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greg |
1.1 |
/* Copyright (c) 1986 Regents of the University of California */
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#ifndef lint
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static char SCCSid[] = "$SunId$ LBL";
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#endif
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/*
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* xform.c - program to transform object files.
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* Transformations must preserve aspect ratio.
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*
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* 10/19/85
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* 11/6/86 Finally added error checking!
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*/
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#include <stdio.h>
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#include <ctype.h>
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greg |
1.11 |
#include "otypes.h"
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greg |
1.1 |
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int xac; /* global xform argument count */
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char **xav; /* global xform argument pointer */
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int xfa; /* start of xf arguments */
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double totxform[4][4]; /* total transformation matrix */
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double totscale; /* total scale factor */
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int reverse; /* boolean true if scene inverted */
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int expand = 0; /* boolean true to expand commands */
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char *idprefix = NULL; /* prefix for object identifiers */
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greg |
1.11 |
#define ALIAS NUMOTYPE /* put alias at end of array */
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greg |
1.1 |
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greg |
1.11 |
#define NUMTYPES (NUMOTYPE+1) /* total number of object types */
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greg |
1.1 |
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greg |
1.11 |
FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */
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greg |
1.1 |
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typedef struct {
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short nsargs; /* # of string arguments */
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char **sarg; /* string arguments */
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short niargs; /* # of integer arguments */
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int *iarg; /* integer arguments */
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short nfargs; /* # of float arguments */
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double *farg; /* float arguments */
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} FUNARGS;
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#define MAXSTR 512 /* maximum string length */
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FUNARGS *getfargs();
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char *malloc();
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#define progname (xav[0])
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main(argc, argv) /* get transform options and transform file */
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int argc;
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char *argv[];
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{
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FILE *fopen();
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FILE *fp;
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int a;
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greg |
1.8 |
/* check for array */
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for (a = 1; a < argc; a++)
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if (!strcmp(argv[a], "-a"))
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return(doarray(argc, argv, a));
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greg |
1.1 |
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greg |
1.11 |
initotypes();
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greg |
1.1 |
for (a = 1; a < argc; a++) {
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if (argv[a][0] == '-')
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switch (argv[a][1]) {
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case 'n':
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greg |
1.9 |
if (argv[a][2] || a+1 >= argc)
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break;
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greg |
1.1 |
idprefix = argv[++a];
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continue;
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case 'e':
