554eb505f8
of the x11 based games. I'm not going to tag the originals with bsd_44_lite and do this in two stages since it's just not worth it for this collection, and I've got directory renames to deal with that way. Bleah. Submitted by: jkh
316 lines
7.6 KiB
C
316 lines
7.6 KiB
C
/*
|
|
* Copyright (c) 1988, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Guy Harris.
|
|
*
|
|
* 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 copyright[] =
|
|
"@(#) Copyright (c) 1988, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)ching.phx.c 8.1 (Berkeley) 5/31/93";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* phx - Print NROFF/TROFF source of change, given the line values.
|
|
*/
|
|
#include <stdio.h>
|
|
#include "ching.h"
|
|
#include "pathnames.h"
|
|
|
|
struct {
|
|
int lines; /* encoded value of lines */
|
|
int trinum; /* trigram number */
|
|
} table[] = {
|
|
{ 777, 0 }, /* 1 */
|
|
{ 887, 1 }, /* 4 */
|
|
{ 878, 2 }, /* 6 */
|
|
{ 788, 3 }, /* 7 */
|
|
{ 888, 4 }, /* 8 */
|
|
{ 778, 5 }, /* 5 */
|
|
{ 787, 6 }, /* 3 */
|
|
{ 877, 7 }, /* 2 */
|
|
};
|
|
|
|
/*
|
|
* Gives hexagram number from two component trigrams.
|
|
*/
|
|
int crosstab[8][8] = {
|
|
1, 34, 5, 26, 11, 9, 14, 43,
|
|
25, 51, 3, 27, 24, 42, 21, 17,
|
|
6, 40, 29, 4, 7, 59, 64, 47,
|
|
33, 62, 39, 52, 15, 53, 56, 31,
|
|
12, 16, 8, 23, 2, 20, 35, 45,
|
|
44, 32, 48, 18, 46, 57, 50, 28,
|
|
13, 55, 63, 22, 36, 37, 30, 49,
|
|
10, 54, 60, 41, 19, 61, 38, 58,
|
|
};
|
|
|
|
int trigrams[6];
|
|
int moving[6];
|
|
|
|
FILE *chingf; /* stream to read the hexagram file */
|
|
|
|
char *gets();
|
|
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
register int hexagram; /* hexagram number */
|
|
register char *hexptr; /* pointer to string of lines */
|
|
char hexstr[6+1]; /* buffer for reading lines in */
|
|
register int i;
|
|
|
|
if (argc < 2)
|
|
hexptr = gets(hexstr);
|
|
else
|
|
hexptr = argv[1];
|
|
if (hexptr == (char *)NULL || strlen(hexptr) != 6) {
|
|
fprintf(stderr, "What kind of a change is THAT?!?\n");
|
|
exit(1);
|
|
}
|
|
for (i = 0; i < 6; i++) {
|
|
trigrams[i] = hexptr[i] - '0';
|
|
if (trigrams[i] == 6 || trigrams[i] == 9)
|
|
moving[i] = 1;
|
|
else
|
|
moving[i] = 0;
|
|
}
|
|
if ((chingf = fopen(_PATH_HEX, "r")) == (FILE *)NULL) {
|
|
fprintf(stderr, "ching: can't read %s\n", _PATH_HEX);
|
|
exit(2);
|
|
}
|
|
phx(doahex(), 0);
|
|
if (changes())
|
|
phx(doahex(), 1);
|
|
}
|
|
|
|
/*
|
|
* Compute the hexagram number, given the trigrams.
|
|
*/
|
|
int
|
|
doahex()
|
|
{
|
|
int lower, upper; /* encoded values of lower and upper trigrams */
|
|
int lnum, unum; /* indices of upper and lower trigrams */
|
|
register int i;
|
|
|
|
lower = codem(0);
|
|
upper = codem(3);
|
|
for (i = 0; i < 8; i++) {
|
|
if (table[i].lines == lower)
|
|
lnum = table[i].trinum;
|
|
if (table[i].lines == upper)
|
|
unum = table[i].trinum;
|
|
}
|
|
return(crosstab[lnum][unum]);
|
|
}
|
|
|
|
/*
|
|
* Encode a trigram as a 3-digit number; the digits, from left to right,
|
|
* represent the lines. 7 is a solid (yang) line, 8 is a broken (yin) line.
|
|
*/
|
|
codem(a)
|
|
int a;
|
|
{
|
|
register int code, i;
|
|
int factor[3];
|
|
|
|
factor[0] = 1;
|
|
factor[1] = 10;
|
|
factor[2] = 100;
|
|
code = 0;
|
|
|
|
for (i = a; i < a + 3; i++) {
|
|
switch(trigrams[i]) {
|
|
|
|
case YYANG:
|
|
case OYANG:
|
|
code += factor[i%3]*7;
|
|
break;
|
|
|
|
case OYIN:
|
|
case YYIN:
|
|
code += factor[i%3]*8;
|
|
break;
|
|
}
|
|
}
|
|
return(code);
|
|
}
|
|
|
|
/*
|
|
* Compute the changes based on moving lines; return 1 if any lines moved,
|
|
* 0 if no lines moved.
