16 |
|
|
17 |
|
#include <ctype.h> |
18 |
|
|
19 |
+ |
#include "object.h" |
20 |
+ |
|
21 |
|
#include "otypes.h" |
22 |
|
|
23 |
|
int xac; /* global xform argument count */ |
25 |
|
int xfa; /* start of xf arguments */ |
26 |
|
|
27 |
|
XF tot; /* total transformation */ |
28 |
< |
int reverse; /* boolean true if scene inverted */ |
28 |
> |
int reverse; /* boolean true if scene mirrored */ |
29 |
|
|
30 |
+ |
int invert = 0; /* boolean true to invert surfaces */ |
31 |
+ |
|
32 |
|
int expand = 0; /* boolean true to expand commands */ |
33 |
|
|
34 |
|
char *newmod = NULL; /* new modifier for surfaces */ |
41 |
|
|
42 |
|
FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */ |
43 |
|
|
44 |
< |
typedef struct { |
41 |
< |
short nsargs; /* # of string arguments */ |
42 |
< |
char **sarg; /* string arguments */ |
43 |
< |
short niargs; /* # of integer arguments */ |
44 |
< |
int *iarg; /* integer arguments */ |
45 |
< |
short nfargs; /* # of float arguments */ |
46 |
< |
double *farg; /* float arguments */ |
47 |
< |
} FUNARGS; |
44 |
> |
short tinvers[NUMOTYPE]; /* inverse types for surfaces */ |
45 |
|
|
46 |
< |
#define MAXSTR 128 /* maximum string length */ |
46 |
> |
extern char *malloc(), *fgetword(); |
47 |
|
|
51 |
– |
FUNARGS *getfargs(); |
52 |
– |
char *malloc(); |
53 |
– |
|
48 |
|
#define progname (xav[0]) |
49 |
|
|
50 |
|
|
80 |
|
break; |
81 |
|
expand = 1; |
82 |
|
continue; |
83 |
+ |
case 'I': |
84 |
+ |
if (argv[a][2]) |
85 |
+ |
break; |
86 |
+ |
invert = 1; |
87 |
+ |
continue; |
88 |
|
} |
89 |
|
break; |
90 |
|
} |
96 |
|
|
97 |
|
if (reverse = tot.sca < 0.0) |
98 |
|
tot.sca = -tot.sca; |
99 |
+ |
if (invert) |
100 |
+ |
reverse = !reverse; |
101 |
|
|
102 |
|
if (a < argc && argv[a][0] == '-') { |
103 |
|
fprintf(stderr, "%s: command line error at '%s'\n", |
236 |
|
char *fname; |
237 |
|
FILE *fin; |
238 |
|
{ |
239 |
+ |
extern char *strcpy(); |
240 |
|
char typ[16], nam[MAXSTR]; |
241 |
|
int fn; |
242 |
|
/* modifier and type */ |
243 |
< |
fscanf(fin, "%s %s", nam, typ); |
243 |
> |
strcpy(typ, "EOF"); |
244 |
> |
fgetword(nam, sizeof(nam), fin); |
245 |
> |
fgetword(typ, sizeof(typ), fin); |
246 |
|
if ((fn = otype(typ)) < 0) { |
247 |
|
fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n", |
248 |
|
progname, fname, typ); |
249 |
|
exit(1); |
250 |
|
} |
251 |
< |
printf("\n%s %s ", newmod!=NULL && issurface(fn) ? newmod : nam, typ); |
251 |
> |
if (issurface(fn)) |
252 |
> |
printf("\n%s %s ", newmod != NULL ? newmod : nam, |
253 |
> |
invert ? ofun[tinvers[fn]].funame : typ); |
254 |
> |
else |
255 |
> |
printf("\n%s %s ", nam, typ); |
256 |
|
/* object name */ |
257 |
< |
fscanf(fin, "%s", nam); |
