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      1  1.10  dholland /*	$NetBSD: getguess.c,v 1.10 2012/10/13 21:01:13 dholland Exp $	*/
      2   1.5       cgd 
      3   1.1       cgd /*
      4   1.5       cgd  * Copyright (c) 1983, 1993
      5   1.5       cgd  *	The Regents of the University of California.  All rights reserved.
      6   1.1       cgd  *
      7   1.1       cgd  * Redistribution and use in source and binary forms, with or without
      8   1.1       cgd  * modification, are permitted provided that the following conditions
      9   1.1       cgd  * are met:
     10   1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     11   1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     12   1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     14   1.1       cgd  *    documentation and/or other materials provided with the distribution.
     15   1.8       agc  * 3. Neither the name of the University nor the names of its contributors
     16   1.1       cgd  *    may be used to endorse or promote products derived from this software
     17   1.1       cgd  *    without specific prior written permission.
     18   1.1       cgd  *
     19   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20   1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21   1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22   1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23   1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24   1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25   1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26   1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27   1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28   1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29   1.1       cgd  * SUCH DAMAGE.
     30   1.1       cgd  */
     31   1.1       cgd 
     32   1.7     lukem #include <sys/cdefs.h>
     33   1.1       cgd #ifndef lint
     34   1.5       cgd #if 0
     35   1.5       cgd static char sccsid[] = "@(#)getguess.c	8.1 (Berkeley) 5/31/93";
     36   1.5       cgd #else
     37  1.10  dholland __RCSID("$NetBSD: getguess.c,v 1.10 2012/10/13 21:01:13 dholland Exp $");
     38   1.5       cgd #endif
     39   1.1       cgd #endif /* not lint */
     40   1.1       cgd 
     41   1.5       cgd #include <sys/ttydefaults.h>
     42   1.5       cgd #include "hangman.h"
     43   1.1       cgd 
     44   1.1       cgd /*
     45   1.1       cgd  * getguess:
     46   1.1       cgd  *	Get another guess
     47   1.1       cgd  */
     48   1.7     lukem void
     49   1.9  dholland getguess(void)
     50   1.1       cgd {
     51   1.7     lukem 	int i;
     52   1.7     lukem 	int ch;
     53   1.7     lukem 	bool correct;
     54   1.1       cgd 
     55   1.1       cgd 	leaveok(stdscr, FALSE);
     56   1.1       cgd 	for (;;) {
     57   1.1       cgd 		move(PROMPTY, PROMPTX + sizeof "Guess: ");
     58   1.1       cgd 		refresh();
     59   1.1       cgd 		ch = readch();
     60   1.1       cgd 		if (isalpha(ch)) {
     61   1.1       cgd 			if (isupper(ch))
     62   1.1       cgd 				ch = tolower(ch);
     63   1.1       cgd 			if (Guessed[ch - 'a'])
     64   1.7     lukem 				mvprintw(MESGY, MESGX, "Already guessed '%c'",
     65   1.7     lukem 				    ch);
     66   1.1       cgd 			else
     67   1.1       cgd 				break;
     68   1.7     lukem 		} else
     69   1.7     lukem 			if (ch == CTRL('D'))
     70   1.7     lukem 				die(0);
     71   1.7     lukem 			else
     72   1.7     lukem 				mvprintw(MESGY, MESGX,
     73   1.7     lukem 				    "Not a valid guess: '%s'", unctrl(ch));
     74   1.1       cgd 	}
     75   1.1       cgd 	leaveok(stdscr, TRUE);
     76   1.1       cgd 	move(MESGY, MESGX);
     77   1.1       cgd 	clrtoeol();
     78   1.1       cgd 
     79  1.10  dholland 	Guessed[ch - 'a'] = true;
     80  1.10  dholland 	correct = false;
     81   1.1       cgd 	for (i = 0; Word[i] != '\0'; i++)
     82   1.1       cgd 		if (Word[i] == ch) {
     83   1.1       cgd 			Known[i] = ch;
     84  1.10  dholland 			correct = true;
     85   1.1       cgd 		}
     86   1.1       cgd 	if (!correct)
     87   1.1       cgd 		Errors++;
     88   1.1       cgd }
     89   1.1       cgd /*
     90   1.1       cgd  * readch;
     91   1.1       cgd  *	Read a character from the input
     92   1.1       cgd  */
     93   1.7     lukem int
     94   1.9  dholland readch(void)
     95   1.1       cgd {
     96   1.7     lukem 	int cnt;
     97   1.7     lukem 	char ch;
     98   1.1       cgd 
     99   1.1       cgd 	cnt = 0;
    100   1.1       cgd 	for (;;) {
    101   1.7     lukem 		if (read(0, &ch, sizeof ch) <= 0) {
    102   1.1       cgd 			if (++cnt > 100)
    103   1.7     lukem 				die(0);
    104   1.7     lukem 		} else
    105   1.7     lukem 			if (ch == CTRL('L')) {
    106   1.7     lukem 				wrefresh(curscr);
    107   1.7     lukem 			} else
    108   1.7     lukem 				return ch;
    109   1.1       cgd 	}
    110   1.1       cgd }
    111