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/* Copyright (c) 1996 Regents of the University of California */ |
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|
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#ifndef lint |
4 |
static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
6 |
|
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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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|
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#include "standard.h" |
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|
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#include "paths.h" |
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|
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#include <ctype.h> |
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|
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#include "object.h" |
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|
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#include "otypes.h" |
24 |
|
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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 */ |
28 |
|
29 |
XF tot; /* total transformation */ |
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int reverse; /* boolean true if scene mirrored */ |
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|
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int invert = 0; /* boolean true to invert surfaces */ |
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|
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int expand = 0; /* boolean true to expand commands */ |
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|
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char *newmod = NULL; /* new modifier for surfaces */ |
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|
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char *idprefix = NULL; /* prefix for object identifiers */ |
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|
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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|
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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|
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FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */ |
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|
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short tinvers[NUMOTYPE]; /* inverse types for surfaces */ |
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|
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int nrept = 1; /* number of array repetitions */ |
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|
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extern char *malloc(), *fgetword(); |
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|
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char *mainfn[MAXPATH]; /* main file name */ |
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FILE *mainfp = NULL; /* main file pointer */ |
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|
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#define progname (xav[0]) |
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|
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|
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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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char *fname; |
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int a; |
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/* 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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|
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initotypes(); |
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|
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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 'm': |
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if (argv[a][2] || a+1 >= argc) |
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break; |
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newmod = argv[++a]; |
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continue; |
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case 'n': |
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if (argv[a][2] || a+1 >= argc) |
