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/* $OpenBSD: cards.c,v 1.12 2016/01/08 18:20:33 mestre Exp $ */
/* $NetBSD: cards.c,v 1.3 1995/03/23 08:34:35 cgd Exp $ */
/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include "monop.ext"
#include "pathnames.h"
/*
* These routine deal with the card decks
*/
#define GOJF 'F' /* char for get-out-of-jail-free cards */
static char *cardfile = _PATH_CARDS;
static FILE *deckf;
static void set_up(DECK *);
static void printmes(void);
/*
* This routine initializes the decks from the data file,
* which it opens.
*/
void
init_decks(void)
{
if ((deckf = fopen(cardfile, "r")) == NULL)
file_err:
err(1, "%s", cardfile);
if (fread(&deck[0].num_cards, sizeof(deck[0].num_cards), 1, deckf) != 1)
goto file_err;
if (fread(&deck[0].top_card, sizeof(deck[0].top_card), 1, deckf) != 1)
goto file_err;
if (fread(&deck[0].gojf_used, sizeof(deck[0].gojf_used), 1, deckf) != 1)
goto file_err;
deck[0].num_cards = ntohs(deck[0].num_cards);
deck[0].top_card = ntohs(deck[0].top_card);
if (fread(&deck[1].num_cards, sizeof(deck[1].num_cards), 1, deckf) != 1)
goto file_err;
if (fread(&deck[1].top_card, sizeof(deck[1].top_card), 1, deckf) != 1)
goto file_err;
if (fread(&deck[1].gojf_used, sizeof(deck[1].gojf_used), 1, deckf) != 1)
goto file_err;
deck[1].num_cards = ntohs(deck[1].num_cards);
deck[1].top_card = ntohs(deck[1].top_card);
set_up(&CC_D);
set_up(&CH_D);
}
/*
* This routine sets up the offset pointers for the given deck.
*/
static void
set_up(DECK *dp)
{
int r1, r2;
int i;
if ((dp->offsets = calloc(dp->num_cards, sizeof (int32_t))) == NULL)
err(1, NULL);
for (i = 0 ; i < dp->num_cards ; i++) {
if (fread(&dp->offsets[i], sizeof(dp->offsets[i]), 1, deckf) != 1)
err(1, "%s", cardfile);
dp->offsets[i] = ntohl(dp->offsets[i]);
}
dp->top_card = 0;
dp->gojf_used = FALSE;
for (i = 0; i < dp->num_cards; i++) {
long temp;
r1 = roll(1, dp->num_cards) - 1;
r2 = roll(1, dp->num_cards) - 1;
temp = dp->offsets[r2];
dp->offsets[r2] = dp->offsets[r1];
dp->offsets[r1] = temp;
}
}
/*
* This routine draws a card from the given deck
*/
void
get_card(DECK *dp)
{
char type_maj, type_min;
int16_t num;
int i, per_h, per_H, num_h, num_H;
OWN *op;
do {
fseek(deckf, dp->offsets[dp->top_card], SEEK_SET);
dp->top_card = ++(dp->top_card) % dp->num_cards;
type_maj = getc(deckf);
} while (dp->gojf_used && type_maj == GOJF);
type_min = getc(deckf);
fread(&num, sizeof(num), 1, deckf);
num = ntohs(num);
printmes();
switch (type_maj) {
case '+': /* get money */
if (type_min == 'A') {
for (i = 0; i < num_play; i++)
if (i != player)
play[i].money -= num;
num = num * (num_play - 1);
}
cur_p->money += num;
break;
case '-': /* lose money */
if (type_min == 'A') {
for (i = 0; i < num_play; i++)
if (i != player)
play[i].money += num;
num = num * (num_play - 1);
}
cur_p->money -= num;
break;
case 'M': /* move somewhere */
switch (type_min) {
case 'F': /* move forward */
num -= cur_p->loc;
if (num < 0)
num += 40;
break;
case 'J': /* move to jail */
goto_jail();
return;
case 'R': /* move to railroad */
spec = TRUE;
num = (int)((cur_p->loc + 5)/10)*10 + 5 - cur_p->loc;
break;
case 'U': /* move to utility */
spec = TRUE;
if (cur_p->loc >= 12 && cur_p->loc < 28)
num = 28 - cur_p->loc;
else {
num = 12 - cur_p->loc;
if (num < 0)
num += 40;
}
break;
case 'B':
num = -num;
break;
}
move(num);
break;
case 'T': /* tax */
if (dp == &CC_D) {
per_h = 40;
per_H = 115;
}
else {
per_h = 25;
per_H = 100;
}
num_h = num_H = 0;
for (op = cur_p->own_list; op; op = op->next)
if (op->sqr->type == PRPTY) {
if (op->sqr->desc->houses == 5)
++num_H;
else
num_h += op->sqr->desc->houses;
}
num = per_h * num_h + per_H * num_H;
printf("You had %d Houses and %d Hotels, so that cost you $%d\n", num_h, num_H, num);
if (num == 0)
lucky("");
else
cur_p->money -= num;
break;
case GOJF: /* get-out-of-jail-free card */
cur_p->num_gojf++;
dp->gojf_used = TRUE;
break;
}
spec = FALSE;
}
/*
* This routine prints out the message on the card
*/
static void
printmes(void)
{
char c;
printline();
fflush(stdout);
while ((c = getc(deckf)) != '\0')
putchar(c);
printline();
fflush(stdout);
}
/*
* This routine returns the players get-out-of-jail-free card
* to the bottom of a deck. XXX currently does not return to the correct
* deck.
*/
void
ret_card(PLAY *plr)
{
char type_maj;
int16_t gojfpos, last_card;
int i;
DECK *dp;
int32_t temp;
plr->num_gojf--;
if (CC_D.gojf_used)
dp = &CC_D;
else
dp = &CH_D;
dp->gojf_used = FALSE;
/* Put at bottom of deck (top_card - 1) and remove it from wherever else
* it used to be.
*/
last_card = dp->top_card - 1;
if (last_card < 0)
last_card += dp->num_cards;
gojfpos = dp->top_card;
do {
gojfpos = (gojfpos + 1) % dp->num_cards;
fseek(deckf, dp->offsets[gojfpos], SEEK_SET);
type_maj = getc(deckf);
} while (type_maj != GOJF);
temp = dp->offsets[gojfpos];
/* Only one of the next two loops does anything */
for (i = gojfpos - 1; i > last_card; i--)
dp->offsets[i + 1] = dp->offsets[i];
for (i = gojfpos; i < last_card; i++)
dp->offsets[i] = dp->offsets[i + 1];
if (gojfpos > last_card) {
dp->offsets[dp->top_card] = temp;
dp->top_card++;
dp->top_card %= dp->num_cards;
} else
dp->offsets[last_card] = temp;
}
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