1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: xform.c,v 2.41 2009/07/26 18:34:59 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* xform.c - program to transform object files. |
6 |
* Transformations must preserve aspect ratio. |
7 |
* |
8 |
* 10/19/85 |
9 |
* 11/6/86 Finally added error checking! |
10 |
*/ |
11 |
|
12 |
#include <ctype.h> |
13 |
|
14 |
#include "platform.h" |
15 |
#include "paths.h" |
16 |
#include "rtprocess.h" /* win_popen() */ |
17 |
#include "rtio.h" |
18 |
#include "rtmath.h" |
19 |
#include "object.h" |
20 |
#include "otypes.h" |
21 |
|
22 |
int xac; /* global xform argument count */ |
23 |
char **xav; /* global xform argument pointer */ |
24 |
int xfa; /* start of xf arguments */ |
25 |
|
26 |
XF tot; /* total transformation */ |
27 |
int reverse; /* boolean true if scene mirrored */ |
28 |
|
29 |
int invert; /* boolean true to invert surfaces */ |
30 |
|
31 |
int expand; /* boolean true to expand commands */ |
32 |
|
33 |
char *newmod; /* new modifier for surfaces */ |
34 |
|
35 |
char *idprefix; /* prefix for object identifiers */ |
36 |
|
37 |
FUN ofun[NUMOTYPE] = INIT_OTYPE; /* default types and actions */ |
38 |
|
39 |
short tinvers[NUMOTYPE]; /* inverse types for surfaces */ |
40 |
|
41 |
int nrept = 1; /* number of array repetitions */ |
42 |
|
43 |
int stdinused = 0; /* stdin has been used by -f option? */ |
44 |
|
45 |
char mainfn[PATH_MAX]; /* main file name */ |
46 |
FILE *mainfp = NULL; /* main file pointer */ |
47 |
|
48 |
#define progname (xav[0]) |
49 |
|
50 |
static int doargf(int ac, char **av, int fi); |
51 |
static int doarray(int ac, char **av, int ai); |
52 |
static void xform(char *name, FILE *fin); |
53 |
static void xfcomm(char *fname, FILE *fin); |
54 |
static void xfobject(char *fname, FILE *fin); |
55 |
static int addxform(FILE *fin); |
56 |
static int alias(FILE *fin); |
57 |
void initotypes(void); /* XXX conflict with otypes.h */ |
58 |
static void openmain(char *iname); |
59 |
|
60 |
|
61 |
int |
62 |
main( /* get transform options and transform file */ |
63 |
int argc, |
64 |
char *argv[] |
65 |
) |
66 |
{ |
67 |
int mal_prefix = 0; |
68 |
int a; |
69 |
/* check for argument list file */ |
70 |
for (a = 1; a < argc; a++) |
71 |
if (!strcmp(argv[a], "-f")) |
72 |
return(doargf(argc, argv, a)); |
73 |
/* check for regular array */ |
74 |
for (a = 1; a < argc; a++) |
75 |
if (!strcmp(argv[a], "-a")) |
76 |
return(doarray(argc, argv, a)); |
77 |
|
78 |
initotypes(); /* initialize */ |
79 |
invert = 0; |
80 |
expand = 1; |
81 |
newmod = NULL; |
82 |
idprefix = NULL; |
83 |
|
84 |
for (a = 1; a < argc; a++) { |
85 |
if (argv[a][0] == '-') |
86 |
switch (argv[a][1]) { |
87 |
case 'm': |
88 |
if (argv[a][2] | (a+1 >= argc)) |
89 |
break; |
90 |
a++; |
91 |
if (newmod == NULL) |
92 |
newmod = argv[a]; |
93 |
continue; |
94 |
case 'n': |
95 |
if (argv[a][2] | (a+1 >= argc)) |
96 |
break; |
97 |
a++; |
98 |
if (idprefix == NULL) |
99 |
idprefix = argv[a]; |
100 |
else { |
101 |
register char *newp; |
102 |
newp = (char *)malloc(strlen(idprefix)+ |
103 |
strlen(argv[a])+2); |
104 |
if (newp == NULL) |
105 |
exit(2); |
106 |
sprintf(newp, "%s.%s", |
107 |
idprefix, argv[a]); |
108 |
if (mal_prefix++) |
109 |
free((void *)idprefix); |
110 |
idprefix = newp; |
111 |
} |
112 |
continue; |
113 |
case 'c': |
114 |
if (argv[a][2]) |
115 |
break; |
116 |
expand = 0; |
117 |
continue; |
118 |
case 'e': |
119 |
if (argv[a][2]) |
120 |
break; |
121 |
expand = 1; |
122 |
continue; |
