OpenBSD-4.6/games/monop/execute.c
/* $OpenBSD: execute.c,v 1.8 2003/06/03 03:01:40 millert Exp $ */
/* $NetBSD: execute.c,v 1.3 1995/03/23 08:34:38 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.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)execute.c 8.1 (Berkeley) 5/31/93";
#else
static const char rcsid[] = "$OpenBSD: execute.c,v 1.8 2003/06/03 03:01:40 millert Exp $";
#endif
#endif /* not lint */
#include "monop.ext"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <err.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
typedef struct stat STAT;
typedef struct tm TIME;
static char buf[257];
static bool new_play; /* set if move on to new player */
static void show_move(void);
/*
* This routine takes user input and puts it in buf
*/
void
getbuf()
{
char *sp;
int tmpin, i;
i = 1;
sp = buf;
while (((tmpin = getchar()) != '\n') && (i < (int)sizeof(buf)) &&
(tmpin != EOF)) {
*sp++ = tmpin;
i++;
}
if (tmpin == EOF) {
printf("user closed input stream, quitting...\n");
exit(0);
}
*sp = '\0';
}
/*
* This routine executes the given command by index number
*/
void
execute(com_num)
int com_num;
{
new_play = FALSE; /* new_play is true if fixing */
(*func[com_num])();
notify();
force_morg();
if (new_play)
next_play();
else if (num_doub)
printf("%s rolled doubles. Goes again\n", cur_p->name);
}
/*
* This routine moves a piece around.
*/
void
do_move()
{
int r1, r2;
bool was_jail;
new_play = was_jail = FALSE;
printf("roll is %d, %d\n", r1 = roll(1, 6), r2 = roll(1, 6));
if (cur_p->loc == JAIL) {
was_jail++;
if (!move_jail(r1, r2)) {
new_play++;
goto ret;
}
}
else {
if (r1 == r2 && ++num_doub == 3) {
printf("That's 3 doubles. You go to jail\n");
goto_jail();
new_play++;
goto ret;
}
move(r1 + r2);
}
if (r1 != r2 || was_jail)
new_play++;
ret:
return;
}
/*
* This routine moves a normal move
*/
void
move(rl)
int rl;
{
int old_loc;
old_loc = cur_p->loc;
cur_p->loc = (cur_p->loc + rl) % N_SQRS;
if (cur_p->loc < old_loc && rl > 0) {
cur_p->money += 200;
printf("You pass %s and get $200\n", board[0].name);
}
show_move();
}
/*
* This routine shows the results of a move
*/
static void
show_move()
{
SQUARE *sqp;
sqp = &board[(int)cur_p->loc];
printf("That puts you on %s\n", sqp->name);
switch (sqp->type) {
case SAFE:
printf("That is a safe place\n");
break;
case CC:
cc();
break;
case CHANCE:
chance();
break;
case INC_TAX:
inc_tax();
break;
case GOTO_J:
goto_jail();
break;
case LUX_TAX:
lux_tax();
break;
case PRPTY:
case RR:
case UTIL:
if (sqp->owner < 0) {
printf("That would cost $%d\n", sqp->cost);
if (getyn("Do you want to buy? ") == 0) {
buy(player, sqp);
cur_p->money -= sqp->cost;
}
else if (num_play > 2)
bid();
}
else if (sqp->owner == player)
printf("You own it.\n");
else
rent(sqp);
}
}
#define MONOP_TAG "monop(6) save file"
/*
* This routine saves the current game for use at a later date
*/
void
save()
{
int i, j;
time_t t;
struct stat sb;
char *sp;
FILE *outf;
printf("Which file do you wish to save it in? ");
getbuf();
/*
* check for existing files, and confirm overwrite if needed
*/
if (stat(buf, &sb) == 0
&& getyn("File exists. Do you wish to overwrite? ") > 0)
return;
umask(022);
if ((outf = fopen(buf, "w")) == NULL) {
warn("%s", buf);
return;
}
printf("\"%s\" ", buf);
time(&t); /* get current time */
fprintf(outf, "%s\n", MONOP_TAG);
fprintf(outf, "# %s", ctime(&t)); /* ctime() has \n */
fprintf(outf, "%d %d %d\n", num_play, player, num_doub);
for (i = 0; i < num_play; i++)
fprintf(outf, "%s\n", name_list[i]);
for (i = 0; i < num_play; i++)
fprintf(outf, "%d %d %d %d\n", play[i].money, play[i].loc,
play[i].num_gojf, play[i].in_jail);
/* Deck status */
for (i = 0; i < 2; i++) {
fprintf(outf, "%d %d %d\n", (int)(deck[i].num_cards),
(int)(deck[i].top_card), (int)(deck[i].gojf_used));
for (j = 0; j < deck[i].num_cards; j++)
fprintf(outf, "%ld ", (long)(deck[i].offsets[j]));
fprintf(outf, "\n");
}
/* Ownership */
for (i = 0; i < N_SQRS; i++) {
if (board[i].owner >= 0) {
if (board[i].type == PRPTY)
fprintf(outf, "%d %d %d %d\n", i, board[i].owner,
board[i].desc->morg, board[i].desc->houses);
else if (board[i].type == RR || board[i].type == UTIL)
fprintf(outf, "%d %d %d 0\n", i, board[i].owner,
board[i].desc->morg);
}
}
fclose(outf);
strlcpy(buf, ctime(&t), sizeof buf);
for (sp = buf; *sp != '\n'; sp++)
continue;
*sp = '\0';
printf("[%s]\n", buf);
}
/*
* If we are restoring during a game, try not to leak memory.
