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/* Copyright (c) 1995 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Convert Radiance scene description to MGF |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include <ctype.h> |
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#include <string.h> |
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#include "fvect.h" |
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|
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#include "platform.h" |
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#include "rtmath.h" |
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#include "rtio.h" |
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#include "rtprocess.h" |
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#include "object.h" |
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#include "color.h" |
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#include "lookup.h" |
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|
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#define PI 3.14159265358979323846 |
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|
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#define C_1SIDEDTHICK 0.005 |
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|
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int o_face(), o_cone(), o_sphere(), o_ring(), o_cylinder(); |
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int o_instance(), o_illum(); |
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int o_plastic(), o_metal(), o_glass(), o_dielectric(), |
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o_mirror(), o_trans(), o_light(); |
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|
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extern void free(); |
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extern char *malloc(); |
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|
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LUTAB rmats = LU_SINIT(free,NULL); /* defined material table */ |
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LUTAB rdispatch = LU_SINIT(NULL,NULL); /* function dispatch table */ |
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LUTAB vertab = LU_SINIT(free,NULL); /* our vertex lookup table */ |
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typedef int dispatchf(char *mod, char *typ, char *id, FUNARGS *fa); |
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|
54 |
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main(argc, argv) |
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int argc; |
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char **argv; |
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> |
void rad2mgf(char *inp); |
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> |
void cvtprim(char *inp, char *mod, char *typ, char *id, FUNARGS *fa); |
56 |
> |
void newmat(char *id, char *alias); |
57 |
> |
void setmat(char *id); |
58 |
> |
void setobj(char *id); |
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> |
void init(void); |
60 |
> |
void uninit(void); |
61 |
> |
void clrverts(void); |
62 |
> |
void unspace(char *s); |
63 |
> |
void add2dispatch(char *name, dispatchf *func); |
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char *getvertid(char *vname, FVECT vp); |
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|
66 |
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dispatchf o_unsupported, o_face, o_cone, o_sphere, |
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o_cylinder, o_ring, o_instance, o_illum, |
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o_plastic, o_metal, o_glass, o_dielectric, |
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o_mirror, o_trans, o_light; |
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|
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|
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int |
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main( |
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int argc, |
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char **argv |
