| 1 |
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/* Copyright (c) 1994 Regents of the University of California */ |
| 2 |
– |
|
| 1 |
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#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
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#endif |
| 6 |
– |
|
| 4 |
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/* |
| 5 |
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* Convert Radiance scene description to MGF |
| 6 |
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*/ |
| 7 |
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|
| 8 |
< |
#include <stdio.h> |
| 9 |
< |
#include <string.h> |
| 10 |
< |
#include "fvect.h" |
| 8 |
> |
#include <ctype.h> |
| 9 |
> |
|
| 10 |
> |
#include "platform.h" |
| 11 |
> |
#include "rtmath.h" |
| 12 |
> |
#include "rtio.h" |
| 13 |
> |
#include "rtprocess.h" |
| 14 |
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#include "object.h" |
| 15 |
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#include "color.h" |
| 16 |
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#include "lookup.h" |
| 17 |
|
|
| 18 |
< |
int o_face(), o_cone(), o_sphere(), o_ring(), o_cylinder(); |
| 19 |
< |
int o_instance(), o_source(), o_illum(); |
| 20 |
< |
int o_plastic(), o_metal(), o_glass(), o_mirror(), o_trans(), o_light(); |
| 18 |
> |
#define C_1SIDEDTHICK 0.005 |
| 19 |
|
|
| 22 |
– |
extern void free(); |
| 23 |
– |
extern char *malloc(); |
| 20 |
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|
| 21 |
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LUTAB rmats = LU_SINIT(free,NULL); /* defined material table */ |
| 22 |
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|
| 23 |
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LUTAB rdispatch = LU_SINIT(NULL,NULL); /* function dispatch table */ |
| 24 |
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|
| 25 |
< |
char curmat[80]; /* current material */ |
| 25 |
> |
char curmat[80]; /* current material */ |
| 26 |
> |
char curobj[128] = "Untitled"; /* current object name */ |
| 27 |
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|
| 28 |
< |
double unit_mult = 1.; /* units multiplier */ |
| 28 |
> |
double unit_mult = 1.; /* units multiplier */ |
| 29 |
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|
| 30 |
+ |
#define hasmult (unit_mult < .999 || unit_mult > 1.001) |
| 31 |
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|
| 32 |
< |
main(argc, argv) |
| 33 |
< |
int argc; |
| 34 |
< |
char **argv; |
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> |
/* |
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> |
* Stuff for tracking and reusing vertices: |
| 34 |
> |
*/ |
| 35 |
> |
|
| 36 |
> |
char VKFMT[] = "%+16.9e %+16.9e %+16.9e"; |
| 37 |
> |
#define VKLEN 64 |
| 38 |
> |
|
| 39 |
> |
#define mkvkey(k,v) sprintf(k, VKFMT, (v)[0], (v)[1], (v)[2]) |
| 40 |
> |
|
| 41 |
> |
#define NVERTS 256 |
| 42 |
> |
|
| 43 |
> |
long vclock; /* incremented at each vertex request */ |
| 44 |
> |
|
| 45 |
> |
struct vert { |
| 46 |
> |
long lused; /* when last used (0 if unassigned) */ |
| 47 |
> |
FVECT p; /* track point position only */ |
| 48 |
> |
} vert[NVERTS]; /* our vertex cache */ |
| 49 |
> |
|
| 50 |
> |
LUTAB vertab = LU_SINIT(free,NULL); /* our vertex lookup table */ |
| 51 |
> |
|
| 52 |
> |
void rad2mgf(char *inp); |
| 53 |
> |
void cvtprim(char *inp, char *mod, char *typ, char *id, FUNARGS *fa); |
| 54 |
> |
void newmat(char *id, char *alias); |
| 55 |
> |
void setmat(char *id); |
| 56 |
> |
void setobj(char *id); |
| 57 |
> |
void init(void); |
| 58 |
> |
void uninit(void); |
| 59 |
> |
void clrverts(void); |
| 60 |
> |
void unspace(char *s); |
| 61 |
> |
void add2dispatch(char *name, int (*func)()); |
| 62 |
> |
char *getvertid(char *vname, FVECT vp); |
| 63 |
> |
int o_unsupported(char *mod, char *typ, char *id, FUNARGS *fa); |
| 64 |
> |
int o_face(char *mod, char *typ, char *id, FUNARGS *fa); |
| 65 |
> |
int o_cone(char *mod, char *typ, char *id, FUNARGS *fa); |
| 66 |
> |
int o_sphere(char *mod, char *typ, char *id, FUNARGS *fa); |
| 67 |
> |
int o_cylinder(char *mod, char *typ, char *id, FUNARGS *fa); |
| 68 |
> |
int o_ring(char *mod, char *typ, char *id, FUNARGS *fa); |
| 69 |
> |
int o_instance(char *mod, char *typ, char *id, FUNARGS *fa); |
| 70 |
> |
int o_illum(char *mod, char *typ, char *id, FUNARGS *fa); |
| 71 |
> |
int o_plastic(char *mod, char *typ, char *id, FUNARGS *fa); |
| 72 |
> |
