games/monop/trade.c

   1 /*      $NetBSD: trade.c,v 1.16 2012/06/19 05:35:32 dholland 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[] = "@(#)trade.c     8.1 (Berkeley) 5/31/93";
  36 #else
  37 __RCSID("$NetBSD: trade.c,v 1.16 2012/06/19 05:35:32 dholland Exp $");
  38 #endif
  39 #endif /* not lint */
  40
  41 #include "monop.h"
  42
  43 struct trd_st {                 /* how much to give to other player     */
  44         int     trader;                 /* trader number                */
  45         int     cash;                   /* amount of cash               */
  46         int     gojf;                   /* # get-out-of-jail-free cards */
  47         OWN     *prop_list;             /* property list                */
  48 };
  49
  50 typedef struct trd_st   TRADE;
  51
  52 static const char       *plist[MAX_PRP+2];
  53
  54 static int      used[MAX_PRP];
  55
  56 static TRADE    trades[2];
  57
  58 static void get_list(int, int );
  59 static int set_list(OWN *);
  60 static void summate(void);
  61 static void do_trade(void);
  62 static void move_em(TRADE *, TRADE *);
  63
  64 void
  65 trade(void)
  66 {
  67         int tradee, i;
  68
  69         trading = TRUE;
  70         for (i = 0; i < 2; i++) {
  71                 trades[i].cash = 0;
  72                 trades[i].gojf = FALSE;
  73                 trades[i].prop_list = NULL;
  74         }
  75 over:
  76         if (num_play == 1) {
  77                 printf("There ain't no-one around to trade WITH!!\n");
  78                 return;
  79         }
  80         if (num_play > 2) {
  81                 tradee = getinp("Which player do you wish to trade with? ",
  82                     name_list);
  83                 if (tradee == num_play)
  84                         return;
  85                 if (tradee == player) {
  86                         printf("You can't trade with yourself!\n");
  87                         goto over;
  88                 }
  89         }
  90         else
  91                 tradee = 1 - player;
  92         get_list(0, player);
  93         get_list(1, tradee);
  94         if (getyn("Do you wish a summary? ") == 0)
  95                 summate();
  96         if (getyn("Is the trade ok? ") == 0)
  97                 do_trade();
  98 }
  99
 100 /*
 101  *      This routine gets the list of things to be trader for the
 102  * player, and puts in the structure given.
 103  */
 104 static void
 105 get_list(int struct_no, int play_no)
 106 {
 107         int sn, pn;
 108         PLAY *pp;
 109         int numin, propnum, num_prp;
 110         OWN *op;
 111         TRADE *tp;
 112
 113         for (numin = 0; numin < MAX_PRP; numin++)
 114                 used[numin] = FALSE;
 115         sn = struct_no, pn = play_no;
 116         pp = &play[pn];
 117         tp = &trades[sn];
 118         tp->trader = pn;
 119         printf("player %s (%d):\n", pp->name, pn+1);
 120         if (pp->own_list) {
 121                 numin = set_list(pp->own_list);
 122                 for (num_prp = numin; num_prp; ) {
 123                         propnum=getinp("Which property do you wish to trade? ",
 124                             plist);
 125                         if (propnum == numin)
 126                                 break;
 127                         else if (used[propnum])
 128                                 printf("You've already allocated that.\n");
 129                         else {
 130                                 num_prp--;
 131                                 used[propnum] = TRUE;
 132                                 for (op = pp->own_list; propnum--; op = op->next)
 133                                         continue;
 134                                 add_list(pn, &(tp->prop_list), sqnum(op->sqr));
 135                         }
 136                 }
 137         }
 138         if (pp->money > 0) {
 139                 printf("You have $%d.  ", pp->money);
 140                 tp->cash = get_int("How much are you trading? ");
 141         }
 142         if (pp->num_gojf > 0) {
 143 once_more:
 144                 printf("You have %d get-out-of-jail-free cards. ",pp->num_gojf);
 145                 tp->gojf = get_int("How many are you trading? ");
 146                 if (tp->gojf > pp->num_gojf) {
 147                         printf("You don't have that many.  Try again.\n");
 148                         goto once_more;
 149                 }
 150         }
 151 }
 152
 153 /*
 154  *      This routine sets up the list of tradable property.
 155  */
 156 static int
 157 set_list(OWN *the_list)
 158 {
 159         int i;
 160         OWN *op;
 161
 162         i = 0;
 163         for (op = the_list; op; op = op->next)
 164                 if (!used[i])
 165                         plist[i++] = op->sqr->name;
 166         plist[i++] = "done";
 167         plist[i--] = 0;
 168         return i;
 169 }
 170
 171 /*
 172  *      This routine summates the trade.