123 |
case 'I': |
124 |
if (argv[a][2]) |
125 |
break; |
126 |
invert = !invert; |
127 |
continue; |
128 |
} |
129 |
break; |
130 |
} |
131 |
|
132 |
xav = argv; |
133 |
xfa = a; |
134 |
|
135 |
a += xf(&tot, argc-a, argv+a); |
136 |
|
137 |
if ( (reverse = tot.sca < 0.0) ) |
138 |
tot.sca = -tot.sca; |
139 |
if (invert) |
140 |
reverse = !reverse; |
141 |
|
142 |
if (a < argc && argv[a][0] == '-') { |
143 |
fprintf(stderr, "%s: command line error at '%s'\n", |
144 |
argv[0], argv[a]); |
145 |
exit(1); |
146 |
} |
147 |
|
148 |
xac = a; |
149 |
/* simple header */ |
150 |
putchar('#'); |
151 |
for (a = 0; a < xac; a++) |
152 |
printf(" %s", xav[a]); |
153 |
putchar('\n'); |
154 |
/* transform input */ |
155 |
if (xac == argc) { |
156 |
if (stdinused) { |
157 |
fprintf(stderr, "%s: cannot use stdin more than once\n", |
158 |
argv[0]); |
159 |
exit(1); |
160 |
} |
161 |
openmain(NULL); |
162 |
xform(mainfn, mainfp); |
163 |
} else |
164 |
for (a = xac; a < argc; a++) { |
165 |
openmain(argv[a]); |
166 |
xform(mainfn, mainfp); |
167 |
} |
168 |
|
169 |
if (mal_prefix) |
170 |
free((void *)idprefix); |
171 |
return(0); |
172 |
} |
173 |
|
174 |
|
175 |
int |
176 |
doargf( /* take argument list from file */ |
177 |
int ac, |
178 |
char **av, |
179 |
int fi |
180 |
) |
181 |
{ |
182 |
int inquote; |
183 |
char *newav[256], **avp; |
184 |
char argbuf[2048]; |
185 |
char *newid, newidbuf[128]; |
186 |
char *oldid; |
187 |
register char *cp; |
188 |
FILE *argfp; |
189 |
int n, i, k, newac, err; |
190 |
|
191 |
if (fi >= ac-1 || (av[fi+1][0] == '-' && av[fi+1][1] != '\0')) { |
192 |
fprintf(stderr, "%s: missing file for -f option\n", av[0]); |
193 |
exit(1); |
194 |
} |
195 |
if (av[fi+1][0] == '-' && av[fi+1][1] == '\0') { |
196 |
if (stdinused++) { |
197 |
fprintf(stderr, |
198 |
"%s: cannot use stdin more than once\n", |
199 |
av[0]); |
200 |
exit(1); |
201 |
} |
202 |
argfp = stdin; |
203 |
n = 100; /* we just don't know! */ |
204 |
} else { |
205 |
if ((argfp = fopen(av[fi+1], "r")) == NULL) { |
206 |
fprintf(stderr, |
207 |
"%s: cannot open argument file \"%s\"\n", |
208 |
av[0], av[fi+1]); |
209 |
exit(1); |
210 |
} |
211 |
n = 0; /* count number of lines in file */ |
212 |
while (fgetline(argbuf,sizeof(argbuf),argfp) != NULL) |
213 |
n += argbuf[0] && argbuf[0] != '#'; |
214 |
if (!n) { |
215 |
fprintf(stderr, "%s: empty argument file \"%s\"\n", |
216 |
av[0], av[fi+1]); |
217 |
exit(1); |
218 |
} |
219 |
nrept *= n; |
220 |
rewind(argfp); |
221 |
} |
222 |
err = 0; k = 0; /* read each arg list and call main */ |
223 |
while (fgetline(argbuf,sizeof(argbuf),argfp) != NULL) { |
224 |
if (!argbuf[0] || argbuf[0] == '#') |
225 |
continue; |
226 |
avp = newav+2; |
227 |
avp[0] = av[0]; |
228 |
for (i = 1; i < fi; i++) |
229 |
avp[i] = av[i]; |
230 |
newac = i; |
231 |
cp = argbuf; /* parse new words */ |
232 |
if (*cp == '!') cp++; |
233 |
if (!strncmp(cp, "xform ", 6)) cp += 6; |
234 |
inquote = 0; |
235 |
for ( ; ; ) { |
236 |
skipspaces: |
237 |
while (isspace(*cp)) /* nullify spaces */ |
238 |
*cp++ = '\0'; |
239 |
if ((*cp == '"') | (*cp == '\'')) |
240 |
inquote = *cp++; |
241 |
if (!*cp) /* all done? */ |
242 |
break; |
243 |
if (cp[0] == '\\' && cp[1]) |
244 |
if (*++cp == '\n') |
245 |
goto skipspaces; |
246 |
avp[newac++] = cp; /* add argument to list */ |
247 |
if (inquote) { |
248 |
while (*++cp) |
249 |
if (*cp == inquote) { |
250 |
*cp++ = '\0'; |
251 |
break; |
252 |
} |
253 |
} else { |
254 |
while (*++cp && !isspace(*cp)) |
