hack.save.c revision 1.8
1 /* $NetBSD: hack.save.c,v 1.8 2003/04/02 18:36:40 jsm Exp $ */ 2 3 /* 4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica, 5 * Amsterdam 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * - Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * - 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 * 19 * - Neither the name of the Stichting Centrum voor Wiskunde en 20 * Informatica, nor the names of its contributors may be used to endorse or 21 * promote products derived from this software without specific prior 22 * written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 /* 38 * Copyright (c) 1982 Jay Fenlason <hack (at) gnu.org> 39 * All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. The name of the author may not be used to endorse or promote products 50 * derived from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 */ 63 64 #include <sys/cdefs.h> 65 #ifndef lint 66 __RCSID("$NetBSD: hack.save.c,v 1.8 2003/04/02 18:36:40 jsm Exp $"); 67 #endif /* not lint */ 68 69 #include <signal.h> 70 #include <stdlib.h> 71 #include <unistd.h> 72 #include <fcntl.h> 73 #include "hack.h" 74 #include "extern.h" 75 76 77 int 78 dosave() 79 { 80 if (dosave0(0)) { 81 settty("Be seeing you ...\n"); 82 exit(0); 83 } 84 return (0); 85 } 86 87 #ifndef NOSAVEONHANGUP 88 void 89 hangup(n) 90 int n __attribute__((__unused__)); 91 { 92 (void) dosave0(1); 93 exit(1); 94 } 95 #endif /* NOSAVEONHANGUP */ 96 97 /* returns 1 if save successful */ 98 int 99 dosave0(hu) 100 int hu; 101 { 102 int fd, ofd; 103 int tmp; /* not ! */ 104 105 (void) signal(SIGHUP, SIG_IGN); 106 (void) signal(SIGINT, SIG_IGN); 107 if ((fd = creat(SAVEF, FMASK)) < 0) { 108 if (!hu) 109 pline("Cannot open save file. (Continue or Quit)"); 110 (void) unlink(SAVEF); /* ab@unido */ 111 return (0); 112 } 113 if (flags.moonphase == FULL_MOON) /* ut-sally!fletcher */ 114 u.uluck--; /* and unido!ab */ 115 savelev(fd, dlevel); 116 saveobjchn(fd, invent); 117 saveobjchn(fd, fcobj); 118 savemonchn(fd, fallen_down); 119 tmp = getuid(); 120 bwrite(fd, (char *) &tmp, sizeof tmp); 121 bwrite(fd, (char *) &flags, sizeof(struct flag)); 122 bwrite(fd, (char *) &dlevel, sizeof dlevel); 123 bwrite(fd, (char *) &maxdlevel, sizeof maxdlevel); 124 bwrite(fd, (char *) &moves, sizeof moves); 125 bwrite(fd, (char *) &u, sizeof(struct you)); 126 if (u.ustuck) 127 bwrite(fd, (char *) &(u.ustuck->m_id), sizeof u.ustuck->m_id); 128 bwrite(fd, (char *) pl_character, sizeof pl_character); 129 bwrite(fd, (char *) genocided, sizeof genocided); 130 bwrite(fd, (char *) fut_geno, sizeof fut_geno); 131 savenames(fd); 132 for (tmp = 1; tmp <= maxdlevel; tmp++) { 133 134 if (tmp == dlevel || !level_exists[tmp]) 135 continue; 136 glo(tmp); 137 if ((ofd = open(lock, O_RDONLY)) < 0) { 138 if (!hu) 139 pline("Error while saving: cannot read %s.", lock); 140 (void) close(fd); 141 (void) unlink(SAVEF); 142 if (!hu) 143 done("tricked"); 144 return (0); 145 } 146 getlev(ofd, hackpid, tmp); 147 (void) close(ofd); 148 bwrite(fd, (char *) &tmp, sizeof tmp); /* level number */ 149 savelev(fd, tmp); /* actual level */ 150 (void) unlink(lock); 151 } 152 (void) close(fd); 153 glo(dlevel); 154 (void) unlink(lock); /* get rid of current level --jgm */ 155 glo(0); 156 (void) unlink(lock); 157 return (1); 158 } 159 160 int 161 dorecover(fd) 162 int fd; 163 { 164 int nfd; 165 int tmp; /* not a ! */ 166 unsigned mid; /* idem */ 167 struct obj *otmp; 168 169 restoring = TRUE; 170 getlev(fd, 0, 0); 171 invent = restobjchn(fd); 172 for (otmp = invent; otmp; otmp = otmp->nobj) 173 if (otmp->owornmask) 174 setworn(otmp, otmp->owornmask); 175 