/*
- * There used to be a note that said this:
- *
- * 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.
- *
- * 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 one function
- * in this file - there used to be over 350 of them, *everywhere*).
- * Applying the Structured Program Theorem can be hard.
+ * Copyright (c) 1977, 2005 by Will Crowther and Don Woods
+ * Copyright (c) 2017 by Eric S. Raymond
+ * SPDX-License-Identifier: BSD-2-clause
*/
#include <stdlib.h>
*/
static bool do_command(void);
+static bool do_move(void);
int main(int argc, char *argv[])
{
fprintf(stderr,
"advent: can't open save file %s for read\n",
optarg);
- signal(SIGINT, sig_handler);
break;
#endif
default:
/* interpret commands until EOF or interrupt */
for (;;) {
+ // if we're supposed to move, move
+ if (!do_move())
+ continue;
+
+ // get command
if (!do_command())
break;
}
terminate(quitgame);
}
-static bool fallback_handler(struct command_t command)
-/* fallback handler for commands not handled by FORTRANish parser */
-{
- long sv;
- char buf[LINESIZE];
- sprintf(buf, "%s %s", command.raw1, command.raw2);
-
- if (sscanf(buf, "seed %ld", &sv) == 1) {
- set_seed(sv);
- printf("Seed set to %ld\n", sv);
- // autogenerated, so don't charge user time for it.
- --game.turns;
- return true;
- }
- return false;
-}
-
/* Check if this loc is eligible for any hints. If been here long
* enough, display. Ignore "HINTS" < 4 (special stuff, see database
* notes). */
break;
game.hintlc[hint] = 0;
return;
- default:
+ default: // LCOV_EXCL_LINE
BUG(HINT_NUMBER_EXCEEDS_GOTO_LIST); // LCOV_EXCL_LINE
- break;
}
/* Fall through to hint display */
/* Dwarves move. Return true if player survives, false if he dies. */
{
int kk, stick, attack;
- long tk[21];
+ loc_t tk[21];
/* Dwarf stuff. See earlier comments for description of
* variables. Remember sixth dwarf is pirate and is thus
rspeak(stick > 1 ? MULTIPLE_HITS : (stick == 1 ? ONE_HIT : NONE_HIT), stick);
} else {
rspeak(KNIFE_THROWN);
- rspeak(MISSES_YOU);
+ rspeak(stick ? GETS_YOU : MISSES_YOU);
}
if (stick == 0)
return true;
* building (and heaven help him if he tries to xyzzy back into the
* cave without the lamp!). game.oldloc is zapped so he can't just
* "retreat". */
-
static void croak(void)
/* Okay, he's dead. Let's get on with it. */
{
const char* query = obituaries[game.numdie].query;
const char* yes_response = obituaries[game.numdie].yes_response;
+
++game.numdie;
+
if (game.closng) {
/* He died during closing time. No resurrection. Tally up a
* death and exit. */
rspeak(DEATH_CLOSING);
terminate(endgame);
- } else if (game.numdie == NDEATHS ||
- !yes(query, yes_response, arbitrary_messages[OK_MAN]))
+ } else if (!yes(query, yes_response, arbitrary_messages[OK_MAN])
+ || game.numdie == NDEATHS) {
+ /* Player is asked if he wants to try again. If not, or if
+ * he's already used all of his lives, we end the game */
terminate(endgame);
- else {
+ } else {
+ /* If player wishes to continue, we empty the liquids in the
+ * user's inventory, turn off the lamp, and drop all items