255 |
; |
256 |
} |
257 |
} |
258 |
for (i = fi+2; i < ac; i++) |
259 |
avp[newac++] = av[i]; |
260 |
avp[newac] = NULL; |
261 |
newid = newidbuf; |
262 |
oldid = NULL; |
263 |
for (i = 2; i < newac; i++) |
264 |
if (!strcmp(avp[i-1], "-n")) { |
265 |
oldid = avp[i]; |
266 |
if (strlen(oldid)+32 > sizeof(newidbuf)) { |
267 |
newid = (char *)malloc(strlen(oldid)+32); |
268 |
if (newid == NULL) |
269 |
exit(2); |
270 |
} |
271 |
avp[i] = newid; |
272 |
break; |
273 |
} |
274 |
if (oldid == NULL) { |
275 |
newav[0] = av[0]; |
276 |
newav[1] = "-n"; |
277 |
newav[2] = newid; |
278 |
avp = newav; |
279 |
newac += 2; |
280 |
} |
281 |
if (oldid == NULL) |
282 |
sprintf(newid, "i%d", k); |
283 |
else |
284 |
sprintf(newid, "%s.%d", oldid, k); |
285 |
err |= main(newac, avp); |
286 |
if (newid != newidbuf) |
287 |
free((void *)newid); |
288 |
k++; |
289 |
} |
290 |
fclose(argfp); |
291 |
return(err); |
292 |
} |
293 |
|
294 |
|
295 |
int |
296 |
doarray( /* make array */ |
297 |
int ac, |
298 |
char **av, |
299 |
int ai |
300 |
) |
301 |
{ |
302 |
char *newav[256], **avp; |
303 |
char newid[128], repts[32]; |
304 |
char *oldid = NULL; |
305 |
int n, i, err; |
306 |
|
307 |
if (ai >= ac-1 || (n = atoi(av[ai+1])) <= 0) { |
308 |
fprintf(stderr, "%s: missing count for -a option\n", av[0]); |
309 |
exit(1); |
310 |
} |
311 |
nrept *= n; |
312 |
avp = newav+2; |
313 |
avp[0] = av[0]; |
314 |
for (i = 1; i < ac; i++) |
315 |
if (!strcmp(av[i-1], "-n")) { |
316 |
oldid = av[i]; |
317 |
avp[i] = newid; |
318 |
} else |
319 |
avp[i] = av[i]; |
320 |
avp[ai] = "-i"; |
321 |
avp[ai+1] = repts; |
322 |
avp[i] = NULL; |
323 |
if (oldid == NULL) { |
324 |
newav[0] = av[0]; |
325 |
newav[1] = "-n"; |
326 |
newav[2] = newid; |
327 |
avp = newav; |
328 |
ac += 2; |
329 |
} |
330 |
err = 0; |
331 |
for (i = 0; i < n; i++) { |
332 |
if (oldid == NULL) |
333 |
sprintf(newid, "a%d", i); |
334 |
else |
335 |
sprintf(newid, "%s.%d", oldid, i); |
336 |
sprintf(repts, "%d", i); |
337 |
err |= main(ac, avp); |
338 |
} |
339 |
return(err); |
340 |
} |
341 |
|
342 |
|
343 |
void |
344 |
xform( /* transform stream by tot.xfm */ |
345 |
char *name, |
346 |
register FILE *fin |
347 |
) |
348 |
{ |
349 |
int nobjs = 0; |
350 |
register int c; |
351 |
|
352 |
while ((c = getc(fin)) != EOF) { |
353 |
if (isspace(c)) /* blank */ |
354 |
continue; |
355 |
if (c == '#') { /* comment */ |
356 |
putchar(c); |
357 |
do { |
358 |
if ((c = getc(fin)) == EOF) |
359 |
return; |
360 |
putchar(c); |
361 |
} while (c != '\n'); |
362 |
} else if (c == '!') { /* command */ |
363 |
ungetc(c, fin); |
364 |
xfcomm(name, fin); |
365 |
nobjs++; |
366 |
} else { /* object */ |
367 |
ungetc(c, fin); |
368 |
xfobject(name, fin); |
369 |
nobjs++; |
370 |
} |
371 |
} |
372 |
if (nobjs == 0) |
373 |
fprintf(stderr, "%s: (%s): warning - empty file\n", |
374 |
progname, name); |
375 |
} |
376 |
|
377 |
|
378 |
void |
379 |
xfcomm( /* transform a command */ |
380 |
char *fname, |
381 |
FILE *fin |
382 |
) |
383 |
{ |
384 |
FILE *pin; |
385 |
char buf[2048]; |
386 |
int i; |
387 |
|
388 |
fgetline(buf, sizeof(buf), fin); |
389 |
if (expand) { |
390 |
if ((pin = popen(buf+1, "r")) == NULL) { |
391 |
fprintf(stderr, "%s: (%s): cannot execute \"%s\"\n", |
392 |
progname, fname, buf); |
393 |
exit(1); |
394 |
} |
395 |
xform(buf, pin); |
396 |
pclose(pin); |
397 |
} else { |
398 |
printf("\n%s", buf); |
399 |
if (xac > 1) { |
400 |
printf(" | %s -e", xav[0]); /* expand next time */ |
401 |