257 |
> |
fgetword(nam, sizeof(nam), fin); |
258 |
|
if (idprefix != NULL && issurface(fn)) |
259 |
|
printf("%s.%s\n", idprefix, nam); |
260 |
|
else |
272 |
|
FILE *fin; |
273 |
|
{ |
274 |
|
register int i; |
275 |
< |
register FUNARGS *fa; |
275 |
> |
FUNARGS fa; |
276 |
|
|
277 |
< |
if ((fa = getfargs(fin)) == NULL) |
277 |
> |
if (readfargs(&fa, fin) != 1) |
278 |
|
return(-1); |
279 |
|
/* string arguments */ |
280 |
< |
printf("%d", fa->nsargs); |
281 |
< |
for (i = 0; i < fa->nsargs; i++) |
282 |
< |
printf(" %s", fa->sarg[i]); |
280 |
> |
printf("%d", fa.nsargs); |
281 |
> |
for (i = 0; i < fa.nsargs; i++) |
282 |
> |
printf(" %s", fa.sarg[i]); |
283 |
|
printf("\n"); |
284 |
+ |
#ifdef IARGS |
285 |
|
/* integer arguments */ |
286 |
< |
printf("%d", fa->niargs); |
287 |
< |
for (i = 0; i < fa->niargs; i++) |
288 |
< |
printf(" %d", fa->iarg[i]); |
286 |
> |
printf("%d", fa.niargs); |
287 |
> |
for (i = 0; i < fa.niargs; i++) |
288 |
> |
printf(" %d", fa.iarg[i]); |
289 |
|
printf("\n"); |
290 |
+ |
#else |
291 |
+ |
printf("0\n"); |
292 |
+ |
#endif |
293 |
|
/* float arguments */ |
294 |
< |
printf("%d", fa->nfargs); |
295 |
< |
for (i = 0; i < fa->nfargs; i++) |
296 |
< |
printf(" %18.12g", fa->farg[i]); |
294 |
> |
printf("%d", fa.nfargs); |
295 |
> |
for (i = 0; i < fa.nfargs; i++) |
296 |
> |
printf(" %18.12g", fa.farg[i]); |
297 |
|
printf("\n"); |
298 |
< |
freefargs(fa); |
298 |
> |
freefargs(&fa); |
299 |
|
return(0); |
300 |
|
} |
301 |
|
|
304 |
|
FILE *fin; |
305 |
|
{ |
306 |
|
register int i; |
307 |
< |
register FUNARGS *fa; |
307 |
> |
FUNARGS fa; |
308 |
|
|
309 |
< |
if ((fa = getfargs(fin)) == NULL) |
309 |
> |
if (readfargs(&fa, fin) != 1) |
310 |
|
return(-1); |
311 |
|
/* string arguments */ |
312 |
< |
printf("%d", fa->nsargs + xac-xfa); |
313 |
< |
for (i = 0; i < fa->nsargs; i++) |
314 |
< |
printf(" %s", fa->sarg[i]); |
312 |
> |
printf("%d", fa.nsargs + xac-xfa); |
313 |
> |
for (i = 0; i < fa.nsargs; i++) |
314 |
> |
printf(" %s", fa.sarg[i]); |
315 |
|
for (i = xfa; i < xac; i++) /* add xf arguments */ |
316 |
|
printf(" %s", xav[i]); |
317 |
|
printf("\n"); |
318 |
+ |
#ifdef IARGS |
319 |
|
/* integer arguments */ |
320 |
< |
printf("%d", fa->niargs); |
321 |
< |
for (i = 0; i < fa->niargs; i++) |
322 |
< |
printf(" %d", fa->iarg[i]); |
320 |
> |
printf("%d", fa.niargs); |
321 |
> |
for (i = 0; i < fa.niargs; i++) |
322 |
> |
printf(" %d", fa.iarg[i]); |
323 |
|
printf("\n"); |
324 |
+ |
#else |
325 |
+ |
printf("0\n"); |
326 |
+ |
#endif |
327 |
|
/* float arguments */ |
328 |
< |
printf("%d", fa->nfargs); |
329 |
< |
for (i = 0; i < fa->nfargs; i++) |
330 |
< |
printf(" %18.12g", fa->farg[i]); |
