| 19 |
|
int |
| 20 |
|
findName(const char *nm, const char **nmlist, int n) |
| 21 |
|
{ |
| 22 |
< |
register int i; |
| 22 |
> |
int i; |
| 23 |
|
|
| 24 |
|
for (i = n; i-- > 0; ) |
| 25 |
|
if (!strcmp(nmlist[i], nm)) |
| 31 |
|
void |
| 32 |
|
clearSelection(Scene *sc, int set) |
| 33 |
|
{ |
| 34 |
< |
Face *f; |
| 34 |
> |
Face *f; |
| 35 |
|
|
| 36 |
|
for (f = sc->flist; f != NULL; f = f->next) |
| 37 |
|
if (set) |
| 44 |
|
void |
| 45 |
|
selectGroup(Scene *sc, const char *gname, int invert) |
| 46 |
|
{ |
| 47 |
< |
int gid = findName(gname, (const char **)sc->grpname, sc->ngrps); |
| 48 |
< |
Face *f; |
| 47 |
> |
int gid = getGroupID(sc, gname); |
| 48 |
> |
Face *f; |
| 49 |
|
|
| 50 |
|
if (gid < 0) |
| 51 |
|
return; |
| 62 |
|
void |
| 63 |
|
selectMaterial(Scene *sc, const char *mname, int invert) |
| 64 |
|
{ |
| 65 |
< |
int mid = findName(mname, (const char **)sc->matname, sc->nmats); |
| 66 |
< |
Face *f; |
| 65 |
> |
int mid = getMaterialID(sc, mname); |
| 66 |
> |
Face *f; |
| 67 |
|
|
| 68 |
|
if (mid < 0) |
| 69 |
|
return; |
| 80 |
|
void |
| 81 |
|
invertSelection(Scene *sc) |
| 82 |
|
{ |
| 83 |
< |
Face *f; |
| 83 |
> |
Face *f; |
| 84 |
|
|
| 85 |
|
for (f = sc->flist; f != NULL; f = f->next) |
| 86 |
|
f->flags ^= FACE_SELECTED; |
| 90 |
|
int |
| 91 |
|
numberSelected(Scene *sc) |
| 92 |
|
{ |
| 93 |
< |
int nsel = 0; |
| 94 |
< |
Face *f; |
| 93 |
> |
int nsel = 0; |
| 94 |
> |
Face *f; |
| 95 |
|
|
| 96 |
|
for (f = sc->flist; f != NULL; f = f->next) |
| 97 |
|
nsel += ((f->flags & FACE_SELECTED) != 0); |
| 103 |
|
foreachFace(Scene *sc, int (*cb)(Scene *, Face *, void *), |
| 104 |
|
int flreq, int flexc, void *c_data) |
| 105 |
|
{ |
| 106 |
< |
int fltest = flreq | flexc; |
| 107 |
< |
int sum = 0; |
| 108 |
< |
Face *f; |
| 106 |
> |
const int fltest = flreq | flexc; |
| 107 |
> |
int sum = 0; |
| 108 |
> |
Face *f; |
| 109 |
|
|
| 110 |
|
if ((sc == NULL) | (cb == NULL)) |
| 111 |
|
return(0); |
| 123 |
|
static int |
| 124 |
|
remFaceTexture(Scene *sc, Face *f, void *dummy) |
| 125 |
|
{ |
| 126 |
< |
int hadTexture = 0; |
| 127 |
< |
int i; |
| 126 |
> |
int hadTexture = 0; |
| 127 |
> |
int i; |
| 128 |
|
|
| 129 |
|
for (i = f->nv; i-- > 0; ) { |
| 130 |
|
if (f->v[i].tid < 0) |
| 146 |
|
static int |
| 147 |
|
remFaceNormal(Scene *sc, Face *f, void *dummy) |
| 148 |
|
{ |
| 149 |
< |
int hadNormal = 0; |
| 150 |
< |
int i; |
| 149 |
> |
int hadNormal = 0; |
| 150 |
> |
int i; |
| 151 |
|
|
| 152 |
|
for (i = f->nv; i-- > 0; ) { |
| 153 |
|
if (f->v[i].nid < 0) |
| 169 |
|
static int |
| 170 |
|
chngFaceGroup(Scene *sc, Face *f, void *ptr) |
| 171 |
|
{ |
| 172 |
< |
int grp = *(int *)ptr; |
| 172 |
> |
int grp = *(int *)ptr; |
| 173 |
> |
|
| 174 |
|
if (f->grp == grp) |
| 175 |
|
return(0); |
| 176 |
|
f->grp = grp; |
| 181 |
|
int |
| 182 |
|
changeGroup(Scene *sc, const char *gname, int flreq, int flexc) |
| 183 |
|
{ |
| 184 |
< |
int grp = findName(gname, (const char **)sc->grpname, sc->ngrps); |
| 184 |
> |
int grp = getGroupID(sc, gname); |
| 185 |
> |
|
| 186 |
|
if (grp < 0) { |
| 187 |
|
sc->grpname = chunk_alloc(char *, sc->grpname, sc->ngrps); |