for (i = 1; i < xac; i++) |
402 |
if (i >= xfa || strcmp(xav[i], "-c")) |
403 |
printf(" %s", xav[i]); |
404 |
} |
405 |
putchar('\n'); |
406 |
} |
407 |
} |
408 |
|
409 |
|
410 |
void |
411 |
xfobject( /* transform an object */ |
412 |
char *fname, |
413 |
FILE *fin |
414 |
) |
415 |
{ |
416 |
char typ[16], nam[MAXSTR]; |
417 |
int fn; |
418 |
/* modifier and type */ |
419 |
strcpy(typ, "EOF"); |
420 |
fgetword(nam, sizeof(nam), fin); |
421 |
fgetword(typ, sizeof(typ), fin); |
422 |
if ((fn = otype(typ)) < 0) { |
423 |
fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n", |
424 |
progname, fname, typ); |
425 |
exit(1); |
426 |
} |
427 |
putchar('\n'); |
428 |
if (ismodifier(fn)) { |
429 |
fputword(nam, stdout); |
430 |
printf(" %s ", typ); |
431 |
} else { |
432 |
fputword(newmod != NULL ? newmod : nam, stdout); |
433 |
printf(" %s ", invert ? ofun[tinvers[fn]].funame : typ); |
434 |
} |
435 |
/* object name */ |
436 |
fgetword(nam, sizeof(nam), fin); |
437 |
if (idprefix == NULL || ismodifier(fn)) |
438 |
fputword(nam, stdout); |
439 |
else { |
440 |
char nnam[MAXSTR]; |
441 |
sprintf(nnam, "%s.%s", idprefix, nam); |
442 |
fputword(nnam, stdout); |
443 |
} |
444 |
putchar('\n'); |
445 |
/* transform arguments */ |
446 |
if ((*ofun[fn].funp)(fin) < 0) { |
447 |
fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
448 |
progname, fname, ofun[fn].funame, nam); |
449 |
exit(1); |
450 |
} |
451 |
} |
452 |
|
453 |
|
454 |
int |
455 |
o_default( /* pass on arguments unchanged */ |
456 |
FILE *fin |
457 |
) |
458 |
{ |
459 |
register int i; |
460 |
FUNARGS fa; |
461 |
|
462 |
if (readfargs(&fa, fin) != 1) |
463 |
return(-1); |
464 |
/* string arguments */ |
465 |
printf("%d", fa.nsargs); |
466 |
for (i = 0; i < fa.nsargs; i++) { |
467 |
fputc(' ', stdout); |
468 |
fputword(fa.sarg[i], stdout); |
469 |
} |
470 |
printf("\n"); |
471 |
#ifdef IARGS |
472 |
/* integer arguments */ |
473 |
printf("%d", fa.niargs); |
474 |
for (i = 0; i < fa.niargs; i++) |
475 |
printf(" %d", fa.iarg[i]); |
476 |
printf("\n"); |
477 |
#else |
478 |
printf("0\n"); |
479 |
#endif |
480 |
/* float arguments */ |
481 |
printf("%d", fa.nfargs); |
482 |
for (i = 0; i < fa.nfargs; i++) |
483 |
printf(" %18.12g", fa.farg[i]); |
484 |
printf("\n"); |
485 |
freefargs(&fa); |
486 |
return(0); |
487 |
} |
488 |
|
489 |
|
490 |
int |
491 |
addxform( /* add xf arguments to strings */ |
492 |
FILE *fin |
493 |
) |
494 |
{ |
495 |
register int i; |
496 |
int resetarr = 0; |
497 |
FUNARGS fa; |
498 |
|
499 |
if (readfargs(&fa, fin) != 1) |
500 |
return(-1); |
501 |
/* string arguments */ |
502 |
if (xac > xfa && strcmp(xav[xfa], "-i")) |
503 |
resetarr = 2; |
504 |
printf("%d", fa.nsargs + resetarr + xac-xfa); |
505 |
for (i = 0; i < fa.nsargs; i++) { |
506 |
fputc(' ', stdout); |
507 |
fputword(fa.sarg[i], stdout); |
508 |
} |
509 |
if (resetarr) |
510 |
printf(" -i 1"); |
511 |
for (i = xfa; i < xac; i++) /* add xf arguments */ |
512 |
printf(" %s", xav[i]); |
513 |
printf("\n"); |
514 |
#ifdef IARGS |
515 |
/* integer arguments */ |
516 |
printf("%d", fa.niargs); |
517 |
for (i = 0; i < fa.niargs; i++) |
518 |
printf(" %d", fa.iarg[i]); |
519 |
printf("\n"); |
520 |
#else |
521 |
printf("0\n"); |
522 |
#endif |
523 |
/* float arguments */ |
524 |
printf("%d", fa.nfargs); |
525 |
for (i = 0; i < fa.nfargs; i++) |
526 |
printf(" %18.12g", fa.farg[i]); |
527 |
printf("\n"); |
528 |
freefargs(&fa); |
529 |
return(0); |
530 |
} |
531 |
|
532 |
|
533 |
int |
534 |
alias( /* transfer alias */ |
