287 lines
6.1 KiB
C
287 lines
6.1 KiB
C
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
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/* hack.lev.c - version 1.0.3 */
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/* $FreeBSD$ */
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#include "hack.h"
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#include "def.mkroom.h"
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#include <stdio.h>
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extern struct monst *restmonchn();
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extern struct obj *restobjchn();
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extern struct obj *billobjs;
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extern char *itoa();
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extern char SAVEF[];
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extern int hackpid;
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extern xchar dlevel;
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extern char nul[];
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#ifndef NOWORM
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#include "def.wseg.h"
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extern struct wseg *wsegs[32], *wheads[32];
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extern long wgrowtime[32];
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#endif /* NOWORM */
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boolean level_exists[MAXLEVEL+1];
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savelev(fd,lev)
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int fd;
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xchar lev;
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{
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#ifndef NOWORM
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struct wseg *wtmp, *wtmp2;
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int tmp;
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#endif /* NOWORM */
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if(fd < 0) panic("Save on bad file!"); /* impossible */
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if(lev >= 0 && lev <= MAXLEVEL)
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level_exists[lev] = TRUE;
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bwrite(fd,(char *) &hackpid,sizeof(hackpid));
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bwrite(fd,(char *) &lev,sizeof(lev));
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bwrite(fd,(char *) levl,sizeof(levl));
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bwrite(fd,(char *) &moves,sizeof(long));
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bwrite(fd,(char *) &xupstair,sizeof(xupstair));
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bwrite(fd,(char *) &yupstair,sizeof(yupstair));
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bwrite(fd,(char *) &xdnstair,sizeof(xdnstair));
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bwrite(fd,(char *) &ydnstair,sizeof(ydnstair));
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savemonchn(fd, fmon);
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savegoldchn(fd, fgold);
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savetrapchn(fd, ftrap);
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saveobjchn(fd, fobj);
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saveobjchn(fd, billobjs);
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billobjs = 0;
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save_engravings(fd);
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#ifndef QUEST
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bwrite(fd,(char *) rooms,sizeof(rooms));
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bwrite(fd,(char *) doors,sizeof(doors));
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#endif /* QUEST */
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fgold = 0;
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ftrap = 0;
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fmon = 0;
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fobj = 0;
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#ifndef NOWORM
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bwrite(fd,(char *) wsegs,sizeof(wsegs));
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for(tmp=1; tmp<32; tmp++){
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for(wtmp = wsegs[tmp]; wtmp; wtmp = wtmp2){
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wtmp2 = wtmp->nseg;
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bwrite(fd,(char *) wtmp,sizeof(struct wseg));
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}
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wsegs[tmp] = 0;
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}
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bwrite(fd,(char *) wgrowtime,sizeof(wgrowtime));
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#endif /* NOWORM */
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}
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bwrite(fd,loc,num)
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int fd;
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char *loc;
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unsigned num;
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{
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/* lint wants the 3rd arg of write to be an int; lint -p an unsigned */
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if(write(fd, loc, (int) num) != num)
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panic("cannot write %u bytes to file #%d", num, fd);
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}
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saveobjchn(fd,otmp)
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int fd;
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struct obj *otmp;
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{
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struct obj *otmp2;
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unsigned xl;
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int minusone = -1;
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while(otmp) {
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otmp2 = otmp->nobj;
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xl = otmp->onamelth;
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bwrite(fd, (char *) &xl, sizeof(int));
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bwrite(fd, (char *) otmp, xl + sizeof(struct obj));
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free((char *) otmp);
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otmp = otmp2;
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}
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bwrite(fd, (char *) &minusone, sizeof(int));
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}
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savemonchn(fd,mtmp)
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int fd;
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struct monst *mtmp;
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{
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struct monst *mtmp2;
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unsigned xl;
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int minusone = -1;
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struct permonst *monbegin = &mons[0];
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bwrite(fd, (char *) &monbegin, sizeof(monbegin));
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while(mtmp) {
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mtmp2 = mtmp->nmon;
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xl = mtmp->mxlth + mtmp->mnamelth;
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bwrite(fd, (char *) &xl, sizeof(int));
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bwrite(fd, (char *) mtmp, xl + sizeof(struct monst));
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if(mtmp->minvent) saveobjchn(fd,mtmp->minvent);
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free((char *) mtmp);
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mtmp = mtmp2;
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}
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bwrite(fd, (char *) &minusone, sizeof(int));
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}
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savegoldchn(fd,gold)
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int fd;
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struct gold *gold;
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{
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struct gold *gold2;
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while(gold) {
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gold2 = gold->ngold;
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bwrite(fd, (char *) gold, sizeof(struct gold));
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free((char *) gold);
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gold = gold2;
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}
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bwrite(fd, nul, sizeof(struct gold));
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}
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savetrapchn(fd,trap)
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int fd;
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struct trap *trap;
