open-adventure/cheat.c
2023-03-16 08:32:59 -04:00

127 lines
3.5 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 outputting save files that advent
* can import.
*
* Copyright (c) 1977, 2005 by Will Crowther and Don Woods
* Copyright (c) 2017 by Eric S. Raymond
* SPDX-License-Identifier: BSD-2-clause
*/
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <editline/readline.h>
#include "advent.h"
int main(int argc, char *argv[])
{
int ch;
char *savefilename = NULL;
int version = 0;
FILE *fp = NULL;
char *tapmessage = NULL;
// Initialize game variables
initialise();
/* we're generating a saved game, so saved once by default,
* unless overridden with command-line options below.
*/
game.saved = 1;
/* Options. */
const char* opts = "d:l:s:t:v:o:m:";
const char* usage = "Usage: %s [-d numdie] [-s numsaves] [-v version] -o savefilename \n"
" -d number of deaths. Signed integer.\n"
" -l lifetime of lamp in turns. Signed integer.\n"
" -s number of saves. Signed integer.\n"
" -t number of turns. Signed integer.\n"
" -v version number of save format.\n"
" -o required. File name of save game to write.\n"
" -m specify message for YAP output\n";
while ((ch = getopt(argc, argv, opts)) != EOF) {
switch (ch) {
case 'd':
game.numdie = (turn_t)atoi(optarg);
printf("cheat: game.numdie = %d\n", game.numdie);
break;
case 'l':
game.limit = (turn_t)atoi(optarg);
printf("cheat: game.limit = %d\n", game.limit);
break;
case 's':
game.saved = (int)atoi(optarg);
printf("cheat: game.saved = %d\n", game.saved);
break;
case 't':
game.turns = (turn_t)atoi(optarg);
printf("cheat: game.turns = %d\n", game.turns);
break;
case 'v':
version = atoi(optarg);
printf("cheat: version = %d\n", version);
break;
case 'o':
savefilename = optarg;
break;
case 'm':
tapmessage = optarg;
break;
default:
fprintf(stderr,
usage, argv[0]);
exit(EXIT_FAILURE);
break;
}
}
// Save filename required; the point of cheat is to generate save file
if (savefilename == NULL) {
if (tapmessage != NULL) {
printf("not ok - %s: filename required\n", tapmessage);
} else {
printf("not ok - filename required\n");
exit(EXIT_FAILURE);
}
}
fp = fopen(savefilename, WRITE_MODE);
if (fp == NULL) {
if (tapmessage != NULL) {
printf("not ok - %s: can't open file %s. Exiting.\n", tapmessage, savefilename);
} else {
printf("not ok - can't open file %s.\n", savefilename);
exit(EXIT_FAILURE);
}
}
savefile(fp, version);
fclose(fp);
if (tapmessage != NULL) {
printf("ok - %s\n", tapmessage);
} else {
printf("cheat: %s created.\n", savefilename);
}
return EXIT_SUCCESS;
}
// LCOV_EXCL_START
/*
* Ugh...unused, but required for linkage.
* See the actually useful version of this in main.c
*/
char *myreadline(const char *prompt)
{
return readline(prompt);
}
// LCOV_EXCL_STOP
/* end */