/**************************************************************************
* Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer, *
* Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe. *
* *
* Merc Diku Mud improvements 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. *
* *
* Much time and thought has gone into this software and you are *
* benefiting. 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 *
***************************************************************************
* 1stMUD ROM Derivative (c) 2001-2003 by Ryan Jennings *
* http://1stmud.dlmud.com/ <r-jenn@shaw.ca> *
***************************************************************************/
/*
* 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 ---> d_write -> Write
*
* The OS-dependent functions are Read_from_descriptor and d_write.
* -- Furey 26 Jan 1993
*/
#include "merc.h"
#include "interp.h"
#include "recycle.h"
#include "tables.h"
#include "webserver.h"
#include "olc.h"
#include "telnet.h"
#include "tablesave.h"
#include "signals.h"
/*
* Global variables.
*/
DESCRIPTOR_DATA *d_next; /* Next descriptor in loop */
bool god; /* All new chars are gods! */
#if defined( WIN32 )
#define WOULD_HAVE_BLOCKED ( WSAGetLastError() == WSAEWOULDBLOCK )
#else
#define WOULD_HAVE_BLOCKED ( errno == EWOULDBLOCK )
#endif
PROTOTYPE(void game_loop, (int));
PROTOTYPE(int init_socket, (int));
PROTOTYPE(void init_descriptor, (int));
/*
* Other local functions (OS-independent).
*/
PROTOTYPE(int main, (int, char **));
PROTOTYPE(void nanny, (DESCRIPTOR_DATA *, const char *));
PROTOTYPE(bool process_output, (DESCRIPTOR_DATA *, bool));
PROTOTYPE(void read_from_buffer, (DESCRIPTOR_DATA *));
PROTOTYPE(void stop_idling, (CHAR_DATA *));
PROTOTYPE(void bust_a_prompt, (CHAR_DATA *));
PROTOTYPE(void set_game_levels, (int, int));
PROTOTYPE(void save_helps, (void));
PROTOTYPE(int count_mxp_tags, (DESCRIPTOR_DATA *, const char *, int));
PROTOTYPE(void convert_mxp_tags, (DESCRIPTOR_DATA *, char *, const char *,
int));
PROTOTYPE(bool check_directories, (void));
#if defined(WIN32)
void gettimeofday(struct timeval *t, void *tz)
{
struct timeb timebuffer;
ftime(&timebuffer);
t->tv_sec = timebuffer.time;
t->tv_usec = timebuffer.millitm * 1000;
}
#endif
const char *whoami(void)
{
#if defined(WIN32)
static char username[UNLEN + 1];
unsigned long szusername = UNLEN + 1;
if (GetUserName(username, &szusername))
{
return (username);
}
#else
struct passwd *pwd;
uid_t uid;
uid = getuid();
if ((pwd = getpwuid(uid)))
{
return (pwd->pw_name);
}
#endif
return "unknown";
}
bool verbose_log = FALSE;
void cycle_log(void)
{
char buf[1024];
FILE *fp;
sprintf(buf, "%s%s", LOG_DIR, str_time(-1, -1, "%m-%d.log"));
fp = file_open(buf, "a");
if (!fp)
log_error(buf);
else
{
if (!verbose_log)
{
dup2(fileno(fp), STDERR_FILENO);
}
}
file_close(fp);
}
int main(int argc, char **argv)
{
struct timeval now_time;
#if !defined(NO_COPYOVER)
bool fCopyOver = FALSE;
#endif
int pos;
char **args = argv;
/*
* Init time.
*/
run_level = RUNLEVEL_INIT;
tzset();
gettimeofday(&now_time, NULL);
current_time = (time_t) now_time.tv_sec;
boot_time = current_time;
/*
* Reserve one channel for our use.
*/
if ((fpReserve = fopen(NULL_FILE, "r")) == NULL)
{
log_error(NULL_FILE);
exit(1);
}
#if defined(WIN32)
{
/* Initialise Windows sockets library */
WORD wVersionRequested = MAKEWORD(2, 0);
WSADATA wsadata;
/* Need to include library: ws2_32.lib for Windows Sockets */
if (WSAStartup(wVersionRequested, &wsadata))
{
log_string("Couldn't initialize winsock.");
exit(1);
}
}
#endif
if (gethostname(HOSTNAME, 1024) == -1 || IS_NULLSTR(HOSTNAME))
strcpy(HOSTNAME, "localhost");
if (!getcwd(CWDIR, 1024))
strcpy(CWDIR, AREA_DIR);
strcpy(UNAME, whoami());
strcpy(EXE_FILE, argv[0]);
/*
* Get the port number.
*/
for (pos = 1; pos < argc; pos++)
{
bool option = FALSE;
if (IS_NULLSTR(args[pos]))
break;
if (*args[pos] == '-')
{
args[pos]++;
if (*args[pos] == '-')
args[pos]++;
if (*args[pos] != '-')
option = TRUE;
}
if (option)
{
if (!str_cmp(args[pos], "v"))
{
verbose_log = TRUE;
log_string("Logging to stderr...");
}
else if (!str_cmp(args[pos], "version"))
{
log_string(MUD_NAME ": Compiled on " __DATE__ " at " __TIME__
".");
exit(0);
}
#if !defined(NO_COPYOVER)
else if (!str_cmp(args[pos], "c"))
{
fCopyOver = TRUE;
control = atoi(args[++pos]);
}
#endif
else if (!str_cmp(args[pos], "levels"))
{
int oldlev, newlev;
if (IS_NULLSTR(args[++pos])
|| !is_number(args[pos])
|| (oldlev = atoi(args[pos])) <= 0
|| IS_NULLSTR(args[++pos])
|| !is_number(args[pos]) || (newlev = atoi(args[pos])) <= 0)
{
logf("Usage: %s -levels [old max level] [new max level]",
argv[0]);
exit(1);
}
boot_db();
set_game_levels(oldlev, newlev);
exit(0);
}
else
{
if (args[pos][0] != '?')
logf("Invalid option '%s'.", args[pos]);
logf("Valid options: %s -version (displays info)", argv[0]);
logf(" : %s -v (disables log file)", argv[0]);
logf
(" : %s -levels [old max] [new max] (relevel the game)",
argv[0]);
exit(1);
}
}
else if (!IS_NULLSTR(args[pos]) && is_number(args[pos]))
{
if ((port = atoi(args[pos])) <= 1024)
{
log_string("Port number must be above 1024.");
exit(1);
}
}
else
{
logf("Invalid argument '%s'.", args[pos]);
logf("Syntax: %s <port>", argv[0]);
exit(1);
}
}
// do directory layout checks
if (check_directories())
{
log_string("There may have been problems creating the directories...");
log_string("create them manually then try again.");
exit(1);
}
cycle_log();
/*
* Run the game.
*/
#if !defined(NO_COPYOVER)
if (!fCopyOver)
#endif
control = init_socket(port);
#if !defined(NO_WEB)
WebUP = init_web_server();
#endif
log_string("Starting up " MUD_NAME "...");
boot_db();
set_signals();
logf(MUD_NAME " is ready to rock on port %d.", port);
#if !defined(NO_COPYOVER)
if (fCopyOver)
copyover_recover();
#endif
game_loop(control);
close(control);
/*
* That's all, folks.
