crib.c revision 1.4 1 /*
2 * Copyright (c) 1980 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #ifndef lint
35 char copyright[] =
36 "@(#) Copyright (c) 1980 Regents of the University of California.\n\
37 All rights reserved.\n";
38 #endif /* not lint */
39
40 #ifndef lint
41 /*static char sccsid[] = "from: @(#)crib.c 5.6 (Berkeley) 2/28/91";*/
42 static char rcsid[] = "$Id: crib.c,v 1.4 1995/02/28 18:31:26 jtc Exp $";
43 #endif /* not lint */
44
45 # include <signal.h>
46 # include <curses.h>
47 # include <unistd.h>
48 # include "deck.h"
49 # include "cribbage.h"
50 # include "cribcur.h"
51 # include "pathnames.h"
52
53 main(argc, argv)
54 int argc;
55 char *argv[];
56 {
57 extern char *optarg;
58 extern int optind;
59 register char *p;
60 int ch;
61 BOOLEAN playing;
62 char *s; /* for reading arguments */
63 FILE *f;
64 FILE *fopen();
65 char *getline();
66 void rint();
67
68 while ((ch = getopt(argc, argv, "eqr")) != EOF)
69 switch(ch) {
70 case 'e':
71 explain = TRUE;
72 break;
73 case 'q':
74 quiet = TRUE;
75 break;
76 case 'r':
77 rflag = TRUE;
78 break;
79 case '?':
80 default:
81 (void) fprintf(stderr, "usage: cribbage [-eqr]\n");
82 exit(1);
83 }
84
85 initscr();
86 signal(SIGINT, rint);
87 crmode();
88 noecho();
89 Playwin = subwin(stdscr, PLAY_Y, PLAY_X, 0, 0);
90 Tablewin = subwin(stdscr, TABLE_Y, TABLE_X, 0, PLAY_X);
91 Compwin = subwin(stdscr, COMP_Y, COMP_X, 0, TABLE_X + PLAY_X);
92 Msgwin = subwin(stdscr, MSG_Y, MSG_X, Y_MSG_START, SCORE_X + 1);
93 leaveok(Playwin, TRUE);
94 leaveok(Tablewin, TRUE);
95 leaveok(Compwin, TRUE);
96 clearok(stdscr, FALSE);
97
98 if (!quiet) {
99 msg("Do you need instructions for cribbage? ");
100 if (getuchar() == 'Y') {
101 endwin();
102 clear();
103 mvcur(0, COLS - 1, LINES - 1, 0);
104 fflush(stdout);
105 instructions();
106 crmode();
107 noecho();
108 clear();
109 refresh();
110 msg("For the rules of this program, do \"man cribbage\"");
111 }
112 }
113 playing = TRUE;
114 do {
115 wclrtobot(Msgwin);
116 msg(quiet ? "L or S? " : "Long (to 121) or Short (to 61)? ");
117 if (glimit == SGAME)
118 glimit = (getuchar() == 'L' ? LGAME : SGAME);
119 else
120 glimit = (getuchar() == 'S' ? SGAME : LGAME);
121 game();
122 msg("Another game? ");
123 playing = (getuchar() == 'Y');
124 } while (playing);
125
126 if (f = fopen(_PATH_LOG, "a")) {
127 (void)fprintf(f, "%s: won %5.5d, lost %5.5d\n",
128 getlogin(), cgames, pgames);
129 (void)fclose(f);
130 }
131 bye();
132 if (!f) {
133 (void)fprintf(stderr, "\ncribbage: can't open %s.\n",
134 _PATH_LOG);
135 exit(1);
136 }
137 exit(0);
138 }
139
140 /*
141 * makeboard:
142 * Print out the initial board on the screen
143 */
144 makeboard()
145 {
146 mvaddstr(SCORE_Y + 0, SCORE_X, "+---------------------------------------+");
147 mvaddstr(SCORE_Y + 1, SCORE_X, "| Score: 0 YOU |");
148 mvaddstr(SCORE_Y + 2, SCORE_X, "| *.....:.....:.....:.....:.....:..... |");
149 mvaddstr(SCORE_Y + 3, SCORE_X, "| *.....:.....:.....:.....:.....:..... |");
150 mvaddstr(SCORE_Y + 4, SCORE_X, "| |");
151 mvaddstr(SCORE_Y + 5, SCORE_X, "| *.....:.....:.....:.....:.....:..... |");
152 mvaddstr(SCORE_Y + 6, SCORE_X, "| *.....:.....:.....:.....:.....:..... |");
153 mvaddstr(SCORE_Y + 7, SCORE_X, "| Score: 0 ME |");
154 mvaddstr(SCORE_Y + 8, SCORE_X, "+---------------------------------------+");
155 gamescore();
156 }
157
158 /*
159 * gamescore:
160 * Print out the current game score
161 */
162 gamescore()
163 {
164 extern int Lastscore[];
165
166 if (pgames || cgames) {
167 mvprintw(SCORE_Y + 1, SCORE_X + 28, "Games: %3d", pgames);
168 mvprintw(SCORE_Y + 7, SCORE_X + 28, "Games: %3d", cgames);
169 }
170 Lastscore[0] = -1;
171 Lastscore[1] = -1;
172 }
173
174 /*
175 * game:
176 * Play one game up to glimit points. Actually, we only ASK the
177 * player what card to turn. We do a random one, anyway.