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greg |
1.9 |
if (argv[a][2])
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break;
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greg |
1.1 |
expand = 1;
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continue;
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}
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break;
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}
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greg |
1.8 |
xav = argv;
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greg |
1.1 |
xfa = a;
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totscale = 1.0;
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setident4(totxform);
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a += xf(totxform, &totscale, argc-a, argv+a);
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if (reverse = totscale < 0.0)
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totscale = -totscale;
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greg |
1.9 |
if (a < argc && argv[a][0] == '-') {
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fprintf(stderr, "%s: command line error at '%s'\n",
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argv[0], argv[a]);
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exit(1);
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}
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greg |
1.10 |
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greg |
1.1 |
xac = a;
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greg |
1.10 |
/* simple header */
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putchar('#');
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greg |
1.1 |
for (a = 0; a < xac; a++)
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printf(" %s", xav[a]);
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putchar('\n');
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greg |
1.10 |
/* transform input */
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if (xac == argc)
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greg |
1.1 |
xform("standard input", stdin);
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else
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greg |
1.10 |
for (a = xac; a < argc; a++) {
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greg |
1.1 |
if ((fp = fopen(argv[a], "r")) == NULL) {
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fprintf(stderr, "%s: cannot open \"%s\"\n",
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progname, argv[a]);
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exit(1);
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}
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xform(argv[a], fp);
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fclose(fp);
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}
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greg |
1.8 |
return(0);
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}
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doarray(ac, av, ai) /* make array */
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char **av;
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int ac, ai;
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{
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char *newav[256], **avp;
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char newid[128], repts[32];
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char *oldid = NULL;
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int i, err;
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avp = newav+2;
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avp[0] = av[0];
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for (i = 1; i < ac; i++)
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if (!strcmp(av[i-1], "-n")) {
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oldid = av[i];
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avp[i] = newid;
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} else
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avp[i] = av[i];
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avp[ai] = "-i";
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avp[ai+1] = repts;
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avp[i] = NULL;
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if (oldid == NULL) {
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newav[0] = av[0];
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newav[1] = "-n";
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newav[2] = newid;
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avp = newav;
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ac += 2;
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}
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err = 0;
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for (i = 0; i < atoi(av[ai+1]); i++) {
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if (oldid == NULL)
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sprintf(newid, "a%d", i);
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else