fcobj = restobjchn(fd); 176 fallen_down = restmonchn(fd); 177 mread(fd, (char *) &tmp, sizeof tmp); 178 if (tmp != getuid()) { /* strange ... */ 179 (void) close(fd); 180 (void) unlink(SAVEF); 181 puts("Saved game was not yours."); 182 restoring = FALSE; 183 return (0); 184 } 185 mread(fd, (char *) &flags, sizeof(struct flag)); 186 mread(fd, (char *) &dlevel, sizeof dlevel); 187 mread(fd, (char *) &maxdlevel, sizeof maxdlevel); 188 mread(fd, (char *) &moves, sizeof moves); 189 mread(fd, (char *) &u, sizeof(struct you)); 190 if (u.ustuck) 191 mread(fd, (char *) &mid, sizeof mid); 192 mread(fd, (char *) pl_character, sizeof pl_character); 193 mread(fd, (char *) genocided, sizeof genocided); 194 mread(fd, (char *) fut_geno, sizeof fut_geno); 195 restnames(fd); 196 while (1) { 197 if (read(fd, (char *) &tmp, sizeof tmp) != sizeof tmp) 198 break; 199 getlev(fd, 0, tmp); 200 glo(tmp); 201 if ((nfd = creat(lock, FMASK)) < 0) 202 panic("Cannot open temp file %s!\n", lock); 203 savelev(nfd, tmp); 204 (void) close(nfd); 205 } 206 (void) lseek(fd, (off_t) 0, SEEK_SET); 207 getlev(fd, 0, 0); 208 (void) close(fd); 209 (void) unlink(SAVEF); 210 if (Punished) { 211 for (otmp = fobj; otmp; otmp = otmp->nobj) 212 if (otmp->olet == CHAIN_SYM) 213 goto chainfnd; 214 panic("Cannot find the iron chain?"); 215 chainfnd: 216 uchain = otmp; 217 if (!uball) { 218 for (otmp = fobj; otmp; otmp = otmp->nobj) 219 if (otmp->olet == BALL_SYM && otmp->spe) 220 goto ballfnd; 221 panic("Cannot find the iron ball?"); 222 ballfnd: 223 uball = otmp; 224 } 225 } 226 if (u.ustuck) { 227 struct monst *mtmp; 228 229 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) 230 if (mtmp->m_id == mid) 231 goto monfnd; 232 panic("Cannot find the monster ustuck."); 233 monfnd: 234 u.ustuck = mtmp; 235 } 236 #ifndef QUEST 237 setsee(); /* only to recompute seelx etc. - these 238 * weren't saved */ 239 #endif /* QUEST */ 240 docrt(); 241 restoring = FALSE; 242 return (1); 243 } 244 245 struct obj * 246 restobjchn(fd) 247 int fd; 248 { 249 struct obj *otmp, *otmp2 = NULL; 250 struct obj *first = 0; 251 int xl; 252 while (1) { 253 mread(fd, (char *) &xl, sizeof(xl)); 254 if (xl == -1) 255 break; 256 otmp = newobj(xl); 257 if (!first) 258 first = otmp; 259 else 260 otmp2->nobj = otmp; 261 mread(fd, (char *) otmp, (unsigned) xl + sizeof(struct obj)); 262 if (!otmp->o_id) 263 otmp->o_id = flags.ident++; 264 otmp2 = otmp; 265 } 266 if (first && otmp2->nobj) { 267 impossible("Restobjchn: error reading objchn."); 268 otmp2->nobj = 0; 269 } 270 return (first); 271 } 272 273 struct monst * 274 restmonchn(fd) 275 int fd; 276 { 277 struct monst *mtmp, *mtmp2 = NULL; 278 struct monst *first = 0; 279 int xl; 280 281 struct permonst *monbegin; 282 long differ; 283 284 mread(fd, (char *) &monbegin, sizeof(monbegin)); 285 differ = (const char *) (&mons[0]) - (const char *) (monbegin); 286 287 #ifdef lint 288 /* suppress "used before set" warning from lint */ 289 mtmp2 = 0; 290 #endif /* lint */ 291 while (1) { 292 mread(fd, (char *) &xl, sizeof(xl)); 293 if (xl == -1) 294 break; 295 mtmp = newmonst(xl); 296 if (!first) 297 first = mtmp; 298 else 299 mtmp2->nmon = mtmp; 300 mread(fd, (char *) mtmp, (unsigned) xl + sizeof(struct monst)); 301 if (!mtmp->m_id) 302 mtmp->m_id = flags.ident++; 303 mtmp->data = (const struct permonst *) 304 ((const char *) mtmp->data + differ); 305 if (mtmp->minvent) 306 mtmp->minvent = restobjchn(fd); 307 mtmp2 = mtmp; 308 } 309 if (first && mtmp2->nmon) { 310 impossible("Restmonchn: error reading monchn."); 311 mtmp2->nmon = 0; 312 } 313 return (first); 314 } 315
Indexes created Tue Sep 23 02:09:52 GMT 2025