| 35 |
|
{ |
| 36 |
|
int i, rv; |
| 37 |
|
/* initialize dispatch table */ |
| 38 |
< |
mg_ehand[MG_E_COMMENT] = r_comment; |
| 39 |
< |
mg_ehand[MG_E_COLOR] = c_hcolor; |
| 40 |
< |
mg_ehand[MG_E_CONE] = r_cone; |
| 41 |
< |
mg_ehand[MG_E_CMIX] = c_hcolor; |
| 42 |
< |
mg_ehand[MG_E_CSPEC] = c_hcolor; |
| 43 |
< |
mg_ehand[MG_E_CXY] = c_hcolor; |
| 44 |
< |
mg_ehand[MG_E_CCT] = c_hcolor; |
| 45 |
< |
mg_ehand[MG_E_CYL] = r_cyl; |
| 46 |
< |
mg_ehand[MG_E_ED] = c_hmaterial; |
| 47 |
< |
mg_ehand[MG_E_FACE] = r_face; |
| 48 |
< |
mg_ehand[MG_E_IES] = r_ies; |
| 49 |
< |
mg_ehand[MG_E_IR] = c_hmaterial; |
| 50 |
< |
mg_ehand[MG_E_MATERIAL] = c_hmaterial; |
| 51 |
< |
mg_ehand[MG_E_NORMAL] = c_hvertex; |
| 52 |
< |
mg_ehand[MG_E_OBJECT] = obj_handler; |
| 53 |
< |
mg_ehand[MG_E_POINT] = c_hvertex; |
| 54 |
< |
mg_ehand[MG_E_RD] = c_hmaterial; |
| 55 |
< |
mg_ehand[MG_E_RING] = r_ring; |
| 56 |
< |
mg_ehand[MG_E_RS] = c_hmaterial; |
| 57 |
< |
mg_ehand[MG_E_SIDES] = c_hmaterial; |
| 58 |
< |
mg_ehand[MG_E_SPH] = r_sph; |
| 59 |
< |
mg_ehand[MG_E_TD] = c_hmaterial; |
| 60 |
< |
mg_ehand[MG_E_TS] = c_hmaterial; |
| 61 |
< |
mg_ehand[MG_E_VERTEX] = c_hvertex; |
| 62 |
< |
mg_ehand[MG_E_XF] = xf_handler; |
| 38 |
> |
mg_ehand[MG_E_COMMENT] = r_comment; /* we pass comments */ |
| 39 |
> |
mg_ehand[MG_E_COLOR] = c_hcolor; /* they get color */ |
| 40 |
> |
mg_ehand[MG_E_CONE] = r_cone; /* we do cones */ |
| 41 |
> |
mg_ehand[MG_E_CMIX] = c_hcolor; /* they mix colors */ |
| 42 |
> |
mg_ehand[MG_E_CSPEC] = c_hcolor; /* they get spectra */ |
| 43 |
> |
mg_ehand[MG_E_CXY] = c_hcolor; /* they get chromaticities */ |
| 44 |
> |
mg_ehand[MG_E_CCT] = c_hcolor; /* they get color temp's */ |
| 45 |
> |
mg_ehand[MG_E_CYL] = r_cyl; /* we do cylinders */ |
| 46 |
> |
mg_ehand[MG_E_ED] = c_hmaterial; /* they get emission */ |
| 47 |
> |
mg_ehand[MG_E_FACE] = r_face; /* we do faces */ |
| 48 |
> |
mg_ehand[MG_E_IES] = r_ies; /* we do IES files */ |
| 49 |
> |
mg_ehand[MG_E_IR] = c_hmaterial; /* they get refractive index */ |
| 50 |
> |
mg_ehand[MG_E_MATERIAL] = c_hmaterial; /* they get materials */ |
| 51 |
> |
mg_ehand[MG_E_NORMAL] = c_hvertex; /* they get normals */ |
| 52 |
> |
mg_ehand[MG_E_OBJECT] = obj_handler; /* they track object names */ |
| 53 |
> |
mg_ehand[MG_E_POINT] = c_hvertex; /* they get points */ |
| 54 |
> |
mg_ehand[MG_E_RD] = c_hmaterial; /* they get diffuse refl. */ |
| 55 |
> |
mg_ehand[MG_E_RING] = r_ring; /* we do rings */ |
| 56 |
> |
mg_ehand[MG_E_RS] = c_hmaterial; /* they get specular refl. */ |
| 57 |
> |
mg_ehand[MG_E_SIDES] = c_hmaterial; /* they get # sides */ |
| 58 |
> |
mg_ehand[MG_E_SPH] = r_sph; /* we do spheres */ |