int o_metal(char *mod, char *typ, char *id, FUNARGS *fa); |
| 73 |
> |
int o_glass(char *mod, char *typ, char *id, FUNARGS *fa); |
| 74 |
> |
int o_dielectric(char *mod, char *typ, char *id, FUNARGS *fa); |
| 75 |
> |
int o_mirror(char *mod, char *typ, char *id, FUNARGS *fa); |
| 76 |
> |
int o_trans(char *mod, char *typ, char *id, FUNARGS *fa); |
| 77 |
> |
int o_light(char *mod, char *typ, char *id, FUNARGS *fa); |
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> |
|
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> |
|
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> |
int |
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> |
main( |
| 82 |
> |
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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goto unkopt; |
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} |
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break; |
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+ |
default: |
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+ |
goto unkopt; |
| 110 |
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} |
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init(); |
| 112 |
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if (i >= argc) |
| 122 |
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} |
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|
| 124 |
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|
| 125 |
< |
rad2mgf(inp) /* convert a Radiance file to MGF */ |
| 126 |
< |
char *inp; |
| 125 |
> |
void |
| 126 |
> |
rad2mgf( /* convert a Radiance file to MGF */ |
| 127 |
> |
char *inp |
| 128 |
> |
) |
| 129 |
|
{ |
| 130 |
< |
#define mod buf |
| 131 |
< |
#define typ (buf+128) |
| 80 |
< |
#define id (buf+256) |
| 81 |
< |
#define alias (buf+384) |
| 82 |
< |
char buf[512]; |
| 130 |
> |
char buf[512]; |
| 131 |
> |
char mod[128], typ[32], id[128], alias[128]; |
| 132 |
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FUNARGS fa; |
| 133 |
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register FILE *fp; |
| 134 |
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register int c; |
| 135 |
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|
| 136 |
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if (inp == NULL) { |
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< |
inp = "the standard input"; |
| 137 |
> |
inp = "standard input"; |
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fp = stdin; |
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} else if (inp[0] == '!') { |
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if ((fp = popen(inp+1, "r")) == NULL) { |
| 167 |
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break; |
| 168 |
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default: /* Radiance primitive */ |
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ungetc(c, fp); |
| 170 |
< |
if (fscanf(fp, "%s %s %s", mod, typ, id) != 3) { |
| 170 |
> |
if (fgetword(mod, sizeof(mod), fp) == NULL || |
| 171 |
> |
fgetword(typ, sizeof(typ), fp) == NULL || |
| 172 |
> |
fgetword(id, sizeof(id), fp) == NULL) { |
| 173 |
|
fputs(inp, stderr); |
| 174 |
|
fputs(": unexpected EOF\n", stderr); |
| 175 |
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exit(1); |
| 176 |
|
} |
| 177 |
+ |
unspace(mod); |
| 178 |
+ |
unspace(id); |
| 179 |
|
if (!strcmp(typ, "alias")) { |
| 180 |
|
strcpy(alias, "EOF"); |
| 181 |
< |
fscanf(fp, "%s", alias); |
| 181 |
> |
fgetword(alias, sizeof(alias), fp); |
| 182 |
> |
unspace(alias); |
| 183 |
|
newmat(id, alias); |
| 184 |
|
} else { |
| 185 |
|
if (!readfargs(&fa, fp)) { |
| 198 |
|
pclose(fp); |
| 199 |
|
else |
| 200 |
|
fclose(fp); |
| 147 |
– |
#undef mod |
| 148 |
– |
#undef typ |
| 149 |
– |
#undef id |
| 150 |
– |
#undef alias |
| 201 |
|
} |
| 202 |
|
|
| 203 |
|
|
| 204 |
< |
cvtprim(inp, mod, typ, id, fa) /* process Radiance primitive */ |
| 205 |
< |
char *inp, *mod, *typ, *id; |
| 206 |
< |
FUNARGS *fa; |
| 204 |
> |
void |
| 205 |
> |
unspace( /* replace spaces with underscores in s */ |
| 206 |
> |
char *s |
| 207 |
> |
) |
| 208 |
|
{ |
| 209 |
+ |
while (*s) { |
| 210 |
+ |
if (isspace(*s)) |
| 211 |
+ |
*s = '_'; |
| 212 |
+ |
++s; |
| 213 |
+ |
} |
| 214 |
+ |
} |
| 215 |
+ |
|
| 216 |
+ |
|
| 217 |
+ |
void |
| 218 |
+ |
cvtprim( /* process Radiance primitive */ |
| 219 |
+ |
char *inp, |
| 220 |
+ |
char *mod, |
| 221 |
+ |
char *typ, |
| 222 |
+ |
char *id, |
| 223 |
+ |
FUNARGS *fa |
| 224 |
+ |
