hack.save.c revision 1.11
1 /* $NetBSD: hack.save.c,v 1.11 2009/06/07 18:30:39 dholland 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 1.11 2009/06/07 18:30:39 dholland 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(void) 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(int n __unused) 90 { 91 (void) dosave0(1); 92 exit(1); 93 } 94 #endif /* NOSAVEONHANGUP */ 95 96 /* returns 1 if save successful */ 97 int 98 dosave0(int hu) 99 { 100 int fd, ofd; 101 int tmp; /* not ! */ 102 103 (void) signal(SIGHUP, SIG_IGN); 104 (void) signal(SIGINT, SIG_IGN); 105 if ((fd = creat(SAVEF, FMASK)) < 0) { 106 if (!hu) 107 pline("Cannot open save file. (Continue or Quit)"); 108 (void) unlink(SAVEF); /* ab@unido */ 109 return (0); 110 } 111 if (flags.moonphase == FULL_MOON) /* ut-sally!fletcher */ 112 u.uluck--; /* and unido!ab */ 113 savelev(fd, dlevel); 114 saveobjchn(fd, invent); 115 saveobjchn(fd, fcobj); 116 savemonchn(fd, fallen_down); 117 tmp = getuid(); 118 bwrite(fd, (char *) &tmp, sizeof tmp); 119 bwrite(fd, (char *) &flags, sizeof(struct flag)); 120 bwrite(fd, (char *) &dlevel, sizeof dlevel); 121 bwrite(fd, (char *) &maxdlevel, sizeof maxdlevel); 122 bwrite(fd, (char *) &moves, sizeof moves); 123 bwrite(fd, (char *) &u, sizeof(struct you)); 124 if (u.ustuck) 125 bwrite(fd, (char *) &(u.ustuck->m_id), sizeof u.ustuck->m_id); 126 bwrite(fd, (char *) pl_character, sizeof pl_character); 127 bwrite(fd, (char *) genocided, sizeof genocided); 128 bwrite(fd, (char *) fut_geno, sizeof fut_geno); 129 savenames(fd); 130 for (tmp = 1; tmp <= maxdlevel; tmp++) { 131 132 if (tmp == dlevel || !level_exists[tmp]) 133 continue; 134 glo(tmp); 135 if ((ofd = open(lock, O_RDONLY)) < 0) { 136 if (!hu) 137 pline("Error while saving: cannot read %s.", lock); 138 (void) close(fd); 139 (void) unlink(SAVEF); 140 if (!hu) 141 done("tricked"); 142 return (0); 143 } 144 getlev(ofd, hackpid, tmp); 145 (void) close(ofd); 146 bwrite(fd, (char *) &tmp, sizeof tmp); /* level number */ 147 savelev(fd, tmp); /* actual level */ 148 (void) unlink(lock); 149 } 150 (void) close(fd); 151 glo(dlevel); 152 (void) unlink(lock); /* get rid of current level --jgm */ 153 glo(0); 154 (void) unlink(lock); 155 return (1); 156 } 157 158 int 159 dorecover(int fd) 160 { 161 int nfd; 162 int tmp; /* not a ! */ 163 unsigned mid; /* idem */ 164 struct obj *otmp; 165 166 restoring = TRUE; 167 getlev(fd, 0, 0); 168 invent = restobjchn(fd); 169 for (otmp = invent; otmp; otmp = otmp->nobj) 170 if (otmp->owornmask) 171 setworn(otmp, otmp->owornmask); 172 fcobj = restobjchn(fd); 173 fallen_down = restmonchn(fd); 174 mread(fd, (char *) &tmp, sizeof tmp); 175 if (tmp != (int) getuid()) { /* strange ... */ 176 (void) close(fd); 177 (void) unlink(SAVEF); 178 puts("Saved game was not yours."); 179 restoring = FALSE; 180 return (0); 181 } 182 mread(fd, (char *) &flags, sizeof(struct flag)); 183 mread(fd, (char *) &dlevel, sizeof dlevel); 184 mread(fd, (char *) &maxdlevel, sizeof maxdlevel); 185 mread(fd, (char *) &moves, sizeof moves); 186 mread(fd, (char *) &u, sizeof(struct you)); 187 if (u.ustuck) 188 mread(fd, (char *) &mid, sizeof mid); 189 mread(fd, (char *) pl_character, sizeof pl_character); 190 mread(fd, (char *) genocided, sizeof genocided); 191 mread(fd, (char *) fut_geno, sizeof fut_geno); 192 restnames(fd); 193 while (1) { 194 if (read(fd, (char *) &tmp, sizeof tmp) != sizeof tmp) 195 break; 196 getlev(fd, 0, tmp); 197 glo(tmp); 198 if ((nfd = creat(lock, FMASK)) < 0) 199 panic("Cannot open temp file %s!