535 |
FILE *fin |
536 |
) |
537 |
{ |
538 |
char aliasnm[MAXSTR]; |
539 |
|
540 |
if (fgetword(aliasnm, MAXSTR, fin) == NULL) |
541 |
return(-1); |
542 |
printf("\t%s\n", aliasnm); |
543 |
return(0); |
544 |
} |
545 |
|
546 |
|
547 |
int |
548 |
m_glow( /* transform arguments for proximity light */ |
549 |
FILE *fin |
550 |
) |
551 |
{ |
552 |
FUNARGS fa; |
553 |
|
554 |
if (readfargs(&fa, fin) != 1) |
555 |
return(-1); |
556 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
557 |
return(-1); |
558 |
printf("0\n0\n4"); |
559 |
printf(" %18.12g %18.12g %18.12g", |
560 |
fa.farg[0], fa.farg[1], fa.farg[2]); |
561 |
printf(" %18.12g\n", fa.farg[3] * tot.sca); |
562 |
freefargs(&fa); |
563 |
return(0); |
564 |
} |
565 |
|
566 |
|
567 |
int |
568 |
m_spot( /* transform arguments for spotlight */ |
569 |
FILE *fin |
570 |
) |
571 |
{ |
572 |
FVECT v; |
573 |
FUNARGS fa; |
574 |
|
575 |
if (readfargs(&fa, fin) != 1) |
576 |
return(-1); |
577 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
578 |
return(-1); |
579 |
printf("0\n0\n7"); |
580 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
581 |
fa.farg[0], fa.farg[1], fa.farg[2], fa.farg[3]); |
582 |
multv3(v, fa.farg+4, tot.xfm); |
583 |
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
584 |
freefargs(&fa); |
585 |
return(0); |
586 |
} |
587 |
|
588 |
|
589 |
int |
590 |
m_mist( /* transform arguments for mist */ |
591 |
FILE *fin |
592 |
) |
593 |
{ |
594 |
FUNARGS fa; |
595 |
int i; |
596 |
|
597 |
if (readfargs(&fa, fin) != 1) |
598 |
return(-1); |
599 |
if (fa.nfargs > 7) |
600 |
return(-1); |
601 |
printf("%d", fa.nsargs); |
602 |
if (idprefix == NULL) |
603 |
for (i = 0; i < fa.nsargs; i++) |
604 |
printf(" %s", fa.sarg[i]); |
605 |
else |
606 |
for (i = 0; i < fa.nsargs; i++) { |
607 |
char sname[256], *sp; |
608 |
register char *cp1, *cp2 = sname; |
609 |
/* add idprefix */ |
610 |
for (sp = fa.sarg[i]; *sp; sp = cp1) { |
611 |
for (cp1 = idprefix; *cp1; ) |
612 |
*cp2++ = *cp1++; |
613 |
*cp2++ = '.'; |
614 |
for (cp1 = sp; *cp1 && |
615 |
(*cp2++ = *cp1++) != '>'; ) |
616 |
; |
617 |
} |
618 |
*cp2 = '\0'; |
619 |
printf(" %s", sname); |
620 |
} |
621 |
printf("\n0\n%d", fa.nfargs); |
622 |
if (fa.nfargs > 2) |
623 |
printf(" %12.6g %12.6g %12.6g", fa.farg[0]/tot.sca, |
624 |
fa.farg[1]/tot.sca, fa.farg[2]/tot.sca); |
625 |
for (i = 3; i < fa.nfargs; i++) |
626 |
printf(" %12.6g", fa.farg[i]); |
627 |
printf("\n"); |
628 |
freefargs(&fa); |
629 |
return(0); |
630 |
} |
631 |
|
632 |
|
633 |
int |
634 |
m_dielectric( /* transform arguments for dielectric */ |
635 |
FILE *fin |
636 |
) |
637 |
{ |
638 |
FUNARGS fa; |
639 |
|
640 |
if (readfargs(&fa, fin) != 1) |
641 |
return(-1); |
642 |
if (fa.nsargs != 0 || fa.nfargs != 5) |
643 |
return(-1); |
644 |
printf("0\n0\n5"); |
645 |
printf(" %12.6g %12.6g %12.6g", |
646 |
pow(fa.farg[0], 1.0/tot.sca), |
647 |
pow(fa.farg[1], 1.0/tot.sca), |
648 |
pow(fa.farg[2], 1.0/tot.sca)); |
649 |
printf(" %12.6g %12.6g\n", fa.farg[3], fa.farg[4]); |
650 |
freefargs(&fa); |
651 |
return(0); |
652 |
} |
653 |
|
654 |
|
655 |
int |
656 |
m_interface( /* transform arguments for interface */ |
657 |
FILE *fin |
658 |
) |
659 |
{ |
660 |
FUNARGS fa; |
661 |
|
662 |
if (readfargs(&fa, fin) != 1) |
663 |
return(-1); |
664 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
665 |
return(-1); |
666 |
printf("0\n0\n8\n"); |
667 |
printf("%12.6g %12.6g %12.6g", |
668 |
pow(fa.farg[0], 1.0/tot.sca), |
669 |
pow(fa.farg[1], 1.0/tot.sca), |