178 */
179 game()
180 {
181 register int i, j;
182 BOOLEAN flag;
183 BOOLEAN compcrib;
184 char *getline();
185
186 makeboard();
187 refresh();
188 makedeck(deck);
189 shuffle(deck);
190 if (gamecount == 0) {
191 flag = TRUE;
192 do {
193 if (!rflag) { /* player cuts deck */
194 msg(quiet ? "Cut for crib? " :
195 "Cut to see whose crib it is -- low card wins? ");
196 getline();
197 }
198 i = (rand() >> 4) % CARDS; /* random cut */
199 do { /* comp cuts deck */
200 j = (rand() >> 4) % CARDS;
201 } while (j == i);
202 addmsg(quiet ? "You cut " : "You cut the ");
203 msgcard(deck[i], FALSE);
204 endmsg();
205 addmsg(quiet ? "I cut " : "I cut the ");
206 msgcard(deck[j], FALSE);
207 endmsg();
208 flag = (deck[i].rank == deck[j].rank);
209 if (flag) {
210 msg(quiet ? "We tied..." :
211 "We tied and have to try again...");
212 shuffle(deck);
213 continue;
214 }
215 else
216 compcrib = (deck[i].rank > deck[j].rank);
217 } while (flag);
218 }
219 else {
220 werase(Tablewin);
221 wrefresh(Tablewin);
222 werase(Compwin);
223 wrefresh(Compwin);
224 msg("Loser (%s) gets first crib", (iwon ? "you" : "me"));
225 compcrib = !iwon;
226 }
227
228 pscore = cscore = 0;
229 flag = TRUE;
230 do {
231 shuffle(deck);
232 flag = !playhand(compcrib);
233 compcrib = !compcrib;
234 } while (flag);
235 ++gamecount;
236 if (cscore < pscore) {
237 if (glimit - cscore > 60) {
238 msg("YOU DOUBLE SKUNKED ME!");
239 pgames += 4;
240 }
241 else if (glimit - cscore > 30) {
242 msg("YOU SKUNKED ME!");
243 pgames += 2;
244 }
245 else {
246 msg("YOU WON!");
247 ++pgames;
248 }
249 iwon = FALSE;
250 }
251 else {
252 if (glimit - pscore > 60) {
253 msg("I DOUBLE SKUNKED YOU!");
254 cgames += 4;
255 }
256 else if (glimit - pscore > 30) {
257 msg("I SKUNKED YOU!");
258 cgames += 2;
259 }
260 else {
261 msg("I WON!");
262 ++cgames;
263 }
264 iwon = TRUE;
265 }
266 gamescore();
267 }
268
269 /*
270 * playhand:
271 * Do up one hand of the game
272 */
273 playhand(mycrib)
274 BOOLEAN mycrib;
275 {
276 register int deckpos;
277 extern char Msgbuf[];
278
279 werase(Compwin);
280
281 knownum = 0;
282 deckpos = deal(mycrib);
283 sorthand(chand, FULLHAND);
284 sorthand(phand, FULLHAND);
285 makeknown(chand, FULLHAND);
286 prhand(phand, FULLHAND, Playwin, FALSE);
287 discard(mycrib);
288 if (cut(mycrib, deckpos))
289 return TRUE;
290 if (peg(mycrib))
291 return TRUE;
292 werase(Tablewin);
293 wrefresh(Tablewin);
294 if (score(mycrib))
295 return TRUE;
296 return FALSE;
297 }
298
299
300
301 /*
302 * deal cards to both players from deck
303 */
304
305 deal( mycrib )
306 {
307 register int i, j;
308
309 j = 0;
310 for( i = 0; i < FULLHAND; i++ ) {
311 if( mycrib ) {
312 phand[i] = deck[j++];
313 chand[i] = deck[j++];
314 }
315 else {
316 chand[i] = deck[j++];
317 phand[i] = deck[j++];
318 }
319 }
320 return( j );
321 }
322
323 /*
324 * discard:
325 * Handle players discarding into the crib...
