xref: /netbsd-src/games/mille/misc.c (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*
2  * Copyright (c) 1983, 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 
34 #ifndef lint
35 /*static char sccsid[] = "from: @(#)misc.c	8.1 (Berkeley) 5/31/93";*/
36 static char rcsid[] = "$Id: misc.c,v 1.3 1994/05/12 17:39:35 jtc Exp $";
37 #endif /* not lint */
38 
39 #include <sys/file.h>
40 #include <termios.h>
41 
42 #include	"mille.h"
43 #ifndef	unctrl
44 #include	"unctrl.h"
45 #endif
46 
47 
48 # ifdef	attron
49 #	include	<term.h>
50 #	define	_tty	cur_term->Nttyb
51 # endif	attron
52 
53 /*
54  * @(#)misc.c	1.2 (Berkeley) 3/28/83
55  */
56 
57 #define	NUMSAFE	4
58 
59 /* VARARGS1 */
60 error(str, arg)
61 char	*str;
62 {
63 	stdscr = Score;
64 	mvprintw(ERR_Y, ERR_X, str, arg);
65 	clrtoeol();
66 	putchar('\07');
67 	refresh();
68 	stdscr = Board;
69 	return FALSE;
70 }
71 
72 CARD
73 getcard()
74 {
75 	reg int		c, c1;
76 
77 	for (;;) {
78 		while ((c = readch()) == '\n' || c == '\r' || c == ' ')
79 			continue;
80 		if (islower(c))
81 			c = toupper(c);
82 		if (c == killchar() || c == erasechar())
83 			return -1;
84 		addstr(unctrl(c));
85 		clrtoeol();
86 		switch (c) {
87 		  case '1':	case '2':	case '3':
88 		  case '4':	case '5':	case '6':
89 			c -= '0';
90 			break;
91 		  case '0':	case 'P':	case 'p':
92 			c = 0;
93 			break;
94 		  default:
95 			putchar('\07');
96 			addch('\b');
97 			if (!isprint(c))
98 				addch('\b');
99 			c = -1;
100 			break;
101 		}
102 		refresh();
103 		if (c >= 0) {
104 			while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
105 				if (c1 == killchar())
106 					return -1;
107 				else if (c1 == erasechar()) {
108 					addch('\b');
109 					clrtoeol();
110 					refresh();
111 					goto cont;
112 				}
113 				else
114 					write(0, "\07", 1);
115 			return c;
116 		}
117 cont:		;
118 	}
119 }
120 
121 check_ext(forcomp)
122 reg bool	forcomp; {
123 
124 
125 	if (End == 700)
126 		if (Play == PLAYER) {
127 			if (getyn(EXTENSIONPROMPT)) {
128 extend:
129 				if (!forcomp)
130 					End = 1000;
131 				return TRUE;
132 			}
133 			else {
134 done:
135 				if (!forcomp)
136 					Finished = TRUE;
137 				return FALSE;
138 			}
139 		}
140 		else {
141 			reg PLAY	*pp, *op;
142 			reg int		i, safe, miles;
143 
144 			pp = &Player[COMP];
145 			op = &Player[PLAYER];
146 			for (safe = 0, i = 0; i < NUMSAFE; i++)
147 				if (pp->safety[i] != S_UNKNOWN)
148 					safe++;
149 			if (safe < 2)
150 				goto done;
151 			if (op->mileage == 0 || onecard(op)
152 			    || (op->can_go && op->mileage >= 500))
153 				goto done;
154 			for (miles = 0, i = 0; i < NUMSAFE; i++)
155 				if (op->safety[i] != S_PLAYED
156 				    && pp->safety[i] == S_UNKNOWN)
157 					miles++;
158 			if (miles + safe == NUMSAFE)
159 				goto extend;
160 			for (miles = 0, i = 0; i < HAND_SZ; i++)
161 				if ((safe = pp->hand[i]) <= C_200)
162 					miles += Value[safe];
163 			if (miles + (Topcard - Deck) * 3 > 1000)
164 				goto extend;
165 			goto done;
166 		}
167 	else
168 		goto done;
169 }
170 
171 /*
172  *	Get a yes or no answer to the given question.  Saves are
173  * also allowed.  Return TRUE if the answer was yes, FALSE if no.
174  */
175 getyn(promptno)
176 register int	promptno; {
177 
178 	reg char	c;
179 
180 	Saved = FALSE;
181 	for (;;) {
182 		leaveok(Board, FALSE);
183 		prompt(promptno);
184 		clrtoeol();
185 		refresh();
186 		switch (c = readch()) {
187 		  case 'n':	case 'N':
188 			addch('N');
189 			refresh();
190 			leaveok(Board, TRUE);
191 			return FALSE;
192 		  case 'y':	case 'Y':
193 			addch('Y');
194 			refresh();
195 			leaveok(Board, TRUE);
196 			return TRUE;
197 		  case 's':	case 'S':
198 			addch('S');
199 			refresh();
200 			Saved = save();
201 			continue;
202 		  case CTRL('L'):
203 			wrefresh(curscr);
204 			break;
205 		  default:
206 			addstr(unctrl(c));
207 			refresh();
208 			putchar('\07');
209 			break;
210 		}
211 	}
212 }
213 
214 /*
215  *	Check to see if more games are desired.  If not, and game
216  * came from a saved file, make sure that they don't want to restore
217  * it.  Exit appropriately.
218  */
219 check_more() {
220 
221 	On_exit = TRUE;
222 	if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000)
223 		if (getyn(ANOTHERGAMEPROMPT))
224 			return;
225 		else {
226 			/*
227 			 * must do accounting normally done in main()
228 			 */
229 			if (Player[PLAYER].total > Player[COMP].total)
230 				Player[PLAYER].games++;
231 			else if (Player[PLAYER].total < Player[COMP].total)
232 				Player[COMP].games++;
233 			Player[COMP].total = 0;
234 			Player[PLAYER].total = 0;
235 		}
236 	else
237 		if (getyn(ANOTHERHANDPROMPT))
238 			return;
239 	if (!Saved && getyn(SAVEGAMEPROMPT))
240 		if (!save())
241 			return;
242 	die(0);
243 }
244 
245 readch()
246 {
247 	reg int		cnt;
248 	static char	c;
249 
250 	for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
251 		if (cnt > 100)
252 			exit(1);
253 	return c;
254 }
255