1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.main.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.main.c,v 1.9 1999/11/16 10:26:36 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.main.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */
10 #define gamename "quest"
12 #define gamename "hack"
15 void (*afternmv)(void);
16 bool (*occupation)(void);
20 int hackpid; /* current pid */
21 int locknum; /* max num of players */
23 char *catmore; /* default pager */
25 char SAVEF[PL_NSIZ + 11] = "save/"; /* save/99999player */
26 char *hname; /* name of the game (argv[0] of call) */
27 char obuf[BUFSIZ]; /* BUFSIZ is defined in stdio.h */
32 static void chdirx(const char *, bool);
36 main(int argc, char *argv[])
46 #ifdef CHDIR /* otherwise no chdir() */
48 * See if we must change directory to the playground.
49 * (Perhaps hack runs suid and playground is inaccessible
51 * The environment variable HACKDIR is overridden by a
52 * -d command line option (must be the first option given)
55 dir = getenv("HACKDIR");
56 if (argc > 1 && !strncmp(argv[1], "-d", 2)) {
60 if (*dir == '=' || *dir == ':')
62 if (!*dir && argc > 1) {
68 error("Flag -d must be followed by a directory name.");
73 * Who am i? Algorithm: 1. Use name as specified in HACKOPTIONS
74 * 2. Use $USER or $LOGNAME (if 1. fails)
75 * 3. Use getlogin() (if 2. fails)
76 * The resulting name is overridden by command line options.
77 * If everything fails, or if the resulting name is some generic
78 * account like "games", "play", "player", "hack" then eventually
80 * Note that we trust him here; it is possible to play under
81 * somebody else's name.
87 if (!*plname && (s = getenv("USER")))
88 strncpy(plname, s, sizeof(plname) - 1);
89 if (!*plname && (s = getenv("LOGNAME")))
90 strncpy(plname, s, sizeof(plname) - 1);
91 if (!*plname && (s = getlogin()))
92 strncpy(plname, s, sizeof(plname) - 1);
96 * Now we know the directory containing 'record' and
99 if (argc > 1 && !strncmp(argv[1], "-s", 2)) {
108 * It seems he really wants to play.
109 * Remember tty modes, to be restored on exit.
112 setbuf(stdout, obuf);
117 u.uhp = 1; /* prevent RIP on early quits */
118 u.ux = FAR; /* prevent nscr() */
119 signal(SIGHUP, hangup);
122 * Find the creation date of this game,
123 * so as to avoid restoring outdated savefiles.
128 * We cannot do chdir earlier, otherwise gethdate will fail.
137 while (argc > 1 && argv[1][0] == '-') {
140 switch (argv[0][1]) {
153 strncpy(plname, argv[0] + 2, sizeof(plname) - 1);
157 strncpy(plname, argv[0], sizeof(plname) - 1);
159 printf("Player name expected after -u\n");
162 /* allow -T for Tourist, etc. */
163 strncpy(pl_character, argv[0] + 1,
164 sizeof(pl_character) - 1);
169 locknum = atoi(argv[1]);
170 #ifdef MAX_NR_OF_PLAYERS
171 if (!locknum || locknum > MAX_NR_OF_PLAYERS)
172 locknum = MAX_NR_OF_PLAYERS;
175 if (!(catmore = getenv("HACKPAGER")) && !(catmore = getenv("PAGER")))
183 strcpy(plname, "wizard");
186 if (!*plname || !strncmp(plname, "player", 4)
187 || !strncmp(plname, "games", 4))
189 plnamesuffix(); /* strip suffix from name; calls askname() */
190 /* again if suffix was whole name */
191 /* accepts any suffix */
196 * check for multiple games under the same name
197 * (if !locknum) or check max nr of players (otherwise)
199 signal(SIGQUIT, SIG_IGN);
200 signal(SIGINT, SIG_IGN);
202 strcpy(lock, plname);
203 getlock(); /* sets lock if locknum != 0 */