*/
log_string("Normal termination of game.");
exit(0); // atexit will cleanup the mud hopefully
return 0;
}
int init_socket(int prt)
{
static struct sockaddr_in sa_zero;
struct sockaddr_in sa;
int x = 1;
int fd;
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
log_error("Init_socket: socket");
exit(-1);
}
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &x, sizeof(x)) < 0)
{
log_error("Init_socket: SO_REUSEADDR");
close(fd);
exit(-1);
}
#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)
{
log_error("Init_socket: SO_DONTLINGER");
close(fd);
exit(-1);
}
}
#endif
sa = sa_zero;
sa.sin_family = AF_INET;
sa.sin_port = htons(prt);
if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0)
{
log_error("Init socket: bind");
close(fd);
exit(-1);
}
if (listen(fd, 3) < 0)
{
log_error("Init socket: listen");
close(fd);
exit(-1);
}
return fd;
}
void show_greeting(DESCRIPTOR_DATA * dnew)
{
if (help_greeting[0] == '.')
d_print(dnew, help_greeting + 1, 0);
else
d_print(dnew, help_greeting, 0);
}
#define MS_PER_PULSE ( 1000 / PULSE_PER_SECOND )
// maintained by SyncGameClock; currently read only by WaitForPulse()
unsigned long last_pulse_millisec;
void SynchronizeClock(void)
{
#if defined( WIN32 )
struct _timeb now_time;
_ftime(&now_time);
current_time = now_time.time;
last_pulse_millisec = now_time.millitm;
#else
struct timeval last_time;
gettimeofday(&last_time, NULL);
current_time = (time_t) last_time.tv_sec;
last_pulse_millisec = (unsigned long) last_time.tv_usec / 1000;
#endif
}
#if !defined(WIN32)
void Sleep(time_t milliseconds)
{
struct timeval nap_time;
nap_time.tv_usec = 1000 * milliseconds;
nap_time.tv_sec = 0;
if (select(0, NULL, NULL, NULL, &nap_time) < 0)
{
switch (errno)
{
case EBADF:
bug("Invalid file descriptor passed to Select()");
break;
case EINTR: //bugf("A non-blocked signal was caught.", 0);
break;
case EINVAL:
bug("Negative \'n\' descriptor passed to Select()");
break;
case ENOMEM:
bug("Select() was unable to allocate memory for internal tables.");
break;
default:
bug("Unknown error.");
break;
}
}
}
#endif
void WaitForPulse()
{
signed long pulse;
signed long nap;
#if !defined(WIN32)
struct timeval now_time;
gettimeofday(&now_time, NULL);
pulse = ((int) now_time.tv_sec) - ((int) current_time);
// Careful here of signed versus unsigned arithmetic.
pulse *= 1000;
pulse += ((int) now_time.tv_usec / 1000) - ((int) last_pulse_millisec);
#else
struct _timeb now_time;
_ftime(&now_time);
pulse = now_time.time - current_time;
pulse *= 1000;
pulse += now_time.millitm - last_pulse_millisec;
#endif
nap = MS_PER_PULSE - pulse;
if (nap > 0)
{
Sleep(nap);
}
}
void game_loop(int ctrl)
{
static struct timeval null_time = { 0, 0 };
#if !defined(NO_VTIMER)
int vt_set = 0;
#endif
SynchronizeClock();
run_level = RUNLEVEL_MAIN_LOOP;
/* Main loop */
while (run_level == RUNLEVEL_MAIN_LOOP)
{
fd_set in_set;
fd_set out_set;
fd_set exc_set;
DESCRIPTOR_DATA *d;
int maxdesc;
/*
* Poll all active descriptors.
*/
FD_ZERO(&in_set);
FD_ZERO(&out_set);
FD_ZERO(&exc_set);
FD_SET(ctrl, &in_set);
maxdesc = ctrl;
for (d = descriptor_first; 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)
{
if (errno != EINTR)
{
log_error("Game_loop: select: poll");
exit(1);
}
}
/*
* New connection?
*/
if (FD_ISSET(ctrl, &in_set))
init_descriptor(ctrl);
/*
* Kick out the freaky folks.
*/
for (d = descriptor_first; 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_first; 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 (!IS_NULLSTR(d->incomm))
{
d->fcommand = TRUE;
stop_idling(d->character);
#if !defined(NO_VTIMER)
vt_set = 0;
set_vtimer(60);
#endif
/* OLC */
if (d->showstr_point)
show_string(d, d->incomm);
else if (d->pString)
string_add(d->character, d->incomm);
else
switch (d->connected)
{
case CON_PLAYING:
substitute_alias(d, d->incomm);
break;
default:
nanny(d, d->incomm);
break;
}
d->incomm[0] = '\0';
}
}
/*
* Autonomous game motion.
*/
update_handler();
#if !defined(NO_WEB)
if (WebUP)
update_web_server();
#endif
/*
* Output.
*/
for (d = descriptor_first; d != NULL; d = d_next)
{
d_next = d->next;
if ((d->fcommand || d->outtop > 0
#if !defined(NO_MCCP)
|| d->out_compress) &&
#else
) &&
#endif
FD_ISSET(d->descriptor, &out_set))
{
bool ok = TRUE;
if (d->fcommand || d->outtop > 0)
ok = process_output(d, TRUE);
#if !defined(NO_MCCP)
if (ok && d->out_compress)
ok = processCompressed(d);
#endif
if (!ok)
{
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.
*/
WaitForPulse();
SynchronizeClock();
if (current_time % (HOUR) == 0)
cycle_log();
#if !defined(NO_VTIMER)
if (++vt_set >= 35)
{
vt_set = 0;
set_vtimer(60);
}
#endif
}
return;
}
void init_descriptor(int ctrl)
{
DESCRIPTOR_DATA *dnew;
struct sockaddr_in sock;
struct hostent *from;
int desc;
socklen_t size;
#if defined(WIN32)
static unsigned long ARGP = 1;
#endif
size = sizeof(sock);
getsockname(ctrl, (struct sockaddr *) &sock, &size);
if ((desc = accept(ctrl, (struct sockaddr *) &sock, &size)) < 0)
{
log_error("New_descriptor: accept");
return;
}
#if !defined(FNDELAY)
#define FNDELAY O_NDELAY
#endif
#if defined( WIN32 )
if (ioctlsocket(desc, FIONBIO, &ARGP) != 0)
{
bugf("ioctlsocket returned error code %d", WSAGetLastError());
return;
}
#else
if (fcntl(desc, F_SETFL, FNDELAY) == -1)
{
log_error("New_descriptor: fcntl: FNDELAY");
return;
}
#endif
/*
* Cons a new descriptor.
*/
dnew = new_descriptor(); /* new_descriptor now also allocates things */
dnew->descriptor = desc;
size = sizeof(sock);
if (getpeername(desc, (struct sockaddr *) &sock, &size) < 0)
{
log_error("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.
* - who cares lets use it, Markanth 03/07/2003
*/
char *ip = inet_ntoa(sock.sin_addr);
logf("Sock.sinaddr: %s", ip);
if (!IS_SET(mud_info.mud_flags, NO_DNS_LOOKUPS))
from =
gethostbyaddr((char *) &sock.sin_addr,
sizeof(sock.sin_addr), AF_INET);
else
from = NULL;
dnew->host = str_dup(from ? from->h_name : ip);
}
/*
* 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))
{
d_write(dnew, "Your site has been banned from this mud.\n\r", 0);
close(desc);
free_descriptor(dnew);
return;
}
/*
* Init descriptor data.
