9 #define NDWARVES 6 /* number of dwarves */
10 #define PIRATE NDWARVES /* must be NDWARVES-1 when zero-origin */
11 #define DALTLC LOC_NUGGET /* alternate dwarf location */
12 #define MINTRS 50 /* index of lowest reasure */
13 #define MAXTRS 79 /* index of highest reasure */
14 #define MAXPARMS 25 /* Max parameters for speak() */
15 #define INVLIMIT 7 /* inverntory limit (# of objects) */
16 #define INTRANSITIVE -1 /* illegal object number */
17 #define SPECIALBASE 300 /* base number of special rooms */
18 #define GAMELIMIT 330 /* base limit of turns */
19 #define NOVICELIMIT 1000 /* limit of turns for novice */
20 #define WARNTIME 30 /* late game starts at game.limit-this */
21 #define PANICTIME 15 /* time left after closing */
22 #define BATTERYLIFE 2500 /* turn limit increment from batteries */
24 typedef long token_t; /* word token - someday this will be char[TOKLEN+1] */
25 typedef long vocab_t; /* index into a vocabulary array */
28 unsigned long lcg_a, lcg_c, lcg_m, lcg_x;
36 bool clshnt; /* has player read the clue in the endgame? */
37 bool closed; /* whether we're all the way closed */
38 bool closng; /* whether it's closing time yet */
49 bool lmwarn; /* has player been warned about lamp going dim? */
52 bool novice; /* asked for instructions at start-up? */
57 bool panic; /* has player found out he's trapped in the cave? */
64 bool wzdark; /* whether the loc he's leaving was dark */
66 long abbrev[LOCSIZ + 1];
67 long atloc[LOCSIZ + 1];
68 long dseen[NDWARVES + 1];
69 long dloc[NDWARVES + 1];
70 long odloc[NDWARVES + 1];
71 long fixed[NOBJECTS + 1];
72 long link[NOBJECTS * 2 + 1];
73 long place[NOBJECTS + 1];
74 long hinted[HINT_COUNT];
75 long hintlc[HINT_COUNT];
76 long prop[NOBJECTS + 1];
79 extern struct game_t game;
81 extern long LNLENG, LNPOSN;
82 extern char rawbuf[LINESIZE], INLINE[LINESIZE + 1];
83 extern const char ascii_to_advent[];
84 extern const char advent_to_ascii[];
86 extern bool oldstyle, editline, prompt;
88 /* b is not needed for POSIX but harmless */
89 #define READ_MODE "rb"
90 #define WRITE_MODE "wb"
91 extern void* xmalloc(size_t size);
92 extern void packed_to_token(long, char token[]);
93 extern void token_to_packed(char token[], long*);
94 extern void vspeak(const char*, va_list);
95 extern bool wordeq(token_t, token_t);
96 extern bool wordempty(token_t);
97 extern void wordclear(token_t *);
98 extern void speak(const char*, ...);
99 extern void pspeak(vocab_t, int, ...);
100 extern void rspeak(vocab_t, ...);
101 extern bool GETIN(FILE *, token_t*, token_t*, token_t*, token_t*);
102 extern void echo_input(FILE*, char*, char*);
103 extern char* get_input(void);
104 extern bool YES(const char*, const char*, const char*);
105 extern long GETTXT(bool, bool, bool);
106 extern token_t MAKEWD(long);
107 extern long VOCAB(long, long);
108 extern void JUGGLE(long);
109 extern void MOVE(long, long);
110 extern long PUT(long, long, long);
111 extern void CARRY(long, long);
112 extern void DROP(long, long);
113 extern long ATDWRF(long);
114 extern long SETBIT(long);
115 extern bool TSTBIT(long, int);
116 extern long RNDVOC(long, long);
117 extern bool MAPLIN(FILE *);
118 extern void DATIME(long*, long*);
120 enum termination {endgame, quitgame, scoregame};
122 extern void set_seed(long);
123 extern unsigned long get_next_lcg_value(void);
124 extern long randrange(long);
