*
* 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 idiomatic C, the following
- * is more appropriate:
+ * 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 - they used to be *everywhere*), and the offensive globals. Applying
- * the Structured Program Theorem can be hard.
+ * ESR apologizes for the remaing gotos (now confined to two functions
+ * 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>
FILE *logfp;
bool oldstyle = false;
+bool editline = true;
+bool prompt = true;
lcg_state lcgstate;
extern void initialise();
/* Options. */
- while ((ch = getopt(argc, argv, "l:o")) != EOF) {
+ while ((ch = getopt(argc, argv, "l:os")) != EOF) {
switch (ch) {
-case 'l':
+ case 'l':
logfp = fopen(optarg, "w");
if (logfp == NULL)
fprintf(stderr,
break;
case 'o':
oldstyle = true;
+ editline = prompt = false;
+ break;
+ case 's':
+ editline = false;
break;
}
}
return false;
}
-static void dohint(FILE *cmdin, int hint)
-/* Come here if he's been long enough at required loc(s) for some
- * unused hint. */
+/* Check if this loc is eligible for any hints. If been here
+ * long enough, branch to help section (on later page). Hints
+ * all come back here eventually to finish the loop. Ignore
+ * "HINTS" < 4 (special stuff, see database notes).
+ */
+static void checkhints(FILE *cmdin)
{
- int i;
+ if (COND[game.loc] >= game.conds) {
+ for (int hint=1; hint<=HNTMAX; hint++) {
+ if (game.hinted[hint])
+ continue;
+ if (!CNDBIT(game.loc,hint+10))
+ game.hintlc[hint]= -1;
+ ++game.hintlc[hint];
+ /* Come here if he's been long enough at required loc(s) for some
+ * unused hint. */
+ if (game.hintlc[hint] >= HINTS[hint][1])
+ {
+ int i;
- switch (hint-1)
- {
- case 0:
- /* cave */
- if (game.prop[GRATE] == 0 && !HERE(KEYS))
- break;
- game.hintlc[hint]=0;
- return;
- case 1: /* bird */
- if (game.place[BIRD] == game.loc && TOTING(ROD) && game.oldobj == BIRD)
- break;
- return;
- case 2: /* snake */
- if (HERE(SNAKE) && !HERE(BIRD))
- break;
- game.hintlc[hint]=0;
- return;
- case 3: /* maze */
- if (game.atloc[game.loc] == 0 &&
- game.atloc[game.oldloc] == 0 &&
- game.atloc[game.oldlc2] == 0 &&
- game.holdng > 1)
- break;
- game.hintlc[hint]=0;
- return;
- case 4: /* dark */
- if (game.prop[EMRALD] != -1 && game.prop[PYRAM] == -1)
- break;
- game.hintlc[hint]=0;
- return;
- case 5: /* witt */
- break;
- case 6: /* urn */
- if (game.dflag == 0)
- break;
- game.hintlc[hint]=0;
- return;
- case 7: /* woods */
- if (game.atloc[game.loc] == 0 &&
- game.atloc[game.oldloc] == 0 &&
- game.atloc[game.oldlc2] == 0)
- break;
- return;
- case 8: /* ogre */