*/
LINK(dnew, descriptor_first, descriptor_last, next, prev);
/*
* Send the greeting.
*/
init_telnet(dnew);
d_println(dnew, "Autodetecting IMP...v1.30", 0);
d_println(dnew, "This world is Pueblo 1.10 enhanced.", 0);
d_println(dnew,
"Welcome, would you like ANSI color? (Y)es, (N)o, (T)est:", 0);
return;
}
void close_socket(DESCRIPTOR_DATA * dclose)
{
CHAR_DATA *ch;
if (dclose->outtop > 0)
process_output(dclose, FALSE);
if (dclose->snoop_by != NULL)
{
d_println(dclose->snoop_by, "Your victim has left the game.", 0);
}
{
DESCRIPTOR_DATA *d;
for (d = descriptor_first; 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 ch is writing note or playing, just lose link otherwise clear char */
if ((dclose->connected == CON_PLAYING && run_level != RUNLEVEL_SHUTDOWN)
|| ((dclose->connected >= CON_NOTE_TO)
&& (dclose->connected <= CON_NOTE_FINISH)))
{
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);
}
}
free_runbuf(dclose);
if (d_next == dclose)
d_next = d_next->next;
UNLINK(dclose, descriptor_first, descriptor_last, next, prev);
#if !defined(NO_MCCP)
if (dclose->out_compress)
{
deflateEnd(dclose->out_compress);
free_mem(dclose->out_compress_buf);
free_mem(dclose->out_compress);
}
#endif
close(dclose->descriptor);
free_descriptor(dclose);
return;
}
bool read_from_descriptor(DESCRIPTOR_DATA * d)
{
unsigned int iStart, index;
static unsigned char buf[sizeof(d->inbuf)];
memset(buf, 0, sizeof(buf));
/* Hold horses if pending command already. */
if (!IS_NULLSTR(d->incomm))
return TRUE;
/* Check for overflow. */
iStart = strlen(d->inbuf);
index = 0;
if (iStart >= sizeof(d->inbuf) - 10)
{
logf("%s input overflow!", d->host);
d_write(d, "\n\r*** PUT A LID ON IT!!! ***\n\r", 0);
d->inbuf[sizeof(d->inbuf) - 10] = '\0';
return TRUE;
}
for (;;)
{
int nRead;
nRead = read(d->descriptor, buf + index, sizeof(buf) - 10 - index);
if (nRead > 0)
{
index += nRead;
if (buf[index - 1] == '\n' || buf[index - 1] == '\r')
break;
}
else if (nRead == 0)
{
logf("Read_from_descriptor: EOF encountered on read.");
return FALSE;
}
else if (WOULD_HAVE_BLOCKED)
break;
else
{
log_error("Read_from_descriptor");
return FALSE;
}
}
/* process_telnet does the actual writing in d->inbuf now! */
process_telnet(d, index, buf);
/* If there is some telnet negotation going on, assume the client
supports colour... */
if (d->connected == CON_GET_TERM &&
(DESC_FLAGGED(d, DESC_TELOPT_EOR | DESC_TELOPT_ECHO | DESC_TELOPT_NAWS
| DESC_MXP | DESC_MSP | DESC_PUEBLO | DESC_TELOPT_TTYPE |
DESC_TELOPT_BINARY | DESC_PORTAL | DESC_IMP)
#if !defined(NO_MCCP)
|| d->out_compress
#endif
))
{
SET_BIT(d->d_flags, DESC_COLOUR);
d_println(d, "{`Colour{x enabled Automatically...{x", 0);
show_greeting(d);
d->connected = CON_GET_NAME;
}
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 (!IS_NULLSTR(d->incomm))
return;
if (d->character && d->character->position == POS_FIGHTING && d->run_buf)
free_runbuf(d);
if (d->run_buf)
{
while (isdigit(*d->run_head) && *d->run_head != '\0')
{
char *s;
char *e;
s = (char *) d->run_head;
while (isdigit(*s))
s++;
e = s;
while (*(--s) == '0' && s != d->run_head);
if (isdigit(*s) && *s != '0' && *e != 'o')
{
d->incomm[0] = *e;
d->incomm[1] = '\0';
s[0]--;
while (isdigit(*(++s)))
*s = '9';
return;
}
if (*e == 'o')
d->run_head = e;
else
d->run_head = ++e;
}
if (*d->run_head != '\0')
{
if (*d->run_head != 'o')
{
d->incomm[0] = *d->run_head++;
d->incomm[1] = '\0';
return;
}
else
{
char buf[MAX_INPUT_LENGTH];
d->run_head++;
strcpy(buf, "open ");
switch (*d->run_head)
{
case 'n':
strcat(buf, "north");
break;
case 's':
strcat(buf, "south");
break;
case 'e':
strcat(buf, "east");
break;
case 'w':
strcat(buf, "west");
break;
case 'u':
strcat(buf, "up");
break;
case 'd':
strcat(buf, "down");
break;
default:
return;
}
strcpy(d->incomm, buf);
d->run_head++;
return;
}
}
free_runbuf(d);
}
/*
* 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)
{
d_write(d, "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] != '!' && str_cmp(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;
/*
d_write( d,
"\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;
}
int col_attr, col_fore, col_back;
int random_attr(void)
{
if (number_range(1, 50) < 25)
return CL_CLEAR;
else
return CL_BRIGHT;
}
int random_fore(void)
{
return number_range(FG_BLACK, FG_WHITE);
}
int random_back(void)
{
return number_range(BG_BLACK, BG_WHITE);
}
char *make_colour(void)
{
bool a, b;
if (col_attr == CL_RANDOM)
col_attr = random_attr();
if (col_fore == FG_RANDOM)
col_fore = random_fore();
if (col_back == BG_RANDOM)
col_back = random_back();
a = (col_fore != FG_NONE);
b = (col_back != BG_NONE);
if (!a && !b)
return FORMATF(CL_FORMAT1, col_attr);
else if (a && !b)
return FORMATF(CL_FORMAT2, col_attr, col_fore);
else if (!a && b)
return FORMATF(CL_FORMAT2, col_attr, col_back);
else
return FORMATF(CL_FORMAT3, col_attr, col_fore, col_back);
}
/* Taken from Gary McNickel's WOTmud
Updated by Markanth. */
bool process_ansi_output(DESCRIPTOR_DATA * d)
{
CHAR_DATA *ch;
char *counter;
char output[MSL];
char temp[MSL];