| 188 |
|
sc->grpname[grp=sc->ngrps++] = savqstr((char *)gname); |
| 194 |
|
static int |
| 195 |
|
chngFaceMaterial(Scene *sc, Face *f, void *ptr) |
| 196 |
|
{ |
| 197 |
< |
int mat = *(int *)ptr; |
| 197 |
> |
int mat = *(int *)ptr; |
| 198 |
> |
|
| 199 |
|
if (f->mat == mat) |
| 200 |
|
return(0); |
| 201 |
|
f->mat = mat; |
| 206 |
|
int |
| 207 |
|
changeMaterial(Scene *sc, const char *mname, int flreq, int flexc) |
| 208 |
|
{ |
| 209 |
< |
int mat = findName(mname, (const char **)sc->matname, sc->nmats); |
| 209 |
> |
int mat = getMaterialID(sc, mname); |
| 210 |
> |
|
| 211 |
|
if (mat < 0) { |
| 212 |
|
sc->matname = chunk_alloc(char *, sc->matname, sc->nmats); |
| 213 |
|
sc->matname[mat=sc->nmats++] = savqstr((char *)mname); |
| 252 |
|
static int |
| 253 |
|
replace_vertex(Scene *sc, int prev, int repl, double eps) |
| 254 |
|
{ |
| 255 |
< |
int repl_tex[10]; |
| 256 |
< |
int repl_norm[10]; |
| 257 |
< |
Face *f, *flast=NULL; |
| 258 |
< |
int i, j=0; |
| 255 |
> |
int repl_tex[10]; |
| 256 |
> |
int repl_norm[10]; |
| 257 |
> |
Face *f, *flast=NULL; |
| 258 |
> |
int i, j=0; |
| 259 |
|
/* check to see if it's even used */ |
| 260 |
|
if (sc->vert[prev].vflist == NULL) |
| 261 |
|
return(0); |
| 263 |
|
repl_tex[0] = -1; |
| 264 |
|
for (f = sc->vert[repl].vflist; f != NULL; f = f->v[j].fnext) { |
| 265 |
|
/* make sure prev isn't in there */ |
| 266 |
< |
for (j = 0; j < f->nv; j++) |
| 266 |
> |
for (j = f->nv; j-- > 0; ) |
| 267 |
|
if (f->v[j].vid == prev) |
| 268 |
|
return(0); |
| 269 |
< |
for (j = 0; j < f->nv; j++) |
| 269 |
> |
for (j = f->nv; j-- > 0; ) |
| 270 |
|
if (f->v[j].vid == repl) |
| 271 |
|
break; |
| 272 |
< |
if (j >= f->nv) |
| 272 |
> |
if (j < 0) |
| 273 |
|
goto linkerr; |
| 274 |
|
if (f->v[j].tid < 0) |
| 275 |
|
continue; |
| 294 |
|
/* get replacement normals */ |
| 295 |
|
repl_norm[0] = -1; |
| 296 |
|
for (f = sc->vert[repl].vflist; f != NULL; f = f->v[j].fnext) { |
| 297 |
< |
for (j = 0; j < f->nv; j++) |
| 297 |
> |
for (j = f->nv; j-- > 0; ) |
| 298 |
|
if (f->v[j].vid == repl) |
| 299 |
|
break; |
| 300 |
|
if (f->v[j].nid < 0) |
| 319 |
|
} |
| 320 |
|
/* replace occurrences of vertex */ |
| 321 |
|
for (f = sc->vert[prev].vflist; f != NULL; f = f->v[j].fnext) { |
| 322 |
< |
for (j = 0; j < f->nv; j++) |
| 322 |
> |
for (j = f->nv; j-- > 0; ) |
| 323 |
|
if (f->v[j].vid == prev) |
| 324 |
|
break; |
| 325 |
< |
if (j >= f->nv) |
| 325 |
> |
if (j < 0) |
| 326 |
|
goto linkerr; |
| 327 |
|
/* XXX doesn't allow for multiple references to prev in face */ |
| 328 |
|
f->v[j].vid = repl; /* replace vertex itself */ |
| 329 |
< |
if (faceArea(sc, f, NULL) <= FTINY) |
| 329 |
> |
if (faceArea(sc, f, NULL) <= FTINY*FTINY) |
| 330 |
|
f->flags |= FACE_DEGENERATE; |
| 331 |
|
if (f->v[j].tid >= 0) /* replace texture if appropriate */ |
| 332 |
|
for (i = 0; repl_tex[i] >= 0; i++) { |
| 364 |
|
int |
| 365 |
|
coalesceVertices(Scene *sc, double eps) |
| 366 |
|
{ |
| 367 |
< |
int nelim = 0; |
| 368 |
< |
LUTAB myLookup; |
| 369 |
< |
LUENT *le; |
| 370 |
< |
char vertfmt[32], vertbuf[64]; |
| 371 |