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sprintf(newid, "%s.%d", oldid, i);
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sprintf(repts, "%d", i);
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err |= main(ac, avp);
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}
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return(err);
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greg |
1.1 |
}
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xform(name, fin) /* transform stream by totxform */
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char *name;
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register FILE *fin;
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{
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register int c;
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while ((c = getc(fin)) != EOF) {
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if (isspace(c)) /* blank */
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continue;
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if (c == '#') { /* comment */
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putchar(c);
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do {
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if ((c = getc(fin)) == EOF)
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return;
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putchar(c);
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} while (c != '\n');
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} else if (c == '!') { /* command */
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ungetc(c, fin);
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greg |
1.7 |
xfcomm(name, fin);
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greg |
1.1 |
} else { /* object */
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ungetc(c, fin);
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xfobject(name, fin);
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}
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}
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}
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greg |
1.7 |
xfcomm(fname, fin) /* transform a command */
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greg |
1.1 |
FILE *fin;
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{
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FILE *popen();
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| 199 |
greg |
1.7 |
char *fgetline();
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| 200 |
greg |
1.1 |
FILE *pin;
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char buf[512];
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greg |
1.7 |
int i;
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greg |
1.1 |
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greg |
1.7 |
fgetline(buf, sizeof(buf), fin);
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if (expand) {
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| 206 |
greg |
1.10 |
if (xac > 2) {
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| 207 |
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if ((pin = popen(buf+1, "r")) == NULL) {
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| 208 |
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fprintf(stderr,
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"%s: (%s): cannot execute \"%s\"\n",
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progname, fname, buf);
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exit(1);
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| 212 |
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}
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xform(buf, pin);
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| 214 |
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pclose(pin);
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| 215 |
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} else {
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| 216 |
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fflush(stdout);
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| 217 |
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system(buf+1);
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| 218 |
greg |
1.7 |
}
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| 219 |
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} else {
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| 220 |
greg |
1.10 |
printf("\n%s", buf);
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| 221 |
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if (xac > 1) {
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| 222 |
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printf(" | %s -e", xav[0]);
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| 223 |
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for (i = 1; i < xac; i++)
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| 224 |
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printf(" %s", xav[i]);
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| 225 |
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}
