pet, NULL, NULL, TO_ROOM );
}
do_function( ch, &do_unread, "" );
break;
}
return;
}
/*
* Parse a name for acceptability.
*/
bool check_parse_name( const char *name )
{
int clan;
/*
* Reserved words.
*/
if ( is_exact_name( name, "all auto immortal self someone something the you loner" ) )
{
return FALSE;
}
/*
* check clans
*/
for ( clan = 0; clan < MAX_CLAN; clan++ )
{
if ( LOWER( name[0] ) == LOWER( clan_table[clan].name[0] )
&& !str_cmp( name, clan_table[clan].name ) )
return FALSE;
}
if ( str_cmp( capitalize( name ), "Alander" ) && ( !str_prefix( "Alan", name )
|| !str_suffix( "Alander",
name ) ) )
return FALSE;
/*
* Length restrictions.
*/
if ( strlen( name ) < 2 )
return FALSE;
if ( strlen( name ) > 12 )
return FALSE;
/*
* Alphanumerics only.
* Lock out IllIll twits.
*/
{
const char *pc;
bool fIll,
adjcaps = FALSE,
cleancaps = FALSE;
size_t total_caps = 0;
fIll = TRUE;
for ( pc = name; *pc != '\0'; pc++ )
{
if ( !isalpha( *pc ) )
return FALSE;
if ( isupper( *pc ) ) /* ugly anti-caps hack */
{
if ( adjcaps )
cleancaps = TRUE;
total_caps++;
adjcaps = TRUE;
}
else
adjcaps = FALSE;
if ( LOWER( *pc ) != 'i' && LOWER( *pc ) != 'l' )
fIll = FALSE;
}
if ( fIll )
return FALSE;
if ( cleancaps || ( total_caps > ( strlen( name ) ) / 2 && strlen( name ) < 3 ) )
return FALSE;
}
/*
* Prevent players from naming themselves after mobs.
*/
{
MOB_INDEX_DATA *pMobIndex;
int iHash;
for ( iHash = 0; iHash < MAX_KEY_HASH; iHash++ )
{
for ( pMobIndex = mob_index_hash[iHash];
pMobIndex != NULL; pMobIndex = pMobIndex->next )
{
if ( is_name( name, pMobIndex->player_name ) )
return FALSE;
}
}
}
return TRUE;
}
/*
* Look for link-dead player to reconnect.
*/
bool check_reconnect( DESCRIPTOR_DATA *d, const char *name, bool fConn )
{
CHAR_DATA *ch;
for ( ch = char_list; ch != NULL; ch = ch->next )
{
if ( !IS_NPC( ch )
&& ( !fConn || ch->desc == NULL )
&& !str_cmp( d->character->name, ch->name ) )
{
if ( fConn == FALSE )
{
free_string( d->character->pcdata->pwd );
d->character->pcdata->pwd = str_dup( ch->pcdata->pwd );
}
else
{
free_char( d->character );
d->character = ch;
ch->desc = d;
ch->timer = 0;
send_to_char( "Reconnecting. Type replay to see missed tells.\n\r", ch );
act( "$n has reconnected.", ch, NULL, NULL, TO_ROOM );
sprintf( log_buf, "%s@%s reconnected.", ch->name, d->host );
log_string( log_buf );
wiznet( "$N groks the fullness of $S link.", ch, NULL, WIZ_LINKS, 0, 0 );
d->connected = CON_PLAYING;
}
return TRUE;
}
}
return FALSE;
}
/*
* Check if already playing.
*/
bool check_playing( DESCRIPTOR_DATA *d, const char *name )
{
DESCRIPTOR_DATA *dold;
for ( dold = descriptor_list; dold; dold = dold->next )
{
if ( dold != d
&& dold->character != NULL
&& dold->connected != CON_GET_NAME
&& dold->connected != CON_GET_OLD_PASSWORD
&& !str_cmp( name, dold->original
? dold->original->name : dold->character->name ) )
{
write_to_buffer( d, "That character is already playing.\n\r", 0 );
write_to_buffer( d, "Do you wish to connect anyway (Y/N)?", 0 );
d->connected = CON_BREAK_CONNECT;
return TRUE;
}
}
return FALSE;
}
void stop_idling( CHAR_DATA *ch )
{
if ( ch == NULL
|| ch->desc == NULL
|| ch->desc->connected != CON_PLAYING
|| ch->was_in_room == NULL || ch->in_room != get_room_index( ROOM_VNUM_LIMBO ) )
return;
ch->timer = 0;
char_from_room( ch );
char_to_room( ch, ch->was_in_room );
ch->was_in_room = NULL;
act( "$n has returned from the void.", ch, NULL, NULL, TO_ROOM );
return;
}
/*
* Write to one char.