328 |
> |
printf("%d", fa.nfargs); |
329 |
> |
for (i = 0; i < fa.nfargs; i++) |
330 |
> |
printf(" %18.12g", fa.farg[i]); |
331 |
|
printf("\n"); |
332 |
< |
freefargs(fa); |
332 |
> |
freefargs(&fa); |
333 |
|
return(0); |
334 |
|
} |
335 |
|
|
353 |
|
{ |
354 |
|
char aliasnm[MAXSTR]; |
355 |
|
|
356 |
< |
if (fscanf(fin, "%s", aliasnm) != 1) |
356 |
> |
if (fgetword(aliasnm, MAXSTR, fin) == NULL) |
357 |
|
return(-1); |
358 |
|
printf("\t%s\n", aliasnm); |
359 |
|
return(0); |
363 |
|
m_glow(fin) /* transform arguments for proximity light */ |
364 |
|
FILE *fin; |
365 |
|
{ |
366 |
< |
register FUNARGS *fa; |
366 |
> |
FUNARGS fa; |
367 |
|
|
368 |
< |
if ((fa = getfargs(fin)) == NULL) |
368 |
> |
if (readfargs(&fa, fin) != 1) |
369 |
|
return(-1); |
370 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
370 |
> |
if (fa.nsargs != 0 || fa.nfargs != 4) |
371 |
|
return(-1); |
372 |
|
printf("0\n0\n4"); |
373 |
|
printf(" %18.12g %18.12g %18.12g", |
374 |
< |
fa->farg[0], fa->farg[1], fa->farg[2]); |
375 |
< |
printf(" %18.12g\n", fa->farg[3] * tot.sca); |
376 |
< |
freefargs(fa); |
374 |
> |
fa.farg[0], fa.farg[1], fa.farg[2]); |
375 |
> |
printf(" %18.12g\n", fa.farg[3] * tot.sca); |
376 |
> |
freefargs(&fa); |
377 |
|
return(0); |
378 |
|
} |
379 |
|
|
381 |
|
m_spot(fin) /* transform arguments for spotlight */ |
382 |
|
FILE *fin; |
383 |
|
{ |
384 |
< |
double v[3]; |
385 |
< |
register FUNARGS *fa; |
384 |
> |
FVECT v; |
385 |
> |
FUNARGS fa; |
386 |
|
|
387 |
< |
if ((fa = getfargs(fin)) == NULL) |
387 |
> |
if (readfargs(&fa, fin) != 1) |
388 |
|
return(-1); |
389 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 7) |
389 |
> |
if (fa.nsargs != 0 || fa.nfargs != 7) |
390 |
|
return(-1); |
391 |
|
printf("0\n0\n7"); |
392 |
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
393 |
< |
fa->farg[0], fa->farg[1], fa->farg[2], fa->farg[3]); |
394 |
< |
multv3(v, fa->farg+4, tot.xfm); |
393 |
> |
fa.farg[0], fa.farg[1], fa.farg[2], fa.farg[3]); |
394 |
> |
multv3(v, fa.farg+4, tot.xfm); |
395 |
|
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
396 |
< |
freefargs(fa); |
396 |
> |
freefargs(&fa); |
397 |
|
return(0); |
398 |
|
} |
399 |
|
|
402 |
|
FILE *fin; |
403 |
|
{ |
404 |
|
double pow(); |
405 |
< |
register FUNARGS *fa; |
405 |
> |
FUNARGS fa; |
406 |
|
|
407 |
< |
if ((fa = getfargs(fin)) == NULL) |
407 |
> |
if (readfargs(&fa, fin) != 1) |
408 |
|
return(-1); |
409 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 5) |
409 |
> |
if (fa.nsargs != 0 || fa.nfargs != 5) |
410 |
|
return(-1); |
411 |
|
printf("0\n0\n5"); |
412 |
|
printf(" %18.12g %18.12g %18.12g", |
413 |
< |