\n", lock); 200 savelev(nfd, tmp); 201 (void) close(nfd); 202 } 203 (void) lseek(fd, (off_t) 0, SEEK_SET); 204 getlev(fd, 0, 0); 205 (void) close(fd); 206 (void) unlink(SAVEF); 207 if (Punished) { 208 for (otmp = fobj; otmp; otmp = otmp->nobj) 209 if (otmp->olet == CHAIN_SYM) 210 goto chainfnd; 211 panic("Cannot find the iron chain?"); 212 chainfnd: 213 uchain = otmp; 214 if (!uball) { 215 for (otmp = fobj; otmp; otmp = otmp->nobj) 216 if (otmp->olet == BALL_SYM && otmp->spe) 217 goto ballfnd; 218 panic("Cannot find the iron ball?"); 219 ballfnd: 220 uball = otmp; 221 } 222 } 223 if (u.ustuck) { 224 struct monst *mtmp; 225 226 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) 227 if (mtmp->m_id == mid) 228 goto monfnd; 229 panic("Cannot find the monster ustuck."); 230 monfnd: 231 u.ustuck = mtmp; 232 } 233 #ifndef QUEST 234 setsee(); /* only to recompute seelx etc. - these 235 * weren't saved */ 236 #endif /* QUEST */ 237 docrt(); 238 restoring = FALSE; 239 return (1); 240 } 241 242 struct obj * 243 restobjchn(int fd) 244 { 245 struct obj *otmp, *otmp2 = NULL; 246 struct obj *first = 0; 247 int xl; 248 while (1) { 249 mread(fd, (char *) &xl, sizeof(xl)); 250 if (xl == -1) 251 break; 252 otmp = newobj(xl); 253 if (!first) 254 first = otmp; 255 else 256 otmp2->nobj = otmp; 257 mread(fd, (char *) otmp, (unsigned) xl + sizeof(struct obj)); 258 if (!otmp->o_id) 259 otmp->o_id = flags.ident++; 260 otmp2 = otmp; 261 } 262 if (first && otmp2->nobj) { 263 impossible("Restobjchn: error reading objchn."); 264 otmp2->nobj = 0; 265 } 266 return (first); 267 } 268 269 struct monst * 270 restmonchn(int fd) 271 { 272 struct monst *mtmp, *mtmp2 = NULL; 273 struct monst *first = 0; 274 int xl; 275 276 struct permonst *monbegin; 277 long differ; 278 279 mread(fd, (char *) &monbegin, sizeof(monbegin)); 280 differ = (const char *) (&mons[0]) - (const char *) (monbegin); 281 282 #ifdef lint 283 /* suppress "used before set" warning from lint */ 284 mtmp2 = 0; 285 #endif /* lint */ 286 while (1) { 287 mread(fd, (char *) &xl, sizeof(xl)); 288 if (xl == -1) 289 break; 290 mtmp = newmonst(xl); 291 if (!first) 292 first = mtmp; 293 else 294 mtmp2->nmon = mtmp; 295 mread(fd, (char *) mtmp, (unsigned) xl + sizeof(struct monst)); 296 if (!mtmp->m_id) 297 mtmp->m_id = flags.ident++; 298 mtmp->data = (const struct permonst *) 299 ((const char *) mtmp->data + differ); 300 if (mtmp->minvent) 301 mtmp->minvent = restobjchn(fd); 302 mtmp2 = mtmp; 303 } 304 if (first && mtmp2->nmon) { 305 impossible("Restmonchn: error reading monchn."); 306 mtmp2->nmon = 0; 307 } 308 return (first); 309 } 310
Indexes created Thu Sep 25 02:09:54 GMT 2025