char *work;
bool success = TRUE;
char *i;
if (d == NULL)
return FALSE;
ch = (d->original ? d->original : d->character);
memset(output, 0, sizeof(output));
counter = output;
work = d->outbuf;
while (*work != '\0' && (work - d->outbuf) < d->outtop)
{
if ((long) (counter - output) >= MSL - 32)
{
*counter++ = '\0';
if (!(success = d_write(d, output, strlen(output))))
break;
memset(output, 0, sizeof(output));
counter = output;
}
if (*work == ANSI_KEY)
{
work++;
temp[0] = '\0';
if (DESC_FLAGGED(d, DESC_COLOUR) &&
(!ch || !IS_SET(ch->comm, COMM_NOCOLOUR)))
{
switch (*work)
{
case '\0':
break;
case ' ':
sprintf(temp, "%c ", ANSI_KEY);
break;
case '-':
strcpy(temp, "~");
break;
case 'P':
case 'p':
sprintf(temp, "%c", 007);
break;
case ANSI_KEY:
sprintf(temp, "%c", ANSI_KEY);
break;
default:
{
switch (*work)
{
case 'x':
case 'X':
strcpy(temp, char_colour(ch, _DEFAULT));
break;
case 'v':
case 'V':
col_attr = CL_REVERSE;
break;
case 'u':
case 'U':
col_attr = CL_UNDER;
break;
case 'f':
case 'F':
col_attr = CL_BLINK;
break;
case 'b':
col_attr = CL_CLEAR;
col_fore = FG_BLUE;
break;
case 'c':
col_attr = CL_CLEAR;
col_fore = FG_CYAN;
break;
case 'g':
col_attr = CL_CLEAR;
col_fore = FG_GREEN;
break;
case 'm':
col_attr = CL_CLEAR;
col_fore = FG_MAGENTA;
break;
case 'd':
col_attr = CL_CLEAR;
col_fore = FG_BLACK;
break;
case 'r':
col_attr = CL_CLEAR;
col_fore = FG_RED;
break;
case 'y':
col_attr = CL_CLEAR;
col_fore = FG_YELLOW;
break;
case 'w':
col_attr = CL_CLEAR;
col_fore = FG_WHITE;
break;
case 'B':
col_attr = CL_BRIGHT;
col_fore = FG_BLUE;
break;
case 'C':
col_attr = CL_BRIGHT;
col_fore = FG_CYAN;
break;
case 'G':
col_attr = CL_BRIGHT;
col_fore = FG_GREEN;
break;
case 'M':
col_attr = CL_BRIGHT;
col_fore = FG_MAGENTA;
break;
case 'D':
col_attr = CL_BRIGHT;
col_fore = FG_BLACK;
break;
case 'R':
col_attr = CL_BRIGHT;
col_fore = FG_RED;
break;
case 'W':
col_attr = CL_BRIGHT;
col_fore = FG_WHITE;
break;
case 'Y':
col_attr = CL_BRIGHT;
col_fore = FG_YELLOW;
break;
case '`':
col_attr = CL_RANDOM;
col_fore = FG_RANDOM;
break;
case '1':
col_back = BG_RED;
break;
case '2':
col_back = BG_BLUE;
break;
case '3':
col_back = BG_GREEN;
break;
case '4':
col_back = BG_BLACK;
break;
case '5':
col_back = BG_WHITE;
break;
case '6':
col_back = BG_MAGENTA;
break;
case '7':
col_back = BG_YELLOW;
break;
case '8':
col_back = BG_CYAN;
break;
case '+':
case '=':
col_attr = CL_RANDOM;
col_back = BG_RANDOM;
break;
}
strcpy(temp, make_colour());
break;
}
}
}
work++;
i = temp;
while ((*counter = *i) != '\0')
++counter, ++i;
}
/* Custom colour added by Markanth */
else if (*work == ANSI_CUSTOM)
{
int slot = 0;
work++;
while (*work != ANSI_END)
{
if (isdigit(*work))
slot = (slot * 10) + (*work - '0');
work++;
}
work++;
temp[0] = '\0';
if (slot < 0 || slot >= MAX_CUSTOM_COLOUR)
{
bug("ansi_output: invalid custom color");
strcpy(temp, CL_DEFAULT);
col_attr = CL_CLEAR;
col_fore = FG_NONE;
col_back = BG_NONE;
}
else if (DESC_FLAGGED(d, DESC_COLOUR) &&
(!ch || !IS_SET(ch->comm, COMM_NOCOLOUR)))
{
strcpy(temp, char_colour(ch, slot));
}
i = temp;
while ((*counter = *i) != '\0')
++counter, ++i;
}
else
*counter++ = *work++;
}
success = success && (d_write(d, output, strlen(output)));
d->outtop = 0;
return success;
}
/*
* Low level output function.
*/
bool process_output(DESCRIPTOR_DATA * d, bool fPrompt)
{
/*
* Bust a prompt.
*/
if (run_level != RUNLEVEL_SHUTDOWN)
{
if (d->showstr_point)
{
const char *ptr;
int shown_lines = 0;
int total_lines = 0;
for (ptr = d->showstr_head; ptr != d->showstr_point; ptr++)
if (*ptr == '\n')
shown_lines++;
total_lines = shown_lines;
for (ptr = d->showstr_point; *ptr != '\0'; ptr++)
if (*ptr == '\n')
total_lines++;
d_printlnf(d,
"\n\r(%d%%) Please type (H)elp, (R)efresh, (B)ack, or (C)ontinue or hit ENTER.",
100 * shown_lines / total_lines);
}
else if (fPrompt && d->pString && d->connected == CON_PLAYING)
d_print(d, "> ", 2);
else if (fPrompt && d->connected == CON_NOTE_TEXT)
d_print(d, "> ", 2);
else if (fPrompt && 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];
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.");
d_printlnf(d, "%s %s",
IS_NPC(victim) ? victim->short_descr :
victim->name, wound);
}
ch = d->original ? d->original : d->character;
if (!IS_SET(ch->comm, COMM_COMPACT)
&& ((!IS_NPC(ch) && IS_SET(ch->act, PLR_AUTOPROMPT))
|| d->fcommand || ch->fighting || d->editor != ED_NONE))
d_println(d, "", 0);
if (IS_SET(ch->comm, COMM_PROMPT))
{
if ((!IS_NPC(ch) && IS_SET(ch->act, PLR_AUTOPROMPT))
|| (d->fcommand && !d->run_buf) || ch->fighting)
bust_a_prompt(d->character);
else if (d->editor != ED_NONE)
{
chprintlnf(ch, "{cOLC %s : {W%s{x",
olc_ed_name(d), olc_ed_vnum(d));
}
}
if (IS_SET(ch->comm, COMM_TELNET_GA))
{
d_write(d, go_ahead_str, 0);
}
else if (IS_SET(ch->comm, COMM_TELNET_EOR))
{
char eor_str[] = { IAC, EOR, '\0' };
d_write(d, eor_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)
d_print(d->snoop_by, d->character->name, 0);
d_print(d->snoop_by, "> ", 2);
d_print(d->snoop_by, d->outbuf, d->outtop);
}
/*
* OS-dependent output.
