monop/misc.c

   1 /*      $NetBSD: misc.c,v 1.11 2003/08/07 09:37:28 agc Exp $    */
   2
   3 /*
   4  * Copyright (c) 1980, 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. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 #ifndef lint
  34 #if 0
  35 static char sccsid[] = "@(#)misc.c      8.1 (Berkeley) 5/31/93";
  36 #else
  37 __RCSID("$NetBSD: misc.c,v 1.11 2003/08/07 09:37:28 agc Exp $");
  38 #endif
  39 #endif /* not lint */
  40
  41 #include "monop.ext"
  42 #include <ctype.h>
  43 #include <signal.h>
  44
  45 /*
  46  *      This routine executes a truncated set of commands until a
  47  * "yes or "no" answer is gotten.
  48  */
  49 int
  50 getyn(prompt)
  51         const char *prompt;
  52 {
  53         int com;
  54
  55         for (;;)
  56                 if ((com=getinp(prompt, yn)) < 2)
  57                         return com;
  58                 else
  59                         (*func[com-2])();
  60 }
  61
  62 /*
  63  *      This routine tells the player if he's out of money.
  64  */
  65 void
  66 notify()
  67 {
  68         if (cur_p->money < 0)
  69                 printf("That leaves you $%d in debt\n", -cur_p->money);
  70         else if (cur_p->money == 0)
  71                 printf("that leaves you broke\n");
  72         else if (fixing && !told_em && cur_p->money > 0) {
  73                 printf("-- You are now Solvent ---\n");
  74                 told_em = TRUE;
  75         }
  76 }
  77
  78 /*
  79  *      This routine switches to the next player
  80  */
  81 void
  82 next_play()
  83 {
  84         player = (player + 1) % num_play;
  85         cur_p = &play[player];
  86         num_doub = 0;
  87 }
  88
  89 /*
  90  *      This routine gets an integer from the keyboard after the
  91  * given prompt.
  92  */
  93 int
  94 get_int(prompt)
  95         const char *prompt;
  96 {
  97         int num;
  98         char *sp;
  99         int c;
 100         char buf[257];
 101
 102         for (;;) {
 103 inter:
 104                 printf(prompt);
 105                 num = 0;
 106                 for (sp = buf; (c=getchar()) != '\n'; *sp++ = c)
 107                         if (c == -1)    /* check for interrupted system call */
 108                                 goto inter;
 109                 *sp = c;
 110                 if (sp == buf)
 111                         continue;
 112                 for (sp = buf; isspace(*sp); sp++)
 113                         continue;
 114                 for (; isdigit(*sp); sp++)
 115                         num = num * 10 + *sp - '0';
 116                 if (*sp == '\n')
 117                         return num;
 118                 else
 119                         printf("I can't understand that\n");
 120         }
 121 }
 122
 123 /*
 124  *      This routine sets the monopoly flag from the list given.
 125  */
 126 void
 127 set_ownlist(pl)
 128         int pl;
 129 {
 130         int num;                /* general counter              */
 131         MON *orig;              /* remember starting monop ptr  */
 132         OWN *op;                /* current owned prop           */
 133         OWN *orig_op;           /* origianl prop before loop    */
 134
 135         op = play[pl].own_list;
 136 #ifdef DEBUG
 137         printf("op [%d] = play[pl [%d] ].own_list;\n", op, pl);
 138 #endif
 139         while (op) {
 140 #ifdef DEBUG
 141                 printf("op->sqr->type = %d\n", op->sqr->type);
 142 #endif
 143                 switch (op->sqr->type) {
 144                   case UTIL:
 145 #ifdef DEBUG
 146                         printf("  case UTIL:\n");
 147 #endif
 148                         for (num = 0; op && op->sqr->type == UTIL;
 149                             op = op->next)
 150                                 num++;
 151                         play[pl].num_util = num;
 152 #ifdef DEBUG
 153                         printf("play[pl].num_util = num [%d];\n", num);
 154 #endif
 155                         break;
 156                   case RR:
 157 #ifdef DEBUG
 158                         printf("  case RR:\n");
 159 #endif
 160                         for (num = 0; op && op->sqr->type == RR;
 161                             op = op->next) {
 162 #ifdef DEBUG
 163                                 printf("iter: %d\n", num);