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| 226 |
greg |
1.7 |
putchar('\n');
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| 227 |
greg |
1.1 |
}
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| 228 |
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}
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| 229 |
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| 230 |
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| 231 |
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xfobject(fname, fin) /* transform an object */
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| 232 |
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char *fname;
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| 233 |
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FILE *fin;
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| 234 |
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{
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| 235 |
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char stmp[MAXSTR];
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| 236 |
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int fn;
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| 237 |
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| 238 |
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fscanf(fin, "%s", stmp); /* modifier */
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| 239 |
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printf("\n%s ", stmp);
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| 240 |
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fscanf(fin, "%s", stmp); /* object type */
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| 241 |
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if ((fn = otype(stmp)) < 0) {
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| 242 |
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fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n",
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| 243 |
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progname, fname, stmp);
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| 244 |
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exit(1);
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| 245 |
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}
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| 246 |
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printf("%s ", stmp);
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| 247 |
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fscanf(fin, "%s", stmp); /* object name */
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| 248 |
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if (idprefix != NULL && issurface(fn))
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| 249 |
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printf("%s.%s\n", idprefix, stmp);
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| 250 |
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else
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| 251 |
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printf("%s\n", stmp);
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| 252 |
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/* transform arguments */
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| 253 |
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if ((*ofun[fn].funp)(fin) < 0) {
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| 254 |
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fprintf(stderr, "%s: (%s): bad %s \"%s\"\n",
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| 255 |
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progname, fname, ofun[fn].funame, stmp);
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| 256 |
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exit(1);
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| 257 |
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}
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| 258 |
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}
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| 259 |
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| 260 |
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| 261 |
greg |
1.11 |
o_default(fin) /* pass on arguments unchanged */
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| 262 |
greg |
1.1 |
FILE *fin;
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| 263 |
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{
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| 264 |
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register int i;
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| 265 |
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register FUNARGS *fa;
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| 266 |
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| 267 |
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if ((fa = getfargs(fin)) == NULL)
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| 268 |
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return(-1);
