freebsd-dev/games/backgammon/common_source/table.c
Steve Price af71cfbb87 Merge a bunch of cleanups from NetBSD.
PR:		8083
Submitted by:	Stephen J. Roznowski <sjr@home.net>
Obtained from:	a whole slew of NetBSD PRs
1999-04-19 03:59:02 +00:00

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/*
* 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[] = "@(#)table.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
#include "back.h"
const char *const help2[] = {
" Enter moves as <s>-<f> or <s>/<r> where <s> is the starting",
"position, <f> is the finishing position, and <r> is the roll.",
"Remember, each die roll must be moved separately.",
0
};
struct state {
char ch;
int fcode;
int newst;
};
static const struct state atmata[] = {
'R', 1, 0, '?', 7, 0, 'Q', 0, -3, 'B', 8, 25,
'9', 2, 25, '8', 2, 25, '7', 2, 25, '6', 2, 25,
'5', 2, 25, '4', 2, 25, '3', 2, 25, '2', 2, 19,
'1', 2, 15, '0', 2, 25, '.', 0, 0, '9', 2, 25,
'8', 2, 25, '7', 2, 25, '6', 2, 25, '5', 2, 25,
'4', 2, 25, '3', 2, 25, '2', 2, 25, '1', 2, 25,
'0', 2, 25, '/', 0, 32, '-', 0, 39, '.', 0, 0,
'/', 5, 32, ' ', 6, 3, ',', 6, 3, '\n', 0, -1,
'6', 3, 28, '5', 3, 28, '4', 3, 28, '3', 3, 28,
'2', 3, 28, '1', 3, 28, '.', 0, 0, 'H', 9, 61,
'9', 4, 61, '8', 4, 61, '7', 4, 61, '6', 4, 61,
'5', 4, 61, '4', 4, 61, '3', 4, 61, '2', 4, 53,
'1', 4, 51, '0', 4, 61, '.', 0, 0, '9', 4, 61,
'8', 4, 61, '7', 4, 61, '6', 4, 61, '5', 4, 61,
'4', 4, 61, '3', 4, 61, '2', 4, 61, '1', 4, 61,
'0', 4, 61, ' ', 6, 3, ',', 6, 3, '-', 5, 39,
'\n', 0, -1, '.', 0, 0
};
checkmove (ist)
int ist;
{
register int j, n;
register char c;
char a;
domove:
if (ist == 0) {
if (tflag)
curmove (curr,32);
else
writel ("\t\t");
writel ("Move: ");
}
ist = mvl = ncin = 0;
for (j = 0; j < 5; j++)
p[j] = g[j] = -1;
dochar:
c = readc();
if (c == 'S') {
raflag = 0;
save (1);
if (tflag) {
curmove (cturn == -1? 18: 19,39);
ist = -1;
goto domove;
} else {
proll ();
ist = 0;
goto domove;
}
}
if (c == tty.sg_erase && ncin > 0) {
if (tflag)
curmove (curr,curc-1);
else {
if (tty.sg_erase == '\010')
writel ("\010 \010");
else
writec (cin[ncin-1]);
}
ncin--;
n = rsetbrd();
if (n == 0) {
n = -1;
if (tflag)
refresh();
}
if ((ist = n) > 0)
goto dochar;
goto domove;
}
if (c == tty.sg_kill && ncin > 0) {
if (tflag) {
refresh();
curmove (curr,39);
ist = -1;
goto domove;
} else if (tty.sg_erase == '\010') {
for (j = 0; j < ncin; j++)
writel ("\010 \010");
ist = -1;
goto domove;
} else {
writec ('\\');
writec ('\n');
proll ();
ist = 0;
goto domove;
}
}
n = dotable(c,ist);
if (n >= 0) {
cin[ncin++] = c;
if (n > 2)
if ((! tflag) || c != '\n')
writec (c);
ist = n;
if (n)
goto dochar;
else
goto domove;
}
if (n == -1 && mvl >= mvlim)
return(0);
if (n == -1 && mvl < mvlim-1)
return(-4);
if (n == -6) {
if (! tflag) {
if (movokay(mvl+1)) {
wrboard();
movback (mvl+1);
}
proll ();
writel ("\t\tMove: ");
for (j = 0; j < ncin;)
writec (cin[j++]);
} else {
if (movokay(mvl+1)) {
refresh();
movback (mvl+1);
} else
curmove (cturn == -1? 18:19,ncin+39);
}
ist = n = rsetbrd();
goto dochar;
}
if (n != -5)
return(n);
writec ('\007');
goto dochar;
}
dotable (c,i)
char c;
register int i;
{
register int a, j;
int test;
test = (c == 'R');
while ( (a = atmata[i].ch) != '.') {
if (a == c || (test && a == '\n')) {
switch (atmata[i].fcode) {
case 1:
wrboard();
if (tflag) {
curmove (cturn == -1? 18: 19,0);
proll ();
writel ("\t\t");
} else
proll ();
break;
case 2:
if (p[mvl] == -1)
p[mvl] = c-'0';
else
p[mvl] = p[mvl]*10+c-'0';
break;
case 3:
if (g[mvl] != -1) {
if (mvl < mvlim)
mvl++;
p[mvl] = p[mvl-1];
}
g[mvl] = p[mvl]+cturn*(c-'0');
if (g[mvl] < 0)
g[mvl] = 0;
if (g[mvl] > 25)
g[mvl] = 25;
break;
case 4:
if (g[mvl] == -1)
g[mvl] = c-'0';
else
g[mvl] = g[mvl]*10+c-'0';
break;
case 5:
if (mvl < mvlim)
mvl++;
p[mvl] = g[mvl-1];
break;
case 6:
if (mvl < mvlim)
mvl++;
break;
case 7:
if (tflag)
curmove (20,0);
else
writec ('\n');
text (help2);
if (tflag) {
curmove (cturn == -1? 18: 19,39);
} else {
writec ('\n');
proll();
writel ("\t\tMove: ");
}
break;
case 8:
p[mvl] = bar;
break;
case 9:
g[mvl] = home;
}
if (! test || a != '\n')
return (atmata[i].newst);
else
return (-6);
}
i++;
}
return (-5);
}
rsetbrd () {
register int i, j, n;
n = 0;
mvl = 0;
for (i = 0; i < 4; i++)
p[i] = g[i] = -1;
for (j = 0; j < ncin; j++)
n = dotable (cin[j],n);
return (n);
}