125 extern long score(enum termination);
126 extern void terminate(enum termination) __attribute__((noreturn));
127 extern int suspend(void);
128 extern int resume(void);
129 extern int restore(FILE *);
132 * MOD(N,M) = Arithmetic modulus
133 * AT(OBJ) = true if on either side of two-placed object
134 * CNDBIT(L,N) = true if COND(L) has bit n set (bit 0 is units bit)
135 * DARK(LOC) = true if location "LOC" is dark
136 * FORCED(LOC) = true if LOC moves without asking for input (COND=2)
137 * FOREST(LOC) = true if LOC is part of the forest
138 * GSTONE(OBJ) = true if OBJ is a gemstone
139 * HERE(OBJ) = true if the OBJ is at "LOC" (or is being carried)
140 * LIQUID() = object number of liquid in bottle
141 * LIQLOC(LOC) = object number of liquid (if any) at LOC
142 * PCT(N) = true N% of the time (N integer from 0 to 100)
143 * TOTING(OBJ) = true if the OBJ is being carried */
145 #define DESTROY(N) MOVE(N, LOC_NOWHERE)
146 #define MOD(N,M) ((N) % (M))
147 #define TOTING(OBJ) (game.place[OBJ] == CARRIED)
148 #define AT(OBJ) (game.place[OBJ] == game.loc || game.fixed[OBJ] == game.loc)
149 #define HERE(OBJ) (AT(OBJ) || TOTING(OBJ))
150 #define LIQ2(PBOTL) ((1-(PBOTL))*WATER+((PBOTL)/2)*(WATER+OIL))
151 #define LIQUID() (LIQ2(game.prop[BOTTLE]<0 ? -1-game.prop[BOTTLE] : game.prop[BOTTLE]))
152 #define LIQLOC(LOC) (LIQ2((MOD(COND[LOC]/2*2,8)-5)*MOD(COND[LOC]/4,2)+1))
153 #define CNDBIT(L,N) (TSTBIT(COND[L],N))
154 #define FORCED(LOC) (COND[LOC] == 2)
155 #define DARK(DUMMY) ((!CNDBIT(game.loc,LIGHT)) && (game.prop[LAMP] == 0 || !HERE(LAMP)))
156 #define PCT(N) (randrange(100) < (N))
157 #define GSTONE(OBJ) ((OBJ) == EMERALD || (OBJ) == RUBY || (OBJ) == AMBER || (OBJ) == SAPPH)
158 #define FOREST(LOC) ((LOC) >= LOC_FOREST1 && (LOC) <= LOC_FOREST22)
159 #define VOCWRD(LETTRS,SECT) (VOCAB(MAKEWD(LETTRS),SECT))
160 #define SPECIAL(LOC) ((LOC) > SPECIALBASE)
162 /* The following two functions were added to fix a bug (game.clock1 decremented
163 * while in forest). They should probably be replaced by using another
164 * "cond" bit. For now, however, a quick fix... OUTSID(LOC) is true if
165 * LOC is outside, INDEEP(LOC) is true if LOC is "deep" in the cave (hall
166 * of mists or deeper). Note special kludges for "Foof!" locs. */
168 #define OUTSID(LOC) ((LOC) <= LOC_GRATE || FOREST(LOC) || (LOC) == PLAC[SAPPH] || (LOC) == LOC_FOOF2 || (LOC) == LOC_FOOF4)
169 #define INDEEP(LOC) ((LOC) >= LOC_MISTHALL && !OUTSID(LOC) && (LOC) != LOC_FOOF1)
171 /* vocabulary items */
172 extern long AMBER, ATTACK, AXE, BACK, BATTERY, BEAR,
173 BIRD, BLOOD, BOTTLE, CAGE, CAVE, CAVITY, CHAIN, CHASM, CHEST,
174 CLAM, COINS, DOOR, DPRSSN, DRAGON, DWARF, EGGS,
175 EMERALD, ENTER, ENTRNC, FIND, FISSURE, FOOD, GRATE, HINT, INVENT,
176 JADE, KEYS, KNIFE, LAMP, LOCK, LOOK, MAGAZINE, MESSAG, MIRROR, NUGGET, NUL,
177 OGRE, OIL, OYSTER, PANIC, PEARL, PILLOW, PLANT, PLANT2, PYRAMID,
178 RESER, ROD, ROD2, RUBY, RUG, SAPPH, SAY, SIGN, SNAKE,
179 STEPS, STICK, STREAM, THROW, TRIDENT, TROLL, TROLL2,
180 URN, VASE, VEND, VOLCANO, WATER;
182 enum speechpart {unknown, intransitive, transitive};
185 enum speechpart part;
192 void initialise(void);
193 int action(FILE *input, struct command_t *command);
195 /* Phase codes for action returns.
196 * These were at one time FORTRAN line numbers.
197 * The values don't matter, but perturb their order at your peril.
