5 |
|
* Mesh support routines |
6 |
|
*/ |
7 |
|
|
8 |
< |
#include "standard.h" |
8 |
> |
#include "rtio.h" |
9 |
> |
#include "rtmath.h" |
10 |
> |
#include "rterror.h" |
11 |
> |
#include "paths.h" |
12 |
|
#include "octree.h" |
13 |
|
#include "object.h" |
14 |
|
#include "otypes.h" |
17 |
|
/* An encoded mesh vertex */ |
18 |
|
typedef struct { |
19 |
|
int fl; |
20 |
< |
uint4 xyz[3]; |
21 |
< |
int4 norm; |
22 |
< |
uint4 uv[2]; |
20 |
> |
uint32 xyz[3]; |
21 |
> |
int32 norm; |
22 |
> |
uint32 uv[2]; |
23 |
|
} MCVERT; |
24 |
|
|
25 |
|
#define MPATCHBLKSIZ 128 /* patch allocation block size */ |
30 |
|
|
31 |
|
|
32 |
|
static unsigned long |
33 |
< |
cvhash(cvp) /* hash an encoded vertex */ |
31 |
< |
MCVERT *cvp; |
33 |
> |
cvhash(const char *p) /* hash an encoded vertex */ |
34 |
|
{ |
35 |
+ |
const MCVERT *cvp = (const MCVERT *)p; |
36 |
|
unsigned long hval; |
37 |
|
|
38 |
|
if (!(cvp->fl & MT_V)) |
47 |
|
|
48 |
|
|
49 |
|
static int |
50 |
< |
cvcmp(v1, v2) /* compare encoded vertices */ |
48 |
< |
register MCVERT *v1, *v2; |
50 |
> |
cvcmp(const char *vv1, const char *vv2) /* compare encoded vertices */ |
51 |
|
{ |
52 |
+ |
const MCVERT *v1 = (const MCVERT *)vv1, *v2 = (const MCVERT *)vv2; |
53 |
+ |
|
54 |
|
if (v1->fl != v2->fl) |
55 |
|
return(1); |
56 |
|
if (v1->xyz[0] != v2->xyz[0]) |
72 |
|
|
73 |
|
|
74 |
|
MESH * |
75 |
< |
getmesh(mname, flags) /* get mesh data */ |
76 |
< |
char *mname; |
77 |
< |
int flags; |
75 |
> |
getmesh( /* get new mesh data reference */ |
76 |
> |
char *mname, |
77 |
> |
int flags |
78 |
> |
) |
79 |
|
{ |
80 |
|
char *pathname; |
81 |
< |
register MESH *ms; |
81 |
> |
MESH *ms; |
82 |
|
|
83 |
|
flags &= IO_LEGAL; |
84 |
|
for (ms = mlist; ms != NULL; ms = ms->next) |
85 |
|
if (!strcmp(mname, ms->name)) { |
86 |
< |
if ((ms->ldflags & flags) == flags) { |
87 |
< |
ms->nref++; |
83 |
< |
return(ms); /* loaded */ |
84 |
< |
} |
85 |
< |
break; /* load the rest */ |
86 |
> |
ms->nref++; /* increase reference count */ |
87 |
> |
break; |
88 |
|
} |
89 |
< |
if (ms == NULL) { |
89 |
> |
if (ms == NULL) { /* new mesh entry? */ |
90 |
|
ms = (MESH *)calloc(1, sizeof(MESH)); |
91 |
|
if (ms == NULL) |
92 |
|
error(SYSTEM, "out of memory in getmesh"); |
96 |
|
ms->next = mlist; |
97 |
|
mlist = ms; |
98 |
|
} |
99 |
< |
if ((pathname = getpath(mname, getlibpath(), R_OK)) == NULL) { |
99 |
> |
if (!(flags &= ~ms->ldflags)) /* nothing to load? */ |
100 |
> |
return(ms); |
101 |
> |
if ((pathname = getpath(mname, getrlibpath(), R_OK)) == NULL) { |
102 |
|
sprintf(errmsg, "cannot find mesh file \"%s\"", mname); |
103 |
< |
error(USER, errmsg); |
103 |
> |
error(SYSTEM, errmsg); |
104 |
|
} |
105 |
< |
flags &= ~ms->ldflags; |
102 |
< |
if (flags) |
103 |
< |
readmesh(ms, pathname, flags); |
105 |
> |
readmesh(ms, pathname, flags); |
106 |
|
return(ms); |
107 |
|
} |
108 |
|
|
109 |
|
|
110 |
|
MESHINST * |
111 |
< |
getmeshinst(o, flags) /* create mesh instance */ |
112 |
< |
OBJREC *o; |
113 |
< |
int flags; |
111 |
> |
getmeshinst( /* create mesh instance */ |
112 |
> |
OBJREC *o, |
113 |
> |
int flags |
114 |
> |
) |
115 |
|
{ |
116 |
< |
register MESHINST *ins; |
116 |
> |
MESHINST *ins; |
117 |
|
|
118 |
|
flags &= IO_LEGAL; |
119 |
|
if ((ins = (MESHINST *)o->os) == NULL) { |
131 |
|
ins->msh = NULL; |
132 |
|
o->os = (char *)ins; |
133 |
|
} |
134 |
< |
if (ins->msh == NULL || (ins->msh->ldflags & flags) != flags) |
134 |
> |
if (ins->msh == NULL) |
135 |
|
ins->msh = getmesh(o->oargs.sarg[0], flags); |
136 |
+ |
else if ((flags &= ~ins->msh->ldflags)) |
137 |
+ |
readmesh(ins->msh, |
138 |
+ |
getpath(o->oargs.sarg[0], getrlibpath(), R_OK), |
139 |
+ |
flags); |
140 |
|
return(ins); |
141 |
|
} |
142 |
|
|
143 |
|
|
144 |
|
int |
145 |
< |
getmeshtrivid(tvid, mo, mp, ti) /* get triangle vertex ID's */ |
146 |
< |
int4 tvid[3]; |
147 |
< |
OBJECT *mo; |
148 |
< |
MESH *mp; |
142 |
< |
OBJECT ti; |
145 |
> |
nextmeshtri( /* get next triangle ID */ |
146 |
> |
OBJECT *tip, |
147 |
> |
MESH *mp |
148 |
> |
) |
149 |
|
{ |
150 |
+ |
int pn; |
151 |
+ |
MESHPATCH *pp; |
152 |
+ |
|
153 |
+ |
pn = ++(*tip) >> 10; /* next triangle (OVOID init) */ |
154 |
+ |
while (pn < mp->npatches) { |
155 |
+ |
pp = &mp->patch[pn]; |
156 |
+ |
if (!(*tip & 0x200)) { /* local triangle? */ |
157 |
+ |
if ((*tip & 0x1ff) < pp->ntris) |
158 |
+ |
return(1); |
159 |
+ |
*tip &= ~0x1ff; /* move on to single-joiners */ |
160 |
+ |
*tip |= 0x200; |
161 |
+ |
} |
162 |
+ |
if (!(*tip & 0x100)) { /* single joiner? */ |
163 |
+ |
if ((*tip & 0xff) < pp->nj1tris) |
164 |
+ |
return(1); |
165 |
+ |
*tip &= ~0xff; /* move on to double-joiners */ |
166 |
+ |
*tip |= 0x100; |
167 |
+ |
} |
168 |
+ |
if ((*tip & 0xff) < pp->nj2tris) |
169 |
+ |
return(1); |
170 |
+ |
*tip = ++pn << 10; /* first in next patch */ |
171 |
+ |
} |
172 |
+ |
return(0); /* out of patches */ |
173 |
+ |
} |
174 |
+ |
|
175 |
+ |
int |
176 |
+ |
getmeshtrivid( /* get triangle vertex ID's */ |
177 |
+ |
int32 tvid[3], |
178 |
+ |
OBJECT *mo, |
179 |
+ |
MESH *mp, |
180 |
+ |
OBJECT ti |
181 |
+ |
) |
182 |
+ |
{ |
183 |
|
int pn = ti >> 10; |
184 |
|
MESHPATCH *pp; |
185 |
|
|
235 |
|
|
236 |
|
|
237 |
|
int |
238 |
< |
getmeshvert(vp, mp, vid, what) /* get triangle vertex from ID */ |
239 |
< |
MESHVERT*vp; |
240 |
< |
MESH *mp; |
241 |
< |
int4 vid; |
242 |
< |
int what; |
238 |
> |
getmeshvert( /* get triangle vertex from ID */ |
239 |
> |
MESHVERT *vp, |
240 |
> |
MESH *mp, |
241 |
> |
int32 vid, |
242 |
> |
int what |
243 |
> |
) |
244 |
|
{ |
245 |
|
int pn = vid >> 8; |
246 |
|
MESHPATCH *pp; |
247 |
|
double vres; |
248 |
< |
register int i; |
248 |
> |
int i; |
249 |
|
|
250 |
|
vp->fl = 0; |
251 |
|
if (pn >= mp->npatches) |
280 |
|
|
281 |
|
|
282 |
|
OBJREC * |
283 |
< |
getmeshpseudo(mp, mo) /* get mesh pseudo object for material */ |
284 |
< |
MESH *mp; |
285 |
< |
OBJECT mo; |
283 |
> |
getmeshpseudo( /* get mesh pseudo object for material */ |
284 |
> |
MESH *mp, |
285 |
> |
OBJECT mo |
286 |
> |
) |
287 |
|
{ |
288 |
< |
if (mo < mp->mat0 || mo >= mp->mat0 + mp->nmats) |
288 |
> |
if ((mo < mp->mat0) | (mo >= mp->mat0 + mp->nmats)) |
289 |
|
error(INTERNAL, "modifier out of range in getmeshpseudo"); |
290 |
|
if (mp->pseudo == NULL) { |
291 |
< |
register int i; |
291 |
> |
int i; |
292 |
|
mp->pseudo = (OBJREC *)calloc(mp->nmats, sizeof(OBJREC)); |
293 |
|
if (mp->pseudo == NULL) |
294 |
|
error(SYSTEM, "out of memory in getmeshpseudo"); |
303 |
|
|
304 |
|
|
305 |
|
int |
306 |
< |
getmeshtri(tv, mo, mp, ti, wha) /* get triangle vertices */ |
307 |
< |
MESHVERT tv[3]; |
308 |
< |
OBJECT *mo; |
309 |
< |
MESH *mp; |
310 |
< |
OBJECT ti; |
311 |
< |
int wha; |
306 |
> |
getmeshtri( /* get triangle vertices */ |
307 |
> |
MESHVERT tv[3], |
308 |
> |
OBJECT *mo, |
309 |
> |
MESH *mp, |
310 |
> |
OBJECT ti, |
311 |
> |
int wha |
312 |
> |
) |
313 |
|
{ |
314 |
< |
int4 tvid[3]; |
314 |
> |
int32 tvid[3]; |
315 |
|
|
316 |
|
if (!getmeshtrivid(tvid, mo, mp, ti)) |
317 |
|
return(0); |
324 |
|
} |
325 |
|
|
326 |
|
|
327 |
< |
int4 |
328 |
< |
addmeshvert(mp, vp) /* find/add a mesh vertex */ |
329 |
< |
register MESH *mp; |
330 |
< |
MESHVERT *vp; |
327 |
> |
int32 |
328 |
> |
addmeshvert( /* find/add a mesh vertex */ |
329 |
> |
MESH *mp, |
330 |
> |
MESHVERT *vp |
331 |
> |
) |
332 |
|
{ |
333 |
< |
LUENT *lvp; |
334 |
< |
MCVERT cv; |
335 |
< |
register int i; |
333 |
> |
LUENT *lvp; |
334 |
> |
MCVERT cv; |
335 |
> |
int i; |
336 |
|
|
337 |
|
if (!(vp->fl & MT_V)) |
338 |
|
return(-1); |
342 |
|
return(-1); |
343 |
|
if (vp->v[i] >= mp->mcube.cuorg[i] + mp->mcube.cusize) |
344 |
|
return(-1); |
345 |
< |
cv.xyz[i] = (uint4)(4294967296. * |
345 |
> |
cv.xyz[i] = (uint32)(4294967296. * |
346 |
|
(vp->v[i] - mp->mcube.cuorg[i]) / |
347 |
|
mp->mcube.cusize); |
348 |
|
} |
349 |
< |
if (vp->fl & MT_N) |
349 |
> |
if (vp->fl & MT_N) /* assumes normalized! */ |
350 |
|
cv.norm = encodedir(vp->n); |
351 |
|
if (vp->fl & MT_UV) |
352 |
|
for (i = 0; i < 2; i++) { |
354 |
|
return(-1); |
355 |
|
if (vp->uv[i] >= mp->uvlim[1][i]) |
356 |
|
return(-1); |
357 |
< |
cv.uv[i] = (uint4)(4294967296. * |
357 |
> |
cv.uv[i] = (uint32)(4294967296. * |
358 |
|
(vp->uv[i] - mp->uvlim[0][i]) / |
359 |
|
(mp->uvlim[1][i] - mp->uvlim[0][i])); |
360 |
|
} |
371 |
|
if (lvp == NULL) |
372 |
|
goto nomem; |
373 |
|
if (lvp->key == NULL) { |
374 |
< |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int4)); |
375 |
< |
bcopy((void *)&cv, (void *)lvp->key, sizeof(MCVERT)); |
374 |
> |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int32)); |
375 |
> |
memcpy(lvp->key, &cv, sizeof(MCVERT)); |
376 |
|
} |
377 |
|
if (lvp->data == NULL) { /* new vertex */ |
378 |
< |
register MESHPATCH *pp; |
378 |
> |
MESHPATCH *pp; |
379 |
|
if (mp->npatches <= 0) { |
380 |
|
mp->patch = (MESHPATCH *)calloc(MPATCHBLKSIZ, |
381 |
|
sizeof(MESHPATCH)); |
383 |
|
goto nomem; |
384 |
|
mp->npatches = 1; |
385 |
|
} else if (mp->patch[mp->npatches-1].nverts >= 256) { |
386 |
+ |
if (mp->npatches >= 1L<<22) |
387 |
+ |
error(INTERNAL, "too many mesh patches"); |
388 |
|
if (mp->npatches % MPATCHBLKSIZ == 0) { |
389 |
< |
mp->patch = (MESHPATCH *)realloc( |
390 |
< |
(void *)mp->patch, |
391 |
< |
(mp->npatches + MPATCHBLKSIZ)* |
392 |
< |
sizeof(MESHPATCH)); |
348 |
< |
bzero((void *)(mp->patch + mp->npatches), |
389 |
> |
mp->patch = (MESHPATCH *)realloc(mp->patch, |
390 |
> |
(mp->npatches + MPATCHBLKSIZ)* |
391 |
> |
sizeof(MESHPATCH)); |
392 |
> |
memset((mp->patch + mp->npatches), '\0', |
393 |
|
MPATCHBLKSIZ*sizeof(MESHPATCH)); |
394 |
|
} |
395 |
< |
if (mp->npatches++ >= 1L<<22) |
352 |
< |
error(INTERNAL, "too many mesh patches"); |
395 |
> |
mp->npatches++; |
396 |
|
} |
397 |
|
pp = &mp->patch[mp->npatches-1]; |
398 |
|
if (pp->xyz == NULL) { |
399 |
< |
pp->xyz = (uint4 (*)[3])calloc(256, 3*sizeof(int4)); |
399 |
> |
pp->xyz = (uint32 (*)[3])calloc(256, 3*sizeof(int32)); |
400 |
|
if (pp->xyz == NULL) |
401 |
|
goto nomem; |
402 |
|
} |
404 |
|
pp->xyz[pp->nverts][i] = cv.xyz[i]; |
405 |
|
if (cv.fl & MT_N) { |
406 |
|
if (pp->norm == NULL) { |
407 |
< |
pp->norm = (int4 *)calloc(256, sizeof(int4)); |
407 |
> |
pp->norm = (int32 *)calloc(256, sizeof(int32)); |
408 |
|
if (pp->norm == NULL) |
409 |
|
goto nomem; |
410 |
|
} |
412 |
|
} |
413 |
|
if (cv.fl & MT_UV) { |
414 |
|
if (pp->uv == NULL) { |
415 |
< |
pp->uv = (uint4 (*)[2])calloc(256, |
416 |
< |
2*sizeof(uint4)); |
415 |
> |
pp->uv = (uint32 (*)[2])calloc(256, |
416 |
> |
2*sizeof(uint32)); |
417 |
|
if (pp->uv == NULL) |
418 |
|
goto nomem; |
419 |
|
} |
422 |
|
} |
423 |
|
pp->nverts++; |
424 |
|
lvp->data = lvp->key + sizeof(MCVERT); |
425 |
< |
*(int4 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
425 |
> |
*(int32 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
426 |
|
} |
427 |
< |
return(*(int4 *)lvp->data); |
427 |
> |
return(*(int32 *)lvp->data); |
428 |
|
nomem: |
429 |
|
error(SYSTEM, "out of memory in addmeshvert"); |
430 |
|
return(-1); |
432 |
|
|
433 |
|
|
434 |
|
OBJECT |
435 |
< |
addmeshtri(mp, tv, mo) /* add a new mesh triangle */ |
436 |
< |
MESH *mp; |
437 |
< |
MESHVERT tv[3]; |
438 |
< |
OBJECT mo; |
435 |
> |
addmeshtri( /* add a new mesh triangle */ |
436 |
> |
MESH *mp, |
437 |
> |
MESHVERT tv[3], |
438 |
> |
OBJECT mo |
439 |
> |
) |
440 |
|
{ |
441 |
< |
int4 vid[3], t; |
442 |
< |
int pn[3], i; |
443 |
< |
register MESHPATCH *pp; |
441 |
> |
int32 vid[3], t; |
442 |
> |
int pn[3], i; |
443 |
> |
MESHPATCH *pp; |
444 |
|
|
445 |
|
if (!(tv[0].fl & tv[1].fl & tv[2].fl & MT_V)) |
446 |
|
return(OVOID); |
451 |
|
pn[i] = vid[i] >> 8; |
452 |
|
} |
453 |
|
/* normalize material index */ |
454 |
< |
if (mo != OVOID) |
454 |
> |
if (mo != OVOID) { |
455 |
|
if ((mo -= mp->mat0) >= mp->nmats) |
456 |
|
mp->nmats = mo+1; |
457 |
|
else if (mo < 0) |
458 |
|
error(INTERNAL, "modifier range error in addmeshtri"); |
459 |
+ |
} |
460 |
|
/* assign triangle */ |
461 |
< |
if (pn[0] == pn[1] && pn[1] == pn[2]) { /* local case */ |
461 |
> |
if ((pn[0] == pn[1]) & (pn[1] == pn[2])) { /* local case */ |
462 |
|
pp = &mp->patch[pn[0]]; |
463 |
|
if (pp->tri == NULL) { |
464 |
|
pp->tri = (struct PTri *)malloc( |
473 |
|
if (pp->ntris == 0) |
474 |
|
pp->solemat = mo; |
475 |
|
else if (pp->trimat == NULL && mo != pp->solemat) { |
476 |
< |
pp->trimat = (int2 *)malloc( |
477 |
< |
512*sizeof(int2)); |
476 |
> |
pp->trimat = (int16 *)malloc( |
477 |
> |
512*sizeof(int16)); |
478 |
|
if (pp->trimat == NULL) |
479 |
|
goto nomem; |
480 |
|
for (i = pp->ntris; i--; ) |
484 |
|
pp->trimat[pp->ntris] = mo; |
485 |
|
return(pn[0] << 10 | pp->ntris++); |
486 |
|
} |
487 |
< |
} |
443 |
< |
if (pn[0] == pn[1]) { |
487 |
> |
} else if (pn[0] == pn[1]) { |
488 |
|
t = vid[2]; vid[2] = vid[1]; vid[1] = vid[0]; vid[0] = t; |
489 |
|
i = pn[2]; pn[2] = pn[1]; pn[1] = pn[0]; pn[0] = i; |
490 |
|
} else if (pn[0] == pn[2]) { |
508 |
|
} |
509 |
|
} |
510 |
|
/* double link */ |
511 |
< |
pp = &mp->patch[pn[2]]; |
511 |
> |
pp = &mp->patch[pn[i=0]]; |
512 |
> |
if (mp->patch[pn[1]].nj2tris < pp->nj2tris) |
513 |
> |
pp = &mp->patch[pn[i=1]]; |
514 |
> |
if (mp->patch[pn[2]].nj2tris < pp->nj2tris) |
515 |
> |
pp = &mp->patch[pn[i=2]]; |
516 |
> |
if (pp->nj2tris >= 256) |
517 |
> |
error(INTERNAL, "too many patch triangles in addmeshtri"); |
518 |
|
if (pp->j2tri == NULL) { |
519 |
|
pp->j2tri = (struct PJoin2 *)malloc( |
520 |
|
256*sizeof(struct PJoin2)); |
521 |
|
if (pp->j2tri == NULL) |
522 |
|
goto nomem; |
523 |
|
} |
474 |
– |
if (pp->nj2tris >= 256) |
475 |
– |
error(INTERNAL, "too many patch triangles in addmeshtri"); |
476 |
– |
pp->j2tri[pp->nj2tris].v1j = vid[0]; |
477 |
– |
pp->j2tri[pp->nj2tris].v2j = vid[1]; |
478 |
– |
pp->j2tri[pp->nj2tris].v3 = vid[2] & 0xff; |
524 |
|
pp->j2tri[pp->nj2tris].mat = mo; |
525 |
< |
return(pn[2] << 10 | 0x300 | pp->nj2tris++); |
525 |
> |
switch (i) { |
526 |
> |
case 0: |
527 |
> |
pp->j2tri[pp->nj2tris].v3 = vid[0] & 0xff; |
528 |
> |
pp->j2tri[pp->nj2tris].v1j = vid[1]; |
529 |
> |
pp->j2tri[pp->nj2tris].v2j = vid[2]; |
530 |
> |
return(pn[0] << 10 | 0x300 | pp->nj2tris++); |
531 |
> |
case 1: |
532 |
> |
pp->j2tri[pp->nj2tris].v2j = vid[0]; |
533 |
> |
pp->j2tri[pp->nj2tris].v3 = vid[1] & 0xff; |
534 |
> |
pp->j2tri[pp->nj2tris].v1j = vid[2]; |
535 |
> |
return(pn[1] << 10 | 0x300 | pp->nj2tris++); |
536 |
> |
case 2: |
537 |
> |
pp->j2tri[pp->nj2tris].v1j = vid[0]; |
538 |
> |
pp->j2tri[pp->nj2tris].v2j = vid[1]; |
539 |
> |
pp->j2tri[pp->nj2tris].v3 = vid[2] & 0xff; |
540 |
> |
return(pn[2] << 10 | 0x300 | pp->nj2tris++); |
541 |
> |
} |
542 |
|
nomem: |
543 |
|
error(SYSTEM, "out of memory in addmeshtri"); |
544 |
|
return(OVOID); |
546 |
|
|
547 |
|
|
548 |
|
char * |
549 |
< |
checkmesh(mp) /* validate mesh data */ |
489 |
< |
register MESH *mp; |
549 |
> |
checkmesh(MESH *mp) /* validate mesh data */ |
550 |
|
{ |
551 |
|
static char embuf[128]; |
552 |
|
int nouvbounds = 1; |
553 |
< |
register int i; |
553 |
> |
int i, j; |
554 |
|
/* basic checks */ |
555 |
|
if (mp == NULL) |
556 |
|
return("NULL mesh pointer"); |
564 |
|
if (mp->ldflags & IO_BOUNDS) { |
565 |
|
if (mp->mcube.cusize <= FTINY) |
566 |
|
return("illegal octree bounds in mesh"); |
567 |
< |
nouvbounds = (mp->uvlim[0][1] - mp->uvlim[0][0] <= FTINY || |
568 |
< |
mp->uvlim[1][1] - mp->uvlim[1][0] <= FTINY); |
567 |
> |
nouvbounds = (mp->uvlim[1][0] - mp->uvlim[0][0] <= FTINY || |
568 |
> |
mp->uvlim[1][1] - mp->uvlim[0][1] <= FTINY); |
569 |
|
} |
570 |
|
/* check octree */ |
571 |
|
if (mp->ldflags & IO_TREE) { |
572 |
|
if (isempty(mp->mcube.cutree)) |
573 |
|
error(WARNING, "empty mesh octree"); |
574 |
|
} |
575 |
< |
/* check scene data */ |
575 |
> |
/* check patch data */ |
576 |
|
if (mp->ldflags & IO_SCENE) { |
577 |
+ |
MESHVERT mv; |
578 |
|
if (!(mp->ldflags & IO_BOUNDS)) |
579 |
|
return("unbounded scene in mesh"); |
580 |
|
if (mp->mat0 < 0 || mp->mat0+mp->nmats > nobjects) |
581 |
|
return("bad mesh modifier range"); |
582 |
+ |
if (mp->nmats > 0) /* allocate during preload_objs()! */ |
583 |
+ |
getmeshpseudo(mp, mp->mat0); |
584 |
|
for (i = mp->mat0+mp->nmats; i-- > mp->mat0; ) { |
585 |
|
int otyp = objptr(i)->otype; |
586 |
|
if (!ismodifier(otyp)) { |
593 |
|
if (mp->npatches <= 0) |
594 |
|
error(WARNING, "no patches in mesh"); |
595 |
|
for (i = 0; i < mp->npatches; i++) { |
596 |
< |
register MESHPATCH *pp = &mp->patch[i]; |
596 |
> |
MESHPATCH *pp = &mp->patch[i]; |
597 |
|
if (pp->nverts <= 0) |
598 |
|
error(WARNING, "no vertices in patch"); |
599 |
|
else { |
602 |
|
if (nouvbounds && pp->uv != NULL) |
603 |
|
return("unreferenced uv coordinates"); |
604 |
|
} |
605 |
< |
if (pp->ntris + pp->nj1tris + pp->nj2tris <= 0) |
606 |
< |
error(WARNING, "no triangles in patch"); |
607 |
< |
if (pp->ntris > 0 && pp->tri == NULL) |
608 |
< |
return("missing patch triangle list"); |
609 |
< |
if (pp->nj1tris > 0 && pp->j1tri == NULL) |
610 |
< |
return("missing patch joiner triangle list"); |
611 |
< |
if (pp->nj2tris > 0 && pp->j2tri == NULL) |
612 |
< |
return("missing patch double-joiner list"); |
605 |
> |
if (pp->ntris > 0) { |
606 |
> |
struct PTri *tp = pp->tri; |
607 |
> |
if (tp == NULL) |
608 |
> |
return("missing patch triangle list"); |
609 |
> |
if (mp->nmats <= 0) |
610 |
> |
j = -1; |
611 |
> |
else if (pp->trimat == NULL) |
612 |
> |
j = ((pp->solemat < 0) | (pp->solemat >= mp->nmats)) - 1; |
613 |
> |
else |
614 |
> |
for (j = pp->ntris; j--; ) |
615 |
> |
if ((pp->trimat[j] < 0) | |
616 |
> |
(pp->trimat[j] >= mp->nmats)) |
617 |
> |
break; |
618 |
> |
if (j >= 0) |
619 |
> |
return("bad local triangle material"); |
620 |
> |
for (j = pp->ntris; j--; tp++) |
621 |
> |
if ((tp->v1 >= pp->nverts) | (tp->v2 >= pp->nverts) | |
622 |
> |
(tp->v3 >= pp->nverts)) |
623 |
> |
return("bad local triangle index"); |
624 |
> |
} |
625 |
> |
if (pp->nj1tris > 0) { |
626 |
> |
struct PJoin1 *j1p = pp->j1tri; |
627 |
> |
if (j1p == NULL) |
628 |
> |
return("missing patch joiner triangle list"); |
629 |
> |
for (j = pp->nj1tris; j--; j1p++) { |
630 |
> |
if (mp->nmats > 0 && |
631 |
> |
(j1p->mat < 0) | (j1p->mat >= mp->nmats)) |
632 |
> |
return("bad j1 triangle material"); |
633 |
> |
if (!getmeshvert(&mv, mp, j1p->v1j, MT_V)) |
634 |
> |
return("bad j1 triangle joiner"); |
635 |
> |
if ((j1p->v2 >= pp->nverts) | (j1p->v3 >= pp->nverts)) |
636 |
> |
return("bad j1 triangle local index"); |
637 |
> |
} |
638 |
> |
} |
639 |
> |
if (pp->nj2tris > 0) { |
640 |
> |
struct PJoin2 *j2p = pp->j2tri; |
641 |
> |
if (j2p == NULL) |
642 |
> |
return("missing patch double-joiner list"); |
643 |
> |
for (j = pp->nj2tris; j--; j2p++) { |
644 |
> |
if (mp->nmats > 0 && |
645 |
> |
(j2p->mat < 0) | (j2p->mat >= mp->nmats)) |
646 |
> |
return("bad j2 triangle material"); |
647 |
> |
if (!getmeshvert(&mv, mp, j2p->v1j, MT_V) | |
648 |
> |
!getmeshvert(&mv, mp, j2p->v2j, MT_V)) |
649 |
> |
return("bad j2 triangle joiner"); |
650 |
> |
if (j2p->v3 >= pp->nverts) |
651 |
> |
return("bad j2 triangle local index"); |
652 |
> |
} |
653 |
> |
} |
654 |
|
} |
655 |
|
} |
656 |
< |
return(NULL); /* seems OK */ |
656 |
> |
return(NULL); /* seems to be self-consistent */ |
657 |
|
} |
658 |
|
|
659 |
|
|
660 |
|
static void |
661 |
< |
tallyoctree(ot, ecp, lcp, ocp) /* tally octree size */ |
662 |
< |
OCTREE ot; |
663 |
< |
int *ecp, *lcp, *ocp; |
661 |
> |
tallyoctree( /* tally octree size */ |
662 |
> |
OCTREE ot, |
663 |
> |
int *ecp, |
664 |
> |
int *lcp, |
665 |
> |
int *ocp |
666 |
> |
) |
667 |
|
{ |
668 |
|
int i; |
669 |
|
|
684 |
|
|
685 |
|
|
686 |
|
void |
687 |
< |
printmeshstats(ms, fp) /* print out mesh statistics */ |
688 |
< |
MESH *ms; |
689 |
< |
FILE *fp; |
687 |
> |
printmeshstats( /* print out mesh statistics */ |
688 |
> |
MESH *ms, |
689 |
> |
FILE *fp |
690 |
> |
) |
691 |
|
{ |
692 |
|
int lfcnt=0, lecnt=0, locnt=0; |
693 |
|
int vcnt=0, ncnt=0, uvcnt=0; |
697 |
|
|
698 |
|
tallyoctree(ms->mcube.cutree, &lecnt, &lfcnt, &locnt); |
699 |
|
for (i = 0; i < ms->npatches; i++) { |
700 |
< |
register MESHPATCH *pp = &ms->patch[i]; |
700 |
> |
MESHPATCH *pp = &ms->patch[i]; |
701 |
|
vcnt += pp->nverts; |
702 |
|
if (pp->norm != NULL) { |
703 |
|
for (j = pp->nverts; j--; ) |
716 |
|
t2cnt += pp->nj2tris; |
717 |
|
} |
718 |
|
fprintf(fp, "Mesh statistics:\n"); |
719 |
< |
fprintf(fp, "\t%d materials\n", ms->nmats); |
719 |
> |
fprintf(fp, "\t%ld materials\n", (long)ms->nmats); |
720 |
|
fprintf(fp, "\t%d patches (%.2f MBytes)\n", ms->npatches, |
721 |
|
(ms->npatches*sizeof(MESHPATCH) + |
722 |
< |
vcnt*3*sizeof(uint4) + |
723 |
< |
nscnt*sizeof(int4) + |
724 |
< |
uvscnt*2*sizeof(uint4) + |
722 |
> |
vcnt*3*sizeof(uint32) + |
723 |
> |
nscnt*sizeof(int32) + |
724 |
> |
uvscnt*2*sizeof(uint32) + |
725 |
|
tcnt*sizeof(struct PTri) + |
726 |
|
t1cnt*sizeof(struct PJoin1) + |
727 |
|
t2cnt*sizeof(struct PJoin2))/(1024.*1024.)); |
739 |
|
|
740 |
|
|
741 |
|
void |
742 |
< |
freemesh(ms) /* free mesh data */ |
635 |
< |
register MESH *ms; |
742 |
> |
freemesh(MESH *ms) /* free mesh data */ |
743 |
|
{ |
744 |
|
MESH mhead; |
745 |
|
MESH *msp; |
767 |
|
octfree(ms->mcube.cutree); |
768 |
|
lu_done(&ms->lut); |
769 |
|
if (ms->npatches > 0) { |
770 |
< |
register MESHPATCH *pp = ms->patch + ms->npatches; |
770 |
> |
MESHPATCH *pp = ms->patch + ms->npatches; |
771 |
|
while (pp-- > ms->patch) { |
772 |
|
if (pp->j2tri != NULL) |
773 |
< |
free((void *)pp->j2tri); |
773 |
> |
free(pp->j2tri); |
774 |
|
if (pp->j1tri != NULL) |
775 |
< |
free((void *)pp->j1tri); |
775 |
> |
free(pp->j1tri); |
776 |
|
if (pp->tri != NULL) |
777 |
< |
free((void *)pp->tri); |
777 |
> |
free(pp->tri); |
778 |
|
if (pp->uv != NULL) |
779 |
< |
free((void *)pp->uv); |
779 |
> |
free(pp->uv); |
780 |
|
if (pp->norm != NULL) |
781 |
< |
free((void *)pp->norm); |
781 |
> |
free(pp->norm); |
782 |
|
if (pp->xyz != NULL) |
783 |
< |
free((void *)pp->xyz); |
783 |
> |
free(pp->xyz); |
784 |
> |
if (pp->trimat != NULL) |
785 |
> |
free(pp->trimat); |
786 |
|
} |
787 |
< |
free((void *)ms->patch); |
787 |
> |
free(ms->patch); |
788 |
|
} |
789 |
|
if (ms->pseudo != NULL) |
790 |
< |
free((void *)ms->pseudo); |
791 |
< |
free((void *)ms); |
790 |
> |
free(ms->pseudo); |
791 |
> |
free(ms); |
792 |
|
} |
793 |
|
|
794 |
|
|
795 |
|
void |
796 |
< |
freemeshinst(o) /* free mesh instance */ |
688 |
< |
OBJREC *o; |
796 |
> |
freemeshinst(OBJREC *o) /* free mesh instance */ |
797 |
|
{ |
798 |
|
if (o->os == NULL) |
799 |
|
return; |
800 |
|
freemesh((*(MESHINST *)o->os).msh); |
801 |
< |
free((void *)o->os); |
801 |
> |
free(o->os); |
802 |
|
o->os = NULL; |
803 |
|
} |