-L8: KK=KEY[game.loc];
- game.newloc=game.loc;
- if(KK == 0)
- BUG(26);
- if(K == NUL)
- return true;
- if(K == BACK) {
- /* Handle "go back". Look for verb which goes from game.loc to
- * game.oldloc, or to game.oldlc2 If game.oldloc has forced-motion.
- * K2 saves entry -> forced loc -> previous loc. */
- K=game.oldloc;
- if(FORCED(K))K=game.oldlc2;
- game.oldlc2=game.oldloc;
- game.oldloc=game.loc;
- K2=0;
- if(K == game.loc)K2=91;
- if(CNDBIT(game.loc,4))K2=274;
- if(K2 == 0) goto L21;
- RSPEAK(K2);
- return true;
- }
- if(K == LOOK) {
- /* Look. Can't give more detail. Pretend it wasn't dark
- * (though it may "now" be dark) so he won't fall into a
- * pit while staring into the gloom. */
- if(game.detail < 3)RSPEAK(15);
- game.detail=game.detail+1;
- game.wzdark=false;
- game.abbrev[game.loc]=0;
- return true;
- }
- if(K == CAVE) {
- /* Cave. Different messages depending on whether above ground. */
- RSPEAK((OUTSID(game.loc) && game.loc != 8) ? 57 : 58);
- return true;
- }
- game.oldlc2=game.oldloc;
- game.oldloc=game.loc;
-
-L9: LL=labs(TRAVEL[KK]);
- if(MOD(LL,1000) == 1 || MOD(LL,1000) == K) goto L10;
- if(TRAVEL[KK] < 0) goto L50;
- KK=KK+1;
- goto L9;
-
-L10: LL=LL/1000;
-L11: game.newloc=LL/1000;
- K=MOD(game.newloc,100); /* ESR: an instance of NOBJECTS? */
- if(game.newloc <= 300) goto L13;
- if(game.prop[K] != game.newloc/100-3) goto L16;
-L12: if(TRAVEL[KK] < 0)BUG(25);
- KK=KK+1;
- game.newloc=labs(TRAVEL[KK])/1000;
- if(game.newloc == LL) goto L12;
- LL=game.newloc;
- goto L11;
-
-L13: if(game.newloc <= 100) goto L14; /* ESR: an instance of NOBJECTS? */
- if(TOTING(K) || (game.newloc > 200 && AT(K))) goto L16;
- goto L12;
-
-L14: if(game.newloc != 0 && !PCT(game.newloc)) goto L12;
-L16: game.newloc=MOD(LL,1000);
- if(game.newloc <= 300) return true;
- if(game.newloc <= 500) goto L30000;
- RSPEAK(game.newloc-500);
- game.newloc=game.loc;
- return true;
-
-/* Special motions come here. Labelling convention: statement numbers NNNXX
- * (XX=00-99) are used for special case number NNN (NNN=301-500). */
-
-L30000: game.newloc=game.newloc-300;
- switch (game.newloc) { case 1: goto L30100; case 2: goto L30200; case 3: goto
- L30300; }
- BUG(20);
-
-/* Travel 301. Plover-alcove passage. Can carry only emerald. Note: travel
- * table must include "useless" entries going through passage, which can never
- * be used for actual motion, but can be spotted by "go back". */
-
-L30100: game.newloc=99+100-game.loc; /* ESR: an instance of NOBJECTS? */
- if(game.holdng == 0 || (game.holdng == 1 && TOTING(EMRALD))) return true;
- game.newloc=game.loc;
- RSPEAK(117);
- return true;
-
-/* Travel 302. Plover transport. Drop the emerald (only use special travel if
- * toting it), so he's forced to use the plover-passage to get it out. Having
- * dropped it, go back and pretend he wasn't carrying it after all. */
-
-L30200: DROP(EMRALD,game.loc);
- goto L12;
-
-/* Travel 303. Troll bridge. Must be done only as special motion so that
- * dwarves won't wander across and encounter the bear. (They won't follow the
- * player there because that region is forbidden to the pirate.) If
- * game.prop(TROLL)=1, he's crossed since paying, so step out and block him.
