Generally use NULL instead of explicitly casting 0 to some pointer type (part2).
[dragonfly.git] / games / hack / hack.end.c
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.end.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.end.c,v 1.4 1999/11/16 10:26:36 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.end.c,v 1.5 2006/08/21 19:45:32 pavalos Exp $ */
5
6 #include "hack.h"
7 #define Sprintf (void) sprintf
8
9 #define newttentry() (struct toptenentry *) alloc(sizeof(struct toptenentry))
10 #define NAMSZ   8
11 #define DTHSZ   40
12 #define PERSMAX 1
13 #define POINTSMIN       1       /* must be > 0 */
14 #define ENTRYMAX        100     /* must be >= 10 */
15 #define PERS_IS_UID             /* delete for PERSMAX per name; now per uid */
16 struct toptenentry {
17         struct toptenentry *tt_next;
18         long int points;
19         int level,maxlvl,hp,maxhp;
20         int uid;
21         char plchar;
22         char sex;
23         char name[NAMSZ+1];
24         char death[DTHSZ+1];
25         char date[7];           /* yymmdd */
26 } *tt_head;
27
28 static void              done_intr(int);
29 static void              done_hangup(int);
30 static void              topten(void);
31 static void              outheader(void);
32 static int               outentry(int, struct toptenentry *, int);
33 static char             *itoa(int);
34 static const char       *ordin(int);
35
36 xchar maxdlevel = 1;
37
38 void
39 done1(__unused int unused)
40 {
41         signal(SIGINT,SIG_IGN);
42         pline("Really quit?");
43         if(readchar() != 'y') {
44                 signal(SIGINT,done1);
45                 clrlin();
46                 fflush(stdout);
47                 if(multi > 0) nomul(0);
48                 return;
49         }
50         done("quit");
51         /* NOTREACHED */
52 }
53
54 int done_stopprint;
55 int done_hup;
56
57 static void
58 done_intr(__unused int unused)
59 {
60         done_stopprint++;
61         signal(SIGINT, SIG_IGN);
62         signal(SIGQUIT, SIG_IGN);
63 }
64
65 static void
66 done_hangup(__unused int unused)
67 {
68         done_hup++;
69         signal(SIGHUP, SIG_IGN);
70         done_intr(0);
71 }
72
73 void
74 done_in_by(struct monst *mtmp)
75 {
76 static char buf[BUFSZ];
77         pline("You die ...");
78         if(mtmp->data->mlet == ' '){
79                 Sprintf(buf, "the ghost of %s", (char *) mtmp->mextra);
80                 killer = buf;
81         } else if(mtmp->mnamelth) {
82                 Sprintf(buf, "%s called %s",
83                         mtmp->data->mname, NAME(mtmp));
84                 killer = buf;
85         } else if(mtmp->minvis) {
86                 Sprintf(buf, "invisible %s", mtmp->data->mname);
87                 killer = buf;
88         } else killer = mtmp->data->mname;
89         done("died");
90 }
91
92 /* called with arg "died", "drowned", "escaped", "quit", "choked", "panicked",
93    "burned", "starved" or "tricked" */
94 /* Be careful not to call panic from here! */
95 void
96 done(const char *st1)
97 {
98
99 #ifdef WIZARD
100         if(wizard && *st1 == 'd'){
101                 u.uswldtim = 0;
102                 if(u.uhpmax < 0) u.uhpmax = 100;        /* arbitrary */
103                 u.uhp = u.uhpmax;
104                 pline("For some reason you are still alive.");
105                 flags.move = 0;
106                 if(multi > 0) multi = 0; else multi = -1;
107                 flags.botl = 1;
108                 return;
109         }
110 #endif /* WIZARD */
111         signal(SIGINT, done_intr);
112         signal(SIGQUIT, done_intr);
113         signal(SIGHUP, done_hangup);
114         if(*st1 == 'q' && u.uhp < 1){
115                 st1 = "died";
116                 killer = "quit while already on Charon's boat";
117         }
118         if(*st1 == 's') killer = "starvation"; else
