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 }