| 59 |
> |
mg_ehand[MG_E_TD] = c_hmaterial; /* they get diffuse trans. */ |
| 60 |
> |
mg_ehand[MG_E_TS] = c_hmaterial; /* they get specular trans. */ |
| 61 |
> |
mg_ehand[MG_E_VERTEX] = c_hvertex; /* they get vertices */ |
| 62 |
> |
mg_ehand[MG_E_XF] = xf_handler; /* they track transforms */ |
| 63 |
|
mg_init(); /* initialize the parser */ |
| 64 |
< |
/* get options & print header */ |
| 64 |
> |
/* get our options & print header */ |
| 65 |
|
printf("## %s", argv[0]); |
| 66 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
| 67 |
|
printf(" %s", argv[i]); |
| 115 |
|
register char **av; |
| 116 |
|
{ |
| 117 |
|
putchar('#'); /* use Radiance comment character */ |
| 118 |
< |
while (--ac) { |
| 118 |
> |
while (--ac) { /* pass through verbatim */ |
| 119 |
|
putchar(' '); |
| 120 |
|
fputs(*++av, stdout); |
| 121 |
|
} |
| 135 |
|
C_VERTEX *cv1, *cv2; |
| 136 |
|
FVECT p1, p2; |
| 137 |
|
int inv; |
| 138 |
< |
|
| 138 |
> |
/* check argument count and type */ |
| 139 |
|
if (ac != 5) |
| 140 |
|
return(MG_EARGC); |
| 141 |
|
if (!isflt(av[2]) || !isflt(av[4])) |
| 142 |
|
return(MG_ETYPE); |
| 143 |
+ |
/* get the endpoint vertices */ |
| 144 |
|
if ((cv1 = c_getvert(av[1])) == NULL || |
| 145 |
|
(cv2 = c_getvert(av[3])) == NULL) |
| 146 |
|
return(MG_EUNDEF); |
| 147 |
< |
xf_xfmpoint(p1, cv1->p); |
| 147 |
> |
xf_xfmpoint(p1, cv1->p); /* transform endpoints */ |
| 148 |
|
xf_xfmpoint(p2, cv2->p); |
| 149 |
< |
r1 = xf_scale(atof(av[2])); |
| 149 |
> |
r1 = xf_scale(atof(av[2])); /* scale radii */ |
| 150 |
|
r2 = xf_scale(atof(av[4])); |
| 151 |
< |
inv = r1 < 0.; |
| 152 |
< |
if (r1 == 0.) { |
| 151 |
> |
inv = r1 < 0.; /* check for inverted cone */ |
| 152 |
> |
if (r1 == 0.) { /* check for illegal radii */ |
| 153 |
|
if (r2 == 0.) |
| 154 |
|
return(MG_EILL); |
| 155 |
|
inv = r2 < 0.; |
| 159 |
|
r1 = -r1; |
| 160 |
|
r2 = -r2; |
| 161 |
|
} |
| 162 |
< |
if ((mat = material()) == NULL) |
| 162 |
> |
if ((mat = material()) == NULL) /* get material */ |
| 163 |
|
return(MG_EBADMAT); |
| 164 |
+ |
/* spit the sucker out */ |
| 165 |
|
printf("\n%s %s %sc%d\n", mat, inv ? "cup" : "cone", |
| 166 |
|
object(), ++ncones); |
| 167 |
|
printf("0\n0\n8\n"); |
| 183 |
|
C_VERTEX *cv1, *cv2; |
| 184 |
|
FVECT p1, p2; |
| 185 |
|
int inv; |
| 186 |
< |
|
| 186 |
> |
/* check argument count and type */ |
| 187 |
|
if (ac != 4) |
| 188 |
|
return(MG_EARGC); |
| 189 |
|
if (!isflt(av[2])) |
| 190 |
|
return(MG_ETYPE); |
| 191 |
+ |
/* get the endpoint vertices */ |
| 192 |
|
if ((cv1 = c_getvert(av[1])) == NULL || |
| 193 |
|
(cv2 = c_getvert(av[3])) == NULL) |
| 194 |
|
return(MG_EUNDEF); |
| 195 |
< |