119         if(*st1 == 'd' && st1[1] == 'r') killer = "drowning"; else
120         if(*st1 == 'p') killer = "panic"; else
121         if(*st1 == 't') killer = "trickery"; else
122         if(!index("bcd", *st1)) killer = st1;
123         paybill();
124         clearlocks();
125         if(flags.toplin == 1) more();
126         if(index("bcds", *st1)){
127 #ifdef WIZARD
128             if(!wizard)
129 #endif /* WIZARD */
130                 savebones();
131                 if(!flags.notombstone)
132                         outrip();
133         }
134         if(*st1 == 'c') killer = st1;           /* after outrip() */
135         settty(NULL);                           /* does a clear_screen() */
136         if(!done_stopprint)
137                 printf("Goodbye %s %s...\n\n", pl_character, plname);
138         { long int tmp;
139           tmp = u.ugold - u.ugold0;
140           if(tmp < 0)
141                 tmp = 0;
142           if(*st1 == 'd' || *st1 == 'b')
143                 tmp -= tmp/10;
144           u.urexp += tmp;
145           u.urexp += 50 * maxdlevel;
146           if(maxdlevel > 20)
147                 u.urexp += 1000*((maxdlevel > 30) ? 10 : maxdlevel - 20);
148         }
149         if(*st1 == 'e') {
150                 struct monst *mtmp;
151                 struct obj *otmp;
152                 int i;
153                 unsigned worthlessct = 0;
154                 boolean has_amulet = FALSE;
155
156                 killer = st1;
157                 keepdogs();
158                 mtmp = mydogs;
159                 if(mtmp) {
160                         if(!done_stopprint) printf("You");
161                         while(mtmp) {
162                                 if(!done_stopprint)
163                                         printf(" and %s", monnam(mtmp));
164                                 if(mtmp->mtame)
165                                         u.urexp += mtmp->mhp;
166                                 mtmp = mtmp->nmon;
167                         }
168                         if(!done_stopprint)
169                     printf("\nescaped from the dungeon with %ld points,\n",
170                         u.urexp);
171                 } else
172                 if(!done_stopprint)
173                   printf("You escaped from the dungeon with %ld points,\n",
174                     u.urexp);
175                 for(otmp = invent; otmp; otmp = otmp->nobj) {
176                         if(otmp->olet == GEM_SYM){
177                                 objects[otmp->otyp].oc_name_known = 1;
178                                 i = otmp->quan*objects[otmp->otyp].g_val;
179                                 if(i == 0) {
180                                         worthlessct += otmp->quan;
181                                         continue;
182                                 }
183                                 u.urexp += i;
184                                 if(!done_stopprint)
185                                   printf("\t%s (worth %d Zorkmids),\n",
186                                     doname(otmp), i);
187                         } else if(otmp->olet == AMULET_SYM) {
188                                 otmp->known = 1;
189                                 i = (otmp->spe < 0) ? 2 : 5000;
190                                 u.urexp += i;
191                                 if(!done_stopprint)
192                                   printf("\t%s (worth %d Zorkmids),\n",
193                                     doname(otmp), i);
194                                 if(otmp->spe >= 0) {
195                                         has_amulet = TRUE;
196                                         killer = "escaped (with amulet)";
197                                 }
198                         }
199                 }
200                 if(worthlessct) if(!done_stopprint)
