7f02f6d1c1eb9e91bf889add22830a8ec5ce6bc7
[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. 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  * @(#)misc.c   8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/mille/misc.c,v 1.8.2.1 2001/06/13 13:52:14 dwmalone Exp $
35  * $DragonFly: src/games/mille/misc.c,v 1.4 2006/08/27 17:17:23 pavalos Exp $
36  */
37
38 #include <sys/file.h>
39 #include <stdarg.h>
40 #include <termios.h>
41
42 #include        "mille.h"
43
44
45 # ifdef attron
46 #       include <term.h>
47 #       define  _tty    cur_term->Nttyb
48 # endif /* attron */
49
50 /*
51  * @(#)misc.c   1.2 (Berkeley) 3/28/83
52  */
53
54 #define NUMSAFE 4
55
56 /* VARARGS1 */
57 bool
58 error(const char *str, ...)
59 {
60         va_list arg;
61
62         va_start(arg, str);
63         stdscr = Score;
64         move(ERR_Y, ERR_X);
65         vw_printw(stdscr, str, arg);
66         va_end(arg);
67         clrtoeol();
68         putchar('\07');
69         refresh();
70         stdscr = Board;
71         return FALSE;
72 }
73
74 CARD
75 getcard(void)
76 {
77         int             c, c1;
78
79         for (;;) {
80                 while ((c = readch()) == '\n' || c == '\r' || c == ' ')
81                         continue;
82                 if (islower(c))
83                         c = toupper(c);
84                 if (c == killchar() || c == erasechar())
85                         return -1;
86                 addstr(unctrl(c));
87                 clrtoeol();
88                 switch (c) {
89                   case '1':     case '2':       case '3':
90                   case '4':     case '5':       case '6':
91                         c -= '0';
92                         break;
93                   case '0':     case 'P':       case 'p':
94                         c = 0;
95                         break;
96                   default:
97                         putchar('\07');
98                         addch('\b');
99                         if (!isprint(c))
100                                 addch('\b');
101                         c = -1;
102                         break;
103                 }
104                 refresh();
105                 if (c >= 0) {
106                         while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
107                                 if (c1 == killchar())
108                                         return -1;
109                                 else if (c1 == erasechar()) {
110                                         addch('\b');
111                                         clrtoeol();
112                                         refresh();
113                                         goto cont;
114                                 }
115                                 else
116                                         write(0, "\07", 1);
117                         return c;
118                 }
119 cont:           ;
120         }
121 }
122
123 bool
124 check_ext(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 bool
179 getyn(int promptno)
180 {
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(void)
225 {
226
227         On_exit = TRUE;
228         if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000)
229                 if (getyn(ANOTHERGAMEPROMPT))
230                         return;
231                 else {
232                         /*
233                          * must do accounting normally done in main()
234                          */
235                         if (Player[PLAYER].total > Player[COMP].total)
236                                 Player[PLAYER].games++;
237                         else if (Player[PLAYER].total < Player[COMP].total)
238                                 Player[COMP].games++;
239                         Player[COMP].total = 0;
240                         Player[PLAYER].total = 0;
241                 }
242         else
243                 if (getyn(ANOTHERHANDPROMPT))
244                         return;
245         if (!Saved && getyn(SAVEGAMEPROMPT))
246                 if (!save())
247                         return;
248         die(0);
249 }
250
251 char
252 readch(void)
253 {
254         int             cnt;
255         static char     c;
256
257         for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
258                 if (cnt > 100)
259                         exit(1);
260         return c;
261 }