+ * where he died. */
game.place[WATER] = game.place[OIL] = LOC_NOWHERE;
if (TOTING(LAMP))
game.prop[LAMP] = LAMP_DARK;
}
}
-static bool traveleq(long a, long b)
+static void describe_location(void)
+/* Describe the location to the user */
+{
+ const char* msg = locations[game.loc].description.small;
+
+ if (MOD(game.abbrev[game.loc], game.abbnum) == 0 ||
+ msg == NO_MESSAGE)
+ msg = locations[game.loc].description.big;
+
+ if (!FORCED(game.loc) && DARK(game.loc)) {
+ msg = arbitrary_messages[PITCH_DARK];
+ }
+
+ if (TOTING(BEAR))
+ rspeak(TAME_BEAR);
+
+ speak(msg);
+
+ if (game.loc == LOC_Y2 && PCT(25) && !game.closng)
+ rspeak(SAYS_PLUGH);
+}
+
+
+static bool traveleq(int a, int b)
/* Are two travel entries equal for purposes of skip after failed condition? */
{
return (travel[a].condtype == travel[b].condtype)
* does, game.newloc will be limbo, and game.oldloc will be what killed
* him, so we need game.oldlc2, which is the last place he was
* safe.) */
-
-static void playermove( int motion)
+static void playermove(int motion)
{
int scratchloc, travel_entry = tkey[game.loc];
game.newloc = game.loc;
motion = game.oldlc2;
game.oldlc2 = game.oldloc;
game.oldloc = game.loc;
- int spk = 0;
- if (motion == game.loc)
- spk = FORGOT_PATH;
- if (CNDBIT(game.loc, COND_NOBACK))
- spk = TWIST_TURN;
- if (spk == 0) {
- int te_tmp = 0;
- for (;;) {
- enum desttype_t desttype = travel[travel_entry].desttype;
- scratchloc = travel[travel_entry].destval;
- if (desttype != dest_goto || scratchloc != motion) {
- if (desttype == dest_goto) {
- if (FORCED(scratchloc) && travel[tkey[scratchloc]].destval == motion)
- te_tmp = travel_entry;
- }
- if (!travel[travel_entry].stop) {
- ++travel_entry; /* go to next travel entry for this location */
- continue;
- }
- /* we've reached the end of travel entries for game.loc */
- travel_entry = te_tmp;
- if (travel_entry == 0) {
- rspeak(NOT_CONNECTED);
- return;
- }
- }
+ if (CNDBIT(game.loc, COND_NOBACK)) {
+ rspeak(TWIST_TURN);
+ return;
+ }
+ if (motion == game.loc) {
+ rspeak(FORGOT_PATH);
+ return;
+ }
- motion = travel[travel_entry].motion;
- travel_entry = tkey[game.loc];
- break; /* fall through to ordinary travel */
+ int te_tmp = 0;
+ for (;;) {
+ enum desttype_t desttype = travel[travel_entry].desttype;
+ scratchloc = travel[travel_entry].destval;
+ if (desttype != dest_goto || scratchloc != motion) {
+ if (desttype == dest_goto) {
+ if (FORCED(scratchloc) && travel[tkey[scratchloc]].destval == motion)
+ te_tmp = travel_entry;
+ }
+ if (!travel[travel_entry].stop) {
+ ++travel_entry; /* go to next travel entry for this location */
+ continue;
+ }
+ /* we've reached the end of travel entries for game.loc */
+ travel_entry = te_tmp;
+ if (travel_entry == 0) {
+ rspeak(NOT_CONNECTED);
+ return;
+ }
}
- } else {
- rspeak(spk);
- return;
+
+ motion = travel[travel_entry].motion;
+ travel_entry = tkey[game.loc];
+ break; /* fall through to ordinary travel */
}
} else if (motion == LOOK) {
/* Look. Can't give more detail. Pretend it wasn't dark
/* We arrive here on conditional failure.