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break; |
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idprefix = argv[++a]; |
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continue; |
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case 'e': |
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if (argv[a][2]) |
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break; |
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expand = 1; |
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continue; |
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case 'I': |
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if (argv[a][2]) |
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break; |
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invert = 1; |
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continue; |
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} |
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break; |
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} |
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|
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xav = argv; |
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xfa = a; |
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|
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a += xf(&tot, argc-a, argv+a); |
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|
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if (reverse = tot.sca < 0.0) |
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tot.sca = -tot.sca; |
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if (invert) |
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reverse = !reverse; |
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|
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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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|
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xac = a; |
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/* simple header */ |
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putchar('#'); |
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for (a = 0; a < xac; a++) |
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printf(" %s", xav[a]); |
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putchar('\n'); |
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/* transform input */ |
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if (xac == argc) { |
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openmain(NULL); |
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xform(mainfn, mainfp); |
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} else |
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for (a = xac; a < argc; a++) { |
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openmain(argv[a]); |
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xform(mainfn, mainfp); |
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} |
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|
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return(0); |
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} |
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|
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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 n, i, err; |
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|
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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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nrept *= n = atoi(av[ai+1]); |
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err = 0; |
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for (i = 0; i < n; 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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} |
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|
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|
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xform(name, fin) /* transform stream by tot.xfm */ |
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char *name; |
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register FILE *fin; |
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{ |
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int nobjs = 0; |
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register int c; |
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|
