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/* Copyright (c) 1991 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 <ctype.h> |
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|
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#include "object.h" |
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|
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#include "otypes.h" |
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|
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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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|
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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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extern char *malloc(), *fgetword(); |
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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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FILE *fopen(); |
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FILE *fp; |
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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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xform("standard input", stdin); |
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else |
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for (a = xac; a < argc; a++) { |
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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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|
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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 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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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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} |
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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; |
175 |
{ |
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register int c; |
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|
178 |
while ((c = getc(fin)) != EOF) { |
179 |
if (isspace(c)) /* blank */ |
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continue; |
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if (c == '#') { /* comment */ |
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putchar(c); |
183 |
do { |
184 |
if ((c = getc(fin)) == EOF) |
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return; |
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putchar(c); |
187 |
} while (c != '\n'); |
188 |
} else if (c == '!') { /* command */ |
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ungetc(c, fin); |
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xfcomm(name, fin); |
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} 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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|
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|
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xfcomm(fname, fin) /* transform a command */ |
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FILE *fin; |
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{ |
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FILE *popen(); |
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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); |
209 |
if (expand) { |
210 |
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); |
219 |
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"); |
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fgetword(nam, sizeof(nam), fin); |
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fgetword(typ, sizeof(typ), fin); |
240 |
if ((fn = otype(typ)) < 0) { |
241 |
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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} |
245 |
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); |
252 |
if (idprefix == NULL || ismodifier(fn)) |
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printf("%s\n", nam); |
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else |
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printf("%s.%s\n", idprefix, nam); |
