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io.c revision 1.3 
      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 static char sccsid[] = "@(#)io.c	5.8 (Berkeley) 2/28/91";
     36 #endif /* not lint */
     37 
     38 # include	<curses.h>
     39 # include	<ctype.h>
     40 # include	<signal.h>
     41 # include	<stdarg.h>
     42 # include	"deck.h"
     43 # include	"cribbage.h"
     44 # include	"cribcur.h"
     45 
     46 # define	LINESIZE		128
     47 
     48 # ifdef CTRL
     49 # undef CTRL
     50 # endif
     51 # define	CTRL(X)			('X' - 'A' + 1)
     52 
     53 # ifdef	notdef				/* defined in curses.h */
     54 #	define	erasechar()	_tty.sg_erase
     55 #	define	killchar()	_tty.sg_kill
     56 # endif
     57 
     58 char		linebuf[ LINESIZE ];
     59 
     60 char		*rankname[ RANKS ]	= { "ACE", "TWO", "THREE", "FOUR",
     61 					    "FIVE", "SIX", "SEVEN", "EIGHT",
     62 					    "NINE", "TEN", "JACK", "QUEEN",
     63 					    "KING" };
     64 
     65 char            *rankchar[ RANKS ]      = { "A", "2", "3", "4", "5", "6", "7",
     66 					    "8", "9", "T", "J", "Q", "K" };
     67 
     68 char            *suitname[ SUITS ]      = { "SPADES", "HEARTS", "DIAMONDS",
     69 					    "CLUBS" };
     70 
     71 char            *suitchar[ SUITS ]      = { "S", "H", "D", "C" };
     72 
     73 
     74 
     75 /*
     76  * msgcard:
     77  *	Call msgcrd in one of two forms
     78  */
     79 msgcard(c, brief)
     80 CARD		c;
     81 BOOLEAN		brief;
     82 {
     83 	if (brief)
     84 		return msgcrd(c, TRUE, (char *) NULL, TRUE);
     85 	else
     86 		return msgcrd(c, FALSE, " of ", FALSE);
     87 }
     88 
     89 
     90 
     91 /*
     92  * msgcrd:
     93  *	Print the value of a card in ascii
     94  */
     95 msgcrd(c, brfrank, mid, brfsuit)
     96 CARD		c;
     97 char		*mid;
     98 BOOLEAN		brfrank,  brfsuit;
     99 {
    100 	if (c.rank == EMPTY || c.suit == EMPTY)
    101 	    return FALSE;
    102 	if (brfrank)
    103 	    addmsg("%1.1s", rankchar[c.rank]);
    104 	else
    105 	    addmsg(rankname[c.rank]);
    106 	if (mid != NULL)
    107 	    addmsg(mid);
    108 	if (brfsuit)
    109 	    addmsg("%1.1s", suitchar[c.suit]);
    110 	else
    111 	    addmsg(suitname[c.suit]);
    112 	return TRUE;
    113 }
    114 
    115 /*
    116  * printcard:
    117  *	Print out a card.
    118  */
    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 prcard(win, y, x, c, blank)
    133 WINDOW		*win;
    134 int		y, x;
    135 CARD		c;
    136 BOOLEAN		blank;
    137 {
    138 	if (c.rank == EMPTY)
    139 	    return;
    140 	mvwaddstr(win, y + 0, x, "+-----+");
    141 	mvwaddstr(win, y + 1, x, "|     |");
    142 	mvwaddstr(win, y + 2, x, "|     |");
    143 	mvwaddstr(win, y + 3, x, "|     |");
    144 	mvwaddstr(win, y + 4, x, "+-----+");
    145 	if (!blank) {
    146 		mvwaddch(win, y + 1, x + 1, rankchar[c.rank][0]);
    147 		waddch(win, suitchar[c.suit][0]);
    148 		mvwaddch(win, y + 3, x + 4, rankchar[c.rank][0]);
    149 		waddch(win, suitchar[c.suit][0]);
    150 	}
    151 }
    152 
    153 /*
    154  * prhand:
    155  *	Print a hand of n cards
    156  */
    157 prhand(h, n, win, blank)
    158 CARD		h[];
    159 int		n;
    160 WINDOW		*win;
    161 BOOLEAN		blank;
    162 {
    163 	register int	i;
    164 
    165 	werase(win);
    166 	for (i = 0; i < n; i++)
    167 	    printcard(win, i, *h++, blank);
    168 	wrefresh(win);
    169 }
    170 
    171 
    172 
    173 /*
    174  * infrom:
    175  *	reads a card, supposedly in hand, accepting unambigous brief
    176  *	input, returns the index of the card found...