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{
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struct trap *trap2;
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while(trap) {
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trap2 = trap->ntrap;
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bwrite(fd, (char *) trap, sizeof(struct trap));
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free((char *) trap);
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trap = trap2;
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}
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bwrite(fd, nul, sizeof(struct trap));
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}
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getlev(fd,pid,lev)
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int fd,pid;
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xchar lev;
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{
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struct gold *gold;
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struct trap *trap;
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#ifndef NOWORM
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struct wseg *wtmp;
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#endif /* NOWORM */
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int tmp;
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long omoves;
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int hpid;
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xchar dlvl;
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/* First some sanity checks */
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mread(fd, (char *) &hpid, sizeof(hpid));
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mread(fd, (char *) &dlvl, sizeof(dlvl));
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if((pid && pid != hpid) || (lev && dlvl != lev)) {
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pline("Strange, this map is not as I remember it.");
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pline("Somebody is trying some trickery here ...");
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pline("This game is void ...");
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done("tricked");
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}
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fgold = 0;
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ftrap = 0;
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mread(fd, (char *) levl, sizeof(levl));
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mread(fd, (char *)&omoves, sizeof(omoves));
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mread(fd, (char *)&xupstair, sizeof(xupstair));
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mread(fd, (char *)&yupstair, sizeof(yupstair));
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mread(fd, (char *)&xdnstair, sizeof(xdnstair));
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mread(fd, (char *)&ydnstair, sizeof(ydnstair));
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fmon = restmonchn(fd);
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/* regenerate animals while on another level */
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{ long tmoves = (moves > omoves) ? moves-omoves : 0;
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struct monst *mtmp, *mtmp2;
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extern char genocided[];
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for(mtmp = fmon; mtmp; mtmp = mtmp2) {
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long newhp; /* tmoves may be very large */
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mtmp2 = mtmp->nmon;
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if(index(genocided, mtmp->data->mlet)) {
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mondead(mtmp);
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continue;
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}
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if(mtmp->mtame && tmoves > 250) {
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mtmp->mtame = 0;
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mtmp->mpeaceful = 0;
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}
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newhp = mtmp->mhp +
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(index(MREGEN, mtmp->data->mlet) ? tmoves : tmoves/20);
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if(newhp > mtmp->mhpmax)
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mtmp->mhp = mtmp->mhpmax;
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else
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mtmp->mhp = newhp;
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}
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}
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setgd();
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gold = newgold();
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mread(fd, (char *)gold, sizeof(struct gold));
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while(gold->gx) {
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gold->ngold = fgold;
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fgold = gold;
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gold = newgold();
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mread(fd, (char *)gold, sizeof(struct gold));
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}
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free((char *) gold);
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trap = newtrap();
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mread(fd, (char *)trap, sizeof(struct trap));
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while(trap->tx) {
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trap->ntrap = ftrap;
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ftrap = trap;
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trap = newtrap();
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mread(fd, (char *)trap, sizeof(struct trap));
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}
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free((char *) trap);
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fobj = restobjchn(fd);
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billobjs = restobjchn(fd);
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rest_engravings(fd);
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#ifndef QUEST
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mread(fd, (char *)rooms, sizeof(rooms));
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mread(fd, (char *)doors, sizeof(doors));
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#endif /* QUEST */
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#ifndef NOWORM
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mread(fd, (char *)wsegs, sizeof(wsegs));
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for(tmp = 1; tmp < 32; tmp++) if(wsegs[tmp]){
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wheads[tmp] = wsegs[tmp] = wtmp = newseg();
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while(1) {
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mread(fd, (char *)wtmp, sizeof(struct wseg));
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if(!wtmp->nseg) break;
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wheads[tmp]->nseg = wtmp = newseg();
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wheads[tmp] = wtmp;
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}
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}
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mread(fd, (char *)wgrowtime, sizeof(wgrowtime));
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#endif /* NOWORM */
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}
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mread(fd, buf, len)
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int fd;
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char *buf;
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unsigned len;
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{
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int rlen;
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extern boolean restoring;
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rlen = read(fd, buf, (int) len);
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if(rlen != len){
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pline("Read %d instead of %u bytes.\n", rlen, len);
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if(restoring) {
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(void) unlink(SAVEF);
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error("Error restoring old game.");
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}
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panic("Error reading level file.");
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}
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}
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mklev()
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{
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extern boolean in_mklev;
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if(getbones()) return;
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in_mklev = TRUE;
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makelevel();
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in_mklev = FALSE;
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}
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