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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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xfcomm(name, fin); |
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nobjs++; |
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} else { /* object */ |
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ungetc(c, fin); |
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xfobject(name, fin); |
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nobjs++; |
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} |
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} |
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if (nobjs == 0) |
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fprintf(stderr, "%s: (%s): warning - empty file\n", |
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progname, name); |
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} |
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|
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|
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xfcomm(fname, fin) /* transform a command */ |
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char *fname; |
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FILE *fin; |
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{ |
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extern FILE *popen(); |
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extern char *fgetline(); |
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FILE *pin; |
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char buf[512]; |
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int i; |
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|
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fgetline(buf, sizeof(buf), fin); |
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if (expand) { |
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if ((pin = popen(buf+1, "r")) == NULL) { |
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fprintf(stderr, "%s: (%s): cannot execute \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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} |
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xform(buf, pin); |
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pclose(pin); |
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} else { |
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printf("\n%s", buf); |
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if (xac > 1) { |
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printf(" | %s -e", xav[0]); |
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for (i = 1; i < xac; i++) |
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printf(" %s", xav[i]); |
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} |
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putchar('\n'); |
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} |
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} |
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|
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|
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xfobject(fname, fin) /* transform an object */ |
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char *fname; |
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FILE *fin; |
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{ |
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extern char *strcpy(); |
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char typ[16], nam[MAXSTR]; |
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int fn; |
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/* modifier and type */ |
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strcpy(typ, "EOF"); |
248 |
fgetword(nam, sizeof(nam), fin); |
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fgetword(typ, sizeof(typ), fin); |
250 |
if ((fn = otype(typ)) < 0) { |
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fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n", |
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progname, fname, typ); |
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exit(1); |
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} |
255 |
if (ismodifier(fn)) |
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printf("\n%s %s ", nam, typ); |