) |
| 225 |
+ |
{ |
| 226 |
|
int (*df)(); |
| 227 |
|
|
| 228 |
|
df = (int (*)())lu_find(&rdispatch, typ)->data; |
| 229 |
|
if (df != NULL) { /* convert */ |
| 230 |
|
if ((*df)(mod, typ, id, fa) < 0) { |
| 231 |
< |
fprintf(stderr, "%s: bad %s \"%s\"\n", typ, id); |
| 231 |
> |
fprintf(stderr, "%s: bad %s \"%s\"\n", "rad2mgf", typ, id); |
| 232 |
|
exit(1); |
| 233 |
|
} |
| 234 |
< |
} else if (lu_find(&rmats, mod)->data != NULL) /* make alias */ |
| 235 |
< |
newmat(id, mod); |
| 234 |
> |
} else { /* unsupported */ |
| 235 |
> |
o_unsupported(mod, typ, id, fa); |
| 236 |
> |
if (lu_find(&rmats, mod)->data != NULL) /* make alias */ |
| 237 |
> |
newmat(id, mod); |
| 238 |
> |
} |
| 239 |
|
} |
| 240 |
|
|
| 241 |
|
|
| 242 |
< |
newmat(id, alias) /* add a modifier to the alias list */ |
| 243 |
< |
char *id; |
| 244 |
< |
char *alias; |
| 242 |
> |
void |
| 243 |
> |
newmat( /* add a modifier to the alias list */ |
| 244 |
> |
char *id, |
| 245 |
> |
char *alias |
| 246 |
> |
) |
| 247 |
|
{ |
| 248 |
|
register LUENT *lp, *lpa; |
| 249 |
|
|
| 277 |
|
} |
| 278 |
|
|
| 279 |
|
|
| 280 |
< |
setmat(id) /* set material to this one */ |
| 281 |
< |
char *id; |
| 280 |
> |
void |
| 281 |
> |
setmat( /* set material to this one */ |
| 282 |
> |
char *id |
| 283 |
> |
) |
| 284 |
|
{ |
| 285 |
|
if (!strcmp(id, curmat)) /* already set? */ |
| 286 |
|
return; |
| 287 |
+ |
if (!strcmp(id, VOIDID)) /* cannot set */ |
| 288 |
+ |
return; |
| 289 |
|
printf("m %s\n", id); |
| 290 |
|
strcpy(curmat, id); |
| 291 |
|
} |
| 292 |
|
|
| 293 |
|
|
| 294 |
< |
init() /* initialize dispatch table and output */ |
| 294 |
> |
void |
| 295 |
> |
setobj( /* set object name to this one */ |
| 296 |
> |
char *id |
| 297 |
> |
) |
| 298 |
|
{ |
| 299 |
+ |
register char *cp, *cp2; |
| 300 |
+ |
char *end = NULL; |
| 301 |
+ |
int diff = 0; |
| 302 |
+ |
/* use all but final suffix */ |
| 303 |
+ |
for (cp = id; *cp; cp++) |
| 304 |
+ |
if (*cp == '.') |
| 305 |
+ |
end = cp; |
| 306 |
+ |
if (end == NULL) |
| 307 |
+ |
end = cp; |
| 308 |
+ |
/* copy to current object */ |
| 309 |
+ |
cp2 = curobj; |
| 310 |
+ |
if (!isalpha(*id)) { /* start with letter */ |
| 311 |
+ |
diff = *cp2 != 'O'; |
| 312 |
+ |
*cp2++ = 'O'; |
| 313 |
+ |
} |
| 314 |
+ |
for (cp = id; cp < end; *cp2++ = *cp++) { |
| 315 |
+ |
if ((*cp < '!') | (*cp > '~')) /* limit to visible chars */ |
| 316 |
+ |
*cp = '?'; |
| 317 |
+ |
diff += *cp != *cp2; |
| 318 |
+ |
} |
| 319 |
+ |
if (!diff && !*cp2) |
| 320 |
+ |
return; |
| 321 |
+ |
*cp2 = '\0'; |
| 322 |
+ |
fputs("o\no ", stdout); |
| 323 |
+ |
puts(curobj); |
| 324 |
+ |
} |
| 325 |
+ |
|
| 326 |
+ |
|
| 327 |
+ |
void |
| 328 |
+ |
init(void) /* initialize dispatch table and output */ |
| 329 |
+ |
{ |
| 330 |
+ |
lu_init(&vertab, NVERTS); |
| 331 |
|
lu_init(&rdispatch, 22); |
| 332 |
|
add2dispatch("polygon", o_face); |
| 333 |
|
add2dispatch("cone", o_cone); |
| 338 |
|
add2dispatch("tube", o_cylinder); |
| 339 |
|
add2dispatch("ring", o_ring); |
| 340 |
|
add2dispatch("instance", o_instance); |
| 341 |
+ |
add2dispatch("mesh", o_instance); |
| 342 |
|
add2dispatch("plastic", o_plastic); |
| 343 |
|
add2dispatch("plastic2", o_plastic); |
| 344 |
|
add2dispatch("metal", o_metal); |
| 345 |
|
add2dispatch("metal2", o_metal); |
| 346 |
|
add2dispatch("glass", o_glass); |
| 347 |
+ |
add2dispatch("dielectric", o_dielectric); |
| 348 |
|
add2dispatch("trans", o_trans); |
| 349 |
|
add2dispatch("trans2", o_trans); |
| 350 |
|
add2dispatch("mirror", o_mirror); |
| 352 |
|
add2dispatch("spotlight", o_light); |
| 353 |
|
add2dispatch("glow", o_light); |
| 354 |
|
add2dispatch("illum", o_illum); |
| 355 |
< |
puts("# The following was converted from Radiance scene input"); |
| 356 |
< |
if (unit_mult < .999 || unit_mult > 1.001) |
| 355 |
> |
puts("# The following was converted from RADIANCE scene input"); |
| 356 |
> |
if (hasmult) |
| 357 |
|
printf("xf -s %.4e\n", unit_mult); |
| 358 |
+ |
printf("o %s\n", curobj); |
| 359 |
|
} |
| 360 |
|
|
| 361 |
|
|
| 362 |
< |
uninit() /* mark end of MGF file */ |
| 362 |
> |
void |
| 363 |
> |
uninit(void) /* mark end of MGF file */ |
| 364 |
|
{ |
| 365 |
< |
if (unit_mult < .999 || unit_mult > 1.001) |
| 365 |
> |
puts("o"); |
| 366 |
> |
if (hasmult) |
| 367 |
|
puts("xf"); |
| 368 |
< |
puts("# End of data converted from Radiance scene input"); |
| 368 |
> |
puts("# End of data converted from RADIANCE scene input"); |
| 369 |
|
lu_done(&rdispatch); |
| 370 |
|
lu_done(&rmats); |