199 #define GO_TERMINATE 2
202 #define GO_CLEAROBJ 2012
203 #define GO_CHECKHINT 2600
204 #define GO_CHECKFOO 2607
205 #define GO_DIRECTION 2620
206 #define GO_LOOKUP 2630
207 #define GO_WORD2 2800
208 #define GO_SPECIALS 1900
209 #define GO_UNKNOWN 8000
210 #define GO_ACTION 40000
211 #define GO_DWARFWAKE 19000
213 /* Symbols for cond bits */
214 #define LIGHT 0 /* Light */
215 #define OILY 1 /* If bit 2 is on: on for oil, off for water */
216 #define FLUID 2 /* Liquid asset, see bit 1 */
217 #define NOARRR 3 /* Pirate doesn't go here unless following player */
218 #define NOBACK 4 /* Cannot use "back" to move away */
219 /* Bits past 10 indicate areas of interest to "hint" routines */
220 #define HBASE 10 /* Base for location hint bits */
221 #define HCAVE 11 /* Trying to get into cave */
222 #define HBIRD 12 /* Trying to catch bird */
223 #define HSNAKE 13 /* Trying to deal with snake */
224 #define HMAZE 14 /* Lost in maze */
225 #define HDARK 15 /* Pondering dark room */
226 #define HWITT 16 /* At Witt's End */
227 #define HCLIFF 17 /* Cliff with urn */
228 #define HWOODS 18 /* Lost in forest */
229 #define HOGRE 19 /* Trying to deal with ogre */
230 #define HJADE 20 /* Found all treasures except jade */
232 /* Special object statuses in game.place - can also be a location number (> 0) */
233 #define CARRIED -1 /* Player is toting it */
235 /* hack to ignore GCC Unused Result */
236 #define IGNORE(r) do{if (r){}}while(0)
239 * FIXME: These constants should be replaced by strings, at their usage sites.
240 * They are sixbit-packed representations of vocabulary words. This, and code
241 * left in misc.c, is the only place left in the runtime that knows about
244 #define WORD_AXE 12405
245 #define WORD_BATTERY 201202005
246 #define WORD_BEAR 2050118
247 #define WORD_BIRD 2091804
248 #define WORD_BLOOD 212151504
249 #define WORD_BOTTLE 215202012
250 #define WORD_CAGE 3010705
251 #define WORD_CATCH 301200308
252 #define WORD_CAVITY 301220920
253 #define WORD_CHASM 308011913
254 #define WORD_CLAM 3120113
255 #define WORD_DOOR 4151518
256 #define WORD_DRAGON 418010715
257 #define WORD_DWARF 423011806
258 #define WORD_FISSURE 609191921
259 #define WORD_FOOD 6151504
261 #define WORD_GRATE 718012005
262 #define WORD_KEYS 11052519
263 #define WORD_KNIFE 1114090605
264 #define WORD_LAMP 12011316
265 #define WORD_MAGAZINE 1301070126
266 #define WORD_MESSAG 1305191901
267 #define WORD_MIRROR 1309181815
268 #define WORD_OGRE 15071805
269 #define WORD_OIL 150912
270 #define WORD_OYSTER 1525192005
271 #define WORD_PILLOW 1609121215
272 #define WORD_PLANT 1612011420
273 #define WORD_POUR 16152118
274 #define WORD_RESER 1805190518
275 #define WORD_ROD 181504
276 #define WORD_SIGN 19090714
277 #define WORD_SNAKE 1914011105
278 #define WORD_STEPS 1920051619
279 #define WORD_TROLL 2018151212
280 #define WORD_URN 211814
281 #define WORD_VEND 1755140409
282 #define WORD_VOLCANO 1765120301
283 #define WORD_WATER 1851200518
284 #define WORD_AMBER 113020518
285 #define WORD_CHAIN 308010914
286 #define WORD_CHEST 308051920
287 #define WORD_COINS 315091419
288 #define WORD_EGGS 5070719
289 #define WORD_EMERALD 513051801
290 #define WORD_JADE 10010405
291 #define WORD_NUGGET 7151204
292 #define WORD_PEARL 1605011812
293 #define WORD_PYRAMID 1625180113
294 #define WORD_RUBY 18210225
295 #define WORD_RUG 182107
296 #define WORD_SAPPH 1901161608
297 #define WORD_TRIDENT 2018090405
298 #define WORD_VASE 22011905
299 #define WORD_BACK 2010311
300 #define WORD_CAVE 3012205
301 #define WORD_DPRSSN 405161805
302 #define WORD_ENTER 514200518
303 #define WORD_ENTRNC 514201801
304 #define WORD_LOOK 12151511
305 #define WORD_NUL 14211212
306 #define WORD_STREAM 1920180501
307 #define WORD_FIND 6091404
308 #define WORD_INVENT 914220514
309 #define WORD_LOCK 12150311
310 #define WORD_SAY 190125
311 #define WORD_THROW 2008181523
312 #define WORD_WEST 23051920
313 #define WORD_YES 250519
314 #define WORD_YINIT 25