201                   printf("\t%u worthless piece%s of coloured glass,\n",
202                   worthlessct, plur(worthlessct));
203                 if(has_amulet) u.urexp *= 2;
204         } else
205                 if(!done_stopprint)
206                   printf("You %s on dungeon level %d with %ld points,\n",
207                     st1, dlevel, u.urexp);
208         if(!done_stopprint)
209           printf("and %ld piece%s of gold, after %ld move%s.\n",
210             u.ugold, plur(u.ugold), moves, plur(moves));
211         if(!done_stopprint)
212   printf("You were level %u with a maximum of %d hit points when you %s.\n",
213             u.ulevel, u.uhpmax, st1);
214         if(*st1 == 'e' && !done_stopprint){
215                 getret();       /* all those pieces of coloured glass ... */
216                 cls();
217         }
218 #ifdef WIZARD
219         if(!wizard)
220 #endif /* WIZARD */
221                 topten();
222         if(done_stopprint) printf("\n\n");
223         exit(0);
224 }
225
226 static void
227 topten(void)
228 {
229         int uid = getuid();
230         int rank, rank0 = -1, rank1 = 0;
231         int occ_cnt = PERSMAX;
232         struct toptenentry *t0, *t1, *tprev;
233         const char *recfile = RECORD;
234         const char *reclock = "record_lock";
235         int sleepct = 300;
236         FILE *rfile;
237         int flg = 0;
238 #define HUP     if(!done_hup)
239         while(link(recfile, reclock) == -1) {
240                 HUP perror(reclock);
241                 if(!sleepct--) {
242                         HUP puts("I give up. Sorry.");
243                         HUP puts("Perhaps there is an old record_lock around?");
244                         return;
245                 }
246                 HUP printf("Waiting for access to record file. (%d)\n",
247                         sleepct);
248                 HUP fflush(stdout);
249                 sleep(1);
250         }
251         if(!(rfile = fopen(recfile,"r"))){
252                 HUP puts("Cannot open record file!");
253                 goto unlock;
254         }
255         HUP putchar('\n');
256
257         /* create a new 'topten' entry */
258         t0 = newttentry();
259         t0->level = dlevel;
260         t0->maxlvl = maxdlevel;
261         t0->hp = u.uhp;
262         t0->maxhp = u.uhpmax;
263         t0->points = u.urexp;
264         t0->plchar = pl_character[0];
265         t0->sex = (flags.female ? 'F' : 'M');
266         t0->uid = uid;
267         strncpy(t0->name, plname, NAMSZ);
268         (t0->name)[NAMSZ] = 0;
269         strncpy(t0->death, killer, DTHSZ);
270         (t0->death)[DTHSZ] = 0;
271         strcpy(t0->date, getdate());
272
273         /* assure minimum number of points */
274         if(t0->points < POINTSMIN)
275                 t0->points = 0;
276
277         t1 = tt_head = newttentry();
278         tprev = 0;
279         /* rank0: -1 undefined, 0 not_on_list, n n_th on list */
280         for(rank = 1; ; ) {
281           if(fscanf(rfile, "%6s %d %d %d %d %d %ld %c%c %[^,],%[^\n]",
282                 t1->date, &t1->uid,
283                 &t1->level, &t1->maxlvl,
284                 &t1->hp, &t1->maxhp, &t1->points,
285                 &t1->plchar, &t1->sex, t1->name, t1->death) != 11
286           || t1->points < POINTSMIN)
287                         t1->points = 0;
288           if(rank0 < 0 && t1->points < t0->points) {
289                 rank0 = rank++;
290                 if(tprev == 0)
291                         tt_head = t0;
292                 else
293                         tprev->tt_next = t0;
294                 t0->tt_next = t1;
295                 occ_cnt--;
296                 flg++;          /* ask for a rewrite */
297           } else
298                 tprev = t1;
299           if(t1->points == 0) break;
300           if(
301 #ifdef PERS_IS_UID
302              t1->uid == t0->uid &&
