/*
* MAIN PROGRAM
+ *
+ * Adventure (rev 2: 20 treasures)
+ *
+ * History: Original idea & 5-treasure version (adventures) by Willie Crowther
+ * 15-treasure version (adventure) by Don Woods, April-June 1977
+ * 20-treasure version (rev 2) by Don Woods, August 1978
+ * Errata fixed: 78/12/25
+ * Revived 2017 as Open Advebture.
*/
static bool do_command(FILE *);
-int main(int argc, char *argv[]) {
- int ch;
+int main(int argc, char *argv[])
+{
+ int ch;
-/* Adventure (rev 2: 20 treasures) */
-
-/* History: Original idea & 5-treasure version (adventures) by Willie Crowther
- * 15-treasure version (adventure) by Don Woods, April-June 1977
- * 20-treasure version (rev 2) by Don Woods, August 1978
- * Errata fixed: 78/12/25 */
-
-
/* Options. */
- while ((ch = getopt(argc, argv, "l:o")) != EOF) {
- switch (ch) {
- case 'l':
- logfp = fopen(optarg, "w");
- if (logfp == NULL)
- fprintf(stderr,
- "advent: can't open logfile %s for write\n",
- optarg);
- signal(SIGINT, sig_handler);
- break;
- case 'o':
- oldstyle = true;
- break;
- }
+ while ((ch = getopt(argc, argv, "l:o")) != EOF) {
+ switch (ch) {
+ case 'l':
+ logfp = fopen(optarg, "w");
+ if (logfp == NULL)
+ fprintf(stderr,
+ "advent: can't open logfile %s for write\n",
+ optarg);
+ signal(SIGINT, sig_handler);
+ break;
+ case 'o':
+ oldstyle = true;
+ break;
}
+ }
-/* Logical variables:
- *
- * game.closed says whether we're all the way closed
- * game.closng says whether it's closing time yet
- * game.clshnt says whether he's read the clue in the endgame
- * game.lmwarn says whether he's been warned about lamp going dim
- * game.novice says whether he asked for instructions at start-up
- * game.panic says whether he's found out he's trapped in the cave
- * game.wzdark says whether the loc he's leaving was dark */
-
-/* Initialize our LCG PRNG with parameters tested against Knuth vol. 2. by the original authors */
-
- lcgstate.a = 1093;
- lcgstate.c = 221587;
- lcgstate.m = 1048576;
- srand(time(NULL));
- long seedval = (long)rand();
- set_seed(seedval);
-
-/* Read the database if we have not yet done so */
-
- MAP2[1] = 0;
- if (!game.setup)initialise();
- if(game.setup > 0) goto L1;
-
-/* Unlike earlier versions, adventure is no longer restartable. (This
- * lets us get away with modifying things such as OBJSND(BIRD) without
- * having to be able to undo the changes later.) If a "used" copy is
- * rerun, we come here and tell the player to run a fresh copy. */
-
+ /* Logical variables:
+ *
+ * game.closed says whether we're all the way closed
+ * game.closng says whether it's closing time yet
+ * game.clshnt says whether he's read the clue in the endgame
+ * game.lmwarn says whether he's been warned about lamp going dim
+ * game.novice says whether he asked for instructions at start-up
+ * game.panic says whether he's found out he's trapped in the cave
+ * game.wzdark says whether the loc he's leaving was dark */
+
+ /* Initialize our LCG PRNG with parameters tested against
+ * Knuth vol. 2. by the original authors */
+ lcgstate.a = 1093;
+ lcgstate.c = 221587;
+ lcgstate.m = 1048576;
+ srand(time(NULL));
+ long seedval = (long)rand();
+ set_seed(seedval);
+
+ /* Initialize game variables */
+ MAP2[1] = 0;
+ if (!game.setup)
+ initialise();
+
+ /* Unlike earlier versions, adventure is no longer restartable. (This
+ * lets us get away with modifying things such as OBJSND(BIRD) without
+ * having to be able to undo the changes later.) If a "used" copy is
+ * rerun, we come here and tell the player to run a fresh copy. */
+ if(game.setup <= 0) {
RSPEAK(201);
exit(0);
+ }
-/* Start-up, dwarf stuff */
-
-L1: game.setup= -1;
- I=0;
- game.zzword=RNDVOC(3,0);
- game.novice=YES(stdin, 65,1,0);
- game.newloc=1;
- game.loc=1;
- game.limit=330;
- if(game.novice)game.limit=1000;
-
- if (logfp)
- fprintf(logfp, "seed %ld\n", seedval);
-
- for (;;) {
- if (!do_command(stdin))
- break;
- }
- score(1);
+ /* Start-up, dwarf stuff */
+ game.setup= -1;
+ game.zzword=RNDVOC(3,0);
+ game.novice=YES(stdin, 65,1,0);
