-#define DEFINE_GLOBALS_FROM_INCLUDES
+/*
+ * '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.
+ *
+ * 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 <time.h>
#include "advent.h"
-#include "linenoise/linenoise.h"
-#include "dungeon.h"
-
-struct game_t game;
-
-long LNLENG, LNPOSN;
-char rawbuf[LINESIZE], INLINE[LINESIZE + 1];
-
-FILE *logfp = NULL, *rfp = NULL;
-bool oldstyle = false;
-bool editline = true;
-bool prompt = true;
int main(int argc, char *argv[])
{
int ch;
char *savefilename = NULL;
- long numdie = 0;
- long saved = 1;
- long version = 0;
+ int version = 0;
+ FILE *fp = 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:s:v:o:";
- const char* usage = "Usage: %s [-d numdie] [-s numsaves] [-v version] -o savefilename \n";
+ const char* opts = "d:l:s:t:v:o:";
+ 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";
+
while ((ch = getopt(argc, argv, opts)) != EOF) {
switch (ch) {
case 'd':
- numdie = (long)atoi(optarg);
+ 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':
- saved = (long)atoi(optarg);
+ 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 = (long)atoi(optarg);;
+ version = atoi(optarg);
+ printf("cheat: version = %d\n", version);
break;
case 'o':
savefilename = optarg;
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(-1);
+ exit(EXIT_FAILURE);
break;
}
}
-
- if (savefilename == NULL)
- {
+
+ // 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(-1);
+ exit(EXIT_FAILURE);
}
- FILE *fp = NULL;
-
- game.lcg_a = 1093;
- game.lcg_c = 221587;
- game.lcg_m = 1048576;
- srand(time(NULL));
- long seedval = (long)rand();
- set_seed(seedval);
-
- /* Initialize game variables */
- initialise();
-
- make_zzword(game.zzword);
- game.newloc = LOC_START;
- game.loc = LOC_START;
- game.limit = GAMELIMIT;
-
- // apply cheats
- game.numdie = numdie;
- game.saved = saved;
-
fp = fopen(savefilename, WRITE_MODE);
- if (fp == NULL)
- {
+ if (fp == NULL) {
fprintf(stderr,
"Can't open file %s. Exiting.\n", savefilename);
- exit(-1);
- }
+ exit(EXIT_FAILURE);
+ }
savefile(fp, version);
-
+
+ fclose(fp);
+
printf("cheat: %s created.\n", savefilename);
- return 0;
+
+ return EXIT_SUCCESS;
}