    177  */
    178 infrom(hand, n, prompt)
    179 CARD		hand[];
    180 int		n;
    181 char		*prompt;
    182 {
    183 	register int           i, j;
    184 	CARD                    crd;
    185 
    186 	if (n < 1) {
    187 	    printf("\nINFROM: %d = n < 1!!\n", n);
    188 	    exit(74);
    189 	}
    190 	for (;;) {
    191 	    msg(prompt);
    192 	    if (incard(&crd)) {			/* if card is full card */
    193 		if (!isone(crd, hand, n))
    194 		    msg("That's not in your hand");
    195 		else {
    196 		    for (i = 0; i < n; i++)
    197 			if (hand[i].rank == crd.rank &&
    198 			    hand[i].suit == crd.suit)
    199 				break;
    200 		    if (i >= n) {
    201 			printf("\nINFROM: isone or something messed up\n");
    202 			exit(77);
    203 		    }
    204 		    return i;
    205 		}
    206 	    }
    207 	    else				/* if not full card... */
    208 		if (crd.rank != EMPTY) {
    209 		    for (i = 0; i < n; i++)
    210 			if (hand[i].rank == crd.rank)
    211 				break;
    212 		    if (i >= n)
    213 			msg("No such rank in your hand");
    214 		    else {
    215 			for (j = i + 1; j < n; j++)
    216 			    if (hand[j].rank == crd.rank)
    217 				break;
    218 			if (j < n)
    219 			    msg("Ambiguous rank");
    220 			else
    221 			    return i;
    222 		    }
    223 		}
    224 		else
    225 		    msg("Sorry, I missed that");
    226 	}
    227 	/* NOTREACHED */
    228 }
    229 
    230 
    231 
    232 /*
    233  * incard:
    234  *	Inputs a card in any format.  It reads a line ending with a CR
    235  *	and then parses it.
    236  */
    237 incard(crd)
    238 CARD		*crd;
    239 {
    240 	char		*getline();
    241 	register int	i;
    242 	int		rnk, sut;
    243 	char		*line, *p, *p1;
    244 	BOOLEAN		retval;
    245 
    246 	retval = FALSE;
    247 	rnk = sut = EMPTY;
    248 	if (!(line = getline()))
    249 		goto gotit;
    250 	p = p1 = line;
    251 	while(  *p1 != ' '  &&  *p1 != NULL  )  ++p1;
    252 	*p1++ = NULL;
    253 	if(  *p == NULL  )  goto  gotit;
    254 			/* IMPORTANT: no real card has 2 char first name */
    255 	if(  strlen(p) == 2  )  {               /* check for short form */
    256 	    rnk = EMPTY;
    257 	    for( i = 0; i < RANKS; i++ )  {
    258 		if(  *p == *rankchar[i]  )  {
    259 		    rnk = i;
    260 		    break;
    261 		}
    262 	    }
    263 	    if(  rnk == EMPTY  )  goto  gotit;     /* it's nothing... */
    264 	    ++p;                                /* advance to next char */
    265 	    sut = EMPTY;
    266 	    for( i = 0; i < SUITS; i++ )  {
    267 		if(  *p == *suitchar[i]  )  {
    268 		    sut = i;
    269 		    break;
    270 		}
    271 	    }
    272 	    if(  sut != EMPTY  )  retval = TRUE;
    273 	    goto  gotit;
    274 	}
    275 	rnk = EMPTY;
    276 	for( i = 0; i < RANKS; i++ )  {
    277 	    if(  !strcmp( p, rankname[i] )  ||  !strcmp( p, rankchar[i] )  )  {
    278 		rnk = i;
    279 		break;
    280 	    }
    281 	}
    282 	if(  rnk == EMPTY  )  goto  gotit;
    283 	p = p1;
    284 	while(  *p1 != ' '  &&  *p1 != NULL  )  ++p1;
    285 	*p1++ = NULL;
    286 	if(  *p == NULL  )  goto  gotit;
    287 	if(  !strcmp( "OF", p )  )  {
    288 	    p = p1;
    289 	    while(  *p1 != ' '  &&  *p1 != NULL  )  ++p1;
    290 	    *p1++ = NULL;
    291 	    if(  *p == NULL  )  goto  gotit;
    292 	}
    293 	sut = EMPTY;
    294 	for( i = 0; i < SUITS; i++ )  {
    295 	    if(  !strcmp( p, suitname[i] )  ||  !strcmp( p, suitchar[i] )  )  {
    296 		sut = i;
    297 		break;
    298 	    }
    299 	}
    300 	if(  sut != EMPTY  )  retval = TRUE;
    301 gotit:
    302 	(*crd).rank = rnk;
    303 	(*crd).suit = sut;
    304 	return( retval );
    305 }
    306 
    307 
    308 
    309 /*
    310  * getuchar:
    311  *	Reads and converts to upper case
    312  */
    313 getuchar()
    314 {
    315 	register int		c;
    316 
    317 	c = readchar();
    318 	if (islower(c))
    319 	    c = toupper(c);
    320 	waddch(Msgwin, c);
    321 	return c;
    322 }
    323 
    324 /*
    325  * number:
    326  *	Reads in a decimal number and makes sure it is between "lo" and
    327  *	"hi" inclusive.