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else |
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printf("\n%s %s ", newmod != NULL ? newmod : nam, |
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invert ? ofun[tinvers[fn]].funame : typ); |
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/* object name */ |
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fgetword(nam, sizeof(nam), fin); |
262 |
if (idprefix == NULL || ismodifier(fn)) |
263 |
printf("%s\n", nam); |
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else |
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printf("%s.%s\n", idprefix, nam); |
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/* transform arguments */ |
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if ((*ofun[fn].funp)(fin) < 0) { |
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fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
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progname, fname, ofun[fn].funame, nam); |
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exit(1); |
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} |
272 |
} |
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|
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|
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o_default(fin) /* pass on arguments unchanged */ |
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FILE *fin; |
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{ |
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register int i; |
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FUNARGS fa; |
280 |
|
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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/* string arguments */ |
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printf("%d", fa.nsargs); |
285 |
for (i = 0; i < fa.nsargs; i++) |
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printf(" %s", fa.sarg[i]); |
287 |
printf("\n"); |
288 |
#ifdef IARGS |
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/* integer arguments */ |
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printf("%d", fa.niargs); |
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for (i = 0; i < fa.niargs; i++) |
292 |
printf(" %d", fa.iarg[i]); |
293 |
printf("\n"); |
294 |
#else |
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printf("0\n"); |
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#endif |
297 |
/* float arguments */ |
298 |
printf("%d", fa.nfargs); |
299 |
for (i = 0; i < fa.nfargs; i++) |
300 |
printf(" %18.12g", fa.farg[i]); |
301 |
printf("\n"); |
302 |
freefargs(&fa); |
303 |
return(0); |
304 |
} |
305 |
|
306 |
|
307 |
addxform(fin) /* add xf arguments to strings */ |
308 |
FILE *fin; |
309 |
{ |
310 |
register int i; |
311 |
int resetarr = 0; |
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FUNARGS fa; |
313 |
|
314 |
if (readfargs(&fa, fin) != 1) |
315 |
return(-1); |
316 |
/* string arguments */ |
317 |
if (xac > xfa && strcmp(xav[xfa], "-i")) |
318 |
resetarr = 2; |
319 |
printf("%d", fa.nsargs + resetarr + xac-xfa); |
320 |
for (i = 0; i < fa.nsargs; i++) |
321 |
printf(" %s", fa.sarg[i]); |
322 |
if (resetarr) |
323 |
printf(" -i 1"); |
324 |
for (i = xfa; i < xac; i++) /* add xf arguments */ |
325 |
printf(" %s", xav[i]); |
326 |
printf("\n"); |
327 |
#ifdef IARGS |
328 |
/* integer arguments */ |
329 |
printf("%d", fa.niargs); |
330 |
for (i = 0; i < fa.niargs; i++) |
331 |
printf(" %d", fa.iarg[i]); |
332 |
printf("\n"); |
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#else |
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printf("0\n"); |
335 |
#endif |
336 |
/* float arguments */ |
337 |
printf("%d", fa.nfargs); |
338 |
for (i = 0; i < fa.nfargs; i++) |
339 |
printf(" %18.12g", fa.farg[i]); |
340 |
printf("\n"); |
341 |
freefargs(&fa); |
342 |
return(0); |
343 |
} |
344 |
|
345 |
|
346 |
int |
347 |
otype(ofname) /* get object function number from its name */ |
348 |
register char *ofname; |
349 |
{ |
350 |
register int i; |
351 |
|
352 |
for (i = 0; i < NUMTYPES; i++) |
353 |
if (!strcmp(ofun[i].funame, ofname)) |
354 |
return(i); |
355 |
|
356 |
return(-1); /* not found */ |
357 |
} |
358 |
|
359 |
|
360 |
alias(fin) /* transfer alias */ |
361 |
FILE *fin; |
362 |
{ |
363 |
char aliasnm[MAXSTR]; |
364 |
|
365 |
if (fgetword(aliasnm, MAXSTR, fin) == NULL) |
366 |
return(-1); |
367 |
printf("\t%s\n", aliasnm); |
368 |
return(0); |
369 |
} |
