Init

games/hack/hack.lev.c

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+#ifndef lint
+static	char sccsid[] = "@(#)hack.lev.c 1.1 94/10/31 SMI";
+#endif
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.lev.c - version 1.0.2 */
+
+#include "hack.h"
+#include "def.mkroom.h"
+#include <stdio.h>
+extern struct monst *restmonchn();
+extern struct obj *restobjchn();
+extern struct obj *billobjs;
+extern char *itoa();
+extern int hackpid;
+extern xchar dlevel;
+extern char nul[];
+
+#ifndef NOWORM
+#include	"def.wseg.h"
+extern struct wseg *wsegs[32], *wheads[32];
+extern long wgrowtime[32];
+#endif NOWORM
+
+#define	MAXLEVEL	40
+boolean level_exists[MAXLEVEL];
+
+savelev(fd,lev)
+int fd;
+xchar lev;
+{
+#ifndef NOWORM
+	register struct wseg *wtmp, *wtmp2;
+	register tmp;
+#endif NOWORM
+
+	if(fd < 0) panic("Save on bad file!");	/* impossible */
+	if(lev >= 0 && lev < MAXLEVEL)
+		level_exists[lev] = TRUE;
+
+	bwrite(fd,(char *) &hackpid,sizeof(hackpid));
+	bwrite(fd,(char *) &lev,sizeof(lev));
+	bwrite(fd,(char *) levl,sizeof(levl));
+	bwrite(fd,(char *) &moves,sizeof(long));
+	bwrite(fd,(char *) &xupstair,sizeof(xupstair));
+	bwrite(fd,(char *) &yupstair,sizeof(yupstair));
+	bwrite(fd,(char *) &xdnstair,sizeof(xdnstair));
+	bwrite(fd,(char *) &ydnstair,sizeof(ydnstair));
+	savemonchn(fd, fmon);
+	savegoldchn(fd, fgold);
+	savetrapchn(fd, ftrap);
+	saveobjchn(fd, fobj);
+	saveobjchn(fd, billobjs);
+	billobjs = 0;
+	save_engravings(fd);
+#ifndef QUEST
+	bwrite(fd,(char *) rooms,sizeof(rooms));
+	bwrite(fd,(char *) doors,sizeof(doors));
+#endif QUEST
+	fgold = 0;
+	ftrap = 0;
+	fmon = 0;
+	fobj = 0;
+#ifndef NOWORM
+	bwrite(fd,(char *) wsegs,sizeof(wsegs));
+	for(tmp=1; tmp<32; tmp++){
+		for(wtmp = wsegs[tmp]; wtmp; wtmp = wtmp2){
+			wtmp2 = wtmp->nseg;
+			bwrite(fd,(char *) wtmp,sizeof(struct wseg));
+		}
+		wsegs[tmp] = 0;
+	}
+	bwrite(fd,(char *) wgrowtime,sizeof(wgrowtime));
+#endif NOWORM
+}
+
+bwrite(fd,loc,num)
+register fd;
+register char *loc;
+register unsigned num;
+{
+/* lint wants the 3rd arg of write to be an int; lint -p an unsigned */
+	if(write(fd, loc, (int) num) != num)
+		panic("cannot write %u bytes to file #%d", num, fd);
+}
+
+saveobjchn(fd,otmp)
+register fd;
+register struct obj *otmp;
+{
+	register struct obj *otmp2;
+	unsigned xl;
+	int minusone = -1;
+
+	while(otmp) {
+		otmp2 = otmp->nobj;
+		xl = otmp->onamelth;
+		bwrite(fd, (char *) &xl, sizeof(int));
+		bwrite(fd, (char *) otmp, xl + sizeof(struct obj));
+		free((char *) otmp);
+		otmp = otmp2;
+	}
+	bwrite(fd, (char *) &minusone, sizeof(int));
+}
+
+savemonchn(fd,mtmp)
+register fd;
+register struct monst *mtmp;
+{
+	register struct monst *mtmp2;
+	unsigned xl;
+	int minusone = -1;
+	struct permonst *monbegin = &mons[0];
+
+	bwrite(fd, (char *) &monbegin, sizeof(monbegin));
+
+	while(mtmp) {
+		mtmp2 = mtmp->nmon;
+		xl = mtmp->mxlth + mtmp->mnamelth;
+		bwrite(fd, (char *) &xl, sizeof(int));
+		bwrite(fd, (char *) mtmp, xl + sizeof(struct monst));
+		if(mtmp->minvent) saveobjchn(fd,mtmp->minvent);
+		free((char *) mtmp);
+		mtmp = mtmp2;
+	}
+	bwrite(fd, (char *) &minusone, sizeof(int));
+}
+
+savegoldchn(fd,gold)
+register fd;
+register struct gold *gold;
+{
+	register struct gold *gold2;
+	while(gold) {
+		gold2 = gold->ngold;
+		bwrite(fd, (char *) gold, sizeof(struct gold));
+		free((char *) gold);
