xref: /dragonfly/games/cribbage/io.c (revision 1bf4b486)
1 /*-
2  * Copyright (c) 1980, 1993
3  *	The Regents of the University of California.  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  * @(#)io.c	8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/cribbage/io.c,v 1.5.2.2 2001/02/18 02:20:31 kris Exp $
35  * $DragonFly: src/games/cribbage/io.c,v 1.3 2004/07/27 07:37:39 asmodai Exp $
36  */
37 
38 #include <ctype.h>
39 #include <curses.h>
40 #include <signal.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <termios.h>
44 #include <unistd.h>
45 
46 #include <stdarg.h>
47 
48 #include "deck.h"
49 #include "cribbage.h"
50 #include "cribcur.h"
51 
52 #define	LINESIZE		128
53 
54 #ifdef CTRL
55 #undef CTRL
56 #endif
57 #define	CTRL(X)			(X - 'A' + 1)
58 
59 char    linebuf[LINESIZE];
60 
61 char   *rankname[RANKS] = {
62 	"ACE", "TWO", "THREE", "FOUR", "FIVE", "SIX", "SEVEN",
63 	"EIGHT", "NINE", "TEN", "JACK", "QUEEN", "KING"
64 };
65 
66 char   *rankchar[RANKS] = {
67 	"A", "2", "3", "4", "5", "6", "7", "8", "9", "T", "J", "Q", "K"
68 };
69 
70 char   *suitname[SUITS] = {"SPADES", "HEARTS", "DIAMONDS", "CLUBS"};
71 
72 char   *suitchar[SUITS] = {"S", "H", "D", "C"};
73 
74 /*
75  * msgcard:
76  *	Call msgcrd in one of two forms
77  */
78 int
79 msgcard(c, brief)
80 	CARD c;
81 	BOOLEAN brief;
82 {
83 	if (brief)
84 		return (msgcrd(c, TRUE, NULL, TRUE));
85 	else
86 		return (msgcrd(c, FALSE, " of ", FALSE));
87 }
88 
89 /*
90  * msgcrd:
91  *	Print the value of a card in ascii
92  */
93 int
94 msgcrd(c, brfrank, mid, brfsuit)
95 	CARD c;
96 	BOOLEAN brfrank, brfsuit;
97 	char *mid;
98 {
99 	if (c.rank == EMPTY || c.suit == EMPTY)
100 		return (FALSE);
101 	if (brfrank)
102 		addmsg("%1.1s", rankchar[c.rank]);
103 	else
104 		addmsg("%s", rankname[c.rank]);
105 	if (mid != NULL)
106 		addmsg("%s", mid);
107 	if (brfsuit)
108 		addmsg("%1.1s", suitchar[c.suit]);
109 	else
110 		addmsg("%s", suitname[c.suit]);
111 	return (TRUE);
112 }
113 
114 /*
115  * printcard:
116  *	Print out a card.
117  */
118 void
119 printcard(win, cardno, c, blank)
120 	WINDOW *win;
121 	int     cardno;
122 	CARD    c;
123 	BOOLEAN blank;
124 {
125 	prcard(win, cardno * 2, cardno, c, blank);
126 }
127 
128 /*
129  * prcard:
130  *	Print out a card on the window at the specified location
131  */
132 void
133 prcard(win, y, x, c, blank)
134 	WINDOW *win;
135 	int y, x;
136 	CARD c;
137 	BOOLEAN blank;
138 {
139 	if (c.rank == EMPTY)
140 		return;
141 
142 	mvwaddstr(win, y + 0, x, "+-----+");
143 	mvwaddstr(win, y + 1, x, "|     |");
144 	mvwaddstr(win, y + 2, x, "|     |");
145 	mvwaddstr(win, y + 3, x, "|     |");
146 	mvwaddstr(win, y + 4, x, "+-----+");
147 	if (!blank) {
148 		mvwaddch(win, y + 1, x + 1, rankchar[c.rank][0]);
149 		waddch(win, suitchar[c.suit][0]);
150 		mvwaddch(win, y + 3, x + 4, rankchar[c.rank][0]);
151 		waddch(win, suitchar[c.suit][0]);
152 	}
153 }
154 
155 /*
156  * prhand:
157  *	Print a hand of n cards
158  */
159 void
160 prhand(h, n, win, blank)
161 	CARD h[];
162 	int n;
163 	WINDOW *win;
164 	BOOLEAN blank;
165 {
166 	int i;
167 
168 	werase(win);
169 	for (i = 0; i < n; i++)
170 		printcard(win, i, *h++, blank);
171 	wrefresh(win);
172 }
173 
174 /*
175  * infrom:
176  *	reads a card, supposedly in hand, accepting unambigous brief
177  *	input, returns the index of the card found...