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| 269 |
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/* string arguments */
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| 270 |
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printf("%d", fa->nsargs);
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| 271 |
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for (i = 0; i < fa->nsargs; i++)
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| 272 |
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printf(" %s", fa->sarg[i]);
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| 273 |
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printf("\n");
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| 274 |
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/* integer arguments */
|
| 275 |
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printf("%d", fa->niargs);
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| 276 |
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for (i = 0; i < fa->niargs; i++)
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| 277 |
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printf(" %d", fa->iarg[i]);
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| 278 |
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printf("\n");
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| 279 |
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/* float arguments */
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| 280 |
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printf("%d", fa->nfargs);
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| 281 |
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for (i = 0; i < fa->nfargs; i++)
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| 282 |
|
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printf(" %18.12g", fa->farg[i]);
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| 283 |
|
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printf("\n");
|
| 284 |
|
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freefargs(fa);
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| 285 |
|
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return(0);
|
| 286 |
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}
|
| 287 |
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| 288 |
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| 289 |
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addxform(fin) /* add xf arguments to strings */
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| 290 |
|
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FILE *fin;
|
| 291 |
|
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{
|
| 292 |
|
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register int i;
|
| 293 |
|
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register FUNARGS *fa;
|
| 294 |
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|
| 295 |
|
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if ((fa = getfargs(fin)) == NULL)
|
| 296 |
|
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return(-1);
|
| 297 |
|
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/* string arguments */
|
| 298 |
|
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printf("%d", fa->nsargs + xac-xfa);
|
| 299 |
|
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for (i = 0; i < fa->nsargs; i++)
|
| 300 |
|
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printf(" %s", fa->sarg[i]);
|
| 301 |
|
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for (i = xfa; i < xac; i++) /* add xf arguments */
|
| 302 |
|
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printf(" %s", xav[i]);
|
| 303 |
|
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printf("\n");
|
| 304 |
|
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/* integer arguments */
|
| 305 |
|
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printf("%d", fa->niargs);
|
| 306 |
|
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for (i = 0; i < fa->niargs; i++)
|
| 307 |
|
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printf(" %d", fa->iarg[i]);
|
| 308 |
|
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printf("\n");
|
| 309 |
|
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/* float arguments */
|
| 310 |
|
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printf("%d", fa->nfargs);
|
| 311 |
|
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for (i = 0; i < fa->nfargs; i++)
|
| 312 |
|
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printf(" %18.12g", fa->farg[i]);
|
| 313 |
|
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printf("\n");
|
| 314 |
|
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freefargs(fa);
|
| 315 |
|
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return(0);
|
| 316 |
|
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}
|
| 317 |
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|
| 318 |
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|
| 319 |
|
|
int
|
| 320 |
|
|
otype(ofname) /* get object function number from its name */
|
| 321 |
|
|
register char *ofname;
|
| 322 |
|
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{
|
| 323 |
|
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register int i;
|
| 324 |
|
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|
| 325 |
greg |
1.11 |
for (i = 0; i < NUMTYPES; i++)
|
| 326 |
greg |
1.1 |
if (!strcmp(ofun[i].funame, ofname))
|
| 327 |
|
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return(i);
|
| 328 |
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|
| 329 |
|
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return(-1); /* not found */
|
| 330 |
|
|
}
|
| 331 |
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|
| 332 |
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|
| 333 |
|
|
alias(fin) /* transfer alias */
|
| 334 |
|
|
FILE *fin;
|
| 335 |
|
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{
|
| 336 |
|
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char alias[MAXSTR];
|
| 337 |
|
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|
| 338 |
|
|
if (fscanf(fin, "%s", alias) != 1)
|
| 339 |
|
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return(-1);
|
| 340 |
|
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printf("\t%s\n", alias);
|
| 341 |
greg |
1.5 |
return(0);
|
| 342 |
|
|
}
|
| 343 |
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|
| 344 |
|
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|
| 345 |
|
|
m_glow(fin) /* transform arguments for proximity light */
|
| 346 |
|
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FILE *fin;
|
| 347 |
|
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{
|
| 348 |
|
|
register FUNARGS *fa;
|
| 349 |
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|
| 350 |
|
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if ((fa = getfargs(fin)) == NULL)
|
| 351 |
|
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return(-1);
|
| 352 |
|
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if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4)
|
| 353 |
|
|
return(-1);
|
| 354 |
|
|
printf("0\n0\n4");
|
| 355 |
|
|
printf(" %18.12g %18.12g %18.12g",
|
| 356 |
|
|
fa->farg[0], fa->farg[1], fa->farg[2]);
|
| 357 |
|
|
printf(" %18.12g\n", fa->farg[3] * totscale);
|
| 358 |
|
|
freefargs(fa);
|
| 359 |
|
|
return(0);
|
| 360 |
|
|
}
|
| 361 |
|
|
|
| 362 |
|
|
|
| 363 |
|
|
m_spot(fin) /* transform arguments for spotlight */
|
| 364 |
|
|
FILE *fin;
|
| 365 |
|
|
{
|
| 366 |
|
|
double v[3];
|
| 367 |
|
|
register FUNARGS *fa;
|
| 368 |
|
|
|
| 369 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 370 |
|
|
return(-1);
|
| 371 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 7)
|
| 372 |
|
|
return(-1);
|
| 373 |
|
|
printf("0\n0\n7");
|
| 374 |
|
|
printf(" %18.12g %18.12g %18.12g %18.12g\n",
|
| 375 |
|
|
fa->farg[0], fa->farg[1], fa->farg[2], fa->farg[3]);
|
| 376 |
|
|
multv3(v, fa->farg+4, totxform);
|
| 377 |
|
|
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]);
|
| 378 |
|
|
freefargs(fa);
|
| 379 |
greg |
1.1 |
return(0);
|
| 380 |
|
|
}
|
| 381 |
|
|
|
| 382 |
|
|
|
| 383 |
|
|
m_dielectric(fin) /* transform arguments for dielectric */
|
| 384 |
|
|
FILE *fin;
|
| 385 |
|
|
{
|
| 386 |
|
|
double pow();
|
| 387 |
|
|
register FUNARGS *fa;
|
| 388 |
|
|
|
| 389 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 390 |
|
|
return(-1);
|
| 391 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 5)
|
| 392 |
|
|
return(-1);
|
| 393 |
|
|
printf("0\n0\n5");
|
| 394 |
|
|
printf(" %18.12g %18.12g %18.12g",
|
| 395 |
|
|
pow(fa->farg[0], 1.0/totscale),
|
| 396 |
|
|
pow(fa->farg[1], 1.0/totscale),
|
| 397 |
|
|
pow(fa->farg[2], 1.0/totscale));
|
| 398 |
|
|
printf(" %18.12g %18.12g\n", fa->farg[3], fa->farg[4]);
|
| 399 |
|
|
freefargs(fa);
|
| 400 |
|
|
return(0);
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
|
|
|
| 404 |
|
|
m_interface(fin) /* transform arguments for interface */
|
| 405 |
|
|
FILE *fin;
|
| 406 |
|
|
{
|
| 407 |
|
|
double pow();
|
| 408 |
|
|
register FUNARGS *fa;
|
| 409 |
|
|
|
| 410 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 411 |
|
|
return(-1);
|
| 412 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8)
|
| 413 |
|
|
return(-1);
|
| 414 |
|
|
printf("0\n0\n8\n");
|
| 415 |
|
|
printf("%18.12g %18.12g %18.12g",
|
| 416 |
|
|
pow(fa->farg[0], 1.0/totscale),
|
| 417 |
|
|
pow(fa->farg[1], 1.0/totscale),
|
| 418 |
|
|
pow(fa->farg[2], 1.0/totscale));
|
| 419 |
|
|
printf(" %18.12g\n", fa->farg[3]);
|
| 420 |
|
|
printf("%18.12g %18.12g %18.12g",
|
| 421 |
|
|
pow(fa->farg[4], 1.0/totscale),
|
| 422 |
|
|
pow(fa->farg[5], 1.0/totscale),
|
| 423 |
|
|
pow(fa->farg[6], 1.0/totscale));
|
| 424 |
|
|
printf(" %18.12g\n", fa->farg[7]);
|
| 425 |
|
|
freefargs(fa);
|
| 426 |
|
|
return(0);
|
| 427 |
|
|
}
|
| 428 |
|
|
|
| 429 |
|
|
|
| 430 |
|
|
text(fin) /* transform text arguments */
|
| 431 |
|
|
FILE *fin;
|
| 432 |
|
|
{
|
| 433 |
|
|
int i;
|
| 434 |
|
|
double v[3];
|
| 435 |
|
|
register FUNARGS *fa;
|
| 436 |
|
|
|
| 437 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 438 |
|
|
return(-1);
|
| 439 |
|
|
if (fa->niargs != 0 || (fa->nfargs != 9 &&
|
| 440 |
|
|
fa->nfargs != 11 && fa->nfargs != 15))
|
| 441 |
|
|
return(-1);
|
| 442 |
|
|
/* string arguments */
|
| 443 |
|
|
printf("%d", fa->nsargs);
|
| 444 |
|
|