303 #else
304              strncmp(t1->name, t0->name, NAMSZ) == 0 &&
305 #endif /* PERS_IS_UID */
306              t1->plchar == t0->plchar && --occ_cnt <= 0){
307                 if(rank0 < 0){
308                         rank0 = 0;
309                         rank1 = rank;
310         HUP printf("You didn't beat your previous score of %ld points.\n\n",
311                                 t1->points);
312                 }
313                 if(occ_cnt < 0){
314                         flg++;
315                         continue;
316                 }
317           }
318           if(rank <= ENTRYMAX){
319                 t1 = t1->tt_next = newttentry();
320                 rank++;
321           }
322           if(rank > ENTRYMAX){
323                 t1->points = 0;
324                 break;
325           }
326         }
327         if(flg) {       /* rewrite record file */
328                 fclose(rfile);
329                 if(!(rfile = fopen(recfile,"w"))){
330                         HUP puts("Cannot write record file\n");
331                         goto unlock;
332                 }
333
334                 if(!done_stopprint) if(rank0 > 0){
335                     if(rank0 <= 10)
336                         puts("You made the top ten list!\n");
337                     else
338                 printf("You reached the %d%s place on the top %d list.\n\n",
339                         rank0, ordin(rank0), ENTRYMAX);
340                 }
341         }
342         if(rank0 == 0) rank0 = rank1;
343         if(rank0 <= 0) rank0 = rank;
344         if(!done_stopprint) outheader();
345         t1 = tt_head;
346         for(rank = 1; t1->points != 0; rank++, t1 = t1->tt_next) {
347           if(flg) fprintf(rfile,"%6s %d %d %d %d %d %ld %c%c %s,%s\n",
348             t1->date, t1->uid,
349             t1->level, t1->maxlvl,
350             t1->hp, t1->maxhp, t1->points,
351             t1->plchar, t1->sex, t1->name, t1->death);
352           if(done_stopprint) continue;
353           if(rank > (int)flags.end_top &&
354             (rank < rank0-(int)flags.end_around || rank > rank0+(int)flags.end_around)
355             && (!flags.end_own ||
356 #ifdef PERS_IS_UID
357                                   t1->uid != t0->uid ))
358 #else
359                                   strncmp(t1->name, t0->name, NAMSZ)))
360 #endif /* PERS_IS_UID */
361                 continue;
362           if(rank == rank0-(int)flags.end_around &&
363              rank0 > (int)flags.end_top+(int)flags.end_around+1 &&
364              !flags.end_own)
365                 putchar('\n');
366           if(rank != rank0)
367                 outentry(rank, t1, 0);
368           else if(!rank1)
369                 outentry(rank, t1, 1);
370           else {
371                 int t0lth = outentry(0, t0, -1);
372                 int t1lth = outentry(rank, t1, t0lth);
373                 if(t1lth > t0lth) t0lth = t1lth;
374                 outentry(0, t0, t0lth);
375           }
376         }
377         if(rank0 >= rank) if(!done_stopprint)
378                 outentry(0, t0, 1);
379         fclose(rfile);
380 unlock:
381         unlink(reclock);
382 }
383
384 static void
385 outheader(void)
386 {
387 char linebuf[BUFSZ];
388 char *bp;
389         strcpy(linebuf, "Number Points  Name");
390         bp = eos(linebuf);
391         while(bp < linebuf + COLNO - 9) *bp++ = ' ';
392         strcpy(bp, "Hp [max]");
393         puts(linebuf);
394 }
395
396 /* so>0: standout line; so=0: ordinary line; so<0: no output, return lth */
397 static int
398 outentry(int rank, struct toptenentry *t1, int so)
399 {
400 boolean quit = FALSE, dead = FALSE, starv = FALSE;
401 char linebuf[BUFSZ];
402         linebuf[0] = 0;
403         if(rank) Sprintf(eos(linebuf), "%3d", rank);
404                 else Sprintf(eos(linebuf), "   ");