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) |
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{ |
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int i; |
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} |
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rad2mgf(inp) /* convert a Radiance file to MGF */ |
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char *inp; |
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void |
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rad2mgf( /* convert a Radiance file to MGF */ |
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char *inp |
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) |
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{ |
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#define mod buf |
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#define typ (buf+128) |
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#define id (buf+256) |
113 |
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#define alias (buf+384) |
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char buf[512]; |
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char buf[512]; |
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char mod[128], typ[32], id[128], alias[128]; |
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FUNARGS fa; |
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register FILE *fp; |
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register int c; |
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FILE *fp; |
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int c; |
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if (inp == NULL) { |
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inp = "standard input"; |
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break; |
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default: /* Radiance primitive */ |
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ungetc(c, fp); |
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if (fscanf(fp, "%s %s %s", mod, typ, id) != 3) { |
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if (fgetword(mod, sizeof(mod), fp) == NULL || |
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fgetword(typ, sizeof(typ), fp) == NULL || |
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fgetword(id, sizeof(id), fp) == NULL) { |
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fputs(inp, stderr); |
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fputs(": unexpected EOF\n", stderr); |
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exit(1); |
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} |
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unspace(mod); |
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unspace(id); |
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if (!strcmp(typ, "alias")) { |
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strcpy(alias, "EOF"); |
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fscanf(fp, "%s", alias); |
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fgetword(alias, sizeof(alias), fp); |
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unspace(alias); |
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newmat(id, alias); |
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} else { |
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if (!readfargs(&fa, fp)) { |
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} |
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break; |
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} |
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printf("# End conversion from: %s\n", inp); |
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if (inp[0] == '!') |
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pclose(fp); |
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else |
188 |
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if (inp[0] == '!') { |
189 |
> |
if (pclose(fp) != 0) |
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fprintf(stderr, "%s: warning - bad exit status\n", inp); |
