rogue/init.c

   1 /*      $NetBSD: init.c,v 1.16 2008/01/14 00:23:51 dholland 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. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <sys/cdefs.h>
  36 #ifndef lint
  37 #if 0
  38 static char sccsid[] = "@(#)init.c      8.1 (Berkeley) 5/31/93";
  39 #else
  40 __RCSID("$NetBSD: init.c,v 1.16 2008/01/14 00:23:51 dholland Exp $");
  41 #endif
  42 #endif /* not lint */
  43
  44 /*
  45  * init.c
  46  *
  47  * This source herein may be modified and/or distributed by anybody who
  48  * so desires, with the following restrictions:
  49  *    1.)  No portion of this notice shall be removed.
  50  *    2.)  Credit shall not be taken for the creation of this source.
  51  *    3.)  This code is not to be traded, sold, or used for personal
  52  *         gain or profit.
  53  *
  54  */
  55
  56 #include <stdlib.h>
  57 #include <fcntl.h>
  58
  59 #include "rogue.h"
  60
  61 char login_name[MAX_OPT_LEN];
  62 char *nick_name = (char *)0;
  63 char *rest_file = 0;
  64 boolean cant_int = 0;
  65 boolean did_int = 0;
  66 boolean score_only;
  67 boolean init_curses = 0;
  68 boolean save_is_interactive = 1;
  69 boolean ask_quit = 1;
  70 boolean no_skull = 0;
  71 boolean passgo = 0;
  72 const char *error_file = "rogue.esave";
  73 const char *byebye_string = "Okay, bye bye!";
  74 gid_t gid, egid;
  75
  76 int
  77 init(argc, argv)
  78         int argc;
  79         char *argv[];
  80 {
  81         const char *pn;
  82         int seed;
  83         int fd;
  84
  85         gid = getgid();
  86         egid = getegid();
  87         setegid(gid);
  88         /* Check for dirty tricks with closed fds 0, 1, 2 */
  89         fd = open("/dev/null", O_RDONLY);
  90         if (fd < 3)
  91                 exit(1);
  92         close(fd);
  93
  94         seed = 0;
  95         pn = md_gln();
  96         if ((!pn) || (strlen(pn) >= MAX_OPT_LEN)) {
  97                 clean_up("Hey!  Who are you?");
  98         }
  99         /* LOGIN_NAME_SIZE == MAX_OPT_LEN now, but just in case... */
 100         (void)strlcpy(login_name, pn, sizeof(login_name));
 101
 102         do_args(argc, argv);
 103         do_opts();
 104
 105         if (!score_only && !rest_file) {
 106                 printf("Hello %s, just a moment while I dig the dungeon...",
 107                         nick_name);
 108                 fflush(stdout);
 109         }
 110
 111         initscr();
 112         if ((LINES < DROWS) || (COLS < DCOLS)) {
 113                 clean_up("must be played on 24 x 80 screen");
 114         }
 115         start_window();
 116         init_curses = 1;
 117
 118         md_heed_signals();
 119
 120         if (score_only) {
 121                 put_scores((object *)0, 0);
 122         }
 123         seed = md_gseed();
 124         (void)srrandom(seed);
 125         if (rest_file) {
 126                 restore(rest_file);
 127                 return(1);
 128         }
 129         mix_colors();
 130         get_wand_and_ring_materials();
 131         make_scroll_titles();
 132
 133         level_objects.next_object = (object *)0;
 134         level_monsters.next_monster = (object *)0;
 135         player_init();
 136         ring_stats(0);
 137         return(0);
 138 }
 139
 140 void
 141 player_init()
 142 {
 143         object *obj;
 144
 145         rogue.pack.next_object = (object *)0;
 146
 147         obj = alloc_object();
 148         get_food(obj, 1);
 149         (void)add_to_pack(obj, &rogue.pack, 1);
 150
 151         obj = alloc_object();           /* initial armor */
 152         obj->what_is = ARMOR;
 153         obj->which_kind = RINGMAIL;
 154         obj->class = RINGMAIL+2;
 155         obj->is_protected = 0;
 156         obj->d_enchant = 1;
 157         (void)add_to_pack(obj, &rogue.pack, 1);
 158         do_wear(obj);
 159
 160         obj = alloc_object();           /* initial weapons */
 161         obj->what_is = WEAPON;
 162         obj->which_kind = MACE;
 163         obj->damage = "2d3";
 164         obj->hit_enchant = obj->d_enchant = 1;
 165         obj->identified = 1;
 166         (void)add_to_pack(obj, &rogue.pack, 1);
 167         do_wield(obj);
 168
 169         obj = alloc_object();
 170         obj->what_is = WEAPON;
 171         obj->which_kind = BOW;
 172         obj->damage = "1d2";
 173         obj->hit_enchant = 1;
 174         obj->d_enchant = 0;
 175         obj->identified = 1;
 176         (void)add_to_pack(obj, &rogue.pack, 1);
 177
 178         obj = alloc_object();
 179         obj->what_is = WEAPON;
 180         obj->which_kind = ARROW;
 181         obj->quantity = get_rand(25, 35);
 182         obj->damage = "1d2";
 183         obj->hit_enchant = 0;
 184         obj->d_enchant = 0;
 185         obj->identified = 1;
 186         (void)add_to_pack(obj, &rogue.pack, 1);
 187 }
 188
 189 void
 190 clean_up(estr)
 191         const char *estr;
 192 {
 193         if (save_is_interactive) {
 194                 if (init_curses) {
 195                         move(DROWS-1, 0);
 196                         refresh();
 197                         stop_window();
 198                 }
 199                 printf("\n%s\n", estr);
 200         }
 201         md_exit(0);
 202 }