pow(fa->farg[0], 1.0/tot.sca), |
414 |
< |
pow(fa->farg[1], 1.0/tot.sca), |
415 |
< |
pow(fa->farg[2], 1.0/tot.sca)); |
416 |
< |
printf(" %18.12g %18.12g\n", fa->farg[3], fa->farg[4]); |
417 |
< |
freefargs(fa); |
413 |
> |
pow(fa.farg[0], 1.0/tot.sca), |
414 |
> |
pow(fa.farg[1], 1.0/tot.sca), |
415 |
> |
pow(fa.farg[2], 1.0/tot.sca)); |
416 |
> |
printf(" %18.12g %18.12g\n", fa.farg[3], fa.farg[4]); |
417 |
> |
freefargs(&fa); |
418 |
|
return(0); |
419 |
|
} |
420 |
|
|
423 |
|
FILE *fin; |
424 |
|
{ |
425 |
|
double pow(); |
426 |
< |
register FUNARGS *fa; |
426 |
> |
FUNARGS fa; |
427 |
|
|
428 |
< |
if ((fa = getfargs(fin)) == NULL) |
428 |
> |
if (readfargs(&fa, fin) != 1) |
429 |
|
return(-1); |
430 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8) |
430 |
> |
if (fa.nsargs != 0 || fa.nfargs != 8) |
431 |
|
return(-1); |
432 |
|
printf("0\n0\n8\n"); |
433 |
|
printf("%18.12g %18.12g %18.12g", |
434 |
< |
pow(fa->farg[0], 1.0/tot.sca), |
435 |
< |
pow(fa->farg[1], 1.0/tot.sca), |
436 |
< |
pow(fa->farg[2], 1.0/tot.sca)); |
437 |
< |
printf(" %18.12g\n", fa->farg[3]); |
434 |
> |
pow(fa.farg[0], 1.0/tot.sca), |
435 |
> |
pow(fa.farg[1], 1.0/tot.sca), |
436 |
> |
pow(fa.farg[2], 1.0/tot.sca)); |
437 |
> |
printf(" %18.12g\n", fa.farg[3]); |
438 |
|
printf("%18.12g %18.12g %18.12g", |
439 |
< |
pow(fa->farg[4], 1.0/tot.sca), |
440 |
< |
pow(fa->farg[5], 1.0/tot.sca), |
441 |
< |
pow(fa->farg[6], 1.0/tot.sca)); |
442 |
< |
printf(" %18.12g\n", fa->farg[7]); |
443 |
< |
freefargs(fa); |
439 |
> |
pow(fa.farg[4], 1.0/tot.sca), |
440 |
> |
pow(fa.farg[5], 1.0/tot.sca), |
441 |
> |
pow(fa.farg[6], 1.0/tot.sca)); |
442 |
> |
printf(" %18.12g\n", fa.farg[7]); |
443 |
> |
freefargs(&fa); |
444 |
|
return(0); |
445 |
|
} |
446 |
|
|
449 |
|
FILE *fin; |
450 |
|
{ |
451 |
|
int i; |
452 |
< |
double v[3]; |
453 |
< |
register FUNARGS *fa; |
452 |
> |
FVECT v; |
453 |
> |
FUNARGS fa; |
454 |
|
|
455 |
< |
if ((fa = getfargs(fin)) == NULL) |
455 |
> |
if (readfargs(&fa, fin) != 1) |
456 |
|
return(-1); |
457 |
< |
if (fa->niargs != 0 || (fa->nfargs != 9 && |
442 |
< |
fa->nfargs != 11 && fa->nfargs != 15)) |
457 |
> |
if (fa.nfargs != 9 && fa.nfargs != 11 && fa.nfargs != 15) |
458 |
|
return(-1); |
459 |
|
/* string arguments */ |
460 |
< |
printf("%d", fa->nsargs); |
461 |
< |
for (i = 0; i < fa->nsargs; i++) |
462 |
< |
printf(" %s", fa->sarg[i]); |
463 |
< |
printf("\n0\n%d\n", fa->nfargs); |
460 |
> |
printf("%d", fa.nsargs); |
461 |
> |
for (i = 0; i < fa.nsargs; i++) |
462 |
> |
printf(" %s", fa.sarg[i]); |
463 |
> |
printf("\n0\n%d\n", fa.nfargs); |
464 |
|
/* anchor point */ |
465 |
< |
multp3(v, fa->farg, tot.xfm); |
465 |
> |
