+
+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)) {
+ ++game.abbrev[game.loc];
+ for (int i = game.atloc[game.loc]; i != 0; i = game.link[i]) {
+ long 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);
+ }
+ }
+}
+
+static bool do_command(FILE *cmdin)
+/* Get and execute a command */
+{
+ long V1, V2;
+ long kmod, defn;
+ static long igo = 0;
+ static struct command_t command;
+ command.verb = 0;
+
+ /* Can't leave cave once it's closing (except by main office). */
+ if (OUTSID(game.newloc) && game.newloc != 0 && game.closng) {
+ rspeak(EXIT_CLOSED);
+ game.newloc = game.loc;
+ if (!game.panic)game.clock2 = PANICTIME;
+ 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). */
+ if (game.newloc != game.loc && !FORCED(game.loc) && !CNDBIT(game.loc, NOARRR)) {
+ for (size_t i = 1; i <= NDWARVES - 1; i++) {
+ if (game.odloc[i] == game.newloc && game.dseen[i]) {
+ game.newloc = game.loc;
+ rspeak(DWARF_BLOCK);
+ break;
+ }
+ }
+ }
+ game.loc = game.newloc;
+
+ if (!dwarfmove())
+ croak();
+
+ /* Describe the current location and (maybe) get next command. */
+
+ for (;;) {
+ if (game.loc == 0)
+ croak();
+ const char* msg = locations[game.loc].description.small;
+ if (MOD(game.abbrev[game.loc], game.abbnum) == 0 || msg == 0)
+ msg = locations[game.loc].description.big;
+ if (!FORCED(game.loc) && DARK(game.loc)) {
+ /* The easiest way to get killed is to fall into a pit in
+ * pitch darkness. */
+ if (game.wzdark && PCT(35)) {
+ rspeak(PIT_FALL);
+ game.oldlc2 = game.loc;
+ croak();
+ continue; /* back to top of main interpreter loop */
+ }
+ msg = arbitrary_messages[PITCH_DARK];
+ }
+ if (TOTING(BEAR))rspeak(TAME_BEAR);
+ speak(msg);
+ if (FORCED(game.loc)) {
+ if (playermove(command.verb, 1))
+ return true;
+ else
+ continue; /* back to top of main interpreter loop */
+ }
+ if (game.loc == LOC_Y2 && PCT(25) && !game.closng)
+ rspeak(SAYS_PLUGH);
+
+ listobjects();
+
+L2012:
+ command.verb = 0;
+ game.oldobj = command.obj;
+ command.obj = 0;
+
+L2600:
+ checkhints();
+
+ /* 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
+ * and put down separate from their respective piles. Don't
+ * tick game.clock1 unless well into cave (and not at Y2). */
+ if (game.closed) {
+ if (game.prop[OYSTER] < 0 && TOTING(OYSTER))
+ pspeak(OYSTER, 1);
+ for (size_t i = 1; i <= NOBJECTS; i++) {
+ if (TOTING(i) && game.prop[i] < 0)
+ game.prop[i] = -1 - game.prop[i];
+ }
+ }
+ game.wzdark = DARK(game.loc);
+ if (game.knfloc > 0 && game.knfloc != game.loc)
+ game.knfloc = 0;
+
+ /* This is where we get a new command from the user */
+ if (!GETIN(cmdin, &command.wd1, &command.wd1x, &command.wd2, &command.wd2x))
+ return false;
+
+ /* 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);
+ ++game.turns;
+
+ /* If a turn threshold has been met, apply penalties and tell
+ * the player about it. */
+ for (int i = 0; i < turn_threshold_count; ++i)
+ {
+ if (game.turns == turn_thresholds[i].threshold + 1)
+ {
+ game.trnluz += turn_thresholds[i].point_loss;
+ speak(turn_thresholds[i].message);
+ }
+ }
+
+ if (command.verb == SAY && command.wd2 > 0)
+ command.verb = 0;
+ if (command.verb == SAY) {
+ command.part = transitive;
+ goto Laction;
+ }
+ if (closecheck()) {
+ if (game.closed)
+ return true;
+ } else
+ lampcheck();
+
+ V1 = VOCAB(command.wd1, -1);
+ V2 = VOCAB(command.wd2, -1);
+ if (V1 == ENTER && (V2 == STREAM || V2 == 1000 + WATER)) {
+ if (LIQLOC(game.loc) == WATER) {
+ rspeak(FEET_WET);
+ } else {
+ rspeak(WHERE_QUERY);
+ }
+ goto L2012;
+ }
+ if (V1 == ENTER && command.wd2 > 0) {
+ command.wd1 = command.wd2;
+ 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))
+ command.wd2 = MAKEWD(WORD_POUR);
+ }
+ if (V1 == 1000 + CAGE && V2 == 1000 + BIRD && HERE(CAGE) && HERE(BIRD))
+ command.wd1 = MAKEWD(WORD_CATCH);
+ }
+L2620:
+ if (wordeq(command.wd1, MAKEWD(WORD_WEST))) {
+ ++game.iwest;
+ if (game.iwest == 10)
+ rspeak(W_IS_WEST);
+ }
+ if (wordeq(command.wd1, MAKEWD(WORD_GO)) && !wordempty(command.wd2)) {
+ if (++igo == 10)
+ rspeak(GO_UNNEEDED);
+ }
+Lookup:
+ defn = VOCAB(command.wd1, -1);
+ if (defn == -1) {
+ /* Gee, I don't understand. */
+ if (fallback_handler(rawbuf))
+ continue;
+ rspeak(DONT_KNOW, command.wd1, command.wd1x);
+ goto L2600;
+ }
+ kmod = MOD(defn, 1000);
+ switch (defn / 1000) {
+ case 0:
+ if (playermove(command.verb, kmod))
+ return true;
+ else
+ continue; /* back to top of main interpreter loop */
+ case 1:
+ command.part = unknown;
+ command.obj = kmod;
+ break;
+ case 2:
+ command.part = intransitive;
+ command.verb = kmod;
+ break;
+ case 3:
+ rspeak(kmod);
+ goto L2012;
+ default:
+ BUG(VOCABULARY_TYPE_N_OVER_1000_NOT_BETWEEN_0_AND_3);
+ }
+
+Laction:
+ switch (action(cmdin, &command)) {
+ case GO_TERMINATE:
+ return true;
+ case GO_MOVE:
+ playermove(command.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 Lookup;
+ case GO_WORD2:
+ /* Get second word for analysis. */
+ command.wd1 = command.wd2;
+ command.wd1x = command.wd2x;
+ wordclear(&command.wd2);
+ goto L2620;
+ case GO_UNKNOWN:
+ /* Random intransitive verbs come here. Clear obj just in case
+ * (see attack()). */
+ rspeak(DO_WHAT, command.wd1, command.wd1x);
+ command.obj = 0;
+ goto L2600;
+ case GO_DWARFWAKE:
+ /* Oh dear, he's disturbed the dwarves. */
+ rspeak(DWARVES_AWAKEN);
+ terminate(endgame);
+ default:
+ BUG(ACTION_RETURNED_PHASE_CODE_BEYOND_END_OF_SWITCH);
+ }
+ }
+}
+
+/* end */