- * (standard travel entries check for game.prop(TROLL)=0.) Special stuff for bear. */
-
-L30300: if(game.prop[TROLL] != 1) goto L30310;
- PSPEAK(TROLL,1);
- game.prop[TROLL]=0;
- MOVE(TROLL2,0);
- MOVE(TROLL2+NOBJECTS,0);
- MOVE(TROLL,PLAC[TROLL]);
- MOVE(TROLL+NOBJECTS,FIXD[TROLL]);
- JUGGLE(CHASM);
- game.newloc=game.loc;
- return true;
-
-L30310: game.newloc=PLAC[TROLL]+FIXD[TROLL]-game.loc;
- if(game.prop[TROLL] == 0)game.prop[TROLL]=1;
- if(!TOTING(BEAR)) return true;
- RSPEAK(162);
- game.prop[CHASM]=1;
- game.prop[TROLL]=2;
- DROP(BEAR,game.newloc);
- game.fixed[BEAR]= -1;
- game.prop[BEAR]=3;
- game.oldlc2=game.newloc;
- croak(cmdin);
- goto L2000;
-
-/* End of specials. */
-
-L21: LL=MOD((labs(TRAVEL[KK])/1000),1000);
- if(LL != K) {
- if(LL <= 300) {
- if(FORCED(LL) && MOD((labs(TRAVEL[KEY[LL]])/1000),1000) == K)
- K2=KK;
- }
- if(TRAVEL[KK] < 0)
- goto L23;
- KK=KK+1;
- goto L21;
-
- L23: KK=K2;
- if(KK == 0) {
- RSPEAK(140);
- return true;
- }
- }
-
- K=MOD(labs(TRAVEL[KK]),1000);
- KK=KEY[game.loc];
- goto L9;
-
-
-/* Non-applicable motion. Various messages depending on word given. */
-
-L50: SPK=12;
- if(K >= 43 && K <= 50)SPK=52;
- if(K == 29 || K == 30)SPK=52;
- if(K == 7 || K == 36 || K == 37)SPK=10;
- if(K == 11 || K == 19)SPK=11;
- if(VERB == FIND || VERB == INVENT)SPK=59;
- if(K == 62 || K == 65)SPK=42;
- if(K == 17)SPK=80;
- RSPEAK(SPK);
- return true;
-
-/* Cave closing and scoring */
-
-
-/* These sections handle the closing of the cave. The cave closes "clock1"
- * turns after the last treasure has been located (including the pirate's
- * chest, which may of course never show up). Note that the treasures need not
- * have been taken yet, just located. Hence clock1 must be large enough to get
- * out of the cave (it only ticks while inside the cave). When it hits zero,
- * we branch to 10000 to start closing the cave, and then sit back and wait for
- * him to try to get out. If he doesn't within clock2 turns, we close the
- * cave; if he does try, we assume he panics, and give him a few additional
- * turns to get frantic before we close. When clock2 hits zero, we branch to
- * 11000 to transport him into the final puzzle. Note that the puzzle depends
- * upon all sorts of random things. For instance, there must be no water or
- * oil, since there are beanstalks which we don't want to be able to water,
- * since the code can't handle it. Also, we can have no keys, since there is a
- * grate (having moved the fixed object!) there separating him from all the
- * treasures. Most of these problems arise from the use of negative prop
- * numbers to suppress the object descriptions until he's actually moved the
+static bool playermove(token_t verb, int motion)
+{
+ int scratchloc, k2, kk = KEY[game.loc];
+ game.newloc = game.loc;
+ if (kk == 0)
+ BUG(LOCATION_HAS_NO_TRAVEL_ENTRIES);
+ if (motion == NUL)
+ return true;
+ else if (motion == BACK) {
+ /* Handle "go back". Look for verb which goes from game.loc to
+ * game.oldloc, or to game.oldlc2 If game.oldloc has forced-motion.