*/
void send_to_char( const char *txt, CHAR_DATA *ch )
{
if ( txt != NULL && ch->desc != NULL )
write_to_buffer( ch->desc, txt, strlen( txt ) );
return;
}
/*
* Send a page to one char.
*/
void page_to_char( const char *txt, CHAR_DATA *ch )
{
if ( txt == NULL || ch->desc == NULL )
return;
if ( ch->lines == 0 )
{
send_to_char( txt, ch );
return;
}
ch->desc->showstr_head = ( char * ) alloc_mem( strlen( txt ) + 1 );
strcpy( ch->desc->showstr_head, txt );
ch->desc->showstr_point = ch->desc->showstr_head;
show_string( ch->desc, "" );
}
/* string pager */
void show_string( struct descriptor_data *d, const char *input )
{
char buffer[4 * MAX_STRING_LENGTH];
char buf[MAX_INPUT_LENGTH];
register char *scan,
*chk;
int lines = 0,
toggle = 1;
int show_lines;
one_argument( input, buf );
if ( buf[0] != '\0' )
{
if ( d->showstr_head )
{
free_mem( d->showstr_head, strlen( d->showstr_head ) );
d->showstr_head = 0;
}
d->showstr_point = 0;
return;
}
if ( d->character )
show_lines = d->character->lines;
else
show_lines = 0;
for ( scan = buffer;; scan++, d->showstr_point++ )
{
if ( ( ( *scan = *d->showstr_point ) == '\n' || *scan == '\r' )
&& ( toggle = -toggle ) < 0 )
lines++;
else if ( !*scan || ( show_lines > 0 && lines >= show_lines ) )
{
*scan = '\0';
write_to_buffer( d, buffer, strlen( buffer ) );
for ( chk = d->showstr_point; isspace( *chk ); chk++ );
{
if ( !*chk )
{
if ( d->showstr_head )
{
free_mem( d->showstr_head, strlen( d->showstr_head ) );
d->showstr_head = 0;
}
d->showstr_point = 0;
}
}
return;
}
}
return;
}
/* quick sex fixer */
void fix_sex( CHAR_DATA *ch )
{
if ( ch->sex < 0 || ch->sex > 2 )
ch->sex = IS_NPC( ch ) ? 0 : ch->pcdata->true_sex;
}
void act_new( const char *format, CHAR_DATA *ch, const void *arg1,
const void *arg2, int type, int min_pos )
{
static const char *he_she[] = { "it", "he", "she" };
static const char *him_her[] = { "it", "him", "her" };
static const char *his_her[] = { "its", "his", "her" };
char buf[MAX_STRING_LENGTH];
char fname[MAX_INPUT_LENGTH];
CHAR_DATA *to;
const CHAR_DATA *vch = ( const CHAR_DATA * ) arg2;
const OBJ_DATA *obj1 = ( const OBJ_DATA * ) arg1;
const OBJ_DATA *obj2 = ( const OBJ_DATA * ) arg2;
const char *str;
const char *i;
char *point;
/*
* Discard null and zero-length messages.