    328  */
    329 number(lo, hi, prompt)
    330 int		lo, hi;
    331 char		*prompt;
    332 {
    333 	char			*getline();
    334 	register char		*p;
    335 	register int		sum;
    336 
    337 	sum = 0;
    338 	for (;;) {
    339 	    msg(prompt);
    340 	    if(!(p = getline()) || *p == NULL) {
    341 		msg(quiet ? "Not a number" : "That doesn't look like a number");
    342 		continue;
    343 	    }
    344 	    sum = 0;
    345 
    346 	    if (!isdigit(*p))
    347 		sum = lo - 1;
    348 	    else
    349 		while (isdigit(*p)) {
    350 		    sum = 10 * sum + (*p - '0');
    351 		    ++p;
    352 		}
    353 
    354 	    if (*p != ' ' && *p != '\t' && *p != NULL)
    355 		sum = lo - 1;
    356 	    if (sum >= lo && sum <= hi)
    357 		return sum;
    358 	    if (sum == lo - 1)
    359 		msg("that doesn't look like a number, try again --> ");
    360 	    else
    361 		msg("%d is not between %d and %d inclusive, try again --> ",
    362 								sum, lo, hi);
    363 	}
    364 }
    365 
    366 /*
    367  * msg:
    368  *	Display a message at the top of the screen.
    369  */
    370 char		Msgbuf[BUFSIZ] = { '\0' };
    371 
    372 int		Mpos = 0;
    373 
    374 static int	Newpos = 0;
    375 
    376 /* VARARGS1 */
    377 msg(fmt,ap)
    378 	char *fmt;
    379 	va_list ap;
    380 {
    381 	(void)vsprintf(&Msgbuf[Newpos], fmt, &ap);
    382 	endmsg();
    383 }
    384 
    385 /*
    386  * addmsg:
    387  *	Add things to the current message
    388  */
    389 /* VARARGS1 */
    390 addmsg(fmt,ap)
    391 	char *fmt;
    392 	va_list ap;
    393 {
    394 	(void)vsprintf(&Msgbuf[Newpos], fmt, &ap);
    395 }
    396 
    397 /*
    398  * endmsg:
    399  *	Display a new msg.
    400  */
    401 
    402 int	Lineno = 0;
    403 
    404 endmsg()
    405 {
    406     register int	len;
    407     register char	*mp, *omp;
    408     static int		lastline = 0;
    409 
    410     /*
    411      * All messages should start with uppercase
    412      */
    413     mvaddch(lastline + Y_MSG_START, SCORE_X, ' ');
    414     if (islower(Msgbuf[0]) && Msgbuf[1] != ')')
    415 	Msgbuf[0] = toupper(Msgbuf[0]);
    416     mp = Msgbuf;
    417     len = strlen(mp);
    418     if (len / MSG_X + Lineno >= MSG_Y) {
    419 	while (Lineno < MSG_Y) {
    420 	    wmove(Msgwin, Lineno++, 0);
    421 	    wclrtoeol(Msgwin);
    422 	}
    423 	Lineno = 0;
    424     }
    425     mvaddch(Lineno + Y_MSG_START, SCORE_X, '*');
    426     lastline = Lineno;
    427     do {
    428 	mvwaddstr(Msgwin, Lineno, 0, mp);
    429 	if ((len = strlen(mp)) > MSG_X) {
    430 	    omp = mp;
    431 	    for (mp = &mp[MSG_X-1]; *mp != ' '; mp--)
    432 	    	continue;
    433 	    while (*mp == ' ')
    434 		mp--;
    435 	    mp++;
    436 	    wmove(Msgwin, Lineno, mp - omp);
    437 	    wclrtoeol(Msgwin);
    438 	}
    439 	if (++Lineno >= MSG_Y)
    440 	    Lineno = 0;
    441     } while (len > MSG_X);
    442     wclrtoeol(Msgwin);
    443     Mpos = len;
    444     Newpos = 0;
    445     wrefresh(Msgwin);
    446     refresh();
    447     wrefresh(Msgwin);
    448 }
    449 
    450 #ifdef notdef
    451 /*
    452  * doadd:
    453  *	Perform an add onto the message buffer
    454  */
    455 doadd(fmt, args)
    456 char	*fmt;
    457 int	*args;
    458 {
    459     static FILE	junk;
    460 
    461     /*
    462      * Do the printf into Msgbuf
    463      */
    464     junk._flag = _IOWRT + _IOSTRG;
    465     junk._ptr = &Msgbuf[Newpos];
    466     junk._cnt = 32767;
    467     _doprnt(fmt, args, &junk);
    468     putc('\0', &junk);
