5 |
|
* Mesh support routines |
6 |
|
*/ |
7 |
|
|
8 |
+ |
#include <string.h> |
9 |
+ |
|
10 |
|
#include "standard.h" |
11 |
|
#include "octree.h" |
12 |
|
#include "object.h" |
13 |
+ |
#include "otypes.h" |
14 |
|
#include "mesh.h" |
12 |
– |
#include "lookup.h" |
15 |
|
|
16 |
|
/* An encoded mesh vertex */ |
17 |
|
typedef struct { |
18 |
|
int fl; |
19 |
< |
uint4 xyz[3]; |
20 |
< |
int4 norm; |
21 |
< |
int4 uv[2]; |
19 |
> |
uint32 xyz[3]; |
20 |
> |
int32 norm; |
21 |
> |
uint32 uv[2]; |
22 |
|
} MCVERT; |
23 |
|
|
24 |
|
#define MPATCHBLKSIZ 128 /* patch allocation block size */ |
70 |
|
|
71 |
|
|
72 |
|
MESH * |
73 |
< |
getmesh(mname, flags) /* get mesh data */ |
73 |
> |
getmesh(mname, flags) /* get new mesh data reference */ |
74 |
|
char *mname; |
75 |
|
int flags; |
76 |
|
{ |
80 |
|
flags &= IO_LEGAL; |
81 |
|
for (ms = mlist; ms != NULL; ms = ms->next) |
82 |
|
if (!strcmp(mname, ms->name)) { |
83 |
< |
if ((ms->ldflags & flags) == flags) { |
84 |
< |
ms->nref++; |
83 |
< |
return(ms); /* loaded */ |
84 |
< |
} |
85 |
< |
break; /* load the rest */ |
83 |
> |
ms->nref++; /* increase reference count */ |
84 |
> |
break; |
85 |
|
} |
86 |
< |
if (ms == NULL) { |
86 |
> |
if (ms == NULL) { /* load first time */ |
87 |
|
ms = (MESH *)calloc(1, sizeof(MESH)); |
88 |
|
if (ms == NULL) |
89 |
|
error(SYSTEM, "out of memory in getmesh"); |
93 |
|
ms->next = mlist; |
94 |
|
mlist = ms; |
95 |
|
} |
96 |
< |
if ((pathname = getpath(mname, getlibpath(), R_OK)) == NULL) { |
96 |
> |
if ((pathname = getpath(mname, getrlibpath(), R_OK)) == NULL) { |
97 |
|
sprintf(errmsg, "cannot find mesh file \"%s\"", mname); |
98 |
|
error(USER, errmsg); |
99 |
|
} |
127 |
|
ins->msh = NULL; |
128 |
|
o->os = (char *)ins; |
129 |
|
} |
130 |
< |
if (ins->msh == NULL || (ins->msh->ldflags & flags) != flags) |
130 |
> |
if (ins->msh == NULL) |
131 |
|
ins->msh = getmesh(o->oargs.sarg[0], flags); |
132 |
+ |
else if ((flags &= ~ins->msh->ldflags)) |
133 |
+ |
readmesh(ins->msh, |
134 |
+ |
getpath(o->oargs.sarg[0], getrlibpath(), R_OK), |
135 |
+ |
flags); |
136 |
|
return(ins); |
137 |
|
} |
138 |
|
|
139 |
|
|
140 |
|
int |
141 |
< |
getmeshtrivid(tvid, mp, ti) /* get triangle vertex ID's */ |
142 |
< |
int4 tvid[3]; |
143 |
< |
register MESH *mp; |
144 |
< |
OBJECT ti; |
141 |
> |
getmeshtrivid(tvid, mo, mp, ti) /* get triangle vertex ID's */ |
142 |
> |
int32 tvid[3]; |
143 |
> |
OBJECT *mo; |
144 |
> |
MESH *mp; |
145 |
> |
OBJECT ti; |
146 |
|
{ |
147 |
|
int pn = ti >> 10; |
148 |
+ |
MESHPATCH *pp; |
149 |
|
|
150 |
|
if (pn >= mp->npatches) |
151 |
|
return(0); |
152 |
+ |
pp = &mp->patch[pn]; |
153 |
|
ti &= 0x3ff; |
154 |
|
if (!(ti & 0x200)) { /* local triangle */ |
155 |
|
struct PTri *tp; |
156 |
< |
if (ti >= mp->patch[pn].ntris) |
156 |
> |
if (ti >= pp->ntris) |
157 |
|
return(0); |
158 |
< |
tp = &mp->patch[pn].tri[ti]; |
158 |
> |
tp = &pp->tri[ti]; |
159 |
|
tvid[0] = tvid[1] = tvid[2] = pn << 8; |
160 |
|
tvid[0] |= tp->v1; |
161 |
|
tvid[1] |= tp->v2; |
162 |
|
tvid[2] |= tp->v3; |
163 |
+ |
if (pp->trimat != NULL) |
164 |
+ |
*mo = pp->trimat[ti]; |
165 |
+ |
else |
166 |
+ |
*mo = pp->solemat; |
167 |
+ |
if (*mo != OVOID) |
168 |
+ |
*mo += mp->mat0; |
169 |
|
return(1); |
170 |
|
} |
171 |
|
ti &= ~0x200; |
172 |
|
if (!(ti & 0x100)) { /* single link vertex */ |
173 |
|
struct PJoin1 *tp1; |
174 |
< |
if (ti >= mp->patch[pn].nj1tris) |
174 |
> |
if (ti >= pp->nj1tris) |
175 |
|
return(0); |
176 |
< |
tp1 = &mp->patch[pn].j1tri[ti]; |
176 |
> |
tp1 = &pp->j1tri[ti]; |
177 |
|
tvid[0] = tp1->v1j; |
178 |
|
tvid[1] = tvid[2] = pn << 8; |
179 |
|
tvid[1] |= tp1->v2; |
180 |
|
tvid[2] |= tp1->v3; |
181 |
+ |
if ((*mo = tp1->mat) != OVOID) |
182 |
+ |
*mo += mp->mat0; |
183 |
|
return(1); |
184 |
|
} |
185 |
|
ti &= ~0x100; |
186 |
|
{ /* double link vertex */ |
187 |
|
struct PJoin2 *tp2; |
188 |
< |
if (ti >= mp->patch[pn].nj2tris) |
188 |
> |
if (ti >= pp->nj2tris) |
189 |
|
return(0); |
190 |
< |
tp2 = &mp->patch[pn].j2tri[ti]; |
190 |
> |
tp2 = &pp->j2tri[ti]; |
191 |
|
tvid[0] = tp2->v1j; |
192 |
|
tvid[1] = tp2->v2j; |
193 |
|
tvid[2] = pn << 8 | tp2->v3; |
194 |
+ |
if ((*mo = tp2->mat) != OVOID) |
195 |
+ |
*mo += mp->mat0; |
196 |
|
} |
197 |
|
return(1); |
198 |
|
} |
201 |
|
int |
202 |
|
getmeshvert(vp, mp, vid, what) /* get triangle vertex from ID */ |
203 |
|
MESHVERT *vp; |
204 |
< |
register MESH *mp; |
205 |
< |
int4 vid; |
204 |
> |
MESH *mp; |
205 |
> |
int32 vid; |
206 |
|
int what; |
207 |
|
{ |
208 |
|
int pn = vid >> 8; |
233 |
|
/* get (u,v) */ |
234 |
|
if (what & MT_UV && pp->uv != NULL && pp->uv[vid][0]) { |
235 |
|
for (i = 0; i < 2; i++) |
236 |
< |
vp->uv[i] = mp->uvlim[i][0] + |
237 |
< |
(mp->uvlim[i][1] - mp->uvlim[i][0])* |
236 |
> |
vp->uv[i] = mp->uvlim[0][i] + |
237 |
> |
(mp->uvlim[1][i] - mp->uvlim[0][i])* |
238 |
|
(pp->uv[vid][i] + .5)*(1./4294967296.); |
239 |
|
vp->fl |= MT_UV; |
240 |
|
} |
242 |
|
} |
243 |
|
|
244 |
|
|
245 |
+ |
OBJREC * |
246 |
+ |
getmeshpseudo(mp, mo) /* get mesh pseudo object for material */ |
247 |
+ |
MESH *mp; |
248 |
+ |
OBJECT mo; |
249 |
+ |
{ |
250 |
+ |
if (mo < mp->mat0 || mo >= mp->mat0 + mp->nmats) |
251 |
+ |
error(INTERNAL, "modifier out of range in getmeshpseudo"); |
252 |
+ |
if (mp->pseudo == NULL) { |
253 |
+ |
register int i; |
254 |
+ |
mp->pseudo = (OBJREC *)calloc(mp->nmats, sizeof(OBJREC)); |
255 |
+ |
if (mp->pseudo == NULL) |
256 |
+ |
error(SYSTEM, "out of memory in getmeshpseudo"); |
257 |
+ |
for (i = mp->nmats; i--; ) { |
258 |
+ |
mp->pseudo[i].omod = mp->mat0 + i; |
259 |
+ |
mp->pseudo[i].otype = OBJ_FACE; |
260 |
+ |
mp->pseudo[i].oname = "M-Tri"; |
261 |
+ |
} |
262 |
+ |
} |
263 |
+ |
return(&mp->pseudo[mo - mp->mat0]); |
264 |
+ |
} |
265 |
+ |
|
266 |
+ |
|
267 |
|
int |
268 |
< |
getmeshtri(tv, mp, ti, what) /* get triangle vertices */ |
268 |
> |
getmeshtri(tv, mo, mp, ti, wha) /* get triangle vertices */ |
269 |
|
MESHVERT tv[3]; |
270 |
+ |
OBJECT *mo; |
271 |
|
MESH *mp; |
272 |
|
OBJECT ti; |
273 |
< |
int what; |
273 |
> |
int wha; |
274 |
|
{ |
275 |
< |
int4 tvid[3]; |
275 |
> |
int32 tvid[3]; |
276 |
|
|
277 |
< |
if (!getmeshtrivid(tvid, mp, ti)) |
277 |
> |
if (!getmeshtrivid(tvid, mo, mp, ti)) |
278 |
|
return(0); |
279 |
|
|
280 |
< |
getmeshvert(&tv[0], mp, tvid[0], what); |
281 |
< |
getmeshvert(&tv[1], mp, tvid[1], what); |
282 |
< |
getmeshvert(&tv[2], mp, tvid[2], what); |
280 |
> |
getmeshvert(&tv[0], mp, tvid[0], wha); |
281 |
> |
getmeshvert(&tv[1], mp, tvid[1], wha); |
282 |
> |
getmeshvert(&tv[2], mp, tvid[2], wha); |
283 |
|
|
284 |
|
return(tv[0].fl & tv[1].fl & tv[2].fl); |
285 |
|
} |
286 |
|
|
287 |
|
|
288 |
< |
int4 |
288 |
> |
int32 |
289 |
|
addmeshvert(mp, vp) /* find/add a mesh vertex */ |
290 |
|
register MESH *mp; |
291 |
|
MESHVERT *vp; |
292 |
|
{ |
254 |
– |
LUTAB *ltp; |
293 |
|
LUENT *lvp; |
294 |
|
MCVERT cv; |
295 |
|
register int i; |
302 |
|
return(-1); |
303 |
|
if (vp->v[i] >= mp->mcube.cuorg[i] + mp->mcube.cusize) |
304 |
|
return(-1); |
305 |
< |
cv.xyz[i] = (uint4)(4294967296. * |
305 |
> |
cv.xyz[i] = (uint32)(4294967296. * |
306 |
|
(vp->v[i] - mp->mcube.cuorg[i]) / |
307 |
|
mp->mcube.cusize); |
308 |
|
} |
310 |
|
cv.norm = encodedir(vp->n); |
311 |
|
if (vp->fl & MT_UV) |
312 |
|
for (i = 0; i < 2; i++) { |
313 |
< |
if (vp->uv[i] <= mp->uvlim[i][0]) |
313 |
> |
if (vp->uv[i] <= mp->uvlim[0][i]) |
314 |
|
return(-1); |
315 |
< |
if (vp->uv[i] >= mp->uvlim[i][1]) |
315 |
> |
if (vp->uv[i] >= mp->uvlim[1][i]) |
316 |
|
return(-1); |
317 |
< |
cv.uv[i] = (uint4)(4294967296. * |
318 |
< |
(vp->uv[i] - mp->uvlim[i][0]) / |
319 |
< |
(mp->uvlim[i][1] - mp->uvlim[i][0])); |
317 |
> |
cv.uv[i] = (uint32)(4294967296. * |
318 |
> |
(vp->uv[i] - mp->uvlim[0][i]) / |
319 |
> |
(mp->uvlim[1][i] - mp->uvlim[0][i])); |
320 |
|
} |
321 |
|
cv.fl = vp->fl; |
322 |
< |
ltp = (LUTAB *)mp->cdata; /* get lookup table */ |
323 |
< |
if (ltp == NULL) { |
324 |
< |
ltp = (LUTAB *)calloc(1, sizeof(LUTAB)); |
325 |
< |
if (ltp == NULL) |
322 |
> |
if (mp->lut.tsiz == 0) { |
323 |
> |
mp->lut.hashf = cvhash; |
324 |
> |
mp->lut.keycmp = cvcmp; |
325 |
> |
mp->lut.freek = free; |
326 |
> |
if (!lu_init(&mp->lut, 50000)) |
327 |
|
goto nomem; |
289 |
– |
ltp->hashf = cvhash; |
290 |
– |
ltp->keycmp = cvcmp; |
291 |
– |
ltp->freek = free; |
292 |
– |
if (!lu_init(ltp, 50000)) |
293 |
– |
goto nomem; |
294 |
– |
mp->cdata = (char *)ltp; |
328 |
|
} |
329 |
|
/* find entry */ |
330 |
< |
lvp = lu_find(ltp, (char *)&cv); |
330 |
> |
lvp = lu_find(&mp->lut, (char *)&cv); |
331 |
|
if (lvp == NULL) |
332 |
|
goto nomem; |
333 |
|
if (lvp->key == NULL) { |
334 |
< |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int4)); |
335 |
< |
bcopy((void *)&cv, (void *)lvp->key, sizeof(MCVERT)); |
334 |
> |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int32)); |
335 |
> |
memcpy((void *)lvp->key, (void *)&cv, sizeof(MCVERT)); |
336 |
|
} |
337 |
|
if (lvp->data == NULL) { /* new vertex */ |
338 |
|
register MESHPATCH *pp; |
348 |
|
(void *)mp->patch, |
349 |
|
(mp->npatches + MPATCHBLKSIZ)* |
350 |
|
sizeof(MESHPATCH)); |
351 |
< |
bzero((void *)(mp->patch + mp->npatches), |
351 |
> |
memset((void *)(mp->patch + mp->npatches), '\0', |
352 |
|
MPATCHBLKSIZ*sizeof(MESHPATCH)); |
353 |
|
} |
354 |
< |
if (mp->npatches++ >= 1<<20) |
354 |
> |
if (mp->npatches++ >= 1L<<22) |
355 |
|
error(INTERNAL, "too many mesh patches"); |
356 |
|
} |
357 |
|
pp = &mp->patch[mp->npatches-1]; |
358 |
|
if (pp->xyz == NULL) { |
359 |
< |
pp->xyz = (uint4 (*)[3])calloc(256, 3*sizeof(int4)); |
359 |
> |
pp->xyz = (uint32 (*)[3])calloc(256, 3*sizeof(int32)); |
360 |
|
if (pp->xyz == NULL) |
361 |
|
goto nomem; |
362 |
|
} |
364 |
|
pp->xyz[pp->nverts][i] = cv.xyz[i]; |
365 |
|
if (cv.fl & MT_N) { |
366 |
|
if (pp->norm == NULL) { |
367 |
< |
pp->norm = (int4 *)calloc(256, sizeof(int4)); |
367 |
> |
pp->norm = (int32 *)calloc(256, sizeof(int32)); |
368 |
|
if (pp->norm == NULL) |
369 |
|
goto nomem; |
370 |
|
} |
372 |
|
} |
373 |
|
if (cv.fl & MT_UV) { |
374 |
|
if (pp->uv == NULL) { |
375 |
< |
pp->uv = (uint4 (*)[2])calloc(256, |
376 |
< |
2*sizeof(uint4)); |
375 |
> |
pp->uv = (uint32 (*)[2])calloc(256, |
376 |
> |
2*sizeof(uint32)); |
377 |
|
if (pp->uv == NULL) |
378 |
|
goto nomem; |
379 |
|
} |
382 |
|
} |
383 |
|
pp->nverts++; |
384 |
|
lvp->data = lvp->key + sizeof(MCVERT); |
385 |
< |
*(int4 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
385 |
> |
*(int32 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
386 |
|
} |
387 |
< |
return(*(int4 *)lvp->data); |
387 |
> |
return(*(int32 *)lvp->data); |
388 |
|
nomem: |
389 |
|
error(SYSTEM, "out of memory in addmeshvert"); |
390 |
|
return(-1); |
392 |
|
|
393 |
|
|
394 |
|
OBJECT |
395 |
< |
addmeshtri(mp, tv) /* add a new mesh triangle */ |
395 |
> |
addmeshtri(mp, tv, mo) /* add a new mesh triangle */ |
396 |
|
MESH *mp; |
397 |
|
MESHVERT tv[3]; |
398 |
+ |
OBJECT mo; |
399 |
|
{ |
400 |
< |
int4 vid[3], t; |
400 |
> |
int32 vid[3], t; |
401 |
|
int pn[3], i; |
402 |
|
register MESHPATCH *pp; |
403 |
|
|
409 |
|
return(OVOID); |
410 |
|
pn[i] = vid[i] >> 8; |
411 |
|
} |
412 |
+ |
/* normalize material index */ |
413 |
+ |
if (mo != OVOID) { |
414 |
+ |
if ((mo -= mp->mat0) >= mp->nmats) |
415 |
+ |
mp->nmats = mo+1; |
416 |
+ |
else if (mo < 0) |
417 |
+ |
error(INTERNAL, "modifier range error in addmeshtri"); |
418 |
+ |
} |
419 |
|
/* assign triangle */ |
420 |
|
if (pn[0] == pn[1] && pn[1] == pn[2]) { /* local case */ |
421 |
|
pp = &mp->patch[pn[0]]; |
425 |
|
if (pp->tri == NULL) |
426 |
|
goto nomem; |
427 |
|
} |
428 |
< |
if (pp->ntris >= 512) |
429 |
< |
goto toomany; |
430 |
< |
pp->tri[pp->ntris].v1 = vid[0] & 0xff; |
431 |
< |
pp->tri[pp->ntris].v2 = vid[1] & 0xff; |
432 |
< |
pp->tri[pp->ntris].v3 = vid[2] & 0xff; |
433 |
< |
|
434 |
< |
return(pn[0] << 10 | pp->ntris++); |
428 |
> |
if (pp->ntris < 512) { |
429 |
> |
pp->tri[pp->ntris].v1 = vid[0] & 0xff; |
430 |
> |
pp->tri[pp->ntris].v2 = vid[1] & 0xff; |
431 |
> |
pp->tri[pp->ntris].v3 = vid[2] & 0xff; |
432 |
> |
if (pp->ntris == 0) |
433 |
> |
pp->solemat = mo; |
434 |
> |
else if (pp->trimat == NULL && mo != pp->solemat) { |
435 |
> |
pp->trimat = (int16 *)malloc( |
436 |
> |
512*sizeof(int16)); |
437 |
> |
if (pp->trimat == NULL) |
438 |
> |
goto nomem; |
439 |
> |
for (i = pp->ntris; i--; ) |
440 |
> |
pp->trimat[i] = pp->solemat; |
441 |
> |
} |
442 |
> |
if (pp->trimat != NULL) |
443 |
> |
pp->trimat[pp->ntris] = mo; |
444 |
> |
return(pn[0] << 10 | pp->ntris++); |
445 |
> |
} |
446 |
|
} |
447 |
|
if (pn[0] == pn[1]) { |
448 |
< |
t = vid[2]; vid[2] = vid[0]; vid[0] = t; |
449 |
< |
i = pn[2]; pn[2] = pn[0]; pn[0] = i; |
448 |
> |
t = vid[2]; vid[2] = vid[1]; vid[1] = vid[0]; vid[0] = t; |
449 |
> |
i = pn[2]; pn[2] = pn[1]; pn[1] = pn[0]; pn[0] = i; |
450 |
|
} else if (pn[0] == pn[2]) { |
451 |
< |
t = vid[0]; vid[0] = vid[1]; vid[1] = t; |
452 |
< |
i = pn[0]; pn[0] = pn[1]; pn[1] = i; |
451 |
> |
t = vid[0]; vid[0] = vid[1]; vid[1] = vid[2]; vid[2] = t; |
452 |
> |
i = pn[0]; pn[0] = pn[1]; pn[1] = pn[2]; pn[2] = i; |
453 |
|
} |
454 |
|
if (pn[1] == pn[2]) { /* single link */ |
455 |
|
pp = &mp->patch[pn[1]]; |
459 |
|
if (pp->j1tri == NULL) |
460 |
|
goto nomem; |
461 |
|
} |
462 |
< |
if (pp->nj1tris >= 256) |
463 |
< |
goto toomany; |
464 |
< |
pp->j1tri[pp->nj1tris].v1j = pn[0] << 8 | (vid[0] & 0xff); |
465 |
< |
pp->j1tri[pp->nj1tris].v2 = vid[1] & 0xff; |
466 |
< |
pp->j1tri[pp->nj1tris].v3 = vid[2] & 0xff; |
467 |
< |
|
468 |
< |
return(pn[1] << 10 | 0x200 | pp->nj1tris++); |
462 |
> |
if (pp->nj1tris < 256) { |
463 |
> |
pp->j1tri[pp->nj1tris].v1j = vid[0]; |
464 |
> |
pp->j1tri[pp->nj1tris].v2 = vid[1] & 0xff; |
465 |
> |
pp->j1tri[pp->nj1tris].v3 = vid[2] & 0xff; |
466 |
> |
pp->j1tri[pp->nj1tris].mat = mo; |
467 |
> |
return(pn[1] << 10 | 0x200 | pp->nj1tris++); |
468 |
> |
} |
469 |
|
} |
470 |
|
/* double link */ |
471 |
|
pp = &mp->patch[pn[2]]; |
476 |
|
goto nomem; |
477 |
|
} |
478 |
|
if (pp->nj2tris >= 256) |
479 |
< |
goto toomany; |
480 |
< |
pp->j2tri[pp->nj2tris].v1j = pn[0] << 8 | (vid[0] & 0xff); |
481 |
< |
pp->j2tri[pp->nj2tris].v2j = pn[1] << 8 | (vid[1] & 0xff); |
479 |
> |
error(INTERNAL, "too many patch triangles in addmeshtri"); |
480 |
> |
pp->j2tri[pp->nj2tris].v1j = vid[0]; |
481 |
> |
pp->j2tri[pp->nj2tris].v2j = vid[1]; |
482 |
|
pp->j2tri[pp->nj2tris].v3 = vid[2] & 0xff; |
483 |
< |
|
483 |
> |
pp->j2tri[pp->nj2tris].mat = mo; |
484 |
|
return(pn[2] << 10 | 0x300 | pp->nj2tris++); |
485 |
|
nomem: |
486 |
|
error(SYSTEM, "out of memory in addmeshtri"); |
487 |
|
return(OVOID); |
436 |
– |
toomany: |
437 |
– |
error(CONSISTENCY, "too many patch triangles in addmeshtri"); |
438 |
– |
return(OVOID); |
488 |
|
} |
489 |
|
|
490 |
|
|
491 |
+ |
char * |
492 |
+ |
checkmesh(mp) /* validate mesh data */ |
493 |
+ |
register MESH *mp; |
494 |
+ |
{ |
495 |
+ |
static char embuf[128]; |
496 |
+ |
int nouvbounds = 1; |
497 |
+ |
register int i; |
498 |
+ |
/* basic checks */ |
499 |
+ |
if (mp == NULL) |
500 |
+ |
return("NULL mesh pointer"); |
501 |
+ |
if (!mp->ldflags) |
502 |
+ |
return("unassigned mesh"); |
503 |
+ |
if (mp->name == NULL) |
504 |
+ |
return("missing mesh name"); |
505 |
+ |
if (mp->nref <= 0) |
506 |
+ |
return("unreferenced mesh"); |
507 |
+ |
/* check boundaries */ |
508 |
+ |
if (mp->ldflags & IO_BOUNDS) { |
509 |
+ |
if (mp->mcube.cusize <= FTINY) |
510 |
+ |
return("illegal octree bounds in mesh"); |
511 |
+ |
nouvbounds = (mp->uvlim[1][0] - mp->uvlim[0][0] <= FTINY || |
512 |
+ |
mp->uvlim[1][1] - mp->uvlim[0][1] <= FTINY); |
513 |
+ |
} |
514 |
+ |
/* check octree */ |
515 |
+ |
if (mp->ldflags & IO_TREE) { |
516 |
+ |
if (isempty(mp->mcube.cutree)) |
517 |
+ |
error(WARNING, "empty mesh octree"); |
518 |
+ |
} |
519 |
+ |
/* check scene data */ |
520 |
+ |
if (mp->ldflags & IO_SCENE) { |
521 |
+ |
if (!(mp->ldflags & IO_BOUNDS)) |
522 |
+ |
return("unbounded scene in mesh"); |
523 |
+ |
if (mp->mat0 < 0 || mp->mat0+mp->nmats > nobjects) |
524 |
+ |
return("bad mesh modifier range"); |
525 |
+ |
for (i = mp->mat0+mp->nmats; i-- > mp->mat0; ) { |
526 |
+ |
int otyp = objptr(i)->otype; |
527 |
+ |
if (!ismodifier(otyp)) { |
528 |
+ |
sprintf(embuf, |
529 |
+ |
"non-modifier in mesh (%s \"%s\")", |
530 |
+ |
ofun[otyp].funame, objptr(i)->oname); |
531 |
+ |
return(embuf); |
532 |
+ |
} |
533 |
+ |
} |
534 |
+ |
if (mp->npatches <= 0) |
535 |
+ |
error(WARNING, "no patches in mesh"); |
536 |
+ |
for (i = 0; i < mp->npatches; i++) { |
537 |
+ |
register MESHPATCH *pp = &mp->patch[i]; |
538 |
+ |
if (pp->nverts <= 0) |
539 |
+ |
error(WARNING, "no vertices in patch"); |
540 |
+ |
else { |
541 |
+ |
if (pp->xyz == NULL) |
542 |
+ |
return("missing patch vertex list"); |
543 |
+ |
if (nouvbounds && pp->uv != NULL) |
544 |
+ |
return("unreferenced uv coordinates"); |
545 |
+ |
} |
546 |
+ |
if (pp->ntris + pp->nj1tris + pp->nj2tris <= 0) |
547 |
+ |
error(WARNING, "no triangles in patch"); |
548 |
+ |
if (pp->ntris > 0 && pp->tri == NULL) |
549 |
+ |
return("missing patch triangle list"); |
550 |
+ |
if (pp->nj1tris > 0 && pp->j1tri == NULL) |
551 |
+ |
return("missing patch joiner triangle list"); |
552 |
+ |
if (pp->nj2tris > 0 && pp->j2tri == NULL) |
553 |
+ |
return("missing patch double-joiner list"); |
554 |
+ |
} |
555 |
+ |
} |
556 |
+ |
return(NULL); /* seems OK */ |
557 |
+ |
} |
558 |
+ |
|
559 |
+ |
|
560 |
|
static void |
561 |
|
tallyoctree(ot, ecp, lcp, ocp) /* tally octree size */ |
562 |
|
OCTREE ot; |
612 |
|
t2cnt += pp->nj2tris; |
613 |
|
} |
614 |
|
fprintf(fp, "Mesh statistics:\n"); |
615 |
+ |
fprintf(fp, "\t%ld materials\n", ms->nmats); |
616 |
|
fprintf(fp, "\t%d patches (%.2f MBytes)\n", ms->npatches, |
617 |
|
(ms->npatches*sizeof(MESHPATCH) + |
618 |
< |
vcnt*3*sizeof(uint4) + |
619 |
< |
nscnt*sizeof(int4) + |
620 |
< |
uvscnt*2*sizeof(uint4) + |
618 |
> |
vcnt*3*sizeof(uint32) + |
619 |
> |
nscnt*sizeof(int32) + |
620 |
> |
uvscnt*2*sizeof(uint32) + |
621 |
|
tcnt*sizeof(struct PTri) + |
622 |
|
t1cnt*sizeof(struct PJoin1) + |
623 |
|
t2cnt*sizeof(struct PJoin2))/(1024.*1024.)); |
636 |
|
|
637 |
|
void |
638 |
|
freemesh(ms) /* free mesh data */ |
639 |
< |
MESH *ms; |
639 |
> |
register MESH *ms; |
640 |
|
{ |
641 |
|
MESH mhead; |
642 |
|
MESH *msp; |
662 |
|
/* free mesh data */ |
663 |
|
freestr(ms->name); |
664 |
|
octfree(ms->mcube.cutree); |
665 |
< |
if (ms->cdata != NULL) |
547 |
< |
lu_done((LUTAB *)ms->cdata); |
665 |
> |
lu_done(&ms->lut); |
666 |
|
if (ms->npatches > 0) { |
667 |
|
register MESHPATCH *pp = ms->patch + ms->npatches; |
668 |
|
while (pp-- > ms->patch) { |
681 |
|
} |
682 |
|
free((void *)ms->patch); |
683 |
|
} |
684 |
+ |
if (ms->pseudo != NULL) |
685 |
+ |
free((void *)ms->pseudo); |
686 |
|
free((void *)ms); |
687 |
|
} |
688 |
|
|