Initial import from FreeBSD RELENG_4:
[games.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
34 #ifndef lint
35 #if 0
36 static char sccsid[] = "@(#)misc.c      8.1 (Berkeley) 5/31/93";
37 #endif
38 static const char rcsid[] =
39  "$FreeBSD: src/games/mille/misc.c,v 1.8.2.1 2001/06/13 13:52:14 dwmalone Exp $";
40 #endif /* not lint */
41
42 #include <sys/file.h>
43 #include <stdarg.h>
44 #include <termios.h>
45
46 #include        "mille.h"
47
48
49 # ifdef attron
50 #       include <term.h>
51 #       define  _tty    cur_term->Nttyb
52 # endif attron
53
54 /*
55  * @(#)misc.c   1.2 (Berkeley) 3/28/83
56  */
57
58 #define NUMSAFE 4
59
60 /* VARARGS1 */
61 bool
62 error(char *str, ...)
63 {
64         va_list arg;
65
66         va_start(arg, str);
67         stdscr = Score;
68         move(ERR_Y, ERR_X);
69         vw_printw(stdscr, str, arg);
70         va_end(arg);
71         clrtoeol();
72         putchar('\07');
73         refresh();
74         stdscr = Board;
75         return FALSE;
76 }
77
78 CARD
79 getcard()
80 {
81         int             c, c1;
82
83         for (;;) {
84                 while ((c = readch()) == '\n' || c == '\r' || c == ' ')
85                         continue;
86                 if (islower(c))
87                         c = toupper(c);
88                 if (c == killchar() || c == erasechar())
89                         return -1;
90                 addstr(unctrl(c));
91                 clrtoeol();
92                 switch (c) {
93                   case '1':     case '2':       case '3':
94                   case '4':     case '5':       case '6':
95                         c -= '0';
96                         break;
97                   case '0':     case 'P':       case 'p':
98                         c = 0;
99                         break;
100                   default:
101                         putchar('\07');
102                         addch('\b');
103                         if (!isprint(c))
104                                 addch('\b');
105                         c = -1;
106                         break;
107                 }
108                 refresh();
109                 if (c >= 0) {
110                         while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
111                                 if (c1 == killchar())
112                                         return -1;
113                                 else if (c1 == erasechar()) {
114                                         addch('\b');
115                                         clrtoeol();
116                                         refresh();
117                                         goto cont;
118                                 }
119                                 else
120                                         write(0, "\07", 1);
121                         return c;
122                 }
123 cont:           ;
124         }
125 }
126
127 bool
128 check_ext(forcomp)
129 bool    forcomp; {
130
131
132         if (End == 700)
133                 if (Play == PLAYER) {
134                         if (getyn(EXTENSIONPROMPT)) {
135 extend:
136                                 if (!forcomp)
137                                         End = 1000;
138                                 return TRUE;
139                         }
140                         else {
141 done:
142                                 if (!forcomp)
143                                         Finished = TRUE;
144                                 return FALSE;
145                         }
146                 }
147                 else {
148                         PLAY    *pp, *op;
149                         int             i, safe, miles;
150
151                         pp = &Player[COMP];
152                         op = &Player[PLAYER];
153                         for (safe = 0, i = 0; i < NUMSAFE; i++)
154                                 if (pp->safety[i] != S_UNKNOWN)
155                                         safe++;
156                         if (safe < 2)
157                                 goto done;
158                         if (op->mileage == 0 || onecard(op)
159                             || (op->can_go && op->mileage >= 500))
160                                 goto done;
161                         for (miles = 0, i = 0; i < NUMSAFE; i++)
162                                 if (op->safety[i] != S_PLAYED
163                                     && pp->safety[i] == S_UNKNOWN)
164                                         miles++;
165                         if (miles + safe == NUMSAFE)
166                                 goto extend;
167                         for (miles = 0, i = 0; i < HAND_SZ; i++)
168                                 if ((safe = pp->hand[i]) <= C_200)
169                                         miles += Value[safe];
170                         if (miles + (Topcard - Deck) * 3 > 1000)
171                                 goto extend;
172                         goto done;
173                 }
174         else
175                 goto done;
176 }
177
178 /*
179  *      Get a yes or no answer to the given question.  Saves are
180  * also allowed.  Return TRUE if the answer was yes, FALSE if no.
181  */
182 bool
183 getyn(promptno)
184 int     promptno; {
185
186         char    c;
187
188         Saved = FALSE;
189         for (;;) {
190                 leaveok(Board, FALSE);
191                 prompt(promptno);
192                 clrtoeol();
193                 refresh();
194                 switch (c = readch()) {
195                   case 'n':     case 'N':
196                         addch('N');
197                         refresh();
198                         leaveok(Board, TRUE);
199                         return FALSE;
200                   case 'y':     case 'Y':
201                         addch('Y');
202                         refresh();
203                         leaveok(Board, TRUE);
204                         return TRUE;
205                   case 's':     case 'S':
206                         addch('S');
207                         refresh();
208                         Saved = save();
209                         continue;
210                   case CTRL('L'):
211                         wrefresh(curscr);
212                         break;
213                   default:
214                         addstr(unctrl(c));
215                         refresh();
216                         putchar('\07');
217                         break;
218                 }
219         }
220 }
221
222 /*
223  *      Check to see if more games are desired.  If not, and game
224  * came from a saved file, make sure that they don't want to restore
225  * it.  Exit appropriately.
226  */
227 void
228 check_more()
229 {
230
231         On_exit = TRUE;
232         if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000)
233                 if (getyn(ANOTHERGAMEPROMPT))
234                         return;
235                 else {
236                         /*
237                          * must do accounting normally done in main()
238                          */
239                         if (Player[PLAYER].total > Player[COMP].total)
240                                 Player[PLAYER].games++;
241                         else if (Player[PLAYER].total < Player[COMP].total)
242                                 Player[COMP].games++;
243                         Player[COMP].total = 0;
244                         Player[PLAYER].total = 0;
245                 }
246         else
247                 if (getyn(ANOTHERHANDPROMPT))
248                         return;
249         if (!Saved && getyn(SAVEGAMEPROMPT))
250                 if (!save())
251                         return;
252         die(0);
253 }
254
255 char
256 readch()
257 {
258         int             cnt;
259         static char     c;
260
261         for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
262                 if (cnt > 100)
263                         exit(1);
264         return c;
265 }