Move most build instructions into INSTALL.adoc.
[open-adventure.git] / main.c
diff --git a/main.c b/main.c
index 916ff0ac6931decc20f4c1298ca8020fd0588bec..ce383a0fbd2366cf2c86ffc09ced36c8cdc1795f 100644 (file)
--- a/main.c
+++ b/main.c
 #include <stdbool.h>
 #include <getopt.h>
 #include <signal.h>
-#include <time.h>
 #include <string.h>
 #include "advent.h"
-#include "linenoise/linenoise.h"
 #include "dungeon.h"
 
 #define DIM(a) (sizeof(a)/sizeof(a[0]))
 
-struct game_t game;
-
 FILE  *logfp = NULL, *rfp = NULL;
 bool oldstyle = false;
 bool editline = true;
@@ -118,25 +114,13 @@ int main(int argc, char *argv[])
         }
     }
 
-    linenoiseHistorySetMaxLen(350);
-
-    /* Initialize our LCG PRNG with parameters tested against
-     * Knuth vol. 2. by the original authors */
-    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();
+    long seedval = initialise();
 
     /*  Start-up, dwarf stuff */
     make_zzword(game.zzword);
-    game.newloc = LOC_START;
-    game.loc = LOC_START;
-    game.limit = GAMELIMIT;
+
+#ifndef ADVENT_NOSAVE
     if (!rfp) {
         game.novice = yes(arbitrary_messages[WELCOME_YOU], arbitrary_messages[CAVE_NEARBY], arbitrary_messages[NO_MESSAGE]);
         if (game.novice)
@@ -144,6 +128,7 @@ int main(int argc, char *argv[])
     } else {
         restore(rfp);
     }
+#endif
 
     if (logfp)
         fprintf(logfp, "seed %ld\n", seedval);
@@ -371,9 +356,12 @@ static bool dwarfmove(void)
             if (PCT(50))
                 game.dloc[j] = 0;
         }
+
+        /* Alternate initial loc for dwarf, in case one of them
+        *  starts out on top of the adventurer. */
         for (int i = 1; i <= NDWARVES - 1; i++) {
             if (game.dloc[i] == game.loc)
-                game.dloc[i] = DALTLC;
+                game.dloc[i] = DALTLC; //
             game.odloc[i] = game.dloc[i];
         }
         rspeak(DWARF_RAN);
@@ -619,6 +607,7 @@ static bool playermove( int motion)
     /* (ESR) We've found a destination that goes with the motion verb.
      * Next we need to check any conditional(s) on this destination, and
      * possibly on following entries. */
+    /* FIXME: Magic numbers related to move opcodes */
     do {
         for (;;) { /* L12 loop */
             for (;;) {
@@ -701,8 +690,8 @@ static bool playermove( int motion)
                      * so step out and block him.  (standard travel
                      * entries check for game.prop(TROLL)=0.)  Special
                      * stuff for bear. */
-                    if (game.prop[TROLL] == 1) {
-                        pspeak(TROLL, look, 1);
+                    if (game.prop[TROLL] == TROLL_PAIDONCE) {
+                        pspeak(TROLL, look, TROLL_PAIDONCE);
                         game.prop[TROLL] = 0;
                         move(TROLL2, 0);
                         move(TROLL2 + NOBJECTS, 0);
@@ -713,13 +702,13 @@ static bool playermove( int motion)
                         return true;
                     } else {
                         game.newloc = objects[TROLL].plac + objects[TROLL].fixd - game.loc;
-                        if (game.prop[TROLL] == 0)
-                            game.prop[TROLL] = 1;
+                        if (game.prop[TROLL] == TROLL_UNPAID)
+                            game.prop[TROLL] = TROLL_PAIDONCE;
                         if (!TOTING(BEAR))
                             return true;
                         rspeak(BRIDGE_COLLAPSE);
-                        game.prop[CHASM] = 1;
-                        game.prop[TROLL] = 2;
+                        game.prop[CHASM] = BRIDGE_WRECKED;
+                        game.prop[TROLL] = TROLL_GONE;
                         drop(BEAR, game.newloc);
                         game.fixed[BEAR] = -1;
                         game.prop[BEAR] = BEAR_DEAD;
@@ -775,7 +764,7 @@ static bool closecheck(void)
      *  have been activated, since we've found chest. */
     if (game.clock1 == 0) {
         game.prop[GRATE] = GRATE_CLOSED;
-        game.prop[FISSURE] = 0;
+        game.prop[FISSURE] = UNBRIDGED;
         for (int i = 1; i <= NDWARVES; i++) {
             game.dseen[i] = false;
             game.dloc[i] = 0;
@@ -1029,6 +1018,8 @@ L2600:
 
         /* This is where we get a new command from the user */
         char* input;
+        char inputbuf[LINESIZE];
+
         for (;;) {
             input = get_input();
             if (input == NULL)
@@ -1040,8 +1031,12 @@ L2600:
             if (strcmp(input, "") != 0)
                 break;
         }
+
+        strncpy(inputbuf, input, LINESIZE - 1);
+        free(input);
+
         long tokens[4];
-        tokenize(input, tokens);
+        tokenize(inputbuf, tokens);
         command.wd1 = tokens[0];
         command.wd1x = tokens[1];
         command.wd2 = tokens[2];
@@ -1094,13 +1089,13 @@ L2607:
             command.wd1x = command.wd2x;
             wordclear(&command.wd2);
         } else {
-            /* FIXME: Magic numbers */
-            if (!((V1 != 1000 + WATER && V1 != 1000 + OIL) ||
-                  (V2 != 1000 + PLANT && V2 != 1000 + DOOR))) {
-                if (AT(V2 - 1000))
+            /* FIXME: Magic numbers related to vocabulary */
+            if (!((V1 != PROMOTE_WORD(WATER) && V1 != PROMOTE_WORD(OIL)) ||
+                  (V2 != PROMOTE_WORD(PLANT) && V2 != PROMOTE_WORD(DOOR)))) {
+                if (AT(DEMOTE_WORD(V2)))
                     command.wd2 = token_to_packed("POUR");
             }
-            if (V1 == 1000 + CAGE && V2 == 1000 + BIRD && HERE(CAGE) && HERE(BIRD))
+            if (V1 == PROMOTE_WORD(CAGE) && V2 == PROMOTE_WORD(BIRD) && HERE(CAGE) && HERE(BIRD))
                 command.wd1 = token_to_packed("CATCH");
         }
 L2620:
@@ -1118,11 +1113,12 @@ Lookup:
         defn = get_vocab_id(word1);
         if (defn == -1) {
             /* Gee, I don't understand. */
-            if (fallback_handler(input))
+            if (fallback_handler(inputbuf))
                 continue;
             rspeak(DONT_KNOW, command.wd1, command.wd1x);
             goto L2600;
         }
+        /* FIXME: magic numbers related to vocabulary */
         kmod = MOD(defn, 1000);
         switch (defn / 1000) {
         case 0: