build - Significantly improve parallel buildworld times
[dragonfly.git] / games / mille / misc.c
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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * @(#)misc.c   8.1 (Berkeley) 5/31/93
30  * $FreeBSD: src/games/mille/misc.c,v 1.8.2.1 2001/06/13 13:52:14 dwmalone Exp $
31  * $DragonFly: src/games/mille/misc.c,v 1.4 2006/08/27 17:17:23 pavalos Exp $
32  */
33
34 #include <sys/file.h>
35 #include <stdarg.h>
36 #include <termios.h>
37
38 #include "mille.h"
39 #include <term.h>
40
41 /*
42  * @(#)misc.c   1.2 (Berkeley) 3/28/83
43  */
44
45 #define NUMSAFE 4
46
47 bool
48 error(const char *str, ...)
49 {
50         va_list arg;
51
52         va_start(arg, str);
53         stdscr = Score;
54         move(ERR_Y, ERR_X);
55         vw_printw(stdscr, str, arg);
56         va_end(arg);
57         clrtoeol();
58         putchar('\07');
59         refresh();
60         stdscr = Board;
61         return FALSE;
62 }
63
64 CARD
65 getcard(void)
66 {
67         int     c, c1;
68
69         for (;;) {
70                 while ((c = readch()) == '\n' || c == '\r' || c == ' ')
71                         continue;
72                 if (islower(c))
73                         c = toupper(c);
74                 if (c == killchar() || c == erasechar())
75                         return -1;
76                 addstr(unctrl(c));
77                 clrtoeol();
78                 switch (c) {
79                   case '1':     case '2':       case '3':
80                   case '4':     case '5':       case '6':
81                         c -= '0';
82                         break;
83                   case '0':     case 'P':       case 'p':
84                         c = 0;
85                         break;
86                   default:
87                         putchar('\07');
88                         addch('\b');
89                         if (!isprint(c))
90                                 addch('\b');
91                         c = -1;
92                         break;
93                 }
94                 refresh();
95                 if (c >= 0) {
96                         while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
97                                 if (c1 == killchar())
98                                         return -1;
99                                 else if (c1 == erasechar()) {
100                                         addch('\b');
101                                         clrtoeol();
102                                         refresh();
103                                         goto cont;
104                                 }
105                                 else
106                                         write(0, "\07", 1);
107                         return c;
108                 }
109 cont:           ;
110         }
111 }
112
113 bool
114 check_ext(bool forcomp)
115 {
116
117
118         if (End == 700)
119                 if (Play == PLAYER) {
120                         if (getyn(EXTENSIONPROMPT)) {
121 extend:
122                                 if (!forcomp)
123                                         End = 1000;
124                                 return TRUE;
125                         }
126                         else {
127 done:
128                                 if (!forcomp)
129                                         Finished = TRUE;
130                                 return FALSE;
131                         }
132                 }
133                 else {
134                         PLAY    *pp, *op;
135                         int     i, safe, miles;
136
137                         pp = &Player[COMP];
138                         op = &Player[PLAYER];
139                         for (safe = 0, i = 0; i < NUMSAFE; i++)
140                                 if (pp->safety[i] != S_UNKNOWN)
141                                         safe++;
142                         if (safe < 2)
143                                 goto done;
144                         if (op->mileage == 0 || onecard(op)
145                             || (op->can_go && op->mileage >= 500))
146                                 goto done;
147                         for (miles = 0, i = 0; i < NUMSAFE; i++)
148                                 if (op->safety[i] != S_PLAYED
149                                     && pp->safety[i] == S_UNKNOWN)
150                                         miles++;
151                         if (miles + safe == NUMSAFE)
152                                 goto extend;
153                         for (miles = 0, i = 0; i < HAND_SZ; i++)
154                                 if ((safe = pp->hand[i]) <= C_200)
155                                         miles += Value[safe];
156                         if (miles + (Topcard - Deck) * 3 > 1000)
157                                 goto extend;
158                         goto done;
159                 }
160         else
161                 goto done;
162 }
163
164 /*
165  *      Get a yes or no answer to the given question.  Saves are
166  * also allowed.  Return TRUE if the answer was yes, FALSE if no.
167  */
168 bool
169 getyn(int promptno)
170 {
171         char    c;
172
173         Saved = FALSE;
174         for (;;) {
175                 leaveok(Board, FALSE);
176                 prompt(promptno);
177                 clrtoeol();
178                 refresh();
179                 switch (c = readch()) {
180                   case 'n':     case 'N':
181                         addch('N');
182                         refresh();
183                         leaveok(Board, TRUE);
184                         return FALSE;
185                   case 'y':     case 'Y':
186                         addch('Y');
187                         refresh();
188                         leaveok(Board, TRUE);
189                         return TRUE;
190                   case 's':     case 'S':
191                         addch('S');
192                         refresh();
193                         Saved = save();
194                         continue;
195                   case CTRL('L'):
196                         wrefresh(curscr);
197                         break;
198                   default:
199                         addstr(unctrl(c));
200                         refresh();
201                         putchar('\07');
202                         break;
203                 }
204         }
205 }
206
207 /*
208  *      Check to see if more games are desired.  If not, and game
209  * came from a saved file, make sure that they don't want to restore
210  * it.  Exit appropriately.
211  */
212 void
213 check_more(void)
214 {
215         On_exit = TRUE;
216         if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000)
217                 if (getyn(ANOTHERGAMEPROMPT))
218                         return;
219                 else {
220                         /*
221                          * must do accounting normally done in main()
222                          */
223                         if (Player[PLAYER].total > Player[COMP].total)
224                                 Player[PLAYER].games++;
225                         else if (Player[PLAYER].total < Player[COMP].total)
226                                 Player[COMP].games++;
227                         Player[COMP].total = 0;
228                         Player[PLAYER].total = 0;
229                 }
230         else
231                 if (getyn(ANOTHERHANDPROMPT))
232                         return;
233         if (!Saved && getyn(SAVEGAMEPROMPT))
234                 if (!save())
235                         return;
236         die(0);
237 }
238
239 char
240 readch(void)
241 {
242         int     cnt;
243         static char     c;
244
245         for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
246                 if (cnt > 100)
247                         exit(1);
248         return c;
249 }