MStatus updateTCCDataFty::remapMeshData(MFnMesh &meshFn)
{
MIntArray o_nFV, o_F;
meshFn.getVertices(o_nFV, o_F);
size_t o_nF = o_nFV.length();
size_t o_nHE = o_F.length();
size_t o_nV = meshFn.numVertices();
MIntArray o_F2H(o_nF); // maps face index to halfedge index
{
size_t kS=0;
for (size_t k=0; k<o_nF; k++)
{
o_F2H[k] = kS;
kS+=o_nFV[k];
}
}
size_t nF = fPolyOrder.length();
size_t nHE = compute_nHE(fPolyOrder, o_nFV, fDelta_nFV);
size_t nV = fnV;
HalfedgeData he(o_nHE, nHE);
VertexData v(o_nV, nV);
MFloatPointArray V(nV);
MIntArray nFV(nF);
MIntArray F(nHE);
get_vertex_blindData(meshFn, v);
get_halfedge_blindData(meshFn, he);
// add old/new faces in the order given by fPolyOrder and remap their halfedge data (if exists)
size_t delta_kF = 0, delta_kHE=0;
size_t kF = 0, kHE = 0;
for (size_t k=0; k<fPolyOrder.length(); k++)
{
if (fPolyOrder[k]>=0)
{
size_t cF = fPolyOrder[k], cnFV = o_nFV[cF];
size_t o_cF2H = o_F2H[cF];
size_t cShift = fCShift[cF];
for (size_t kFV=0; kFV<cnFV; kFV++)
{
size_t o_kHE = o_cF2H + ((kFV + cShift) % cnFV);
F[kHE] = fVtxRemap[o_F[o_kHE]];
remap_HalfedgeData(he, o_kHE, kHE);
kHE++;
}
nFV[kF] = cnFV;
kF++;
}
else // this is a new face
{
size_t cnFV = fDelta_nFV[delta_kF];
delta_kF++;
for (size_t kFV=0; kFV<cnFV; kFV++)
{
F[kHE] = fDelta_F[delta_kHE];
kHE++;
delta_kHE++;
}
nFV[kF] = cnFV;
kF++;
}
}
// remap vertex data
for (size_t k=0; k<o_nV; k++)
{
if (fVtxRemap[k]>=0)
{
remap_VertexData(v, k, fVtxRemap[k]);
}
}
MStatus stat = meshFn.createInPlace(nV, nF, V, nFV, F);
if (stat != MS::kSuccess)
{
std::cerr<<"createInPlace failed"<<endl;
std::cerr<<stat.errorString()<<endl;
}
update_tags(nFV, F, v, he);
set_vertex_blindData(meshFn, v);
set_halfedge_blindData(meshFn, he);
return stat;
}
