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* Mesh support routines |
6 |
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*/ |
7 |
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|
8 |
< |
#include "standard.h" |
8 |
> |
#include <string.h> |
9 |
> |
|
10 |
> |
#include "rtio.h" |
11 |
> |
#include "rtmath.h" |
12 |
> |
#include "rterror.h" |
13 |
> |
#include "paths.h" |
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#include "octree.h" |
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#include "object.h" |
16 |
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#include "otypes.h" |
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/* An encoded mesh vertex */ |
20 |
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typedef struct { |
21 |
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int fl; |
22 |
< |
uint4 xyz[3]; |
23 |
< |
int4 norm; |
24 |
< |
uint4 uv[2]; |
22 |
> |
uint32 xyz[3]; |
23 |
> |
int32 norm; |
24 |
> |
uint32 uv[2]; |
25 |
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} MCVERT; |
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|
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#define MPATCHBLKSIZ 128 /* patch allocation block size */ |
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|
31 |
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static MESH *mlist = NULL; /* list of loaded meshes */ |
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|
33 |
+ |
static lut_keycmpf_t cvcmp; |
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+ |
static lut_hashf_t cvhash; |
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|
36 |
+ |
|
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static unsigned long |
38 |
< |
cvhash(cvp) /* hash an encoded vertex */ |
39 |
< |
MCVERT *cvp; |
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> |
cvhash(p) /* hash an encoded vertex */ |
39 |
> |
//MCVERT *cvp; |
40 |
> |
void *p; |
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{ |
42 |
+ |
MCVERT *cvp = p; |
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unsigned long hval; |
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|
45 |
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if (!(cvp->fl & MT_V)) |
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|
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|
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static int |
57 |
< |
cvcmp(v1, v2) /* compare encoded vertices */ |
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< |
register MCVERT *v1, *v2; |
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> |
cvcmp(vv1, vv2) /* compare encoded vertices */ |
58 |
> |
//register MCVERT *v1, *v2; |
59 |
> |
const void *vv1, *vv2; |
60 |
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{ |
61 |
+ |
const MCVERT *v1 = vv1, *v2 = vv2; |
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if (v1->fl != v2->fl) |
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return(1); |
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if (v1->xyz[0] != v2->xyz[0]) |
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|
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|
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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)) { |
93 |
< |
if ((ms->ldflags & flags) == flags) { |
94 |
< |
ms->nref++; |
83 |
< |
return(ms); /* loaded */ |
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< |
} |
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< |
break; /* load the rest */ |
93 |
> |
ms->nref++; /* increase reference count */ |
94 |
> |
break; |
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} |
96 |
< |
if (ms == NULL) { |
96 |
> |
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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} |
106 |
< |
if ((pathname = getpath(mname, getlibpath(), R_OK)) == NULL) { |
106 |
> |
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; |
139 |
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} |
140 |
< |
if (ins->msh == NULL || (ins->msh->ldflags & flags) != flags) |
140 |
> |
if (ins->msh == NULL) |
