5 |
|
* Mesh support routines |
6 |
|
*/ |
7 |
|
|
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" |
14 |
|
#include "octree.h" |
15 |
|
#include "object.h" |
16 |
|
#include "otypes.h" |
73 |
|
|
74 |
|
|
75 |
|
MESH * |
76 |
< |
getmesh(mname, flags) /* get mesh data */ |
76 |
> |
getmesh(mname, flags) /* get new mesh data reference */ |
77 |
|
char *mname; |
78 |
|
int flags; |
79 |
|
{ |
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) { /* load first time */ |
90 |
|
ms = (MESH *)calloc(1, sizeof(MESH)); |
91 |
|
if (ms == NULL) |
92 |
|
error(SYSTEM, "out of memory in getmesh"); |
130 |
|
ins->msh = NULL; |
131 |
|
o->os = (char *)ins; |
132 |
|
} |
133 |
< |
if (ins->msh == NULL || (ins->msh->ldflags & flags) != flags) |
133 |
> |
if (ins->msh == NULL) |
134 |
|
ins->msh = getmesh(o->oargs.sarg[0], flags); |
135 |
+ |
else if ((flags &= ~ins->msh->ldflags)) |
136 |
+ |
readmesh(ins->msh, |
137 |
+ |
getpath(o->oargs.sarg[0], getrlibpath(), R_OK), |
138 |
+ |
flags); |
139 |
|
return(ins); |
140 |
|
} |
141 |
|
|
309 |
|
(vp->v[i] - mp->mcube.cuorg[i]) / |
310 |
|
mp->mcube.cusize); |
311 |
|
} |
312 |
< |
if (vp->fl & MT_N) |
312 |
> |
if (vp->fl & MT_N) /* assumes normalized! */ |
313 |
|
cv.norm = encodedir(vp->n); |
314 |
|
if (vp->fl & MT_UV) |
315 |
|
for (i = 0; i < 2; i++) { |
335 |
|
goto nomem; |
336 |
|
if (lvp->key == NULL) { |
337 |
|
lvp->key = (char *)malloc(sizeof(MCVERT)+sizeof(int32)); |
338 |
< |
bcopy((void *)&cv, (void *)lvp->key, sizeof(MCVERT)); |
338 |
> |
memcpy((void *)lvp->key, (void *)&cv, sizeof(MCVERT)); |
339 |
|
} |
340 |
|
if (lvp->data == NULL) { /* new vertex */ |
341 |
|
register MESHPATCH *pp; |
351 |
|
(void *)mp->patch, |
352 |
|
(mp->npatches + MPATCHBLKSIZ)* |
353 |
|
sizeof(MESHPATCH)); |
354 |
< |
bzero((void *)(mp->patch + mp->npatches), |
354 |
> |
memset((void *)(mp->patch + mp->npatches), '\0', |
355 |
|
MPATCHBLKSIZ*sizeof(MESHPATCH)); |
356 |
|
} |
357 |
|
if (mp->npatches++ >= 1L<<22) |
413 |
|
pn[i] = vid[i] >> 8; |
414 |
|
} |
415 |
|
/* normalize material index */ |
416 |
< |
if (mo != OVOID) |
416 |
> |
if (mo != OVOID) { |
417 |
|
if ((mo -= mp->mat0) >= mp->nmats) |
418 |
|
mp->nmats = mo+1; |
419 |
|
else if (mo < 0) |
420 |
|
error(INTERNAL, "modifier range error in addmeshtri"); |
421 |
+ |
} |
422 |
|
/* assign triangle */ |
423 |
|
if (pn[0] == pn[1] && pn[1] == pn[2]) { /* local case */ |
424 |
|
pp = &mp->patch[pn[0]]; |
546 |
|
if (nouvbounds && pp->uv != NULL) |
547 |
|
return("unreferenced uv coordinates"); |
548 |
|
} |
542 |
– |
if (pp->ntris + pp->nj1tris + pp->nj2tris <= 0) |
543 |
– |
error(WARNING, "no triangles in patch"); |
549 |
|
if (pp->ntris > 0 && pp->tri == NULL) |
550 |
|
return("missing patch triangle list"); |
551 |
|
if (pp->nj1tris > 0 && pp->j1tri == NULL) |
613 |
|
t2cnt += pp->nj2tris; |
614 |
|
} |
615 |
|
fprintf(fp, "Mesh statistics:\n"); |
616 |
< |
fprintf(fp, "\t%d materials\n", ms->nmats); |
616 |
> |
fprintf(fp, "\t%ld materials\n", ms->nmats); |
617 |
|
fprintf(fp, "\t%d patches (%.2f MBytes)\n", ms->npatches, |
618 |
|
(ms->npatches*sizeof(MESHPATCH) + |
619 |
|
vcnt*3*sizeof(uint32) + |