*
* The author - Don Woods - apologises for the style of the code; it
* is a result of running the original Fortran IV source through a
- * home-brew Fortran-to-C converter.)
+ * home-brew Fortran-to-C converter.
*
* Now that the code has been restructured into something much closer
* to idiomatic C, the following is more appropriate:
*
- * ESR apologizes for the remaing gotos (now confined to two functions
- * in this file - there used to be hundreds of them, *everywhere*),
- * and the offensive globals. Applying the Structured Program Theorem
- * can be hard.
+ * ESR apologizes for the remaing gotos (now confined to one function
+ * in this file - there used to be over 350 of them, *everywhere*),
+ * and for the offensive globals. Applying the Structured Program
+ * Theorem can be hard.
*/
#include <stdlib.h>
#include <stdio.h>
set_seed(seedval);
/* Initialize game variables */
- 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);
- }
+ initialise();
/* Start-up, dwarf stuff */
- game.setup= -1;
game.zzword=RNDVOC(3,0);
game.novice=YES(stdin, 65,1,0);
game.newloc=1;
if (logfp)
fprintf(logfp, "seed %ld\n", seedval);
- /* interpret commands ubtil EOF or interrupt */
+ /* interpret commands until EOF or interrupt */
for (;;) {
if (!do_command(stdin))
break;
for (int hint=1; hint<=HNTMAX; hint++) {
if (game.hinted[hint])
continue;
- if (!CNDBIT(game.loc,hint+10))
+ if (!CNDBIT(game.loc,hint+HBASE))
game.hintlc[hint]= -1;
++game.hintlc[hint];
/* Come here if he's been long enough at required loc(s) for some
}
}
+bool spotted_by_pirate(int i)
+{
+ if (i != PIRATE)
+ return false;
+
+ /* The pirate's spotted him. He leaves him alone once we've
+ * found chest. K counts if a treasure is here. If not, and
+ * tally=1 for an unseen chest, let the pirate be spotted.
+ * Note that game.place[CHEST]=0 might mean that he's thrown
+ * it to the troll, but in that case he's seen the chest
+ * (game.prop=0). */
+ if (game.loc == game.chloc || game.prop[CHEST] >= 0)
+ return true;
+ int k=0;
+ for (int j=MINTRS; j<=MAXTRS; j++) {
+ /* Pirate won't take pyramid from plover room or dark
+ * room (too easy!). */
+ if (j==PYRAM && (game.loc==PLAC[PYRAM] || game.loc==PLAC[EMRALD])) {
+ return true;
+ }
+ if (TOTING(j)) {
+ if (game.place[CHEST] == 0) {
+ /* Install chest only once, to insure it is
+ * the last treasure in the list. */
+ MOVE(CHEST,game.chloc);
+ MOVE(MESSAG,game.chloc2);
+ }
+ RSPEAK(128);
+ for (int j=MINTRS; j<=MAXTRS; j++) {
+ if (!(j == PYRAM && (game.loc == PLAC[PYRAM] || game.loc == PLAC[EMRALD]))) {
+ if (AT(j) && game.fixed[j] == 0)
+ CARRY(j,game.loc);
+ if (TOTING(j))
+ DROP(j,game.chloc);
+ }
+ }
+ game.dloc[PIRATE]=game.chloc;
+ game.odloc[PIRATE]=game.chloc;
+ game.dseen[PIRATE]=false;
+ return true;
+ }
+ if (HERE(j))
+ k=1;
+ }
+ /* Force chest placement before player finds last treasure */
+ if (game.tally == 1 && k == 0 && game.place[CHEST] == 0 && HERE(LAMP) && game.prop[LAMP] == 1) {
+ RSPEAK(186);
+ MOVE(CHEST,game.chloc);
+ MOVE(MESSAG,game.chloc2);
+ game.dloc[PIRATE]=game.chloc;
+ game.odloc[PIRATE]=game.chloc;
+ game.dseen[PIRATE]=false;
+ return true;
+ }
+ if (game.odloc[PIRATE] != game.dloc[PIRATE] && PCT(20))
+ RSPEAK(127);
+ return true;
+}
+
static bool dwarfmove(void)
/* Dwarves move. Return true if player survives, false if he dies. */
{
* 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))
+ if (game.loc == 0 || FORCED(game.loc) || CNDBIT(game.newloc,NOARRR))
return true;
/* Dwarf activity level ratchets up */
* the 5 dwarves. If any of the survivors is at loc,
* replace him with the alternate. */
if (game.dflag == 1) {
- if (!INDEEP(game.loc) || (PCT(95) && (!CNDBIT(game.loc,4) || PCT(85))))
+ if (!INDEEP(game.loc) || (PCT(95) && (!CNDBIT(game.loc,NOBACK) || PCT(85))))
return true;
game.dflag=2;
for (int i=1; i<=2; i++) {
attack=0;
stick=0;
for (int i=1; i<=NDWARVES; i++) {
- int k;
if (game.dloc[i] == 0)
continue;
/* Fill TK array with all the places this dwarf might go. */
j >= 20 ||
game.newloc == game.dloc[i] ||
FORCED(game.newloc) ||
- (i == PIRATE && CNDBIT(game.newloc,3)) ||
+ (i == PIRATE && CNDBIT(game.newloc,NOARRR)) ||
labs(TRAVEL[kk])/1000000 == 100);
if (!avoided) {
TK[j++] = game.newloc;
game.dseen[i]=(game.dseen[i] && INDEEP(game.loc)) || (game.dloc[i] == game.loc || game.odloc[i] == game.loc);
if (!game.dseen[i]) continue;
game.dloc[i]=game.loc;
- if (i == PIRATE) {
- /* The pirate's spotted him. He leaves him alone once we've
- * found chest. K counts if a treasure is here. If not, and
- * tally=1 for an unseen chest, let the pirate be spotted.