405         Sprintf(eos(linebuf), " %6ld %8s", t1->points, t1->name);
406         if(t1->plchar == 'X') Sprintf(eos(linebuf), " ");
407         else Sprintf(eos(linebuf), "-%c ", t1->plchar);
408         if(!strncmp("escaped", t1->death, 7)) {
409           if(!strcmp(" (with amulet)", t1->death+7))
410             Sprintf(eos(linebuf), "escaped the dungeon with amulet");
411           else
412             Sprintf(eos(linebuf), "escaped the dungeon [max level %d]",
413               t1->maxlvl);
414         } else {
415           if(!strncmp(t1->death,"quit",4)) {
416             quit = TRUE;
417             if(t1->maxhp < 3*t1->hp && t1->maxlvl < 4)
418                 Sprintf(eos(linebuf), "cravenly gave up");
419             else
420                 Sprintf(eos(linebuf), "quit");
421           }
422           else if(!strcmp(t1->death,"choked"))
423             Sprintf(eos(linebuf), "choked on %s food",
424                 (t1->sex == 'F') ? "her" : "his");
425           else if(!strncmp(t1->death,"starv",5))
426             Sprintf(eos(linebuf), "starved to death"), starv = TRUE;
427           else Sprintf(eos(linebuf), "was killed"), dead = TRUE;
428           Sprintf(eos(linebuf), " on%s level %d",
429             (dead || starv) ? "" : " dungeon", t1->level);
430           if(t1->maxlvl != t1->level)
431             Sprintf(eos(linebuf), " [max %d]", t1->maxlvl);
432           if(quit && t1->death[4]) Sprintf(eos(linebuf), t1->death + 4);
433         }
434         if(dead) Sprintf(eos(linebuf), " by %s%s",
435           (!strncmp(t1->death, "trick", 5) || !strncmp(t1->death, "the ", 4))
436                 ? "" :
437           index(vowels,*t1->death) ? "an " : "a ",
438           t1->death);
439         Sprintf(eos(linebuf), ".");
440         if(t1->maxhp) {
441           char *bp = eos(linebuf);
442           char hpbuf[10];
443           int hppos;
444           Sprintf(hpbuf, (t1->hp > 0) ? itoa(t1->hp) : "-");
445           hppos = COLNO - 7 - strlen(hpbuf);
446           if(bp <= linebuf + hppos) {
447             while(bp < linebuf + hppos) *bp++ = ' ';
448             strcpy(bp, hpbuf);
449             Sprintf(eos(bp), " [%d]", t1->maxhp);
450           }
451         }
452         if(so == 0) puts(linebuf);
453         else if(so > 0) {
454           char *bp = eos(linebuf);
455           if(so >= COLNO) so = COLNO-1;
456           while(bp < linebuf + so) *bp++ = ' ';
457           *bp = 0;
458           standoutbeg();
459           fputs(linebuf,stdout);
460           standoutend();
461           putchar('\n');
462         }
463         return(strlen(linebuf));
464 }
465
466 static char *
467 itoa(int a)
468 {
469 static char buf[12];
470         Sprintf(buf,"%d",a);
471         return(buf);
472 }
473
474 static const char *
475 ordin(int n)
476 {
477         int d1 = n % 10;
478         return((d1==0 || d1>3 || n/10==1) ? "th" : (d1==1) ? "st" :
479                 (d1==2) ? "nd" : "rd");
480 }
481
482 void
483 clearlocks(void)
484 {
485 int x;
486         signal(SIGHUP,SIG_IGN);
487         for(x = maxdlevel; x >= 0; x--) {
488                 glo(x);
489                 unlink(lock);   /* not all levels need be present */
490         }
491 }
492
493 #ifdef NOSAVEONHANGUP
494 void
495 hangup(__unused int unused)
496 {
497         signal(SIGINT, SIG_IGN);
498         clearlocks();
499         exit(1);
500 }
501 #endif /* NOSAVEONHANGUP */
502
503 char *
504 eos(char *s)
505 {
506         while(*s) s++;
507         return(s);
508 }
509
510 /* it is the callers responsibility to check that there is room for c */
511 void
512 charcat(char *s, char c)
513 {
514         while(*s) s++;
515         *s++ = c;
516         *s = 0;
517 }
518
519 /*
520  * Called with args from main if argc >= 0. In this case, list scores as
521  * requested. Otherwise, find scores for the current player (and list them
522  * if argc == -1).