*/
return process_ansi_output(d);
}
/*
* 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;
const char *dir_letter[] = { "N", "E", "S", "W", "U", "D" };
int door;
point = buf;
str = ch->prompt;
bust_a_portal(ch);
if (IS_NULLSTR(str))
{
chprintlnf(ch, "<%ldhp %ldm %ldmv> %s", ch->hit, ch->mana,
ch->move, ch->prefix);
return;
}
if (IS_SET(ch->comm, COMM_AFK))
{
chprint(ch, "<AFK> ");
return;
}
chprint(ch, MXPTAG("Prompt"));
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 < 6; 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, MXPTAG("Ex"));
strcat(doors, dir_letter[door]);
strcat(doors, MXPTAG("/Ex"));
}
}
if (!found)
strcat(buf, "none");
sprintf(buf2, MXPTAG("Rexits") "%s" MXPTAG("/Rexits"), doors);
i = buf2;
break;
case 'c':
sprintf(buf2, "%s", "\n\r");
i = buf2;
break;
case 'h':
sprintf(buf2, MXPTAG("Hp") "%ld" MXPTAG("/Hp"), ch->hit);
i = buf2;
break;
case 'H':
sprintf(buf2, MXPTAG("MaxHp") "%ld" MXPTAG("/MaxHp"), ch->max_hit);
i = buf2;
break;
case 'm':
sprintf(buf2, MXPTAG("Mana") "%ld" MXPTAG("/Mana"), ch->mana);
i = buf2;
break;
case 'M':
sprintf(buf2, MXPTAG("MaxMana") "%ld" MXPTAG("/MaxMana"),
ch->max_mana);
i = buf2;
break;
case 'v':
sprintf(buf2, MXPTAG("Move") "%ld" MXPTAG("/Move"), ch->move);
i = buf2;
break;
case 'V':
sprintf(buf2, MXPTAG("MaxMove") "%ld" MXPTAG("/MaxMove"),
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, "%ld", ch->gold);
i = buf2;
break;
case 's':
sprintf(buf2, "%ld", 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, "%ld", ch->in_room->vnum);
else
sprintf(buf2, " ");
i = buf2;
break;
case 'Q':
if (gquest_info.running != GQUEST_OFF)
sprintf(buf2, "%d", gquest_info.timer);
else
sprintf(buf2, "%dn", gquest_info.timer);
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;
case 'o':
sprintf(buf2, MXPTAG("Olc") "%s" MXPTAG("/Olc"),
olc_ed_name(ch->desc));
i = buf2;
break;
case 'O':
sprintf(buf2, "%s", olc_ed_vnum(ch->desc));
i = buf2;
break;
case 'q':
if (!IS_NPC(ch))
{
if (!IS_SET(ch->act, PLR_QUESTOR))
sprintf(buf2, "%d", ch->pcdata->nextquest);
else
sprintf(buf2, "%d", ch->pcdata->countdown);
}
else
strcpy(buf2, " ");
i = buf2;
break;
}
++str;
while ((*point = *i) != '\0')
++point, ++i;
}
d_print(ch->desc, buf, point - buf);
d_print(ch->desc, MXPTAG("/Prompt"), 0);
if (!IS_NULLSTR(ch->prefix))
d_print(ch->desc, ch->prefix, 0);
return;
}
/*
* Append onto an output buffer.
*/
void d_print(DESCRIPTOR_DATA * d, const char *txt, int length)
{
int origlength;
bool noMXP = FALSE;
if (!d)
return;
/*
* Find length in case caller didn't.
*/
if (length == 0)
length = strlen(txt);
else if (length <= -1)
{
/* if length is less than 0, disable MXP parsing,
good for sending strings EXACTLY the way they appear */
noMXP = TRUE;
length = strlen(txt);
}
origlength = length;
/* work out how much we need to expand/contract it */
if (!noMXP)
length += count_mxp_tags(d, txt, length);
/*
* 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.");
close_socket(d);
return;
}
alloc_mem(outbuf, char, 2 * d->outsize);
strncpy(outbuf, d->outbuf, d->outtop);
free_mem(d->outbuf);
d->outbuf = outbuf;
d->outsize *= 2;
}
/*
* Copy.
*/
strncpy(d->outbuf + d->outtop, txt, length);
if (!noMXP)
convert_mxp_tags(d, d->outbuf + d->outtop, txt, origlength);
d->outtop += length;
d->outbuf[d->outtop] = NUL;
return;
}
void d_println(DESCRIPTOR_DATA * d, const char *txt, int length)
{
if (!d)
return;
if (!IS_NULLSTR(txt))
d_print(d, txt, length);
d_print(d, "\n\r", 2);
}
void d_printf(DESCRIPTOR_DATA * d, const char *txt, ...)
{
int length;
va_list args;
char buf[MSL * 2];
if (!d || IS_NULLSTR(txt))
return;
va_start(args, txt);
length = vsnprintf(buf, sizeof(buf), txt, args);
va_end(args);
d_print(d, buf, length);
}
void d_printlnf(DESCRIPTOR_DATA * d, const char *txt, ...)
{
if (!d)
return;
if (!IS_NULLSTR(txt))
{
int length;
va_list args;
char buf[MSL * 2];
va_start(args, txt);
length = vsnprintf(buf, sizeof(buf), txt, args);
va_end(args);
d_print(d, buf, length);
}
d_print(d, "\n\r", 2);
}
/*
* 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 d_write(DESCRIPTOR_DATA * d, const char *txt, int length)
{
int iStart;
int nWrite;
int nBlock;
if (!d)
return FALSE;
if (length <= 0)
length = strlen(txt);
d->bytes_normal += length;
#if !defined(NO_MCCP)
if (d->out_compress)
return writeCompressed(d, txt, length);
else
#endif
{
for (iStart = 0; iStart < length; iStart += nWrite)
{
nBlock = UMIN(length - iStart, 4096);
if ((nWrite = write(d->descriptor, txt + iStart, nBlock)) < 0)
{
log_error("d_write");
return FALSE;
}
}
return TRUE;
}
}
/*
* Parse a name for acceptability.
*/
bool check_parse_name(const char *name)
{
CLAN_DATA *clan;
/*
* Reserved words.
*/
if (is_exact_name
(name, "all auto immortal self someone something the you loner none"))
{
return FALSE;
}
/* check clans */
for (clan = clan_first; clan; clan = clan->next)
{
if (LOWER(name[0]) == LOWER(clan->name[0]) &&
!str_cmp(name, 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;
unsigned int 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_first; ch != NULL; ch = ch->next)
{
if (!IS_NPC(ch) && (!fConn || ch->desc == NULL) &&
!str_cmp(d->character->name, ch->name))
{
if (fConn == FALSE)
{
replace_string(d->character->pcdata->pwd, ch->pcdata->pwd);
}
else
{
free_char(d->character);
d->character = ch;
ch->desc = d;
ch->timer = 0;
chprintln(ch,
"Reconnecting. Welcome back, type replay to see missed tells.");
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 $S link.", ch,
NULL, WIZ_LINKS, 0, 0);
d->connected = CON_PLAYING;
/* Inform the character of a note in progress and the possbility
* of continuation!
*/
if (ch->pcdata->in_progress)
chprintln(ch,
"You have a note in progress. Type NOTE WRITE to continue it.");
}
return TRUE;
}
}
return FALSE;
}
/*
* Check if already playing.
*/
bool check_playing(DESCRIPTOR_DATA * d, const char *name)
{
DESCRIPTOR_DATA *dold;
for (dold = descriptor_first; dold; dold = dold->next)
{
if (dold != d && dold->character != NULL &&
dold->connected != CON_GET_NAME &&
dold->connected != CON_GET_OLD_PASSWORD &&
!str_cmp(name,
dold->original ? dold->original->name : dold->
character->name))
{
d_println(d, "That character is already playing.", 0);
d_print(d, "Do you wish to connect anyway (Y/N)?", 0);
d->connected = CON_BREAK_CONNECT;
return TRUE;
}
}
return FALSE;
}
void stop_idling(CHAR_DATA * ch)
{
if (ch == NULL || ch->desc == NULL || ch->desc->connected != CON_PLAYING
|| ch->was_in_room == NULL ||
ch->in_room != get_room_index(ROOM_VNUM_LIMBO))
return;
ch->timer = 0;
char_from_room(ch);
char_to_room(ch, ch->was_in_room);
ch->was_in_room = NULL;
act("$n has returned from the void.", ch, NULL, NULL, TO_ROOM);
return;
}
/*
* Write to one char.