- i=ATDWRF(game.loc);
- if (i < 0) {
- game.hintlc[hint]=0;
- return;
+ switch (hint-1)
+ {
+ case 0:
+ /* cave */
+ if (game.prop[GRATE] == 0 && !HERE(KEYS))
+ break;
+ game.hintlc[hint]=0;
+ return;
+ case 1: /* bird */
+ if (game.place[BIRD] == game.loc && TOTING(ROD) && game.oldobj == BIRD)
+ break;
+ return;
+ case 2: /* snake */
+ if (HERE(SNAKE) && !HERE(BIRD))
+ break;
+ game.hintlc[hint]=0;
+ return;
+ case 3: /* maze */
+ if (game.atloc[game.loc] == 0 &&
+ game.atloc[game.oldloc] == 0 &&
+ game.atloc[game.oldlc2] == 0 &&
+ game.holdng > 1)
+ break;
+ game.hintlc[hint]=0;
+ return;
+ case 4: /* dark */
+ if (game.prop[EMRALD] != -1 && game.prop[PYRAM] == -1)
+ break;
+ game.hintlc[hint]=0;
+ return;
+ case 5: /* witt */
+ break;
+ case 6: /* urn */
+ if (game.dflag == 0)
+ break;
+ game.hintlc[hint]=0;
+ return;
+ case 7: /* woods */
+ if (game.atloc[game.loc] == 0 &&
+ game.atloc[game.oldloc] == 0 &&
+ game.atloc[game.oldlc2] == 0)
+ break;
+ return;
+ case 8: /* ogre */
+ i=ATDWRF(game.loc);
+ if (i < 0) {
+ game.hintlc[hint]=0;
+ return;
+ }
+ if (HERE(OGRE) && i == 0)
+ break;
+ return;
+ case 9: /* jade */
+ if (game.tally == 1 && game.prop[JADE] < 0)
+ break;
+ game.hintlc[hint]=0;
+ return;
+ default:
+ BUG(27);
+ break;
+ }
+
+ /* Fall through to hint display */
+ game.hintlc[hint]=0;
+ if (!YES(cmdin,HINTS[hint][3],0,54))
+ return;
+ SETPRM(1,HINTS[hint][2],HINTS[hint][2]);
+ RSPEAK(261);
+ game.hinted[hint]=YES(cmdin,175,HINTS[hint][4],54);
+ if (game.hinted[hint] && game.limit > 30)
+ game.limit=game.limit+30*HINTS[hint][2];
}
- if (HERE(OGRE) && i == 0)
- break;
- return;
- case 9: /* jade */
- if (game.tally == 1 && game.prop[JADE] < 0)
- break;
- game.hintlc[hint]=0;
- return;
- default:
- BUG(27);
- break;
+ }
}
-
- /* Fall through to hint display */
- game.hintlc[hint]=0;
- if (!YES(cmdin,HINTS[hint][3],0,54))
- return;
- SETPRM(1,HINTS[hint][2],HINTS[hint][2]);
- RSPEAK(261);
- game.hinted[hint]=YES(cmdin,175,HINTS[hint][4],54);
- if (game.hinted[hint] && game.limit > 30)
- game.limit=game.limit+30*HINTS[hint][2];
}
static bool dwarfmove(void)
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))
}
LL=LL/1000;
- for (;;) {
- game.newloc=LL/1000;
- motion=MOD(game.newloc,100);
- if (game.newloc <= 300) {
- if (game.newloc <= 100) {
- if (game.newloc == 0 || PCT(game.newloc))
- break;
+ do {
+ /*
+ * (ESR) This special-travel loop may have to be repeated if it includes
+ * the plover passage. Same deal for any future cases wgerw we beed to
+ * block travel and then redo it once the blocking condition has been
+ * removed.
