rogue/init.c

   1 /*      $NetBSD: init.c,v 1.10 1999/09/12 09:02:23 jsm Exp $    */
   2
   3 /*
   4  * Copyright (c) 1988, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Timothy C. Stoehr.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 #ifndef lint
  41 #if 0
  42 static char sccsid[] = "@(#)init.c      8.1 (Berkeley) 5/31/93";
  43 #else
  44 __RCSID("$NetBSD: init.c,v 1.10 1999/09/12 09:02:23 jsm Exp $");
  45 #endif
  46 #endif /* not lint */
  47
  48 /*
  49  * init.c
  50  *
  51  * This source herein may be modified and/or distributed by anybody who
  52  * so desires, with the following restrictions:
  53  *    1.)  No portion of this notice shall be removed.
  54  *    2.)  Credit shall not be taken for the creation of this source.
  55  *    3.)  This code is not to be traded, sold, or used for personal
  56  *         gain or profit.
  57  *
  58  */
  59
  60 #include <fcntl.h>
  61
  62 #include "rogue.h"
  63
  64 char login_name[MAX_OPT_LEN];
  65 char *nick_name = (char *) 0;
  66 char *rest_file = 0;
  67 boolean cant_int = 0;
  68 boolean did_int = 0;
  69 boolean score_only;
  70 boolean init_curses = 0;
  71 boolean save_is_interactive = 1;
  72 boolean ask_quit = 1;
  73 boolean no_skull = 0;
  74 boolean passgo = 0;
  75 const char *error_file = "rogue.esave";
  76 const char *byebye_string = "Okay, bye bye!";
  77 gid_t gid, egid;
  78
  79 int
  80 init(argc, argv)
  81         int argc;
  82         char *argv[];
  83 {
  84         const char *pn;
  85         int seed;
  86         int fd;
  87
  88         gid = getgid();
  89         egid = getegid();
  90         setegid(gid);
  91         /* Check for dirty tricks with closed fds 0, 1, 2 */
  92         fd = open("/dev/null", O_RDONLY);
  93         if (fd < 3)
  94                 exit(1);
  95         close(fd);
  96
  97         seed = 0;
  98         pn = md_gln();
  99         if ((!pn) || (strlen(pn) >= MAX_OPT_LEN)) {
 100                 clean_up("Hey!  Who are you?");
 101         }
 102         (void) strcpy(login_name, pn);
 103
 104         do_args(argc, argv);
 105         do_opts();
 106
 107         if (!score_only && !rest_file) {
 108                 printf("Hello %s, just a moment while I dig the dungeon...",
 109                         nick_name);
 110                 fflush(stdout);
 111         }
 112
 113         initscr();
 114         if ((LINES < DROWS) || (COLS < DCOLS)) {
 115                 clean_up("must be played on 24 x 80 screen");
 116         }
 117         start_window();
 118         init_curses = 1;
 119
 120         md_heed_signals();
 121
 122         if (score_only) {
 123                 put_scores((object *) 0, 0);
 124         }
 125         seed = md_gseed();
 126         (void) srrandom(seed);
 127         if (rest_file) {
 128                 restore(rest_file);
 129                 return(1);
 130         }
 131         mix_colors();
 132         get_wand_and_ring_materials();
 133         make_scroll_titles();
 134
 135         level_objects.next_object = (object *) 0;
 136         level_monsters.next_monster = (object *) 0;
 137         player_init();
 138         ring_stats(0);
 139         return(0);
 140 }
 141
 142 void
 143 player_init()
 144 {
 145         object *obj;
 146
 147         rogue.pack.next_object = (object *) 0;
 148
 149         obj = alloc_object();
 150         get_food(obj, 1);
 151         (void) add_to_pack(obj, &rogue.pack, 1);
 152
 153         obj = alloc_object();           /* initial armor */
 154         obj->what_is = ARMOR;
 155         obj->which_kind = RINGMAIL;
 156         obj->class = RINGMAIL+2;
 157         obj->is_protected = 0;
 158         obj->d_enchant = 1;
 159         (void) add_to_pack(obj, &rogue.pack, 1);
 160         do_wear(obj);
 161
 162         obj = alloc_object();           /* initial weapons */
 163         obj->what_is = WEAPON;
 164         obj->which_kind = MACE;
 165         obj->damage = "2d3";
 166         obj->hit_enchant = obj->d_enchant = 1;
 167         obj->identified = 1;
 168         (void) add_to_pack(obj, &rogue.pack, 1);
 169         do_wield(obj);
 170
 171         obj = alloc_object();
 172         obj->what_is = WEAPON;
 173         obj->which_kind = BOW;
 174         obj->damage = "1d2";
 175         obj->hit_enchant = 1;
 176         obj->d_enchant = 0;
 177         obj->identified = 1;
 178         (void) add_to_pack(obj, &rogue.pack, 1);
 179
 180         obj = alloc_object();
 181         obj->what_is = WEAPON;
 182         obj->which_kind = ARROW;
 183         obj->quantity = get_rand(25, 35);
 184         obj->damage = "1d2";
 185         obj->hit_enchant = 0;
 186         obj->d_enchant = 0;
 187         obj->identified = 1;
 188         (void) add_to_pack(obj, &rogue.pack, 1);
 189 }
 190
 191 void
 192 clean_up(estr)
 193         const char *estr;
 194 {
 195         if (save_is_interactive) {
 196                 if (init_curses) {
 197                         move(DROWS-1, 0);
 198                         refresh();
 199                         stop_window();
 200                 }
 201                 printf("\n%s\n", estr);
 202         }