| 371 |
+ |
lu_done(&vertab); |
| 372 |
|
} |
| 373 |
|
|
| 374 |
|
|
| 375 |
< |
add2dispatch(name, func) /* add function to dispatch table */ |
| 376 |
< |
char *name; |
| 259 |
< |
int (*func)(); |
| 375 |
> |
void |
| 376 |
> |
clrverts(void) /* clear vertex table */ |
| 377 |
|
{ |
| 378 |
+ |
register int i; |
| 379 |
+ |
|
| 380 |
+ |
lu_done(&vertab); |
| 381 |
+ |
for (i = 0; i < NVERTS; i++) |
| 382 |
+ |
vert[i].lused = 0; |
| 383 |
+ |
lu_init(&vertab, NVERTS); |
| 384 |
+ |
} |
| 385 |
+ |
|
| 386 |
+ |
|
| 387 |
+ |
void |
| 388 |
+ |
add2dispatch( /* add function to dispatch table */ |
| 389 |
+ |
char *name, |
| 390 |
+ |
int (*func)() |
| 391 |
+ |
) |
| 392 |
+ |
{ |
| 393 |
|
register LUENT *lp; |
| 394 |
|
|
| 395 |
|
lp = lu_find(&rdispatch, name); |
| 403 |
|
} |
| 404 |
|
|
| 405 |
|
|
| 274 |
– |
char VKFMT[] = "%+1.9e %+1.9e %+1.9e"; |
| 275 |
– |
#define VKLEN 64 |
| 276 |
– |
|
| 277 |
– |
#define mkvkey(k,v) sprintf(k, VKFMT, (v)[0], (v)[1], (v)[2]) |
| 278 |
– |
|
| 279 |
– |
#define NVERTS 256 |
| 280 |
– |
|
| 281 |
– |
long clock; /* incremented at each vertex request */ |
| 282 |
– |
|
| 283 |
– |
struct vert { |
| 284 |
– |
long lused; /* when last used (0 if unassigned) */ |
| 285 |
– |
FVECT p; /* track point position only */ |
| 286 |
– |
} vert[NVERTS]; |
| 287 |
– |
|
| 288 |
– |
LUTAB vertab = LU_SINIT(free,NULL); /* our vertex lookup table */ |
| 289 |
– |
|
| 290 |
– |
|
| 406 |
|
char * |
| 407 |
< |
getvertid(vp) /* get/set vertex ID for this point */ |
| 408 |
< |
FVECT vp; |
| 407 |
> |
getvertid( /* get/set vertex ID for this point */ |
| 408 |
> |
char *vname, |
| 409 |
> |
FVECT vp |
| 410 |
> |
) |
| 411 |
|
{ |
| 412 |
< |
static char vname[6]; |
| 296 |
< |
char vkey[VKLEN]; |
| 412 |
> |
static char vkey[VKLEN]; |
| 413 |
|
register LUENT *lp; |
| 414 |
|
register int i, vndx; |
| 415 |
|
|
| 416 |
< |
if (!vertab.tsiz && !lu_init(&vertab, NVERTS)) |
| 301 |
< |
goto memerr; |
| 302 |
< |
clock++; /* increment counter */ |
| 416 |
> |
vclock++; /* increment counter */ |
| 417 |
|
mkvkey(vkey, vp); |
| 418 |
|
if ((lp = lu_find(&vertab, vkey)) == NULL) |
| 419 |
|
goto memerr; |
| 433 |
|
mkvkey(vkey, vert[vndx].p); |
| 434 |
|
lu_delete(&vertab, vkey); |
| 435 |
|
} |
| 436 |
< |
vert[vndx].lused = clock; /* assign it */ |
| 437 |
< |
VCOPY(vert[vndx].p, vp); |
| 324 |
< |
printf("v v%d =\np %.15g %.15g %.15g\n", /* print it */ |
| 436 |
> |
VCOPY(vert[vndx].p, vp); /* assign it */ |
| 437 |
> |
printf("v v%d =\n\tp %.15g %.15g %.15g\n", /* print it */ |
| 438 |
|
vndx, vp[0], vp[1], vp[2]); |
| 439 |
|
lp->data = (char *)&vert[vndx]; /* set it */ |
| 440 |
|
} else |
| 441 |
|
vndx = (struct vert *)lp->data - vert; |
| 442 |
+ |
vert[vndx].lused = vclock; /* record this use */ |
| 443 |
|
sprintf(vname, "v%d", vndx); |
| 444 |
|
return(vname); |
| 445 |
|
memerr: |
| 449 |
|
|
| 450 |
|
|
| 451 |
|
int |
| 452 |
< |
o_face(mod, typ, id, fa) /* print out a polygon */ |
| 453 |
< |
char *mod, *typ, *id; |
| 454 |
< |
FUNARGS *fa; |
| 452 |
> |
o_unsupported( /* mark unsupported primitive */ |
| 453 |
> |
char *mod, |
| 454 |
> |
char *typ, |
| 455 |
> |
char *id, |
| 456 |
> |
FUNARGS *fa |
| 457 |
> |
) |
| 458 |
|
{ |
| 342 |
– |
char entbuf[512]; |
| 343 |
– |
register char *cp1, *cp2; |
| 459 |
|
register int i; |
| 460 |
|
|
| 461 |
< |
if (fa->nfargs < 9 | fa->nfargs % 3) |
| 461 |
> |
fputs("\n# Unsupported RADIANCE primitive:\n", stdout); |
| 462 |
> |
printf("# %s %s %s", mod, typ, id); |
| 463 |
> |
printf("\n# %d", fa->nsargs); |
| 464 |
> |
for (i = 0; i < fa->nsargs; i++) |
| 465 |
> |
printf(" %s", fa->sarg[i]); |
| 466 |
> |
#ifdef IARGS |
| 467 |
> |
printf("\n# %d", fa->niargs); |
| 468 |
> |
for (i = 0; i < fa->niargs; i++) |
| 469 |
> |
printf(" %ld", fa->iarg[i]); |
| 470 |
> |
#else |
| 471 |
> |
fputs("\n# 0", stdout); |
| 472 |
> |
#endif |
| 473 |
> |
printf("\n# %d", fa->nfargs); |
| 474 |
> |
for (i = 0; i < fa->nfargs; i++) |
| 475 |
> |
printf(" %g", fa->farg[i]); |
| 476 |
> |
fputs("\n\n", stdout); |
| 477 |
> |
return(0); |
| 478 |
> |
} |
| 479 |
> |
|
| 480 |
> |
|
| 481 |
> |
int |
| 482 |
> |
o_face( /* print out a polygon */ |
| 483 |
> |
char *mod, |
| 484 |
> |
char *typ, |
| 485 |
> |
char *id, |
| 486 |
> |
FUNARGS *fa |
| 487 |
> |
) |
| 488 |
> |
{ |
| 489 |
> |
char entbuf[2048], *linestart; |
| 490 |
> |
register char *cp; |
| 491 |
> |
register int i; |
| 492 |
> |
|
| 493 |
> |
if ((fa->nfargs < 9) | (fa->nfargs % 3)) |
| 494 |
