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BMesh: use MPoly rather than MFace in multiresModifier_base_apply

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This commit is contained in:
Nicholas Bishop 2012-02-28 03:54:31 +00:00
parent b2a4fca761
commit bfc331dd75
1 changed files with 33 additions and 21 deletions
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54
source/blender/blenkernel/intern/multires.c
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@ -503,7 +503,7 @@ void multiresModifier_base_apply(MultiresModifierData *mmd, Object *ob)
{
DerivedMesh *cddm, *dispdm, *origdm;
Mesh *me;
ListBase *fmap;
ListBase *pmap;
float (*origco)[3];
int i, j, offset, totlvl;
@ -533,7 +533,7 @@ void multiresModifier_base_apply(MultiresModifierData *mmd, Object *ob)
/* heuristic to produce a better-fitting base mesh */
cddm = CDDM_from_mesh(me, NULL);
fmap = cddm->getFaceMap(ob, cddm);
pmap = cddm->getPolyMap(ob, cddm);
origco = MEM_callocN(sizeof(float)*3*me->totvert, "multires apply base origco");
for (i = 0; i < me->totvert ;++i)
copy_v3_v3(origco[i], me->mvert[i].co);
@ -544,18 +544,17 @@ void multiresModifier_base_apply(MultiresModifierData *mmd, Object *ob)
float dist;
int tot;
/* don't adjust verts not used by at least one face */
if (!fmap[i].first)
/* don't adjust verts not used by at least one poly */
if (!pmap[i].first)
continue;
/* find center */
for (n = fmap[i].first, tot = 0; n; n = n->next) {
MFace *f = &me->mface[n->index];
int S = f->v4 ? 4 : 3;
for (n = pmap[i].first, tot = 0; n; n = n->next) {
const MPoly *p = &me->mpoly[n->index];
/* this double counts, not sure if that's bad or good */
for (j = 0; j < S; ++j) {
int vndx = (&f->v1)[j];
for (j = 0; j < p->totloop; ++j) {
int vndx = me->mloop[p->loopstart + j].v;
if (vndx != i) {
add_v3_v3(center, origco[vndx]);
++tot;
@ -565,23 +564,36 @@ void multiresModifier_base_apply(MultiresModifierData *mmd, Object *ob)
mul_v3_fl(center, 1.0f / tot);
/* find normal */
for (n = fmap[i].first; n; n = n->next) {
MFace *f = &me->mface[n->index];
int S = f->v4 ? 4 : 3;
float v[4][3], no[3];
for (n = pmap[i].first; n; n = n->next) {
const MPoly *p = &me->mpoly[n->index];
MPoly fake_poly;
MLoop *fake_loops;
float (*fake_co)[3];
float no[3];
/* set up poly, loops, and coords in order to call
mesh_calc_poly_normal_coords() */
fake_poly.totloop = p->totloop;
fake_poly.loopstart = 0;
fake_loops = MEM_mallocN(sizeof(MLoop) * p->totloop, "fake_loops");
fake_co = MEM_mallocN(sizeof(float) * 3 * p->totloop, "fake_co");
for (j = 0; j < S; ++j) {
int vndx = (&f->v1)[j];
for (j = 0; j < p->totloop; ++j) {
int vndx = me->mloop[p->loopstart + j].v;
fake_loops[j].v = j;
if (vndx == i)
copy_v3_v3(v[j], center);
copy_v3_v3(fake_co[j], center);
else
copy_v3_v3(v[j], origco[vndx]);
copy_v3_v3(fake_co[j], origco[vndx]);
}
if (S == 4)
normal_quad_v3(no, v[0], v[1], v[2], v[3]);
else
normal_tri_v3(no, v[0], v[1], v[2]);
mesh_calc_poly_normal_coords(&fake_poly, fake_loops,
(const float(*)[3])fake_co, no);
MEM_freeN(fake_loops);
MEM_freeN(fake_co);
add_v3_v3(avg_no, no);
}
normalize_v3(avg_no);