-int saveresume(FILE *input, bool resume)
-/* Suspend and resume */
-{
- int kk;
- long i;
- if (!resume) {
- /* Suspend. Offer to save things in a file, but charging
- * some points (so can't win by using saved games to retry
- * battles or to start over after learning zzword). */
- SPK=201;
- RSPEAK(260);
- if (!YES(input,200,54,54)) return(2012);
- game.saved=game.saved+5;
- kk= -1;
- }
- else
- {
- /* Resume. Read a suspended game back from a file. */
- kk=1;
- if (game.loc != 1 || game.abbrev[1] != 1) {
- RSPEAK(268);
- if (!YES(input,200,54,54)) return(2012);
- }
- }
-
- /* Suspend vs resume cases are distinguished by the value of kk
- * (-1 for suspend, +1 for resume). */
-
- /*
- * FIXME: This is way more complicated than it needs to be in C.
- * What we ought to do is define a save-block structure that
- * includes a game state block and then use a single fread/fwrite
- * for I/O. All the SAV* functions can be scrapped.
- */
-
- DATIME(&i,&K);
- K=i+650*K;
- SAVWRD(kk,K);
- K=VRSION;
- SAVWRD(0,K);
- if (K != VRSION) {
- SETPRM(1,K/10,MOD(K,10));
- SETPRM(3,VRSION/10,MOD(VRSION,10));
- RSPEAK(269);
- return(2000);
- }
- /* Herewith are all the variables whose values can change during a game,
- * omitting a few (such as I, J) whose values between turns are
- * irrelevant and some whose values when a game is
- * suspended or resumed are guaranteed to match. If unsure whether a value
- * needs to be saved, include it. Overkill can't hurt. Pad the last savwds
- * with junk variables to bring it up to 7 values. */
- SAVWDS(game.abbnum,game.blklin,game.bonus,game.clock1,game.clock2,game.closed,game.closng);
- SAVWDS(game.detail,game.dflag,game.dkill,game.dtotal,game.foobar,game.holdng,game.iwest);
- SAVWDS(game.knfloc,game.limit,K,game.lmwarn,game.loc,game.newloc,game.numdie);
- SAVWDS(K,game.oldlc2,game.oldloc,game.oldobj,game.panic,game.saved,game.setup);
- SAVWDS(SPK,game.tally,game.thresh,game.trndex,game.trnluz,game.turns,OBJTXT[OYSTER]);
- SAVWDS(K,WD1,WD1X,WD2,game.wzdark,game.zzword,OBJSND[BIRD]);
- SAVWDS(OBJTXT[SIGN],game.clshnt,game.novice,K,K,K,K);
- SAVARR(game.abbrev,LOCSIZ);
- SAVARR(game.atloc,LOCSIZ);
- SAVARR(game.dloc,NDWARVES);
- SAVARR(game.dseen,NDWARVES);
- SAVARR(game.fixed,NOBJECTS);
- SAVARR(game.hinted,HNTSIZ);
- SAVARR(game.hintlc,HNTSIZ);
- SAVARR(game.link,NOBJECTS*2);
- SAVARR(game.odloc,NDWARVES);
- SAVARR(game.place,NOBJECTS);
- SAVARR(game.prop,NOBJECTS);
- SAVWRD(kk,K);
- if (K != 0) {
- RSPEAK(270);
- exit(0);
- }
- K=NUL;
- game.zzword=RNDVOC(3,game.zzword);
- if (kk > 0) return(8);
- RSPEAK(266);
- exit(0);
+int restore(FILE *fp) {
+ /* Read and restore game state from file, assuming
+ * sane initial state.
+ * If ADVENT_NOSAVE is defined, gripe instead. */
+#ifdef ADVENT_NOSAVE
+ rspeak(SAVERESUME_DISABLED);
+ return GO_TOP;
+#endif
+
+ IGNORE(fread(&save, sizeof(struct save_t), 1, fp));
+ fclose(fp);
+ if (memcmp(save.magic, ADVENT_MAGIC, sizeof(ADVENT_MAGIC)) != 0 ||
+ save.canary != ENDIAN_MAGIC) {
+ rspeak(BAD_SAVE);
+ } else if (save.version != SAVE_VERSION) {
+ rspeak(VERSION_SKEW, save.version / 10, MOD(save.version, 10),
+ SAVE_VERSION / 10, MOD(SAVE_VERSION, 10));
+ } else if (!is_valid(save.game)) {
+ rspeak(SAVE_TAMPERING);
+ exit(EXIT_SUCCESS);
+ } else {
+ game = save.game;
+ }
+ return GO_TOP;