484 lines
8.7 KiB
C
484 lines
8.7 KiB
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
|
|
#if 0
|
|
static char sccsid[] = "@(#)subs.c 8.1 (Berkeley) 5/31/93";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "back.h"
|
|
|
|
int buffnum;
|
|
char outbuff[BUFSIZ];
|
|
|
|
static const char plred[] = "Player is red, computer is white.";
|
|
static const char plwhite[] = "Player is white, computer is red.";
|
|
static const char nocomp[] = "(No computer play.)";
|
|
|
|
const char *const descr[] = {
|
|
"Usage: backgammon [-h n r w b pr pw pb tterm sfile]\n",
|
|
"\t-h\tgets this list\n\t-n\tdon't ask for rules or instructions",
|
|
"\t-r\tplayer is red (implies -n)\n\t-w\tplayer is white (implies -n)",
|
|
"\t-b\ttwo players, red and white (implies -n)",
|
|
"\t-pr\tprint the board before red's turn",
|
|
"\t-pw\tprint the board before white's turn",
|
|
"\t-pb\tprint the board before both player's turn",
|
|
"\t-tterm\tterminal is a term",
|
|
"\t-sfile\trecover saved game from file",
|
|
0
|
|
};
|
|
|
|
errexit (s)
|
|
char *s;
|
|
{
|
|
write (2,"\n",1);
|
|
perror (s);
|
|
getout();
|
|
}
|
|
|
|
int addbuf (c)
|
|
int c;
|
|
|
|
{
|
|
buffnum++;
|
|
if (buffnum == BUFSIZ) {
|
|
if (write(1,outbuff,BUFSIZ) != BUFSIZ)
|
|
errexit ("addbuf (write):");
|
|
buffnum = 0;
|
|
}
|
|
outbuff[buffnum] = c;
|
|
return (0);
|
|
}
|
|
|
|
buflush () {
|
|
if (buffnum < 0)
|
|
return;
|
|
buffnum++;
|
|
if (write (1,outbuff,buffnum) != buffnum)
|
|
errexit ("buflush (write):");
|
|
buffnum = -1;
|
|
}
|
|
|
|
readc () {
|
|
char c;
|
|
|
|
if (tflag) {
|
|
cline();
|
|
newpos();
|
|
}
|
|
buflush();
|
|
if (read(0,&c,1) != 1)
|
|
errexit ("readc");
|
|
#ifdef WHY_IS_THIS_HARDWIRED_IN_HERE
|
|
if (c == '\177')
|
|
getout();
|
|
#endif
|
|
if (c == '\033' || c == '\015')
|
|
return ('\n');
|
|
if (cflag)
|
|
return (c);
|
|
if (c == '\014')
|
|
return ('R');
|
|
if (c >= 'a' && c <= 'z')
|
|
return (c & 0137);
|
|
return (c);
|
|
}
|
|
|
|
writec (c)
|
|
char c;
|
|
{
|
|
if (tflag)
|
|
fancyc (c);
|
|
else
|
|
addbuf (c);
|
|
}
|
|
|
|
void
|
|
writel (l)
|
|
const char *l;
|
|
{
|
|
#ifdef DEBUG
|
|
const char *s;
|
|
|
|
if (trace == NULL)
|
|
trace = fopen ("bgtrace","w");
|
|
|
|
fprintf (trace,"writel: \"");
|
|
for (s = l; *s; s++) {
|
|
if (*s < ' ' || *s == '\177')
|
|
fprintf (trace,"^%c",(*s)^0100);
|
|
else
|
|
putc (*s,trace);
|
|
}
|
|
fprintf (trace,"\"\n");
|
|
fflush (trace);
|
|
#endif
|
|
|
|
while (*l)
|
|
writec (*l++);
|
|
}
|
|
|
|
proll () {
|
|
if (d0)
|
|
swap;
|
|
if (cturn == 1)
|
|
writel ("Red's roll: ");
|
|
else
|
|
writel ("White's roll: ");
|
|
writec (D0+'0');
|
|
writec ('\040');
|
|
writec (D1+'0');
|
|
