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  * $DragonFly: src/games/mille/misc.c,v 1.4 2006/08/27 17:17:23 pavalos Exp $
  32  */
  33
  34 #include <sys/file.h>
  35 #include <stdarg.h>
  36 #include <termios.h>
  37
  38 #include "mille.h"
  39 #include <term.h>
  40
  41 /*
  42  * @(#)misc.c   1.2 (Berkeley) 3/28/83
  43  */
  44
  45 #define NUMSAFE 4
  46
  47 bool
  48 error(const char *str, ...)
  49 {
  50         va_list arg;
  51
  52         va_start(arg, str);
  53         stdscr = Score;
  54         move(ERR_Y, ERR_X);
  55         vw_printw(stdscr, str, arg);
  56         va_end(arg);
  57         clrtoeol();
  58         putchar('\07');
  59         refresh();
  60         stdscr = Board;
  61         return FALSE;
  62 }
  63
  64 CARD
  65 getcard(void)
  66 {
  67         int     c, c1;
  68
  69         for (;;) {
  70                 while ((c = readch()) == '\n' || c == '\r' || c == ' ')
  71                         continue;
  72                 if (islower(c))
  73                         c = toupper(c);
  74                 if (c == killchar() || c == erasechar())
  75                         return -1;
  76                 addstr(unctrl(c));
  77                 clrtoeol();
  78                 switch (c) {
  79                   case '1':     case '2':       case '3':
  80                   case '4':     case '5':       case '6':
  81                         c -= '0';
  82                         break;
  83                   case '0':     case 'P':       case 'p':
  84                         c = 0;
  85                         break;
  86                   default:
  87                         putchar('\07');
  88                         addch('\b');
  89                         if (!isprint(c))
  90                                 addch('\b');
  91                         c = -1;
  92                         break;
  93                 }
  94                 refresh();
  95                 if (c >= 0) {
  96                         while ((c1=readch()) != '\r' && c1 != '\n' && c1 != ' ')
  97                                 if (c1 == killchar())
  98                                         return -1;
  99                                 else if (c1 == erasechar()) {
 100                                         addch('\b');
 101                                         clrtoeol();
 102                                         refresh();
 103                                         goto cont;
 104                                 }
 105                                 else
 106                                         write(0, "\07", 1);
 107                         return c;
 108                 }
 109 cont:           ;
 110         }
 111 }
 112
 113 bool
 114 check_ext(bool forcomp)
 115 {
 116
 117
 118         if (End == 700)
 119                 if (Play == PLAYER) {
 120                         if (getyn(EXTENSIONPROMPT)) {
 121 extend:
 122                                 if (!forcomp)
 123                                         End = 1000;
 124                                 return TRUE;
 125                         }
 126                         else {
 127 done:
 128                                 if (!forcomp)
 129                                         Finished = TRUE;
 130                                 return FALSE;
 131                         }
 132                 }
 133                 else {
 134                         PLAY    *pp, *op;
 135                         int     i, safe, miles;
 136
 137                         pp = &Player[COMP];
 138                         op = &Player[PLAYER];
 139                         for (safe = 0, i = 0; i < NUMSAFE; i++)
 140                                 if (pp->safety[i] != S_UNKNOWN)
 141                                         safe++;
 142                         if (safe < 2)
 143                                 goto done;
 144                         if (op->mileage == 0 || onecard(op)
 145                             || (op->can_go && op->mileage >= 500))
 146                                 goto done;
 147                         for (miles = 0, i = 0; i < NUMSAFE; i++)
 148                                 if (op->safety[i] != S_PLAYED
 149                                     && pp->safety[i] == S_UNKNOWN)
 150                                         miles++;
 151                         if (miles + safe == NUMSAFE)
 152                                 goto extend;
 153                         for (miles = 0, i = 0; i < HAND_SZ; i++)
 154                                 if ((safe = pp->hand[i]) <= C_200)
 155                                         miles += Value[safe];
 156                         if (miles + (Topcard - Deck) * 3 > 1000)
 157                                 goto extend;
 158                         goto done;
 159                 }
 160         else
 161                 goto done;
 162 }
 163
 164 /*
 165  *      Get a yes or no answer to the given question.  Saves are
 166  * also allowed.  Return TRUE if the answer was yes, FALSE if no.
 167  */
 168 bool
 169 getyn(int promptno)
 170 {
 171         char    c;
 172
 173         Saved = FALSE;
 174         for (;;) {
 175                 leaveok(Board, FALSE);
 176                 prompt(promptno);
 177                 clrtoeol();
 178                 refresh();
 179                 switch (c = readch()) {
 180                   case 'n':     case 'N':
 181                         addch('N');
 182                         refresh();
 183                         leaveok(Board, TRUE);
 184                         return FALSE;
 185                   case 'y':     case 'Y':
 186                         addch('Y');
 187                         refresh();
 188                         leaveok(Board, TRUE);
 189                         return TRUE;
 190                   case 's':     case 'S':
 191                         addch('S');
 192                         refresh();
 193                         Saved = save();
 194                         continue;
 195                   case CTRL('L'):
 196                         wrefresh(curscr);
 197                         break;
 198                   default:
 199                         addstr(unctrl(c));
 200                         refresh();
 201                         putchar('\07');
 202                         break;
 203                 }
 204         }
 205 }
 206
 207 /*
 208  *      Check to see if more games are desired.  If not, and game
 209  * came from a saved file, make sure that they don't want to restore
 210  * it.  Exit appropriately.
 211  */
 212 void
 213 check_more(void)
 214 {
 215         On_exit = TRUE;
 216         if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000)
 217                 if (getyn(ANOTHERGAMEPROMPT))
 218                         return;
 219                 else {
 220                         /*
 221                          * must do accounting normally done in main()
 222                          */
 223                         if (Player[PLAYER].total > Player[COMP].total)
 224                                 Player[PLAYER].games++;
 225                         else if (Player[PLAYER].total < Player[COMP].total)
 226                                 Player[COMP].games++;
 227                         Player[COMP].total = 0;
 228                         Player[PLAYER].total = 0;
 229                 }
 230         else
 231                 if (getyn(ANOTHERHANDPROMPT))
 232                         return;
 233         if (!Saved && getyn(SAVEGAMEPROMPT))
 234                 if (!save())
 235                         return;
 236         die(0);
 237 }
 238
 239 char
 240 readch(void)
 241 {
 242         int     cnt;
 243         static char     c;
 244
 245         for (cnt = 0; read(0, &c, 1) <= 0; cnt++)
 246                 if (cnt > 100)
 247                         exit(1);
 248         return c;
 249 }