for (i = 0; i < fa->nsargs; i++)
|
| 445 |
|
|
printf(" %s", fa->sarg[i]);
|
| 446 |
|
|
printf("\n0\n%d\n", fa->nfargs);
|
| 447 |
|
|
/* anchor point */
|
| 448 |
|
|
multp3(v, fa->farg, totxform);
|
| 449 |
|
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]);
|
| 450 |
|
|
/* right vector */
|
| 451 |
|
|
multv3(v, fa->farg+3, totxform);
|
| 452 |
|
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]);
|
| 453 |
|
|
/* down vector */
|
| 454 |
|
|
multv3(v, fa->farg+6, totxform);
|
| 455 |
|
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]);
|
| 456 |
|
|
/* forground and background */
|
| 457 |
|
|
if (fa->nfargs == 11)
|
| 458 |
|
|
printf(" %18.12g %18.12g\n", fa->farg[9], fa->farg[10]);
|
| 459 |
|
|
else if (fa->nfargs == 15) {
|
| 460 |
|
|
printf(" %18.12g %18.12g %18.12g\n",
|
| 461 |
|
|
fa->farg[9], fa->farg[10], fa->farg[11]);
|
| 462 |
|
|
printf(" %18.12g %18.12g %18.12g\n",
|
| 463 |
|
|
fa->farg[12], fa->farg[13], fa->farg[14]);
|
| 464 |
|
|
}
|
| 465 |
|
|
freefargs(fa);
|
| 466 |
|
|
return(0);
|
| 467 |
|
|
}
|
| 468 |
|
|
|
| 469 |
|
|
|
| 470 |
|
|
o_source(fin) /* transform source arguments */
|
| 471 |
|
|
FILE *fin;
|
| 472 |
|
|
{
|
| 473 |
|
|
double dv[3];
|
| 474 |
|
|
register FUNARGS *fa;
|
| 475 |
|
|
|
| 476 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 477 |
|
|
return(-1);
|
| 478 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4)
|
| 479 |
|
|
return(-1);
|
| 480 |
|
|
/* transform direction vector */
|
| 481 |
|
|
multv3(dv, fa->farg, totxform);
|
| 482 |
|
|
/* output */
|
| 483 |
|
|
printf("0\n0\n4");
|
| 484 |
|
|
printf(" %18.12g %18.12g %18.12g %18.12g\n",
|
| 485 |
|
|
dv[0], dv[1], dv[2], fa->farg[3]);
|
| 486 |
|
|
freefargs(fa);
|
| 487 |
|
|
return(0);
|
| 488 |
|
|
}
|
| 489 |
|
|
|
| 490 |
|
|
|
| 491 |
|
|
o_sphere(fin) /* transform sphere arguments */
|
| 492 |
|
|
FILE *fin;
|
| 493 |
|
|
{
|
| 494 |
|
|
double cent[3], rad;
|
| 495 |
|
|
register FUNARGS *fa;
|
| 496 |
|
|
|
| 497 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 498 |
|
|
return(-1);
|
| 499 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4)
|
| 500 |
|
|
return(-1);
|
| 501 |
|
|
|
| 502 |
|
|
multp3(cent, fa->farg, totxform); /* transform center */
|
| 503 |
|
|
|
| 504 |
|
|
rad = fa->farg[3] * totscale; /* scale radius */
|
| 505 |
|
|
|
| 506 |
|
|
printf("0\n0\n4");
|
| 507 |
|
|
printf(" %18.12g %18.12g %18.12g %18.12g\n",
|
| 508 |
|
|
cent[0], cent[1], cent[2], rad);
|
| 509 |
|
|
freefargs(fa);
|
| 510 |
|
|
return(0);
|
| 511 |
|
|
}
|
| 512 |
|
|
|
| 513 |
|
|
|
| 514 |
|
|
o_face(fin) /* transform face arguments */
|
| 515 |
|
|
FILE *fin;
|
| 516 |
|
|
{
|
| 517 |
|
|
double p[3];
|
| 518 |
|
|
register int i;
|
| 519 |
|
|
register FUNARGS *fa;
|
| 520 |
|
|
|
| 521 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 522 |
|
|
return(-1);
|
| 523 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs % 3)
|
| 524 |
|
|
return(-1);
|
| 525 |
|
|
|
| 526 |
|
|
printf("0\n0\n%d\n", fa->nfargs);
|
| 527 |
|
|
|
| 528 |
|
|
for (i = 0; i < fa->nfargs; i += 3) {
|
| 529 |
|
|
if (reverse)
|
| 530 |
|
|
multp3(p, fa->farg+(fa->nfargs-i-3), totxform);
|
| 531 |
|
|
else
|
| 532 |
|
|
multp3(p, fa->farg+i, totxform);
|
| 533 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]);
|
| 534 |
|
|
}
|
| 535 |
|
|
freefargs(fa);
|
| 536 |
|
|
return(0);
|
| 537 |
|
|
}
|
| 538 |
|
|
|
| 539 |
|
|
|
| 540 |
|
|
o_cone(fin) /* transform cone and cup arguments */
|
| 541 |
|
|
FILE *fin;
|
| 542 |
|
|
{
|
| 543 |
|
|
double p0[3], p1[3], r0, r1;
|
| 544 |
|
|
register FUNARGS *fa;
|
| 545 |
|
|
|
| 546 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 547 |
|
|
return(-1);
|
| 548 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8)
|
| 549 |
|
|
return(-1);
|
| 550 |
|
|
|
| 551 |
|
|
printf("0\n0\n8\n");
|
| 552 |
|
|
|
| 553 |
|
|
multp3(p0, fa->farg, totxform);
|
| 554 |
|
|
multp3(p1, fa->farg+3, totxform);
|
| 555 |
|
|
r0 = fa->farg[6] * totscale;
|
| 556 |
|
|
r1 = fa->farg[7] * totscale;
|
| 557 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]);
|
| 558 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]);
|
| 559 |
|
|
printf(" %18.12g %18.12g\n", r0, r1);
|
| 560 |
|
|
|
| 561 |
|
|
freefargs(fa);
|
| 562 |
|
|
return(0);
|
| 563 |
|
|
}
|
| 564 |
|
|
|
| 565 |
|
|
|
| 566 |
|
|
o_cylinder(fin) /* transform cylinder and tube arguments */
|
| 567 |
|
|
FILE *fin;
|
| 568 |
|
|
{
|
| 569 |
|
|
double p0[3], p1[3], rad;
|
| 570 |
|
|
register FUNARGS *fa;
|
| 571 |
|
|
|
| 572 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 573 |
|
|
return(-1);
|
| 574 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 7)
|
| 575 |
|
|
return(-1);
|
| 576 |
|
|
|
| 577 |
|
|
printf("0\n0\n7\n");
|
| 578 |
|
|
|
| 579 |
|
|
multp3(p0, fa->farg, totxform);
|
| 580 |
|
|
multp3(p1, fa->farg+3, totxform);
|
| 581 |
|
|
rad = fa->farg[6] * totscale;
|
| 582 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]);
|
| 583 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]);
|
| 584 |
|
|
printf(" %18.12g\n", rad);
|
| 585 |
|
|
freefargs(fa);
|
| 586 |
|
|
return(0);
|
| 587 |
|
|
}
|
| 588 |
|
|
|
| 589 |
|
|
|
| 590 |
|
|
o_ring(fin) /* transform ring arguments */
|
| 591 |
|