178  */
179 int
180 infrom(hand, n, prompt)
181 	CARD hand[];
182 	int n;
183 	char *prompt;
184 {
185 	int i, j;
186 	CARD crd;
187 
188 	if (n < 1) {
189 		printf("\nINFROM: %d = n < 1!!\n", n);
190 		exit(74);
191 	}
192 	for (;;) {
193 		msg("%s", prompt);
194 		if (incard(&crd)) {	/* if card is full card */
195 			if (!isone(crd, hand, n))
196 				msg("That's not in your hand");
197 			else {
198 				for (i = 0; i < n; i++)
199 					if (hand[i].rank == crd.rank &&
200 					    hand[i].suit == crd.suit)
201 						break;
202 				if (i >= n) {
203 			printf("\nINFROM: isone or something messed up\n");
204 					exit(77);
205 				}
206 				return (i);
207 			}
208 		} else			/* if not full card... */
209 			if (crd.rank != EMPTY) {
210 				for (i = 0; i < n; i++)
211 					if (hand[i].rank == crd.rank)
212 						break;
213 				if (i >= n)
214 					msg("No such rank in your hand");
215 				else {
216 					for (j = i + 1; j < n; j++)
217 						if (hand[j].rank == crd.rank)
218 							break;
219 					if (j < n)
220 						msg("Ambiguous rank");
221 					else
222 						return (i);
223 				}
224 			} else
225 				msg("Sorry, I missed that");
226 	}
227 	/* NOTREACHED */
228 }
229 
230 /*
231  * incard:
232  *	Inputs a card in any format.  It reads a line ending with a CR
233  *	and then parses it.
234  */
235 int
236 incard(crd)
237 	CARD *crd;
238 {
239 	int i;
240 	int rnk, sut;
241 	char *line, *p, *p1;
242 	BOOLEAN retval;
243 
244 	retval = FALSE;
245 	rnk = sut = EMPTY;
246 	if (!(line = getline()))
247 		goto gotit;
248 	p = p1 = line;
249 	while (*p1 != ' ' && *p1 != '\0')
250 		++p1;
251 	*p1++ = '\0';
252 	if (*p == '\0')
253 		goto gotit;
254 
255 	/* IMPORTANT: no real card has 2 char first name */
256 	if (strlen(p) == 2) {	/* check for short form */
257 		rnk = EMPTY;
258 		for (i = 0; i < RANKS; i++) {
259 			if (*p == *rankchar[i]) {
260 				rnk = i;
261 				break;
262 			}
263 		}
264 		if (rnk == EMPTY)
265 			goto gotit;	/* it's nothing... */
266 		++p;		/* advance to next char */
267 		sut = EMPTY;
268 		for (i = 0; i < SUITS; i++) {
269 			if (*p == *suitchar[i]) {
270 				sut = i;
271 				break;
272 			}
273 		}
274 		if (sut != EMPTY)
275 			retval = TRUE;
276 		goto gotit;
277 	}
278 	rnk = EMPTY;
279 	for (i = 0; i < RANKS; i++) {
280 		if (!strcmp(p, rankname[i]) || !strcmp(p, rankchar[i])) {
281 			rnk = i;
282 			break;
283 		}
284 	}
285 	if (rnk == EMPTY)
286 		goto gotit;
287 	p = p1;
288 	while (*p1 != ' ' && *p1 != '\0')
289 		++p1;
290 	*p1++ = '\0';
291 	if (*p == '\0')
292 		goto gotit;
293 	if (!strcmp("OF", p)) {
294 		p = p1;
295 		while (*p1 != ' ' && *p1 != '\0')
296 			++p1;
297 		*p1++ = '\0';
298 		if (*p == '\0')
299 			goto gotit;
300 	}
301 	sut = EMPTY;
302 	for (i = 0; i < SUITS; i++) {
303 		if (!strcmp(p, suitname[i]) || !strcmp(p, suitchar[i])) {
304 			sut = i;
305 			break;
306 		}
307 	}
308 	if (sut != EMPTY)
309 		retval = TRUE;
310 gotit:
311 	(*crd).rank = rnk;
312 	(*crd).suit = sut;
313 	return (retval);
314 }
315 
316 /*
317  * getuchar:
318  *	Reads and converts to upper case
319  */
320 int
321 getuchar()
322 {
323 	int c;
324 
325 	c = readchar();
326 	if (islower(c))
327 		c = toupper(c);
328 	waddch(Msgwin, c);
329 	return (c);
330 }
331 
332 /*
333  * number:
334  *	Reads in a decimal number and makes sure it is between "lo" and
335  *	"hi" inclusive.