370 |
|
371 |
|
372 |
m_glow(fin) /* transform arguments for proximity light */ |
373 |
FILE *fin; |
374 |
{ |
375 |
FUNARGS fa; |
376 |
|
377 |
if (readfargs(&fa, fin) != 1) |
378 |
return(-1); |
379 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
380 |
return(-1); |
381 |
printf("0\n0\n4"); |
382 |
printf(" %18.12g %18.12g %18.12g", |
383 |
fa.farg[0], fa.farg[1], fa.farg[2]); |
384 |
printf(" %18.12g\n", fa.farg[3] * tot.sca); |
385 |
freefargs(&fa); |
386 |
return(0); |
387 |
} |
388 |
|
389 |
|
390 |
m_spot(fin) /* transform arguments for spotlight */ |
391 |
FILE *fin; |
392 |
{ |
393 |
FVECT v; |
394 |
FUNARGS fa; |
395 |
|
396 |
if (readfargs(&fa, fin) != 1) |
397 |
return(-1); |
398 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
399 |
return(-1); |
400 |
printf("0\n0\n7"); |
401 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
402 |
fa.farg[0], fa.farg[1], fa.farg[2], fa.farg[3]); |
403 |
multv3(v, fa.farg+4, tot.xfm); |
404 |
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
405 |
freefargs(&fa); |
406 |
return(0); |
407 |
} |
408 |
|
409 |
|
410 |
m_mist(fin) /* transform arguments for mist */ |
411 |
FILE *fin; |
412 |
{ |
413 |
FUNARGS fa; |
414 |
int i; |
415 |
|
416 |
if (readfargs(&fa, fin) != 1) |
417 |
return(-1); |
418 |
if (fa.nfargs > 5) |
419 |
return(-1); |
420 |
printf("%d", fa.nsargs); |
421 |
if (idprefix == NULL) |
422 |
for (i = 0; i < fa.nsargs; i++) |
423 |
printf(" %s", fa.sarg[i]); |
424 |
else |
425 |
for (i = 0; i < fa.nsargs; i++) { |
426 |
char sname[256], *sp; |
427 |
register char *cp1, *cp2 = sname; |
428 |
/* add idprefix */ |
429 |
for (sp = fa.sarg[i]; *sp; sp = cp1) { |
430 |
for (cp1 = idprefix; *cp1; ) |
431 |
*cp2++ = *cp1++; |
432 |
*cp2++ = '.'; |
433 |
for (cp1 = sp; *cp1 && |
434 |
(*cp2++ = *cp1++) != '>'; ) |
435 |
; |
436 |
} |
437 |
*cp2 = '\0'; |
438 |
printf(" %s", sname); |
439 |
} |
440 |
printf("\n0\n%d", fa.nfargs); |
441 |
if (fa.nfargs > 2) |
442 |
printf(" %12.6g %12.6g %12.6g", fa.farg[0]/tot.sca, |
443 |
fa.farg[1]/tot.sca, fa.farg[2]/tot.sca); |
444 |
if (fa.nfargs > 3) |
445 |
printf(" %12.6g", fa.farg[3]); |
446 |
if (fa.nfargs > 4) |
447 |
printf(" %12.6g", fa.farg[4]); |
448 |
printf("\n"); |
449 |
freefargs(&fa); |
450 |
return(0); |
451 |
} |
452 |
|
453 |
|
454 |
m_dielectric(fin) /* transform arguments for dielectric */ |
455 |
FILE *fin; |
456 |
{ |
457 |
FUNARGS fa; |
458 |
|
459 |
if (readfargs(&fa, fin) != 1) |
460 |
return(-1); |
461 |
if (fa.nsargs != 0 || fa.nfargs != 5) |
462 |
return(-1); |
463 |
printf("0\n0\n5"); |
464 |
printf(" %12.6g %12.6g %12.6g", |
465 |
pow(fa.farg[0], 1.0/tot.sca), |
466 |
pow(fa.farg[1], 1.0/tot.sca), |
467 |
pow(fa.farg[2], 1.0/tot.sca)); |
468 |
printf(" %12.6g %12.6g\n", fa.farg[3], fa.farg[4]); |
469 |
freefargs(&fa); |
470 |
return(0); |
471 |
} |
472 |
|
473 |
|
474 |
m_interface(fin) /* transform arguments for interface */ |
475 |
FILE *fin; |
476 |
{ |
477 |
FUNARGS fa; |
478 |
|
479 |
if (readfargs(&fa, fin) != 1) |
480 |
return(-1); |
481 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
482 |
return(-1); |
483 |
printf("0\n0\n8\n"); |
484 |
printf("%12.6g %12.6g %12.6g", |
485 |
pow(fa.farg[0], 1.0/tot.sca), |
486 |
pow(fa.farg[1], 1.0/tot.sca), |
487 |
pow(fa.farg[2], 1.0/tot.sca)); |
488 |
printf(" %12.6g\n", fa.farg[3]); |
489 |
printf("%12.6g %12.6g %12.6g", |
490 |
pow(fa.farg[4], 1.0/tot.sca), |
491 |
pow(fa.farg[5], 1.0/tot.sca), |
492 |
pow(fa.farg[6], 1.0/tot.sca)); |
493 |
printf(" %12.6g\n", fa.farg[7]); |
494 |
freefargs(&fa); |
495 |
return(0); |
496 |
} |
497 |
|
498 |
|
499 |
text(fin) /* transform text arguments */ |
500 |
FILE *fin; |
501 |
{ |
502 |
int i; |
503 |
FVECT v; |
504 |
FUNARGS fa; |
505 |
|
506 |
if (readfargs(&fa, fin) != 1) |
507 |
return(-1); |
508 |
if (fa.nfargs < 9) |
509 |
return(-1); |
510 |
/* string arguments */ |
511 |
printf("%d", fa.nsargs); |
512 |
for (i = 0; i < fa.nsargs; i++) |
513 |
printf(" %s", fa.sarg[i]); |
514 |
printf("\n0\n%d\n", fa.nfargs); |
515 |
/* anchor point */ |
516 |
multp3(v, fa.farg, tot.xfm); |
517 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
518 |
/* right vector */ |
519 |
multv3(v, fa.farg+3, tot.xfm); |
520 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
521 |
/* down vector */ |
522 |
multv3(v, fa.farg+6, tot.xfm); |
523 |
printf(" %18.12g %18.12g %18.12g", v[0], v[1], v[2]); |
524 |
/* remaining arguments */ |
525 |
for (i = 9; i < fa.nfargs; i++) { |