256 |
/* transform arguments */ |
257 |
if ((*ofun[fn].funp)(fin) < 0) { |
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fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
259 |
progname, fname, ofun[fn].funame, nam); |
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exit(1); |
261 |
} |
262 |
} |
263 |
|
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|
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o_default(fin) /* pass on arguments unchanged */ |
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FILE *fin; |
267 |
{ |
268 |
register int i; |
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FUNARGS fa; |
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|
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
273 |
/* string arguments */ |
274 |
printf("%d", fa.nsargs); |
275 |
for (i = 0; i < fa.nsargs; i++) |
276 |
printf(" %s", fa.sarg[i]); |
277 |
printf("\n"); |
278 |
#ifdef IARGS |
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/* integer arguments */ |
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printf("%d", fa.niargs); |
281 |
for (i = 0; i < fa.niargs; i++) |
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printf(" %d", fa.iarg[i]); |
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printf("\n"); |
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#else |
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printf("0\n"); |
286 |
#endif |
287 |
/* float arguments */ |
288 |
printf("%d", fa.nfargs); |
289 |
for (i = 0; i < fa.nfargs; i++) |
290 |
printf(" %18.12g", fa.farg[i]); |
291 |
printf("\n"); |
292 |
freefargs(&fa); |
293 |
return(0); |
294 |
} |
295 |
|
296 |
|
297 |
addxform(fin) /* add xf arguments to strings */ |
298 |
FILE *fin; |
299 |
{ |
300 |
register int i; |
301 |
int resetarr = 0; |
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FUNARGS fa; |
303 |
|
304 |
if (readfargs(&fa, fin) != 1) |
305 |
return(-1); |
306 |
/* string arguments */ |
307 |
if (xac > xfa && strcmp(xav[xfa], "-i")) |
308 |
resetarr = 2; |
309 |
printf("%d", fa.nsargs + resetarr + xac-xfa); |
310 |
for (i = 0; i < fa.nsargs; i++) |
311 |
printf(" %s", fa.sarg[i]); |
312 |
if (resetarr) |
313 |
printf(" -i 1"); |
314 |
for (i = xfa; i < xac; i++) /* add xf arguments */ |
315 |
printf(" %s", xav[i]); |
316 |
printf("\n"); |
317 |
#ifdef IARGS |
318 |
/* integer arguments */ |
319 |
printf("%d", fa.niargs); |
320 |
for (i = 0; i < fa.niargs; i++) |
321 |
printf(" %d", fa.iarg[i]); |
322 |
printf("\n"); |
323 |
#else |
324 |
printf("0\n"); |
325 |
#endif |
326 |
/* float arguments */ |
327 |
printf("%d", fa.nfargs); |
328 |
for (i = 0; i < fa.nfargs; i++) |
329 |
printf(" %18.12g", fa.farg[i]); |
330 |
printf("\n"); |
331 |
freefargs(&fa); |
332 |
return(0); |
333 |
} |
334 |
|
335 |
|
336 |
int |
337 |
otype(ofname) /* get object function number from its name */ |
338 |
register char *ofname; |
339 |
{ |
340 |
register int i; |
341 |
|
342 |
for (i = 0; i < NUMTYPES; i++) |
343 |
if (!strcmp(ofun[i].funame, ofname)) |
344 |
return(i); |
345 |
|
346 |
return(-1); /* not found */ |
347 |
} |
348 |
|
349 |
|
350 |
alias(fin) /* transfer alias */ |
351 |
FILE *fin; |
352 |
{ |
353 |
char aliasnm[MAXSTR]; |
354 |
|
355 |
if (fgetword(aliasnm, MAXSTR, fin) == NULL) |
356 |
return(-1); |
357 |
printf("\t%s\n", aliasnm); |
358 |
return(0); |
359 |
} |
360 |
|
361 |
|
362 |
m_glow(fin) /* transform arguments for proximity light */ |
363 |
FILE *fin; |
364 |
{ |
365 |
FUNARGS fa; |
366 |
|
367 |
if (readfargs(&fa, fin) != 1) |
368 |
return(-1); |
369 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
370 |
return(-1); |
371 |
printf("0\n0\n4"); |
372 |
printf(" %18.12g %18.12g %18.12g", |
373 |
fa.farg[0], fa.farg[1], fa.farg[2]); |
374 |
printf(" %18.12g\n", fa.farg[3] * tot.sca); |
375 |
freefargs(&fa); |
376 |
return(0); |
377 |
} |
378 |
|
379 |
|
380 |
m_spot(fin) /* transform arguments for spotlight */ |
381 |
FILE *fin; |
382 |
{ |
383 |
FVECT v; |
384 |
FUNARGS fa; |
385 |
|
386 |
if (readfargs(&fa, fin) != 1) |
387 |
return(-1); |
388 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
389 |
return(-1); |
390 |
printf("0\n0\n7"); |
391 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
