mille/misc.c

   1 /*      $NetBSD: misc.c,v 1.8 1999/03/29 05:12:39 mrg Exp $     */
   2
   3 /*
   4  * Copyright (c) 1983, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 #if 0
  39 static char sccsid[] = "@(#)misc.c      8.1 (Berkeley) 5/31/93";
  40 #else
  41 __RCSID("$NetBSD: misc.c,v 1.8 1999/03/29 05:12:39 mrg Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <sys/file.h>
  46 #include <termios.h>
  47
  48 #if __STDC__
  49 #include        <stdarg.h>
  50 #else
  51 #include        <varargs.h>
  52 #endif
  53
  54 #include        "mille.h"
  55 #ifndef unctrl
  56 #include        "unctrl.h"
  57 #endif
  58
  59
  60 /*
  61  * @(#)misc.c   1.2 (Berkeley) 3/28/83
  62  */
  63
  64 #define NUMSAFE 4
  65
  66 bool
  67 #if __STDC__
  68 error(const char *str, ...)
  69 #else
  70 error(str, va_alist)
  71         const char *str;
  72         va_dcl
  73 #endif
  74 {
  75         va_list ap;
  76
  77 #if __STDC__
  78         va_start(ap, str);
  79 #else
  80         va_start(ap);
  81 #endif
  82         wmove(Score, ERR_Y, ERR_X);
  83         vwprintw(Score, str, ap);
  84         clrtoeol();
  85         putchar('\07');
  86         refresh();
  87         va_end(ap);
  88         return FALSE;
  89 }
  90
  91 CARD
  92 getcard()
  93 {
  94         int     c, c1;
  95
  96         for (;;) {
  97                 while ((c = readch()) == '\n' || c == '\r' || c == ' ')
  98                         continue;
  99                 if (islower(c))
 100                         c = toupper(c);
 101                 if (c == killchar() || c == erasechar())
 102                         return -1;
 103                 addstr(unctrl(c));
 104                 clrtoeol();
 105                 switch (c) {
 106                   case '1':     case '2':       case '3':
 107                   case '4':     case '5':       case '6':
 108                         c -= '0';
 109                         break;
 110                   case '0':     case 'P':       case 'p':
 111                         c = 0;
 112                         break;
 113                   default:
 114                         putchar('\07');
 115                         addch('\b');
 116                         if (!isprint(c))
 117                                 addch('\b');
 118                         c = -1;
 119                         break;
 120                 }
 121                 refresh();
 122                 if (c >= 0) {
 123                         while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
 124                                 if (c1 == killchar())
 125                                         return -1;
 126                                 else if (c1 == erasechar()) {
 127                                         addch('\b');
 128                                         clrtoeol();
 129                                         refresh();
 130                                         goto cont;
 131                                 }
 132                                 else
 133                                         write(0, "\07", 1);
 134                         return c;
 135                 }
 136 cont:           ;
 137         }
 138 }
 139
 140 int
 141 check_ext(forcomp)
 142         bool    forcomp;
 143 {
 144
 145
 146         if (End == 700)
 147                 if (Play == PLAYER) {
 148                         if (getyn(EXTENSIONPROMPT)) {
 149 extend:
 150                                 if (!forcomp)
 151                                         End = 1000;
 152                                 return TRUE;
 153                         }
 154                         else {
 155 done:
 156                                 if (!forcomp)
 157                                         Finished = TRUE;
 158                                 return FALSE;
 159                         }
 160                 }
 161                 else {
 162                         PLAY    *pp, *op;
 163                         int     i, safe, miles;
 164
 165                         pp = &Player[COMP];
 166                         op = &Player[PLAYER];
 167                         for (safe = 0, i = 0; i < NUMSAFE; i++)
 168                                 if (pp->safety[i] != S_UNKNOWN)
 169                                         safe++;
 170                         if (safe < 2)
 171                                 goto done;
 172                         if (op->mileage == 0 || onecard(op)
 173                             || (op->can_go && op->mileage >= 500))
 174                                 goto done;
 175                         for (miles = 0, i = 0; i < NUMSAFE; i++)
 176                                 if (op->safety[i] != S_PLAYED
 177                                     && pp->safety[i] == S_UNKNOWN)
 178                                         miles++;
 179                         if (miles + safe == NUMSAFE)
 180                                 goto extend;
 181                         for (miles = 0, i = 0; i < HAND_SZ; i++)
 182                                 if ((safe = pp->hand[i]) <= C_200)
 183                                         miles += Value[safe];
 184                         if (miles + (Topcard - Deck) * 3 > 1000)
 185                                 goto extend;
 186                         goto done;
 187                 }
 188         else
 189                 goto done;
 190 }
 191
 192 /*
 193  *      Get a yes or no answer to the given question.  Saves are
 194  * also allowed.  Return TRUE if the answer was yes, FALSE if no.
 195  */
 196 int
 197 getyn(promptno)
 198         int     promptno;
 199 {
 200         char    c;
 201
 202         Saved = FALSE;
 203         for (;;) {
 204                 leaveok(Board, FALSE);
 205                 prompt(promptno);
 206                 clrtoeol();
 207                 refresh();
 208                 switch (c = readch()) {
 209                   case 'n':     case 'N':
 210                         addch('N');
 211                         refresh();
 212                         leaveok(Board, TRUE);
 213                         return FALSE;
 214                   case 'y':     case 'Y':
 215                         addch('Y');
 216                         refresh();
 217                         leaveok(Board, TRUE);
 218                         return TRUE;
 219                   case 's':     case 'S':
 220                         addch('S');
 221                         refresh();
 222                         Saved = save();
 223                         continue;
 224                   case CTRL('L'):
 225                         wrefresh(curscr);
 226                         break;
 227                   default:
 228                         addstr(unctrl(c));
 229                         refresh();
 230                         putchar('\07');
 231                         break;
 232                 }
 233         }
 234 }
 235
 236 /*
 237  *      Check to see if more games are desired.  If not, and game
 238  * came from a saved file, make sure that they don't want to restore
 239  * it.  Exit appropriately.
 240  */
 241 void
 242 check_more()
 243 {
 244         On_exit = TRUE;
 245         if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000)
 246                 if (getyn(ANOTHERGAMEPROMPT))
 247                         return;
 248                 else {
 249                         /*
 250                          * must do accounting normally done in main()
 251                          */
 252                         if (Player[PLAYER].total > Player[COMP].total)
 253                                 Player[PLAYER].games++;
 254                         else if (Player[PLAYER].total < Player[COMP].total)
 255                                 Player[COMP].games++;
 256                         Player[COMP].total = 0;
 257                         Player[PLAYER].total = 0;
 258                 }
 259         else
 260                 if (getyn(ANOTHERHANDPROMPT))
 261                         return;
 262         if (!Saved && getyn(SAVEGAMEPROMPT))
 263                 if (!save())
 264                         return;
 265         die(0);
 266 }
 267
 268 int
 269 readch()
 270 {
 271         int     cnt;
 272         static char     c;
 273
 274         for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
 275                 if (cnt > 100)
 276                         exit(1);
 277         return c;
 278 }