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; |