 203
 204 void
 205 start_window()
 206 {
 207         cbreak();
 208         noecho();
 209 #ifndef BAD_NONL
 210         nonl();
 211 #endif
 212 }
 213
 214 void
 215 stop_window()
 216 {
 217         endwin();
 218 }
 219
 220 void
 221 byebye(dummy)
 222         int dummy __unused;
 223 {
 224         md_ignore_signals();
 225         if (ask_quit) {
 226                 quit(1);
 227         } else {
 228                 clean_up(byebye_string);
 229         }
 230         md_heed_signals();
 231 }
 232
 233 void
 234 onintr(dummy)
 235         int dummy __unused;
 236 {
 237         md_ignore_signals();
 238         if (cant_int) {
 239                 did_int = 1;
 240         } else {
 241                 check_message();
 242                 messagef(1, "interrupt");
 243         }
 244         md_heed_signals();
 245 }
 246
 247 void
 248 error_save(dummy)
 249         int dummy __unused;
 250 {
 251         save_is_interactive = 0;
 252         save_into_file(error_file);
 253         clean_up("");
 254 }
 255
 256 void
 257 do_args(argc, argv)
 258         int argc;
 259         char *argv[];
 260 {
 261         short i, j;
 262
 263         for (i = 1; i < argc; i++) {
 264                 if (argv[i][0] == '-') {
 265                         for (j = 1; argv[i][j]; j++) {
 266                                 switch(argv[i][j]) {
 267                                 case 's':
 268                                         score_only = 1;
 269                                         break;
 270                                 }
 271                         }
 272                 } else {
 273                         rest_file = argv[i];
 274                 }
 275         }
 276 }
 277
 278 void
 279 do_opts()
 280 {
 281         char *eptr;
 282
 283         if ((eptr = md_getenv("ROGUEOPTS")) != NULL) {
 284                 for (;;) {
 285                         while ((*eptr) == ' ') {
 286                                 eptr++;
 287                         }
 288                         if (!(*eptr)) {
 289                                 break;
 290                         }
 291                         if (!strncmp(eptr, "fruit=", 6)) {
 292                                 eptr += 6;
 293                                 env_get_value(&fruit, eptr, 1);
 294                         } else if (!strncmp(eptr, "file=", 5)) {
 295                                 eptr += 5;
 296                                 env_get_value(&save_file, eptr, 0);
 297                         } else if (!strncmp(eptr, "jump", 4)) {
 298                                 jump = 1;
 299                         } else if (!strncmp(eptr, "name=", 5)) {
 300                                 eptr += 5;
 301                                 env_get_value(&nick_name, eptr, 0);
 302                         } else if (!strncmp(eptr, "noaskquit", 9)) {
 303                                 ask_quit = 0;
 304                         } else if (!strncmp(eptr, "noskull", 5) ||
 305                                         !strncmp(eptr,"notomb", 6)) {
 306                                 no_skull = 1;
 307                         } else if (!strncmp(eptr, "passgo", 5)) {
 308                                 passgo = 1;
 309                         }
 310                         while ((*eptr) && (*eptr != ',')) {
 311                                 eptr++;
 312                         }
 313                         if (!(*(eptr++))) {
 314                                 break;
 315                         }
 316                 }
 317         }
 318         /* If some strings have not been set through ROGUEOPTS, assign defaults
 319          * to them so that the options editor has data to work with.
 320          */
 321         init_str(&nick_name, login_name);
 322         init_str(&save_file, "rogue.save");
 323         init_str(&fruit, "slime-mold");
 324 }
 325
 326 void
 327 env_get_value(s, e, add_blank)
 328         char **s, *e;
 329         boolean add_blank;
 330 {
 331         short i = 0;
 332         const char *t;
 333
 334         t = e;
 335
 336         while ((*e) && (*e != ',')) {
 337                 if (*e == ':') {
 338                         *e = ';';               /* ':' reserved for score file purposes */
 339                 }
 340                 e++;
 341                 if (++i >= MAX_OPT_LEN) {
 342                         break;
 343                 }
 344         }
 345         /* note: edit_opts() in room.c depends on this being the right size */
 346         *s = md_malloc(MAX_OPT_LEN + 2);
 347         if (*s == NULL)
 348                 clean_up("out of memory");
 349         (void)strncpy(*s, t, i);
 350         if (add_blank) {
 351                 (*s)[i++] = ' ';
 352         }
 353         (*s)[i] = '\0';
 354 }
 355
 356 void
 357 init_str(str, dflt)
 358         char **str;
 359         const char *dflt;
 360 {
 361         if (!(*str)) {
 362                 /* note: edit_opts() in room.c depends on this size */
 363                 *str = md_malloc(MAX_OPT_LEN + 2);
 364                 if (*str == NULL)
 365                         clean_up("out of memory");
 366                 (void)strlcpy(*str, dflt, MAX_OPT_LEN + 2);
 367         }
 368 }