    469     Newpos = strlen(Msgbuf);
    470 }
    471 #endif
    472 
    473 /*
    474  * do_wait:
    475  *	Wait for the user to type ' ' before doing anything else
    476  */
    477 do_wait()
    478 {
    479     register int line;
    480     static char prompt[] = { '-', '-', 'M', 'o', 'r', 'e', '-', '-', '\0' };
    481 
    482     if (Mpos + sizeof prompt < MSG_X)
    483 	wmove(Msgwin, Lineno > 0 ? Lineno - 1 : MSG_Y - 1, Mpos);
    484     else {
    485 	mvwaddch(Msgwin, Lineno, 0, ' ');
    486 	wclrtoeol(Msgwin);
    487 	if (++Lineno >= MSG_Y)
    488 	    Lineno = 0;
    489     }
    490     waddstr(Msgwin, prompt);
    491     wrefresh(Msgwin);
    492     wait_for(' ');
    493 }
    494 
    495 /*
    496  * wait_for
    497  *	Sit around until the guy types the right key
    498  */
    499 wait_for(ch)
    500 register char	ch;
    501 {
    502     register char	c;
    503 
    504     if (ch == '\n')
    505 	while ((c = readchar()) != '\n')
    506 	    continue;
    507     else
    508 	while (readchar() != ch)
    509 	    continue;
    510 }
    511 
    512 /*
    513  * readchar:
    514  *	Reads and returns a character, checking for gross input errors
    515  */
    516 readchar()
    517 {
    518     register int	cnt, y, x;
    519     auto char		c;
    520 
    521 over:
    522     cnt = 0;
    523     while (read(0, &c, 1) <= 0)
    524 	if (cnt++ > 100) {	/* if we are getting infinite EOFs */
    525 		bye();		/* quit the game */
    526 		exit(1);
    527 	}
    528     if (c == CTRL(L)) {
    529 	wrefresh(curscr);
    530 	goto over;
    531     }
    532     if (c == '\r')
    533 	return '\n';
    534     else
    535 	return c;
    536 }
    537 
    538 /*
    539  * getline:
    540  *      Reads the next line up to '\n' or EOF.  Multiple spaces are
    541  *	compressed to one space; a space is inserted before a ','
    542  */
    543 char *
    544 getline()
    545 {
    546     register char	*sp;
    547     register int	c, oy, ox;
    548     register WINDOW	*oscr;
    549 
    550     oscr = stdscr;
    551     stdscr = Msgwin;
    552     getyx(stdscr, oy, ox);
    553     refresh();
    554     /*
    555      * loop reading in the string, and put it in a temporary buffer
    556      */
    557     for (sp = linebuf; (c = readchar()) != '\n'; clrtoeol(), refresh()) {
    558 	if (c == -1)
    559 	    continue;
    560 	else if (c == erasechar()) {	/* process erase character */
    561 	    if (sp > linebuf) {
    562 		register int i;
    563 
    564 		sp--;
    565 		for (i = strlen(unctrl(*sp)); i; i--)
    566 		    addch('\b');
    567 	    }
    568 	    continue;
    569 	}
    570 	else if (c == killchar()) {	/* process kill character */
    571 	    sp = linebuf;
    572 	    move(oy, ox);
    573 	    continue;
    574 	}
    575 	else if (sp == linebuf && c == ' ')
    576 	    continue;
    577 	if (sp >= &linebuf[LINESIZE-1] || !(isprint(c) || c == ' '))
    578 	    putchar(CTRL(G));
    579 	else {
    580 	    if (islower(c))
    581 		c = toupper(c);
    582 	    *sp++ = c;
    583 	    addstr(unctrl(c));
    584 	    Mpos++;
    585 	}
    586     }
    587     *sp = '\0';
    588     stdscr = oscr;
    589     return linebuf;
    590 }
    591 
    592 rint()
    593 {
    594 	bye();
    595 	exit(1);
    596 }
    597 
    598 /*
    599  * bye:
    600  *	Leave the program, cleaning things up as we go.
    601  */
    602 bye()
    603 {
    604 	signal(SIGINT, SIG_IGN);
    605 	mvcur(0, COLS - 1, LINES - 1, 0);
    606 	fflush(stdout);
    607 	endwin();
    608 	putchar('\n');
    609 }
    610