if (tflag)
|
|
cline();
|
|
}
|
|
|
|
wrint (n)
|
|
int n;
|
|
{
|
|
int i, j, t;
|
|
|
|
for (i = 4; i > 0; i--) {
|
|
t = 1;
|
|
for (j = 0; j<i; j++)
|
|
t *= 10;
|
|
if (n > t-1)
|
|
writec ((n/t)%10+'0');
|
|
}
|
|
writec (n%10+'0');
|
|
}
|
|
|
|
gwrite() {
|
|
int r, c;
|
|
|
|
if (tflag) {
|
|
r = curr;
|
|
c = curc;
|
|
curmove (16,0);
|
|
}
|
|
|
|
if (gvalue > 1) {
|
|
writel ("Game value: ");
|
|
wrint (gvalue);
|
|
writel (". ");
|
|
if (dlast == -1)
|
|
writel (color[0]);
|
|
else
|
|
writel (color[1]);
|
|
writel (" doubled last.");
|
|
} else {
|
|
switch (pnum) {
|
|
case -1: /* player is red */
|
|
writel (plred);
|
|
break;
|
|
case 0: /* player is both colors */
|
|
writel (nocomp);
|
|
break;
|
|
case 1: /* player is white */
|
|
writel (plwhite);
|
|
}
|
|
}
|
|
|
|
if (rscore || wscore) {
|
|
writel (" ");
|
|
wrscore();
|
|
}
|
|
|
|
if (tflag) {
|
|
cline();
|
|
curmove (r,c);
|
|
}
|
|
}
|
|
|
|
quit () {
|
|
int i;
|
|
|
|
if (tflag) {
|
|
curmove (20,0);
|
|
clend();
|
|
} else
|
|
writec ('\n');
|
|
writel ("Are you sure you want to quit?");
|
|
if (yorn (0)) {
|
|
if (rfl) {
|
|
writel ("Would you like to save this game?");
|
|
if (yorn(0))
|
|
save(0);
|
|
}
|
|
cturn = 0;
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
yorn (special)
|
|
char special; /* special response */
|
|
{
|
|
char c;
|
|
int i;
|
|
|
|
i = 1;
|
|
while ( (c = readc()) != 'Y' && c != 'N') {
|
|
if (special && c == special)
|
|
return (2);
|
|
if (i) {
|
|
if (special) {
|
|
writel (" (Y, N, or ");
|
|
writec (special);
|
|
writec (')');
|
|
} else
|
|
writel (" (Y or N)");
|
|
i = 0;
|
|
} else
|
|
writec ('\007');
|
|
}
|
|
if (c == 'Y')
|
|
writel (" Yes.\n");
|
|
else
|
|
writel (" No.\n");
|
|
if (tflag)
|
|
buflush();
|
|
return (c == 'Y');
|
|
}
|
|
|
|
wrhit (i)
|
|
int i;
|
|
{
|
|
writel ("Blot hit on ");
|
|
wrint (i);
|
|
writec ('.');
|
|
writec ('\n');
|
|
}
|
|
|
|
nexturn () {
|
|
int c;
|
|
|
|
cturn = -cturn;
|
|
c = cturn/abs(cturn);
|
|
home = bar;
|
|
bar = 25-bar;
|
|
offptr += c;
|
|
offopp -= c;
|
|
inptr += c;
|
|
inopp -= c;
|
|
Colorptr += c;
|
|
colorptr += c;
|
|
}
|
|
|
|
getarg (argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
|
|
{
|
|
char ch;
|
|
extern int optind;
|
|
extern char *optarg;
|
|
int i;
|
|
|
|
/* process arguments here. dashes are ignored, nbrw are ignored
|
|
if the game is being recovered */
|
|
|
|
while ((ch = getopt (argc, argv, "nbrwp:t:s:h")) != -1) {
|
|
switch (ch) {
|
|
|
|
/* don't ask if rules or instructions needed */
|
|
case 'n':
|
|
if (rflag)
|
|
break;
|
|
aflag = 0;
|
|
args[acnt++] = strdup ("-n");
|
|
break;
|
|
|
|
/* player is both red and white */
|
|
case 'b':
|
|
if (rflag)
|
|
break;
|
|
pnum = 0;
|
|
aflag = 0;
|
|
args[acnt++] = strdup ("-b");
|
|
break;
|
|
|
|
/* player is red */
|
|
case 'r':
|
|
if (rflag)
|
|
break;
|
|
pnum = -1;
|
|
aflag = 0;
|
|
args[acnt++] = strdup ("-r");
|
|
break;
|
|
|
|
/* player is white */
|
|
case 'w':
|
|
if (rflag)
|
|
break;
|
|
pnum = 1;
|
|
aflag = 0;
|
|
args[acnt++] = strdup ("-w");
|
|
break;
|
|
|
|
/* print board after move according to following character */
|
|
case 'p':
|
|
if (optarg[0] != 'r' && optarg[0] != 'w' && optarg[0] != 'b')
|
|
break;
|
|
args[acnt] = strdup ("-p ");
|
|
args[acnt++][2] = optarg[0];
|
|
if (optarg[0] == 'r')
|
|
bflag = 1;
|
|
if (optarg[0] == 'w')
|
|
bflag = -1;
|
|
if (optarg[0] == 'b')
|
|
bflag = 0;
|
|
break;
|
|
|
|
case 't':
|
|
tflag = getcaps (optarg);
|
|
break;
|
|
|
|
case 's':
|
|
/* recover file */
|
|
recover (optarg);
|
|
break;
|
|
case 'h':
|
|
for (i = 0; descr[i] != 0; i++)
|
|
puts (descr[i]);
|
|
getout();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
if ( argc && argv[0][0] != '\0' )
|
|
recover(argv[0]);
|
|
}
|
|
|
|
init () {
|
|
int i;
|
|
for (i = 0; i < 26;)
|
|
board[i++] = 0;
|
|
board[1] = 2;
|
|
board[6] = board[13] = -5;
|
|
board[8] = -3;
|
|
board[12] = board[19] = 5;
|
|
board[17] = 3;
|
|
board[24] = -2;
|
|
off[0] = off[1] = -15;
|
|
in[0] = in[1] = 5;
|
|
gvalue = 1;
|
|
dlast = 0;
|
|
}
|
|
|
|
wrscore () {
|
|
writel ("Score: ");
|
|
writel (color[1]);
|
|
writec (' ');
|
|
wrint (rscore);
|
|
writel (", ");
|
|
writel (color[0]);
|
|
writec (' ');
|
|
wrint (wscore);
|
|
}
|
|
|
|
fixtty (mode)
|
|
int mode;
|
|
{
|
|
if (tflag)
|
|
newpos();
|
|
buflush();
|
|
tty.sg_flags = mode;
|
|
if (stty (0,&tty) < 0)
|
|
errexit("fixtty");
|
|
}
|
|
|
|
void
|
|
getout () {
|
|
/* go to bottom of screen */
|
|
if (tflag) {
|
|
curmove (23,0);
|
|
cline();
|
|
} else
|
|
writec ('\n');
|
|
|
|
/* fix terminal status */
|
|
fixtty (old);
|
|
exit(0);
|
|
}
|
|
roll () {
|
|
char c;
|
|
int row;
|
|
int col;
|
|
|
|
if (iroll) {
|
|
if (tflag) {
|
|
row = curr;
|
|
col = curc;
|
|
curmove (17,0);
|
|
} else
|
|
writec ('\n');
|
|
writel ("ROLL: ");
|
|
c = readc();
|
|
if (c != '\n') {
|
|
while (c < '1' || c > '6')
|
|
c = readc();
|
|
D0 = c-'0';
|
|
writec (' ');
|
|
writec (c);
|
|
c = readc();
|
|
while (c < '1' || c > '6')
|
|
c = readc();
|
|
D1 = c-'0';
|
|
writec (' ');
|
|
writec (c);
|
|
if (tflag) {
|
|
curmove (17,0);
|
|
cline();
|
|
curmove (row,col);
|
|
} else
|
|
writec ('\n');
|
|
return;
|
|
}
|
|
if (tflag) {
|
|
curmove (17,0);
|
|
cline();
|
|
curmove (row,col);
|
|
} else
|
|
writec ('\n');
|
|
}
|
|
D0 = rnum(6)+1;
|
|
D1 = rnum(6)+1;
|
|
d0 = 0;
|
|
}
|