xf_xfmpoint(p1, cv1->p); |
| 195 |
> |
xf_xfmpoint(p1, cv1->p); /* transform endpoints */ |
| 196 |
|
xf_xfmpoint(p2, cv2->p); |
| 197 |
< |
rad = xf_scale(atof(av[2])); |
| 198 |
< |
if ((inv = rad < 0.)) |
| 197 |
> |
rad = xf_scale(atof(av[2])); /* scale radius */ |
| 198 |
> |
if ((inv = rad < 0.)) /* check for inverted cylinder */ |
| 199 |
|
rad = -rad; |
| 200 |
< |
if ((mat = material()) == NULL) |
| 200 |
> |
if ((mat = material()) == NULL) /* get material */ |
| 201 |
|
return(MG_EBADMAT); |
| 202 |
+ |
/* spit out the primitive */ |
| 203 |
|
printf("\n%s %s %scy%d\n", mat, inv ? "tube" : "cylinder", |
| 204 |
|
object(), ++ncyls); |
| 205 |
|
printf("0\n0\n7\n"); |
| 221 |
|
C_VERTEX *cv; |
| 222 |
|
FVECT cent; |
| 223 |
|
int inv; |
| 224 |
< |
|
| 224 |
> |
/* check argument count and type */ |
| 225 |
|
if (ac != 3) |
| 226 |
|
return(MG_EARGC); |
| 227 |
|
if (!isflt(av[2])) |
| 228 |
|
return(MG_ETYPE); |
| 229 |
< |
if ((cv = c_getvert(av[1])) == NULL) |
| 229 |
> |
if ((cv = c_getvert(av[1])) == NULL) /* get center vertex */ |
| 230 |
|
return(MG_EUNDEF); |
| 231 |
< |
xf_xfmpoint(cent, cv->p); |
| 232 |
< |
rad = xf_scale(atof(av[2])); |
| 233 |
< |
if ((inv = rad < 0.)) |
| 231 |
> |
xf_xfmpoint(cent, cv->p); /* transform center */ |
| 232 |
> |
rad = xf_scale(atof(av[2])); /* scale radius */ |
| 233 |
> |
if ((inv = rad < 0.)) /* check for inversion */ |
| 234 |
|
rad = -rad; |
| 235 |
< |
if ((mat = material()) == NULL) |
| 235 |
> |
if ((mat = material()) == NULL) /* get material */ |
| 236 |
|
return(MG_EBADMAT); |
| 237 |
+ |
/* spit out primitive */ |
| 238 |
|
printf("\n%s %s %ss%d\n", mat, inv ? "bubble" : "sphere", |
| 239 |
|
object(), ++nsphs); |
| 240 |
|
printf("0\n0\n4 %18.12g %18.12g %18.12g %18.12g\n", |
| 253 |
|
double r1, r2; |
| 254 |
|
C_VERTEX *cv; |
| 255 |
|
FVECT cent, norm; |
| 256 |
< |
|
| 256 |
> |
/* check argument count and type */ |
| 257 |
|
if (ac != 4) |
| 258 |
|
return(MG_EARGC); |
| 259 |
|
if (!isflt(av[2]) || !isflt(av[3])) |
| 260 |
|
return(MG_ETYPE); |
| 261 |
< |
if ((cv = c_getvert(av[1])) == NULL) |
| 261 |
> |
if ((cv = c_getvert(av[1])) == NULL) /* get center vertex */ |
| 262 |
|
return(MG_EUNDEF); |
| 263 |
< |
if (is0vect(cv->n)) |
| 263 |
> |
if (is0vect(cv->n)) /* make sure we have normal */ |
| 264 |
|
return(MG_EILL); |
| 265 |
< |
xf_xfmpoint(cent, cv->p); |
| 266 |
< |
xf_rotvect(norm, cv->n); |
| 267 |
< |
r1 = xf_scale(atof(av[2])); |
| 265 |
> |
xf_xfmpoint(cent, cv->p); /* transform center */ |
| 266 |
> |
xf_rotvect(norm, cv->n); /* rotate normal */ |
| 267 |
> |
r1 = xf_scale(atof(av[2])); /* scale radii */ |
| 268 |
|
r2 = xf_scale(atof(av[3])); |
