open-adventure/cheat.c

87 lines
2.3 KiB
C

/*
* 'cheat' is a tool for generating save game files to test states that ought
* not happen. It leverages chunks of advent, mostly initialize() and
* savefile(), so we know we're always outputing save files that advent
* can import.
*/
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include "advent.h"
FILE *logfp = NULL;
bool oldstyle = false;
bool prompt = true;
int main(int argc, char *argv[])
{
int ch;
char *savefilename = NULL;
long numdie = 0;
long saved = 1;
long version = 0;
FILE *fp = NULL;
/* Options. */
const char* opts = "d:s:v:o:";
const char* usage = "Usage: %s [-d numdie] [-s numsaves] [-v version] -o savefilename \n";
while ((ch = getopt(argc, argv, opts)) != EOF) {
switch (ch) {
case 'd':
numdie = (long)atoi(optarg);
break;
case 's':
saved = (long)atoi(optarg);
break;
case 'v':
version = (long)atoi(optarg);;
break;
case 'o':
savefilename = optarg;
break;
default:
fprintf(stderr,
usage, argv[0]);
fprintf(stderr,
" -d number of deaths. Signed integer value.'\n");
fprintf(stderr,
" -s number of saves. Signed integer value.\n");
fprintf(stderr,
" -v version number of save format.\n");
fprintf(stderr,
" -o file name of save game to write.\n");
exit(EXIT_FAILURE);
break;
}
}
// Save filename required; the point of cheat is to generate save file
if (savefilename == NULL) {
fprintf(stderr,
usage, argv[0]);
fprintf(stderr,
"ERROR: filename required\n");
exit(EXIT_FAILURE);
}
// Initialize game variables
initialise();
// apply cheats
game.numdie = numdie;
game.saved = saved;
fp = fopen(savefilename, WRITE_MODE);
if (fp == NULL) {
fprintf(stderr,
"Can't open file %s. Exiting.\n", savefilename);
exit(EXIT_FAILURE);
}
savefile(fp, version);
printf("cheat: %s created.\n", savefilename);
return EXIT_SUCCESS;
}