xref: /netbsd-src/games/mille/misc.c (revision 2de962bd804263c16657f586aa00f1704045df8e)
1 /*	$NetBSD: misc.c,v 1.11 2003/08/07 09:37:25 agc Exp $	*/
2 
3 /*
4  * Copyright (c) 1983, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: misc.c,v 1.11 2003/08/07 09:37:25 agc Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include <sys/file.h>
42 #include <termios.h>
43 
44 #include <stdarg.h>
45 
46 #include	"mille.h"
47 #ifndef	unctrl
48 #include	"unctrl.h"
49 #endif
50 
51 
52 /*
53  * @(#)misc.c	1.2 (Berkeley) 3/28/83
54  */
55 
56 #define	NUMSAFE	4
57 
58 bool
59 error(const char *str, ...)
60 {
61 	va_list ap;
62 
63 	va_start(ap, str);
64 	wmove(Score, ERR_Y, ERR_X);
65 	vwprintw(Score, str, ap);
66 	wclrtoeol(Score);
67 	putchar('\07');
68 	refresh();
69 	va_end(ap);
70 	return FALSE;
71 }
72 
73 CARD
74 getcard()
75 {
76 	int	c, c1;
77 
78 	for (;;) {
79 		while ((c = readch()) == '\n' || c == '\r' || c == ' ')
80 			continue;
81 		if (islower(c))
82 			c = toupper(c);
83 		if (c == killchar() || c == erasechar())
84 			return -1;
85 		addstr(unctrl(c));
86 		clrtoeol();
87 		switch (c) {
88 		  case '1':	case '2':	case '3':
89 		  case '4':	case '5':	case '6':
90 			c -= '0';
91 			break;
92 		  case '0':	case 'P':	case 'p':
93 			c = 0;
94 			break;
95 		  default:
96 			putchar('\07');
97 			addch('\b');
98 			if (!isprint(c))
99 				addch('\b');
100 			c = -1;
101 			break;
102 		}
103 		refresh();
104 		if (c >= 0) {
105 			while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
106 				if (c1 == killchar())
107 					return -1;
108 				else if (c1 == erasechar()) {
109 					addch('\b');
110 					clrtoeol();
111 					refresh();
112 					goto cont;
113 				}
114 				else
115 					write(0, "\07", 1);
116 			return c;
117 		}
118 cont:		;
119 	}
120 }
121 
122 int
123 check_ext(forcomp)
124 	bool	forcomp;
125 {
126 
127 
128 	if (End == 700)
129 		if (Play == PLAYER) {
130 			if (getyn(EXTENSIONPROMPT)) {
131 extend:
132 				if (!forcomp)
133 					End = 1000;
134 				return TRUE;
135 			}
136 			else {
137 done:
138 				if (!forcomp)
139 					Finished = TRUE;
140 				return FALSE;
141 			}
142 		}
143 		else {
144 			PLAY	*pp, *op;
145 			int	i, safe, miles;
146 
147 			pp = &Player[COMP];
148 			op = &Player[PLAYER];
149 			for (safe = 0, i = 0; i < NUMSAFE; i++)
150 				if (pp->safety[i] != S_UNKNOWN)
151 					safe++;
152 			if (safe < 2)
153 				goto done;
154 			if (op->mileage == 0 || onecard(op)
155 			    || (op->can_go && op->mileage >= 500))
156 				goto done;
157 			for (miles = 0, i = 0; i < NUMSAFE; i++)
158 				if (op->safety[i] != S_PLAYED
159 				    && pp->safety[i] == S_UNKNOWN)
160 					miles++;
161 			if (miles + safe == NUMSAFE)
162 				goto extend;
163 			for (miles = 0, i = 0; i < HAND_SZ; i++)
164 				if ((safe = pp->hand[i]) <= C_200)
165 					miles += Value[safe];
166 			if (miles + (Topcard - Deck) * 3 > 1000)
167 				goto extend;
168 			goto done;
169 		}
170 	else
171 		goto done;
172 }
173 
174 /*
175  *	Get a yes or no answer to the given question.  Saves are
176  * also allowed.  Return TRUE if the answer was yes, FALSE if no.
177  */
178 int
179 getyn(promptno)
180 	int	promptno;
181 {
182 	char	c;
183 
184 	Saved = FALSE;
185 	for (;;) {
186 		leaveok(Board, FALSE);
187 		prompt(promptno);
188 		clrtoeol();
189 		refresh();
190 		switch (c = readch()) {
191 		  case 'n':	case 'N':
192 			addch('N');
193 			refresh();
194 			leaveok(Board, TRUE);
195 			return FALSE;
196 		  case 'y':	case 'Y':
197 			addch('Y');
198 			refresh();
199 			leaveok(Board, TRUE);
200 			return TRUE;
201 		  case 's':	case 'S':
202 			addch('S');
203 			refresh();
204 			Saved = save();
205 			continue;
206 		  case CTRL('L'):
207 			wrefresh(curscr);
208 			break;
209 		  default:
210 			addstr(unctrl(c));
211 			refresh();
212 			putchar('\07');
213 			break;
214 		}
215 	}
216 }
217 
218 /*
219  *	Check to see if more games are desired.  If not, and game
220  * came from a saved file, make sure that they don't want to restore
221  * it.  Exit appropriately.
222  */
223 void
224 check_more()
225 {
226 	On_exit = TRUE;
227 	if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000)
228 		if (getyn(ANOTHERGAMEPROMPT))
229 			return;
230 		else {
231 			/*
232 			 * must do accounting normally done in main()
233 			 */
234 			if (Player[PLAYER].total > Player[COMP].total)
235 				Player[PLAYER].games++;
236 			else if (Player[PLAYER].total < Player[COMP].total)
237 				Player[COMP].games++;
238 			Player[COMP].total = 0;
239 			Player[PLAYER].total = 0;
240 		}
241 	else
242 		if (getyn(ANOTHERHANDPROMPT))
243 			return;
244 	if (!Saved && getyn(SAVEGAMEPROMPT))
245 		if (!save())
246 			return;
247 	die(0);
248 }
249 
250 int
251 readch()
252 {
253 	int	cnt;
254 	static char	c;
255 
256 	for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
257 		if (cnt > 100)
258 			exit(1);
259 	return c;
260 }
261