| 269 |
|
if (r1 < 0. | r2 <= r1) |
| 270 |
|
return(MG_EILL); |
| 271 |
< |
if ((mat = material()) == NULL) |
| 271 |
> |
if ((mat = material()) == NULL) /* get material */ |
| 272 |
|
return(MG_EBADMAT); |
| 273 |
+ |
/* spit out primitive */ |
| 274 |
|
printf("\n%s ring %sr%d\n", mat, object(), ++nrings); |
| 275 |
|
printf("0\n0\n8\n"); |
| 276 |
|
putv(cent); |
| 291 |
|
register C_VERTEX *cv; |
| 292 |
|
FVECT v; |
| 293 |
|
int rv; |
| 294 |
< |
|
| 294 |
> |
/* check argument count and type */ |
| 295 |
|
if (ac < 4) |
| 296 |
|
return(MG_EARGC); |
| 297 |
< |
if ((mat = material()) == NULL) |
| 297 |
> |
if ((mat = material()) == NULL) /* get material */ |
| 298 |
|
return(MG_EBADMAT); |
| 299 |
< |
if (ac <= 5) { /* check for surface normals */ |
| 299 |
> |
if (ac <= 5) { /* check for smoothing */ |
| 300 |
|
for (i = 1; i < ac; i++) { |
| 301 |
|
if ((cv = c_getvert(av[i])) == NULL) |
| 302 |
|
return(MG_EUNDEF); |
| 310 |
|
return(MG_OK); |
| 311 |
|
} |
| 312 |
|
} |
| 313 |
+ |
/* spit out unsmoothed primitive */ |
| 314 |
|
printf("\n%s polygon %sf%d\n", mat, object(), ++nfaces); |
| 315 |
|
printf("0\n0\n%d\n", 3*(ac-1)); |
| 316 |
< |
for (i = 1; i < ac; i++) { |
| 316 |
> |
for (i = 1; i < ac; i++) { /* get, transform, print each vertex */ |
| 317 |
|
if ((cv = c_getvert(av[invert ? ac-i : i])) == NULL) |
| 318 |
|
return(MG_EUNDEF); |
| 319 |
|
xf_xfmpoint(v, cv->p); |
| 334 |
|
char *oname; |
| 335 |
|
register char *op; |
| 336 |
|
register int i; |
| 337 |
< |
|
| 337 |
> |
/* check argument count */ |
| 338 |
|
if (ac < 2) |
| 339 |
|
return(MG_EARGC); |
| 340 |
< |
(void)strcpy(combuf, "ies2rad"); |
| 334 |
< |
op = combuf + 7; /* get -m option (must be first) */ |
| 335 |
< |
if (ac-xa0 >= 2 && !strcmp(av[xa0], "-m")) { |
| 336 |
< |
if (!isflt(av[xa0+1])) |
| 337 |
< |
return(MG_ETYPE); |
| 338 |
< |
op = addarg(addarg(op, "-m"), av[xa0+1]); |
| 339 |
< |
xa0 += 2; |
| 340 |
< |
} |
| 341 |
< |
*op++ = ' '; /* build IES filename */ |
| 342 |
< |
i = 0; |
| 343 |
< |
if (mg_file != NULL && |
| 344 |
< |
(oname = strrchr(mg_file->fname, '/')) != NULL) { |
| 345 |
< |
i = oname - mg_file->fname + 1; |
| 346 |
< |
(void)strcpy(op, mg_file->fname); |
| 347 |
< |
} |
| 348 |
< |
(void)strcpy(op+i, av[1]); |
| 349 |
< |
if (access(op, 0) == -1) |
| 350 |
< |
return(MG_ENOFILE); |
| 351 |
< |
system(combuf); /* run ies2rad */ |
| 352 |
< |
/* now let's find the output file */ |
| 340 |
> |
/* construct output file name */ |
| 341 |
|
if ((op = strrchr(av[1], '/')) == NULL) |
| 342 |
|
op = av[1]; |
| 343 |
|
(void)strcpy(fname, op); |
| 344 |
|
if ((op = strrchr(fname, '.')) == NULL) |
| 345 |
|
