| 5 |
|
* Mesh support routines |
| 6 |
|
*/ |
| 7 |
|
|
| 8 |
– |
#include <string.h> |
| 9 |
– |
|
| 8 |
|
#include "rtio.h" |
| 9 |
|
#include "rtmath.h" |
| 10 |
|
#include "rterror.h" |
| 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 |
|
int i; |
| 372 |
|
goto nomem; |
| 373 |
|
if (lvp->key == NULL) { |
| 374 |
|
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int32)); |
| 375 |
< |
memcpy((void *)lvp->key, (void *)&cv, sizeof(MCVERT)); |
| 375 |
> |
memcpy(lvp->key, &cv, sizeof(MCVERT)); |
| 376 |
|
} |
| 377 |
|
if (lvp->data == NULL) { /* new vertex */ |
| 378 |
|
MESHPATCH *pp; |
| 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)); |
| 393 |
< |
memset((void *)(mp->patch + mp->npatches), '\0', |
| 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) |
| 397 |
< |
error(INTERNAL, "too many mesh patches"); |
| 395 |
> |
mp->npatches++; |
| 396 |
|
} |
| 397 |
|
pp = &mp->patch[mp->npatches-1]; |
| 398 |
|
if (pp->xyz == NULL) { |
| 508 |
|
} |
| 509 |
|
} |
| 510 |
|
/* double link */ |
| 511 |
< |
pp = &mp->patch[pn[2]]; |
| 511 |
> |
pp = &mp->patch[pn[i=0]]; |
| 512 |
> |
if (pp->nj2tris >= 256) |
| 513 |
> |
pp = &mp->patch[pn[i=1]]; |
| 514 |
> |
if (pp->nj2tris >= 256) |
| 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 |
|
} |
| 520 |
– |
if (pp->nj2tris >= 256) |
| 521 |
– |
error(INTERNAL, "too many patch triangles in addmeshtri"); |
| 522 |
– |
pp->j2tri[pp->nj2tris].v1j = vid[0]; |
| 523 |
– |
pp->j2tri[pp->nj2tris].v2j = vid[1]; |
| 524 |
– |
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); |
| 724 |
|
MESHPATCH *pp = ms->patch + ms->npatches; |
| 725 |
|
while (pp-- > ms->patch) { |
| 726 |
|
if (pp->j2tri != NULL) |
| 727 |
< |
free((void *)pp->j2tri); |
| 727 |
> |
free(pp->j2tri); |
| 728 |
|
if (pp->j1tri != NULL) |
| 729 |
< |
free((void *)pp->j1tri); |
| 729 |
> |
free(pp->j1tri); |
| 730 |
|
if (pp->tri != NULL) |
| 731 |
< |
free((void *)pp->tri); |
| 731 |
> |
free(pp->tri); |
| 732 |
|
if (pp->uv != NULL) |
| 733 |
< |
free((void *)pp->uv); |
| 733 |
> |
free(pp->uv); |
| 734 |
|
if (pp->norm != NULL) |
| 735 |
< |
free((void *)pp->norm); |
| 735 |
> |
free(pp->norm); |
| 736 |
|
if (pp->xyz != NULL) |
| 737 |
< |
free((void *)pp->xyz); |
| 737 |
> |
free(pp->xyz); |
| 738 |
> |
if (pp->trimat != NULL) |
| 739 |
> |
free(pp->trimat); |
| 740 |
|
} |
| 741 |
< |
free((void *)ms->patch); |
| 741 |
> |
free(ms->patch); |
| 742 |
|
} |
| 743 |
|
if (ms->pseudo != NULL) |
| 744 |
< |
free((void *)ms->pseudo); |
| 745 |
< |
free((void *)ms); |
| 744 |
> |
free(ms->pseudo); |
| 745 |
> |
free(ms); |
| 746 |
|
} |
| 747 |
|
|
| 748 |
|
|
| 752 |
|
if (o->os == NULL) |
| 753 |
|
return; |
| 754 |
|
freemesh((*(MESHINST *)o->os).msh); |
| 755 |
< |
free((void *)o->os); |
| 755 |
> |
free(o->os); |
| 756 |
|
o->os = NULL; |
| 757 |
|
} |