336  */
337 int
338 number(lo, hi, prompt)
339 	int lo, hi;
340 	char *prompt;
341 {
342 	char *p;
343 	int sum;
344 
345 	for (sum = 0;;) {
346 		msg("%s", prompt);
347 		if (!(p = getline()) || *p == '\0') {
348 			msg(quiet ? "Not a number" :
349 			    "That doesn't look like a number");
350 			continue;
351 		}
352 		sum = 0;
353 
354 		if (!isdigit(*p))
355 			sum = lo - 1;
356 		else
357 			while (isdigit(*p)) {
358 				sum = 10 * sum + (*p - '0');
359 				++p;
360 			}
361 
362 		if (*p != ' ' && *p != '\t' && *p != '\0')
363 			sum = lo - 1;
364 		if (sum >= lo && sum <= hi)
365 			break;
366 		if (sum == lo - 1)
367 			msg("that doesn't look like a number, try again --> ");
368 		else
369 		msg("%d is not between %d and %d inclusive, try again --> ",
370 			    sum, lo, hi);
371 	}
372 	return (sum);
373 }
374 
375 /*
376  * msg:
377  *	Display a message at the top of the screen.
378  */
379 char    Msgbuf[BUFSIZ] = {'\0'};
380 int     Mpos = 0;
381 static int Newpos = 0;
382 
383 void
384 msg(const char *fmt, ...)
385 {
386 	va_list ap;
387 
388 	va_start(ap, fmt);
389 	(void)vsprintf(&Msgbuf[Newpos], fmt, ap);
390 	va_end(ap);
391 	endmsg();
392 }
393 
394 /*
395  * addmsg:
396  *	Add things to the current message
397  */
398 void
399 addmsg(const char *fmt, ...)
400 {
401 	va_list ap;
402 
403 	va_start(ap, fmt);
404 	(void)vsprintf(&Msgbuf[Newpos], fmt, ap);
405 	va_end(ap);
406 }
407 
408 /*
409  * endmsg:
410  *	Display a new msg.
411  */
412 int     Lineno = 0;
413 
414 void
415 endmsg()
416 {
417 	static int lastline = 0;
418 	int len;
419 	char *mp, *omp;
420 
421 	/* All messages should start with uppercase */
422 	mvaddch(lastline + Y_MSG_START, SCORE_X, ' ');
423 	if (islower(Msgbuf[0]) && Msgbuf[1] != ')')
424 		Msgbuf[0] = toupper(Msgbuf[0]);
425 	mp = Msgbuf;
426 	len = strlen(mp);
427 	if (len / MSG_X + Lineno >= MSG_Y) {
428 		while (Lineno < MSG_Y) {
429 			wmove(Msgwin, Lineno++, 0);
430 			wclrtoeol(Msgwin);
431 		}
432 		Lineno = 0;
433 	}
434 	mvaddch(Lineno + Y_MSG_START, SCORE_X, '*');
435 	lastline = Lineno;
436 	do {
437 		mvwaddstr(Msgwin, Lineno, 0, mp);
438 		if ((len = strlen(mp)) > MSG_X) {
439 			omp = mp;
440 			for (mp = &mp[MSG_X - 1]; *mp != ' '; mp--)
441 				continue;
442 			while (*mp == ' ')
443 				mp--;
444 			mp++;
445 			wmove(Msgwin, Lineno, mp - omp);
446 			wclrtoeol(Msgwin);
447 		}
448 		if (++Lineno >= MSG_Y)
449 			Lineno = 0;
450 	} while (len > MSG_X);
451 	wclrtoeol(Msgwin);
452 	Mpos = len;
453 	Newpos = 0;
454 	wrefresh(Msgwin);
455 	refresh();
456 	wrefresh(Msgwin);
457 }
458 
459 /*
460  * do_wait:
461  *	Wait for the user to type ' ' before doing anything else
462  */
463 void
464 do_wait()
465 {
466 	static char prompt[] = {'-', '-', 'M', 'o', 'r', 'e', '-', '-', '\0'};