op = fname + strlen(fname); |
| 346 |
|
(void)strcpy(op, ".rad"); |
| 347 |
< |
if (access(fname, 0) == -1) |
| 348 |
< |
return(MG_EINCL); |
| 349 |
< |
/* put out xform command */ |
| 350 |
< |
printf("\n!xform"); |
| 347 |
> |
/* see if we need to run ies2rad */ |
| 348 |
> |
if (access(op, 0) == -1) { |
| 349 |
> |
(void)strcpy(combuf, "ies2rad");/* build ies2rad command */ |
| 350 |
> |
op = combuf + 7; /* get -m option (first) */ |
| 351 |
> |
if (ac-xa0 >= 2 && !strcmp(av[xa0], "-m")) { |
| 352 |
> |
if (!isflt(av[xa0+1])) |
| 353 |
> |
return(MG_ETYPE); |
| 354 |
> |
op = addarg(addarg(op, "-m"), av[xa0+1]); |
| 355 |
> |
xa0 += 2; |
| 356 |
> |
} |
| 357 |
> |
*op++ = ' '; /* build IES filename */ |
| 358 |
> |
i = 0; |
| 359 |
> |
if (mg_file != NULL && |
| 360 |
> |
(oname = strrchr(mg_file->fname,'/')) != NULL) { |
| 361 |
> |
i = oname - mg_file->fname + 1; |
| 362 |
> |
(void)strcpy(op, mg_file->fname); |
| 363 |
> |
} |
| 364 |
> |
(void)strcpy(op+i, av[1]); |
| 365 |
> |
if (access(op, 0) == -1) /* check for file existence */ |
| 366 |
> |
return(MG_ENOFILE); |
| 367 |
> |
system(combuf); /* run ies2rad */ |
| 368 |
> |
if (access(fname, 0) == -1) /* check success */ |
| 369 |
> |
return(MG_EINCL); |
| 370 |
> |
} |
| 371 |
> |
printf("\n!xform"); /* put out xform command */ |
| 372 |
|
oname = object(); |
| 373 |
|
if (*oname) { |
| 374 |
|
printf(" -n "); |
| 408 |
|
xf_xfmpoint(v1, cv1->p); |
| 409 |
|
xf_xfmpoint(v2, cv2->p); |
| 410 |
|
xf_xfmpoint(v3, cv3->p); |
| 411 |
+ |
/* compute barycentric coords. */ |
| 412 |
|
if (comp_baryc(&bvecs, v1, v2, v3) < 0) |
| 413 |
|
return; /* degenerate triangle! */ |
| 414 |
< |
printf("\n%s texfunc T-nor\n", mat); |
| 414 |
> |
printf("\n%s texfunc T-nor\n", mat); /* put out texture */ |
| 415 |
|
printf("4 dx dy dz %s\n0\n", TCALNAME); |
| 416 |
|
xf_rotvect(n1, cv1->n); |
| 417 |
|
xf_rotvect(n2, cv2->n); |
| 422 |
|
bcoor[i][2] = n3[i]; |
| 423 |
|
} |
| 424 |
|
put_baryc(&bvecs, bcoor, 3); |
| 425 |
+ |
/* put out triangle */ |
| 426 |
|
printf("\nT-nor polygon %st%d\n", object(), ++ntris); |
| 427 |
|
printf("0\n0\n9\n"); |
| 428 |
|
putv(v1); |
| 553 |
|
} |
| 554 |
|
|
| 555 |
|
|
| 556 |
< |
cvtcolor(radrgb, ciec, intensity) /* convert a CIE color to Radiance */ |
| 556 |
> |
cvtcolor(radrgb, ciec, intensity) /* convert a CIE XYZ color to RGB */ |
| 557 |
|
COLOR radrgb; |
| 558 |
|
register C_COLOR *ciec; |
| 559 |
|
double intensity; |
| 575 |
|
register int i; |
| 576 |
|
register char *cp; |
| 577 |
|
int len; |
| 578 |
< |
|
| 578 |
> |
/* tracked by obj_handler */ |
| 579 |
|
i = obj_nnames - sizeof(objbuf)/16; |
| 580 |
|
if (i < 0) |
| 581 |
|
i = 0; |