 203         md_exit(0);
 204 }
 205
 206 void
 207 start_window()
 208 {
 209         crmode();
 210         noecho();
 211 #ifndef BAD_NONL
 212         nonl();
 213 #endif
 214 }
 215
 216 void
 217 stop_window()
 218 {
 219         endwin();
 220 }
 221
 222 void
 223 byebye(dummy)
 224         int dummy __attribute__((__unused__));
 225 {
 226         md_ignore_signals();
 227         if (ask_quit) {
 228                 quit(1);
 229         } else {
 230                 clean_up(byebye_string);
 231         }
 232         md_heed_signals();
 233 }
 234
 235 void
 236 onintr(dummy)
 237         int dummy __attribute__((__unused__));
 238 {
 239         md_ignore_signals();
 240         if (cant_int) {
 241                 did_int = 1;
 242         } else {
 243                 check_message();
 244                 message("interrupt", 1);
 245         }
 246         md_heed_signals();
 247 }
 248
 249 void
 250 error_save(dummy)
 251         int dummy __attribute__((__unused__));
 252 {
 253         save_is_interactive = 0;
 254         save_into_file(error_file);
 255         clean_up("");
 256 }
 257
 258 void
 259 do_args(argc, argv)
 260         int argc;
 261         char *argv[];
 262 {
 263         short i, j;
 264
 265         for (i = 1; i < argc; i++) {
 266                 if (argv[i][0] == '-') {
 267                         for (j = 1; argv[i][j]; j++) {
 268                                 switch(argv[i][j]) {
 269                                 case 's':
 270                                         score_only = 1;
 271                                         break;
 272                                 }
 273                         }
 274                 } else {
 275                         rest_file = argv[i];
 276                 }
 277         }
 278 }
 279
 280 void
 281 do_opts()
 282 {
 283         char *eptr;
 284
 285         if ((eptr = md_getenv("ROGUEOPTS")) != NULL) {
 286                 for (;;) {
 287                         while ((*eptr) == ' ') {
 288                                 eptr++;
 289                         }
 290                         if (!(*eptr)) {
 291                                 break;
 292                         }
 293                         if (!strncmp(eptr, "fruit=", 6)) {
 294                                 eptr += 6;
 295                                 env_get_value(&fruit, eptr, 1);
 296                         } else if (!strncmp(eptr, "file=", 5)) {
 297                                 eptr += 5;
 298                                 env_get_value(&save_file, eptr, 0);
 299                         } else if (!strncmp(eptr, "jump", 4)) {
 300                                 jump = 1;
 301                         } else if (!strncmp(eptr, "name=", 5)) {
 302                                 eptr += 5;
 303                                 env_get_value(&nick_name, eptr, 0);
 304                         } else if (!strncmp(eptr, "noaskquit", 9)) {
 305                                 ask_quit = 0;
 306                         } else if (!strncmp(eptr, "noskull", 5) ||
 307                                         !strncmp(eptr,"notomb", 6)) {
 308                                 no_skull = 1;
 309                         } else if (!strncmp(eptr, "passgo", 5)) {
 310                                 passgo = 1;
 311                         }
 312                         while ((*eptr) && (*eptr != ',')) {
 313                                 eptr++;
 314                         }
 315                         if (!(*(eptr++))) {
 316                                 break;
 317                         }
 318                 }
 319         }
 320         /* If some strings have not been set through ROGUEOPTS, assign defaults
 321          * to them so that the options editor has data to work with.
 322          */
 323         init_str(&nick_name, login_name);
 324         init_str(&save_file, "rogue.save");
 325         init_str(&fruit, "slime-mold");
 326 }
 327
 328 void
 329 env_get_value(s, e, add_blank)
 330         char **s, *e;
 331         boolean add_blank;
 332 {
 333         short i = 0;
 334         const char *t;
 335
 336         t = e;
 337
 338         while ((*e) && (*e != ',')) {
 339                 if (*e == ':') {
 340                         *e = ';';               /* ':' reserved for score file purposes */
 341                 }
 342                 e++;
 343                 if (++i >= MAX_OPT_LEN) {
 344                         break;
 345                 }
 346         }
 347         *s = md_malloc(MAX_OPT_LEN + 2);
 348         if (*s == NULL)
 349                 clean_up("out of memory");
 350         (void) strncpy(*s, t, i);
 351         if (add_blank) {
 352                 (*s)[i++] = ' ';
 353         }
 354         (*s)[i] = '\0';
 355 }
 356
 357 void
 358 init_str(str, dflt)
 359         char **str;
 360         const char *dflt;
 361 {
 362         if (!(*str)) {
 363                 *str = md_malloc(MAX_OPT_LEN + 2);
 364                 if (*str == NULL)
 365                         clean_up("out of memory");
 366                 (void) strcpy(*str, dflt);
 367         }
 368 }