|
FILE *fin;
|
| 592 |
|
|
{
|
| 593 |
|
|
double p0[3], pd[3], r0, r1;
|
| 594 |
|
|
register FUNARGS *fa;
|
| 595 |
|
|
|
| 596 |
|
|
if ((fa = getfargs(fin)) == NULL)
|
| 597 |
|
|
return(-1);
|
| 598 |
|
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8)
|
| 599 |
|
|
return(-1);
|
| 600 |
|
|
|
| 601 |
|
|
printf("0\n0\n8\n");
|
| 602 |
|
|
|
| 603 |
|
|
multp3(p0, fa->farg, totxform);
|
| 604 |
|
|
multv3(pd, fa->farg+3, totxform);
|
| 605 |
|
|
r0 = fa->farg[6] * totscale;
|
| 606 |
|
|
r1 = fa->farg[7] * totscale;
|
| 607 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]);
|
| 608 |
|
|
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]);
|
| 609 |
|
|
printf(" %18.12g %18.12g\n", r0, r1);
|
| 610 |
|
|
freefargs(fa);
|
| 611 |
|
|
return(0);
|
| 612 |
|
|
}
|
| 613 |
|
|
|
| 614 |
|
|
|
| 615 |
|
|
FUNARGS *
|
| 616 |
|
|
getfargs(fp) /* get function arguments from stream */
|
| 617 |
|
|
FILE *fp;
|
| 618 |
|
|
{
|
| 619 |
|
|
char *strcpy();
|
| 620 |
|
|
char sbuf[MAXSTR];
|
| 621 |
|
|
int n;
|
| 622 |
|
|
register FUNARGS *fa;
|
| 623 |
|
|
register int i;
|
| 624 |
|
|
|
| 625 |
|
|
if ((fa = (FUNARGS *)malloc((unsigned)sizeof(FUNARGS))) == NULL)
|
| 626 |
|
|
goto memerr;
|
| 627 |
|
|
if (fscanf(fp, "%d", &n) != 1 || n < 0)
|
| 628 |
|
|
return(NULL);
|
| 629 |
|
|
if (fa->nsargs = n) {
|
| 630 |
|
|
fa->sarg = (char **)malloc((unsigned)fa->nsargs*sizeof(char *));
|
| 631 |
|
|
if (fa->sarg == NULL)
|
| 632 |
|
|
goto memerr;
|
| 633 |
|
|
for (i = 0; i < fa->nsargs; i++) {
|
| 634 |
|
|
if (fscanf(fp, "%s", sbuf) != 1)
|
| 635 |
|
|
return(NULL);
|
| 636 |
|
|
if ((fa->sarg[i] = malloc((unsigned)strlen(sbuf)+1)) == NULL)
|
| 637 |
|
|
goto memerr;
|
| 638 |
|
|
strcpy(fa->sarg[i], sbuf);
|
| 639 |
|
|
}
|
| 640 |
|
|
} else
|
| 641 |
|
|
fa->sarg = NULL;
|
| 642 |
|
|
if (fscanf(fp, "%d", &n) != 1 || n < 0)
|
| 643 |
|
|
return(NULL);
|
| 644 |
|
|
if (fa->niargs = n) {
|
| 645 |
|
|
fa->iarg = (int *)malloc((unsigned)fa->niargs*sizeof(int));
|
| 646 |
|
|
if (fa->iarg == NULL)
|
| 647 |
|
|
goto memerr;
|
| 648 |
|
|
for (i = 0; i < fa->niargs; i++)
|
| 649 |
|
|
if (fscanf(fp, "%d", &fa->iarg[i]) != 1)
|
| 650 |
|
|
return(NULL);
|
| 651 |
|
|
} else
|
| 652 |
|
|
fa->iarg = NULL;
|
| 653 |
|
|
if (fscanf(fp, "%d", &n) != 1 || n < 0)
|
| 654 |
|
|
return(NULL);
|
| 655 |
|
|
if (fa->nfargs = n) {
|
| 656 |
|
|
fa->farg = (double *)malloc((unsigned)fa->nfargs*sizeof(double));
|
| 657 |
|
|
if (fa->farg == NULL)
|
| 658 |
|
|
goto memerr;
|
| 659 |
|
|
for (i = 0; i < fa->nfargs; i++)
|
| 660 |
|
|
if (fscanf(fp, "%lf", &fa->farg[i]) != 1)
|
| 661 |
|
|
return(NULL);
|
| 662 |
|
|
} else
|
| 663 |
|
|
fa->farg = NULL;
|
| 664 |
|
|
return(fa);
|
| 665 |
|
|
memerr:
|
| 666 |
|
|
fprintf(stderr, "%s: out of memory in getfargs\n", progname);
|
| 667 |
|
|
exit(1);
|
| 668 |
|
|
}
|
| 669 |
|
|
|
| 670 |
|
|
|
| 671 |
|
|
freefargs(fa) /* free memory associated with fa */
|
| 672 |
|
|
register FUNARGS *fa;
|
| 673 |
|
|
{
|
| 674 |
|
|
register int i;
|
| 675 |
|
|
|
| 676 |
|
|
for (i = 0; i < fa->nsargs; i++)
|
| 677 |
|
|
free(fa->sarg[i]);
|
| 678 |
|
|
if (fa->nsargs)
|
| 679 |
|
|
free(fa->sarg);
|
| 680 |
|
|
if (fa->niargs)
|
| 681 |
|
|
free(fa->iarg);
|
| 682 |
|
|
if (fa->nfargs)
|
| 683 |
|
|
free(fa->farg);
|
| 684 |
|
|
free(fa);
|
| 685 |
greg |
1.11 |
}
|
| 686 |
|
|
|
| 687 |
|
|
|
| 688 |
|
|
initotypes() /* initialize ofun[] array */
|
| 689 |
|
|
{
|
| 690 |
|
|
extern int o_source();
|
| 691 |
|
|
extern int o_sphere();
|
| 692 |
|
|
extern int o_face();
|
| 693 |
|
|
extern int o_cone();
|
| 694 |
|
|
extern int o_cylinder();
|
| 695 |
|
|
extern int o_ring();
|
| 696 |
|
|
extern int m_glow();
|
| 697 |
|
|
extern int m_spot();
|
| 698 |
|
|
extern int m_dielectric();
|
| 699 |
|
|
extern int m_interface();
|
| 700 |
|
|
extern int text();
|
| 701 |
|
|
extern int alias();
|
| 702 |
|
|
extern int passargs();
|
| 703 |
|
|
extern int addxform();
|
| 704 |
|
|
register int i;
|
| 705 |
|
|
|
| 706 |
|
|
if (ofun[OBJ_SOURCE].funp == o_source)
|
| 707 |
|
|
return; /* done already */
|
| 708 |
|
|
/* alias is additional */
|
| 709 |
|
|
ofun[ALIAS].funame = ALIASID;
|
| 710 |
|
|
ofun[ALIAS].flags = 0;
|
| 711 |
|
|
/* functions get new transform */
|
| 712 |
|
|
for (i = 0; i < NUMTYPES; i++)
|
| 713 |
|
|
if (hasfunc(i))
|
| 714 |
|
|
ofun[i].funp = addxform;
|
| 715 |
|
|
/* special cases */
|
| 716 |
|
|
ofun[OBJ_SOURCE].funp = o_source;
|
| 717 |
|
|
ofun[OBJ_SPHERE].funp =
|
| 718 |
|
|
ofun[OBJ_BUBBLE].funp = o_sphere;
|
| 719 |
|
|
ofun[OBJ_FACE].funp = o_face;
|
| 720 |
|
|
ofun[OBJ_CONE].funp =
|
| 721 |
|
|
ofun[OBJ_CUP].funp = o_cone;
|
| 722 |
|
|
ofun[OBJ_CYLINDER].funp =
|
| 723 |
|
|
ofun[OBJ_TUBE].funp = o_cylinder;
|
| 724 |
|
|
ofun[OBJ_RING].funp = o_ring;
|
| 725 |
|
|
ofun[OBJ_INSTANCE].funp = addxform;
|
| 726 |
|
|
ofun[MAT_GLOW].funp = m_glow;
|
| 727 |
|
|
ofun[MAT_SPOT].funp = m_spot;
|
| 728 |
|
|
ofun[MAT_DIELECTRIC].funp = m_dielectric;
|
| 729 |
|
|
ofun[MAT_INTERFACE].funp = m_interface;
|
| 730 |
|
|
ofun[PAT_CTEXT].funp =
|
| 731 |
|
|
ofun[PAT_BTEXT].funp =
|
| 732 |
|
|
ofun[MIX_TEXT].funp = text;
|
| 733 |
|
|
ofun[ALIAS].funp = alias;
|
| 734 |
greg |
1.1 |
}
|