526 |
if (i%3 == 0) |
527 |
putchar('\n'); |
528 |
printf(" %18.12g", fa.farg[i]); |
529 |
} |
530 |
putchar('\n'); |
531 |
freefargs(&fa); |
532 |
return(0); |
533 |
} |
534 |
|
535 |
|
536 |
o_source(fin) /* transform source arguments */ |
537 |
FILE *fin; |
538 |
{ |
539 |
FVECT dv; |
540 |
FUNARGS fa; |
541 |
|
542 |
if (readfargs(&fa, fin) != 1) |
543 |
return(-1); |
544 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
545 |
return(-1); |
546 |
/* transform direction vector */ |
547 |
multv3(dv, fa.farg, tot.xfm); |
548 |
/* output */ |
549 |
printf("0\n0\n4"); |
550 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
551 |
dv[0], dv[1], dv[2], fa.farg[3]); |
552 |
freefargs(&fa); |
553 |
return(0); |
554 |
} |
555 |
|
556 |
|
557 |
o_sphere(fin) /* transform sphere arguments */ |
558 |
FILE *fin; |
559 |
{ |
560 |
FVECT cent; |
561 |
double rad; |
562 |
FUNARGS fa; |
563 |
|
564 |
if (readfargs(&fa, fin) != 1) |
565 |
return(-1); |
566 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
567 |
return(-1); |
568 |
|
569 |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
570 |
|
571 |
rad = fa.farg[3] * tot.sca; /* scale radius */ |
572 |
|
573 |
printf("0\n0\n4"); |
574 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
575 |
cent[0], cent[1], cent[2], rad); |
576 |
freefargs(&fa); |
577 |
return(0); |
578 |
} |
579 |
|
580 |
|
581 |
o_face(fin) /* transform face arguments */ |
582 |
FILE *fin; |
583 |
{ |
584 |
FVECT p; |
585 |
register int i; |
586 |
FUNARGS fa; |
587 |
|
588 |
if (readfargs(&fa, fin) != 1) |
589 |
return(-1); |
590 |
if (fa.nsargs != 0 || fa.nfargs % 3) |
591 |
return(-1); |
592 |
|
593 |
printf("0\n0\n%d\n", fa.nfargs); |
594 |
|
595 |
for (i = 0; i < fa.nfargs; i += 3) { |
596 |
if (reverse) |
597 |
multp3(p, fa.farg+(fa.nfargs-i-3), tot.xfm); |
598 |
else |
599 |
multp3(p, fa.farg+i, tot.xfm); |
600 |
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]); |
601 |
} |
602 |
freefargs(&fa); |
603 |
return(0); |
604 |
} |
605 |
|
606 |
|
607 |
o_cone(fin) /* transform cone and cup arguments */ |
608 |
FILE *fin; |
609 |
{ |
610 |
FVECT p0, p1; |
611 |
double r0, r1; |
612 |
FUNARGS fa; |
613 |
|
614 |
if (readfargs(&fa, fin) != 1) |
615 |
return(-1); |
616 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
617 |
return(-1); |
618 |
|
619 |
printf("0\n0\n8\n"); |
620 |
|
621 |
multp3(p0, fa.farg, tot.xfm); |
622 |
multp3(p1, fa.farg+3, tot.xfm); |
623 |
r0 = fa.farg[6] * tot.sca; |
624 |
r1 = fa.farg[7] * tot.sca; |
625 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
626 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
627 |
printf(" %18.12g %18.12g\n", r0, r1); |
628 |
|
629 |
freefargs(&fa); |
630 |
return(0); |
631 |
} |
632 |
|
633 |
|
634 |
o_cylinder(fin) /* transform cylinder and tube arguments */ |
635 |
FILE *fin; |
636 |
{ |
637 |
FVECT p0, p1; |
638 |
double rad; |
639 |
FUNARGS fa; |
640 |
|
641 |
if (readfargs(&fa, fin) != 1) |
642 |
return(-1); |
643 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
644 |
return(-1); |
645 |
|
646 |
printf("0\n0\n7\n"); |
647 |
|
648 |
multp3(p0, fa.farg, tot.xfm); |
649 |
multp3(p1, fa.farg+3, tot.xfm); |
650 |
rad = fa.farg[6] * tot.sca; |
651 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
652 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
653 |
printf(" %18.12g\n", rad); |
654 |
freefargs(&fa); |
655 |
return(0); |
656 |
} |
657 |
|
658 |
|
659 |
o_ring(fin) /* transform ring arguments */ |
660 |
FILE *fin; |
661 |
{ |
662 |
FVECT p0, pd; |
663 |
double r0, r1; |
664 |
FUNARGS fa; |
665 |
|
666 |
if (readfargs(&fa, fin) != 1) |
667 |
return(-1); |
668 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
669 |
return(-1); |
670 |
|
671 |
printf("0\n0\n8\n"); |
672 |
|
673 |
multp3(p0, fa.farg, tot.xfm); |
674 |
multv3(pd, fa.farg+3, tot.xfm); |
675 |
if (invert) { |
676 |
pd[0] = -pd[0]; |
677 |
pd[1] = -pd[1]; |
678 |
pd[2] = -pd[2]; |
679 |
} |
680 |
r0 = fa.farg[6] * tot.sca; |
681 |
r1 = fa.farg[7] * tot.sca; |
682 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
683 |
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]); |
684 |
printf(" %18.12g %18.12g\n", r0, r1); |
685 |
freefargs(&fa); |
686 |
return(0); |
687 |
} |
688 |
|
689 |
|
690 |
initotypes() /* initialize ofun[] array */ |
691 |
{ |
692 |
register int i; |
693 |
|
694 |
if (ofun[OBJ_SOURCE].funp == o_source) |
695 |
return; /* done already */ |
696 |
/* alias is additional */ |