* Skip to next non-matching destination */
- long te_tmp = travel_entry;
+ int te_tmp = travel_entry;
do {
if (travel[te_tmp].stop)
BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE
* to get it out. Having dropped it, go back and
* pretend he wasn't carrying it after all. */
drop(EMERALD, game.loc);
- int te_tmp = travel_entry;
- do {
- if (travel[te_tmp].stop)
- BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE
- ++te_tmp;
- } while
- (traveleq(travel_entry, te_tmp));
- travel_entry = te_tmp;
+ {
+ int te_tmp = travel_entry;
+ do {
+ if (travel[te_tmp].stop)
+ BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE
+ ++te_tmp;
+ } while
+ (traveleq(travel_entry, te_tmp));
+ travel_entry = te_tmp;
+ }
continue; /* goto L12 */
case 3:
/* Special travel 3. Troll bridge. Must be done
* game.prop[TROLL]=TROLL_UNPAID.) Special stuff
* for bear. */
if (game.prop[TROLL] == TROLL_PAIDONCE) {
- pspeak(TROLL, look, TROLL_PAIDONCE, true);
+ pspeak(TROLL, look, true, TROLL_PAIDONCE);
game.prop[TROLL] = TROLL_UNPAID;
- move(TROLL2, LOC_NOWHERE);
+ DESTROY(TROLL2);
move(TROLL2 + NOBJECTS, IS_FREE);
move(TROLL, objects[TROLL].plac);
move(TROLL + NOBJECTS, objects[TROLL].fixd);
croak();
return;
}
- default:
+ default: // LCOV_EXCL_LINE
BUG(SPECIAL_TRAVEL_500_GT_L_GT_300_EXCEEDS_GOTO_LIST); // LCOV_EXCL_LINE
}
}
(false);
}
+static void lampcheck(void)
+/* Check game limit and lamp timers */
+{
+ if (game.prop[LAMP] == LAMP_BRIGHT)
+ --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 arm checks 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. Even after it goes
+ * out, he can explore outside for a while if desired. */
+ if (game.limit <= WARNTIME) {
+ if (HERE(BATTERY) && game.prop[BATTERY] == FRESH_BATTERIES && HERE(LAMP)) {
+ rspeak(REPLACE_BATTERIES);
+ game.prop[BATTERY] = DEAD_BATTERIES;
+#ifdef __unused__
+ /* This code from the original game seems to have been faulty.
+ * No tests ever passed the guard, and with the guard removed
+ * the game hangs when the lamp limit is reached.
+ */
+ if (TOTING(BATTERY))
+ drop(BATTERY, game.loc);
+#endif
+ game.limit += BATTERYLIFE;
+ game.lmwarn = false;
+ } else if (!game.lmwarn && HERE(LAMP)) {
+ game.lmwarn = true;
+ if (game.prop[BATTERY] == DEAD_BATTERIES)
+ rspeak(MISSING_BATTERIES);
+ else if (game.place[BATTERY] == LOC_NOWHERE)
+ rspeak(LAMP_DIM);
+ else
+ rspeak(GET_BATTERIES);
+ }
+ }
+ if (game.limit == 0) {
+ game.limit = -1;
+ game.prop[LAMP] = LAMP_DARK;
+ if (HERE(LAMP))
+ rspeak(LAMP_OUT);
+ }
+}
+
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
game.dseen[i] = false;
game.dloc[i] = LOC_NOWHERE;
}
- move(TROLL, LOC_NOWHERE);
+ DESTROY(TROLL);
move(TROLL + NOBJECTS, IS_FREE);
move(TROLL2, objects[TROLL].plac);
move(TROLL2 + NOBJECTS, objects[TROLL].fixd);
rspeak(CAVE_CLOSING);
game.clock1 = -1;
game.closng = true;
- return true;
+ return game.closed;
} else if (game.clock1 < 0)
--game.clock2;
if (game.clock2 == 0) {
rspeak(CAVE_CLOSED);
game.closed = true;
- return true;
+ return game.closed;
}
+ lampcheck();
return false;
}
-static void lampcheck(void)
-/* Check game limit and lamp timers */
-{
- if (game.prop[LAMP] == LAMP_BRIGHT)