< |
double d; |
| 372 |
< |
int i; |
| 367 |
> |
int nelim = 0; |
| 368 |
> |
LUTAB myLookup; |
| 369 |
> |
LUENT *le; |
| 370 |
> |
char vertfmt[32], vertbuf[64]; |
| 371 |
> |
double d; |
| 372 |
> |
int i; |
| 373 |
|
|
| 374 |
|
if (eps >= 1.) |
| 375 |
|
return(0); |
| 416 |
|
int |
| 417 |
|
findDuplicateFaces(Scene *sc) |
| 418 |
|
{ |
| 419 |
< |
int nchecked = 0; |
| 420 |
< |
int nfound = 0; |
| 421 |
< |
Face *f, *f1; |
| 422 |
< |
int vid; |
| 423 |
< |
int i, j; |
| 419 |
> |
int nchecked = 0; |
| 420 |
> |
int nfound = 0; |
| 421 |
> |
Face *f, *f1; |
| 422 |
> |
int vid; |
| 423 |
> |
int i, j; |
| 424 |
|
/* start fresh */ |
| 425 |
|
for (f = sc->flist; f != NULL; f = f->next) |
| 426 |
|
f->flags &= ~FACE_DUPLICATE; |
| 436 |
|
/* look for duplicates */ |
| 437 |
|
for (f1 = sc->vert[vid].vflist; f1 != NULL; |
| 438 |
|
f1 = f1->v[j].fnext) { |
| 439 |
< |
for (j = 0; j < f1->nv; j++) |
| 439 |
> |
for (j = f1->nv; j-- > 0; ) |
| 440 |
|
if (f1->v[j].vid == vid) |
| 441 |
|
break; |
| 442 |
< |
if (j >= f1->nv) |
| 442 |
> |
if (j < 0) |
| 443 |
|
break; /* missing link! */ |
| 444 |
|
if (f1 == f) |
| 445 |
|
continue; /* shouldn't happen */ |
| 464 |
|
++nfound; |
| 465 |
|
} |
| 466 |
|
} |
| 467 |
+ |
if (verbose) |
| 468 |
+ |
fprintf(stderr, "Found %d duplicate faces\n", nfound); |
| 469 |
|
return(nfound); |
| 470 |
|
} |
| 471 |
|
|
| 473 |
|
int |
| 474 |
|
deleteFaces(Scene *sc, int flreq, int flexc) |
| 475 |
|
{ |
| 476 |
< |
int fltest = flreq | flexc; |
| 477 |
< |
int orig_nfaces = sc->nfaces; |
| 478 |
< |
Face fhead; |
| 479 |
< |
Face *f, *ftst; |
| 476 |
> |
const int fltest = flreq | flexc; |
| 477 |
> |
int orig_nfaces = sc->nfaces; |
| 478 |
> |
Face fhead; |
| 479 |
> |
Face *f, *ftst; |
| 480 |
|
|
| 481 |
|
fhead.next = sc->flist; |
| 482 |
|
f = &fhead; |
| 492 |
|
continue; |
| 493 |
|
} |
| 494 |
|
while (vf != NULL) { |
| 495 |
< |
for (j = 0; j < vf->nv; j++) |
| 495 |
> |
for (j = vf->nv; j-- > 0; ) |
| 496 |
|
if (vf->v[j].vid == vid) |
| 497 |
|
break; |
| 498 |
< |
if (j >= vf->nv) |
| 498 |
> |
if (j < 0) |
| 499 |
|
break; /* error */ |
| 500 |
|
if (vf->v[j].fnext == ftst) { |
| 501 |
|
vf->v[j].fnext = |
| 553 |
|
sc->descr[sc->ndescr++] = savqstr((char *)comment); |
| 554 |
|
} |
| 555 |
|
|
| 556 |
+ |
/* Find index for comment containing the given string (starting from n) */ |
| 557 |
+ |
int |
| 558 |
+ |
findComment(Scene *sc, const char *match, int n) |
| 559 |
+ |
{ |
| 560 |
+ |
if (n >= sc->ndescr) |
| 561 |
+ |
return(-1); |
| 562 |
+ |
n *= (n > 0); |
| 563 |
+ |
while (n < sc->ndescr) |
| 564 |
+ |
if (strstr(sc->descr[n], match) != NULL) |
| 565 |
+ |
return(n); |
| 566 |
+ |
return(-1); |
| 567 |
+ |
} |
| 568 |
+ |
|
| 569 |
|
/* Clear comments */ |
| 570 |
|
void |
| 571 |
|
clearComments(Scene *sc) |
| 592 |
|
for ( ; ; ) { /* else find position */ |
| 593 |
|
if (fp == f) |
| 594 |
|
return; /* already in list */ |
| 595 |
< |
for (j = 0; j < fp->nv; j++) |
| 595 |
> |
for (j = fp->nv; j-- > 0; ) |
| 596 |
|
if (fp->v[j].vid == vid) |
| 597 |
|
break; |
| 598 |
< |
if (j >= fp->nv) |
| 598 |
> |
if (j < 0) |