*/
void chprint(CHAR_DATA * ch, const char *txt)
{
if (!IS_NULLSTR(txt) && ch && ch->desc != NULL)
d_print(ch->desc, txt, strlen(txt));
return;
}
void chprintln(CHAR_DATA * ch, const char *txt)
{
if (ch && ch->desc != NULL)
{
if (!IS_NULLSTR(txt))
d_print(ch->desc, txt, strlen(txt));
d_print(ch->desc, "\n\r", 2);
}
return;
}
/*
* Send a page to one char.
*/
void sendpage(CHAR_DATA * ch, const char *txt)
{
DESCRIPTOR_DATA *d;
if (IS_NULLSTR(txt) || (d = ch->desc) == NULL)
return;
if (ch->lines <= 0)
{
d_print(d, txt, strlen(txt));
return;
}
/*
* If there is already some data being "paged" for this descriptor,
* append the new string.
*/
if (!IS_NULLSTR(d->showstr_head))
{
char *fub;
int i;
int size_new = strlen(txt) + strlen(d->showstr_head) + 2;
alloc_mem(fub, char, size_new);
fub[0] = '\0';
strncat(fub, d->showstr_head, size_new);
i = strlen(fub) - strlen(d->showstr_point);
strncat(fub, txt, size_new);
replace_string(d->showstr_head, fub);
d->showstr_point = d->showstr_head + i;
free_mem(fub);
return;
}
replace_string(d->showstr_head, txt);
d->showstr_point = d->showstr_head;
show_string(d, "");
return;
}
/* string pager */
void show_string(DESCRIPTOR_DATA * d, char *input)
{
char buffer[MAX_STRING_LENGTH * 3];
char buf[MAX_INPUT_LENGTH];
register const char *scan;
register char *scan2;
register const char *chk;
int lines = 0;
int maxlines = get_scr_lines(d->character);
int toggle = 1;
one_argument(input, buf);
switch (UPPER(buf[0]))
{
case '\0':
case 'C':
lines = 0;
break;
case 'R': /* refresh current page of text */
lines = -1 - maxlines;
break;
case 'B': /* scroll back a page of text */
lines = -(2 * maxlines);
break;
case '?':
case 'H': /* Show some help */
d_println(d, "Pager help:\n\r" "C or Enter next page\n\r"
"R refresh this page", 0);
d_println(d,
"B previous page\n\r"
"H or ? help\n\r" "Any other keys exit.", 0);
return;
default: /*otherwise, stop the text viewing */
if (d->showstr_head)
{
replace_string(d->showstr_head, "");
}
d->showstr_point = NULL;
return;
}
/* do any backing up necessary */
if (lines < 0)
{
for (scan = d->showstr_point; scan > d->showstr_head; scan--)
if ((*scan == '\n') || (*scan == '\r'))
{
toggle = -toggle;
if (toggle < 0)
if (!(++lines))
break;
}
d->showstr_point = scan;
}
/* show a chunk */
lines = 0;
toggle = 1;
for (scan2 = buffer;; scan2++, d->showstr_point++)
if (((*scan2 = *d->showstr_point) == '\n' || *scan2 == '\r')
&& (toggle = -toggle) < 0)
lines++;
else if (!*scan2
|| (d->character && !IS_NPC(d->character)
&& lines >= maxlines))
{
*scan2 = '\0';
d_print(d, buffer, strlen(buffer));
/* See if this is the end (or near the end) of the string */
for (chk = d->showstr_point; isspace(*chk); chk++);
if (!*chk)
{
if (d->showstr_head)
{
replace_string(d->showstr_head, "");
}
d->showstr_point = 0;
}
return;
}
return;
}
char *fname(const char *namelist)
{
static char holder[256];
char *point;
for (point = holder; isalpha(*namelist); namelist++, point++)
*point = *namelist;
*point = '\0';
return (holder);
}
void perform_act(const char *orig, CHAR_DATA * ch, const void *arg1,
const void *arg2, flag_t type, CHAR_DATA * to)
{
static char *const he_she[] = { "it", "he", "she" };
static char *const him_her[] = { "it", "him", "her" };
static char *const his_her[] = { "its", "his", "her" };
CHAR_DATA *vch = (CHAR_DATA *) arg2;
OBJ_DATA *obj1 = (OBJ_DATA *) arg1;
OBJ_DATA *obj2 = (OBJ_DATA *) arg2;
const char *str, *i = NULL;
char *point;
char buf[MSL];
point = buf;
str = orig;
while (*str != '\0')
{
if (*str != '$')
{
*point++ = *str++;
continue;
}
++str;
i = "<@@@>";
if (!arg2 && *str >= 'A' && *str <= 'Z')
{
logf("perform_act:missing arg2 for code %d.", *str);
i = " <@@@> ";
}
else
{
switch (*str)
{
default:
logf("perform_act:bad code %c.", *str);
i = " <@@@> ";
break;
case '$':
i = "$";
break;
case 't':
if (arg1)
{
if (IS_SET(type, TO_DAMAGE)
&& (IS_NPC(to) || !IS_SET(to->act, PLR_AUTODAMAGE)))
i = &str_empty[0];
else
i = (const char *) arg1;
}
else
log_string("perform_act:bad code $t for 'arg1'");
break;
case 'T':
if (arg2)
i = (const char *) arg2;
else
log_string("perform_act:bad code $T for 'arg2'");
break;
case 'n':
if (ch && to)
i = PERS(ch, to);
else
log_string("perform_act:bad code $n for 'ch' or 'to'");
break;
case 'N':
if (vch && to)
i = PERS(vch, to);
else
log_string("perform_act:bad code $N for 'ch' or 'to'");
break;
case 'e':
if (ch)
i = he_she[URANGE(0, ch->sex, 2)];
else
log_string("perform_act:bad code $e for 'ch'");
break;
case 'E':
if (vch)
i = he_she[URANGE(0, vch->sex, 2)];
else
log_string("perform_act:bad code $E for 'vch'");
break;
case 'm':
if (ch)
i = him_her[URANGE(0, ch->sex, 2)];
else
log_string("perform_act:bad code $m for 'ch'");
break;
case 'M':
if (vch)
i = him_her[URANGE(0, vch->sex, 2)];
else
log_string("perform_act:bad code $M for 'vch'");
break;
case 's':
if (ch)
i = his_her[URANGE(0, ch->sex, 2)];
else
log_string("perform_act:bad code $s for 'ch'");
break;
case 'S':
if (vch)
i = his_her[URANGE(0, vch->sex, 2)];
else
log_string("perform_act:bad code $S for 'vch'");
break;
case 'g':
if (ch && ch->deity != NULL)
i = ch->deity->name;
else
log_string("perform_act:bad code $g for 'ch'");
break;
case 'G':
if (vch && vch->deity != NULL)
i = vch->deity->name;
else
log_string("perform_act:bad code $G for 'vch'");
break;
case 'c':
if (ch && ch->clan != NULL)