- --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 arm checks 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. Eve after it goes
- * out, he can explore outside for a while if desired. */
- if (game.limit <= WARNTIME) {
- if (HERE(BATTERY) && game.prop[BATTERY] == FRESH_BATTERIES && HERE(LAMP)) {
- rspeak(REPLACE_BATTERIES);
- game.prop[BATTERY] = DEAD_BATTERIES;
- if (TOTING(BATTERY))
- drop(BATTERY, game.loc);
- game.limit += BATTERYLIFE;
- game.lmwarn = false;
- } else if (!game.lmwarn && HERE(LAMP)) {
- game.lmwarn = true;
- if (game.prop[BATTERY] == DEAD_BATTERIES)
- rspeak(MISSING_BATTERIES);
- else if (game.place[BATTERY] == LOC_NOWHERE)
- rspeak(LAMP_DIM);
- else
- rspeak(GET_BATTERIES);
- }
- }
- if (game.limit == 0) {
- game.limit = -1;
- game.prop[LAMP] = LAMP_DARK;
- if (HERE(LAMP))
- rspeak(LAMP_OUT);
- }
-}
-
static void listobjects(void)
/* Print out descriptions of objects at this location. If
* not closing and property value is negative, tally off
if (!DARK(game.loc)) {
++game.abbrev[game.loc];
for (int i = game.atloc[game.loc]; i != 0; i = game.link[i]) {
- long obj = i;
+ obj_t obj = i;
if (obj > NOBJECTS)
obj = obj - NOBJECTS;
if (obj == STEPS && TOTING(NUGGET))
kk = (game.loc == game.fixed[STEPS])
? STEPS_UP
: STEPS_DOWN;
- pspeak(obj, look, kk, true);
+ pspeak(obj, look, true, kk);
}
}
}
-static bool get_command_input(struct command_t *command)
+bool preprocess_command(command_t *command)
+/* Pre-processes a command input to see if we need to tease out a few specific cases:
+ * - "enter water" or "enter stream":
+ * wierd specific case that gets the user wet, and then kicks us back to get another command
+ * - <object> <verb>:
+ * Irregular form of input, but should be allowed. We switch back to <verb> <object> form for
+ * furtherprocessing.
+ * - "grate":
+ * If in location with grate, we move to that grate. If we're in a number of other places,
+ * we move to the entrance.
+ * - "water plant", "oil plant", "water door", "oil door":
+ * Change to "pour water" or "pour oil" based on context
+ * - "cage bird":
+ * If bird is present, we change to "carry bird"
+ *
+ * Returns true if pre-processing is complete, and we're ready to move to the primary command
+ * processing, false otherwise. */
{
- char inputbuf[LINESIZE];
- char word1[TOKLEN + 1];
- char word2[TOKLEN + 1];
- char* input;
+ if (command->word[0].type == MOTION && command->word[0].id == ENTER
+ && (command->word[1].id == STREAM || command->word[1].id == WATER)) {
+ if (LIQLOC(game.loc) == WATER)
+ rspeak(FEET_WET);
+ else
+ rspeak(WHERE_QUERY);
+ } else {
+ if (command->word[0].type == OBJECT) {
+ /* From OV to VO form */
+ if (command->word[1].type == ACTION) {
+ command_word_t stage = command->word[0];
+ command->word[0] = command->word[1];
+ command->word[1] = stage;
+ }
- for (;;) {
- input = get_input();
- if (input == NULL)
- return false;
- if (word_count(input) > 2) {
- rspeak(TWO_WORDS);
- free(input);
- continue;
+ if (command->word[0].id == GRATE) {
+ command->word[0].type = MOTION;
+ if (game.loc == LOC_START ||
+ game.loc == LOC_VALLEY ||
+ game.loc == LOC_SLIT) {
+ command->word[0].id = DEPRESSION;
+ }
+ if (game.loc == LOC_COBBLE ||
+ game.loc == LOC_DEBRIS ||
+ game.loc == LOC_AWKWARD ||
+ game.loc == LOC_BIRD ||
