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  */
  32
  33 #include <sys/file.h>
  34 #include <stdarg.h>
  35 #include <termios.h>
  36
  37 #include "mille.h"
  38 #include <term.h>
  39
  40 /*
  41  * @(#)misc.c   1.2 (Berkeley) 3/28/83
  42  */
  43
  44 #define NUMSAFE 4
  45
  46 bool
  47 error(const char *str, ...)
  48 {
  49         va_list arg;
  50
  51         va_start(arg, str);
  52         stdscr = Score;
  53         move(ERR_Y, ERR_X);
  54         vw_printw(stdscr, str, arg);
  55         va_end(arg);
  56         clrtoeol();
  57         putchar('\07');
  58         refresh();
  59         stdscr = Board;
  60         return FALSE;
  61 }
  62
  63 CARD
  64 getcard(void)
  65 {
  66         int     c, c1;
  67
  68         for (;;) {
  69                 while ((c = readch()) == '\n' || c == '\r' || c == ' ')
  70                         continue;
  71                 if (islower(c))
  72                         c = toupper(c);
  73                 if (c == killchar() || c == erasechar())
  74                         return -1;
  75                 addstr(unctrl(c));
  76                 clrtoeol();
  77                 switch (c) {
  78                   case '1':     case '2':       case '3':
  79                   case '4':     case '5':       case '6':
  80                         c -= '0';
  81                         break;
  82                   case '0':     case 'P':       case 'p':
  83                         c = 0;
  84                         break;
  85                   default:
  86                         putchar('\07');
  87                         addch('\b');
  88                         if (!isprint(c))
  89                                 addch('\b');
  90                         c = -1;
  91                         break;
  92                 }
  93                 refresh();
  94                 if (c >= 0) {
  95                         while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
  96                                 if (c1 == killchar())
  97                                         return -1;
  98                                 else if (c1 == erasechar()) {
  99                                         addch('\b');
 100                                         clrtoeol();
 101                                         refresh();
 102                                         goto cont;
 103                                 }
 104                                 else
 105                                         write(0, "\07", 1);
 106                         return c;
 107                 }
 108 cont:           ;
 109         }
 110 }
 111
 112 bool
 113 check_ext(bool forcomp)
 114 {
 115         if (End == 700) {
 116                 if (Play == PLAYER) {
 117                         if (getyn(EXTENSIONPROMPT)) {
 118 extend:
 119                                 if (!forcomp)
 120                                         End = 1000;
 121                                 return TRUE;
 122                         } else {
 123 done:
 124                                 if (!forcomp)
 125                                         Finished = TRUE;
 126                                 return FALSE;
 127                         }
 128                 } else {
 129                         PLAY    *pp, *op;
 130                         int     i, safe, miles;
 131
 132                         pp = &Player[COMP];
 133                         op = &Player[PLAYER];
 134                         for (safe = 0, i = 0; i < NUMSAFE; i++)
 135                                 if (pp->safety[i] != S_UNKNOWN)
 136                                         safe++;
 137                         if (safe < 2)
 138                                 goto done;
 139                         if (op->mileage == 0 || onecard(op)
 140                             || (op->can_go && op->mileage >= 500))
 141                                 goto done;
 142                         for (miles = 0, i = 0; i < NUMSAFE; i++)
 143                                 if (op->safety[i] != S_PLAYED
 144                                     && pp->safety[i] == S_UNKNOWN)
 145                                         miles++;
 146                         if (miles + safe == NUMSAFE)
 147                                 goto extend;
 148                         for (miles = 0, i = 0; i < HAND_SZ; i++)
 149                                 if ((safe = pp->hand[i]) <= C_200)
 150                                         miles += Value[safe];
 151                         if (miles + (Topcard - Deck) * 3 > 1000)
 152                                 goto extend;
 153                         goto done;
 154                 }
 155         } else
 156                 goto done;
 157 }
 158
 159 /*
 160  *      Get a yes or no answer to the given question.  Saves are
 161  * also allowed.  Return TRUE if the answer was yes, FALSE if no.
 162  */
 163 bool
 164 getyn(int promptno)
 165 {
 166         char    c;
 167
 168         Saved = FALSE;
 169         for (;;) {
 170                 leaveok(Board, FALSE);
 171                 prompt(promptno);
 172                 clrtoeol();
 173                 refresh();
 174                 switch (c = readch()) {
 175                   case 'n':     case 'N':
 176                         addch('N');
 177                         refresh();
 178                         leaveok(Board, TRUE);
 179                         return FALSE;
 180                   case 'y':     case 'Y':
 181                         addch('Y');
 182                         refresh();
 183                         leaveok(Board, TRUE);
 184                         return TRUE;
 185                   case 's':     case 'S':
 186                         addch('S');
 187                         refresh();
 188                         Saved = save();
 189                         continue;
 190                   case CTRL('L'):
 191                         wrefresh(curscr);
 192                         break;
 193                   default:
 194                         addstr(unctrl(c));
 195                         refresh();
 196                         putchar('\07');
 197                         break;
 198                 }
 199         }
 200 }
 201
 202 /*
 203  *      Check to see if more games are desired.  If not, and game
 204  * came from a saved file, make sure that they don't want to restore
 205  * it.  Exit appropriately.
 206  */
 207 void
 208 check_more(void)
 209 {
 210         On_exit = TRUE;
 211         if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000) {
 212                 if (getyn(ANOTHERGAMEPROMPT))
 213                         return;
 214                 else {
 215                         /*
 216                          * must do accounting normally done in main()
 217                          */
 218                         if (Player[PLAYER].total > Player[COMP].total)
 219                                 Player[PLAYER].games++;
 220                         else if (Player[PLAYER].total < Player[COMP].total)
 221                                 Player[COMP].games++;
 222                         Player[COMP].total = 0;
 223                         Player[PLAYER].total = 0;
 224                 }
 225         } else
 226                 if (getyn(ANOTHERHANDPROMPT))
 227                         return;
 228         if (!Saved && getyn(SAVEGAMEPROMPT))
 229                 if (!save())
 230                         return;
 231         die(0);
 232 }
 233
 234 char
 235 readch(void)
 236 {
 237         int     cnt;
 238         static char     c;
 239
 240         for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
 241                 if (cnt > 100)
 242                         exit(1);
 243         return c;
 244 }