| 599 |
|
error(CONSISTENCY, "Link error in add2facelist()"); |
| 600 |
|
if (fp->v[j].fnext == NULL) |
| 601 |
|
break; /* reached the end */ |
| 604 |
|
fp->v[j].fnext = f; /* append new face */ |
| 605 |
|
} |
| 606 |
|
|
| 607 |
+ |
/* Add a vertex to a scene */ |
| 608 |
+ |
int |
| 609 |
+ |
addVertex(Scene *sc, double x, double y, double z) |
| 610 |
+ |
{ |
| 611 |
+ |
sc->vert = chunk_alloc(Vertex, sc->vert, sc->nverts); |
| 612 |
+ |
sc->vert[sc->nverts].p[0] = x; |
| 613 |
+ |
sc->vert[sc->nverts].p[1] = y; |
| 614 |
+ |
sc->vert[sc->nverts].p[2] = z; |
| 615 |
+ |
sc->vert[sc->nverts].vflist = NULL; |
| 616 |
+ |
return(sc->nverts++); |
| 617 |
+ |
} |
| 618 |
+ |
|
| 619 |
+ |
/* Add a texture coordinate to a scene */ |
| 620 |
+ |
int |
| 621 |
+ |
addTexture(Scene *sc, double u, double v) |
| 622 |
+ |
{ |
| 623 |
+ |
sc->tex = chunk_alloc(TexCoord, sc->tex, sc->ntex); |
| 624 |
+ |
sc->tex[sc->ntex].u = u; |
| 625 |
+ |
sc->tex[sc->ntex].v = v; |
| 626 |
+ |
return(sc->ntex++); |
| 627 |
+ |
} |
| 628 |
+ |
|
| 629 |
+ |
/* Add a surface normal to a scene */ |
| 630 |
+ |
int |
| 631 |
+ |
addNormal(Scene *sc, double xn, double yn, double zn) |
| 632 |
+ |
{ |
| 633 |
+ |
FVECT nrm; |
| 634 |
+ |
|
| 635 |
+ |
nrm[0] = xn; nrm[1] = yn; nrm[2] = zn; |
| 636 |
+ |
if (normalize(nrm) == .0) |
| 637 |
+ |
return(-1); |
| 638 |
+ |
sc->norm = chunk_alloc(Normal, sc->norm, sc->nnorms); |
| 639 |
+ |
VCOPY(sc->norm[sc->nnorms], nrm); |
| 640 |
+ |
return(sc->nnorms++); |
| 641 |
+ |
} |
| 642 |
+ |
|
| 643 |
+ |
/* Set current (last) group */ |
| 644 |
+ |
void |
| 645 |
+ |
setGroup(Scene *sc, const char *nm) |
| 646 |
+ |
{ |
| 647 |
+ |
sc->lastgrp = getGroupID(sc, nm); |
| 648 |
+ |
if (sc->lastgrp >= 0) |
| 649 |
+ |
return; |
| 650 |
+ |
sc->grpname = chunk_alloc(char *, sc->grpname, sc->ngrps); |
| 651 |
+ |
sc->grpname[sc->lastgrp=sc->ngrps++] = savqstr((char *)nm); |
| 652 |
+ |
} |
| 653 |
+ |
|
| 654 |
+ |
/* Set current (last) material */ |
| 655 |
+ |
void |
| 656 |
+ |
setMaterial(Scene *sc, const char *nm) |
| 657 |
+ |
{ |
| 658 |
+ |
sc->lastmat = getMaterialID(sc, nm); |
| 659 |
+ |
if (sc->lastmat >= 0) |
| 660 |
+ |
return; |
| 661 |
+ |
sc->matname = chunk_alloc(char *, sc->matname, sc->nmats); |
| 662 |
+ |
sc->matname[sc->lastmat=sc->nmats++] = savqstr((char *)nm); |
| 663 |
+ |
} |
| 664 |
+ |
|
| 665 |
+ |
/* Add new face to a scene */ |
| 666 |
+ |
Face * |
| 667 |
+ |
addFace(Scene *sc, VNDX vid[], int nv) |
| 668 |
+ |
{ |
| 669 |
+ |
Face *f; |
| 670 |
+ |
int i; |
| 671 |
+ |
|
| 672 |
+ |
if (nv < 3) |
| 673 |
+ |
return(NULL); |
| 674 |
+ |
f = (Face *)emalloc(sizeof(Face)+sizeof(VertEnt)*(nv-3)); |
| 675 |
+ |
f->flags = 0; |
| 676 |
+ |
f->nv = nv; |
| 677 |
+ |
f->grp = sc->lastgrp; |
| 678 |
+ |
f->mat = sc->lastmat; |
| 679 |
+ |
for (i = 0; i < nv; i++) { /* add each vertex */ |
| 680 |
+ |
int j; |
| 681 |
+ |
f->v[i].vid = vid[i][0]; |
| 682 |
+ |
f->v[i].tid = vid[i][1]; |
| 683 |
+ |
f->v[i].nid = vid[i][2]; |
| 684 |
+ |
f->v[i].fnext = NULL; |
| 685 |
+ |
for (j = i; j-- > 0; ) |
| 686 |
+ |
if (f->v[j].vid == vid[i][0]) |