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} else |
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fclose(fp); |
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#undef mod |
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#undef typ |
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#undef id |
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#undef alias |
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printf("# End conversion from: %s\n", inp); |
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} |
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cvtprim(inp, mod, typ, id, fa) /* process Radiance primitive */ |
198 |
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char *inp, *mod, *typ, *id; |
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FUNARGS *fa; |
197 |
> |
void |
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unspace( /* replace spaces with underscores in s */ |
199 |
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char *s |
200 |
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) |
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{ |
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int (*df)(); |
202 |
> |
while (*s) { |
203 |
> |
if (isspace(*s)) |
204 |
> |
*s = '_'; |
205 |
> |
++s; |
206 |
> |
} |
207 |
> |
} |
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< |
df = (int (*)())lu_find(&rdispatch, typ)->data; |
209 |
> |
|
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void |
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cvtprim( /* process Radiance primitive */ |
212 |
> |
char *inp, |
213 |
> |
char *mod, |
214 |
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char *typ, |
215 |
> |
char *id, |
216 |
> |
FUNARGS *fa |
217 |
> |
) |
218 |
> |
{ |
219 |
> |
dispatchf *df; |
220 |
> |
|
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> |
df = (dispatchf *)lu_find(&rdispatch, typ)->data; |
222 |
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if (df != NULL) { /* convert */ |
223 |
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if ((*df)(mod, typ, id, fa) < 0) { |
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fprintf(stderr, "%s: bad %s \"%s\"\n", typ, id); |
224 |
> |
fprintf(stderr, "%s: bad %s \"%s\"\n", "rad2mgf", typ, id); |
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exit(1); |
226 |
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} |
227 |
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} else { /* unsupported */ |
232 |
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} |
233 |
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|
234 |
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|
235 |
< |
newmat(id, alias) /* add a modifier to the alias list */ |
236 |
< |
char *id; |
237 |
< |
char *alias; |
235 |
> |
void |
236 |
> |
newmat( /* add a modifier to the alias list */ |
237 |
> |
char *id, |
238 |
> |
char *alias |
239 |
> |
) |
240 |
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{ |
241 |
< |
register LUENT *lp, *lpa; |
241 |
> |
LUENT *lp, *lpa; |
242 |
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|
243 |
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if (alias != NULL) { /* look up alias */ |
244 |
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if ((lpa = lu_find(&rmats, alias)) == NULL) |
270 |
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} |
271 |
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|
272 |
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|
273 |
< |
setmat(id) /* set material to this one */ |
274 |
< |
char *id; |
273 |
> |
void |
274 |
> |
setmat( /* set material to this one */ |
275 |
> |
char *id |
276 |
> |
) |
277 |
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{ |
278 |
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if (!strcmp(id, curmat)) /* already set? */ |
279 |
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return; |
284 |
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} |
285 |
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|
286 |
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|
287 |
< |
setobj(id) /* set object name to this one */ |
