NetBSD/games/backgammon/common_source/table.c
hubertf 92932dfcc8 The patch below makes the game backgammon(6) use `const' where
appropriate.  It also removes some obsolete, unused code to check the
number of users on the system (obsoleted by dm); removes a prototype
for an unused function that was removed earlier; and removes a control
character from one message that was I think intended to clear the
screen on some particular terminal (though I can't find the comment to
that effect in any of the BSD source trees I have handy) but no longer
serves any useful purpose.

From PR 6580 by Joseph Myers <jsm28@cam.ac.uk>.

Also contains two more patches, one in teachgammon/tutor.h (by Joseph)
and one in common_source/fancy.c (by me).
1999-02-10 12:29:47 +00:00

311 lines
6.6 KiB
C

/* $NetBSD: table.c,v 1.6 1999/02/10 12:29:48 hubertf 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)table.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: table.c,v 1.6 1999/02/10 12:29:48 hubertf Exp $");
#endif
#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}
};
int
checkmove(ist)
int ist;
{
int j, n;
char c;
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 == old.c_cc[VERASE] && ncin > 0) {
if (tflag)
curmove(curr, curc - 1);
else {
if (old.c_cc[VERASE] == '\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 == old.c_cc[VKILL] && ncin > 0) {
if (tflag) {
refresh();
curmove(curr, 39);
ist = -1;
goto domove;
} else
if (old.c_cc[VERASE] == '\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;
}
int
dotable(c, i)
char c;
int i;
{
int a;
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');
(void) 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);
}
int
rsetbrd()
{
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);
}