X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=cheat.c;h=f62dba95459efa51aae5d369f9ba7b3ab63def3b;hp=d9da4057f8b0a41eb2ab49e6cfeddb64add7ebfb;hb=22a557efb18b65c12a32a72570da21f33f7795de;hpb=1ee0e5c7b0cc469a2d10a7a83b638409a206dee9

diff --git a/cheat.c b/cheat.c
index d9da405..f62dba9 100644
--- a/cheat.c
+++ b/cheat.c
@@ -1,21 +1,17 @@
-#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.
+ */
 #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;
+FILE *logfp = NULL;
 bool oldstyle = false;
-bool editline = true;
 bool prompt = true;
 
 int main(int argc, char *argv[])
@@ -25,10 +21,16 @@ int main(int argc, char *argv[])
     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";
+    const char* usage = "Usage: %s [-d numdie] [-s numsaves] [-v version] -o savefilename \n"
+                        "        -d number of deaths. Signed integer value.\n"
+                        "        -s number of saves. Signed integer value.\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':
@@ -46,59 +48,37 @@ int main(int argc, char *argv[])
         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 */
+    // 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);
-    
+
     printf("cheat: %s created.\n", savefilename);
-    return 0;
+
+    return EXIT_SUCCESS;
 }