+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.save.c - version 1.0.3 */
+
+#include "hack.h"
+extern char genocided[60]; /* defined in Decl.c */
+extern char fut_geno[60]; /* idem */
+#include <signal.h>
+
+extern char SAVEF[], nul[];
+extern char pl_character[PL_CSIZ];
+extern long lseek();
+extern struct obj *restobjchn();
+extern struct monst *restmonchn();
+
+dosave(){
+ if(dosave0(0)) {
+ settty("Be seeing you ...\n");
+ exit(0);
+ }
+#ifdef lint
+ return(0);
+#endif lint
+}
+
+#ifndef NOSAVEONHANGUP
+hangup(){
+ (void) dosave0(1);
+ exit(1);
+}
+#endif NOSAVEONHANGUP
+
+/* returns 1 if save successful */
+dosave0(hu) int hu; {
+ register fd, ofd;
+ int tmp; /* not register ! */
+
+ (void) signal(SIGHUP, SIG_IGN);
+ (void) signal(SIGINT, SIG_IGN);
+ if((fd = creat(SAVEF, FMASK)) < 0) {
+ if(!hu) pline("Cannot open save file. (Continue or Quit)");
+ (void) unlink(SAVEF); /* ab@unido */
+ return(0);
+ }
+ if(flags.moonphase == FULL_MOON) /* ut-sally!fletcher */
+ u.uluck--; /* and unido!ab */
+ savelev(fd,dlevel);
+ saveobjchn(fd, invent);
+ saveobjchn(fd, fcobj);
+ savemonchn(fd, fallen_down);
+ tmp = getuid();
+ bwrite(fd, (char *) &tmp, sizeof tmp);
+ bwrite(fd, (char *) &flags, sizeof(struct flag));
+ bwrite(fd, (char *) &dlevel, sizeof dlevel);
+ bwrite(fd, (char *) &maxdlevel, sizeof maxdlevel);
+ bwrite(fd, (char *) &moves, sizeof moves);
+ bwrite(fd, (char *) &u, sizeof(struct you));
+ if(u.ustuck)
+ bwrite(fd, (char *) &(u.ustuck->m_id), sizeof u.ustuck->m_id);
+ bwrite(fd, (char *) pl_character, sizeof pl_character);
+ bwrite(fd, (char *) genocided, sizeof genocided);
+ bwrite(fd, (char *) fut_geno, sizeof fut_geno);
+ savenames(fd);
+ for(tmp = 1; tmp <= maxdlevel; tmp++) {
+ extern int hackpid;
+ extern boolean level_exists[];
+
+ if(tmp == dlevel || !level_exists[tmp]) continue;
+ glo(tmp);
+ if((ofd = open(lock, 0)) < 0) {
+ if(!hu) pline("Error while saving: cannot read %s.", lock);
+ (void) close(fd);
+ (void) unlink(SAVEF);
+ if(!hu) done("tricked");
+ return(0);
+ }
+ getlev(ofd, hackpid, tmp);
+ (void) close(ofd);
+ bwrite(fd, (char *) &tmp, sizeof tmp); /* level number */
+ savelev(fd,tmp); /* actual level */
+ (void) unlink(lock);
+ }
+ (void) close(fd);
+ glo(dlevel);
+ (void) unlink(lock); /* get rid of current level --jgm */
+ glo(0);
+ (void) unlink(lock);
+ return(1);
+}
+
+dorecover(fd)
+register fd;
+{
+ register nfd;
+ int tmp; /* not a register ! */
+ unsigned mid; /* idem */
+ struct obj *otmp;
+ extern boolean restoring;
+
+ restoring = TRUE;
+ getlev(fd, 0, 0);
+ invent = restobjchn(fd);
+ for(otmp = invent; otmp; otmp = otmp->nobj)
+ if(otmp->owornmask)
+ setworn(otmp, otmp->owornmask);
+ fcobj = restobjchn(fd);
+ fallen_down = restmonchn(fd);
+ mread(fd, (char *) &tmp, sizeof tmp);
+ if(tmp != getuid()) { /* strange ... */
+ (void) close(fd);
+ (void) unlink(SAVEF);
+ puts("Saved game was not yours.");
+ restoring = FALSE;
+ return(0);
+ }
+ mread(fd, (char *) &flags, sizeof(struct flag));
+ mread(fd, (char *) &dlevel, sizeof dlevel);
