1 /* $NetBSD: extern.h,v 1.36 2014/03/22 23:33:33 dholland Exp $ */
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
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17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * @(#)externs.h 8.1 (Berkeley) 5/31/93
45 #define BITS (CHAR_BIT * sizeof (unsigned int))
47 #define OUTSIDE (position > 68 && position < 246 && position != 218)
48 #define rnd(x) (random() % (x))
49 #define max(a,b) ((a) < (b) ? (b) : (a))
50 #define testbit(array, index) (array[index/BITS] & (1U << (index % BITS)))
51 #define setbit(array, index) (array[index/BITS] |= (1U << (index % BITS)))
52 #define clearbit(array, index) (array[index/BITS] &= ~(1U << (index % BITS)))
54 /* well known rooms */
125 #define DEADNATIVE 57
132 #define NUMOFOBJECTS 64
133 /* non-objects below */
156 #define EVERYTHING 1022
193 #define ARM 6 /* broken arm */
194 #define RIBS 7 /* broken ribs */
195 #define SPINE 9 /* broken back */
196 #define SKULL 11 /* fractured skull */
197 #define INCISE 10 /* deep incisions */
198 #define NECK 12 /* broken NECK */
199 #define NUMOFINJURIES 13
210 /* Number of times room description shown. */
213 /* fundamental constants */
214 #define NUMOFROOMS 275
215 #define NUMOFWORDS ((NUMOFOBJECTS + BITS - 1) / BITS)
216 #define LINELENGTH 81
222 /* initial variable values */
229 * These are flags for objects in the objflags array. OBJ_PLURAL means
230 * that the object short name is plural; OBJ_AN that it begins with a
231 * vowel sound so should be preceded by "an" instead of "a"; OBJ_PERSON
232 * that it is a living person; OBJ_NONOBJ that it is not an object (to
233 * which any game action can be applied) at all (e.g. footsteps, asteroids).
234 * Any individual object has at most one of OBJ_PERSON and OBJ_NONOBJ.
244 #define north link[0]
245 #define south link[1]
249 #define access link[5]
251 #define flyhere link[7]
253 unsigned int objects[NUMOFWORDS];
255 extern struct room dayfile[];
256 extern struct room nightfile[];
257 extern struct room *location;
259 /* object characteristics */
260 extern const char *const objdes[NUMOFOBJECTS];
261 extern const char *const objsht[NUMOFOBJECTS];
262 extern const char *const ouch[NUMOFINJURIES];
263 extern const int objwt[NUMOFOBJECTS];
264 extern const int objcumber[NUMOFOBJECTS];
265 extern const int objflags[NUMOFOBJECTS];
266 #define is_plural_object(n) (objflags[(n)] & OBJ_PLURAL)
268 * These macros yield words to use with objects (followed but not preceded
269 * by spaces, or with no spaces if the expansion is the empty string).
271 #define A_OR_AN(n) (objflags[(n)] & OBJ_AN ? "an " : "a ")
272 #define A_OR_AN_OR_THE(n) (is_plural_object((n)) ? "the " : A_OR_AN((n)))
273 #define A_OR_AN_OR_BLANK(n) (is_plural_object((n)) ? "" : A_OR_AN((n)))
274 #define IS_OR_ARE(n) (is_plural_object((n)) ? "are " : "is ")
276 /* current input line */
278 #define NWORD 20 /* words per line */
279 extern char words[NWORD][WORDLEN];
280 extern int wordvalue[NWORD];
281 extern int wordtype[NWORD];
282 extern int wordcount, wordnumber;
284 /* state of the game */
287 extern int direction;
288 extern int left, right, ahead, back;
289 extern int ourclock, fuel, torps;
290 extern int carrying, encumber;
292 extern int followfight;
296 extern int followgod;
302 extern int matchlight, matchcount;
304 extern int pleasure, power, ego;
307 extern int notes[NUMOFNOTES];
308 extern unsigned int inven[NUMOFWORDS];
309 extern unsigned int wear[NUMOFWORDS];
310 extern char beenthere[NUMOFROOMS + 1];
311 extern char injuries[NUMOFINJURIES];
314 extern const char *username;
321 extern struct wlist wlist[];
327 extern const struct objs dayobjs[];
328 extern const struct objs nightobjs[];
330 #define DEFAULT_SAVE_FILE ".Bstar"
333 int card(const char *, int);
337 void die(void) __dead2;
338 void diesig(int) __dead2;
344 int drop(const char *);
348 char *getcom(char *, int, const char *, const char *);
349 char *getword(char *, char *, int);
351 void initialize(const char *);
357 void live(void) __dead2;
359 int moveplayer(int, int);
363 void open_score_file(void);
365 void printobjs(void);
368 const char *rate(void);
370 void restore(const char *);
372 void save(const char *);
373 char *save_file_name(const char *, size_t);
375 int take(unsigned int[]);
377 int throw(const char *);
378 const char *truedirec(int, int);
379 int ucard(const unsigned int *);
383 void whichway(struct room);