670 |
pow(fa.farg[2], 1.0/tot.sca)); |
671 |
printf(" %12.6g\n", fa.farg[3]); |
672 |
printf("%12.6g %12.6g %12.6g", |
673 |
pow(fa.farg[4], 1.0/tot.sca), |
674 |
pow(fa.farg[5], 1.0/tot.sca), |
675 |
pow(fa.farg[6], 1.0/tot.sca)); |
676 |
printf(" %12.6g\n", fa.farg[7]); |
677 |
freefargs(&fa); |
678 |
return(0); |
679 |
} |
680 |
|
681 |
|
682 |
int |
683 |
text( /* transform text arguments */ |
684 |
FILE *fin |
685 |
) |
686 |
{ |
687 |
int i; |
688 |
FVECT v; |
689 |
FUNARGS fa; |
690 |
|
691 |
if (readfargs(&fa, fin) != 1) |
692 |
return(-1); |
693 |
if (fa.nfargs < 9) |
694 |
return(-1); |
695 |
/* string arguments */ |
696 |
printf("%d", fa.nsargs); |
697 |
for (i = 0; i < fa.nsargs; i++) { |
698 |
fputc(' ', stdout); |
699 |
fputword(fa.sarg[i], stdout); |
700 |
} |
701 |
printf("\n0\n%d\n", fa.nfargs); |
702 |
/* anchor point */ |
703 |
multp3(v, fa.farg, tot.xfm); |
704 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
705 |
/* right vector */ |
706 |
multv3(v, fa.farg+3, tot.xfm); |
707 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
708 |
/* down vector */ |
709 |
multv3(v, fa.farg+6, tot.xfm); |
710 |
printf(" %18.12g %18.12g %18.12g", v[0], v[1], v[2]); |
711 |
/* remaining arguments */ |
712 |
for (i = 9; i < fa.nfargs; i++) { |
713 |
if (i%3 == 0) |
714 |
putchar('\n'); |
715 |
printf(" %18.12g", fa.farg[i]); |
716 |
} |
717 |
putchar('\n'); |
718 |
freefargs(&fa); |
719 |
return(0); |
720 |
} |
721 |
|
722 |
|
723 |
int |
724 |
o_source( /* transform source arguments */ |
725 |
FILE *fin |
726 |
) |
727 |
{ |
728 |
FVECT dv; |
729 |
FUNARGS fa; |
730 |
|
731 |
if (readfargs(&fa, fin) != 1) |
732 |
return(-1); |
733 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
734 |
return(-1); |
735 |
/* transform direction vector */ |
736 |
multv3(dv, fa.farg, tot.xfm); |
737 |
/* output */ |
738 |
printf("0\n0\n4"); |
739 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
740 |
dv[0], dv[1], dv[2], fa.farg[3]); |
741 |
freefargs(&fa); |
742 |
return(0); |
743 |
} |
744 |
|
745 |
|
746 |
int |
747 |
o_sphere( /* transform sphere arguments */ |
748 |
FILE *fin |
749 |
) |
750 |
{ |
751 |
FVECT cent; |
752 |
double rad; |
753 |
FUNARGS fa; |
754 |
|
755 |
if (readfargs(&fa, fin) != 1) |
756 |
return(-1); |
757 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
758 |
return(-1); |
759 |
|
760 |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
761 |
|
762 |
rad = fa.farg[3] * tot.sca; /* scale radius */ |
763 |
|
764 |
printf("0\n0\n4"); |
765 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
766 |
cent[0], cent[1], cent[2], rad); |
767 |
freefargs(&fa); |
768 |
return(0); |
769 |
} |
770 |
|
771 |
|
772 |
int |
773 |
o_face( /* transform face arguments */ |
774 |
FILE *fin |
775 |
) |
776 |
{ |
777 |
FVECT p; |
778 |
register int i; |
779 |
FUNARGS fa; |
780 |
|
781 |
if (readfargs(&fa, fin) != 1) |
782 |
return(-1); |
783 |
if (fa.nsargs != 0 || fa.nfargs % 3) |
784 |
return(-1); |
785 |
|
786 |
printf("0\n0\n%d\n", fa.nfargs); |
787 |
|
788 |
for (i = 0; i < fa.nfargs; i += 3) { |
789 |
if (reverse) |
790 |
multp3(p, fa.farg+(fa.nfargs-i-3), tot.xfm); |
791 |
else |
792 |
multp3(p, fa.farg+i, tot.xfm); |
793 |
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]); |
794 |
} |
795 |
freefargs(&fa); |
796 |
return(0); |
797 |
} |
798 |
|
799 |
|
800 |
int |
801 |
o_cone( /* transform cone and cup arguments */ |
802 |
FILE *fin |
803 |
) |
804 |
{ |
805 |
FVECT p0, p1; |
806 |