multp3(v, fa.farg, tot.xfm); |
466 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
467 |
|
/* right vector */ |
468 |
< |
multv3(v, fa->farg+3, tot.xfm); |
468 |
> |
multv3(v, fa.farg+3, tot.xfm); |
469 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
470 |
|
/* down vector */ |
471 |
< |
multv3(v, fa->farg+6, tot.xfm); |
471 |
> |
multv3(v, fa.farg+6, tot.xfm); |
472 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
473 |
|
/* forground and background */ |
474 |
< |
if (fa->nfargs == 11) |
475 |
< |
printf(" %18.12g %18.12g\n", fa->farg[9], fa->farg[10]); |
476 |
< |
else if (fa->nfargs == 15) { |
474 |
> |
if (fa.nfargs == 11) |
475 |
> |
printf(" %18.12g %18.12g\n", fa.farg[9], fa.farg[10]); |
476 |
> |
else if (fa.nfargs == 15) { |
477 |
|
printf(" %18.12g %18.12g %18.12g\n", |
478 |
< |
fa->farg[9], fa->farg[10], fa->farg[11]); |
478 |
> |
fa.farg[9], fa.farg[10], fa.farg[11]); |
479 |
|
printf(" %18.12g %18.12g %18.12g\n", |
480 |
< |
fa->farg[12], fa->farg[13], fa->farg[14]); |
480 |
> |
fa.farg[12], fa.farg[13], fa.farg[14]); |
481 |
|
} |
482 |
< |
freefargs(fa); |
482 |
> |
freefargs(&fa); |
483 |
|
return(0); |
484 |
|
} |
485 |
|
|
487 |
|
o_source(fin) /* transform source arguments */ |
488 |
|
FILE *fin; |
489 |
|
{ |
490 |
< |
double dv[3]; |
491 |
< |
register FUNARGS *fa; |
490 |
> |
FVECT dv; |
491 |
> |
FUNARGS fa; |
492 |
|
|
493 |
< |
if ((fa = getfargs(fin)) == NULL) |
493 |
> |
if (readfargs(&fa, fin) != 1) |
494 |
|
return(-1); |
495 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
495 |
> |
if (fa.nsargs != 0 || fa.nfargs != 4) |
496 |
|
return(-1); |
497 |
|
/* transform direction vector */ |
498 |
< |
multv3(dv, fa->farg, tot.xfm); |
498 |
> |
multv3(dv, fa.farg, tot.xfm); |
499 |
|
/* output */ |
500 |
|
printf("0\n0\n4"); |
501 |
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
502 |
< |
dv[0], dv[1], dv[2], fa->farg[3]); |
503 |
< |
freefargs(fa); |
502 |
> |
dv[0], dv[1], dv[2], fa.farg[3]); |
503 |
> |
freefargs(&fa); |
504 |
|
return(0); |
505 |
|
} |
506 |
|
|
508 |
|
o_sphere(fin) /* transform sphere arguments */ |
509 |
|
FILE *fin; |
510 |
|
{ |
511 |
< |
double cent[3], rad; |
512 |
< |
register FUNARGS *fa; |
511 |
> |
FVECT cent; |
512 |
> |
double rad; |
513 |
> |
FUNARGS fa; |
514 |
|
|
515 |
< |
if ((fa = getfargs(fin)) == NULL) |
515 |
> |
if (readfargs(&fa, fin) != 1) |
516 |
|
return(-1); |
517 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
517 |
> |
if (fa.nsargs != 0 || fa.nfargs != 4) |
518 |
|
return(-1); |
519 |
|
|
520 |
< |
multp3(cent, fa->farg, tot.xfm); /* transform center */ |
520 |
> |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
521 |
|
|
522 |
< |
rad = fa->farg[3] * tot.sca; /* scale radius */ |
522 |
> |
rad = fa.farg[3] * tot.sca; /* scale radius */ |
523 |
|
|
524 |
|
printf("0\n0\n4"); |
525 |
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
526 |
|
cent[0], cent[1], cent[2], rad); |
527 |
< |
freefargs(fa); |
527 |
> |
freefargs(&fa); |
528 |
|
return(0); |
529 |
|
} |
530 |
|
|
532 |
|
o_face(fin) /* transform face arguments */ |
533 |
|
FILE *fin; |
534 |
|
{ |
535 |
< |
double p[3]; |
535 |
> |
FVECT p; |
536 |
|
register int i; |
537 |
< |
register FUNARGS *fa; |
537 |
> |
FUNARGS fa; |
538 |
|
|
539 |
< |
if ((fa = getfargs(fin)) == NULL) |
539 |
> |
if (readfargs(&fa, fin) != 1) |
540 |
|
return(-1); |
541 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs % 3) |
541 |
> |
if (fa.nsargs != 0 || fa.nfargs % 3) |
542 |
|
return(-1); |
543 |
|
|
544 |
< |
printf("0\n0\n%d\n", fa->nfargs); |
544 |
> |
printf("0\n0\n%d\n", fa.nfargs); |
545 |
|
|
546 |
< |
for (i = 0; i < fa->nfargs; i += 3) { |
546 |
> |
for (i = 0; i < fa.nfargs; i += 3) { |
547 |
|
if (reverse) |
548 |
< |
multp3(p, fa->farg+(fa->nfargs-i-3), tot.xfm); |
548 |
> |
multp3(p, fa.farg+(fa.nfargs-i-3), tot.xfm); |
549 |
|
else |
550 |
< |
multp3(p, fa->farg+i, tot.xfm); |
550 |
> |
multp3(p, fa.farg+i, tot.xfm); |
551 |
|
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]); |
552 |
|
} |
553 |
< |
freefargs(fa); |
553 |
> |
freefargs(&fa); |
554 |
|
return(0); |
555 |
|
} |
556 |
|
|
558 |
|
o_cone(fin) /* transform cone and cup arguments */ |
559 |
|
FILE *fin; |
560 |
|
{ |
561 |
< |
double p0[3], p1[3], r0, r1; |
562 |
< |
register FUNARGS *fa; |
561 |
> |
FVECT p0, p1; |
562 |
> |
double r0, r1; |
563 |
> |
FUNARGS fa; |
564 |
|
|
565 |
< |
if ((fa = getfargs(fin)) == NULL) |
565 |
> |
if (readfargs(&fa, fin) != 1) |
566 |
|
return(-1); |
567 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8) |
567 |
> |
if (fa.nsargs != 0 || fa.nfargs != 8) |
568 |
|
return(-1); |
569 |
|
|
570 |
|
printf("0\n0\n8\n"); |
571 |
|
|
572 |
< |
multp3(p0, fa->farg, tot.xfm); |
573 |
< |
multp3(p1, fa->farg+3, tot.xfm); |
574 |
< |
r0 = fa->farg[6] * tot.sca; |
575 |
< |
r1 = fa->farg[7] * tot.sca; |
572 |
> |
multp3(p0, fa.farg, tot.xfm); |
573 |
> |
multp3(p1, fa.farg+3, tot.xfm); |
574 |
> |
r0 = fa.farg[6] * tot.sca; |
575 |
> |
r1 = fa.farg[7] * tot.sca; |
576 |
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
577 |
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
578 |
|
printf(" %18.12g %18.12g\n", r0, r1); |
579 |
|
|
580 |
< |
freefargs(fa); |
580 |
> |
freefargs(&fa); |
581 |
|
return(0); |
582 |
|
} |
583 |
|
|
585 |
|
o_cylinder(fin) /* transform cylinder and tube arguments */ |