+ mread(fd, (char *) &maxdlevel, sizeof maxdlevel);
+ mread(fd, (char *) &moves, sizeof moves);
+ mread(fd, (char *) &u, sizeof(struct you));
+ if(u.ustuck)
+ mread(fd, (char *) &mid, sizeof mid);
+ mread(fd, (char *) pl_character, sizeof pl_character);
+ mread(fd, (char *) genocided, sizeof genocided);
+ mread(fd, (char *) fut_geno, sizeof fut_geno);
+ restnames(fd);
+ while(1) {
+ if(read(fd, (char *) &tmp, sizeof tmp) != sizeof tmp)
+ break;
+ getlev(fd, 0, tmp);
+ glo(tmp);
+ if((nfd = creat(lock, FMASK)) < 0)
+ panic("Cannot open temp file %s!\n", lock);
+ savelev(nfd,tmp);
+ (void) close(nfd);
+ }
+ (void) lseek(fd, 0L, 0);
+ getlev(fd, 0, 0);
+ (void) close(fd);
+ (void) unlink(SAVEF);
+ if(Punished) {
+ for(otmp = fobj; otmp; otmp = otmp->nobj)
+ if(otmp->olet == CHAIN_SYM) goto chainfnd;
+ panic("Cannot find the iron chain?");
+ chainfnd:
+ uchain = otmp;
+ if(!uball){
+ for(otmp = fobj; otmp; otmp = otmp->nobj)
+ if(otmp->olet == BALL_SYM && otmp->spe)
+ goto ballfnd;
+ panic("Cannot find the iron ball?");
+ ballfnd:
+ uball = otmp;
+ }
+ }
+ if(u.ustuck) {
+ register struct monst *mtmp;
+
+ for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
+ if(mtmp->m_id == mid) goto monfnd;
+ panic("Cannot find the monster ustuck.");
+ monfnd:
+ u.ustuck = mtmp;
+ }
+#ifndef QUEST
+ setsee(); /* only to recompute seelx etc. - these weren't saved */
+#endif QUEST
+ docrt();
+ restoring = FALSE;
+ return(1);
+}
+
+struct obj *
+restobjchn(fd)
+register fd;
+{
+ register struct obj *otmp, *otmp2;
+ register struct obj *first = 0;
+ int xl;
+#ifdef lint
+ /* suppress "used before set" warning from lint */
+ otmp2 = 0;
+#endif lint
+ while(1) {
+ mread(fd, (char *) &xl, sizeof(xl));
+ if(xl == -1) break;
+ otmp = newobj(xl);
+ if(!first) first = otmp;
+ else otmp2->nobj = otmp;
+ mread(fd, (char *) otmp, (unsigned) xl + sizeof(struct obj));
+ if(!otmp->o_id) otmp->o_id = flags.ident++;
+ otmp2 = otmp;
+ }
+ if(first && otmp2->nobj){
+ impossible("Restobjchn: error reading objchn.");
+ otmp2->nobj = 0;
+ }
+ return(first);
+}
+
+struct monst *
+restmonchn(fd)
+register fd;
+{
+ register struct monst *mtmp, *mtmp2;
+ register struct monst *first = 0;
+ int xl;
+
+ struct permonst *monbegin;
+ long differ;
+
+ mread(fd, (char *)&monbegin, sizeof(monbegin));
+ differ = (char *)(&mons[0]) - (char *)(monbegin);
+
+#ifdef lint
+ /* suppress "used before set" warning from lint */
+ mtmp2 = 0;
+#endif lint
+ while(1) {
+ mread(fd, (char *) &xl, sizeof(xl));
+ if(xl == -1) break;
+ mtmp = newmonst(xl);
+ if(!first) first = mtmp;
+ else mtmp2->nmon = mtmp;
+ mread(fd, (char *) mtmp, (unsigned) xl + sizeof(struct monst));
+ if(!mtmp->m_id)
+ mtmp->m_id = flags.ident++;
+ mtmp->data = (struct permonst *)
+ ((char *) mtmp->data + differ);
+ if(mtmp->minvent)
+ mtmp->minvent = restobjchn(fd);
+ mtmp2 = mtmp;
+ }
+ if(first && mtmp2->nmon){
+ impossible("Restmonchn: error reading monchn.");
+ mtmp2->nmon = 0;
+ }
+ return(first);
+}
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