467 
468 	if (Mpos + sizeof prompt < MSG_X)
469 		wmove(Msgwin, Lineno > 0 ? Lineno - 1 : MSG_Y - 1, Mpos);
470 	else {
471 		mvwaddch(Msgwin, Lineno, 0, ' ');
472 		wclrtoeol(Msgwin);
473 		if (++Lineno >= MSG_Y)
474 			Lineno = 0;
475 	}
476 	waddstr(Msgwin, prompt);
477 	wrefresh(Msgwin);
478 	wait_for(' ');
479 }
480 
481 /*
482  * wait_for
483  *	Sit around until the guy types the right key
484  */
485 void
486 wait_for(ch)
487 	int ch;
488 {
489 	char c;
490 
491 	if (ch == '\n')
492 		while ((c = readchar()) != '\n')
493 			continue;
494 	else
495 		while (readchar() != ch)
496 			continue;
497 }
498 
499 /*
500  * readchar:
501  *	Reads and returns a character, checking for gross input errors
502  */
503 int
504 readchar()
505 {
506 	int cnt;
507 	char c;
508 
509 over:
510 	cnt = 0;
511 	while (read(STDIN_FILENO, &c, sizeof(char)) <= 0)
512 		if (cnt++ > 100) {	/* if we are getting infinite EOFs */
513 			bye();		/* quit the game */
514 			exit(1);
515 		}
516 	if (c == CTRL('L')) {
517 		wrefresh(curscr);
518 		goto over;
519 	}
520 	if (c == '\r')
521 		return ('\n');
522 	else
523 		return (c);
524 }
525 
526 /*
527  * getline:
528  *      Reads the next line up to '\n' or EOF.  Multiple spaces are
529  *	compressed to one space; a space is inserted before a ','
530  */
531 char *
532 getline()
533 {
534 	char *sp;
535 	int c, oy, ox;
536 	WINDOW *oscr;
537 
538 	oscr = stdscr;
539 	stdscr = Msgwin;
540 	getyx(stdscr, oy, ox);
541 	refresh();
542 	/* loop reading in the string, and put it in a temporary buffer */
543 	for (sp = linebuf; (c = readchar()) != '\n'; clrtoeol(), refresh()) {
544 		if (c == -1)
545 			continue;
546 		else
547 			if (c == erasechar()) {	/* process erase character */
548 				if (sp > linebuf) {
549 					int i;
550 
551 					sp--;
552 					for (i = strlen(unctrl(*sp)); i; i--)
553 						addch('\b');
554 				}
555 				continue;
556 			} else
557 				if (c == killchar()) {	/* process kill
558 							 * character */
559 					sp = linebuf;
560 					move(oy, ox);
561 					continue;
562 				} else
563 					if (sp == linebuf && c == ' ')
564 						continue;
565 		if (sp >= &linebuf[LINESIZE - 1] || !(isprint(c) || c == ' '))
566 			putchar(CTRL('G'));
567 		else {
568 			if (islower(c))
569 				c = toupper(c);
570 			*sp++ = c;
571 			addstr(unctrl(c));
572 			Mpos++;
573 		}
574 	}
575 	*sp = '\0';
576 	stdscr = oscr;
577 	return (linebuf);
578 }
579 
580 void
581 rint(signo)
582 	int signo;
583 {
584 	bye();
585 	exit(1);
586 }
587 
588 /*
589  * bye:
590  *	Leave the program, cleaning things up as we go.
591  */
592 void
593 bye()
594 {
595 	signal(SIGINT, SIG_IGN);
596 	mvcur(0, COLS - 1, LINES - 1, 0);
597 	fflush(stdout);
598 	endwin();
599 	putchar('\n');
600 }
601