|
return(-1); |
| 495 |
|
setmat(mod); |
| 496 |
< |
printf("o %s\n", id); |
| 497 |
< |
cp1 = entbuf; |
| 498 |
< |
*cp1++ = 'f'; |
| 496 |
> |
setobj(id); |
| 497 |
> |
cp = linestart = entbuf; |
| 498 |
> |
*cp++ = 'f'; |
| 499 |
|
for (i = 0; i < fa->nfargs; i += 3) { |
| 500 |
< |
cp2 = getvertid(fa->farg + i); |
| 501 |
< |
*cp1++ = ' '; |
| 502 |
< |
while ((*cp1 = *cp2++)) |
| 503 |
< |
cp1++; |
| 500 |
> |
*cp++ = ' '; |
| 501 |
> |
if (cp - linestart > 72) { |
| 502 |
> |
*cp++ = '\\'; *cp++ = '\n'; |
| 503 |
> |
linestart = cp; |
| 504 |
> |
*cp++ = ' '; *cp++ = ' '; |
| 505 |
> |
} |
| 506 |
> |
getvertid(cp, fa->farg + i); |
| 507 |
> |
while (*cp) |
| 508 |
> |
cp++; |
| 509 |
|
} |
| 510 |
|
puts(entbuf); |
| 359 |
– |
puts("o"); |
| 511 |
|
return(0); |
| 512 |
|
} |
| 513 |
|
|
| 514 |
|
|
| 515 |
|
int |
| 516 |
< |
o_cone(mod, typ, id, fa) /* print out a cone */ |
| 517 |
< |
char *mod, *typ, *id; |
| 518 |
< |
register FUNARGS *fa; |
| 516 |
> |
o_cone( /* print out a cone */ |
| 517 |
> |
char *mod, |
| 518 |
> |
char *typ, |
| 519 |
> |
char *id, |
| 520 |
> |
register FUNARGS *fa |
| 521 |
> |
) |
| 522 |
|
{ |
| 523 |
+ |
char v1[6], v2[6]; |
| 524 |
+ |
|
| 525 |
|
if (fa->nfargs != 8) |
| 526 |
|
return(-1); |
| 527 |
|
setmat(mod); |
| 528 |
< |
printf("o %s\n", id); |
| 529 |
< |
printf("v cv1 =\np %.12g %.12g %.12g\n", |
| 530 |
< |
fa->farg[0], fa->farg[1], fa->farg[2]); |
| 375 |
< |
printf("v cv2 =\np %.12g %.12g %.12g\n", |
| 376 |
< |
fa->farg[3], fa->farg[4], fa->farg[5]); |
| 528 |
> |
setobj(id); |
| 529 |
> |
getvertid(v1, fa->farg); |
| 530 |
> |
getvertid(v2, fa->farg + 3); |
| 531 |
|
if (typ[1] == 'u') /* cup -> inverted cone */ |
| 532 |
< |
printf("cone cv1 %.12g cv2 %.12g\n", |
| 533 |
< |
-fa->farg[6], -fa->farg[7]); |
| 532 |
> |
printf("cone %s %.12g %s %.12g\n", |
| 533 |
> |
v1, -fa->farg[6], v2, -fa->farg[7]); |
| 534 |
|
else |
| 535 |
< |
printf("cone cv1 %.12g cv2 %.12g\n", |
| 536 |
< |
fa->farg[6], fa->farg[7]); |
| 383 |
< |
puts("o"); |
| 535 |
> |
printf("cone %s %.12g %s %.12g\n", |
| 536 |
> |
v1, fa->farg[6], v2, fa->farg[7]); |
| 537 |
|
return(0); |
| 538 |
|
} |
| 539 |
|
|
| 540 |
|
|
| 541 |
|
int |
| 542 |
< |
o_sphere(mod, typ, id, fa) /* print out a sphere */ |
| 543 |
< |
char *mod, *typ, *id; |
| 544 |
< |
register FUNARGS *fa; |
| 542 |
> |
o_sphere( /* print out a sphere */ |
| 543 |
> |
char *mod, |
| 544 |
> |
char *typ, |
| 545 |
> |
char *id, |
| 546 |
> |
register FUNARGS *fa |
| 547 |
> |
) |
| 548 |
|
{ |
| 549 |
+ |
char cent[6]; |
| 550 |
+ |
|
| 551 |
|
if (fa->nfargs != 4) |
| 552 |
|
return(-1); |
| 553 |
|
setmat(mod); |
| 554 |
< |
printf("o %s\n", id); |
| 555 |
< |
printf("v cent =\np %.12g %.12g %.12g\n", |
| 556 |
< |
fa->farg[0], fa->farg[1], fa->farg[2]); |
| 399 |
< |
printf("sph cent %.12g\n", typ[0]=='b' ? -fa->farg[3] : fa->farg[3]); |
| 400 |
< |
puts("o"); |
| 554 |
> |
setobj(id); |
| 555 |
> |
printf("sph %s %.12g\n", getvertid(cent, fa->farg), |
| 556 |
> |
typ[0]=='b' ? -fa->farg[3] : fa->farg[3]); |
| 557 |
|
return(0); |
| 558 |
|
} |
| 559 |
|
|
| 560 |
|
|
| 561 |
|
int |
| 562 |
< |
o_cylinder(mod, typ, id, fa) /* print out a cylinder */ |
| 563 |
< |
char *mod, *typ, *id; |
| 564 |
< |
register FUNARGS *fa; |
| 562 |
> |
o_cylinder( /* print out a cylinder */ |
| 563 |
> |
char *mod, |
| 564 |
> |
char *typ, |
| 565 |
> |
char *id, |
| 566 |
> |
register FUNARGS *fa |
| 567 |
> |
) |
| 568 |
|
{ |
| 569 |
+ |
char v1[6], v2[6]; |
| 570 |
+ |
|
| 571 |
|
if (fa->nfargs != 7) |
| 572 |
|
return(-1); |
| 573 |
|
setmat(mod); |
| 574 |
< |
printf("o %s\n", id); |
| 575 |
< |
printf("v cv1 =\np %.12g %.12g %.12g\n", |
| 576 |
< |
fa->farg[0], fa->farg[1], fa->farg[2]); |
| 577 |
< |
printf("v cv2 =\np %.12g %.12g %.12g\n", |
| 578 |
< |
fa->farg[3], fa->farg[4], fa->farg[5]); |
| 418 |
< |
printf("cyl cv1 %.12g cv2\n", |
| 419 |
< |
typ[0]=='t' ? -fa->farg[6] : fa->farg[6]); |
| 420 |
< |
puts("o"); |
| 574 |
> |
setobj(id); |
| 575 |
> |
getvertid(v1, fa->farg); |
| 576 |
> |
getvertid(v2, fa->farg + 3); |
| 577 |
> |
printf("cyl %s %.12g %s\n", v1, |
| 578 |
> |
typ[0]=='t' ? -fa->farg[6] : fa->farg[6], v2); |
| 579 |
|
return(0); |
| 580 |
|
} |
| 581 |
|
|
| 582 |
|
|
| 583 |
|
int |
| 584 |
< |
o_ring(mod, typ, id, fa) /* print out a ring */ |
| 585 |
< |
char *mod, *typ, *id; |
| 586 |
< |
register FUNARGS *fa; |
| 584 |
> |
o_ring( /* print out a ring */ |
| 585 |
> |
char *mod, |
| 586 |
> |
char *typ, |
| 587 |
