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* Mesh support routines |
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*/ |
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8 |
< |
#include "standard.h" |
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> |
#include <string.h> |
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> |
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10 |
> |
#include "rtio.h" |
11 |
> |
#include "rtmath.h" |
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> |
#include "rterror.h" |
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#include "octree.h" |
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#include "object.h" |
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#include "otypes.h" |
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/* An encoded mesh vertex */ |
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typedef struct { |
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int fl; |
21 |
< |
uint4 xyz[3]; |
22 |
< |
int4 norm; |
23 |
< |
uint4 uv[2]; |
21 |
> |
uint32 xyz[3]; |
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> |
int32 norm; |
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> |
uint32 uv[2]; |
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} MCVERT; |
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|
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#define MPATCHBLKSIZ 128 /* patch allocation block size */ |
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MESH * |
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< |
getmesh(mname, flags) /* get mesh data */ |
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> |
getmesh(mname, flags) /* get new mesh data reference */ |
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char *mname; |
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int flags; |
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{ |
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flags &= IO_LEGAL; |
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for (ms = mlist; ms != NULL; ms = ms->next) |
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if (!strcmp(mname, ms->name)) { |
85 |
< |
if ((ms->ldflags & flags) == flags) { |
86 |
< |
ms->nref++; |
83 |
< |
return(ms); /* loaded */ |
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< |
} |
85 |
< |
break; /* load the rest */ |
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> |
ms->nref++; /* increase reference count */ |
86 |
> |
break; |
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} |
88 |
< |
if (ms == NULL) { |
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> |
if (ms == NULL) { /* load first time */ |
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ms = (MESH *)calloc(1, sizeof(MESH)); |
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if (ms == NULL) |
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error(SYSTEM, "out of memory in getmesh"); |
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ms->next = mlist; |
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mlist = ms; |
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} |
98 |
< |
if ((pathname = getpath(mname, getlibpath(), R_OK)) == NULL) { |
98 |
> |
if ((pathname = getpath(mname, getrlibpath(), R_OK)) == NULL) { |
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sprintf(errmsg, "cannot find mesh file \"%s\"", mname); |
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error(USER, errmsg); |
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} |
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ins->msh = NULL; |
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o->os = (char *)ins; |
131 |
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} |
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< |
if (ins->msh == NULL || (ins->msh->ldflags & flags) != flags) |
132 |
> |
if (ins->msh == NULL) |
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ins->msh = getmesh(o->oargs.sarg[0], flags); |
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+ |
else if ((flags &= ~ins->msh->ldflags)) |
135 |
+ |
readmesh(ins->msh, |
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getpath(o->oargs.sarg[0], getrlibpath(), R_OK), |
137 |
+ |
flags); |
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return(ins); |
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} |
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|
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|
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int |
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getmeshtrivid(tvid, mo, mp, ti) /* get triangle vertex ID's */ |
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< |
int4 tvid[3]; |
144 |
> |
int32 tvid[3]; |
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OBJECT *mo; |
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MESH *mp; |
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OBJECT ti; |
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|
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int |
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getmeshvert(vp, mp, vid, what) /* get triangle vertex from ID */ |
205 |
< |
MESHVERT*vp; |
206 |
< |
MESH *mp; |
207 |
< |
int4 vid; |
208 |
< |
int what; |
205 |
> |
MESHVERT *vp; |
206 |
> |
MESH *mp; |
207 |
> |
int32 vid; |
208 |
> |
int what; |
209 |
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{ |
210 |
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int pn = vid >> 8; |
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MESHPATCH *pp; |
274 |
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OBJECT ti; |
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int wha; |
276 |
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{ |
277 |
< |
int4 tvid[3]; |
277 |
> |
int32 tvid[3]; |
278 |
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|
279 |
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if (!getmeshtrivid(tvid, mo, mp, ti)) |
280 |
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return(0); |
287 |
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} |
288 |
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289 |
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|
290 |
< |
int4 |
290 |
> |
int32 |
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addmeshvert(mp, vp) /* find/add a mesh vertex */ |
292 |
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register MESH *mp; |
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MESHVERT *vp; |
304 |
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return(-1); |
305 |
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if (vp->v[i] >= mp->mcube.cuorg[i] + mp->mcube.cusize) |
306 |
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return(-1); |
307 |
< |
cv.xyz[i] = (uint4)(4294967296. * |
307 |
> |
cv.xyz[i] = (uint32)(4294967296. * |
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(vp->v[i] - mp->mcube.cuorg[i]) / |
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mp->mcube.cusize); |
310 |
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} |
311 |
< |
if (vp->fl & MT_N) |
311 |
> |
if (vp->fl & MT_N) /* assumes normalized! */ |
312 |
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cv.norm = encodedir(vp->n); |
313 |
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if (vp->fl & MT_UV) |
314 |
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for (i = 0; i < 2; i++) { |
316 |
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return(-1); |
317 |
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if (vp->uv[i] >= mp->uvlim[1][i]) |
318 |
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return(-1); |
319 |
< |
cv.uv[i] = (uint4)(4294967296. * |
319 |
> |
cv.uv[i] = (uint32)(4294967296. * |
320 |
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(vp->uv[i] - mp->uvlim[0][i]) / |
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(mp->uvlim[1][i] - mp->uvlim[0][i])); |
322 |
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} |
333 |
|
if (lvp == NULL) |
334 |
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goto nomem; |
335 |
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if (lvp->key == NULL) { |
336 |
< |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int4)); |
337 |
< |
bcopy((void *)&cv, (void *)lvp->key, sizeof(MCVERT)); |
336 |
> |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int32)); |
337 |
> |
memcpy((void *)lvp->key, (void *)&cv, sizeof(MCVERT)); |
338 |
|
} |
339 |
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if (lvp->data == NULL) { /* new vertex */ |
340 |
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register MESHPATCH *pp; |
350 |
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(void *)mp->patch, |
351 |
|
(mp->npatches + MPATCHBLKSIZ)* |
352 |
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sizeof(MESHPATCH)); |
353 |
< |
bzero((void *)(mp->patch + mp->npatches), |
353 |
> |
memset((void *)(mp->patch + mp->npatches), '\0', |
354 |
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MPATCHBLKSIZ*sizeof(MESHPATCH)); |
355 |
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} |
356 |
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if (mp->npatches++ >= 1L<<22) |
358 |
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} |
359 |
|
pp = &mp->patch[mp->npatches-1]; |
360 |
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if (pp->xyz == NULL) { |
361 |
< |
pp->xyz = (uint4 (*)[3])calloc(256, 3*sizeof(int4)); |
361 |
> |
pp->xyz = (uint32 (*)[3])calloc(256, 3*sizeof(int32)); |
362 |
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if (pp->xyz == NULL) |
363 |
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goto nomem; |
364 |
|
} |
366 |
|
pp->xyz[pp->nverts][i] = cv.xyz[i]; |
367 |
|
if (cv.fl & MT_N) { |
368 |
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if (pp->norm == NULL) { |
369 |
< |
pp->norm = (int4 *)calloc(256, sizeof(int4)); |
369 |
> |
pp->norm = (int32 *)calloc(256, sizeof(int32)); |
370 |
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if (pp->norm == NULL) |
371 |
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goto nomem; |
372 |
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} |
374 |
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} |
375 |
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if (cv.fl & MT_UV) { |
376 |
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if (pp->uv == NULL) { |
377 |
< |
pp->uv = (uint4 (*)[2])calloc(256, |
378 |
< |
2*sizeof(uint4)); |
377 |
> |
pp->uv = (uint32 (*)[2])calloc(256, |
378 |
> |
2*sizeof(uint32)); |
379 |
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if (pp->uv == NULL) |
380 |
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goto nomem; |
381 |
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} |
384 |
|
} |
385 |
|
pp->nverts++; |
386 |
|
lvp->data = lvp->key + sizeof(MCVERT); |
387 |
< |
*(int4 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
387 |
> |
*(int32 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
388 |
|
} |
389 |
< |
return(*(int4 *)lvp->data); |
389 |
> |
return(*(int32 *)lvp->data); |
390 |
|
nomem: |
391 |
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error(SYSTEM, "out of memory in addmeshvert"); |
392 |
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return(-1); |
399 |
|
MESHVERT tv[3]; |
400 |
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OBJECT mo; |
401 |
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{ |
402 |
< |
int4 vid[3], t; |
402 |
> |
int32 vid[3], t; |
403 |
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int pn[3], i; |
404 |
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register MESHPATCH *pp; |
405 |
|
|
412 |
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pn[i] = vid[i] >> 8; |
413 |
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} |
414 |
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/* normalize material index */ |
415 |
< |
if (mo != OVOID) |
415 |
> |
if (mo != OVOID) { |
416 |
|
if ((mo -= mp->mat0) >= mp->nmats) |
417 |
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mp->nmats = mo+1; |
418 |
|
else if (mo < 0) |
419 |
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error(INTERNAL, "modifier range error in addmeshtri"); |
420 |
+ |
} |
421 |
|
/* assign triangle */ |
422 |
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if (pn[0] == pn[1] && pn[1] == pn[2]) { /* local case */ |
423 |
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pp = &mp->patch[pn[0]]; |
434 |
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if (pp->ntris == 0) |
435 |
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pp->solemat = mo; |
436 |
|
else if (pp->trimat == NULL && mo != pp->solemat) { |
437 |
< |
pp->trimat = (int2 *)malloc( |
438 |
< |
512*sizeof(int2)); |
437 |
> |
pp->trimat = (int16 *)malloc( |
438 |
> |
512*sizeof(int16)); |
439 |
|
if (pp->trimat == NULL) |
440 |
|
goto nomem; |
441 |
|
for (i = pp->ntris; i--; ) |
614 |
|
t2cnt += pp->nj2tris; |
615 |
|
} |
616 |
|
fprintf(fp, "Mesh statistics:\n"); |
617 |
< |
fprintf(fp, "\t%d materials\n", ms->nmats); |
617 |
> |
fprintf(fp, "\t%ld materials\n", ms->nmats); |
618 |
|
fprintf(fp, "\t%d patches (%.2f MBytes)\n", ms->npatches, |
619 |
|
(ms->npatches*sizeof(MESHPATCH) + |
620 |
< |
vcnt*3*sizeof(uint4) + |
621 |
< |
nscnt*sizeof(int4) + |
622 |
< |
uvscnt*2*sizeof(uint4) + |
620 |
> |
vcnt*3*sizeof(uint32) + |
621 |
> |
nscnt*sizeof(int32) + |
622 |
> |
uvscnt*2*sizeof(uint32) + |
623 |
|
tcnt*sizeof(struct PTri) + |
624 |
|
t1cnt*sizeof(struct PJoin1) + |
625 |
|
t2cnt*sizeof(struct PJoin2))/(1024.*1024.)); |