+ */
+ for (;;) {
+ game.newloc=LL/1000;
+ motion=MOD(game.newloc,100);
+ if (game.newloc <= 300) {
+ 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 */
- } 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(25);
+ ++KK;
+ game.newloc=labs(TRAVEL[KK])/1000;
+ } while
+ (game.newloc == LL);
+ LL=game.newloc;
}
- else if (game.prop[motion] != game.newloc/100-3)
- break;
- L12:
- do {
- if (TRAVEL[KK] < 0)BUG(25);
- ++KK;
- game.newloc=labs(TRAVEL[KK])/1000;
- } while
- (game.newloc == LL);
- LL=game.newloc;
- }
- game.newloc=MOD(LL,1000);
- if (game.newloc <= 300)
- return true;
- if (game.newloc <= 500) {
- game.newloc=game.newloc-300;
- 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". */
- game.newloc=99+100-game.loc;
- if (game.holdng == 0 || (game.holdng == 1 && TOTING(EMRALD)))
- return true;
- game.newloc=game.loc;
- RSPEAK(117);
+ game.newloc=MOD(LL,1000);
+ if (game.newloc <= 300)
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(EMRALD,game.loc);
- 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);
+ if (game.newloc <= 500) {
+ game.newloc=game.newloc-300;
+ 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". */
+ game.newloc=99+100-game.loc;
+ if (game.holdng == 0 || (game.holdng == 1 && TOTING(EMRALD)))
+ return true;
game.newloc=game.loc;
+ RSPEAK(117);
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(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);
- return false;
+ 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(EMRALD,game.loc);
+ do {
+ if (TRAVEL[KK] < 0)BUG(25);
+ ++KK;
+ game.newloc=labs(TRAVEL[KK])/1000;
+ } while
+ (game.newloc == LL);
+ continue; /* back to top of do/while loop */
+ 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(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);
+ return false;
+ }
}
+ BUG(20);
}
- BUG(20);
- }
+ } while
+ (false);
RSPEAK(game.newloc-500);
game.newloc=game.loc;
return true;
}
-static bool do_command(FILE *cmdin)
+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
+ * objects. */
{
- long KQ, VERB, KK, V1, V2;
- long i, k, KMOD;
- static long igo = 0;
- static long obj = 0;
- enum speechpart part;
+ if (game.tally == 0 && INDEEP(game.loc) && game.loc != 33)
+ --game.clock1;
- /* 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 the first warning comes, we lock the grate, destroy
+ * the bridge, kill all the dwarves (and the pirate), remove
+ * the troll and bear (unless dead), and set "closng" to
+ * true. Leave the dragon; too much trouble to move it.
+ * from now until clock2 runs out, he cannot unlock the
+ * grate, move to any location outside the cave, or create
+ * the bridge. Nor can he be resurrected if he dies. Note
+ * that the snake is already gone, since he got to the
+ * treasure accessible only via the hall of the mountain
+ * king. Also, he's been in giant room (to get eggs), so we
+ * can refer to it. Also also, he's gotten the pearl, so we
+ * know the bivalve is an oyster. *And*, the dwarves must
+ * have been activated, since we've found chest. */
+ if (game.clock1 == 0)
+ {
+ game.prop[GRATE]=0;
+ game.prop[FISSUR]=0;
+ for (int i=1; i<=NDWARVES; i++) {
+ game.dseen[i]=false;
+ game.dloc[i]=0;
}
+ MOVE(TROLL,0);
+ MOVE(TROLL+NOBJECTS,0);
+ MOVE(TROLL2,PLAC[TROLL]);
+ MOVE(TROLL2+NOBJECTS,FIXD[TROLL]);
+ JUGGLE(CHASM);
+ if (game.prop[BEAR] != 3)DSTROY(BEAR);
+ game.prop[CHAIN]=0;
+ game.fixed[CHAIN]=0;
+ game.prop[AXE]=0;
+ game.fixed[AXE]=0;
+ RSPEAK(129);
+ game.clock1= -1;
+ game.closng=true;
+ return true;
+ } else if (game.clock1 < 0)
+ --game.clock2;
+ if (game.clock2 == 0) {
+ /* Once he's panicked, and clock2 has run out, we come here
+ * to set up the storage room. The room has two locs,
+ * hardwired as 115 (ne) and 116 (sw). At the ne end, we
+ * place empty bottles, a nursery of plants, a bed of
+ * oysters, a pile of lamps, rods with stars, sleeping
+ * dwarves, and him. At the sw end we place grate over
+ * treasures, snake pit, covey of caged birds, more rods, and
+ * pillows. A mirror stretches across one wall. Many of the
+ * objects come from known locations and/or states (e.g. the
+ * snake is known to have been destroyed and needn't be
+ * carried away from its old "place"), making the various
+ * objects be handled differently. We also drop all other
+ * objects he might be carrying (lest he have some which
+ * could cause trouble, such as the keys). We describe the
+ * flash of light and trundle back. */
+ game.prop[BOTTLE]=PUT(BOTTLE,115,1);
+ game.prop[PLANT]=PUT(PLANT,115,0);
+ game.prop[OYSTER]=PUT(OYSTER,115,0);
+ OBJTXT[OYSTER]=3;
+ game.prop[LAMP]=PUT(LAMP,115,0);
+ game.prop[ROD]=PUT(ROD,115,0);
+ game.prop[DWARF]=PUT(DWARF,115,0);
+ game.loc=115;
+ game.oldloc=115;
+ game.newloc=115;
+ /* Leave the grate with normal (non-negative) property.