i = ch->clan->name;
else
log_string("perform_act:bad code $c for 'ch'");
break;
case 'C':
if (vch && vch->clan != NULL)
i = vch->clan->name;
else
log_string("perform_act:bad code $C for 'vch'");
break;
case 'o':
if (to && obj1)
i = can_see_obj(to, obj1) ? fname(obj1->name) : "something";
else
log_string("perform_act:bad code $o for 'to' and 'obj1'");
break;
case 'O':
if (to && obj2)
i = can_see_obj(to, obj2) ? fname(obj2->name) : "something";
else
log_string("perform_act:bad code $O for 'to' and 'obj2'");
break;
case 'p':
if (to && obj1)
i = can_see_obj(to, obj1) ? obj1->short_descr : "something";
else
log_string("perform_act:bad code $p for 'to' and 'obj1'");
break;
case 'P':
if (to && obj2)
i = can_see_obj(to, obj2) ? obj2->short_descr : "something";
else
log_string("perform_act:bad code $P for 'to' and 'obj2'");
break;
case 'd':
if (arg2 == NULL || ((const char *) arg2)[0] == '\0')
{
i = "door";
}
else
{
char name[MIL];
one_argument((const char *) arg2, name);
i = name;
}
break;
}
}
++str;
while ((*point = *i) != '\0')
++point, ++i;
}
*point++ = '{';
*point++ = 'x';
*point++ = '\n';
*point++ = '\r';
*point = '\0';
buf[0] = UPPER(buf[0]);
if (to->desc)
{
if (to->desc->connected == CON_PLAYING)
d_print(to->desc, buf, point - buf);
}
else if (IS_NPC(to) && MOBtrigger && HAS_TRIGGER_MOB(to, TRIG_ACT))
p_act_trigger(buf, to, NULL, NULL, ch, arg1, arg2, TRIG_ACT);
if (ch && ch->in_room && IS_SET(type, TO_ROOM | TO_NOTVICT))
{
OBJ_DATA *obj, *obj_next;
CHAR_DATA *tch, *tch_next;
point = buf;
str = orig;
while (*str != '\0')
{
*point++ = *str++;
}
*point = '\0';
for (obj = ch->in_room->first_content; obj; obj = obj_next)
{
obj_next = obj->next_content;
if (HAS_TRIGGER_OBJ(obj, TRIG_ACT))
p_act_trigger(buf, NULL, obj, NULL, ch, NULL, NULL, TRIG_ACT);
}
for (tch = ch; tch; tch = tch_next)
{
tch_next = tch->next_in_room;
for (obj = tch->first_carrying; obj; obj = obj_next)
{
obj_next = obj->next_content;
if (HAS_TRIGGER_OBJ(obj, TRIG_ACT))
p_act_trigger(buf, NULL, obj, NULL, ch, NULL, NULL,
TRIG_ACT);
}
}
if (HAS_TRIGGER_ROOM(ch->in_room, TRIG_ACT))
p_act_trigger(buf, NULL, NULL, ch->in_room, ch, NULL, NULL,
TRIG_ACT);
}
return;
}
const char *perform_act_string(const char *orig, CHAR_DATA * ch,
const void *arg1, const void *arg2, bool cReturn)
{
static char *const he_she[] = { "it", "he", "she" };
static char *const him_her[] = { "it", "him", "her" };
static char *const his_her[] = { "its", "his", "her" };
CHAR_DATA *vch = (CHAR_DATA *) arg2;
OBJ_DATA *obj1 = (OBJ_DATA *) arg1;
OBJ_DATA *obj2 = (OBJ_DATA *) arg2;
const char *str, *i = NULL;
char *point;
static char buf[MSL];
point = buf;
str = orig;
while (*str != '\0')
{
if (*str != '$')
{
*point++ = *str++;
continue;
}
++str;
i = "<@@@>";
if (!arg2 && *str >= 'A' && *str <= 'Z')
{
logf("perform_act:missing arg2 for code %d.", *str);
i = " <@@@> ";
}
else
{
switch (*str)
{
default:
logf("perform_act:bad code %c.", *str);
i = " <@@@> ";
break;
case '$':
i = "$";
break;
case 't':
if (arg1)
{
i = (const char *) arg1;
}
else
log_string("perform_act:bad code $t for 'arg1'");
break;
case 'T':
if (arg2)
i = (const char *) arg2;
else
log_string("perform_act:bad code $T for 'arg2'");
break;
case 'n':
if (ch)
i = IS_NPC(ch) ? ch->short_descr : ch->name;
else
log_string("perform_act:bad code $n for 'ch'");
break;
case 'N':
if (vch)
i = IS_NPC(vch) ? vch->short_descr : vch->name;
else
log_string("perform_act:bad code $N for 'vch'");
break;
case 'e':
if (ch)
i = he_she[URANGE(0, ch->sex, 2)];
else
log_string("perform_act:bad code $e for 'ch'");
break;
case 'E':
if (vch)
i = he_she[URANGE(0, vch->sex, 2)];
else
log_string("perform_act:bad code $E for 'vch'");
break;
case 'm':
if (ch)
i = him_her[URANGE(0, ch->sex, 2)];
else
log_string("perform_act:bad code $m for 'ch'");
break;
case 'M':
if (vch)
i = him_her[URANGE(0, vch->sex, 2)];
else
log_string("perform_act:bad code $M for 'vch'");
break;
case 's':
if (ch)
i = his_her[URANGE(0, ch->sex, 2)];
else
log_string("perform_act:bad code $s for 'ch'");
break;
case 'S':
if (vch)
i = his_her[URANGE(0, vch->sex, 2)];
else
log_string("perform_act:bad code $S for 'vch'");
break;
case 'g':
if (ch && ch->deity != NULL)
i = ch->deity->name;
else
log_string("perform_act:bad code $g for 'ch'");
break;
case 'G':
if (vch && vch->deity != NULL)
i = vch->deity->name;
else
log_string("perform_act:bad code $G for 'vch'");
break;
case 'c':
if (ch && ch->clan != NULL)
i = ch->clan->name;
else
log_string("perform_act:bad code $c for 'ch'");
break;
case 'C':
if (vch && vch->clan != NULL)
i = vch->clan->name;
else
log_string("perform_act:bad code $C for 'vch'");
break;
case 'o':
if (obj1)
i = fname(obj1->name);
else
log_string("perform_act:bad code $o for 'to' and 'obj1'");
break;
case 'O':
if (obj2)
i = fname(obj2->name);
else
log_string("perform_act:bad code $O for 'obj2'");
break;
case 'p':
if (obj1)
i = obj1->short_descr;
else
log_string("perform_act:bad code $p for 'obj1'");
break;
case 'P':
if (obj2)
i = obj2->short_descr;
else
log_string("perform_act:bad code $P for 'obj2'");
break;
case 'd':
if (arg2 == NULL || ((const char *) arg2)[0] == '\0')
{
i = "door";
}
else
{
char name[MIL];
one_argument((const char *) arg2, name);
i = name;
}
break;
}
}
++str;
while ((*point = *i) != '\0')
++point, ++i;
}
*point++ = '{';
*point++ = 'x';
if (cReturn)
{