326 * Note: we call cdiscard() after prining first message so player doesn't wait
327 */
328 discard(mycrib)
329 BOOLEAN mycrib;
330 {
331 register char *prompt;
332 CARD crd;
333
334 prcrib(mycrib, TRUE);
335 prompt = (quiet ? "Discard --> " : "Discard a card --> ");
336 cdiscard(mycrib); /* puts best discard at end */
337 crd = phand[infrom(phand, FULLHAND, prompt)];
338 cremove(crd, phand, FULLHAND);
339 prhand(phand, FULLHAND, Playwin, FALSE);
340 crib[0] = crd;
341 /* next four lines same as last four except for cdiscard() */
342 crd = phand[infrom(phand, FULLHAND - 1, prompt)];
343 cremove(crd, phand, FULLHAND - 1);
344 prhand(phand, FULLHAND, Playwin, FALSE);
345 crib[1] = crd;
346 crib[2] = chand[4];
347 crib[3] = chand[5];
348 chand[4].rank = chand[4].suit = chand[5].rank = chand[5].suit = EMPTY;
349 }
350
351 /*
352 * cut:
353 * Cut the deck and set turnover. Actually, we only ASK the
354 * player what card to turn. We do a random one, anyway.
355 */
356 cut(mycrib, pos)
357 BOOLEAN mycrib;
358 int pos;
359 {
360 register int i, cardx;
361 BOOLEAN win = FALSE;
362 char *getline();
363
364 if (mycrib) {
365 if (!rflag) { /* random cut */
366 msg(quiet ? "Cut the deck? " :
367 "How many cards down do you wish to cut the deck? ");
368 getline();
369 }
370 i = (rand() >> 4) % (CARDS - pos);
371 turnover = deck[i + pos];
372 addmsg(quiet ? "You cut " : "You cut the ");
373 msgcard(turnover, FALSE);
374 endmsg();
375 if (turnover.rank == JACK) {
376 msg("I get two for his heels");
377 win = chkscr(&cscore,2 );
378 }
379 }
380 else {
381 i = (rand() >> 4) % (CARDS - pos) + pos;
382 turnover = deck[i];
383 addmsg(quiet ? "I cut " : "I cut the ");
384 msgcard(turnover, FALSE);
385 endmsg();
386 if (turnover.rank == JACK) {
387 msg("You get two for his heels");
388 win = chkscr(&pscore, 2);
389 }
390 }
391 makeknown(&turnover, 1);
392 prcrib(mycrib, FALSE);
393 return win;
394 }
395
396 /*
397 * prcrib:
398 * Print out the turnover card with crib indicator
399 */
400 prcrib(mycrib, blank)
401 BOOLEAN mycrib, blank;
402 {
403 register int y, cardx;
404
405 if (mycrib)
406 cardx = CRIB_X;
407 else
408 cardx = 0;
409
410 mvaddstr(CRIB_Y, cardx + 1, "CRIB");
411 prcard(stdscr, CRIB_Y + 1, cardx, turnover, blank);
412
413 if (mycrib)
414 cardx = 0;
415 else
416 cardx = CRIB_X;
417
418 for (y = CRIB_Y; y <= CRIB_Y + 5; y++)
419 mvaddstr(y, cardx, " ");
420 }
421
422 /*
423 * peg:
424 * Handle all the pegging...