| 687 |
+ |
break; |
| 688 |
+ |
if (j < 0) { /* first occurrence? */ |
| 689 |
+ |
f->v[i].fnext = sc->vert[vid[i][0]].vflist; |
| 690 |
+ |
sc->vert[vid[i][0]].vflist = f; |
| 691 |
+ |
} else if (nv == 3) /* degenerate triangle? */ |
| 692 |
+ |
f->flags |= FACE_DEGENERATE; |
| 693 |
+ |
} |
| 694 |
+ |
f->next = sc->flist; /* push onto face list */ |
| 695 |
+ |
sc->flist = f; |
| 696 |
+ |
sc->nfaces++; |
| 697 |
+ |
/* check face area */ |
| 698 |
+ |
if (!(f->flags & FACE_DEGENERATE) && faceArea(sc, f, NULL) <= FTINY*FTINY) |
| 699 |
+ |
f->flags |= FACE_DEGENERATE; |
| 700 |
+ |
return(f); |
| 701 |
+ |
} |
| 702 |
+ |
|
| 703 |
|
/* Allocate an empty scene */ |
| 704 |
|
Scene * |
| 705 |
|
newScene(void) |
| 706 |
|
{ |
| 707 |
< |
Scene *sc = (Scene *)ecalloc(1, sizeof(Scene)); |
| 707 |
> |
Scene *sc = (Scene *)ecalloc(1, sizeof(Scene)); |
| 708 |
|
/* default group & material */ |
| 709 |
|
sc->grpname = chunk_alloc(char *, sc->grpname, sc->ngrps); |
| 710 |
|
sc->grpname[sc->ngrps++] = savqstr("DEFAULT_GROUP"); |
| 714 |
|
return(sc); |
| 715 |
|
} |
| 716 |
|
|
| 717 |
< |
/* Duplicate a scene */ |
| 717 |
> |
/* Duplicate a scene, optionally selecting faces */ |
| 718 |
|
Scene * |
| 719 |
< |
dupScene(const Scene *osc) |
| 719 |
> |
dupScene(const Scene *osc, int flreq, int flexc) |
| 720 |
|
{ |
| 721 |
+ |
int fltest = flreq | flexc; |
| 722 |
|
Scene *sc; |
| 723 |
|
const Face *fo; |
| 724 |
|
Face *f; |
| 729 |
|
sc = newScene(); |
| 730 |
|
for (i = 0; i < osc->ndescr; i++) |
| 731 |
|
addComment(sc, osc->descr[i]); |
| 732 |
< |
if (osc->ngrps) { |
| 733 |
< |
sc->grpname = (char **)emalloc(sizeof(char *) * |
| 734 |
< |
(osc->ngrps+(CHUNKSIZ-1))); |
| 735 |
< |
for (i = 0; i < osc->ngrps; i++) |
| 732 |
> |
if (osc->ngrps > 1) { |
| 733 |
> |
sc->grpname = (char **)erealloc((char *)sc->grpname, |
| 734 |
> |
sizeof(char *) * (osc->ngrps+(CHUNKSIZ-1))); |
| 735 |
> |
for (i = 1; i < osc->ngrps; i++) |
| 736 |
|
sc->grpname[i] = savqstr(osc->grpname[i]); |
| 737 |
|
sc->ngrps = osc->ngrps; |
| 738 |
|
} |
| 739 |
< |
if (osc->nmats) { |
| 740 |
< |
sc->matname = (char **)emalloc(sizeof(char *) * |
| 741 |
< |
(osc->nmats+(CHUNKSIZ-1))); |
| 742 |
< |
for (i = 0; i < osc->nmats; i++) |
| 739 |
> |
if (osc->nmats > 1) { |
| 740 |
> |
sc->matname = (char **)erealloc((char *)sc->matname, |
| 741 |
> |
sizeof(char *) * (osc->nmats+(CHUNKSIZ-1))); |
| 742 |
> |
for (i = 1; i < osc->nmats; i++) |
| 743 |
|
sc->matname[i] = savqstr(osc->matname[i]); |
| 744 |
|
sc->nmats = osc->nmats; |
| 745 |
|
} |
| 746 |
|
if (osc->nverts) { |
| 747 |
|
sc->vert = (Vertex *)emalloc(sizeof(Vertex) * |
| 748 |
|
(osc->nverts+(CHUNKSIZ-1))); |
| 749 |
< |
memcpy((void *)sc->vert, (const void *)osc->vert, |
| 634 |
< |
sizeof(Vertex)*osc->nverts); |
| 749 |
> |
memcpy(sc->vert, osc->vert, sizeof(Vertex)*osc->nverts); |
| 750 |
|
sc->nverts = osc->nverts; |
| 751 |
|
for (i = 0; i < sc->nverts; i++) |
| 752 |
|
sc->vert[i].vflist = NULL; |
| 754 |
|
if (osc->ntex) { |
| 755 |
|
sc->tex = (TexCoord *)emalloc(sizeof(TexCoord) * |
| 756 |
|
(osc->ntex+(CHUNKSIZ-1))); |
| 757 |
< |