288 |
< |
char *id; |
287 |
> |
void |
288 |
> |
setobj( /* set object name to this one */ |
289 |
> |
char *id |
290 |
> |
) |
291 |
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{ |
292 |
< |
register char *cp, *cp2; |
292 |
> |
char *cp, *cp2; |
293 |
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char *end = NULL; |
294 |
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int diff = 0; |
295 |
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/* use all but final suffix */ |
305 |
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*cp2++ = 'O'; |
306 |
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} |
307 |
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for (cp = id; cp < end; *cp2++ = *cp++) { |
308 |
< |
if (*cp < '!' | *cp > '~') /* limit to visible chars */ |
308 |
> |
if ((*cp < '!') | (*cp > '~')) /* limit to visible chars */ |
309 |
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*cp = '?'; |
310 |
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diff += *cp != *cp2; |
311 |
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} |
317 |
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} |
318 |
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319 |
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320 |
< |
init() /* initialize dispatch table and output */ |
320 |
> |
void |
321 |
> |
init(void) /* initialize dispatch table and output */ |
322 |
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{ |
323 |
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lu_init(&vertab, NVERTS); |
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lu_init(&rdispatch, 22); |
331 |
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add2dispatch("tube", o_cylinder); |
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add2dispatch("ring", o_ring); |
333 |
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add2dispatch("instance", o_instance); |
334 |
+ |
add2dispatch("mesh", o_instance); |
335 |
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add2dispatch("plastic", o_plastic); |
336 |
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add2dispatch("plastic2", o_plastic); |
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add2dispatch("metal", o_metal); |
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} |
353 |
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|
354 |
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355 |
< |
uninit() /* mark end of MGF file */ |
355 |
> |
void |
356 |
> |
uninit(void) /* mark end of MGF file */ |
357 |
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{ |
358 |
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puts("o"); |
359 |
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if (hasmult) |
365 |
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} |
366 |
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|
367 |
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|
368 |
< |
clrverts() /* clear vertex table */ |
368 |
> |
void |
369 |
> |
clrverts(void) /* clear vertex table */ |
370 |
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{ |
371 |
< |
register int i; |
371 |
> |
int i; |
372 |
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|
373 |
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lu_done(&vertab); |
374 |
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for (i = 0; i < NVERTS; i++) |
377 |
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} |
378 |
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|
379 |
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|
380 |
< |
add2dispatch(name, func) /* add function to dispatch table */ |
381 |
< |
char *name; |
382 |
< |
int (*func)(); |
380 |
> |
void |
381 |
> |
add2dispatch( /* add function to dispatch table */ |
382 |
> |
char *name, |
383 |
> |
int (*func)() |
384 |
> |
) |
385 |
|
{ |
386 |
< |
register LUENT *lp; |
386 |
> |
LUENT *lp; |
387 |
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|
388 |
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lp = lu_find(&rdispatch, name); |
389 |
|
if (lp->key != NULL) { |
397 |
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|
398 |