+ * Reuse sign. */
+ PUT(GRATE,116,0);
+ PUT(SIGN,116,0);
+ ++OBJTXT[SIGN];
+ game.prop[SNAKE]=PUT(SNAKE,116,1);
+ game.prop[BIRD]=PUT(BIRD,116,1);
+ game.prop[CAGE]=PUT(CAGE,116,0);
+ game.prop[ROD2]=PUT(ROD2,116,0);
+ game.prop[PILLOW]=PUT(PILLOW,116,0);
- /* 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.prop[MIRROR]=PUT(MIRROR,115,0);
+ game.fixed[MIRROR]=116;
+
+ for (int i=1; i<=NOBJECTS; i++) {
+ if (TOTING(i))
+ DSTROY(i);
}
- game.loc=game.newloc;
- if (!dwarfmove())
- croak(cmdin);
+ RSPEAK(132);
+ game.closed=true;
+ return true;
+ }
+
+ return false;
+}
+
+static void lampcheck(void)
+/* Check game limit and lamp timers */
+{
+ if (game.prop[LAMP] == 1)
+ --game.limit;
+
+ /* Another way we can force an end to things is by having the
+ * lamp give out. When it gets close, we come here to warn
+ * him. First following ar, if the lamp and fresh batteries are
+ * here, in which case we replace the batteries and continue.
+ * Second is for other cases of lamp dying. 12400 is when it
+ * goes out. Even then, he can explore outside for a while
+ * if desired. */
+ if (game.limit<=30 && HERE(BATTER) && game.prop[BATTER]==0 && HERE(LAMP))
+ {
+ RSPEAK(188);
+ game.prop[BATTER]=1;
+ if (TOTING(BATTER))
+ DROP(BATTER,game.loc);
+ game.limit=game.limit+2500;
+ game.lmwarn=false;
+ } else if (game.limit == 0) {
+ game.limit= -1;
+ game.prop[LAMP]=0;
+ if (HERE(LAMP))
+ RSPEAK(184);
+ } else if (game.limit <= 30) {
+ if (!game.lmwarn && HERE(LAMP)) {
+ game.lmwarn=true;
+ int spk=187;
+ if (game.place[BATTER] == 0)spk=183;
+ if (game.prop[BATTER] == 1)spk=189;
+ RSPEAK(spk);
+ }
+ }
+}
+
+static void listobjects(void)
+/* Print out descriptions of objects at this location. If
+ * not closing and property value is negative, tally off
+ * another treasure. Rug is special case; once seen, its
+ * game.prop is 1 (dragon on it) till dragon is killed.