memcpy((void *)sc->tex, (const void *)osc->tex, |
| 643 |
< |
sizeof(TexCoord)*osc->ntex); |
| 757 |
> |
memcpy(sc->tex, osc->tex, sizeof(TexCoord)*osc->ntex); |
| 758 |
|
sc->ntex = osc->ntex; |
| 759 |
|
} |
| 760 |
|
if (osc->nnorms) { |
| 761 |
|
sc->norm = (Normal *)emalloc(sizeof(Normal) * |
| 762 |
|
(osc->nnorms+CHUNKSIZ)); |
| 763 |
< |
memcpy((void *)sc->norm, (const void *)osc->norm, |
| 650 |
< |
sizeof(Normal)*osc->nnorms); |
| 763 |
> |
memcpy(sc->norm, osc->norm, sizeof(Normal)*osc->nnorms); |
| 764 |
|
sc->nnorms = osc->nnorms; |
| 765 |
|
} |
| 766 |
|
for (fo = osc->flist; fo != NULL; fo = fo->next) { |
| 767 |
< |
f = (Face *)emalloc(sizeof(Face) + |
| 768 |
< |
sizeof(VertEnt)*(fo->nv-3)); |
| 769 |
< |
memcpy((void *)f, (const void *)fo, sizeof(Face) + |
| 770 |
< |
sizeof(VertEnt)*(fo->nv-3)); |
| 767 |
> |
if ((fo->flags & fltest) != flreq) |
| 768 |
> |
continue; |
| 769 |
> |
f = (Face *)emalloc(sizeof(Face) + sizeof(VertEnt)*(fo->nv-3)); |
| 770 |
> |
memcpy(f, fo, sizeof(Face) + sizeof(VertEnt)*(fo->nv-3)); |
| 771 |
|
for (i = 0; i < f->nv; i++) |
| 772 |
|
add2facelist(sc, f, i); |
| 773 |
|
f->next = sc->flist; |
| 774 |
|
sc->flist = f; |
| 775 |
|
sc->nfaces++; |
| 776 |
|
} |
| 777 |
+ |
deleteUnreferenced(sc); /* jetsam */ |
| 778 |
|
return(sc); |
| 779 |
|
} |
| 780 |
|
|
| 781 |
+ |
/* Add one scene to another, not checking for redundancies */ |
| 782 |
+ |
int |
| 783 |
+ |
addScene(Scene *scdst, const Scene *scsrc) |
| 784 |
+ |
{ |
| 785 |
+ |
VNDX my_vlist[4]; |
| 786 |
+ |
int *vert_map = NULL; |
| 787 |
+ |
int *norm_map = NULL; |
| 788 |
+ |
int *tex_map = NULL; |
| 789 |
+ |
VNDX *vlist = my_vlist; |
| 790 |
+ |
int vllen = sizeof(my_vlist)/sizeof(VNDX); |
| 791 |
+ |
int cur_mat = 0; |
| 792 |
+ |
int cur_grp = 0; |
| 793 |
+ |
int fcnt = 0; |
| 794 |
+ |
const Face *f; |
| 795 |
+ |
int i; |
| 796 |
+ |
|
| 797 |
+ |
if ((scdst == NULL) | (scsrc == NULL)) |
| 798 |
+ |
return(-1); |
| 799 |
+ |
if (scsrc->nfaces <= 0) |
| 800 |
+ |
return(0); |
| 801 |
+ |
/* map vertices */ |
| 802 |
+ |
vert_map = (int *)emalloc(sizeof(int *)*scsrc->nverts); |
| 803 |
+ |
for (i = 0; i < scsrc->nverts; i++) { |
| 804 |
+ |
const Vertex *v = scsrc->vert + i; |
| 805 |
+ |
if (v->vflist == NULL) { |
| 806 |
+ |
vert_map[i] = -1; |
| 807 |
+ |
continue; |
| 808 |
+ |
} |
| 809 |
+ |
vert_map[i] = addVertex(scdst, v->p[0], v->p[1], v->p[2]); |
| 810 |
+ |
} |
| 811 |
+ |
if (scsrc->ntex > 0) /* map texture coords */ |
| 812 |
+ |
tex_map = (int *)emalloc(sizeof(int *)*scsrc->ntex); |
| 813 |
+ |
for (i = 0; i < scsrc->ntex; i++) { |
| 814 |
+ |
const TexCoord *t = scsrc->tex + i; |
| 815 |
+ |
tex_map[i] = addTexture(scdst, t->u, t->v); |
| 816 |
+ |
} |
| 817 |
+ |
if (scsrc->nnorms > 0) /* map normals */ |
| 818 |
+ |
norm_map = (int *)emalloc(sizeof(int *)*scsrc->nnorms); |
| 819 |
+ |
for (i = 0; i < scsrc->nnorms; i++) { |
| 820 |
+ |
const float *n = scsrc->norm[i]; |
| 821 |
+ |
norm_map[i] = addNormal(scdst, n[0], n[1], n[2]); |
| 822 |
+ |
} |
| 823 |
+ |
/* add faces */ |
| 824 |
+ |
scdst->lastgrp = scdst->lastmat = 0; |
| 825 |
+ |
