1 /* $OpenBSD: misc.c,v 1.14 2023/10/10 09:42:56 tb Exp $ */
2 /* $NetBSD: misc.c,v 1.4 1995/03/24 05:01:54 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <ctype.h>
34 #include <unistd.h>
35
36 #include "mille.h"
37
38 /*
39 * @(#)misc.c 1.2 (Berkeley) 3/28/83
40 */
41
42 #define NUMSAFE 4
43
44 bool
error(char * str,...)45 error(char *str, ...)
46 {
47 va_list ap;
48
49 va_start(ap, str);
50 wmove(Score, ERR_Y, ERR_X);
51 vw_printw(Score, str, ap);
52 wclrtoeol(Score);
53 beep();
54 refresh();
55 va_end(ap);
56 return FALSE;
57 }
58
59 CARD
getcard(void)60 getcard(void)
61 {
62 int c, c1;
63
64 for (;;) {
65 while ((c = readch()) == '\n' || c == '\r' || c == ' ')
66 continue;
67 if (islower(c))
68 c = toupper(c);
69 if (c == killchar() || c == erasechar())
70 return -1;
71 addstr(unctrl(c));
72 clrtoeol();
73 switch (c) {
74 case '1': case '2': case '3':
75 case '4': case '5': case '6':
76 c -= '0';
77 break;
78 case '0': case 'P': case 'p':
79 c = 0;
80 break;
81 default:
82 beep();
83 addch('\b');
84 if (!isprint(c))
85 addch('\b');
86 c = -1;
87 break;
88 }
89 refresh();
90 if (c >= 0) {
91 while ((c1 = readch()) != '\r' && c1 != '\n' && c1 != ' ')
92 if (c1 == killchar())
93 return -1;
94 else if (c1 == erasechar()) {
95 addch('\b');
96 clrtoeol();
97 refresh();
98 goto cont;
99 }
100 else
101 beep();
102 return c;
103 }
104 cont: ;
105 }
106 }
107
108 int
check_ext(bool forcomp)109 check_ext(bool forcomp)
110 {
111 if (End == 700) {
112 if (Play == PLAYER) {
113 if (getyn(EXTENSIONPROMPT)) {
114 extend:
115 if (!forcomp)
116 End = 1000;
117 return TRUE;
118 } else {
119 done:
120 if (!forcomp)
121 Finished = TRUE;
122 return FALSE;
123 }
124 } else {
125 PLAY *pp, *op;
126 int i, safe, miles;
127
128 pp = &Player[COMP];
129 op = &Player[PLAYER];
130 for (safe = 0, i = 0; i < NUMSAFE; i++)
131 if (pp->safety[i] != S_UNKNOWN)
132 safe++;
133 if (safe < 2)
134 goto done;
135 if (op->mileage == 0 || onecard(op)
136 || (op->can_go && op->mileage >= 500))
137 goto done;
138 for (miles = 0, i = 0; i < NUMSAFE; i++)
139 if (op->safety[i] != S_PLAYED
140 && pp->safety[i] == S_UNKNOWN)
141 miles++;
142 if (miles + safe == NUMSAFE)
143 goto extend;
144 for (miles = 0, i = 0; i < HAND_SZ; i++)
145 if ((safe = pp->hand[i]) <= C_200)
146 miles += Value[safe];
147 if (miles + (Topcard - Deck) * 3 > 1000)
148 goto extend;
149 goto done;
150 }
151 } else
152 goto done;
153 }
154
155 /*
156 * Get a yes or no answer to the given question. Saves are
157 * also allowed. Return TRUE if the answer was yes, FALSE if no.
158 */
159 int
getyn(int promptno)160 getyn(int promptno)
161 {
162 char c;
163
164 Saved = FALSE;
165 for (;;) {
166 leaveok(Board, FALSE);
167 prompt(promptno);
168 clrtoeol();
169 refresh();
170 switch (c = readch()) {
171 case 'n': case 'N':
172 addch('N');
173 refresh();
174 leaveok(Board, TRUE);
175 return FALSE;
176 case 'y': case 'Y':
177 addch('Y');
178 refresh();
179 leaveok(Board, TRUE);
180 return TRUE;
181 case 's': case 'S':
182 addch('S');
183 refresh();
184 Saved = save();
185 continue;
186 case CTRL('L'):
187 wrefresh(curscr);
188 break;
189 default:
190 addstr(unctrl(c));
191 refresh();
192 beep();
193 break;
194 }
195 }
196 }
197
198 /*
199 * Check to see if more games are desired. If not, and game
200 * came from a saved file, make sure that they don't want to restore
201 * it. Exit appropriately.
202 */
203 void
check_more(void)204 check_more(void)
205 {
206 On_exit = TRUE;
207 if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000) {
208 if (getyn(ANOTHERGAMEPROMPT))
209 return;
210 else {
211 /*
212 * must do accounting normally done in main()
213 */
214 if (Player[PLAYER].total > Player[COMP].total)
215 Player[PLAYER].games++;
216 else if (Player[PLAYER].total < Player[COMP].total)
217 Player[COMP].games++;
218 Player[COMP].total = 0;
219 Player[PLAYER].total = 0;
220 }
221 } else
222 if (getyn(ANOTHERHANDPROMPT))
223 return;
224 if (!Saved && getyn(SAVEGAMEPROMPT))
225 if (!save())
226 return;
227 die(0);
228 }
229
230 int
readch(void)231 readch(void)
232 {
233 int cnt;
234 static char c;
235
236 for (cnt = 0; read(STDIN_FILENO, &c, 1) <= 0; cnt++)
237 if (cnt > 100)
238 die(1);
239 return c;
240 }
241