> |
char *id, |
| 588 |
> |
register FUNARGS *fa |
| 589 |
> |
) |
| 590 |
|
{ |
| 591 |
|
if (fa->nfargs != 8) |
| 592 |
|
return(-1); |
| 593 |
|
setmat(mod); |
| 594 |
< |
printf("o %s\n", id); |
| 595 |
< |
printf("v cent =\np %.12g %.12g %.12g\n", |
| 594 |
> |
setobj(id); |
| 595 |
> |
printf("v cent =\n\tp %.12g %.12g %.12g\n", |
| 596 |
|
fa->farg[0], fa->farg[1], fa->farg[2]); |
| 597 |
< |
printf("n %.12g %.12g %.12g\n", |
| 597 |
> |
printf("\tn %.12g %.12g %.12g\n", |
| 598 |
|
fa->farg[3], fa->farg[4], fa->farg[5]); |
| 599 |
|
if (fa->farg[6] < fa->farg[7]) |
| 600 |
|
printf("ring cent %.12g %.12g\n", |
| 602 |
|
else |
| 603 |
|
printf("ring cent %.12g %.12g\n", |
| 604 |
|
fa->farg[7], fa->farg[6]); |
| 444 |
– |
puts("o"); |
| 605 |
|
return(0); |
| 606 |
|
} |
| 607 |
|
|
| 608 |
|
|
| 609 |
|
int |
| 610 |
< |
o_instance(mod, typ, id, fa) /* convert an instance */ |
| 611 |
< |
char *mod, *typ, *id; |
| 612 |
< |
FUNARGS *fa; |
| 610 |
> |
o_instance( /* convert an instance (or mesh) */ |
| 611 |
> |
char *mod, |
| 612 |
> |
char *typ, |
| 613 |
> |
char *id, |
| 614 |
> |
FUNARGS *fa |
| 615 |
> |
) |
| 616 |
|
{ |
| 617 |
< |
return(0); /* this is too damned difficult! */ |
| 617 |
> |
register int i; |
| 618 |
> |
register char *cp; |
| 619 |
> |
char *start = NULL, *end = NULL; |
| 620 |
> |
/* |
| 621 |
> |
* We don't really know how to do this, so we just create |
| 622 |
> |
* a reference to an undefined MGF file and it's the user's |
| 623 |
> |
* responsibility to create this file and put the appropriate |
| 624 |
> |
* stuff into it. |
| 625 |
> |
*/ |
| 626 |
> |
if (fa->nsargs < 1) |
| 627 |
> |
return(-1); |
| 628 |
> |
setmat(mod); /* only works if surfaces are void */ |
| 629 |
> |
setobj(id); |
| 630 |
> |
for (cp = fa->sarg[0]; *cp; cp++) /* construct MGF file name */ |
| 631 |
> |
if (*cp == '/') |
| 632 |
> |
start = cp+1; |
| 633 |
> |
else if (*cp == '.') |
| 634 |
> |
end = cp; |
| 635 |
> |
if (start == NULL) |
| 636 |
> |
start = fa->sarg[0]; |
| 637 |
> |
if (end == NULL || start >= end) |
| 638 |
> |
end = cp; |
| 639 |
> |
fputs("i ", stdout); /* print include entity */ |
| 640 |
> |
for (cp = start; cp < end; cp++) |
| 641 |
> |
putchar(*cp); |
| 642 |
> |
fputs(".mgf", stdout); /* add MGF suffix */ |
| 643 |
> |
for (i = 1; i < fa->nsargs; i++) { /* add transform */ |
| 644 |
> |
putchar(' '); |
| 645 |
> |
fputs(fa->sarg[i], stdout); |
| 646 |
> |
} |
| 647 |
> |
putchar('\n'); |
| 648 |
> |
clrverts(); /* vertex id's no longer reliable */ |
| 649 |
> |
return(0); |
| 650 |
|
} |
| 651 |
|
|
| 652 |
|
|
| 653 |
|
int |
| 654 |
< |
o_source(mod, typ, id, fa) /* convert a source */ |
| 655 |
< |
char *mod, *typ, *id; |
| 656 |
< |
FUNARGS *fa; |
| 654 |
> |
o_illum( /* convert an illum material */ |
| 655 |
> |
char *mod, |
| 656 |
> |
char *typ, |
| 657 |
> |
char *id, |
| 658 |
> |
FUNARGS *fa |
| 659 |
> |
) |
| 660 |
|
{ |
| 463 |
– |
return(0); /* there is no MGF equivalent! */ |
| 464 |
– |
} |
| 465 |
– |
|
| 466 |
– |
|
| 467 |
– |
int |
| 468 |
– |
o_illum(mod, typ, id, fa) /* convert an illum material */ |
| 469 |
– |
char *mod, *typ, *id; |
| 470 |
– |
FUNARGS *fa; |
| 471 |
– |
{ |
| 661 |
|
if (fa->nsargs == 1 && strcmp(fa->sarg[0], VOIDID)) { |
| 662 |
|
newmat(id, fa->sarg[0]); /* just create alias */ |
| 663 |
|
return(0); |
| 664 |
|
} |
| 665 |
|
/* else create invisible material */ |
| 666 |
|
newmat(id, NULL); |
| 667 |
< |
puts("ts 1 0"); |
| 667 |
> |
puts("\tts 1 0"); |
| 668 |
|
return(0); |
| 669 |
|
} |
| 670 |
|
|
| 671 |
|
|
| 672 |
|
int |
| 673 |
< |
o_plastic(mod, typ, id, fa) /* convert a plastic material */ |
| 674 |
< |
char *mod, *typ, *id; |
| 675 |
< |
register FUNARGS *fa; |
| 673 |
> |
o_plastic( /* convert a plastic material */ |
| 674 |
> |
char *mod, |
| 675 |
> |
char *typ, |
| 676 |
> |
char *id, |
| 677 |
> |
register FUNARGS *fa |
| 678 |
> |
) |
| 679 |
|
{ |
| 680 |
|
COLOR cxyz, rrgb; |
| 681 |
|
double d; |
| 685 |
|
newmat(id, NULL); |
| 686 |
|
rrgb[0] = fa->farg[0]; rrgb[1] = fa->farg[1]; rrgb[2] = fa->farg[2]; |
| 687 |
|
rgb_cie(cxyz, rrgb); |
| 688 |
< |
puts("c"); /* put diffuse component */ |
| 688 |
> |
puts("\tc"); /* put diffuse component */ |
| 689 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 690 |
|
if (d > FTINY) |
| 691 |
< |
printf("cxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
| 692 |
< |
printf("rd %.4f\n", cxyz[1]*(1. - fa->farg[3])); |
| 693 |
< |
puts("c"); /* put specular component */ |