- * Note that game.place(CHEST)=0 might mean that he's thrown
- * it to the troll, but in that case he's seen the chest
- * (game.prop=0). */
- if (game.loc == game.chloc || game.prop[CHEST] >= 0)
- continue;
- k=0;
- for (int j=MINTRS; j<=MAXTRS; j++) {
- /* Pirate won't take pyramid from plover room or dark
- * room (too easy!). */
- if (j == PYRAM && (game.loc == PLAC[PYRAM] || game.loc == PLAC[EMRALD])) {
- if (HERE(j))
- k=1;
- continue;
- }
- if (TOTING(j)) {
- if (game.place[CHEST] == 0) {
- /* Install chest only once, to insure it is
- * the last treasure in the list. */
- MOVE(CHEST,game.chloc);
- MOVE(MESSAG,game.chloc2);
- }
- RSPEAK(128);
- for (int j=MINTRS; j<=MAXTRS; j++) {
- if (!(j == PYRAM && (game.loc == PLAC[PYRAM] || game.loc == PLAC[EMRALD]))) {
- if (AT(j) && game.fixed[j] == 0)
- CARRY(j,game.loc);
- if (TOTING(j))
- DROP(j,game.chloc);
- }
- }
- game.dloc[PIRATE]=game.chloc;
- game.odloc[PIRATE]=game.chloc;
- game.dseen[PIRATE]=false;
- /* C doesn't have what the Structured rogramming
- * Theorem says we need here - multi-level loop
- * breakout. We simulate with a goto. Irreducible, alas.
- */
- goto jumpout;
- }
- if (HERE(j))
- k=1;
- }
- /* Force chest placement before player finds last treasure */
- if (game.tally == 1 && k == 0 && game.place[CHEST] == 0 && HERE(LAMP) && game.prop[LAMP] == 1) {
- RSPEAK(186);
- MOVE(CHEST,game.chloc);
- MOVE(MESSAG,game.chloc2);
- game.dloc[PIRATE]=game.chloc;
- game.odloc[PIRATE]=game.chloc;
- game.dseen[PIRATE]=false;
- continue;
- }
- if (game.odloc[PIRATE] != game.dloc[PIRATE] && PCT(20))
- RSPEAK(127);
+ if (spotted_by_pirate(i))
continue;
- }
-
/* This threatening little dwarf is in the room with him! */
++game.dtotal;
if (game.odloc[i] == game.dloc[i]) {
if (randrange(1000) < 95*(game.dflag-2))
++stick;
}
- jumpout:;
}
/* Now we know what's happening. Let's tell the poor sucker about it.
game.oldloc=game.loc;
K2=0;
if (motion == game.loc)K2=91;
- if (CNDBIT(game.loc,4))K2=274;
+ if (CNDBIT(game.loc,NOBACK))K2=274;
if (K2 == 0) {
for (;;) {
LL=MOD((labs(TRAVEL[KK])/1000),1000);
static bool do_command(FILE *cmdin)
/* Get and execute a command */
{
- long KQ, VERB, KK, V1, V2;
+ long KQ, VERB, V1, V2;
long i, k, KMOD;
static long igo = 0;
static long obj = 0;
* 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)) {
+ if (game.newloc != game.loc && !FORCED(game.loc) && !CNDBIT(game.loc,NOARRR)) {
for (i=1; i<=NDWARVES-1; i++) {
if (game.odloc[i] == game.newloc && game.dseen[i]) {
game.newloc=game.loc;
part=transitive;
goto Laction;
}
- if (closecheck())
+ if (closecheck()) {
if (game.closed)
return true;
- else
- goto L19999;
-
- lampcheck();
+ } else
+ lampcheck();
- L19999:
k=43;
if (LIQLOC(game.loc) == WATER)k=70;
V1=VOCAB(WD1,-1);
projects / open-adventure.git / blobdiff