+ * Similarly for chain; game.prop is initially 1 (locked to
+ * bear). These hacks are because game.prop=0 is needed to
+ * get full score. */
+{
+ if (!DARK(game.loc)) {
+ long obj;
+ ++game.abbrev[game.loc];
+ for (int i=game.atloc[game.loc]; i != 0; i=game.link[i]) {
+ obj=i;
+ if (obj > NOBJECTS)obj=obj-NOBJECTS;
+ if (obj == STEPS && TOTING(NUGGET))
+ continue;
+ if (game.prop[obj] < 0) {
+ if (game.closed)
+ continue;
+ game.prop[obj]=0;
+ if (obj == RUG || obj == CHAIN)
+ game.prop[obj]=1;
+ --game.tally;
+ /* Note: There used to be a test here to see whether the
+ * player had blown it so badly that he could never ever see
+ * the remaining treasures, and if so the lamp was zapped to
+ * 35 turns. But the tests were too simple-minded; things
+ * like killing the bird before the snake was gone (can never
+ * see jewelry), and doing it "right" was hopeless. E.G.,
+ * could cross troll bridge several times, using up all
+ * available treasures, breaking vase, using coins to buy
+ * batteries, etc., and eventually never be able to get
+ * across again. If bottle were left on far side, could then
+ * never get eggs or trident, and the effects propagate. So
+ * the whole thing was flushed. anyone who makes such a
+ * gross blunder isn't likely to find everything else anyway
+ * (so goes the rationalisation). */
+ }
+ int kk=game.prop[obj];
+ if (obj == STEPS && game.loc == game.fixed[STEPS])
+ kk=1;
+ PSPEAK(obj,kk);
+ }
+ }
+}
- /* Describe the current location and (maybe) get next command. */
+static bool do_command(FILE *cmdin)
+/* Get and execute a command */
+{
+ long KQ, VERB, KK, V1, V2;
+ long i, k, KMOD;
+ static long igo = 0;
+ static long obj = 0;
+ enum speechpart part;
- /* Print text for current loc. */
+ /* 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;
+ }
-L2000: if (game.loc == 0)
+ /* 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;
+
+ if (!dwarfmove())
+ croak(cmdin);
+
+ /* Describe the current location and (maybe) get next command. */
+
+ for (;;) {
+ if (game.loc == 0)
croak(cmdin);
char* msg = short_location_descriptions[game.loc];
if (MOD(game.abbrev[game.loc],game.abbnum) == 0 || msg == 0)
RSPEAK(23);
game.oldlc2 = game.loc;
croak(cmdin);
- goto L2000;
+ continue; /* back to top of main interpreter loop */
}
msg=arbitrary_messages[16];
}
if (TOTING(BEAR))RSPEAK(141);
newspeak(msg);
- KMOD=1;
if (FORCED(game.loc)) {
- goto L8;
+ if (playermove(cmdin, VERB, 1))
+ return true;
+ else
+ continue; /* back to top of main interpreter loop */
}
if (game.loc == 33 && PCT(25) && !game.closng)RSPEAK(7);
- /* Print out descriptions of objects at this location. If
- * not closing and property value is negative, tally off
- * another treasure. Rug is special case; once seen, its
- * game.prop is 1 (dragon on it) till dragon is killed.
- * Similarly for chain; game.prop is initially 1 (locked to
- * bear). These hacks are because game.prop=0 is needed to
- * get full score. */
-
- if (DARK(game.loc)) goto L2012;
- ++game.abbrev[game.loc];
- i=game.atloc[game.loc];
-L2004: if (i == 0) goto L2012;
- obj=i;
- if (obj > NOBJECTS)obj=obj-NOBJECTS;
- if (obj == STEPS && TOTING(NUGGET)) goto L2008;
- if (game.prop[obj] >= 0) goto L2006;
- if (game.closed) goto L2008;
- game.prop[obj]=0;
- if (obj == RUG || obj == CHAIN)game.prop[obj]=1;
- --game.tally;
-/* Note: There used to be a test here to see whether the player had blown it
- * so badly that he could never ever see the remaining treasures, and if so
- * the lamp was zapped to 35 turns. But the tests were too simple-minded;
- * things like killing the bird before the snake was gone (can never see
- * jewelry), and doing it "right" was hopeless. E.G., could cross troll
- * bridge several times, using up all available treasures, breaking vase,
- * using coins to buy batteries, etc., and eventually never be able to get
- * across again. If bottle were left on far side, could then never get eggs
- * or trident, and the effects propagate. So the whole thing was flushed.
