4.4BSD/usr/src/games/monop/execute.c
/*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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
static char sccsid[] = "@(#)execute.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
# include "monop.ext"
# include <sys/types.h>
# include <sys/stat.h>
# include <sys/time.h>
# define SEGSIZE 8192
typedef struct stat STAT;
typedef struct tm TIME;
extern char etext[], /* end of text space */
rub();
static char buf[257],
*yn_only[] = { "yes", "no"};
static bool new_play; /* set if move on to new player */
/*
* This routine executes the given command by index number
*/
execute(com_num)
reg 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.
*/
do_move() {
reg int r1, r2;
reg 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
*/
move(rl)
reg int rl; {
reg 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
*/
show_move() {
reg SQUARE *sqp;
sqp = &board[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(sqp);
}
else if (sqp->owner == player)
printf("You own it.\n");
else
rent(sqp);
}
}
/*
* This routine saves the current game for use at a later date
*/
save() {
reg char *sp;
reg int outf, num;
time_t t;
int *dat_end;
struct stat sb;
unsgn start, end;
printf("Which file do you wish to save it in? ");
sp = buf;
while ((*sp++=getchar()) != '\n')
continue;
*--sp = '\0';
/*
* check for existing files, and confirm overwrite if needed
*/
if (stat(buf, &sb) > -1
&& getyn("File exists. Do you wish to overwrite? ", yn_only) > 0)
return;
if ((outf=creat(buf, 0644)) < 0) {
perror(buf);
return;
}
printf("\"%s\" ", buf);
time(&t); /* get current time */
strcpy(buf, ctime(&t));
for (sp = buf; *sp != '\n'; sp++)
continue;
*sp = '\0';
# if 0
start = (((int) etext + (SEGSIZE-1)) / SEGSIZE ) * SEGSIZE;
# else
start = 0;
# endif
end = sbrk(0);
while (start < end) { /* write out entire data space */
num = start + 16 * 1024 > end ? end - start : 16 * 1024;
write(outf, start, num);
start += num;
}
close(outf);
printf("[%s]\n", buf);
}
/*
* This routine restores an old game from a file
*/
restore() {
reg char *sp;
printf("Which file do you wish to restore from? ");
for (sp = buf; (*sp=getchar()) != '\n'; sp++)
continue;
*sp = '\0';
rest_f(buf);
}
/*
* This does the actual restoring. It returns TRUE if the
* backup was successful, else false.
*/
rest_f(file)
reg char *file; {
reg char *sp;
reg int inf, num;
char buf[80];
unsgn start, end;
STAT sbuf;
if ((inf=open(file, 0)) < 0) {
perror(file);
return FALSE;
}
printf("\"%s\" ", file);
if (fstat(inf, &sbuf) < 0) { /* get file stats */
perror(file);
exit(1);
}
# if 0
start = (((int) etext + (SEGSIZE-1)) / SEGSIZE ) * SEGSIZE;
# else
start = 0;
# endif
brk(end = start + sbuf.st_size);
while (start < end) { /* write out entire data space */
num = start + 16 * 1024 > end ? end - start : 16 * 1024;
read(inf, start, num);
start += num;
}
close(inf);
strcpy(buf, ctime(&sbuf.st_mtime));
for (sp = buf; *sp != '\n'; sp++)
continue;
*sp = '\0';
printf("[%s]\n", buf);
return TRUE;
}