+ game.loc == LOC_PITTOP) {
+ command->word[0].id = ENTRANCE;
+ }
+ }
+ if ((command->word[0].id == WATER || command->word[0].id == OIL) &&
+ (command->word[1].id == PLANT || command->word[1].id == DOOR)) {
+ if (AT(command->word[1].id)) {
+ command->word[1] = command->word[0];
+ command->word[0].id = POUR;
+ command->word[0].type = ACTION;
+ strncpy(command->word[0].raw, "pour", LINESIZE - 1);
+ }
+ }
+ if (command->word[0].id == CAGE && command->word[1].id == BIRD && HERE(CAGE) && HERE(BIRD)) {
+ command->word[0].id = CARRY;
+ command->word[0].type = ACTION;
+ }
}
- if (strcmp(input, "") != 0)
- break;
- free(input);
- }
-
- strncpy(inputbuf, input, LINESIZE - 1);
- free(input);
-
- tokenize(inputbuf, command);
- packed_to_token(command->wd1, word1);
- packed_to_token(command->wd2, word2);
- get_vocab_metadata(word1, &(command->id1), &(command->type1));
- get_vocab_metadata(word2, &(command->id2), &(command->type2));
-
- return true;
+ /* If no word type is given for the first word, we assume it's a motion. */
+ if(command->word[0].type == NO_WORD_TYPE)
+ command->word[0].type = MOTION;
+
+ command->state = PREPROCESSED;
+ return true;
+ }
+ return false;
}
-static bool do_command()
-/* Get and execute a command */
+static bool do_move(void)
+/* Actually execute the move to the new location and dwarf movement */
{
- static struct command_t command;
- char word1[TOKLEN + 1];
-
- 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);
if (!dwarfmove())
croak();
- /* Describe the current location and (maybe) get next command. */
+ if (game.loc == LOC_NOWHERE)
+ croak();
+
+ /* The easiest way to get killed is to fall into a pit in
+ * pitch darkness. */
+ if (!FORCED(game.loc) && DARK(game.loc) && game.wzdark && PCT(35)) { // FIXME: magic number
+ rspeak(PIT_FALL);
+ game.oldlc2 = game.loc;
+ croak();
+ return false;
+ }
+
+ return true;
+}
+
+static bool do_command()
+/* Get and execute a command */
+{
+ static command_t command;
+ clear_command(&command);
+
+ /* Describe the current location and (maybe) get next command. */
+ while (command.state != EXECUTED) {
+ describe_location();
- 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)) {
playermove(HERE);
return true;
}
- if (game.loc == LOC_Y2 && PCT(25) && !game.closng)
- rspeak(SAYS_PLUGH);
listobjects();
-Lclearobj:
- game.oldobj = command.obj;
-
- checkhints();
-
- /* If closing time, check for any objects being toted with
- * game.prop < 0 and stash them. This way objects won't be
- * described until they've been picked up and put down
- * separate from their respective piles. */
- if (game.closed) {
- if (game.prop[OYSTER] < 0 && TOTING(OYSTER))
- pspeak(OYSTER, look, 1, true);
- for (size_t i = 1; i <= NOBJECTS; i++) {
- if (TOTING(i) && game.prop[i] < 0)
- game.prop[i] = STASHED(i);
+ /* Command not yet given; keep getting commands from user
+ * until valid command is both given and executed. */
+ clear_command(&command);
+ while (command.state <= GIVEN) {
+
+ if (game.closed) {
+ /* If closing time, check for any objects being toted with
+ * game.prop < 0 and stash them. This way objects won't be
+ * described until they've been picked up and put down
+ * separate from their respective piles. */