double r0, r1; |
807 |
FUNARGS fa; |
808 |
|
809 |
if (readfargs(&fa, fin) != 1) |
810 |
return(-1); |
811 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
812 |
return(-1); |
813 |
|
814 |
printf("0\n0\n8\n"); |
815 |
|
816 |
multp3(p0, fa.farg, tot.xfm); |
817 |
multp3(p1, fa.farg+3, tot.xfm); |
818 |
r0 = fa.farg[6] * tot.sca; |
819 |
r1 = fa.farg[7] * tot.sca; |
820 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
821 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
822 |
printf(" %18.12g %18.12g\n", r0, r1); |
823 |
|
824 |
freefargs(&fa); |
825 |
return(0); |
826 |
} |
827 |
|
828 |
|
829 |
int |
830 |
o_cylinder( /* transform cylinder and tube arguments */ |
831 |
FILE *fin |
832 |
) |
833 |
{ |
834 |
FVECT p0, p1; |
835 |
double rad; |
836 |
FUNARGS fa; |
837 |
|
838 |
if (readfargs(&fa, fin) != 1) |
839 |
return(-1); |
840 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
841 |
return(-1); |
842 |
|
843 |
printf("0\n0\n7\n"); |
844 |
|
845 |
multp3(p0, fa.farg, tot.xfm); |
846 |
multp3(p1, fa.farg+3, tot.xfm); |
847 |
rad = fa.farg[6] * tot.sca; |
848 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
849 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
850 |
printf(" %18.12g\n", rad); |
851 |
freefargs(&fa); |
852 |
return(0); |
853 |
} |
854 |
|
855 |
|
856 |
int |
857 |
o_ring( /* transform ring arguments */ |
858 |
FILE *fin |
859 |
) |
860 |
{ |
861 |
FVECT p0, pd; |
862 |
double r0, r1; |
863 |
FUNARGS fa; |
864 |
|
865 |
if (readfargs(&fa, fin) != 1) |
866 |
return(-1); |
867 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
868 |
return(-1); |
869 |
|
870 |
printf("0\n0\n8\n"); |
871 |
|
872 |
multp3(p0, fa.farg, tot.xfm); |
873 |
multv3(pd, fa.farg+3, tot.xfm); |
874 |
if (invert) { |
875 |
pd[0] = -pd[0]; |
876 |
pd[1] = -pd[1]; |
877 |
pd[2] = -pd[2]; |
878 |
} |
879 |
r0 = fa.farg[6] * tot.sca; |
880 |
r1 = fa.farg[7] * tot.sca; |
881 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
882 |
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]); |
883 |
printf(" %18.12g %18.12g\n", r0, r1); |
884 |
freefargs(&fa); |
885 |
return(0); |
886 |
} |
887 |
|
888 |
|
889 |
void |
890 |
initotypes(void) /* initialize ofun[] array */ |
891 |
{ |
892 |
register int i; |
893 |
|
894 |
if (ofun[OBJ_SOURCE].funp == o_source) |
895 |
return; /* done already */ |
896 |
/* functions get new transform */ |
897 |
for (i = 0; i < NUMOTYPE; i++) |
898 |
if (hasfunc(i)) |
899 |
ofun[i].funp = addxform; |
900 |
/* special cases */ |
901 |
ofun[OBJ_SOURCE].funp = o_source; |
902 |
ofun[OBJ_SPHERE].funp = |
903 |
ofun[OBJ_BUBBLE].funp = o_sphere; |
904 |
ofun[OBJ_FACE].funp = o_face; |
905 |
ofun[OBJ_CONE].funp = |
906 |
ofun[OBJ_CUP].funp = o_cone; |
907 |
ofun[OBJ_CYLINDER].funp = |
908 |
ofun[OBJ_TUBE].funp = o_cylinder; |
909 |
ofun[OBJ_RING].funp = o_ring; |
910 |
ofun[OBJ_INSTANCE].funp = |
911 |
ofun[OBJ_MESH].funp = addxform; |
912 |
ofun[MAT_GLOW].funp = m_glow; |
913 |
ofun[MAT_SPOT].funp = m_spot; |
914 |
ofun[MAT_DIELECTRIC].funp = m_dielectric; |
915 |
ofun[MAT_INTERFACE].funp = m_interface; |
916 |
ofun[MAT_MIST].funp = m_mist; |
917 |
ofun[PAT_CTEXT].funp = |
918 |
ofun[PAT_BTEXT].funp = |
919 |
ofun[MIX_TEXT].funp = text; |
920 |
ofun[MOD_ALIAS].funp = alias; |
921 |
/* surface inverses */ |
922 |
tinvers[OBJ_FACE] = OBJ_FACE; |
923 |
tinvers[OBJ_SOURCE] = OBJ_SOURCE; |
924 |
tinvers[OBJ_CONE] = OBJ_CUP; |
925 |
tinvers[OBJ_CUP] = OBJ_CONE; |
926 |
tinvers[OBJ_SPHERE] = OBJ_BUBBLE; |
927 |
