1 /* 2 * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. 3 */ 4 5 #ifndef lint 6 static char rcsid[] = "$NetBSD: hack.save.c,v 1.5 1995/03/23 08:31:27 cgd Exp $"; 7 #endif /* not lint */ 8 9 #include "hack.h" 10 extern char genocided[60]; /* defined in Decl.c */ 11 extern char fut_geno[60]; /* idem */ 12 #include <signal.h> 13 #include <unistd.h> 14 15 extern char SAVEF[], nul[]; 16 extern char pl_character[PL_CSIZ]; 17 extern struct obj *restobjchn(); 18 extern struct monst *restmonchn(); 19 20 dosave(){ 21 if(dosave0(0)) { 22 settty("Be seeing you ...\n"); 23 exit(0); 24 } 25 #ifdef lint 26 return(0); 27 #endif lint 28 } 29 30 #ifndef NOSAVEONHANGUP 31 hangup(){ 32 (void) dosave0(1); 33 exit(1); 34 } 35 #endif NOSAVEONHANGUP 36 37 /* returns 1 if save successful */ 38 dosave0(hu) int hu; { 39 register fd, ofd; 40 int tmp; /* not register ! */ 41 42 (void) signal(SIGHUP, SIG_IGN); 43 (void) signal(SIGINT, SIG_IGN); 44 if((fd = creat(SAVEF, FMASK)) < 0) { 45 if(!hu) pline("Cannot open save file. (Continue or Quit)"); 46 (void) unlink(SAVEF); /* ab@unido */ 47 return(0); 48 } 49 if(flags.moonphase == FULL_MOON) /* ut-sally!fletcher */ 50 u.uluck--; /* and unido!ab */ 51 savelev(fd,dlevel); 52 saveobjchn(fd, invent); 53 saveobjchn(fd, fcobj); 54 savemonchn(fd, fallen_down); 55 tmp = getuid(); 56 bwrite(fd, (char *) &tmp, sizeof tmp); 57 bwrite(fd, (char *) &flags, sizeof(struct flag)); 58 bwrite(fd, (char *) &dlevel, sizeof dlevel); 59 bwrite(fd, (char *) &maxdlevel, sizeof maxdlevel); 60 bwrite(fd, (char *) &moves, sizeof moves); 61 bwrite(fd, (char *) &u, sizeof(struct you)); 62 if(u.ustuck) 63 bwrite(fd, (char *) &(u.ustuck->m_id), sizeof u.ustuck->m_id); 64 bwrite(fd, (char *) pl_character, sizeof pl_character); 65 bwrite(fd, (char *) genocided, sizeof genocided); 66 bwrite(fd, (char *) fut_geno, sizeof fut_geno); 67 savenames(fd); 68 for(tmp = 1; tmp <= maxdlevel; tmp++) { 69 extern int hackpid; 70 extern boolean level_exists[]; 71 72 if(tmp == dlevel || !level_exists[tmp]) continue; 73 glo(tmp); 74 if((ofd = open(lock, 0)) < 0) { 75 if(!hu) pline("Error while saving: cannot read %s.", lock); 76 (void) close(fd); 77 (void) unlink(SAVEF); 78 if(!hu) done("tricked"); 79 return(0); 80 } 81 getlev(ofd, hackpid, tmp); 82 (void) close(ofd); 83 bwrite(fd, (char *) &tmp, sizeof tmp); /* level number */ 84 savelev(fd,tmp); /* actual level */ 85 (void) unlink(lock); 86 } 87 (void) close(fd); 88 glo(dlevel); 89 (void) unlink(lock); /* get rid of current level --jgm */ 90 glo(0); 91 (void) unlink(lock); 92 return(1); 93 } 94 95 dorecover(fd) 96 register fd; 97 { 98 register nfd; 99 int tmp; /* not a register ! */ 100 unsigned mid; /* idem */ 101 struct obj *otmp; 102 extern boolean restoring; 103 104 restoring = TRUE; 105 getlev(fd, 0, 0); 106 invent = restobjchn(fd); 107 for(otmp = invent; otmp; otmp = otmp->nobj) 108 if(otmp->owornmask) 109 setworn(otmp, otmp->owornmask); 110 fcobj = restobjchn(fd); 111 fallen_down = restmonchn(fd); 112 mread(fd, (char *) &tmp, sizeof tmp); 113 if(tmp != getuid()) { /* strange ... */ 114 (void) close(fd); 115 (void) unlink(SAVEF); 116 puts("Saved game was not yours."); 117 restoring = FALSE; 118 return(0); 119 } 120 mread(fd, (char *) &flags, sizeof(struct flag)); 121 mread(fd, (char *) &dlevel, sizeof dlevel); 122 mread(fd, (char *) &maxdlevel, sizeof maxdlevel); 123 mread(fd, (char *) &moves, sizeof moves); 124 mread(fd, (char *) &u, sizeof(struct you)); 125 if(u.ustuck) 126 mread(fd, (char *) &mid, sizeof mid); 127 mread(fd, (char *) pl_character, sizeof pl_character); 128 mread(fd, (char *) genocided, sizeof genocided); 129 mread(fd, (char *) fut_geno, sizeof fut_geno); 130 restnames(fd); 131 while(1) { 132 if(read(fd, (char *) &tmp, sizeof tmp) != sizeof tmp) 133 break; 134 getlev(fd, 0, tmp); 135 glo(tmp); 136 if((nfd = creat(lock, FMASK)) < 0) 137 panic("Cannot open temp file %s!\n", lock); 138 savelev(nfd,tmp); 139 (void) close(nfd); 140 } 141 (void) lseek(fd, (off_t)0, 0); 142 getlev(fd, 0, 0); 143 (void) close(fd); 144 (void) unlink(SAVEF); 145 if(Punished) { 146 for(otmp = fobj; otmp; otmp = otmp->nobj) 147 if(otmp->olet == CHAIN_SYM) goto chainfnd; 148 panic("Cannot find the iron chain?"); 149 chainfnd: 150 uchain = otmp; 151 if(!uball){ 152 for(otmp = fobj; otmp; otmp = otmp->nobj) 153 if(otmp->olet == BALL_SYM && otmp->spe) 154 goto ballfnd; 155 panic("Cannot find the iron ball?"); 156 ballfnd: 157 uball = otmp; 158 } 159 } 160 if(u.ustuck) { 161 register struct monst *mtmp; 162 163 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) 164 if(mtmp->m_id == mid) goto monfnd; 165 panic("Cannot find the monster ustuck."); 166 monfnd: 167 u.ustuck = mtmp; 168 } 169 #ifndef QUEST 170 setsee(); /* only to recompute seelx etc. - these weren't saved */ 171 #endif QUEST 172 docrt(); 173 restoring = FALSE; 174 return(1); 175 } 176 177 struct obj * 178 restobjchn(fd) 179 register fd; 180 { 181 register struct obj *otmp, *otmp2; 182 register struct obj *first = 0; 183 int xl; 184 #ifdef lint 185 /* suppress "used before set" warning from lint */ 186 otmp2 = 0; 187 #endif lint 188 while(1) { 189 mread(fd, (char *) &xl, sizeof(xl)); 190 if(xl == -1) break; 191 otmp = newobj(xl); 192 if(!first) first = otmp; 193 else otmp2->nobj = otmp; 194 mread(fd, (char *) otmp, (unsigned) xl + sizeof(struct obj)); 195 if(!otmp->o_id) otmp->o_id = flags.ident++; 196 otmp2 = otmp; 197 } 198 if(first && otmp2->nobj){ 199 impossible("Restobjchn: error reading objchn."); 200 otmp2->nobj = 0; 201 } 202 return(first); 203 } 204 205 struct monst * 206 restmonchn(fd) 207 register fd; 208 { 209 register struct monst *mtmp, *mtmp2; 210 register struct monst *first = 0; 211 int xl; 212 213 struct permonst *monbegin; 214 long differ; 215 216 mread(fd, (char *)&monbegin, sizeof(monbegin)); 217 differ = (char *)(&mons[0]) - (char *)(monbegin); 218 219 #ifdef lint 220 /* suppress "used before set" warning from lint */ 221 mtmp2 = 0; 222 #endif lint 223 while(1) { 224 mread(fd, (char *) &xl, sizeof(xl)); 225 if(xl == -1) break; 226 mtmp = newmonst(xl); 227 if(!first) first = mtmp; 228 else mtmp2->nmon = mtmp; 229 mread(fd, (char *) mtmp, (unsigned) xl + sizeof(struct monst)); 230 if(!mtmp->m_id) 231 mtmp->m_id = flags.ident++; 232 mtmp->data = (struct permonst *) 233 ((char *) mtmp->data + differ); 234 if(mtmp->minvent) 235 mtmp->minvent = restobjchn(fd); 236 mtmp2 = mtmp; 237 } 238 if(first && mtmp2->nmon){ 239 impossible("Restmonchn: error reading monchn."); 240 mtmp2->nmon = 0; 241 } 242 return(first); 243 } 244