392 |
fa.farg[0], fa.farg[1], fa.farg[2], fa.farg[3]); |
393 |
multv3(v, fa.farg+4, tot.xfm); |
394 |
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
395 |
freefargs(&fa); |
396 |
return(0); |
397 |
} |
398 |
|
399 |
|
400 |
m_dielectric(fin) /* transform arguments for dielectric */ |
401 |
FILE *fin; |
402 |
{ |
403 |
double pow(); |
404 |
FUNARGS fa; |
405 |
|
406 |
if (readfargs(&fa, fin) != 1) |
407 |
return(-1); |
408 |
if (fa.nsargs != 0 || fa.nfargs != 5) |
409 |
return(-1); |
410 |
printf("0\n0\n5"); |
411 |
printf(" %18.12g %18.12g %18.12g", |
412 |
pow(fa.farg[0], 1.0/tot.sca), |
413 |
pow(fa.farg[1], 1.0/tot.sca), |
414 |
pow(fa.farg[2], 1.0/tot.sca)); |
415 |
printf(" %18.12g %18.12g\n", fa.farg[3], fa.farg[4]); |
416 |
freefargs(&fa); |
417 |
return(0); |
418 |
} |
419 |
|
420 |
|
421 |
m_interface(fin) /* transform arguments for interface */ |
422 |
FILE *fin; |
423 |
{ |
424 |
double pow(); |
425 |
FUNARGS fa; |
426 |
|
427 |
if (readfargs(&fa, fin) != 1) |
428 |
return(-1); |
429 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
430 |
return(-1); |
431 |
printf("0\n0\n8\n"); |
432 |
printf("%18.12g %18.12g %18.12g", |
433 |
pow(fa.farg[0], 1.0/tot.sca), |
434 |
pow(fa.farg[1], 1.0/tot.sca), |
435 |
pow(fa.farg[2], 1.0/tot.sca)); |
436 |
printf(" %18.12g\n", fa.farg[3]); |
437 |
printf("%18.12g %18.12g %18.12g", |
438 |
pow(fa.farg[4], 1.0/tot.sca), |
439 |
pow(fa.farg[5], 1.0/tot.sca), |
440 |
pow(fa.farg[6], 1.0/tot.sca)); |
441 |
printf(" %18.12g\n", fa.farg[7]); |
442 |
freefargs(&fa); |
443 |
return(0); |
444 |
} |
445 |
|
446 |
|
447 |
text(fin) /* transform text arguments */ |
448 |
FILE *fin; |
449 |
{ |
450 |
int i; |
451 |
FVECT v; |
452 |
FUNARGS fa; |
453 |
|
454 |
if (readfargs(&fa, fin) != 1) |
455 |
return(-1); |
456 |
if (fa.nfargs < 9) |
457 |
return(-1); |
458 |
/* string arguments */ |
459 |
printf("%d", fa.nsargs); |
460 |
for (i = 0; i < fa.nsargs; i++) |
461 |
printf(" %s", fa.sarg[i]); |
462 |
printf("\n0\n%d\n", fa.nfargs); |
463 |
/* anchor point */ |
464 |
multp3(v, fa.farg, tot.xfm); |
465 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
466 |
/* right vector */ |
467 |
multv3(v, fa.farg+3, tot.xfm); |
468 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
469 |
/* down vector */ |
470 |
multv3(v, fa.farg+6, tot.xfm); |
471 |
printf(" %18.12g %18.12g %18.12g", v[0], v[1], v[2]); |
472 |
/* remaining arguments */ |
473 |
for (i = 9; i < fa.nfargs; i++) { |
474 |
if (i%3 == 0) |
475 |
putchar('\n'); |
476 |
printf(" %18.12g", fa.farg[i]); |
477 |
} |
478 |
putchar('\n'); |
479 |
freefargs(&fa); |
480 |
return(0); |
481 |
} |
482 |
|
483 |
|
484 |
o_source(fin) /* transform source arguments */ |
485 |
FILE *fin; |
486 |
{ |
487 |
FVECT dv; |
488 |
FUNARGS fa; |
489 |
|
490 |
if (readfargs(&fa, fin) != 1) |
491 |
return(-1); |
492 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
493 |
return(-1); |
494 |
/* transform direction vector */ |
495 |
multv3(dv, fa.farg, tot.xfm); |
496 |
/* output */ |
497 |
printf("0\n0\n4"); |
498 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
499 |
dv[0], dv[1], dv[2], fa.farg[3]); |
500 |
freefargs(&fa); |
501 |
return(0); |
502 |
} |
503 |
|
504 |
|
505 |
o_sphere(fin) /* transform sphere arguments */ |
506 |
FILE *fin; |
507 |
{ |
508 |
FVECT cent; |
509 |
double rad; |
510 |
FUNARGS fa; |
511 |
|
512 |
if (readfargs(&fa, fin) != 1) |
513 |
return(-1); |
514 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
515 |
return(-1); |
516 |
|
517 |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
518 |
|
519 |
rad = fa.farg[3] * tot.sca; /* scale radius */ |
520 |
|
521 |
printf("0\n0\n4"); |
522 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
523 |
cent[0], cent[1], cent[2], rad); |
524 |
freefargs(&fa); |
525 |
return(0); |
526 |
} |
527 |
|
528 |
|
529 |
o_face(fin) /* transform face arguments */ |
530 |
FILE *fin; |
531 |
{ |
532 |
FVECT p; |
533 |
register int i; |
534 |
FUNARGS fa; |
535 |
|
536 |
if (readfargs(&fa, fin) != 1) |
537 |
return(-1); |
538 |
if (fa.nsargs != 0 || fa.nfargs % 3) |
539 |
return(-1); |
540 |
|
541 |
printf("0\n0\n%d\n", fa.nfargs); |
542 |
|
543 |
for (i = 0; i < fa.nfargs; i += 3) { |
544 |
if (reverse) |
545 |