|
|
399 |
|
char * |
400 |
< |
getvertid(vname, vp) /* get/set vertex ID for this point */ |
401 |
< |
char *vname; |
402 |
< |
FVECT vp; |
400 |
> |
getvertid( /* get/set vertex ID for this point */ |
401 |
> |
char *vname, |
402 |
> |
FVECT vp |
403 |
> |
) |
404 |
|
{ |
405 |
|
static char vkey[VKLEN]; |
406 |
< |
register LUENT *lp; |
407 |
< |
register int i, vndx; |
406 |
> |
LUENT *lp; |
407 |
> |
int i, vndx; |
408 |
|
|
409 |
|
vclock++; /* increment counter */ |
410 |
|
mkvkey(vkey, vp); |
442 |
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|
443 |
|
|
444 |
|
int |
445 |
< |
o_unsupported(mod, typ, id, fa) /* mark unsupported primitive */ |
446 |
< |
char *mod, *typ, *id; |
447 |
< |
FUNARGS *fa; |
445 |
> |
o_unsupported( /* mark unsupported primitive */ |
446 |
> |
char *mod, |
447 |
> |
char *typ, |
448 |
> |
char *id, |
449 |
> |
FUNARGS *fa |
450 |
> |
) |
451 |
|
{ |
452 |
< |
register int i; |
452 |
> |
int i; |
453 |
|
|
454 |
|
fputs("\n# Unsupported RADIANCE primitive:\n", stdout); |
455 |
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printf("# %s %s %s", mod, typ, id); |
472 |
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|
473 |
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|
474 |
|
int |
475 |
< |
o_face(mod, typ, id, fa) /* print out a polygon */ |
476 |
< |
char *mod, *typ, *id; |
477 |
< |
FUNARGS *fa; |
475 |
> |
o_face( /* print out a polygon */ |
476 |
> |
char *mod, |
477 |
> |
char *typ, |
478 |
> |
char *id, |
479 |
> |
FUNARGS *fa |
480 |
> |
) |
481 |
|
{ |
482 |
< |
char entbuf[2048]; |
483 |
< |
register char *cp; |
484 |
< |
register int i; |
482 |
> |
char entbuf[2048], *linestart; |
483 |
> |
char *cp; |
484 |
> |
int i; |
485 |
|
|
486 |
< |
if (fa->nfargs < 9 | fa->nfargs % 3) |
486 |
> |
if ((fa->nfargs < 9) | (fa->nfargs % 3)) |
487 |
|
return(-1); |
488 |
|
setmat(mod); |
489 |
|
setobj(id); |
490 |
< |
cp = entbuf; |
490 |
> |
cp = linestart = entbuf; |
491 |
|
*cp++ = 'f'; |
492 |
|
for (i = 0; i < fa->nfargs; i += 3) { |
493 |
|
*cp++ = ' '; |
494 |
+ |
if (cp - linestart > 72) { |
495 |
+ |
*cp++ = '\\'; *cp++ = '\n'; |
496 |
+ |
linestart = cp; |
497 |
+ |
*cp++ = ' '; *cp++ = ' '; |
498 |
+ |
} |
499 |
|
getvertid(cp, fa->farg + i); |
500 |
|
while (*cp) |
501 |
|
cp++; |
506 |
|
|
507 |
|
|
508 |
|
int |
509 |
< |
o_cone(mod, typ, id, fa) /* print out a cone */ |
510 |
< |
char *mod, *typ, *id; |
511 |
< |
register FUNARGS *fa; |
509 |
> |
o_cone( /* print out a cone */ |
510 |
> |
char *mod, |
511 |
> |
char *typ, |
512 |
> |
char *id, |
513 |
> |
FUNARGS *fa |
514 |
> |
) |
515 |
|
{ |
516 |
|
char v1[6], v2[6]; |
517 |
|
|
532 |
|
|
533 |
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|
534 |
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int |
535 |
< |
o_sphere(mod, typ, id, fa) /* print out a sphere */ |
536 |
< |
char *mod, *typ, *id; |
537 |
< |
register FUNARGS *fa; |
535 |
> |
o_sphere( /* print out a sphere */ |
536 |
> |
char *mod, |
537 |
> |
char *typ, |
538 |
> |
char *id, |
539 |
> |
FUNARGS *fa |
540 |
> |
) |
541 |
|
{ |
542 |
|
char cent[6]; |
543 |
|
|
552 |
|
|
553 |
|
|
554 |
|
int |
555 |
< |
o_cylinder(mod, typ, id, fa) /* print out a cylinder */ |
556 |
< |
char *mod, *typ, *id; |
557 |
< |
register FUNARGS *fa; |
555 |
> |
o_cylinder( /* print out a cylinder */ |
556 |
> |
char *mod, |
557 |
> |
char *typ, |
558 |
> |
char *id, |
559 |
> |
FUNARGS *fa |
560 |
> |
) |
561 |
|
{ |
562 |
|
char v1[6], v2[6]; |
563 |
|
|
574 |
|
|
575 |
|
|
576 |
|
int |
577 |
< |
o_ring(mod, typ, id, fa) /* print out a ring */ |
578 |
< |
char *mod, *typ, *id; |
579 |
< |
register FUNARGS *fa; |
577 |
> |
o_ring( /* print out a ring */ |
578 |
> |
char *mod, |
579 |
> |
char *typ, |
580 |
> |
char *id, |
581 |
> |
FUNARGS *fa |
582 |
> |
) |
583 |
|
{ |
584 |
|
if (fa->nfargs != 8) |
585 |
|
return(-1); |
600 |
|
|
601 |
|
|
602 |
|
int |
603 |
< |
o_instance(mod, typ, id, fa) /* convert an instance */ |
604 |
< |
char *mod, *typ, *id; |
605 |
< |
FUNARGS *fa; |
603 |
> |
o_instance( /* convert an instance (or mesh) */ |
604 |
> |
char *mod, |
605 |
> |
char *typ, |
606 |
> |
char *id, |
607 |
> |