523  */
524 void
525 prscore(int argc, char **argv)
526 {
527         char **players = NULL;
528         int playerct;
529         int rank;
530         struct toptenentry *t1, *t2;
531         const char *recfile = RECORD;
532         FILE *rfile;
533         int flg = 0;
534         int i;
535 #ifdef nonsense
536         long total_score = 0L;
537         char totchars[10];
538         int totcharct = 0;
539 #endif /* nonsense */
540         int outflg = (argc >= -1);
541 #ifdef PERS_IS_UID
542         int uid = -1;
543 #else
544         char *player0;
545 #endif /* PERS_IS_UID */
546
547         if(!(rfile = fopen(recfile,"r"))){
548                 puts("Cannot open record file!");
549                 return;
550         }
551
552         if(argc > 1 && !strncmp(argv[1], "-s", 2)){
553                 if(!argv[1][2]){
554                         argc--;
555                         argv++;
556                 } else if(!argv[1][3] && index("CFKSTWX", argv[1][2])) {
557                         argv[1]++;
558                         argv[1][0] = '-';
559                 } else  argv[1] += 2;
560         }
561         if(argc <= 1){
562 #ifdef PERS_IS_UID
563                 uid = getuid();
564                 playerct = 0;
565 #else
566                 player0 = plname;
567                 if(!*player0)
568                         player0 = "hackplayer";
569                 playerct = 1;
570                 players = &player0;
571 #endif /* PERS_IS_UID */
572         } else {
573                 playerct = --argc;
574                 players = ++argv;
575         }
576         if(outflg) putchar('\n');
577
578         t1 = tt_head = newttentry();
579         for(rank = 1; ; rank++) {
580           if(fscanf(rfile, "%6s %d %d %d %d %d %ld %c%c %[^,],%[^\n]",
581                 t1->date, &t1->uid,
582                 &t1->level, &t1->maxlvl,
583                 &t1->hp, &t1->maxhp, &t1->points,
584                 &t1->plchar, &t1->sex, t1->name, t1->death) != 11)
585                         t1->points = 0;
586           if(t1->points == 0) break;
587 #ifdef PERS_IS_UID
588           if(!playerct && t1->uid == uid)
589                 flg++;
590           else
591 #endif /* PERS_IS_UID */
592           for(i = 0; i < playerct; i++){
593                 if(strcmp(players[i], "all") == 0 ||
594                    strncmp(t1->name, players[i], NAMSZ) == 0 ||
595                   (players[i][0] == '-' &&
596                    players[i][1] == t1->plchar &&
597                    players[i][2] == 0) ||
598                   (digit(players[i][0]) && rank <= atoi(players[i])))
599                         flg++;
600           }
601           t1 = t1->tt_next = newttentry();
602         }
603         fclose(rfile);
604         if(!flg) {
605             if(outflg) {
606                 printf("Cannot find any entries for ");
607                 if(playerct < 1) printf("you.\n");
608                 else {
609                   if(playerct > 1) printf("any of ");
610                   for(i=0; i<playerct; i++)
611                         printf("%s%s", players[i], (i<playerct-1)?", ":".\n");
612                   printf("Call is: %s -s [playernames]\n", hname);
613                 }
614             }
615             return;
616         }
617
618         if(outflg) outheader();
619         t1 = tt_head;
620         for(rank = 1; t1->points != 0; rank++, t1 = t2) {
621                 t2 = t1->tt_next;
622 #ifdef PERS_IS_UID
623                 if(!playerct && t1->uid == uid)
624                         goto outwithit;
625                 else
626 #endif /* PERS_IS_UID */
627                 for(i = 0; i < playerct; i++){
628                         if(strcmp(players[i], "all") == 0 ||
629                            strncmp(t1->name, players[i], NAMSZ) == 0 ||
630                           (players[i][0] == '-' &&
631                            players[i][1] == t1->plchar &&
632                            players[i][2] == 0) ||
633                           (digit(players[i][0]) && rank <= atoi(players[i]))){
634                         outwithit:
635                                 if(outflg)
636                                     outentry(rank, t1, 0);
637 #ifdef nonsense
638                                 total_score += t1->points;
639                                 if(totcharct < sizeof(totchars)-1)
640                                     totchars[totcharct++] = t1->plchar;
641 #endif /* nonsense */
642                                 break;
643                         }
644                 }
645                 free((char *) t1);
646         }
647 #ifdef nonsense
648         totchars[totcharct] = 0;
649
650         /* We would like to determine whether he is experienced. However,
651            the information collected here only tells about the scores/roles
652            that got into the topten (top 100?). We should maintain a
653            .hacklog or something in his home directory. */
654         flags.beginner = (total_score < 6000);
655         for(i=0; i<6; i++)
656             if(!index(totchars, "CFKSTWX"[i])) {
657                 flags.beginner = 1;
658                 if(!pl_character[0]) pl_character[0] = "CFKSTWX"[i];
659                 break;
660         }
661 #endif /* nonsense */
662 }