+ game.newloc=1;
+ game.loc=1;
+ game.limit=330;
+ if(game.novice)game.limit=1000;
+
+ if (logfp)
+ fprintf(logfp, "seed %ld\n", seedval);
+
+ /* interpret commands ubtil EOF or interrupt */
+ for (;;) {
+ if (!do_command(stdin))
+ break;
+ }
+ /* show score and exit */
+ score(1);
}
static bool fallback_handler(char *buf)
static bool do_command(FILE *cmdin) {
long LL, KQ, VERB, KK, K2, V1, V2;
- long obj;
+ long obj, i;
long TK[21];
static long IGO = 0;
-/* Can't leave cave once it's closing (except by main office). */
-
- if(!OUTSID(game.newloc) || game.newloc == 0 || !game.closng) goto L71;
- RSPEAK(130);
- game.newloc=game.loc;
- if(!game.panic)game.clock2=15;
- game.panic=true;
-
-/* See if a dwarf has seen him and has come from where he wants to go. If so,
- * the dwarf's blocking his way. If coming from place forbidden to pirate
- * (dwarves rooted in place) let him get out (and attacked). */
-
-L71: if(game.newloc == game.loc || FORCED(game.loc) || CNDBIT(game.loc,3)) goto L74;
- /* 73 */ for (I=1; I<=NDWARVES-1; I++) {
- if(game.odloc[I] != game.newloc || !game.dseen[I]) goto L73;
- game.newloc=game.loc;
- RSPEAK(2);
- goto L74;
-L73: /*etc*/ ;
- } /* end loop */
-L74: game.loc=game.newloc;
-
-/* Dwarf stuff. See earlier comments for description of variables. Remember
- * sixth dwarf is pirate and is thus very different except for motion rules. */
-
-/* First off, don't let the dwarves follow him into a pit or a wall. Activate
- * the whole mess the first time he gets as far as the hall of mists (loc 15).
- * If game.newloc is forbidden to pirate (in particular, if it's beyond the troll
- * bridge), bypass dwarf stuff. That way pirate can't steal return toll, and
- * dwarves can't meet the bear. Also means dwarves won't follow him into dead
- * end in maze, but c'est la vie. They'll wait for him outside the dead end. */
-
- if(game.loc == 0 || FORCED(game.loc) || CNDBIT(game.newloc,3)) goto L2000;
- if(game.dflag != 0) goto L6000;
- if(INDEEP(game.loc))game.dflag=1;
- goto L2000;
+ /* Can't leave cave once it's closing (except by main office). */
+ if(OUTSID(game.newloc) && game.newloc != 0 && game.closng) {
+ RSPEAK(130);
+ game.newloc=game.loc;
+ if(!game.panic)game.clock2=15;
+ game.panic=true;
+ }
-/* When we encounter the first dwarf, we kill 0, 1, or 2 of the 5 dwarves. If
- * any of the survivors is at loc, replace him with the alternate. */
+ /* See if a dwarf has seen him and has come from where he
+ * wants to go. If so, the dwarf's blocking his way. If
+ * coming from place forbidden to pirate (dwarves rooted in
+ * place) let him get out (and attacked). */
+ if(game.newloc != game.loc && !FORCED(game.loc) && !CNDBIT(game.loc,3)) {
+ for (i=1; i<=NDWARVES-1; i++) {
+ if(game.odloc[i] == game.newloc && game.dseen[i]) {
+ game.newloc=game.loc;
+ RSPEAK(2);
+ break;
+ }
+ }
+ }
+ game.loc=game.newloc;
+
+ /* Dwarf stuff. See earlier comments for description of
+ * variables. Remember sixth dwarf is pirate and is thus
+ * very different except for motion rules. */
+
+ /* First off, don't let the dwarves follow him into a pit or
+ * a wall. Activate the whole mess the first time he gets as
+ * far as the hall of mists (loc 15). If game.newloc is
+ * forbidden to pirate (in particular, if it's beyond the
+ * troll bridge), bypass dwarf stuff. That way pirate can't
+ * steal return toll, and dwarves can't meet the bear. Also
+ * means dwarves won't follow him into dead end in maze, but
+ * c'est la vie. They'll wait for him outside the dead
+ * end. */
+ if(game.loc == 0 || FORCED(game.loc) || CNDBIT(game.newloc,3))
+ goto L2000;
+ if(game.dflag != 0)
+ goto L6000;
+ if(INDEEP(game.loc))
+ game.dflag=1;
+ goto L2000;
+
+ /* When we encounter the first dwarf, we kill 0, 1, or 2 of
+ * the 5 dwarves. If any of the survivors is at loc,
+ * replace him with the alternate. */
L6000: if(game.dflag != 1) goto L6010;
if(!INDEEP(game.loc) || (PCT(95) && (!CNDBIT(game.loc,4) || PCT(85)))) goto L2000;
projects / open-adventure.git / commitdiff