586 |
|
FILE *fin; |
587 |
|
{ |
588 |
< |
double p0[3], p1[3], rad; |
589 |
< |
register FUNARGS *fa; |
588 |
> |
FVECT p0, p1; |
589 |
> |
double rad; |
590 |
> |
FUNARGS fa; |
591 |
|
|
592 |
< |
if ((fa = getfargs(fin)) == NULL) |
592 |
> |
if (readfargs(&fa, fin) != 1) |
593 |
|
return(-1); |
594 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 7) |
594 |
> |
if (fa.nsargs != 0 || fa.nfargs != 7) |
595 |
|
return(-1); |
596 |
|
|
597 |
|
printf("0\n0\n7\n"); |
598 |
|
|
599 |
< |
multp3(p0, fa->farg, tot.xfm); |
600 |
< |
multp3(p1, fa->farg+3, tot.xfm); |
601 |
< |
rad = fa->farg[6] * tot.sca; |
599 |
> |
multp3(p0, fa.farg, tot.xfm); |
600 |
> |
multp3(p1, fa.farg+3, tot.xfm); |
601 |
> |
rad = fa.farg[6] * tot.sca; |
602 |
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
603 |
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
604 |
|
printf(" %18.12g\n", rad); |
605 |
< |
freefargs(fa); |
605 |
> |
freefargs(&fa); |
606 |
|
return(0); |
607 |
|
} |
608 |
|
|
610 |
|
o_ring(fin) /* transform ring arguments */ |
611 |
|
FILE *fin; |
612 |
|
{ |
613 |
< |
double p0[3], pd[3], r0, r1; |
614 |
< |
register FUNARGS *fa; |
613 |
> |
FVECT p0, pd; |
614 |
> |
double r0, r1; |
615 |
> |
FUNARGS fa; |
616 |
|
|
617 |
< |
if ((fa = getfargs(fin)) == NULL) |
617 |
> |
if (readfargs(&fa, fin) != 1) |
618 |
|
return(-1); |
619 |
< |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8) |
619 |
> |
if (fa.nsargs != 0 || fa.nfargs != 8) |
620 |
|
return(-1); |
621 |
|
|
622 |
|
printf("0\n0\n8\n"); |
623 |
|
|
624 |
< |
multp3(p0, fa->farg, tot.xfm); |
625 |
< |
multv3(pd, fa->farg+3, tot.xfm); |
626 |
< |
r0 = fa->farg[6] * tot.sca; |
627 |
< |
r1 = fa->farg[7] * tot.sca; |
624 |
> |
multp3(p0, fa.farg, tot.xfm); |
625 |
> |
multv3(pd, fa.farg+3, tot.xfm); |
626 |
> |
if (invert) { |
627 |
> |
pd[0] = -pd[0]; |
628 |
> |
pd[1] = -pd[1]; |
629 |
> |
pd[2] = -pd[2]; |
630 |
> |
} |
631 |
> |
r0 = fa.farg[6] * tot.sca; |
632 |
> |
r1 = fa.farg[7] * tot.sca; |
633 |
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
634 |
|
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]); |
635 |
|
printf(" %18.12g %18.12g\n", r0, r1); |
636 |
< |
freefargs(fa); |
636 |
> |
freefargs(&fa); |
637 |
|
return(0); |
638 |
|
} |
639 |
|
|
640 |
|
|
617 |
– |
FUNARGS * |
618 |
– |
getfargs(fp) /* get function arguments from stream */ |
619 |
– |
FILE *fp; |
620 |
– |
{ |
621 |
– |
char *strcpy(); |
622 |
– |
char sbuf[MAXSTR]; |
623 |
– |
int n; |
624 |
– |
register FUNARGS *fa; |
625 |
– |
register int i; |
626 |
– |
|
627 |
– |
if ((fa = (FUNARGS *)malloc((unsigned)sizeof(FUNARGS))) == NULL) |
628 |
– |
goto memerr; |
629 |
– |