425 */
426
427 static CARD Table[14];
428
429 static int Tcnt;
430
431 peg(mycrib)
432 BOOLEAN mycrib;
433 {
434 static CARD ch[CINHAND], ph[CINHAND];
435 CARD crd;
436 register int i, j, k;
437 register int l;
438 register int cnum, pnum, sum;
439 register BOOLEAN myturn, mego, ugo, last, played;
440
441 cnum = pnum = CINHAND;
442 for (i = 0; i < CINHAND; i++) { /* make copies of hands */
443 ch[i] = chand[i];
444 ph[i] = phand[i];
445 }
446 Tcnt = 0; /* index to table of cards played */
447 sum = 0; /* sum of cards played */
448 mego = ugo = FALSE;
449 myturn = !mycrib;
450 for (;;) {
451 last = TRUE; /* enable last flag */
452 prhand(ph, pnum, Playwin, FALSE);
453 prhand(ch, cnum, Compwin, TRUE);
454 prtable(sum);
455 if (myturn) { /* my tyrn to play */
456 if (!anymove(ch, cnum, sum)) { /* if no card to play */
457 if (!mego && cnum) { /* go for comp? */
458 msg("GO");
459 mego = TRUE;
460 }
461 if (anymove(ph, pnum, sum)) /* can player move? */
462 myturn = !myturn;
463 else { /* give him his point */
464 msg(quiet ? "You get one" : "You get one point");
465 if (chkscr(&pscore, 1))
466 return TRUE;
467 sum = 0;
468 mego = ugo = FALSE;
469 Tcnt = 0;
470 }
471 }
472 else {
473 played = TRUE;
474 j = -1;
475 k = 0;
476 for (i = 0; i < cnum; i++) { /* maximize score */
477 l = pegscore(ch[i], Table, Tcnt, sum);
478 if (l > k) {
479 k = l;
480 j = i;
481 }
482 }
483 if (j < 0) /* if nothing scores */
484 j = cchose(ch, cnum, sum);
485 crd = ch[j];
486 cremove(crd, ch, cnum--);
487 sum += VAL(crd.rank);
488 Table[Tcnt++] = crd;
489 if (k > 0) {
490 addmsg(quiet ? "I get %d playing " :
491 "I get %d points playing ", k);
492 msgcard(crd, FALSE);
493 endmsg();
494 if (chkscr(&cscore, k))
495 return TRUE;
496 }
497 myturn = !myturn;
498 }
499 }
500 else {
501 if (!anymove(ph, pnum, sum)) { /* can player move? */
502 if (!ugo && pnum) { /* go for player */
503 msg("You have a GO");
504 ugo = TRUE;
505 }
506 if (anymove(ch, cnum, sum)) /* can computer play? */
507 myturn = !myturn;
508 else {
509 msg(quiet ? "I get one" : "I get one point");
510 do_wait();
511 if (chkscr(&cscore, 1))
512 return TRUE;
513 sum = 0;
514 mego = ugo = FALSE;
515 Tcnt = 0;
516 }
517 }
518 else { /* player plays */
519 played = FALSE;
520 if (pnum == 1) {
521 crd = ph[0];
522 msg("You play your last card");
523 }
524 else
525 for (;;) {
526 prhand(ph, pnum, Playwin, FALSE);
527 crd = ph[infrom(ph, pnum, "Your play: ")];
528 if (sum + VAL(crd.rank) <= 31)
529 break;
530 else
531 msg("Total > 31 -- try again");
532 }
533 makeknown(&crd, 1);
534 cremove(crd, ph, pnum--);
535 i = pegscore(crd, Table, Tcnt, sum);
536 sum += VAL(crd.rank);
537 Table[Tcnt++] = crd;
538 if (i > 0) {
539 msg(quiet ? "You got %d" : "You got %d points", i);
540 if (chkscr(&pscore, i))
541 return TRUE;
542 }
543 myturn = !myturn;
544 }
545 }
546 if (sum >= 31) {
547 if (!myturn)
548 do_wait();
549 sum = 0;
550 mego = ugo = FALSE;
551 Tcnt = 0;
552 last = FALSE; /* disable last flag */
553 }
554 if (!pnum && !cnum)
555 break; /* both done */
556 }
557 prhand(ph, pnum, Playwin, FALSE);
558 prhand(ch, cnum, Compwin, TRUE);
559 prtable(sum);
560 if (last)
561 if (played) {
562 msg(quiet ? "I get one for last" : "I get one point for last");
563 do_wait();
564 if (chkscr(&cscore, 1))
565 return TRUE;
566 }
567 else {
568 msg(quiet ? "You get one for last" :
569 "You get one point for last");
570 if (chkscr(&pscore, 1))
571 return TRUE;
572 }
573 return FALSE;
574 }
575
576 /*
577 * prtable:
578 * Print out the table with the current score
579 */
580 prtable(score)
581 int score;
582 {
583 prhand(Table, Tcnt, Tablewin, FALSE);
584 mvwprintw(Tablewin, (Tcnt + 2) * 2, Tcnt + 1, "%2d", score);
585 wrefresh(Tablewin);
586 }
587
588 /*
589 * score:
590 * Handle the scoring of the hands
591 */
592 score(mycrib)
593 BOOLEAN mycrib;
594 {
595 sorthand(crib, CINHAND);
596 if (mycrib) {
597 if (plyrhand(phand, "hand"))
598 return TRUE;
599 if (comphand(chand, "hand"))
600 return TRUE;
601 do_wait();
602 if (comphand(crib, "crib"))
603 return TRUE;
604 }
605 else {
606 if (comphand(chand, "hand"))
607 return TRUE;
608 if (plyrhand(phand, "hand"))
609 return TRUE;
610 if (plyrhand(crib, "crib"))
611 return TRUE;
612 }
613 return FALSE;
614 }
615