207 strcpy(lock, plname);
208 if ((sfoo = getenv("MAGIC")))
216 if ((sfoo = getenv("GENOCIDED")) != NULL) {
218 struct permonst *pm = mons;
219 char *gp = genocided;
221 while (pm < mons + CMNUM + 2) {
222 if (!strchr(sfoo, pm->mlet))
228 strncpy(genocided, sfoo, sizeof(genocided) - 1);
229 strcpy(fut_geno, genocided);
234 sprintf(SAVEF, "save/%d%s", getuid(), plname);
235 regularize(SAVEF + 5); /* avoid . or / in name */
236 if ((fd = open(SAVEF, O_RDONLY)) >= 0 &&
237 (uptodate(fd) || unlink(SAVEF) == 666)) {
238 signal(SIGINT, done1);
239 pline("Restoring old save file...");
243 pline("Hello %s, welcome to %s!", plname, gamename);
247 fobj = fcobj = invent = 0;
248 fmon = fallen_down = 0;
255 signal(SIGINT, done1);
265 if ((mtmp = m_at(u.ux, u.uy)) != NULL)
266 mnexto(mtmp); /* riv05!a3 */
270 if (flags.nonews || !readnews())
271 /* after reading news we did docrt() already */
275 /* give welcome message before pickup messages */
276 pline("Hello %s, welcome to %s!", plname, gamename);
279 read_engr_at(u.ux, u.uy);
283 flags.moonphase = phase_of_the_moon();
284 if (flags.moonphase == FULL_MOON) {
285 pline("You are lucky! Full moon tonight.");
287 } else if (flags.moonphase == NEW_MOON)
288 pline("Be careful! New moon tonight.");
293 if (flags.move) { /* actual time passed */
296 if (moves % 2 == 0 ||
297 (!(Fast & ~INTRINSIC) && (!Fast || rn2(3)))) {
312 if (u.uhp * 10 < u.uhpmax && moves - wailmsg > 50) {
315 pline("You hear the wailing of the Banshee...");
317 pline("You hear the howling of the CwnAnnwn...");
319 if (u.uhp < u.uhpmax) {
321 if (Regeneration || !(moves % 3)) {
323 u.uhp += rnd((int)u.ulevel - 9);
324 if (u.uhp > u.uhpmax)
327 } else if (Regeneration ||
328 (!(moves % (22 - u.ulevel * 2)))) {
333 if (Teleportation && !rn2(85))
335 if (Searching && multi >= 0)
343 pline(nomovemsg ? nomovemsg :
344 "You can move again.");
353 if (!flags.mv || Blind)
360 if (flags.botl || flags.botlx)
365 if (multi >= 0 && occupation) {
366 if (monster_nearby())
368 else if ((*occupation)() == 0)
379 if (!multi) { /* lookaround may clear multi */
384 if (multi < COLNO && !--multi)
385 flags.mv = flags.run = 0;
391 } else if (multi == 0) {
397 if (multi && multi % 7 == 0)
405 /* construct the string xlock.n */
409 while (*tf && *tf != '.')
411 (void)sprintf(tf, ".%d", foo);
415 * plname is filled either by an option (-u Player or -uPlayer) or
416 * explicitly (-w implies wizard) or by askname.
417 * It may still contain a suffix denoting pl_character.
424 printf("\nWho are you? ");
427 while ((c = getchar()) != '\n') {
429 error("End of input\n");
430 /* some people get confused when their erase char is not ^H */
437 if (c < 'A' || (c > 'Z' && c < 'a') || c > 'z')
439 if (ct < (int)sizeof(plname) - 1)
449 impossible(const char *s, ...)
456 pline("Program in disorder - perhaps you'd better Quit.");
461 chdirx(const char *dir, bool wr)
464 if (dir /* User specified directory? */
466 && strcmp(dir, HACKDIR) /* and not the default? */
479 if (dir && chdir(dir) < 0) {
481 error("Cannot chdir to %s.", dir);
484 /* warn the player if he cannot write the record file */
485 /* perhaps we should also test whether . is writable */
486 /* unfortunately the access systemcall is worthless */
492 if ((fd = open(RECORD, O_RDWR)) < 0) {
493 printf("Warning: cannot write %s/%s", dir, RECORD);
502 stop_occupation(void)
505 pline("You stop %s.", occtxt);