for (f = scsrc->flist; f != NULL; f = f->next) { |
| 826 |
+ |
if (f->grp != cur_grp) |
| 827 |
+ |
setGroup(scdst, scsrc->grpname[cur_grp = f->grp]); |
| 828 |
+ |
if (f->mat != cur_mat) |
| 829 |
+ |
setMaterial(scdst, scsrc->matname[cur_mat = f->mat]); |
| 830 |
+ |
if (f->nv > vllen) { |
| 831 |
+ |
if (vlist == my_vlist) |
| 832 |
+ |
vlist = (VNDX *)emalloc( |
| 833 |
+ |
sizeof(VNDX)*(vllen = f->nv)); |
| 834 |
+ |
else |
| 835 |
+ |
vlist = (VNDX *)erealloc((char *)vlist, |
| 836 |
+ |
sizeof(VNDX)*(vllen = f->nv)); |
| 837 |
+ |
} |
| 838 |
+ |
memset(vlist, 0xff, sizeof(VNDX)*f->nv); |
| 839 |
+ |
for (i = f->nv; i-- > 0; ) { |
| 840 |
+ |
if (f->v[i].vid >= 0) |
| 841 |
+ |
vlist[i][0] = vert_map[f->v[i].vid]; |
| 842 |
+ |
if (f->v[i].tid >= 0) |
| 843 |
+ |
vlist[i][1] = tex_map[f->v[i].tid]; |
| 844 |
+ |
if (f->v[i].nid >= 0) |
| 845 |
+ |
vlist[i][2] = norm_map[f->v[i].nid]; |
| 846 |
+ |
} |
| 847 |
+ |
fcnt += (addFace(scdst, vlist, f->nv) != NULL); |
| 848 |
+ |
} |
| 849 |
+ |
/* clean up */ |
| 850 |
+ |
if (vlist != my_vlist) efree((char *)vlist); |
| 851 |
+ |
if (norm_map != NULL) efree((char *)norm_map); |
| 852 |
+ |
if (tex_map != NULL) efree((char *)tex_map); |
| 853 |
+ |
efree((char *)vert_map); |
| 854 |
+ |
return(fcnt); |
| 855 |
+ |
} |
| 856 |
+ |
|
| 857 |
+ |
#define MAXAC 100 |
| 858 |
+ |
|
| 859 |
|
/* Transform entire scene */ |
| 860 |
|
int |
| 861 |
|
xfScene(Scene *sc, int xac, char *xav[]) |
| 862 |
|
{ |
| 863 |
+ |
char comm[24+MAXAC*8]; |
| 864 |
+ |
char *cp; |
| 865 |
|
XF myxf; |
| 866 |
|
FVECT vec; |
| 867 |
|
int i; |
| 884 |
|
vec[0] /= myxf.sca; vec[1] /= myxf.sca; vec[2] /= myxf.sca; |
| 885 |
|
VCOPY(sc->norm[i], vec); |
| 886 |
|
} |
| 887 |
+ |
/* add comment */ |
| 888 |
+ |
cp = strcpy(comm, "Transformed by:"); |
| 889 |
+ |
for (i = 0; i < xac; i++) { |
| 890 |
+ |
while (*cp) cp++; |
| 891 |
+ |
*cp++ = ' '; |
| 892 |
+ |
strcpy(cp, xav[i]); |
| 893 |
+ |
} |
| 894 |
+ |
addComment(sc, comm); |
| 895 |
|
return(xac); /* all done */ |
| 896 |
|
} |
| 897 |
|
|
| 898 |
|
/* Ditto, using transform string rather than pre-parsed words */ |
| 697 |
– |
#define MAXAC 100 |
| 899 |
|
int |
| 900 |
|
xfmScene(Scene *sc, const char *xfm) |
| 901 |
|
{ |
| 910 |
|
if (!*xfm) |
| 911 |
|
return(0); |
| 912 |
|
/* parse string into words */ |
| 913 |
< |
xav[0] = strcpy((char *)malloc(strlen(xfm)+1), xfm); |
| 913 |
> |
xav[0] = strcpy((char *)emalloc(strlen(xfm)+1), xfm); |
| 914 |
|
xac = 1; i = 0; |
| 915 |
|
for ( ; ; ) { |
| 916 |
|
while (!isspace(xfm[++i])) |
| 928 |
|
} |
| 929 |
|
xav[xac] = NULL; |
| 930 |
|
i = xfScene(sc, xac, xav); |
| 931 |
< |
free(xav[0]); |
| 931 |
> |
efree((char *)xav[0]); |
| 932 |
|
return(i); |
| 933 |
|
} |
| 934 |
|
#undef MAXAC |
| 935 |
+ |
|
| 936 |
+ |
/* Delete unreferenced vertices, normals, texture coords */ |
| 937 |
+ |
void |
| 938 |
+ |
deleteUnreferenced(Scene *sc) |
| 939 |
+ |
{ |
| 940 |
+ |
int *vmap; |
| 941 |
+ |
Face *f; |
| 942 |
+ |
int nused, i; |
| 943 |
+ |
/* allocate index map */ |
| 944 |
+ |
if (!sc->nverts) |
| 945 |
+ |
return; |
| 946 |
+ |
i = sc->nverts; |
| 947 |
+ |
if (sc->ntex > i) |
| 948 |
+ |
i = sc->ntex; |
| 949 |
+ |
if (sc->nnorms > i) |
| 950 |
+ |
i = sc->nnorms; |
| 951 |
+ |
vmap = (int *)emalloc(sizeof(int)*i); |
| 952 |
+ |
/* remap positions */ |
| 953 |
+ |
for (i = nused = 0; i < sc->nverts; i++) { |
| 954 |
+ |
if (sc->vert[i].vflist == NULL) { |
| 955 |
+ |
vmap[i] = -1; |
| 956 |
+ |
continue; |
| 957 |
+ |
} |
| 958 |
+ |
if (nused != i) |
| 959 |
+ |
sc->vert[nused] = sc->vert[i]; |
| 960 |
+ |
vmap[i] = nused++; |
| 961 |
+ |
} |
| 962 |
+ |
if (nused == sc->nverts) |
| 963 |
+ |
goto skip_pos; |
| 964 |
+ |
sc->vert = (Vertex *)erealloc((char *)sc->vert, |
| 965 |
+ |
sizeof(Vertex)*(nused+(CHUNKSIZ-1))); |
| 966 |
+ |
sc->nverts = nused; |
| 967 |
+ |
for (f = sc->flist; f != NULL; f = f->next) |
| 968 |
+ |
for (i = f->nv; i--; ) |
| 969 |
+ |
if ((f->v[i].vid = vmap[f->v[i].vid]) < 0) |
| 970 |
+ |
error(CONSISTENCY, |
| 971 |
+ |
"Link error in del_unref_verts()"); |
| 972 |
+ |
skip_pos: |
| 973 |
+ |
/* remap texture coord's */ |
| 974 |
+ |
if (!sc->ntex) |
| 975 |
+ |
goto skip_tex; |
| 976 |
+ |
memset((void *)vmap, 0, sizeof(int)*sc->ntex); |
| 977 |
+ |
for (f = sc->flist; f != NULL; f = f->next) |
| 978 |
+ |
for (i = f->nv; i--; ) |
| 979 |
+ |
if (f->v[i].tid >= 0) |
| 980 |
+ |
vmap[f->v[i].tid] = 1; |
| 981 |
+ |
for (i = nused = 0; i < sc->ntex; i++) { |
| 982 |
+ |
if (!vmap[i]) |
| 983 |
+ |
continue; |
| 984 |
+ |
if (nused != i) |
| 985 |
+ |
sc->tex[nused] = sc->tex[i]; |
| 986 |
+ |
vmap[i] = nused++; |
| 987 |
+ |
} |
| 988 |
+ |
if (nused == sc->ntex) |
| 989 |
+ |
goto skip_tex; |
| 990 |
+ |
sc->tex = (TexCoord *)erealloc((char *)sc->tex, |
| 991 |
+ |
sizeof(TexCoord)*(nused+(CHUNKSIZ-1))); |
| 992 |
+ |
sc->ntex = nused; |
| 993 |
+ |
for (f = sc->flist; f != NULL; f = f->next) |
| 994 |
+ |
for (i = f->nv; i--; ) |
| 995 |
+ |
if (f->v[i].tid >= 0) |
| 996 |
+ |
f->v[i].tid = vmap[f->v[i].tid]; |
| 997 |
+ |
skip_tex: |
| 998 |
+ |
/* remap normals */ |
| 999 |
+ |
if (!sc->nnorms) |
| 1000 |
+ |
goto skip_norms; |
| 1001 |
+ |
memset((void *)vmap, 0, sizeof(int)*sc->nnorms); |
| 1002 |
+ |
for (f = sc->flist; f != NULL; f = f->next) |
| 1003 |
+ |
for (i = f->nv; i--; ) |
| 1004 |
+ |
if (f->v[i].nid >= 0) |
| 1005 |
+ |
vmap[f->v[i].nid] = 1; |
| 1006 |
+ |
for (i = nused = 0; i < sc->nnorms; i++) { |
| 1007 |
+ |
if (!vmap[i]) |
| 1008 |
+ |
continue; |
| 1009 |
+ |
if (nused != i) |
| 1010 |
+ |
memcpy(sc->norm[nused], sc->norm[i], sizeof(Normal)); |
| 1011 |
+ |
vmap[i] = nused++; |
| 1012 |
+ |
} |
| 1013 |
+ |
if (nused == sc->nnorms) |
| 1014 |
+ |
goto skip_norms; |
| 1015 |
+ |
sc->norm = (Normal *)erealloc((char *)sc->norm, |
| 1016 |
+ |
sizeof(Normal)*(nused+(CHUNKSIZ-1))); |
| 1017 |
+ |
sc->nnorms = nused; |
| 1018 |
+ |
for (f = sc->flist; f != NULL; f = f->next) |
| 1019 |
+ |
for (i = f->nv; i--; ) |
| 1020 |
+ |
if (f->v[i].nid >= 0) |
| 1021 |
+ |
f->v[i].nid = vmap[f->v[i].nid]; |
| 1022 |
+ |
skip_norms: |
| 1023 |
+ |
/* clean up */ |
| 1024 |
+ |
efree((char *)vmap); |
| 1025 |
+ |
} |
| 1026 |
|
|
| 1027 |
|
/* Free a scene */ |
| 1028 |
|
void |