FUNARGS *fa |
608 |
> |
) |
609 |
|
{ |
610 |
< |
register int i; |
611 |
< |
register char *cp; |
610 |
> |
int i; |
611 |
> |
char *cp; |
612 |
|
char *start = NULL, *end = NULL; |
613 |
|
/* |
614 |
|
* We don't really know how to do this, so we just create |
644 |
|
|
645 |
|
|
646 |
|
int |
647 |
< |
o_illum(mod, typ, id, fa) /* convert an illum material */ |
648 |
< |
char *mod, *typ, *id; |
649 |
< |
FUNARGS *fa; |
647 |
> |
o_illum( /* convert an illum material */ |
648 |
> |
char *mod, |
649 |
> |
char *typ, |
650 |
> |
char *id, |
651 |
> |
FUNARGS *fa |
652 |
> |
) |
653 |
|
{ |
654 |
|
if (fa->nsargs == 1 && strcmp(fa->sarg[0], VOIDID)) { |
655 |
|
newmat(id, fa->sarg[0]); /* just create alias */ |
663 |
|
|
664 |
|
|
665 |
|
int |
666 |
< |
o_plastic(mod, typ, id, fa) /* convert a plastic material */ |
667 |
< |
char *mod, *typ, *id; |
668 |
< |
register FUNARGS *fa; |
666 |
> |
o_plastic( /* convert a plastic material */ |
667 |
> |
char *mod, |
668 |
> |
char *typ, |
669 |
> |
char *id, |
670 |
> |
FUNARGS *fa |
671 |
> |
) |
672 |
|
{ |
673 |
|
COLOR cxyz, rrgb; |
674 |
|
double d; |
681 |
|
puts("\tc"); /* put diffuse component */ |
682 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
683 |
|
if (d > FTINY) |
684 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
685 |
< |
printf("\trd %.4f\n", cxyz[1]*(1. - fa->farg[3])); |
684 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
685 |
> |
printf("\trd %.6f\n", cxyz[1]*(1. - fa->farg[3])); |
686 |
|
if (fa->farg[3] > FTINY) { /* put specular component */ |
687 |
|
puts("\tc"); |
688 |
< |
printf("\trs %.4f %.4f\n", fa->farg[3], |
688 |
> |
printf("\trs %.6f %.6f\n", fa->farg[3], |
689 |
|
typ[7]=='2' ? .5*(fa->farg[4] + fa->farg[5]) : |
690 |
|
fa->farg[4]); |
691 |
|
} |
694 |
|
|
695 |
|
|
696 |
|
int |
697 |
< |
o_metal(mod, typ, id, fa) /* convert a metal material */ |
698 |
< |
char *mod, *typ, *id; |
699 |
< |
register FUNARGS *fa; |
697 |
> |
o_metal( /* convert a metal material */ |
698 |
> |
char *mod, |
699 |
> |
char *typ, |
700 |
> |
char *id, |
701 |
> |
FUNARGS *fa |
702 |
> |
) |
703 |
|
{ |
704 |
|
COLOR cxyz, rrgb; |
705 |
|
double d; |
712 |
|
puts("\tc"); /* put diffuse component */ |
713 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
714 |
|
if (d > FTINY) |
715 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
716 |
< |
printf("\trd %.4f\n", cxyz[1]*(1. - fa->farg[3])); |
715 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
716 |
> |
printf("\trd %.6f\n", cxyz[1]*(1. - fa->farg[3])); |
717 |
|
/* put specular component */ |
718 |
< |
printf("\trs %.4f %.4f\n", cxyz[1]*fa->farg[3], |
718 |
> |
printf("\trs %.6f %.6f\n", cxyz[1]*fa->farg[3], |
719 |
|
typ[5]=='2' ? .5*(fa->farg[4] + fa->farg[5]) : |
720 |
|
fa->farg[4]); |
721 |
|
return(0); |
723 |
|
|
724 |
|
|
725 |
|
int |
726 |
< |
o_glass(mod, typ, id, fa) /* convert a glass material */ |
727 |
< |
char *mod, *typ, *id; |
728 |
< |
register FUNARGS *fa; |
726 |
> |
o_glass( /* convert a glass material */ |
727 |
> |
char *mod, |
728 |
> |
char *typ, |
729 |
> |
char *id, |
730 |
> |
FUNARGS *fa |
731 |
> |
) |
732 |
|
{ |
733 |
|
COLOR cxyz, rrgb, trgb; |
734 |
|
double nrfr = 1.52, F, d; |
735 |
< |
register int i; |
735 |
> |
int i; |
736 |
|
|
737 |
|
if (fa->nfargs != 3 && fa->nfargs != 4) |
738 |
|
return(-1); |
752 |
|
puts("\tc"); |
753 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
754 |
|
if (d > FTINY) |
755 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
756 |
< |
printf("\trs %.4f 0\n", cxyz[1]); |
755 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
756 |
> |
printf("\trs %.6f 0\n", cxyz[1]); |
757 |
|
rgb_cie(cxyz, trgb); /* put transmitted component */ |
758 |
|
puts("\tc"); |
759 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
760 |
|
if (d > FTINY) |
761 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
762 |
< |
printf("\tts %.4f 0\n", cxyz[1]); |
761 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
762 |
> |
printf("\tts %.6f 0\n", cxyz[1]); |
763 |
|
return(0); |
764 |
|
} |
765 |
|
|
766 |
|
|
767 |
|
int |
768 |
< |
o_dielectric(mod, typ, id, fa) /* convert a dielectric material */ |
769 |
