Be explicitely intransitive

[open-adventure.git] / cheat.c

diff --git a/cheat.c b/cheat.c
index 9e23911f31a2f532cef6d1f3ffc28d4c587e1beb..b07b1021c1f875d423a784abaac02dbb13c93fcd 100644 (file)
--- a/cheat.c
+++ b/cheat.c
@@ -1,64 +1,94 @@
-#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 "database.h"
-#include "linenoise/linenoise.h"
-#include "newdb.h"
-
-struct game_t game;
-
-long LNLENG, LNPOSN;
-char rawbuf[LINESIZE], INLINE[LINESIZE + 1];
-
-long AMBER, AXE, BACK, BATTERY, BEAR, BIRD, BLOOD,
-     BOTTLE, CAGE, CAVE, CAVITY, CHAIN, CHASM, CHEST,
-     CLAM, COINS, DOOR, DPRSSN, DRAGON, DWARF, EGGS,
-     EMERALD, ENTER, ENTRNC, FIND, FISSURE, FOOD,
-     GRATE, HINT, INVENT, JADE, KEYS,
-     KNIFE, LAMP, LOCK, LOOK, MAGAZINE,
-     MESSAG, MIRROR, NUGGET, NUL, OGRE, OIL, OYSTER,
-     PEARL, PILLOW, PLANT, PLANT2, PYRAMID, RESER, ROD, ROD2,
-     RUBY, RUG, SAPPH, SAY, SIGN, SNAKE,
-     STEPS, STREAM, THROW, TRIDENT, TROLL, TROLL2,
-     URN, VASE, VEND, VOLCANO, WATER;
-
-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 version = 0;
     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();
 
-    game.zzword = rndvoc(3, 0);
-    game.newloc = LOC_START;
-    game.loc = LOC_START;
-    game.limit = GAMELIMIT;
-    game.numdie = -1000;
+    /* we're generating a saved game, so saved once by default,
+     * unless overridden with command-line options below.
+     */
     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;
+    /*  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 = (long)atoi(optarg);
+            printf("cheat: game.numdie = %ld\n", game.numdie);
+            break;
+        case 'l':
+            game.limit = (long)atoi(optarg);
+            printf("cheat: game.limit = %ld\n", game.limit);
+            break;
+        case 's':
+            game.saved = (long)atoi(optarg);
+            printf("cheat: game.saved = %ld\n", game.saved);
+            break;
+        case 't':
+            game.turns = (long)atoi(optarg);
+            printf("cheat: game.turns = %ld\n", game.turns);
+            break;
+        case 'v':
+            version = (long)atoi(optarg);
+            printf("cheat: version = %ld\n", 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, version);
+
+    fclose(fp);
+
+    printf("cheat: %s created.\n", savefilename);
+
+    return EXIT_SUCCESS;
 }