96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "advent.h"
|
|
#include "database.h"
|
|
#include "linenoise/linenoise.h"
|
|
|
|
/*
|
|
* (ESR) This replaces a bunch of particularly nasty FORTRAN-derived code;
|
|
* see the history.adoc file in the source distribution for discussion.
|
|
*/
|
|
|
|
#define VRSION 26 /* bump on save format change */
|
|
|
|
/*
|
|
* If you change the first three members, the resume function may not properly
|
|
* reject saves from older versions. Yes, this glues us to a hardware-
|
|
* dependent length of long. Later members can change, but bump the version
|
|
* when you do that.
|
|
*/
|
|
struct save_t {
|
|
long savetime;
|
|
long mode; /* not used, must be present for version detection */
|
|
long version;
|
|
struct game_t game;
|
|
long bird;
|
|
long bivalve;
|
|
};
|
|
struct save_t save;
|
|
|
|
int saveresume(FILE *input, bool resume)
|
|
/* Suspend and resume */
|
|
{
|
|
long i, k;
|
|
FILE *fp = NULL;
|
|
char *name;
|
|
|
|
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). */
|
|
RSPEAK(260);
|
|
if (!YES(input,200,54,54)) return GO_CLEAROBJ;
|
|
game.saved=game.saved+5;
|
|
}
|
|
else
|
|
{
|
|
/* Resume. Read a suspended game back from a file. */
|
|
if (game.loc != 1 || game.abbrev[1] != 1) {
|
|
RSPEAK(268);
|
|
if (!YES(input,200,54,54)) return GO_CLEAROBJ;
|
|
}
|
|
}
|
|
|
|
while (fp == NULL) {
|
|
name = linenoise("\nFile name: ");
|
|
if (name == NULL)
|
|
return GO_TOP;
|
|
fp = fopen(name,(resume ? READ_MODE : WRITE_MODE));
|
|
if (fp == NULL)
|
|
printf("Can't open file %s, try again.\n", name);
|
|
linenoiseFree(name);
|
|
}
|
|
|
|
DATIME(&i,&k);
|
|
k=i+650*k;
|
|
if (!resume)
|
|
{
|
|
save.savetime = k;
|
|
save.mode = -1;
|
|
save.version = VRSION;
|
|
memcpy(&save.game, &game, sizeof(struct game_t));
|
|
save.bird = OBJSND[BIRD];
|
|
save.bivalve = OBJTXT[OYSTER];
|
|
IGNORE(fwrite(&save, sizeof(struct save_t), 1, fp));
|
|
fclose(fp);
|
|
RSPEAK(266);
|
|
exit(0);
|
|
} else {
|
|
IGNORE(fread(&save, sizeof(struct save_t), 1, fp));
|
|
fclose(fp);
|
|
if (save.version != VRSION) {
|
|
SETPRM(1,k/10,MOD(k,10));
|
|
SETPRM(3,VRSION/10,MOD(VRSION,10));
|
|
RSPEAK(269);
|
|
} else {
|
|
memcpy(&game, &save.game, sizeof(struct game_t));
|
|
OBJSND[BIRD] = save.bird;
|
|
OBJTXT[OYSTER] = save.bivalve;
|
|
game.zzword=RNDVOC(3,game.zzword);
|
|
}
|
|
return GO_TOP;
|
|
}
|
|
}
|
|
|
|
/* end */
|