+ * k2 saves entry -> forced loc -> previous loc. */
+ motion = game.oldloc;
+ if (FORCED(motion))
+ motion = game.oldlc2;
+ game.oldlc2 = game.oldloc;
+ game.oldloc = game.loc;
+ k2 = 0;
+ if (motion == game.loc)k2 = FORGOT_PATH;
+ if (CNDBIT(game.loc, NOBACK))k2 = TWIST_TURN;
+ if (k2 == 0) {
+ for (;;) {
+ scratchloc = MOD((labs(TRAVEL[kk]) / 1000), 1000);
+ if (scratchloc != motion) {
+ if (!SPECIAL(scratchloc)) {
+ if (FORCED(scratchloc) && MOD((labs(TRAVEL[KEY[scratchloc]]) / 1000), 1000) == motion)
+ k2 = kk;
+ }
+ if (TRAVEL[kk] >= 0) {
+ ++kk;
+ continue;
+ }
+ kk = k2;
+ if (kk == 0) {
+ RSPEAK(NOT_CONNECTED);
+ return true;
+ }
+ }
+
+ motion = MOD(labs(TRAVEL[kk]), 1000);
+ kk = KEY[game.loc];
+ break; /* fall through to ordinary travel */
+ }
+ } else {
+ RSPEAK(k2);
+ return true;
+ }
+ } else if (motion == LOOK) {
+ /* Look. Can't give more detail. Pretend it wasn't dark
+ * (though it may now be dark) so he won't fall into a
+ * pit while staring into the gloom. */
+ if (game.detail < 3)
+ RSPEAK(NO_MORE_DETAIL);
+ ++game.detail;
+ game.wzdark = false;
+ game.abbrev[game.loc] = 0;
+ return true;
+ } else if (motion == CAVE) {
+ /* Cave. Different messages depending on whether above ground. */
+ RSPEAK((OUTSID(game.loc) && game.loc != LOC_GRATE) ? FOLLOW_STREAM : NEED_DETAIL);
+ return true;
+ } else {
+ /* none of the specials */
+ game.oldlc2 = game.oldloc;
+ game.oldloc = game.loc;
+ }
+
+ /* ordinary travel */
+ for (;;) {
+ scratchloc = labs(TRAVEL[kk]);
+ if (MOD(scratchloc, 1000) == 1 || MOD(scratchloc, 1000) == motion)
+ break;
+ if (TRAVEL[kk] < 0) {
+ /* FIXME: Magic numbers! */
+ /* Non-applicable motion. Various messages depending on
+ * word given. */
+ int spk = CANT_APPLY;
+ if (motion >= 43 && motion <= 50)spk = BAD_DIRECTION;
+ if (motion == 29 || motion == 30)spk = BAD_DIRECTION;
+ if (motion == 7 || motion == 36 || motion == 37)spk = UNSURE_FACING;
+ if (motion == 11 || motion == 19)spk = NO_INOUT_HERE;
+ if (verb == FIND || verb == INVENT)spk = NEARBY;
+ if (motion == 62 || motion == 65)spk = NOTHING_HAPPENS;
+ if (motion == 17)spk = WHICH_WAY;
+ RSPEAK(spk);
+ return true;
+ }
+ ++kk;
+ }
+ scratchloc = scratchloc / 1000;
+
+ do {
+ /*
+ * (ESR) This special-travel loop may have to be repeated if it includes
+ * the plover passage. Same deal for any future cases where we need to
+ * block travel and then redo it once the blocking condition has been
+ * removed.