tinvers[OBJ_BUBBLE] = OBJ_SPHERE; |
928 |
tinvers[OBJ_RING] = OBJ_RING; |
929 |
tinvers[OBJ_CYLINDER] = OBJ_TUBE; |
930 |
tinvers[OBJ_TUBE] = OBJ_CYLINDER; |
931 |
tinvers[OBJ_INSTANCE] = OBJ_INSTANCE; /* oh, well */ |
932 |
} |
933 |
|
934 |
|
935 |
#ifdef OLDXFORM |
936 |
void |
937 |
openmain( |
938 |
char *fname |
939 |
) |
940 |
{ |
941 |
if (fname == NULL) { |
942 |
strcpy(mainfn, "standard input"); |
943 |
mainfp = stdin; |
944 |
return; |
945 |
} |
946 |
if (mainfp != NULL) { |
947 |
if (!strcmp(fname, mainfn)) { |
948 |
rewind(mainfp); |
949 |
return; |
950 |
} |
951 |
fclose(mainfp); |
952 |
} |
953 |
if ((mainfp = fopen(fname, "r")) == NULL) { |
954 |
fprintf(stderr, "%s: cannot open file \"%s\"\n", |
955 |
progname, fname); |
956 |
exit(1); |
957 |
} |
958 |
strcpy(mainfn, fname); |
959 |
} |
960 |
#else |
961 |
void |
962 |
openmain( /* open input, changing directory for file */ |
963 |
char *iname |
964 |
) |
965 |
{ |
966 |
static char origdir[PATH_MAX]; |
967 |
static char curfn[PATH_MAX]; |
968 |
static int diffdir; |
969 |
register char *fpath; |
970 |
|
971 |
if (iname == NULL) { /* standard input */ |
972 |
if (mainfp == NULL) { |
973 |
register int c; |
974 |
strcpy(mainfn, "standard input"); |
975 |
if (nrept <= 1) { |
976 |
mainfp = stdin; |
977 |
return; /* just read once */ |
978 |
} |
979 |
/* else copy */ |
980 |
if ((mainfp = tmpfile()) == NULL) { |
981 |
fprintf(stderr, |
982 |
"%s: cannot create temporary file\n", |
983 |
progname); |
984 |
exit(1); |
985 |
} |
986 |
while ((c = getc(stdin)) != EOF) |
987 |
putc(c, mainfp); |
988 |
} |
989 |
rewind(mainfp); /* rewind copy */ |
990 |
return; |
991 |
} |
992 |
if (mainfp == NULL) { /* first call, initialize */ |
993 |
getcwd(origdir, sizeof(origdir)); |
994 |
} else if (!strcmp(iname, curfn)) { /* just need to rewind? */ |
995 |
rewind(mainfp); |
996 |
return; |
997 |
} else { /* else close old stream */ |
998 |
fclose(mainfp); |
999 |
mainfp = NULL; |
1000 |
if (diffdir) { /* return to our directory */ |
1001 |
chdir(origdir); |
1002 |
diffdir = 0; |
1003 |
} |
1004 |
} |
1005 |
strcpy(curfn, iname); /* remember input name */ |
1006 |
/* get full path for file */ |
1007 |
if ((fpath = getpath(iname, getrlibpath(), R_OK)) == NULL) { |
1008 |
fprintf(stderr, "%s: cannot find file \"%s\"\n", |
1009 |
progname, iname); |
1010 |
exit(1); |
1011 |
} |
1012 |
if (fpath[0] == '.' && ISDIRSEP(fpath[1])) /* remove leading ./ */ |
1013 |
fpath += 2; |
1014 |
/* record path name */ |
1015 |
strcpy(mainfn, fpath); |
1016 |
if (expand) { /* change to local directory */ |
1017 |
register char *cp = fpath + strlen(fpath); /* get dir. */ |
1018 |
while (cp > fpath) { |
1019 |
cp--; |
1020 |
if (ISDIRSEP(*cp)) { |
1021 |
if (cp == fpath) |
1022 |
cp++; /* root special case */ |
1023 |
break; |
1024 |
} |
1025 |
} |
1026 |
*cp = '\0'; |
1027 |
if (fpath[0]) { /* change to new directory? */ |
1028 |
if (chdir(fpath) < 0) { |
1029 |
fprintf(stderr, |
1030 |
"%s: cannot change directory to \"%s\"\n", |
1031 |
progname, fpath); |
1032 |
exit(1); |
1033 |
} |
1034 |
diffdir++; |
1035 |
} |
1036 |
/* get final path component */ |
1037 |
for (fpath = iname+strlen(iname); |
1038 |
fpath > iname && !ISDIRSEP(fpath[-1]); fpath--) |
1039 |
; |
1040 |
} |
1041 |
/* finally, open the file */ |
1042 |
if ((mainfp = fopen(fpath, "r")) == NULL) { |
1043 |
fprintf(stderr, "%s: cannot open file \"%s\"\n", |
1044 |
progname, mainfn); |
1045 |
exit(1); |
1046 |
} |
1047 |
} |
1048 |
#endif |