- * anyone who makes such a gross blunder isn't likely to find everything
- * else anyway (so goes the rationalisation). */
-L2006: KK=game.prop[obj];
- if (obj == STEPS && game.loc == game.fixed[STEPS])KK=1;
- PSPEAK(obj,KK);
-L2008: i=game.link[i];
- goto L2004;
+ listobjects();
-L2012: VERB=0;
+ L2012:
+ VERB=0;
game.oldobj=obj;
obj=0;
-/* Check if this loc is eligible for any hints. If been here long enough,
- * branch to help section (on later page). Hints all come back here eventually
- * to finish the loop. Ignore "HINTS" < 4 (special stuff, see database notes).
- */
-L2600: if (COND[game.loc] >= game.conds) {
- for (int hint=1; hint<=HNTMAX; hint++) {
- if (game.hinted[hint])
- continue;
- if (!CNDBIT(game.loc,hint+10))
- game.hintlc[hint]= -1;
- ++game.hintlc[hint];
- if (game.hintlc[hint] >= HINTS[hint][1])
- dohint(cmdin, hint);
- }
- }
-
+ L2600:
+ checkhints(cmdin);
+
/* If closing time, check for any objects being toted with
* game.prop < 0 and set the prop to -1-game.prop. This way
* objects won't be described until they've been picked up
/* Every input, check "game.foobar" flag. If zero, nothing's
* going on. If pos, make neg. If neg, he skipped a word,
* so make it zero. */
-L2607: game.foobar=(game.foobar>0 ? -game.foobar : 0);
+ L2607:
+ game.foobar=(game.foobar>0 ? -game.foobar : 0);
++game.turns;
if (game.turns == game.thresh) {
- newspeak(turn_threshold_messages[game.trndex]);
- game.trnluz=game.trnluz+TRNVAL[game.trndex]/100000;
- ++game.trndex;
- game.thresh = -1;
- if (game.trndex <= TRNVLS)
- game.thresh=MOD(TRNVAL[game.trndex],100000)+1;
+ newspeak(turn_threshold_messages[game.trndex]);
+ game.trnluz=game.trnluz+TRNVAL[game.trndex]/100000;
+ ++game.trndex;
+ game.thresh = -1;
+ if (game.trndex <= TRNVLS)
+ game.thresh=MOD(TRNVAL[game.trndex],100000)+1;
}
- if (VERB == SAY && WD2 > 0)VERB=0;
- if (VERB == SAY) goto L4090;
- if (game.tally == 0 && INDEEP(game.loc) && game.loc != 33)
- --game.clock1;
-
- /* Next few 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 objects. */
-
- /* When the first warning comes, we lock the grate, destroy
- * the bridge, kill all the dwarves (and the pirate), remove
- * the troll and bear (unless dead), and set "closng" to
- * true. Leave the dragon; too much trouble to move it.
