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corrected order of operations of decrease-increase valencies

This commit is contained in:
Nico Pietroni 2009-10-14 15:15:32 +00:00
parent 8c67be5617
commit 01f772d7f8
1 changed files with 30 additions and 5 deletions
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35
vcg/complex/trimesh/bitquad_support.h
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@ -370,7 +370,7 @@ static bool RotateVertex(FaceType &f, int w0, MeshType &m, Pos *affected=NULL)
if (pf->IsF(j))
{ pf->ClearF(j); IncreaseValency(pf->V1(j)); }
else
{ pf->SetF(j); DecreaseValency(pf, (j+1)%3, m); }
{ pf->SetF(j); DecreaseValencySimple(pf->V1(j),1); }
j = (j+2)%3;
if (pf->IsF(j)) pf->ClearF(j); else pf->SetF(j);
@ -797,6 +797,21 @@ static bool CollapseDiag(FaceType &f, ScalarType interpol, MeshType& m, Pos* aff
// rotate around vb, (same-sense-as-face)-wise
int pi = fauxb;
FaceType* pf = fb; /* pf, pi could be put in a Pos<FaceType> p(pb, fauxb) */
do {
//pf->V(pi) = va;
if (((pf->V2(pi) == va)||(pf->V1(pi) == va))
&&(pf!=fa)&&(pf!=fb))
return false;
pi=(pi+2)%3;
FaceType *t = pf->FFp(pi);
if (t==pf) { border= true; break; }
pi = pf->FFi(pi);
pf = t;
} while ((pf!=fb));
pi = fauxb;
pf = fb;
do {
pf->V(pi) = va;
@ -827,14 +842,15 @@ static bool CollapseDiag(FaceType &f, ScalarType interpol, MeshType& m, Pos* aff
// update FF, delete faces
_CollapseDiagHalf(*fb, fauxb, m);
_CollapseDiagHalf(*fa, fauxa, m);
SetValency(va, GetValency(va)+val-2);
DecreaseValency(fb,(fauxb+2)%3,m); // update valency
DecreaseValency(fa,(fauxa+2)%3,m); // update valency
Allocator<MeshType>::DeleteFace(m,*fa);
Allocator<MeshType>::DeleteFace(m,*fb);
//assert(val == GetValency(vb));
SetValency(va, GetValency(va)+val-2);
DecreaseValencyNoSingletTest(vb, val, m);
// note: don't directly kill vb. In non-twomanifold, it could still be referecned
@ -932,6 +948,11 @@ static void DecreaseValencyNoSingletTest(VertexType *v, int dv, MeshType &m){
if (val==0) Allocator<MeshType>::DeleteVertex(m,*v);
}
static void DecreaseValencySimple(VertexType *v, int dv){
int val = GetValency(v)-dv;
SetValency( v, val );
}
static void UpdateValencyInFlags(MeshType& m){
for (VertexIterator vi = m.vert.begin(); vi!=m.vert.end(); vi++) if (!vi->IsD()) {
SetValency(&*vi,0);
@ -956,11 +977,15 @@ static void UpdateValencyInQuality(MeshType& m){
static bool HasConsistentValencyFlag(MeshType &m) {
UpdateValencyInQuality(m);
bool isok=true;
for (FaceIterator fi = m.face.begin(); fi!=m.face.end(); fi++) if (!fi->IsD()) {
for (int k=0; k<3; k++)
if (GetValency(fi->V(k))!=fi->V(k)->Q()) return false;
if (GetValency(fi->V(k))!=fi->V(k)->Q()){
MarkFaceF(&*fi);
isok=false;
}
}
return true;
return isok;
}
// helper function: