26 |
|
|
27 |
|
/* the current contexts */ |
28 |
|
C_COLOR *c_ccolor = &c_uncolor; |
29 |
+ |
char *c_ccname = NULL; |
30 |
|
C_MATERIAL *c_cmaterial = &c_unmaterial; |
31 |
+ |
char *c_cmname = NULL; |
32 |
|
C_VERTEX *c_cvertex = &c_unvertex; |
33 |
+ |
char *c_cvname = NULL; |
34 |
|
|
35 |
|
static LUTAB clr_tab = LU_SINIT(free,free); /* color lookup table */ |
36 |
|
static LUTAB mat_tab = LU_SINIT(free,free); /* material lookup table */ |
52 |
|
{ |
53 |
|
double w, wsum; |
54 |
|
register int i; |
52 |
– |
char *nm; |
55 |
|
register LUENT *lp; |
56 |
|
|
57 |
|
switch (mg_entity(av[0])) { |
61 |
|
if (ac == 1) { /* set unnamed color context */ |
62 |
|
c_uncolor = c_dfcolor; |
63 |
|
c_ccolor = &c_uncolor; |
64 |
+ |
c_ccname = NULL; |
65 |
|
return(MG_OK); |
66 |
|
} |
67 |
|
lp = lu_find(&clr_tab, av[1]); /* lookup context */ |
68 |
|
if (lp == NULL) |
69 |
|
return(MG_EMEM); |
70 |
+ |
c_ccname = lp->key; |
71 |
|
c_ccolor = (C_COLOR *)lp->data; |
72 |
|
if (ac == 2) { /* reestablish previous context */ |
73 |
|
if (c_ccolor == NULL) |
84 |
|
lp->data = (char *)malloc(sizeof(C_COLOR)); |
85 |
|
if (lp->data == NULL) |
86 |
|
return(MG_EMEM); |
87 |
+ |
c_ccname = lp->key; |
88 |
|
c_ccolor = (C_COLOR *)lp->data; |
89 |
|
c_ccolor->clock = 0; |
90 |
|
} |
86 |
– |
nm = lp->key; |
91 |
|
i = c_ccolor->clock; |
92 |
|
if (ac == 3) { /* use default template */ |
93 |
|
*c_ccolor = c_dfcolor; |
90 |
– |
c_ccolor->name = nm; |
94 |
|
c_ccolor->clock = i + 1; |
95 |
|
return(MG_OK); |
96 |
|
} |
100 |
|
if (lp->data == NULL) |
101 |
|
return(MG_EUNDEF); |
102 |
|
*c_ccolor = *(C_COLOR *)lp->data; |
100 |
– |
c_ccolor->name = nm; |
103 |
|
c_ccolor->clock = i + 1; |
104 |
|
return(MG_OK); |
105 |
|
case MG_E_CXY: /* assign CIE XY value */ |
162 |
|
register char **av; |
163 |
|
{ |
164 |
|
int i; |
163 |
– |
char *nm; |
165 |
|
register LUENT *lp; |
166 |
|
|
167 |
|
switch (mg_entity(av[0])) { |
171 |
|
if (ac == 1) { /* set unnamed material context */ |
172 |
|
c_unmaterial = c_dfmaterial; |
173 |
|
c_cmaterial = &c_unmaterial; |
174 |
+ |
c_cmname = NULL; |
175 |
|
return(MG_OK); |
176 |
|
} |
177 |
|
lp = lu_find(&mat_tab, av[1]); /* lookup context */ |
178 |
|
if (lp == NULL) |
179 |
|
return(MG_EMEM); |
180 |
+ |
c_cmname = lp->key; |
181 |
|
c_cmaterial = (C_MATERIAL *)lp->data; |
182 |
|
if (ac == 2) { /* reestablish previous context */ |
183 |
|
if (c_cmaterial == NULL) |
194 |
|
lp->data = (char *)malloc(sizeof(C_MATERIAL)); |
195 |
|
if (lp->data == NULL) |
196 |
|
return(MG_EMEM); |
197 |
+ |
c_cmname = lp->key; |
198 |
|
c_cmaterial = (C_MATERIAL *)lp->data; |
199 |
|
c_cmaterial->clock = 0; |
200 |
|
} |
197 |
– |
nm = lp->key; |
201 |
|
i = c_cmaterial->clock; |
202 |
|
if (ac == 3) { /* use default template */ |
203 |
|
*c_cmaterial = c_dfmaterial; |
201 |
– |
c_cmaterial->name = nm; |
204 |
|
c_cmaterial->clock = i + 1; |
205 |
|
return(MG_OK); |
206 |
|
} |
210 |
|
if (lp->data == NULL) |
211 |
|
return(MG_EUNDEF); |
212 |
|
*c_cmaterial = *(C_MATERIAL *)lp->data; |
211 |
– |
c_cmaterial->name = nm; |
213 |
|
c_cmaterial->clock = i + 1; |
214 |
|
return(MG_OK); |
215 |
|
case MG_E_RD: /* set diffuse reflectance */ |
271 |
|
c_cmaterial->ts_c = *c_ccolor; |
272 |
|
c_cmaterial->clock++; |
273 |
|
return(MG_OK); |
274 |
+ |
case MG_E_SIDES: /* set number of sides */ |
275 |
+ |
if (ac != 2) |
276 |
+ |
return(MG_EARGC); |
277 |
+ |
if (!isint(av[1])) |
278 |
+ |
return(MG_ETYPE); |
279 |
+ |
i = atoi(av[1]); |
280 |
+ |
if (i == 1) |
281 |
+ |
c_cmaterial->sided = 1; |
282 |
+ |
else if (i == 2) |
283 |
+ |
c_cmaterial->sided = 0; |
284 |
+ |
else |
285 |
+ |
return(MG_EILL); |
286 |
+ |
c_cmaterial->clock++; |
287 |
+ |
return(MG_OK); |
288 |
|
} |
289 |
|
return(MG_EUNK); |
290 |
|
} |
296 |
|
register char **av; |
297 |
|
{ |
298 |
|
int i; |
284 |
– |
char *nm; |
299 |
|
register LUENT *lp; |
300 |
|
|
301 |
|
switch (mg_entity(av[0])) { |
305 |
|
if (ac == 1) { /* set unnamed vertex context */ |
306 |
|
c_unvertex = c_dfvertex; |
307 |
|
c_cvertex = &c_unvertex; |
308 |
+ |
c_cvname = NULL; |
309 |
|
return(MG_OK); |
310 |
|
} |
311 |
|
lp = lu_find(&vtx_tab, av[1]); /* lookup context */ |
312 |
|
if (lp == NULL) |
313 |
|
return(MG_EMEM); |
314 |
+ |
c_cvname = lp->key; |
315 |
|
c_cvertex = (C_VERTEX *)lp->data; |
316 |
|
if (ac == 2) { /* reestablish previous context */ |
317 |
|
if (c_cvertex == NULL) |
328 |
|
lp->data = (char *)malloc(sizeof(C_VERTEX)); |
329 |
|
if (lp->data == NULL) |
330 |
|
return(MG_EMEM); |
331 |
+ |
c_cvname = lp->key; |
332 |
|
c_cvertex = (C_VERTEX *)lp->data; |
333 |
|
} |
317 |
– |
nm = lp->key; |
334 |
|
i = c_cvertex->clock; |
335 |
|
if (ac == 3) { /* use default template */ |
336 |
|
*c_cvertex = c_dfvertex; |
321 |
– |
c_cvertex->name = nm; |
337 |
|
c_cvertex->clock = i + 1; |
338 |
|
return(MG_OK); |
339 |
|
} |
343 |
|
if (lp->data == NULL) |
344 |
|
return(MG_EUNDEF); |
345 |
|
*c_cvertex = *(C_VERTEX *)lp->data; |
331 |
– |
c_cvertex->name = nm; |
346 |
|
c_cvertex->clock = i + 1; |
347 |
|
return(MG_OK); |
348 |
|
case MG_E_POINT: /* set point */ |
376 |
|
{ |
377 |
|
c_uncolor = c_dfcolor; |
378 |
|
c_ccolor = &c_uncolor; |
379 |
+ |
c_ccname = NULL; |
380 |
|
lu_done(&clr_tab); |
381 |
|
c_unmaterial = c_dfmaterial; |
382 |
|
c_cmaterial = &c_unmaterial; |
383 |
+ |
c_cmname = NULL; |
384 |
|
lu_done(&mat_tab); |
385 |
|
c_unvertex = c_dfvertex; |
386 |
|
c_cvertex = &c_unvertex; |
387 |
+ |
c_cvname = NULL; |
388 |
|
lu_done(&vtx_tab); |
389 |
+ |
} |
390 |
+ |
|
391 |
+ |
|
392 |
+ |
C_MATERIAL * |
393 |
+ |
c_getmaterial(name) /* get a named material */ |
394 |
+ |
char *name; |
395 |
+ |
{ |
396 |
+ |
register LUENT *lp; |
397 |
+ |
|
398 |
+ |
if ((lp = lu_find(&mat_tab, name)) == NULL) |
399 |
+ |
return(NULL); |
400 |
+ |
return((C_MATERIAL *)lp->data); |
401 |
|
} |
402 |
|
|
403 |
|
|