*point++ = '\n';
*point++ = '\r';
}
*point = '\0';
buf[0] = UPPER(buf[0]);
return buf;
}
#define SENDOK(ch, type) ((IS_NPC(ch) || ((ch)->desc && (ch->desc->connected == CON_PLAYING))) \
&& ((ch)->position >= min_pos))
void act_new(const char *format, CHAR_DATA * ch, const void *arg1,
const void *arg2, flag_t type, position_t min_pos)
{
DESCRIPTOR_DATA *d;
ROOM_INDEX_DATA *room;
CHAR_DATA *to = (CHAR_DATA *) arg2;
if (!format || !*format)
return;
if (IS_SET(type, TO_CHAR))
{
if (ch && SENDOK(ch, type))
perform_act(format, ch, arg1, arg2, type, ch);
}
if (IS_SET(type, TO_VICT))
{
if (to && SENDOK(to, type) && to != ch)
perform_act(format, ch, arg1, arg2, type, to);
}
if (IS_SET(type, TO_ZONE | TO_ALL))
{
for (d = descriptor_first; d; d = d->next)
{
CHAR_DATA *vch = CH(d);
if (vch && SENDOK(vch, type) && (vch != ch)
&&
((IS_SET
(type, TO_ALL) || (vch->in_room
&& vch->in_room->area ==
ch->in_room->area))))
perform_act(format, ch, arg1, arg2, type, vch);
}
}
if (IS_SET(type, TO_ROOM | TO_NOTVICT))
{
OBJ_DATA *obj1 = (OBJ_DATA *) arg1;
OBJ_DATA *obj2 = (OBJ_DATA *) arg2;
if (ch && ch->in_room != NULL)
room = ch->in_room;
else if (obj1 && obj1->in_room != NULL)
room = obj1->in_room;
else if (obj2 && obj2->in_room != NULL)
room = obj2->in_room;
else
{
bugf("no valid target '%s'", format);
return;
}
for (to = room->first_person; to; to = to->next_in_room)
{
if (SENDOK(to, type) && (to != ch)
&& (IS_SET(type, TO_ROOM) || (to != (CHAR_DATA *) arg2)))
perform_act(format, ch, arg1, arg2, type, to);
}
}
return;
}
void chprintf(CHAR_DATA * ch, const char *fmt, ...)
{
char buf[MAX_STRING_LENGTH * 2];
va_list args;
int length;
if (IS_NULLSTR(fmt) || !ch->desc)
return;
va_start(args, fmt);
length = vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
d_print(ch->desc, buf, length);
}
void chprintlnf(CHAR_DATA * ch, const char *fmt, ...)
{
if (!ch || !ch->desc)
return;
if (!IS_NULLSTR(fmt))
{
char buf[MAX_STRING_LENGTH * 2];
va_list args;
int length;
va_start(args, fmt);
length = vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
d_print(ch->desc, buf, length);
}
d_print(ch->desc, "\n\r", 2);
}
void bugf(const char *fmt, ...)
{
char buf[2 * MSL];
va_list args;
if (IS_NULLSTR(fmt))
return;
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
bug(buf);
}
void logf(const char *fmt, ...)
{
char buf[2 * MSL];
va_list args;
if (IS_NULLSTR(fmt))
return;
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
log_string(buf);
}
void set_game_levels(int Old, int New)
{
CMD_DATA *cmd;
HELP_DATA *pHelp;
OBJ_INDEX_DATA *pObj;
MOB_INDEX_DATA *pMob;
BAN_DATA *ban;
DISABLED_DATA *d;
MBR_DATA *mbr;
int hash, sn, x;
int diff = MAX_LEVEL - LEVEL_IMMORTAL;
int imm_level = Old - diff;
int mod = New - Old;
logf("Old Imm Level = %d, Old Max Level = %d.", imm_level, Old);
logf("New Imm Level = %d, New Max Level = %d.", New - diff, New);
for (cmd = cmd_first; cmd; cmd = cmd->next)
{
if (cmd->level >= imm_level)
cmd->level += mod;
}
rw_commands(action_write);
for (pHelp = help_first; pHelp; pHelp = pHelp->next)
{
if (pHelp->level >= imm_level)
pHelp->level += mod;
}
save_helps();
for (hash = 0; hash < MAX_KEY_HASH; hash++)
{
for (pMob = mob_index_hash[hash]; pMob; pMob = pMob->next)
{
if (pMob->level >= imm_level)
{
pMob->level += mod;
SET_BIT(pMob->area->area_flags, AREA_CHANGED);
}
}
for (pObj = obj_index_hash[hash]; pObj; pObj = pObj->next)
{
if (pObj->level >= imm_level)
{
pObj->level += mod;
SET_BIT(pObj->area->area_flags, AREA_CHANGED);
}
}
}
do_asave(NULL, "changed");
for (ban = ban_first; ban; ban = ban->next)
{
if (ban->level >= imm_level)
ban->level += mod;
}
rw_bans(action_write);
for (d = disabled_first; d; d = d->next)
{
if (d->level >= imm_level)
d->level += mod;
}
save_disabled();
for (sn = 0; sn < maxSkill; sn++)
{
for (x = 0; x < maxClass; x++)
{
if (skill_table[sn].skill_level[x] >= imm_level)
skill_table[sn].skill_level[x] += mod;
}
}
rw_skills(action_write);
for (mbr = mbr_first; mbr; mbr = mbr->next)
{
if (mbr->level >= imm_level)
mbr->level += mod;
}
rw_members(action_write);
}
/* wrap text to screen length. Ignore's new lines.
Good for presenting long strings of text. */
#if defined(__cplusplus)
// a c++ example
void DESCRIPTOR_DATA::wrap(const char *buf)
{
DESCRIPTOR_DATA *d = this;
#else
void dwrap(DESCRIPTOR_DATA * d, const char *buf)
{
#endif
static char buffer[MSL * 5];
static char out[MSL * 5];
int width;
unsigned int pos;
char *p;
if (!d)
return;
width = SCR_WIDTH(d);
sprintf(buffer, "%s", buf);
reformat_desc(buffer);
p = &buffer[0];
pos = 0;
out[0] = NUL;
do
{
pos = get_line(p, width);
if (pos > 0)
{
strncat(out, p, pos);
p += pos;
}
else
{
strcat(out, p);
break;
}
strcat(out, "\n\r");
}
while (TRUE);
d_print(d, out, 0);
}
void dwrapln(DESCRIPTOR_DATA * d, const char *buf)
{
if (!d)
return;
dwrap(d, buf);
d_print(d, "\n\r", 2);
}
void dwrapf(DESCRIPTOR_DATA * d, const char *buf, ...)
{
va_list args;
char format[MSL * 5];
if (!d || IS_NULLSTR(buf))
return;
va_start(args, buf);
vsnprintf(format, sizeof(format), buf, args);
va_end(args);
dwrap(d, format);
}
void dwraplnf(DESCRIPTOR_DATA * d, const char *buf, ...)
{
if (!d)
return;
if (!IS_NULLSTR(buf))
{
va_list args;
char format[MSL * 5];
va_start(args, buf);
vsnprintf(format, sizeof(format), buf, args);
va_end(args);
dwrap(d, format);
}
d_print(d, "\n\r", 2);
return;
}