if (fscanf(fp, "%d", &n) != 1 || n < 0) |
630 |
– |
return(NULL); |
631 |
– |
if (fa->nsargs = n) { |
632 |
– |
fa->sarg = (char **)malloc((unsigned)fa->nsargs*sizeof(char *)); |
633 |
– |
if (fa->sarg == NULL) |
634 |
– |
goto memerr; |
635 |
– |
for (i = 0; i < fa->nsargs; i++) { |
636 |
– |
if (fscanf(fp, "%s", sbuf) != 1) |
637 |
– |
return(NULL); |
638 |
– |
if ((fa->sarg[i] = malloc((unsigned)strlen(sbuf)+1)) == NULL) |
639 |
– |
goto memerr; |
640 |
– |
strcpy(fa->sarg[i], sbuf); |
641 |
– |
} |
642 |
– |
} else |
643 |
– |
fa->sarg = NULL; |
644 |
– |
if (fscanf(fp, "%d", &n) != 1 || n < 0) |
645 |
– |
return(NULL); |
646 |
– |
if (fa->niargs = n) { |
647 |
– |
fa->iarg = (int *)malloc((unsigned)fa->niargs*sizeof(int)); |
648 |
– |
if (fa->iarg == NULL) |
649 |
– |
goto memerr; |
650 |
– |
for (i = 0; i < fa->niargs; i++) |
651 |
– |
if (fscanf(fp, "%d", &fa->iarg[i]) != 1) |
652 |
– |
return(NULL); |
653 |
– |
} else |
654 |
– |
fa->iarg = NULL; |
655 |
– |
if (fscanf(fp, "%d", &n) != 1 || n < 0) |
656 |
– |
return(NULL); |
657 |
– |
if (fa->nfargs = n) { |
658 |
– |
fa->farg = (double *)malloc((unsigned)fa->nfargs*sizeof(double)); |
659 |
– |
if (fa->farg == NULL) |
660 |
– |
goto memerr; |
661 |
– |
for (i = 0; i < fa->nfargs; i++) |
662 |
– |
if (fscanf(fp, "%lf", &fa->farg[i]) != 1) |
663 |
– |
return(NULL); |
664 |
– |
} else |
665 |
– |
fa->farg = NULL; |
666 |
– |
return(fa); |
667 |
– |
memerr: |
668 |
– |
fprintf(stderr, "%s: out of memory in getfargs\n", progname); |
669 |
– |
exit(1); |
670 |
– |
} |
671 |
– |
|
672 |
– |
|
673 |
– |
freefargs(fa) /* free memory associated with fa */ |
674 |
– |
register FUNARGS *fa; |
675 |
– |
{ |
676 |
– |
register int i; |
677 |
– |
|
678 |
– |
for (i = 0; i < fa->nsargs; i++) |
679 |
– |
free(fa->sarg[i]); |
680 |
– |
if (fa->nsargs) |
681 |
– |
free(fa->sarg); |
682 |
– |
if (fa->niargs) |
683 |
– |
free(fa->iarg); |
684 |
– |
if (fa->nfargs) |
685 |
– |
free(fa->farg); |
686 |
– |
free(fa); |
687 |
– |
} |
688 |
– |
|
689 |
– |
|
641 |
|
initotypes() /* initialize ofun[] array */ |
642 |
|
{ |
643 |
|
extern int o_source(); |
684 |
|
ofun[PAT_BTEXT].funp = |
685 |
|
ofun[MIX_TEXT].funp = text; |
686 |
|
ofun[ALIAS].funp = alias; |
687 |
+ |
/* surface inverses */ |
688 |
+ |
tinvers[OBJ_SOURCE] = OBJ_SOURCE; |
689 |
+ |
tinvers[OBJ_CONE] = OBJ_CUP; |
690 |
+ |
tinvers[OBJ_CUP] = OBJ_CONE; |
691 |
+ |
tinvers[OBJ_SPHERE] = OBJ_BUBBLE; |
692 |
+ |
tinvers[OBJ_BUBBLE] = OBJ_SPHERE; |
693 |
+ |
tinvers[OBJ_RING] = OBJ_RING; |
694 |
+ |
tinvers[OBJ_CYLINDER] = OBJ_TUBE; |
695 |
+ |
tinvers[OBJ_TUBE] = OBJ_CYLINDER; |
696 |
+ |
tinvers[OBJ_INSTANCE] = OBJ_INSTANCE; /* oh, well */ |
697 |
|
} |