- * from now until clock2 runs out, he cannot unlock the
- * grate, move to any location outside the cave, or create
- * the bridge. Nor can he be resurrected if he dies. Note
- * that the snake is already gone, since he got to the
- * treasure accessible only via the hall of the mountain
- * king. Also, he's been in giant room (to get eggs), so we
- * can refer to it. Also also, he's gotten the pearl, so we
- * know the bivalve is an oyster. *And*, the dwarves must
- * have been activated, since we've found chest. */
- if (game.clock1 == 0)
- {
- game.prop[GRATE]=0;
- game.prop[FISSUR]=0;
- for (i=1; i<=NDWARVES; i++) {
- game.dseen[i]=false;
- game.dloc[i]=0;
- }
- MOVE(TROLL,0);
- MOVE(TROLL+NOBJECTS,0);
- MOVE(TROLL2,PLAC[TROLL]);
- MOVE(TROLL2+NOBJECTS,FIXD[TROLL]);
- JUGGLE(CHASM);
- if (game.prop[BEAR] != 3)DSTROY(BEAR);
- game.prop[CHAIN]=0;
- game.fixed[CHAIN]=0;
- game.prop[AXE]=0;
- game.fixed[AXE]=0;
- RSPEAK(129);
- game.clock1= -1;
- game.closng=true;
- goto L19999;
- } else if (game.clock1 < 0)
- --game.clock2;
- if (game.clock2 == 0) {
- /* Once he's panicked, and clock2 has run out, we come here
- * to set up the storage room. The room has two locs,
- * hardwired as 115 (ne) and 116 (sw). At the ne end, we
- * place empty bottles, a nursery of plants, a bed of
- * oysters, a pile of lamps, rods with stars, sleeping
- * dwarves, and him. At the sw end we place grate over
- * treasures, snake pit, covey of caged birds, more rods, and
- * pillows. A mirror stretches across one wall. Many of the
- * objects come from known locations and/or states (e.g. the
- * snake is known to have been destroyed and needn't be
- * carried away from its old "place"), making the various
- * objects be handled differently. We also drop all other
- * objects he might be carrying (lest he have some which
- * could cause trouble, such as the keys). We describe the
- * flash of light and trundle back. */
- game.prop[BOTTLE]=PUT(BOTTLE,115,1);
- game.prop[PLANT]=PUT(PLANT,115,0);
- game.prop[OYSTER]=PUT(OYSTER,115,0);
- OBJTXT[OYSTER]=3;
- game.prop[LAMP]=PUT(LAMP,115,0);
- game.prop[ROD]=PUT(ROD,115,0);
- game.prop[DWARF]=PUT(DWARF,115,0);
- game.loc=115;
- game.oldloc=115;
- game.newloc=115;
- /* Leave the grate with normal (non-negative) property.
- * Reuse sign. */
- PUT(GRATE,116,0);
- PUT(SIGN,116,0);
- ++OBJTXT[SIGN];
- game.prop[SNAKE]=PUT(SNAKE,116,1);
- game.prop[BIRD]=PUT(BIRD,116,1);
- game.prop[CAGE]=PUT(CAGE,116,0);
- game.prop[ROD2]=PUT(ROD2,116,0);
- game.prop[PILLOW]=PUT(PILLOW,116,0);
-
- game.prop[MIRROR]=PUT(MIRROR,115,0);
- game.fixed[MIRROR]=116;
-
- for (int i=1; i<=NOBJECTS; i++) {
- if (TOTING(i))
- DSTROY(i);
- }
-
- RSPEAK(132);
- game.closed=true;
- return true;
+ if (VERB == SAY && WD2 > 0)
+ VERB=0;
+ if (VERB == SAY) {
+ part=transitive;
+ goto Laction;
}
- if (game.prop[LAMP] == 1)
- --game.limit;
+ if (closecheck()) {
+ if (game.closed)
+ return true;
+ } else
+ lampcheck();
- /* Another way we can force an end to things is by having the
- * lamp give out. When it gets close, we come here to warn
- * him. First following ar, if the lamp and fresh batteries are
- * here, in which case we replace the batteries and continue.