*/
if ( format == NULL || format[0] == '\0' )
return;
/*
* discard null rooms and chars
*/
if ( ch == NULL || ch->in_room == NULL )
return;
to = ch->in_room->people;
if ( type == TO_VICT )
{
if ( vch == NULL )
{
bug( "Act: null vch with TO_VICT.", 0 );
return;
}
if ( vch->in_room == NULL )
return;
to = vch->in_room->people;
}
for ( ; to != NULL; to = to->next_in_room )
{
if ( to->desc == NULL || to->position < min_pos )
continue;
if ( ( type == TO_CHAR ) && to != ch )
continue;
if ( type == TO_VICT && ( to != vch || to == ch ) )
continue;
if ( type == TO_ROOM && to == ch )
continue;
if ( type == TO_NOTVICT && ( to == ch || to == vch ) )
continue;
point = buf;
str = format;
while ( *str != '\0' )
{
if ( *str != '$' )
{
*point++ = *str++;
continue;
}
++str;
if ( arg2 == NULL && *str >= 'A' && *str <= 'Z' )
{
bug( "Act: missing arg2 for code %d.", *str );
i = " <@@@> ";
}
else
{
switch ( *str )
{
default:
bug( "Act: bad code %d.", *str );
i = " <@@@> ";
break;
/*
* Thx alex for 't' idea
*/
case 't':
i = ( const char * ) arg1;
break;
case 'T':
i = ( const char * ) arg2;
break;
case 'n':
i = PERS( ch, to );
break;
case 'N':
i = PERS( vch, to );
break;
case 'e':
i = he_she[URANGE( 0, ch->sex, 2 )];
break;
case 'E':
i = he_she[URANGE( 0, vch->sex, 2 )];
break;
case 'm':
i = him_her[URANGE( 0, ch->sex, 2 )];
break;
case 'M':
i = him_her[URANGE( 0, vch->sex, 2 )];
break;
case 's':
i = his_her[URANGE( 0, ch->sex, 2 )];
break;
case 'S':
i = his_her[URANGE( 0, vch->sex, 2 )];
break;
case 'p':
i = can_see_obj( to, obj1 ) ? obj1->short_descr : "something";
break;
case 'P':
i = can_see_obj( to, obj2 ) ? obj2->short_descr : "something";
break;
case 'd':
if ( arg2 == NULL || ( ( const char * ) arg2 )[0] == '\0' )
{
i = "door";
}
else
{
one_argument( ( const char * ) arg2, fname );
i = fname;
}
break;
}
}
++str;
while ( ( *point = *i ) != '\0' )
++point, ++i;
}
*point++ = '\n';
*point++ = '\r';
buf[0] = UPPER( buf[0] );
write_to_buffer( to->desc, buf, point - buf );
}
return;
}
/*
* This function logs a last error message (if Str is not NULL)
* and then calls exit with the code passed in.
*/
void proper_exit( int code, const char *Str, ... )
{
va_list arg;
char buf[MAX_STRING_LENGTH] = "\0\0\0";
char *strtime = NULL;
if ( Str && *Str )
{
strtime = ctime( ¤t_time );
strtime[strlen( strtime ) - 1] = '\0';
if ( fpArea != NULL )
{
int iLine;
int iChar;
if ( fpArea == stdin )
{
iLine = 0;
}
else
{
iChar = ftell( fpArea );
fseek( fpArea, 0, 0 );
for ( iLine = 0; ftell( fpArea ) < iChar; iLine++ )
{
int c = 0;
while ( ( c = getc( fpArea ) ) != '\n' && c != EOF )
;
}
fseek( fpArea, iChar, 0 );
}
sprintf( buf, "%s :: [*****] FILE: %s LINE: %d\n", strtime, strArea, iLine );
}
va_start( arg, Str );
sprintf( buf + strlen( buf ), "%s :: ", strtime );
vsprintf( buf + strlen( buf ), Str, arg );
strcat( buf, "\n" );
va_end( arg );
log_string( buf );
}
exit( code );
}
/*
* Signal handler for game shutdown.
* Might want to call do_shutdown() or a subset of it.
*/
void shutdown_request( int a )
{
char buf[MAX_STRING_LENGTH];
DESCRIPTOR_DATA *d,
*d_next;
CHAR_DATA *vch;
sprintf( buf, "Shutdown by %s.", "SYSTEM -- Received SIGINT or SIGTERM" );
append_file( NULL, SHUTDOWN_FILE, buf );
strcat( buf, "\n\r" );
merc_down = TRUE;
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
write_to_descriptor( d->descriptor, buf, 0 );
vch = d->original ? d->original : d->character;
if ( vch != NULL )
save_char_obj( vch );
close_socket( d );
}
return;
}