multp3(p, fa.farg+(fa.nfargs-i-3), tot.xfm); |
546 |
else |
547 |
multp3(p, fa.farg+i, tot.xfm); |
548 |
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]); |
549 |
} |
550 |
freefargs(&fa); |
551 |
return(0); |
552 |
} |
553 |
|
554 |
|
555 |
o_cone(fin) /* transform cone and cup arguments */ |
556 |
FILE *fin; |
557 |
{ |
558 |
FVECT p0, p1; |
559 |
double r0, r1; |
560 |
FUNARGS fa; |
561 |
|
562 |
if (readfargs(&fa, fin) != 1) |
563 |
return(-1); |
564 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
565 |
return(-1); |
566 |
|
567 |
printf("0\n0\n8\n"); |
568 |
|
569 |
multp3(p0, fa.farg, tot.xfm); |
570 |
multp3(p1, fa.farg+3, tot.xfm); |
571 |
r0 = fa.farg[6] * tot.sca; |
572 |
r1 = fa.farg[7] * tot.sca; |
573 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
574 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
575 |
printf(" %18.12g %18.12g\n", r0, r1); |
576 |
|
577 |
freefargs(&fa); |
578 |
return(0); |
579 |
} |
580 |
|
581 |
|
582 |
o_cylinder(fin) /* transform cylinder and tube arguments */ |
583 |
FILE *fin; |
584 |
{ |
585 |
FVECT p0, p1; |
586 |
double rad; |
587 |
FUNARGS fa; |
588 |
|
589 |
if (readfargs(&fa, fin) != 1) |
590 |
return(-1); |
591 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
592 |
return(-1); |
593 |
|
594 |
printf("0\n0\n7\n"); |
595 |
|
596 |
multp3(p0, fa.farg, tot.xfm); |
597 |
multp3(p1, fa.farg+3, tot.xfm); |
598 |
rad = fa.farg[6] * tot.sca; |
599 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
600 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
601 |
printf(" %18.12g\n", rad); |
602 |
freefargs(&fa); |
603 |
return(0); |
604 |
} |
605 |
|
606 |
|
607 |
o_ring(fin) /* transform ring arguments */ |
608 |
FILE *fin; |
609 |
{ |
610 |
FVECT p0, pd; |
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 |
multv3(pd, fa.farg+3, tot.xfm); |
623 |
if (invert) { |
624 |
pd[0] = -pd[0]; |
625 |
pd[1] = -pd[1]; |
626 |
pd[2] = -pd[2]; |
627 |
} |
628 |
r0 = fa.farg[6] * tot.sca; |
629 |
r1 = fa.farg[7] * tot.sca; |
630 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
631 |
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]); |
632 |
printf(" %18.12g %18.12g\n", r0, r1); |
633 |
freefargs(&fa); |
634 |
return(0); |
635 |
} |
636 |
|
637 |
|
638 |
initotypes() /* initialize ofun[] array */ |
639 |
{ |
640 |
extern int o_source(); |
641 |
extern int o_sphere(); |
642 |
extern int o_face(); |
643 |
extern int o_cone(); |
644 |
extern int o_cylinder(); |
645 |
extern int o_ring(); |
646 |
extern int m_glow(); |
647 |
extern int m_spot(); |
648 |
extern int m_dielectric(); |
649 |
extern int m_interface(); |
650 |
extern int text(); |
651 |
extern int alias(); |
652 |
extern int passargs(); |
653 |
extern int addxform(); |
654 |
register int i; |
655 |
|
656 |
if (ofun[OBJ_SOURCE].funp == o_source) |
657 |
return; /* done already */ |
658 |
/* alias is additional */ |
659 |
ofun[ALIAS].funame = ALIASID; |
660 |
ofun[ALIAS].flags = 0; |
661 |
/* functions get new transform */ |
662 |
for (i = 0; i < NUMTYPES; i++) |
663 |
if (hasfunc(i)) |
664 |
ofun[i].funp = addxform; |
665 |
/* special cases */ |
666 |
ofun[OBJ_SOURCE].funp = o_source; |
667 |
ofun[OBJ_SPHERE].funp = |
668 |
ofun[OBJ_BUBBLE].funp = o_sphere; |
669 |
ofun[OBJ_FACE].funp = o_face; |
670 |
ofun[OBJ_CONE].funp = |
671 |
ofun[OBJ_CUP].funp = o_cone; |
672 |
ofun[OBJ_CYLINDER].funp = |
673 |
ofun[OBJ_TUBE].funp = o_cylinder; |
674 |
ofun[OBJ_RING].funp = o_ring; |
675 |
ofun[OBJ_INSTANCE].funp = addxform; |
676 |
ofun[MAT_GLOW].funp = m_glow; |
677 |
ofun[MAT_SPOT].funp = m_spot; |
678 |
ofun[MAT_DIELECTRIC].funp = m_dielectric; |
679 |
ofun[MAT_INTERFACE].funp = m_interface; |
680 |
ofun[PAT_CTEXT].funp = |
681 |
ofun[PAT_BTEXT].funp = |
682 |
ofun[MIX_TEXT].funp = text; |
683 |
ofun[ALIAS].funp = alias; |
684 |
/* surface inverses */ |
685 |
tinvers[OBJ_SOURCE] = OBJ_SOURCE; |
686 |
tinvers[OBJ_CONE] = OBJ_CUP; |
687 |
tinvers[OBJ_CUP] = OBJ_CONE; |
688 |
tinvers[OBJ_SPHERE] = OBJ_BUBBLE; |
689 |
tinvers[OBJ_BUBBLE] = OBJ_SPHERE; |
690 |
tinvers[OBJ_RING] = OBJ_RING; |
691 |
tinvers[OBJ_CYLINDER] = OBJ_TUBE; |
692 |
tinvers[OBJ_TUBE] = OBJ_CYLINDER; |
693 |
tinvers[OBJ_INSTANCE] = OBJ_INSTANCE; /* oh, well */ |
694 |
} |