- * Second is for other cases of lamp dying. 12400 is when it
- * goes out. Even then, he can explore outside for a while
- * if desired. */
- if (game.limit<=30 && HERE(BATTER) && game.prop[BATTER]==0 && HERE(LAMP))
- {
- RSPEAK(188);
- game.prop[BATTER]=1;
- if (TOTING(BATTER))DROP(BATTER,game.loc);
- game.limit=game.limit+2500;
- game.lmwarn=false;
- } else if (game.limit == 0) {
- game.limit= -1;
- game.prop[LAMP]=0;
- if (HERE(LAMP))RSPEAK(184);
- } else if (game.limit <= 30) {
- if (!game.lmwarn && HERE(LAMP)) {
- game.lmwarn=true;
- int spk=187;
- if (game.place[BATTER] == 0)spk=183;
- if (game.prop[BATTER] == 1)spk=189;
- RSPEAK(spk);
- }
- }
-L19999: k=43;
+ k=43;
if (LIQLOC(game.loc) == WATER)k=70;
V1=VOCAB(WD1,-1);
V2=VOCAB(WD2,-1);
if (V1 == 1000+CAGE && V2 == 1000+BIRD && HERE(CAGE) && HERE(BIRD))
WD1=MAKEWD(301200308);
}
-L2620: if (WD1 == MAKEWD(23051920)) {
+ L2620:
+ if (WD1 == MAKEWD(23051920)) {
++game.iwest;
if (game.iwest == 10)
RSPEAK(17);
if (++igo == 10)
RSPEAK(276);
}
-L2630:
+ L2630:
i=VOCAB(WD1,-1);
if (i == -1) {
/* Gee, I don't understand. */
KQ=i/1000+1;
switch (KQ-1)
{
- case 0: goto L8;
- case 1: goto L5000;
- case 2: goto L4000;
+ case 0:
+ if (playermove(cmdin, VERB, KMOD))
+ return true;
+ else
+ continue; /* back to top of main interpreter loop */
+ case 1: part=unknown; obj = KMOD; break;
+ case 2: part=intransitive; VERB = KMOD; break;
case 3: RSPEAK(KMOD); goto L2012;
+ default: BUG(22);
}
- BUG(22);
-
-/* Verb and object analysis moved to separate module. */
-
-L4000: part=intransitive; VERB = KMOD; goto Laction;
-L4090: part=transitive; goto Laction;
-L5000: part=unknown; obj = KMOD;
-Laction:
- switch (action(cmdin, part, VERB, obj)) {
- case 2: return true;
- case 8: KMOD=NUL; goto L8;
- case 2000: goto L2000;
- case 2012: goto L2012;
- case 2600: goto L2600;
- case 2607: goto L2607;
- case 2630: goto L2630;
- case 2800:
- /* Get second word for analysis. */
- WD1=WD2;
- WD1X=WD2X;
- WD2=0;
- goto L2620;
- case 8000:
- /* Random intransitive verbs come here. Clear obj just in case
- * (see attack()). */
- SETPRM(1,WD1,WD1X);
- RSPEAK(257);
- obj=0;
- goto L2600;
- case 19000:
- /* Oh dear, he's disturbed the dwarves. */
- RSPEAK(136);
- score(0);
- return true;
- }
- BUG(99);
- /* Figure out the new location */
-L8: if (playermove(cmdin, VERB, KMOD))
+ Laction:
+ switch (action(cmdin, part, VERB, obj)) {
+ case GO_TERMINATE:
return true;
- else
- goto L2000;
+ case GO_MOVE:
+ playermove(cmdin, VERB, NUL);
+ return true;
+ case GO_TOP: continue; /* back to top of main interpreter loop */
+ case GO_CLEAROBJ: goto L2012;
+ case GO_CHECKHINT: goto L2600;
+ case GO_CHECKFOO: goto L2607;
+ case GO_LOOKUP: goto L2630;
+ case GO_WORD2:
+ /* Get second word for analysis. */
+ WD1=WD2;
+ WD1X=WD2X;
+ WD2=0;
+ goto L2620;
+ case GO_UNKNOWN:
+ /* Random intransitive verbs come here. Clear obj just in case
+ * (see attack()). */
+ SETPRM(1,WD1,WD1X);
+ RSPEAK(257);
+ obj=0;
+ goto L2600;
+ case GO_DWARFWAKE:
+ /* Oh dear, he's disturbed the dwarves. */
+ RSPEAK(136);
+ score(0);
+ return true;
+ default:
+ BUG(99);
+ }
+ }
}
+
+/* end */
projects / open-adventure.git / blobdiff