*/
void
game_restore()
{
int i;
cfree(play);
for (i = 0; i < num_play; i++)
free(name_list[i]);
restore();
}
/*
* This routine restores an old game from a file
*/
void
restore()
{
printf("Which file do you wish to restore from? ");
getbuf();
if (rest_f(buf) == FALSE) {
printf("Restore failed\n");
exit(1);
}
}
/*
* This does the actual restoring. It returns TRUE if the
* backup was successful, else FALSE.
*/
int
rest_f(file)
char *file;
{
char *sp;
int i, j, num;
FILE *inf;
char *st, *a, *b;
size_t len;
STAT sbuf;
int t1;
short t2, t3, t4;
long tl;
printf("\"%s\" ", file);
if (stat(file, &sbuf) < 0) { /* get file stats */
warn("%s", file);
return(FALSE);
}
if ((inf = fopen(file, "r")) == NULL) {
warn("%s", file);
return(FALSE);
}
num = 1;
st = fgetln(inf, &len);
if (st == NULL || len != strlen(MONOP_TAG) + 1 ||
strncmp(st, MONOP_TAG, strlen(MONOP_TAG))) {
badness:
warnx("%s line %d", file, num);
fclose(inf);
return(FALSE);
}
num++;
if (fgetln(inf, &len) == NULL)
goto badness;
num++;
if ((st = fgetln(inf, &len)) == NULL || st[len - 1] != '\n')
goto badness;
st[len - 1] = '\0';
if (sscanf(st, "%d %d %d", &num_play, &player, &num_doub) != 3 ||
num_play > MAX_PL || num_play < 1 ||
player < 0 || player >= num_play ||
num_doub < 0 || num_doub > 2)
goto badness;
if ((play = (PLAY *)calloc(num_play, sizeof(PLAY))) == NULL)
err(1, NULL);
cur_p = play + player;
/* Names */
for (i = 0; i < num_play; i++) {
num++;
if ((st = fgetln(inf, &len)) == NULL || st[len - 1] != '\n')
goto badness;
st[len - 1] = '\0';
if ((name_list[i] = play[i].name = strdup(st)) == NULL)
err(1, NULL);
}
if ((name_list[i++] = strdup("done")) == NULL)
err(1, NULL);
name_list[i] = NULL;
/* Money, location, GOJF cards, turns in jail */
for (i = 0; i < num_play; i++) {
num++;
if ((st = fgetln(inf, &len)) == NULL || st[len - 1] != '\n')
goto badness;
st[len - 1] = '\0';
if (sscanf(st, "%d %hd %hd %hd", &(play[i].money), &t2,
&t3, &t4) != 4 ||
t2 < 0 || t2 > N_SQRS || t3 < 0 || t3 > 2 ||
(t2 != JAIL && t4 != 0) || t4 < 0 || t4 > 3)
goto badness;
play[i].loc = t2;
play[i].num_gojf = t3;
play[i].in_jail = t4;
}
/* Deck status; init_decks() must have been called. */
for (i = 0; i < 2; i++) {
num++;
if ((st = fgetln(inf, &len)) == NULL || st[len - 1] != '\n')
goto badness;
st[len - 1] = '\0';
if (sscanf(st, "%d %d %hd", &t1, &j, &t2) != 3 ||
j > t1 || t1 != deck[i].num_cards || j < 0 ||
(t2 != FALSE && t2 != TRUE))
goto badness;
deck[i].top_card = j;
deck[i].gojf_used = t2;
num++;
if ((st = fgetln(inf, &len)) == NULL || st[len - 1] != '\n')
goto badness;
st[len - 1] = '\0';
a = st;
for (j = 0; j < deck[i].num_cards; j++) {
if ((tl = strtol(a, &b, 10)) < 0 || tl >= 0x7FFFFFFF ||
b == a)
goto badness;
deck[i].offsets[j] = tl;
b = a;
}
/* Ignore anything trailing */
}
trading = FALSE;
while ((st = fgetln(inf, &len)) != NULL) {
num++;
if (st[len - 1] != '\n')
goto badness;
st[len - 1] = '\0';
/* Location, owner, mortgaged, nhouses */
if (sscanf(st, "%d %hd %hd %hd", &t1, &t2, &t3, &t4) != 4 ||
t1 < 0 || t1 >= N_SQRS || (board[t1].type != PRPTY &&
board[t1].type != RR && board[t1].type != UTIL) ||
t2 < 0 || t2 >= num_play ||
(t3 != TRUE && t3 != FALSE) ||
t4 < 0 || t4 > 5 || (t4 > 0 && t3 == TRUE))
goto badness;
add_list(t2, &(play[t2].own_list), t1);
/* No properties on mortgaged lots */
if (t3 && t4)
goto badness;
board[t1].owner = t2;
(board[t1].desc)->morg = t3;
(board[t1].desc)->houses = t4;
/* XXX Should check that number of houses per property are all
* within 1 in each monopoly
*/
}
fclose(inf);
/* Check total hotel and house count */
t1 = j = 0;
for (i = 0; i < N_SQRS; i++) {
if (board[i].type == PRPTY) {
if ((board[i].desc)->houses == 5)
j++;
else
t1 += (board[i].desc)->houses;
}
}
if (t1 > N_HOUSE || j > N_HOTEL) {
warnx("too many buildings");
return(FALSE);
}
/* Check GOJF cards */
t1 = 0;
for (i = 0; i < num_play; i++)
t1 += play[i].num_gojf;
for (i = 0; i < 2; i++)
t1 -= (deck[i].gojf_used == TRUE);
if (t1 != 0) {
warnx("can't figure out the Get-out-of-jail-free cards");
return(FALSE);
}
strlcpy(buf, ctime(&sbuf.st_mtime), sizeof buf);
for (sp = buf; *sp != '\n'; sp++)
continue;
*sp = '\0';
printf("[%s]\n", buf);
return(TRUE);
}