 173  */
 174 static void
 175 summate(void)
 176 {
 177         bool some;
 178         int i;
 179         TRADE *tp;
 180         OWN *op;
 181
 182         for (i = 0; i < 2; i++) {
 183                 tp = &trades[i];
 184                 some = FALSE;
 185                 printf("Player %s (%d) gives:\n", play[tp->trader].name,
 186                         tp->trader+1);
 187                 if (tp->cash > 0)
 188                         printf("\t$%d\n", tp->cash), some++;
 189                 if (tp->gojf > 0)
 190                         printf("\t%d get-out-of-jail-free card(s)\n", tp->gojf),
 191                         some++;
 192                 if (tp->prop_list) {
 193                         for (op = tp->prop_list; op; op = op->next)
 194                                 putchar('\t'), printsq(sqnum(op->sqr), TRUE);
 195                         some++;
 196                 }
 197                 if (!some)
 198                         printf("\t-- Nothing --\n");
 199         }
 200 }
 201
 202 /*
 203  *      This routine actually executes the trade.
 204  */
 205 static void
 206 do_trade(void)
 207 {
 208         move_em(&trades[0], &trades[1]);
 209         move_em(&trades[1], &trades[0]);
 210 }
 211
 212 /*
 213  *      This routine does a switch from one player to another
 214  */
 215 static void
 216 move_em(TRADE *from, TRADE *to)
 217 {
 218         PLAY *pl_fr, *pl_to;
 219         OWN *op;
 220
 221         pl_fr = &play[from->trader];
 222         pl_to = &play[to->trader];
 223
 224         pl_fr->money -= from->cash;
 225         pl_to->money += from->cash;
 226         pl_fr->num_gojf -= from->gojf;
 227         pl_to->num_gojf += from->gojf;
 228         for (op = from->prop_list; op; op = op->next) {
 229                 add_list(to->trader, &(pl_to->own_list), sqnum(op->sqr));
 230                 op->sqr->owner = to->trader;
 231                 del_list(from->trader, &(pl_fr->own_list), sqnum(op->sqr));
 232         }
 233         set_ownlist(to->trader);
 234 }
 235
 236 /*
 237  *      This routine lets a player resign
 238  */
 239 void
 240 resign(void)
 241 {
 242         int i, new_own;
 243         OWN *op;
 244         SQUARE *sqp;
 245
 246         if (cur_p->money <= 0) {
 247                 switch (board[cur_p->loc].type) {
 248                   case UTIL:
 249                   case RR:
 250                   case PRPTY:
 251                         new_own = board[cur_p->loc].owner;
 252                         /* If you ran out of money by buying current location */
 253                         if (new_own == player)
 254                                 new_own = num_play;
 255                         break;
 256                   default:              /* Chance, taxes, etc */
 257                         new_own = num_play;
 258                         break;
 259                 }
 260                 if (new_own == num_play)
 261                         printf("You would resign to the bank\n");
 262                 else
 263                         printf("You would resign to %s\n", name_list[new_own]);
 264         }
 265         else if (num_play == 1) {
 266                 new_own = num_play;
 267                 printf("You would resign to the bank\n");
 268         }
 269         else {
 270                 name_list[num_play] = "bank";
 271                 do {
 272                         new_own = getinp("Who do you wish to resign to? ",
 273                             name_list);
 274                         if (new_own == player)
 275                                 printf("You can't resign to yourself!!\n");
 276                 } while (new_own == player);
 277                 name_list[num_play] = "done";
 278         }
 279         if (getyn("Do you really want to resign? ") != 0)
 280                 return;
 281         if (num_play == 1) {
 282                 printf("Then NOBODY wins (not even YOU!)\n");
 283                 exit(0);
 284         }
 285         if (new_own < num_play) {       /* resign to player             */
 286                 printf("resigning to player\n");
 287                 trades[0].trader = new_own;
 288                 trades[0].cash = trades[0].gojf = 0;
 289                 trades[0].prop_list = NULL;
 290                 trades[1].trader = player;
 291                 trades[1].cash = cur_p->money > 0 ? cur_p->money : 0;
 292                 trades[1].gojf = cur_p->num_gojf;
 293                 trades[1].prop_list = cur_p->own_list;
 294                 do_trade();
 295         }
 296         else {                          /* resign to bank               */
 297                 printf("resigning to bank\n");
 298                 for (op = cur_p->own_list; op; op = op->next) {
 299                         sqp = op->sqr;
 300                         sqp->owner = -1;
 301                         sqp->desc->morg = FALSE;
 302                         if (sqp->type == PRPTY) {
 303                                 is_not_monop(sqp->desc->mon_desc);
 304                                 sqp->desc->houses = 0;
 305                         }
 306                 }
 307                 if (cur_p->num_gojf)
 308                         ret_card(cur_p);
 309         }
 310         free(play[player].name);
 311         for (i = player; i < num_play; i++) {
 312                 name_list[i] = name_list[i+1];
 313                 if (i + 1 < num_play)
 314                         play[i] = play[i+1];
 315         }
 316         name_list[num_play--] = NULL;
 317         for (i = 0; i < N_SQRS; i++)
 318                 if (board[i].owner > player)
 319                         --board[i].owner;
 320         player = player == 0 ? num_play - 1 : player - 1;
 321         next_play();
 322         if (num_play < 2) {
 323                 printf("\nThen %s WINS!!!!!\n", play[0].name);
 324                 printhold(0);
 325                 printf("That's a grand worth of $%d.\n",
 326                         play[0].money+prop_worth(&play[0]));
 327                 exit(0);
 328         }
 329 }