< |
char *mod, *typ, *id; |
770 |
< |
register FUNARGS *fa; |
768 |
> |
o_dielectric( /* convert a dielectric material */ |
769 |
> |
char *mod, |
770 |
> |
char *typ, |
771 |
> |
char *id, |
772 |
> |
FUNARGS *fa |
773 |
> |
) |
774 |
|
{ |
775 |
|
COLOR cxyz, trgb; |
776 |
|
double F, d; |
777 |
< |
register int i; |
777 |
> |
int i; |
778 |
|
|
779 |
|
if (fa->nfargs != 5) |
780 |
|
return(-1); |
786 |
|
printf("\tir %f 0\n", fa->farg[3]); /* put index of refraction */ |
787 |
|
printf("\tsides 1\n"); |
788 |
|
puts("\tc"); /* put reflected component */ |
789 |
< |
printf("\trs %.4f 0\n", F); |
789 |
> |
printf("\trs %.6f 0\n", F); |
790 |
|
rgb_cie(cxyz, trgb); /* put transmitted component */ |
791 |
|
puts("\tc"); |
792 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
793 |
|
if (d > FTINY) |
794 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
795 |
< |
printf("\tts %.4f 0\n", cxyz[1]); |
794 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
795 |
> |
printf("\tts %.6f 0\n", cxyz[1]); |
796 |
|
return(0); |
797 |
|
} |
798 |
|
|
799 |
|
|
800 |
|
int |
801 |
< |
o_mirror(mod, typ, id, fa) /* convert a mirror material */ |
802 |
< |
char *mod, *typ, *id; |
803 |
< |
register FUNARGS *fa; |
801 |
> |
o_mirror( /* convert a mirror material */ |
802 |
> |
char *mod, |
803 |
> |
char *typ, |
804 |
> |
char *id, |
805 |
> |
FUNARGS *fa |
806 |
> |
) |
807 |
|
{ |
808 |
|
COLOR cxyz, rrgb; |
809 |
|
double d; |
820 |
|
puts("\tc"); /* put specular component */ |
821 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
822 |
|
if (d > FTINY) |
823 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
824 |
< |
printf("\trs %.4f 0\n", cxyz[1]); |
823 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
824 |
> |
printf("\trs %.6f 0\n", cxyz[1]); |
825 |
|
return(0); |
826 |
|
} |
827 |
|
|
828 |
|
|
829 |
|
int |
830 |
< |
o_trans(mod, typ, id, fa) /* convert a trans material */ |
831 |
< |
char *mod, *typ, *id; |
832 |
< |
register FUNARGS *fa; |
830 |
> |
o_trans( /* convert a trans material */ |
831 |
> |
char *mod, |
832 |
> |
char *typ, |
833 |
> |
char *id, |
834 |
> |
FUNARGS *fa |
835 |
> |
) |
836 |
|
{ |
837 |
|
COLOR cxyz, rrgb; |
838 |
|
double rough, trans, tspec, d; |
839 |
|
|
840 |
< |
if (typ[4] == '2') { /* trans2 */ |
840 |
> |
if (typ[5] == '2') { /* trans2 */ |
841 |
|
if (fa->nfargs != 8) |
842 |
|
return(-1); |
843 |
|
rough = .5*(fa->farg[4] + fa->farg[5]); |
856 |
|
puts("\tc"); /* put transmitted diffuse */ |
857 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
858 |
|
if (d > FTINY) |
859 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
860 |
< |
printf("\ttd %.4f\n", cxyz[1]*trans*(1. - fa->farg[3])*(1. - tspec)); |
859 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
860 |
> |
printf("\ttd %.6f\n", cxyz[1]*trans*(1. - fa->farg[3])*(1. - tspec)); |
861 |
|
/* put transmitted specular */ |
862 |
< |
printf("\tts %.4f %.4f\n", cxyz[1]*trans*tspec*(1. - fa->farg[3]), rough); |
862 |
> |
printf("\tts %.6f %.6f\n", cxyz[1]*trans*tspec*(1. - fa->farg[3]), rough); |
863 |
|
/* put reflected diffuse */ |
864 |
< |
printf("\trd %.4f\n", cxyz[1]*(1. - fa->farg[3])*(1. - trans)); |
864 |
> |
printf("\trd %.6f\n", cxyz[1]*(1. - fa->farg[3])*(1. - trans)); |
865 |
|
puts("\tc"); /* put reflected specular */ |
866 |
< |
printf("\trs %.4f %.4f\n", fa->farg[3], rough); |
866 |
> |
printf("\trs %.6f %.6f\n", fa->farg[3], rough); |
867 |
|
return(0); |
868 |
|
} |
869 |
|
|
870 |
|
|
871 |
|
int |
872 |
< |
o_light(mod, typ, id, fa) /* convert a light type */ |
873 |
< |
char *mod, *typ, *id; |
874 |
< |
register FUNARGS *fa; |
872 |
> |
o_light( /* convert a light type */ |
873 |
> |
char *mod, |
874 |
> |
char *typ, |
875 |
> |
char *id, |
876 |
> |
FUNARGS *fa |
877 |
> |
) |
878 |
|
{ |
879 |
|
COLOR cxyz, rrgb; |
880 |
|
double d; |
887 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
888 |
|
puts("\tc"); |
889 |
|
if (d > FTINY) |
890 |
< |
printf("\t\tcxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
890 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
891 |
|
printf("\ted %.4g\n", cxyz[1]*(PI*WHTEFFICACY)); |
892 |
|
return(0); |
893 |
|
} |