X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=cheat.c;h=4e94025668fa367a9a584e859eef62bec061de49;hb=refs%2Fheads%2Fmaster;hp=844b66f50ac82753785d3ca6450f4f22a0f124c5;hpb=7dc88392493951baa8071c7318e6c0b086c531e9;p=open-adventure.git

diff --git a/cheat.c b/cheat.c
index 844b66f..4e94025 100644
--- a/cheat.c
+++ b/cheat.c
@@ -1,52 +1,105 @@
-#define DEFINE_GLOBALS_FROM_INCLUDES
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <time.h>
+/*
+ * '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.
+ *
+ * SPDX-FileCopyrightText: (C) 1977, 2005 by Will Crowther and Don Woods
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "advent.h"
-#include "database.h"
-#include "linenoise/linenoise.h"
-#include "newdb.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[])
-{
-    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();
-
-    game.zzword = rndvoc(3, 0);
-    game.newloc = LOC_START;
-    game.loc = LOC_START;
-    game.limit = GAMELIMIT;
-    game.numdie = -1000;
-    game.saved = 1;
-    
-    fp = fopen("cheat_numdie.adv", WRITE_MODE);
-    if (fp == NULL)
-    {
-        printf("Can't open file. Exiting.\n");
-        exit(0);
-    }        
-
-    savefile(fp);
-    printf("cheat: tests/cheat_numdie.adv created.\n");
-    return 0;
+#include <editline/readline.h>
+#include <getopt.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+	int ch;
+	char *savefilename = NULL;
+	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: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':
+			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':
+			save.version = atoi(optarg);
+			printf("cheat: version = %d\n", save.version);
+			break;
+		case 'o':
+			savefilename = 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) {
+		fprintf(stderr, usage, argv[0]);
+		fprintf(stderr, "ERROR: filename required\n");
+		exit(EXIT_FAILURE);
+	}
+
+	fp = fopen(savefilename, WRITE_MODE);
+	if (fp == NULL) {
+		fprintf(stderr, "Can't open file %s. Exiting.\n", savefilename);
+		exit(EXIT_FAILURE);
+	}
+
+	savefile(fp);
+
+	fclose(fp);
+
+	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 */