697 |
ofun[ALIAS].funame = ALIASID; |
698 |
ofun[ALIAS].flags = 0; |
699 |
/* functions get new transform */ |
700 |
for (i = 0; i < NUMTYPES; i++) |
701 |
if (hasfunc(i)) |
702 |
ofun[i].funp = addxform; |
703 |
/* special cases */ |
704 |
ofun[OBJ_SOURCE].funp = o_source; |
705 |
ofun[OBJ_SPHERE].funp = |
706 |
ofun[OBJ_BUBBLE].funp = o_sphere; |
707 |
ofun[OBJ_FACE].funp = o_face; |
708 |
ofun[OBJ_CONE].funp = |
709 |
ofun[OBJ_CUP].funp = o_cone; |
710 |
ofun[OBJ_CYLINDER].funp = |
711 |
ofun[OBJ_TUBE].funp = o_cylinder; |
712 |
ofun[OBJ_RING].funp = o_ring; |
713 |
ofun[OBJ_INSTANCE].funp = addxform; |
714 |
ofun[MAT_GLOW].funp = m_glow; |
715 |
ofun[MAT_SPOT].funp = m_spot; |
716 |
ofun[MAT_DIELECTRIC].funp = m_dielectric; |
717 |
ofun[MAT_INTERFACE].funp = m_interface; |
718 |
ofun[MAT_MIST].funp = m_mist; |
719 |
ofun[PAT_CTEXT].funp = |
720 |
ofun[PAT_BTEXT].funp = |
721 |
ofun[MIX_TEXT].funp = text; |
722 |
ofun[ALIAS].funp = alias; |
723 |
/* surface inverses */ |
724 |
tinvers[OBJ_FACE] = OBJ_FACE; |
725 |
tinvers[OBJ_SOURCE] = OBJ_SOURCE; |
726 |
tinvers[OBJ_CONE] = OBJ_CUP; |
727 |
tinvers[OBJ_CUP] = OBJ_CONE; |
728 |
tinvers[OBJ_SPHERE] = OBJ_BUBBLE; |
729 |
tinvers[OBJ_BUBBLE] = OBJ_SPHERE; |
730 |
tinvers[OBJ_RING] = OBJ_RING; |
731 |
tinvers[OBJ_CYLINDER] = OBJ_TUBE; |
732 |
tinvers[OBJ_TUBE] = OBJ_CYLINDER; |
733 |
tinvers[OBJ_INSTANCE] = OBJ_INSTANCE; /* oh, well */ |
734 |
} |
735 |
|
736 |
|
737 |
#ifdef OLDXFORM |
738 |
openmain(fname) |
739 |
char *fname; |
740 |
{ |
741 |
if (fname == NULL) { |
742 |
strcpy(mainfn, "standard input"); |
743 |
mainfp = stdin; |
744 |
return; |
745 |
} |
746 |
if (mainfp != NULL) { |
747 |
if (!strcmp(fname, mainfn)) { |
748 |
rewind(mainfp); |
749 |
return; |
750 |
} |
751 |
fclose(mainfp); |
752 |
} |
753 |
if ((mainfp = fopen(fname, "r")) == NULL) { |
754 |
fprintf(stderr, "%s: cannot open file \"%s\"\n", |
755 |
progname, fname); |
756 |
exit(1); |
757 |
} |
758 |
strcpy(mainfn, fname); |
759 |
} |
760 |
#else |
761 |
openmain(fname) /* open fname for input, changing to its directory */ |
762 |
char *fname; |
763 |
{ |
764 |
extern FILE *tmpfile(); |
765 |
extern char *getlibpath(), *getpath(); |
766 |
static char origdir[MAXPATH]; |
767 |
static char curdir[MAXPATH]; |
768 |
char newdir[MAXPATH], *cp; |
769 |
|
770 |
if (fname == NULL) { /* standard input */ |
771 |
if (mainfp == NULL) { |
772 |
register int c; |
773 |
strcpy(mainfn, "standard input"); |
774 |
if (nrept <= 1) { |
775 |
mainfp = stdin; |
776 |
return; /* just read once */ |
777 |
} |
778 |
/* else copy */ |
779 |
if ((mainfp = tmpfile()) == NULL) { |
780 |
fprintf(stderr, |
781 |
"%s: cannot create temporary file\n", |
782 |
progname); |
783 |
exit(1); |
784 |
} |
785 |
while ((c = getc(stdin)) != EOF) |
786 |
putc(c, mainfp); |
787 |
fclose(stdin); |
788 |
} |
789 |
rewind(mainfp); /* rewind copy */ |
790 |
return; |
791 |
} |
792 |
/* get full path */ |
793 |
if ((cp = getpath(fname, getlibpath(), R_OK)) == NULL) { |
794 |
fprintf(stderr, "%s: cannot find file \"%s\"\n", |
795 |
progname, fname); |
796 |
exit(1); |
797 |
} |
798 |
if (cp[0] == '.' && ISDIRSEP(cp[1])) /* remove leading ./ */ |
799 |
cp += 2; |
800 |
if (mainfp == NULL) { /* first call, initialize */ |
801 |
getwd(origdir); |
802 |
strcpy(curdir, origdir); |
803 |
} else if (!strcmp(cp, mainfn)) { /* just need to rewind? */ |
804 |
rewind(mainfp); |
805 |
return; |
806 |
} else /* else close old stream */ |
807 |
fclose(mainfp); |
808 |
/* record path name */ |
809 |
strcpy(mainfn, cp); |
810 |
if (expand) { /* get directory component */ |
811 |
if (ISDIRSEP(cp[0])) |
812 |
strcpy(newdir, cp); |
813 |
else |
814 |
sprintf(newdir, "%s%c%s", origdir, DIRSEP, cp); |
815 |
for (cp = newdir+strlen(newdir); !ISDIRSEP(cp[-1]); cp--) |
816 |
; |
817 |
*cp = '\0'; |
818 |
if (strcmp(newdir, curdir)) { /* change to new directory? */ |
819 |
if (chdir(newdir) < 0) { |
820 |
fprintf(stderr, |
821 |
"%s: cannot change directory to \"%s\"\n", |
822 |
progname, newdir); |
823 |
exit(1); |
824 |
} |
825 |
strcpy(curdir, newdir); |
826 |
} |
827 |
/* get final path component */ |
828 |
for (cp = fname+strlen(fname); |
829 |
cp > fname && !ISDIRSEP(cp[-1]); cp--) |
830 |
; |
831 |
} |
832 |
/* open the file */ |
833 |
if ((mainfp = fopen(cp, "r")) == NULL) { |
834 |
fprintf(stderr, "%s: cannot open file \"%s\"\n", |
835 |
progname, mainfn); |
836 |
exit(1); |
837 |
} |
838 |
} |
839 |
#endif |