Init

games/hack/hack.save.c

@@ -0,0 +1,231 @@
+#ifndef lint
+static	char sccsid[] = "@(#)hack.save.c 1.1 94/10/31 SMI";
+#endif
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.save.c - version 1.0.2 */
+
+#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)");
+		return(0);
+	}
+	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);
+	{ register char *lp = index(lock, '.');
+	  if(lp) *lp = 0;
+	  (void) unlink(lock);
+	}
+	return(1);
+}
+
+dorecover(fd)
+register fd;
+{
+	register nfd;
+	int tmp;		/* not a register ! */
+	unsigned mid;		/* idem */
+	struct obj *otmp;
+
+	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.");
+		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();
+	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));
+		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));
+		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);
+}