+ */
+ for (;;) { /* L12 loop */
+ for (;;) {
+ game.newloc = scratchloc / 1000;
+ motion = MOD(game.newloc, 100);
+ if (!SPECIAL(game.newloc)) {
+ if (game.newloc <= 100) {
+ if (game.newloc == 0 || PCT(game.newloc))
+ break;
+ /* else fall through */
+ }
+ if (TOTING(motion) || (game.newloc > 200 && AT(motion)))
+ break;
+ /* else fall through */
+ } else if (game.prop[motion] != game.newloc / 100 - 3)
+ break;
+ do {
+ if (TRAVEL[kk] < 0)
+ BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION);
+ ++kk;
+ game.newloc = labs(TRAVEL[kk]) / 1000;
+ } while
+ (game.newloc == scratchloc);
+ scratchloc = game.newloc;
+ }
+
+ game.newloc = MOD(scratchloc, 1000);
+ if (!SPECIAL(game.newloc))
+ return true;
+ if (game.newloc <= 500) {
+ game.newloc -= SPECIALBASE;
+ switch (game.newloc) {
+ case 1:
+ /* Travel 301. Plover-alcove passage. Can carry only
+ * emerald. Note: travel table must include "useless"
+ * entries going through passage, which can never be used for
+ * actual motion, but can be spotted by "go back". */
+ /* FIXME: Arithmetic on location numbers */
+ game.newloc = 99 + 100 - game.loc;
+ if (game.holdng > 1 || (game.holdng == 1 && !TOTING(EMERALD))) {
+ game.newloc = game.loc;
+ RSPEAK(MUST_DROP);
+ }
+ return true;
+ case 2:
+ /* Travel 302. Plover transport. Drop the emerald (only use
+ * special travel if toting it), so he's forced to use the
+ * plover-passage to get it out. Having dropped it, go back and
+ * pretend he wasn't carrying it after all. */
+ DROP(EMERALD, game.loc);
+ do {
+ if (TRAVEL[kk] < 0)
+ BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION);
+ ++kk;
+ game.newloc = labs(TRAVEL[kk]) / 1000;
+ } while
+ (game.newloc == scratchloc);
+ scratchloc = game.newloc;
+ continue; /* goto L12 */
+ case 3:
+ /* Travel 303. Troll bridge. Must be done only as special
+ * motion so that dwarves won't wander across and encounter
+ * the bear. (They won't follow the player there because
+ * that region is forbidden to the pirate.) If
+ * game.prop(TROLL)=1, he's crossed since paying, 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, 1);
+ game.prop[TROLL] = 0;
+ MOVE(TROLL2, 0);
+ MOVE(TROLL2 + NOBJECTS, 0);
+ MOVE(TROLL, PLAC[TROLL]);
+ MOVE(TROLL + NOBJECTS, FIXD[TROLL]);
+ JUGGLE(CHASM);
+ game.newloc = game.loc;
+ return true;
+ } else {
+ game.newloc = PLAC[TROLL] + FIXD[TROLL] - game.loc;
+ if (game.prop[TROLL] == 0)game.prop[TROLL] = 1;
+ if (!TOTING(BEAR)) return true;
+ RSPEAK(BRIDGE_COLLAPSE);
+ game.prop[CHASM] = 1;
+ game.prop[TROLL] = 2;
+ DROP(BEAR, game.newloc);
+ game.fixed[BEAR] = -1;
+ game.prop[BEAR] = 3;
+ game.oldlc2 = game.newloc;
+ croak();
+ return true;
+ }
+ }
+ BUG(SPECIAL_TRAVEL_500_GT_L_GT_300_EXCEEDS_GOTO_LIST);
+ }
+ break; /* Leave L12 loop */
+ }
+ } while
+ (false);
+ /* FIXME: Arithmetic on location number, becoming a message number */
+ RSPEAK(game.newloc - 500);
+ game.newloc = game.loc;
+ return true;
+}
+
+static bool closecheck(void)
+/* Handle the closing of the cave. The cave closes "clock1" turns
+ * after the last treasure has been located (including the pirate's
+ * chest, which may of course never show up). Note that the
+ * treasures need not have been taken yet, just located. Hence
+ * clock1 must be large enough to get out of the cave (it only ticks
+ * while inside the cave). When it hits zero, we branch to 10000 to
+ * start closing the cave, and then sit back and wait for him to try
+ * to get out. If he doesn't within clock2 turns, we close the cave;
+ * if he does try, we assume he panics, and give him a few additional
+ * turns to get frantic before we close. When clock2 hits zero, we
+ * branch to 11000 to transport him into the final puzzle. Note that
+ * the puzzle depends upon all sorts of random things. For instance,
+ * there must be no water or oil, since there are beanstalks which we
+ * don't want to be able to water, since the code can't handle it.
+ * Also, we can have no keys, since there is a grate (having moved
+ * the fixed object!) there separating him from all the treasures.
+ * Most of these problems arise from the use of negative prop numbers
+ * to suppress the object descriptions until he's actually moved the