+ if (game.prop[OYSTER] < 0 && TOTING(OYSTER))
+ pspeak(OYSTER, look, true, 1);
+ for (size_t i = 1; i <= NOBJECTS; i++) {
+ if (TOTING(i) && game.prop[i] < 0)
+ game.prop[i] = STASHED(i);
+ }
}
- }
- game.wzdark = DARK(game.loc);
- if (game.knfloc > 0 && game.knfloc != game.loc)
- game.knfloc = 0;
- // Get command input from user
- if (!get_command_input(&command))
- return false;
+ /* Check to see if the room is dark. If the knife is here,
+ * and it's dark, the knife permanently disappears */
+ game.wzdark = DARK(game.loc);
+ if (game.knfloc != LOC_NOWHERE && game.knfloc != game.loc)
+ game.knfloc = LOC_NOWHERE;
+
+ /* Check some for hints, get input from user, increment
+ * turn, and pre-process commands. Keep going until
+ * pre-processing is done. */
+ while ( command.state < PREPROCESSED ) {
+ checkhints();
+
+ /* Get command input from user */
+ if (!get_command_input(&command))
+ return false;
-Lclosecheck:
- ++game.turns;
+ ++game.turns;
+ preprocess_command(&command);
+ }
- if (closecheck()) {
- if (game.closed)
+ /* check if game is closed, and exit if it is */
+ if (closecheck() )
return true;
- } else
- lampcheck();
- if (command.id1 == ENTER && (command.id2 == STREAM ||
- command.id2 == WATER)) {
- if (LIQLOC(game.loc) == WATER)
- rspeak(FEET_WET);
- else
- rspeak(WHERE_QUERY);
+ /* loop until all words in command are procesed */
+ while (command.state == PREPROCESSED ) {
+ command.state = PROCESSING;
- goto Lclearobj;
- }
- if (command.id1 == ENTER && command.id2 != WORD_NOT_FOUND && command.id2 != WORD_EMPTY) {
- command.id1 = command.id2;
- command.id2 = WORD_EMPTY;
- } else {
- if (!((command.id1 != WATER && command.id1 != OIL) || (command.id2 != PLANT && command.id2 != DOOR))) {
- if (AT(command.id2))
- command.wd2 = token_to_packed("POUR");
- }
- if (command.id1 == CAGE && command.id2 == BIRD && HERE(CAGE) && HERE(BIRD))
- command.wd1 = token_to_packed("CATCH");
- }
-Lookup:
- if (strncasecmp(command.raw1, "west", sizeof("west")) == 0) {
- if (++game.iwest == 10)
- rspeak(W_IS_WEST);
- }
- if (strncasecmp(command.raw1, "go", sizeof("go")) == 0 && !wordempty(command.wd2)) {
- if (++game.igo == 10)
- rspeak(GO_UNNEEDED);
- }
- packed_to_token(command.wd1, word1);
- long defn;
- enum wordtype type;
- get_vocab_metadata(word1, &defn, &type);
- if (defn == WORD_NOT_FOUND) {
- if (fallback_handler(command))
- continue;
- /* Gee, I don't understand. */
- sspeak(DONT_KNOW, command.raw1);
- goto Lclearobj;
- }
- switch (type) {
- case NO_WORD_TYPE: // FIXME: treating NO_WORD_TYPE as a motion word is confusing
- case MOTION:
- playermove(defn);
- return true;
- case OBJECT:
- command.part = unknown;
- command.obj = defn;
- break;
- case ACTION:
- command.part = intransitive;
- command.verb = defn;
- break;
- case SPECIAL:
- speak(specials[defn].message);
- goto Lclearobj;
- default:
- BUG(VOCABULARY_TYPE_N_OVER_1000_NOT_BETWEEN_0_AND_3); // LCOV_EXCL_LINE
- }
+ if (command.word[0].id == WORD_NOT_FOUND) {
+ /* Gee, I don't understand. */
+ sspeak(DONT_KNOW, command.word[0].raw);
+ clear_command(&command);
+ continue;
+ }
- switch (action(&command)) {
- case GO_TERMINATE:
- return true;
- case GO_MOVE:
- playermove(NUL);
- return true;