| 694 |
< |
printf("rs %.4f %.4f\n", fa->farg[3], |
| 695 |
< |
typ[7]=='2' ? .5*(fa->farg[4] + fa->farg[5]) : |
| 696 |
< |
fa->farg[4]); |
| 691 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 692 |
> |
printf("\trd %.6f\n", cxyz[1]*(1. - fa->farg[3])); |
| 693 |
> |
if (fa->farg[3] > FTINY) { /* put specular component */ |
| 694 |
> |
puts("\tc"); |
| 695 |
> |
printf("\trs %.6f %.6f\n", fa->farg[3], |
| 696 |
> |
typ[7]=='2' ? .5*(fa->farg[4] + fa->farg[5]) : |
| 697 |
> |
fa->farg[4]); |
| 698 |
> |
} |
| 699 |
|
return(0); |
| 700 |
|
} |
| 701 |
|
|
| 702 |
|
|
| 703 |
|
int |
| 704 |
< |
o_metal(mod, typ, id, fa) /* convert a metal material */ |
| 705 |
< |
char *mod, *typ, *id; |
| 706 |
< |
register FUNARGS *fa; |
| 704 |
> |
o_metal( /* convert a metal material */ |
| 705 |
> |
char *mod, |
| 706 |
> |
char *typ, |
| 707 |
> |
char *id, |
| 708 |
> |
register FUNARGS *fa |
| 709 |
> |
) |
| 710 |
|
{ |
| 711 |
|
COLOR cxyz, rrgb; |
| 712 |
|
double d; |
| 716 |
|
newmat(id, NULL); |
| 717 |
|
rrgb[0] = fa->farg[0]; rrgb[1] = fa->farg[1]; rrgb[2] = fa->farg[2]; |
| 718 |
|
rgb_cie(cxyz, rrgb); |
| 719 |
< |
puts("c"); /* put diffuse component */ |
| 719 |
> |
puts("\tc"); /* put diffuse component */ |
| 720 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 721 |
|
if (d > FTINY) |
| 722 |
< |
printf("cxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
| 723 |
< |
printf("rd %.4f\n", cxyz[1]*(1. - fa->farg[3])); |
| 722 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 723 |
> |
printf("\trd %.6f\n", cxyz[1]*(1. - fa->farg[3])); |
| 724 |
|
/* put specular component */ |
| 725 |
< |
printf("rs %.4f %.4f\n", cxyz[1]*fa->farg[3], |
| 725 |
> |
printf("\trs %.6f %.6f\n", cxyz[1]*fa->farg[3], |
| 726 |
|
typ[5]=='2' ? .5*(fa->farg[4] + fa->farg[5]) : |
| 727 |
|
fa->farg[4]); |
| 728 |
|
return(0); |
| 730 |
|
|
| 731 |
|
|
| 732 |
|
int |
| 733 |
< |
o_glass(mod, typ, id, fa) /* convert a glass material */ |
| 734 |
< |
char *mod, *typ, *id; |
| 735 |
< |
register FUNARGS *fa; |
| 733 |
> |
o_glass( /* convert a glass material */ |
| 734 |
> |
char *mod, |
| 735 |
> |
char *typ, |
| 736 |
> |
char *id, |
| 737 |
> |
register FUNARGS *fa |
| 738 |
> |
) |
| 739 |
|
{ |
| 740 |
|
COLOR cxyz, rrgb, trgb; |
| 741 |
|
double nrfr = 1.52, F, d; |
| 746 |
|
newmat(id, NULL); |
| 747 |
|
if (fa->nfargs == 4) |
| 748 |
|
nrfr = fa->farg[3]; |
| 749 |
+ |
printf("\tir %f 0\n", nrfr); |
| 750 |
|
F = (1. - nrfr)/(1. + nrfr); /* use normal incidence */ |
| 751 |
|
F *= F; |
| 752 |
|
for (i = 0; i < 3; i++) { |
| 753 |
< |
rrgb[i] = (1. - F)*(1. - F)/(1. - F*F*fa->farg[i]*fa->farg[i]); |
| 553 |
< |
trgb[i] = F * (1. + (1. - 2.*F)*fa->farg[i]) / |
| 753 |
> |
trgb[i] = fa->farg[i] * (1. - F)*(1. - F) / |
| 754 |
|
(1. - F*F*fa->farg[i]*fa->farg[i]); |
| 755 |
+ |
rrgb[i] = F * (1. + (1. - 2.*F)*fa->farg[i]) / |
| 756 |
+ |
(1. - F*F*fa->farg[i]*fa->farg[i]); |
| 757 |
|
} |
| 758 |
|
rgb_cie(cxyz, rrgb); /* put reflected component */ |
| 759 |
< |
puts("c"); |
| 759 |
> |
puts("\tc"); |
| 760 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 761 |
|
if (d > FTINY) |
| 762 |
< |
printf("cxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
| 763 |
< |
printf("rs %.4f 0\n", cxyz[1]); |
| 762 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 763 |
> |
printf("\trs %.6f 0\n", cxyz[1]); |
| 764 |
|
rgb_cie(cxyz, trgb); /* put transmitted component */ |
| 765 |
< |
puts("c"); |
| 765 |
> |
puts("\tc"); |
| 766 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 767 |
|
if (d > FTINY) |
| 768 |
< |
printf("cxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
| 769 |
< |
printf("ts %.4f 0\n", cxyz[1]); |
| 768 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 769 |
> |
printf("\tts %.6f 0\n", cxyz[1]); |
| 770 |
|
return(0); |
| 771 |
|
} |
| 772 |
|
|
| 773 |
|
|
| 774 |
|
int |
| 775 |
< |
o_mirror(mod, typ, id, fa) /* convert a mirror material */ |
| 776 |
< |
char *mod, *typ, *id; |
| 777 |
< |
register FUNARGS *fa; |
| 775 |
> |
o_dielectric( /* convert a dielectric material */ |
| 776 |
> |
char *mod, |
| 777 |
> |
char *typ, |
| 778 |
> |
char *id, |
| 779 |
> |
register FUNARGS *fa |
| 780 |
> |
) |
| 781 |
|
{ |
| 782 |
+ |
COLOR cxyz, trgb; |
| 783 |
+ |
double F, d; |
| 784 |
+ |
register int i; |
| 785 |
+ |
|
| 786 |
+ |
if (fa->nfargs != 5) |
| 787 |
+ |
return(-1); |
| 788 |
+ |
newmat(id, NULL); |
| 789 |
+ |
F = (1. - fa->farg[3])/(1. + fa->farg[3]); /* normal incidence */ |
| 790 |
+ |