 164                                 printf("op = %d, op->sqr = %d, "
 165                                     "op->sqr->type = %d\n", op, op->sqr,
 166                                     op->sqr->type);
 167 #endif
 168                                 num++;
 169                         }
 170                         play[pl].num_rr = num;
 171 #ifdef DEBUG
 172                         printf("play[pl].num_rr = num [%d];\n", num);
 173 #endif
 174                         break;
 175                   case PRPTY:
 176 #ifdef DEBUG
 177                         printf("  case PRPTY:\n");
 178 #endif
 179                         orig = op->sqr->desc->mon_desc;
 180                         orig_op = op;
 181                         num = 0;
 182                         while (op && op->sqr->desc->mon_desc == orig) {
 183 #ifdef DEBUG
 184                                 printf("iter: %d\n", num);
 185 #endif
 186                                 num++;
 187 #ifdef DEBUG
 188                                 printf("op = op->next ");
 189 #endif
 190                                 op = op->next;
 191 #ifdef DEBUG
 192                                 printf("[%d];\n", op);
 193 #endif
 194                         }
 195 #ifdef DEBUG
 196                         printf("num = %d\n");
 197 #endif
 198                         if (orig == 0) {
 199                                 printf("panic:  bad monopoly descriptor: "
 200                                     "orig = %p\n", orig);
 201                                 printf("player # %d\n", pl+1);
 202                                 printhold(pl);
 203                                 printf("orig_op = %p\n", orig_op);
 204                                 printf("orig_op->sqr->type = %d (PRPTY)\n",
 205                                     op->sqr->type);
 206                                 printf("orig_op->next = %p\n", op->next);
 207                                 printf("orig_op->sqr->desc = %p\n",
 208                                     op->sqr->desc);
 209                                 printf("op = %p\n", op);
 210                                 printf("op->sqr->type = %d (PRPTY)\n",
 211                                     op->sqr->type);
 212                                 printf("op->next = %p\n", op->next);
 213                                 printf("op->sqr->desc = %p\n", op->sqr->desc);
 214                                 printf("num = %d\n", num);
 215                         }
 216 #ifdef DEBUG
 217                         printf("orig->num_in = %d\n", orig->num_in);
 218 #endif
 219                         if (num == orig->num_in)
 220                                 is_monop(orig, pl);
 221                         else
 222                                 is_not_monop(orig);
 223                         break;
 224                 }
 225         }
 226 }
 227
 228 /*
 229  *      This routine sets things up as if it is a new monopoly
 230  */
 231 void
 232 is_monop(mp, pl)
 233         MON *mp;
 234         int pl;
 235 {
 236         int i;
 237
 238         mp->owner = pl;
 239         mp->num_own = mp->num_in;
 240         for (i = 0; i < mp->num_in; i++)
 241                 mp->sq[i]->desc->monop = TRUE;
 242         mp->name = mp->mon_n;
 243 }
 244
 245 /*
 246  *      This routine sets things up as if it is no longer a monopoly
 247  */
 248 void
 249 is_not_monop(mp)
 250         MON *mp;
 251 {
 252         int i;
 253
 254         mp->owner = -1;
 255         for (i = 0; i < mp->num_in; i++)
 256                 mp->sq[i]->desc->monop = FALSE;
 257         mp->name = mp->not_m;
 258 }
 259
 260 /*
 261  *      This routine gives a list of the current player's routine
 262  */
 263 void
 264 list()
 265 {
 266         printhold(player);
 267 }
 268
 269 /*
 270  *      This routine gives a list of a given players holdings
 271  */
 272 void
 273 list_all()
 274 {
 275         int pl;
 276
 277         while ((pl = getinp("Whose holdings do you want to see? ", name_list))
 278             < num_play)
 279                 printhold(pl);
 280 }
 281
 282 /*
 283  *      This routine gives the players a chance before it exits.
 284  */
 285 void
 286 quit()
 287 {
 288         putchar('\n');
 289         if (getyn("Do you all really want to quit? ") == 0)
 290                 exit(0);
 291 }