1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.lev.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.lev.c,v 1.4 1999/11/16 10:26:36 marcel Exp $ */
6 extern struct obj *billobjs;
11 extern struct wseg *wsegs[32], *wheads[32];
12 extern long wgrowtime[32];
15 boolean level_exists[MAXLEVEL+1];
17 static void savegoldchn(int, struct gold *);
18 static void savetrapchn(int, struct trap *);
21 savelev(int fd, xchar lev)
24 struct wseg *wtmp, *wtmp2;
29 panic("Save on bad file!"); /* impossible */
30 if (lev >= 0 && lev <= MAXLEVEL)
31 level_exists[lev] = TRUE;
33 bwrite(fd, (char *)&hackpid, sizeof(hackpid));
34 bwrite(fd, (char *)&lev, sizeof(lev));
35 bwrite(fd, (char *)levl, sizeof(levl));
36 bwrite(fd, (char *)&moves, sizeof(long));
37 bwrite(fd, (char *)&xupstair, sizeof(xupstair));
38 bwrite(fd, (char *)&yupstair, sizeof(yupstair));
39 bwrite(fd, (char *)&xdnstair, sizeof(xdnstair));
40 bwrite(fd, (char *)&ydnstair, sizeof(ydnstair));
42 savegoldchn(fd, fgold);
43 savetrapchn(fd, ftrap);
45 saveobjchn(fd, billobjs);
49 bwrite(fd, (char *)rooms, sizeof(rooms));
50 bwrite(fd, (char *)doors, sizeof(doors));
57 bwrite(fd, (char *)wsegs, sizeof(wsegs));
58 for (tmp = 1; tmp < 32; tmp++) {
59 for (wtmp = wsegs[tmp]; wtmp; wtmp = wtmp2) {
61 bwrite(fd, (char *)wtmp, sizeof(struct wseg));
65 bwrite(fd, (char *)wgrowtime, sizeof(wgrowtime));
70 bwrite(int fd, char *loc, unsigned int num)
72 /* lint wants the 3rd arg of write to be an int; lint -p an unsigned */
73 if (write(fd, loc, (int)num) != (int)num)
74 panic("cannot write %u bytes to file #%d", num, fd);
78 saveobjchn(int fd, struct obj *otmp)
87 bwrite(fd, (char *)&xl, sizeof(int));
88 bwrite(fd, (char *)otmp, xl + sizeof(struct obj));
92 bwrite(fd, (char *)&minusone, sizeof(int));
96 savemonchn(int fd, struct monst *mtmp)
101 struct permonst *monbegin = &mons[0];
103 bwrite(fd, (char *)&monbegin, sizeof(monbegin));
107 xl = mtmp->mxlth + mtmp->mnamelth;
108 bwrite(fd, (char *)&xl, sizeof(int));
109 bwrite(fd, (char *)mtmp, xl + sizeof(struct monst));
111 saveobjchn(fd, mtmp->minvent);
115 bwrite(fd, (char *)&minusone, sizeof(int));
119 savegoldchn(int fd, struct gold *gold)
125 bwrite(fd, (char *)gold, sizeof(struct gold));
129 bwrite(fd, nul, sizeof(struct gold));
133 savetrapchn(int fd, struct trap *trap)
139 bwrite(fd, (char *)trap, sizeof(struct trap));
143 bwrite(fd, nul, sizeof(struct trap));
147 getlev(int fd, int pid, xchar lev)
159 /* First some sanity checks */
160 mread(fd, (char *)&hpid, sizeof(hpid));
161 mread(fd, (char *)&dlvl, sizeof(dlvl));
162 if ((pid && pid != hpid) || (lev && dlvl != lev)) {
163 pline("Strange, this map is not as I remember it.");
164 pline("Somebody is trying some trickery here ...");
165 pline("This game is void ...");
171 mread(fd, (char *)levl, sizeof(levl));
172 mread(fd, (char *)&omoves, sizeof(omoves));
173 mread(fd, (char *)&xupstair, sizeof(xupstair));
174 mread(fd, (char *)&yupstair, sizeof(yupstair));
175 mread(fd, (char *)&xdnstair, sizeof(xdnstair));
176 mread(fd, (char *)&ydnstair, sizeof(ydnstair));
178 fmon = restmonchn(fd);
180 /* regenerate animals while on another level */
182 long tmoves = (moves > omoves) ? moves - omoves : 0;
183 struct monst *mtmp, *mtmp2;
185 for (mtmp = fmon; mtmp; mtmp = mtmp2) {
186 long newhp; /* tmoves may be very large */
189 if (strchr(genocided, mtmp->data->mlet)) {
194 if (mtmp->mtame && tmoves > 250) {
200 (strchr(MREGEN, mtmp->data->mlet) ? tmoves : tmoves / 20);
201 if (newhp > mtmp->mhpmax)
202 mtmp->mhp = mtmp->mhpmax;
210 mread(fd, (char *)gold, sizeof(struct gold));
215 mread(fd, (char *)gold, sizeof(struct gold));
219 mread(fd, (char *)trap, sizeof(struct trap));
224 mread(fd, (char *)trap, sizeof(struct trap));
227 fobj = restobjchn(fd);
228 billobjs = restobjchn(fd);
231 mread(fd, (char *)rooms, sizeof(rooms));
232 mread(fd, (char *)doors, sizeof(doors));
235 mread(fd, (char *)wsegs, sizeof(wsegs));
236 for (tmp = 1; tmp < 32; tmp++)
238 wheads[tmp] = wsegs[tmp] = wtmp = newseg();
240 mread(fd, (char *)wtmp, sizeof(struct wseg));
243 wheads[tmp]->nseg = wtmp = newseg();
247 mread(fd, (char *)wgrowtime, sizeof(wgrowtime));
252 mread(int fd, char *buf, unsigned int len)
256 rlen = read(fd, buf, (int)len);
257 if (rlen != (int)len) {
258 pline("Read %d instead of %u bytes.\n", rlen, len);
261 error("Error restoring old game.");
263 panic("Error reading level file.");