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ins->msh = getmesh(o->oargs.sarg[0], flags); |
142 |
+ |
else if ((flags &= ~ins->msh->ldflags)) |
143 |
+ |
readmesh(ins->msh, |
144 |
+ |
getpath(o->oargs.sarg[0], getrlibpath(), R_OK), |
145 |
+ |
flags); |
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return(ins); |
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} |
148 |
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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 */ |
152 |
< |
int4 tvid[3]; |
152 |
> |
int32 tvid[3]; |
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OBJECT *mo; |
154 |
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MESH *mp; |
155 |
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OBJECT ti; |
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getmeshvert(vp, mp, vid, what) /* get triangle vertex from ID */ |
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MESHVERT *vp; |
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MESH *mp; |
215 |
< |
int4 vid; |
215 |
> |
int32 vid; |
216 |
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int what; |
217 |
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{ |
218 |
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int pn = vid >> 8; |
282 |
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OBJECT ti; |
283 |
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int wha; |
284 |
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{ |
285 |
< |
int4 tvid[3]; |
285 |
> |
int32 tvid[3]; |
286 |
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|
287 |
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if (!getmeshtrivid(tvid, mo, mp, ti)) |
288 |
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return(0); |
295 |
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} |
296 |
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|
297 |
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|
298 |
< |
int4 |
298 |
> |
int32 |
299 |
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addmeshvert(mp, vp) /* find/add a mesh vertex */ |
300 |
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register MESH *mp; |
301 |
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MESHVERT *vp; |
312 |
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return(-1); |
313 |
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if (vp->v[i] >= mp->mcube.cuorg[i] + mp->mcube.cusize) |
314 |
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return(-1); |
315 |
< |
cv.xyz[i] = (uint4)(4294967296. * |
315 |
> |
cv.xyz[i] = (uint32)(4294967296. * |
316 |
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(vp->v[i] - mp->mcube.cuorg[i]) / |
317 |
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mp->mcube.cusize); |
318 |
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} |
319 |
< |
if (vp->fl & MT_N) |
319 |
> |
if (vp->fl & MT_N) /* assumes normalized! */ |
320 |
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cv.norm = encodedir(vp->n); |
321 |
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if (vp->fl & MT_UV) |
322 |
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for (i = 0; i < 2; i++) { |
324 |
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return(-1); |
325 |
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if (vp->uv[i] >= mp->uvlim[1][i]) |
326 |
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return(-1); |
327 |
< |
cv.uv[i] = (uint4)(4294967296. * |
327 |
> |
cv.uv[i] = (uint32)(4294967296. * |
328 |
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(vp->uv[i] - mp->uvlim[0][i]) / |
329 |
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(mp->uvlim[1][i] - mp->uvlim[0][i])); |
330 |
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} |
341 |
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if (lvp == NULL) |
342 |
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goto nomem; |
343 |
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if (lvp->key == NULL) { |
344 |
< |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int4)); |
345 |
< |
bcopy((void *)&cv, (void *)lvp->key, sizeof(MCVERT)); |
344 |
> |
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int32)); |
345 |
> |
memcpy((void *)lvp->key, (void *)&cv, sizeof(MCVERT)); |
346 |
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} |
347 |
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if (lvp->data == NULL) { /* new vertex */ |
348 |
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register MESHPATCH *pp; |
358 |
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(void *)mp->patch, |
359 |
|
(mp->npatches + MPATCHBLKSIZ)* |
360 |
|
sizeof(MESHPATCH)); |
361 |
< |
bzero((void *)(mp->patch + mp->npatches), |
361 |
> |
memset((void *)(mp->patch + mp->npatches), '\0', |
362 |
|
MPATCHBLKSIZ*sizeof(MESHPATCH)); |
363 |
|
} |
364 |
|
if (mp->npatches++ >= 1L<<22) |
366 |
|
} |
367 |
|
pp = &mp->patch[mp->npatches-1]; |
368 |
|
if (pp->xyz == NULL) { |
369 |
< |
pp->xyz = (uint4 (*)[3])calloc(256, 3*sizeof(int4)); |
369 |
> |
pp->xyz = (uint32 (*)[3])calloc(256, 3*sizeof(int32)); |
370 |
|
if (pp->xyz == NULL) |
371 |
|
goto nomem; |
372 |
|
} |
374 |
|
pp->xyz[pp->nverts][i] = cv.xyz[i]; |
375 |
|
if (cv.fl & MT_N) { |
376 |
|
if (pp->norm == NULL) { |
377 |
< |
pp->norm = (int4 *)calloc(256, sizeof(int4)); |
377 |
> |
pp->norm = (int32 *)calloc(256, sizeof(int32)); |
378 |
|
if (pp->norm == NULL) |
379 |
|
goto nomem; |
380 |
|
} |
382 |
|
} |
383 |
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if (cv.fl & MT_UV) { |
384 |
|
if (pp->uv == NULL) { |
385 |
< |
pp->uv = (uint4 (*)[2])calloc(256, |
386 |
< |
2*sizeof(uint4)); |
385 |
> |
pp->uv = (uint32 (*)[2])calloc(256, |
386 |
> |
2*sizeof(uint32)); |
387 |
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if (pp->uv == NULL) |
388 |
|
goto nomem; |
389 |
|
} |
392 |
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} |
393 |
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pp->nverts++; |
394 |
|
lvp->data = lvp->key + sizeof(MCVERT); |
395 |
< |
*(int4 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
395 |
> |
*(int32 *)lvp->data = (mp->npatches-1) << 8 | (pp->nverts-1); |
396 |
|
} |
397 |
< |
return(*(int4 *)lvp->data); |
397 |
> |
return(*(int32 *)lvp->data); |
398 |
|
nomem: |
399 |
|
error(SYSTEM, "out of memory in addmeshvert"); |
400 |
|
return(-1); |
407 |
|
MESHVERT tv[3]; |
408 |
|
OBJECT mo; |
409 |
|
{ |
410 |
< |
int4 vid[3], t; |
410 |
> |
int32 vid[3], t; |
411 |
|
int pn[3], i; |
412 |
|
register MESHPATCH *pp; |
413 |
|
|
420 |
|
pn[i] = vid[i] >> 8; |
421 |
|
} |
422 |
|
/* normalize material index */ |
423 |
< |
if (mo != OVOID) |
423 |
> |
if (mo != OVOID) { |
424 |
|
if ((mo -= mp->mat0) >= mp->nmats) |
425 |
|
mp->nmats = mo+1; |
426 |
|
else if (mo < 0) |
427 |
|
error(INTERNAL, "modifier range error in addmeshtri"); |
428 |
+ |
} |
429 |
|
/* assign triangle */ |
430 |
|
if (pn[0] == pn[1] && pn[1] == pn[2]) { /* local case */ |
431 |
|
pp = &mp->patch[pn[0]]; |
442 |
|
if (pp->ntris == 0) |
443 |
|
pp->solemat = mo; |
444 |
|
else if (pp->trimat == NULL && mo != pp->solemat) { |
445 |
< |
pp->trimat = (int2 *)malloc( |
446 |
< |
512*sizeof(int2)); |
445 |
> |
pp->trimat = (int16 *)malloc( |
446 |
> |
512*sizeof(int16)); |
447 |
|
if (pp->trimat == NULL) |
448 |
|
goto nomem; |
449 |
|
for (i = pp->ntris; i--; ) |
553 |
|
if (nouvbounds && pp->uv != NULL) |
554 |
|
return("unreferenced uv coordinates"); |
555 |
|
} |
542 |
– |
if (pp->ntris + pp->nj1tris + pp->nj2tris <= 0) |
543 |
– |
error(WARNING, "no triangles in patch"); |
556 |
|
if (pp->ntris > 0 && pp->tri == NULL) |
557 |
|
return("missing patch triangle list"); |
558 |
|
if (pp->nj1tris > 0 && pp->j1tri == NULL) |
620 |
|
t2cnt += pp->nj2tris; |
621 |
|
} |
622 |
|
fprintf(fp, "Mesh statistics:\n"); |
623 |
< |
fprintf(fp, "\t%d materials\n", ms->nmats); |
623 |
> |
fprintf(fp, "\t%ld materials\n", ms->nmats); |
624 |
|
fprintf(fp, "\t%d patches (%.2f MBytes)\n", ms->npatches, |
625 |
|
(ms->npatches*sizeof(MESHPATCH) + |
626 |
< |
vcnt*3*sizeof(uint4) + |
627 |
< |
nscnt*sizeof(int4) + |
628 |
< |
uvscnt*2*sizeof(uint4) + |
626 |
> |
vcnt*3*sizeof(uint32) + |
627 |
> |
nscnt*sizeof(int32) + |
628 |
> |
uvscnt*2*sizeof(uint32) + |
629 |
|
tcnt*sizeof(struct PTri) + |
630 |
|
t1cnt*sizeof(struct PJoin1) + |
631 |
|
t2cnt*sizeof(struct PJoin2))/(1024.*1024.)); |