|
|
*/
|
|
changes()
|
|
{
|
|
register int cflag;
|
|
register int i;
|
|
|
|
cflag = 0;
|
|
for (i = 0; i < 6; i++) {
|
|
if (trigrams[i] == OYIN) {
|
|
trigrams[i] = YYANG;
|
|
cflag++;
|
|
} else if (trigrams[i] == OYANG) {
|
|
trigrams[i] = YYIN;
|
|
cflag++;
|
|
}
|
|
}
|
|
return(cflag);
|
|
}
|
|
|
|
/*
|
|
* Print the NROFF/TROFF source of a hexagram, given the hexagram number;
|
|
* if flag is 0, print the entire source; if flag is 1, ignore the meanings
|
|
* of the lines.
|
|
*/
|
|
phx(hexagram, flag)
|
|
int hexagram;
|
|
int flag;
|
|
{
|
|
char textln[128+1]; /* buffer for text line */
|
|
register char *lp; /* pointer into buffer */
|
|
register int thishex; /* number of hexagram just read */
|
|
int lineno; /* number of line read in */
|
|
int allmoving; /* 1 if all lines are moving */
|
|
register int i;
|
|
|
|
/*
|
|
* Search for the hexagram; it begins with a line of the form
|
|
* .H <hexagram number> <other data>.
|
|
*/
|
|
rewind(chingf);
|
|
for (;;) {
|
|
if (fgets(textln, sizeof(textln), chingf) == (char *)NULL) {
|
|
fprintf(stderr, "ching: Hexagram %d missing\n",
|
|
hexagram);
|
|
exit(3);
|
|
}
|
|
lp = &textln[0];
|
|
if (*lp++ != '.' || *lp++ != 'H')
|
|
continue;
|
|
while (*lp++ == ' ')
|
|
;
|
|
lp--;
|
|
thishex = atoi(lp);
|
|
if (thishex < 1 || thishex > 64)
|
|
continue;
|
|
if (thishex == hexagram)
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Print up to the line commentary, which ends with a line of the form
|
|
* .L <position> <value>
|
|
*/
|
|
fputs(textln, stdout);
|
|
for (;;) {
|
|
if (fgets(textln, sizeof(textln), chingf) == (char *)NULL) {
|
|
fprintf(stderr, "ching: Hexagram %d malformed\n",
|
|
hexagram);
|
|
exit(3);
|
|
}
|
|
lp = &textln[0];
|
|
if (*lp++ == '.') {
|
|
if (*lp++ == 'L')
|
|
break;
|
|
}
|
|
fputs(textln, stdout);
|
|
}
|
|
|
|
/*
|
|
* Now print the line commentaries, if this is the first hexagram.
|
|
*/
|
|
if (flag)
|
|
return;
|
|
|
|
/*
|
|
* If a line is moving, print its commentary.
|
|
* The text of the commentary ends with a line either of the form
|
|
* .L <position> <value>
|
|
* or of the form
|
|
* .LA <value>
|
|
* or of the form
|
|
* .H <hexagram number> <other arguments>
|
|
*/
|
|
allmoving = 1;
|
|
for (i = 0; i < 6; i++) {
|
|
while (*lp++ == ' ')
|
|
;
|
|
lp--;
|
|
lineno = atoi(lp);
|
|
if (i + 1 != lineno) {
|
|
fprintf(stderr, "ching: Hexagram %d malformed\n",
|
|
hexagram);
|
|
exit(3);
|
|
}
|
|
if (moving[i])
|
|
fputs(textln, stdout);
|
|
else
|
|
allmoving = 0;
|
|
for (;;) {
|
|
if (fgets(textln, sizeof(textln), chingf) == (char *)NULL)
|
|
break;
|
|
lp = &textln[0];
|
|
if (*lp++ == '.' && (*lp == 'L' || *lp == 'H')) {
|
|
lp++;
|
|
break;
|
|
}
|
|
if (moving[i])
|
|
fputs(textln, stdout);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If all the lines are moving, print the commentary for that; it
|
|
* ends with a line of the form
|
|
* .H <hexagram number> <other arguments>
|
|
*/
|
|
if (*lp == 'A' && allmoving) {
|
|
fputs(textln, stdout);
|
|
for (;;) {
|
|
if (fgets(textln, sizeof(textln), chingf) == (char *)NULL)
|
|
break;
|
|
lp = &textln[0];
|
|
if (*lp++ == '.' || *lp++ == 'H')
|
|
break;
|
|
fputs(textln, stdout);
|
|
}
|
|
}
|
|
}
|