- case GO_TOP:
- continue; /* back to top of main interpreter loop */
- case GO_CHECKFOO:
- goto Lclosecheck;
- case GO_LOOKUP:
- goto Lookup;
- case GO_WORD2:
- /* Get second word for analysis. */
- command.wd1 = command.wd2;
- strncpy(command.raw1, command.raw2, LINESIZE - 1);
- wordclear(&command.wd2);
- command.raw2[0] = '\0';
- goto Lookup;
- case GO_UNKNOWN:
- /* Random intransitive verbs come here. Clear obj just in case
- * (see attack()). */
- command.raw1[0] = toupper(command.raw1[0]);
- sspeak(DO_WHAT, command.raw1);
- command.obj = 0;
- // Fallthrough
- case GO_CHECKHINT: // Fallthrough
- case GO_CLEAROBJ:
- goto Lclearobj;
- 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); // LCOV_EXCL_LINE
- }
- }
+ /* Give user hints of shortcuts */
+ if (strncasecmp(command.word[0].raw, "west", sizeof("west")) == 0) {
+ if (++game.iwest == 10)
+ rspeak(W_IS_WEST);
+ }
+ if (strncasecmp(command.word[0].raw, "go", sizeof("go")) == 0 && command.word[1].id != WORD_EMPTY) {
+ if (++game.igo == 10)
+ rspeak(GO_UNNEEDED);
+ }
+
+ switch (command.word[0].type) {
+ case MOTION:
+ playermove(command.word[0].id);
+ command.state = EXECUTED;
+ continue;
+ case OBJECT:
+ command.part = unknown;
+ command.obj = command.word[0].id;
+ break;
+ case ACTION:
+ if (command.word[1].type == NUMERIC)
+ command.part = transitive;
+ else
+ command.part = intransitive;
+ command.verb = command.word[0].id;
+ break;
+ case NUMERIC:
+ if (!settings.oldstyle) {
+ sspeak(DONT_KNOW, command.word[0].raw);
+ clear_command(&command);
+ continue;
+ }
+ break;
+ default: // LCOV_EXCL_LINE
+ BUG(VOCABULARY_TYPE_N_OVER_1000_NOT_BETWEEN_0_AND_3); // LCOV_EXCL_LINE
+ }
+
+ switch (action(command)) {
+ case GO_TERMINATE:
+ command.state = EXECUTED;
+ break;
+ case GO_MOVE:
+ playermove(NUL);
+ command.state = EXECUTED;
+ break;
+ case GO_WORD2:
+#ifdef GDEBUG
+ printf("Word shift\n");
+#endif /* GDEBUG */
+ /* Get second word for analysis. */
+ command.word[0] = command.word[1];
+ command.word[1] = empty_command_word;
+ command.state = PREPROCESSED;
+ break;
+ case GO_UNKNOWN:
+ /* Random intransitive verbs come here. Clear obj just in case
+ * (see attack()). */
+ command.word[0].raw[0] = toupper(command.word[0].raw[0]);
+ sspeak(DO_WHAT, command.word[0].raw);
+ command.obj = NO_OBJECT;
+
+ /* object cleared; we need to go back to the preprocessing step */
+ command.state = GIVEN;
+ break;
+ case GO_CHECKHINT: // FIXME: re-name to be more contextual; this was previously a label
+ command.state = GIVEN;
+ break;
+ case GO_DWARFWAKE:
+ /* Oh dear, he's disturbed the dwarves. */
+ rspeak(DWARVES_AWAKEN);
+ terminate(endgame);
+ case GO_CLEAROBJ: // FIXME: re-name to be more contextual; this was previously a label
+ clear_command(&command);
+ break;
+ case GO_TOP: // FIXME: re-name to be more contextual; this was previously a label
+ break;
+ default: // LCOV_EXCL_LINE
+ BUG(ACTION_RETURNED_PHASE_CODE_BEYOND_END_OF_SWITCH); // LCOV_EXCL_LINE
+ }
+ } /* while command has nob been fully processed */
+ } /* while command is not yet given */
+ } /* while command is not executed */
+
+ /* command completely executed; we return true. */
+ return true;
}
/* end */
projects / open-adventure.git / blobdiff