+		gold = gold2;
+	}
+	bwrite(fd, nul, sizeof(struct gold));
+}
+
+savetrapchn(fd,trap)
+register fd;
+register struct trap *trap;
+{
+	register struct trap *trap2;
+	while(trap) {
+		trap2 = trap->ntrap;
+		bwrite(fd, (char *) trap, sizeof(struct trap));
+		free((char *) trap);
+		trap = trap2;
+	}
+	bwrite(fd, nul, sizeof(struct trap));
+}
+
+getlev(fd,pid,lev)
+int fd,pid;
+xchar lev;
+{
+	register struct gold *gold;
+	register struct trap *trap;
+#ifndef NOWORM
+	register struct wseg *wtmp;
+#endif NOWORM
+	register tmp;
+	long omoves;
+	int hpid;
+	xchar dlvl;
+
+	/* First some sanity checks */
+	mread(fd, (char *) &hpid, sizeof(hpid));
+	mread(fd, (char *) &dlvl, sizeof(dlvl));
+	if((pid && pid != hpid) || (lev && dlvl != lev)) {
+		pline("Strange, this map is not as I remember it.");
+		pline("Somebody is trying some trickery here ...");
+		pline("This game is void ...");
+		done("tricked");
+	}
+
+	fgold = 0;
+	ftrap = 0;
+	mread(fd, (char *) levl, sizeof(levl));
+	mread(fd, (char *)&omoves, sizeof(omoves));
+	mread(fd, (char *)&xupstair, sizeof(xupstair));
+	mread(fd, (char *)&yupstair, sizeof(yupstair));
+	mread(fd, (char *)&xdnstair, sizeof(xdnstair));
+	mread(fd, (char *)&ydnstair, sizeof(ydnstair));
+
+	fmon = restmonchn(fd);
+
+	/* regenerate animals while on another level */
+	{ long tmoves = (moves > omoves) ? moves-omoves : 0;
+	  register struct monst *mtmp, *mtmp2;
+	  extern char genocided[];
+
+	  for(mtmp = fmon; mtmp; mtmp = mtmp2) {
+		long newhp;		/* tmoves may be very large */
+
+		mtmp2 = mtmp->nmon;
+		if(index(genocided, mtmp->data->mlet)) {
+			mondead(mtmp);
+			continue;
+		}
+
+		if(mtmp->mtame && tmoves > 250) {
+			mtmp->mtame = 0;
+			mtmp->mpeaceful = 0;
+		}
+
+		newhp = mtmp->mhp +
+			(index(MREGEN, mtmp->data->mlet) ? tmoves : tmoves/20);
+		if(newhp > mtmp->mhpmax)
+			mtmp->mhp = mtmp->mhpmax;
+		else
+			mtmp->mhp = newhp;
+	  }
+	}
+
+	setgd();
+	gold = newgold();
+	mread(fd, (char *)gold, sizeof(struct gold));
+	while(gold->gx) {
+		gold->ngold = fgold;
+		fgold = gold;
+		gold = newgold();
+		mread(fd, (char *)gold, sizeof(struct gold));
+	}
+	free((char *) gold);
+	trap = newtrap();
+	mread(fd, (char *)trap, sizeof(struct trap));
+	while(trap->tx) {
+		trap->ntrap = ftrap;
+		ftrap = trap;
+		trap = newtrap();
+		mread(fd, (char *)trap, sizeof(struct trap));
+	}
+	free((char *) trap);
+	fobj = restobjchn(fd);
+	billobjs = restobjchn(fd);
+	rest_engravings(fd);
+#ifndef QUEST
+	mread(fd, (char *)rooms, sizeof(rooms));
+	mread(fd, (char *)doors, sizeof(doors));
+#endif QUEST
+#ifndef NOWORM
+	mread(fd, (char *)wsegs, sizeof(wsegs));
+	for(tmp = 1; tmp < 32; tmp++) if(wsegs[tmp]){
+		wheads[tmp] = wsegs[tmp] = wtmp = newseg();
+		while(1) {
+			mread(fd, (char *)wtmp, sizeof(struct wseg));
+			if(!wtmp->nseg) break;
+			wheads[tmp]->nseg = wtmp = newseg();
+			wheads[tmp] = wtmp;
+		}
+	}
+	mread(fd, (char *)wgrowtime, sizeof(wgrowtime));
+#endif NOWORM
+}
+
+mread(fd, buf, len)
+register fd;
+register char *buf;
+register unsigned len;
+{
+register int rlen;
+	rlen = read(fd, buf, (int) len);
+	if(rlen != len){
+		pline("Read %d instead of %u bytes\n", rlen, len);
+		panic("Cannot read %u bytes from file #%d\n", len, fd);
+	}
+}
+
+mklev()
+{
+	extern boolean in_mklev;
+
+	if(getbones()) return;
+
+	in_mklev = TRUE;
+	makelevel();
+	in_mklev = FALSE;
+}