F *= F; |
| 791 |
+ |
for (i = 0; i < 3; i++) |
| 792 |
+ |
trgb[i] = (1. - F)*pow(fa->farg[i], C_1SIDEDTHICK/unit_mult); |
| 793 |
+ |
printf("\tir %f 0\n", fa->farg[3]); /* put index of refraction */ |
| 794 |
+ |
printf("\tsides 1\n"); |
| 795 |
+ |
puts("\tc"); /* put reflected component */ |
| 796 |
+ |
printf("\trs %.6f 0\n", F); |
| 797 |
+ |
rgb_cie(cxyz, trgb); /* put transmitted component */ |
| 798 |
+ |
puts("\tc"); |
| 799 |
+ |
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 800 |
+ |
if (d > FTINY) |
| 801 |
+ |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 802 |
+ |
printf("\tts %.6f 0\n", cxyz[1]); |
| 803 |
+ |
return(0); |
| 804 |
+ |
} |
| 805 |
+ |
|
| 806 |
+ |
|
| 807 |
+ |
int |
| 808 |
+ |
o_mirror( /* convert a mirror material */ |
| 809 |
+ |
char *mod, |
| 810 |
+ |
char *typ, |
| 811 |
+ |
char *id, |
| 812 |
+ |
register FUNARGS *fa |
| 813 |
+ |
) |
| 814 |
+ |
{ |
| 815 |
|
COLOR cxyz, rrgb; |
| 816 |
|
double d; |
| 817 |
|
|
| 824 |
|
newmat(id, NULL); |
| 825 |
|
rrgb[0] = fa->farg[0]; rrgb[1] = fa->farg[1]; rrgb[2] = fa->farg[2]; |
| 826 |
|
rgb_cie(cxyz, rrgb); |
| 827 |
< |
puts("c"); /* put specular component */ |
| 827 |
> |
puts("\tc"); /* put specular component */ |
| 828 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 829 |
|
if (d > FTINY) |
| 830 |
< |
printf("cxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
| 831 |
< |
printf("rs %.4f 0\n", cxyz[1]); |
| 830 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 831 |
> |
printf("\trs %.6f 0\n", cxyz[1]); |
| 832 |
|
return(0); |
| 833 |
|
} |
| 834 |
|
|
| 835 |
|
|
| 836 |
|
int |
| 837 |
< |
o_trans(mod, typ, id, fa) /* convert a trans material */ |
| 838 |
< |
char *mod, *typ, *id; |
| 839 |
< |
register FUNARGS *fa; |
| 837 |
> |
o_trans( /* convert a trans material */ |
| 838 |
> |
char *mod, |
| 839 |
> |
char *typ, |
| 840 |
> |
char *id, |
| 841 |
> |
register FUNARGS *fa |
| 842 |
> |
) |
| 843 |
|
{ |
| 844 |
|
COLOR cxyz, rrgb; |
| 845 |
|
double rough, trans, tspec, d; |
| 846 |
|
|
| 847 |
< |
if (typ[4] == '2') { /* trans2 */ |
| 847 |
> |
if (typ[5] == '2') { /* trans2 */ |
| 848 |
|
if (fa->nfargs != 8) |
| 849 |
|
return(-1); |
| 850 |
|
rough = .5*(fa->farg[4] + fa->farg[5]); |
| 860 |
|
newmat(id, NULL); |
| 861 |
|
rrgb[0] = fa->farg[0]; rrgb[1] = fa->farg[1]; rrgb[2] = fa->farg[2]; |
| 862 |
|
rgb_cie(cxyz, rrgb); |
| 863 |
< |
puts("c"); /* put transmitted diffuse */ |
| 863 |
> |
puts("\tc"); /* put transmitted diffuse */ |
| 864 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 865 |
|
if (d > FTINY) |
| 866 |
< |
printf("cxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
| 867 |
< |
printf("td %.4f\n", cxyz[1]*trans*(1. - fa->farg[3])*(1. - tspec)); |
| 866 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 867 |
> |
printf("\ttd %.6f\n", cxyz[1]*trans*(1. - fa->farg[3])*(1. - tspec)); |
| 868 |
|
/* put transmitted specular */ |
| 869 |
< |
printf("ts %.4f %.4f\n", cxyz[1]*trans*tspec*(1. - fa->farg[3]), rough); |
| 869 |
> |
printf("\tts %.6f %.6f\n", cxyz[1]*trans*tspec*(1. - fa->farg[3]), rough); |
| 870 |
|
/* put reflected diffuse */ |
| 871 |
< |
printf("rd %.4f\n", cxyz[1]*(1. - fa->farg[3])*(1. - trans)); |
| 872 |
< |
puts("c"); /* put reflected specular */ |
| 873 |
< |
printf("rs %.4f %.4f\n", fa->farg[3], rough); |
| 871 |
> |
printf("\trd %.6f\n", cxyz[1]*(1. - fa->farg[3])*(1. - trans)); |
| 872 |
> |
puts("\tc"); /* put reflected specular */ |
| 873 |
> |
printf("\trs %.6f %.6f\n", fa->farg[3], rough); |
| 874 |
|
return(0); |
| 875 |
|
} |
| 876 |
|
|
| 877 |
|
|
| 878 |
|
int |
| 879 |
< |
o_light(mod, typ, id, fa) /* convert a light type */ |
| 880 |
< |
char *mod, *typ, *id; |
| 881 |
< |
register FUNARGS *fa; |
| 879 |
> |
o_light( /* convert a light type */ |
| 880 |
> |
char *mod, |
| 881 |
> |
char *typ, |
| 882 |
> |
char *id, |
| 883 |
> |
register FUNARGS *fa |
| 884 |
> |
) |
| 885 |
|
{ |
| 886 |
|
COLOR cxyz, rrgb; |
| 887 |
|
double d; |
| 892 |
|
rrgb[0] = fa->farg[0]; rrgb[1] = fa->farg[1]; rrgb[2] = fa->farg[2]; |
| 893 |
|
rgb_cie(cxyz, rrgb); |
| 894 |
|
d = cxyz[0] + cxyz[1] + cxyz[2]; |
| 895 |
< |
puts("c"); |
| 895 |
> |
puts("\tc"); |
| 896 |
|
if (d > FTINY) |
| 897 |
< |
printf("cxy %.4f %.4f\n", cxyz[0]/d, cxyz[1]/d); |
| 898 |
< |
printf("ed %.4g\n", cxyz[1]); |
| 897 |
> |
printf("\t\tcxy %.6f %.6f\n", cxyz[0]/d, cxyz[1]/d); |
| 898 |
> |
printf("\ted %.4g\n", cxyz[1]*(PI*WHTEFFICACY)); |
| 899 |
|
return(0); |
| 900 |
|
} |
