bool WingedEdgeBuilder::buildWShape(WShape& shape, IndexedFaceSet& ifs)
{
unsigned int vsize = ifs.vsize();
unsigned int nsize = ifs.nsize();
//soc unused - unsigned tsize = ifs.tsize();
const real *vertices = ifs.vertices();
const real *normals = ifs.normals();
const real *texCoords = ifs.texCoords();
real *new_vertices;
real *new_normals;
new_vertices = new real[vsize];
new_normals = new real[nsize];
// transform coordinates from local to world system
if (_current_matrix) {
transformVertices(vertices, vsize, *_current_matrix, new_vertices);
transformNormals(normals, nsize, *_current_matrix, new_normals);
}
else {
memcpy(new_vertices, vertices, vsize * sizeof(*new_vertices));
memcpy(new_normals, normals, nsize * sizeof(*new_normals));
}
const IndexedFaceSet::TRIANGLES_STYLE *faceStyle = ifs.trianglesStyle();
vector<FrsMaterial> frs_materials;
if (ifs.msize()) {
const FrsMaterial *const *mats = ifs.frs_materials();
for (unsigned i = 0; i < ifs.msize(); ++i)
frs_materials.push_back(*(mats[i]));
shape.setFrsMaterials(frs_materials);
}
#if 0
const FrsMaterial *mat = (ifs.frs_material());
if (mat)
shape.setFrsMaterial(*mat);
else if (_current_frs_material)
shape.setFrsMaterial(*_current_frs_material);
#endif
const IndexedFaceSet::FaceEdgeMark *faceEdgeMarks = ifs.faceEdgeMarks();
// sets the current WShape to shape
_current_wshape = &shape;
// create a WVertex for each vertex
buildWVertices(shape, new_vertices, vsize);
const unsigned int *vindices = ifs.vindices();
const unsigned int *nindices = ifs.nindices();
const unsigned int *tindices = NULL;
if (ifs.tsize()) {
tindices = ifs.tindices();
}
const unsigned int *mindices = NULL;
if (ifs.msize())
mindices = ifs.mindices();
const unsigned int *numVertexPerFace = ifs.numVertexPerFaces();
const unsigned int numfaces = ifs.numFaces();
for (unsigned int index = 0; index < numfaces; index++) {
switch (faceStyle[index]) {
case IndexedFaceSet::TRIANGLE_STRIP:
buildTriangleStrip(new_vertices, new_normals, frs_materials, texCoords, faceEdgeMarks, vindices,
nindices, mindices, tindices, numVertexPerFace[index]);
break;
case IndexedFaceSet::TRIANGLE_FAN:
buildTriangleFan(new_vertices, new_normals, frs_materials, texCoords, faceEdgeMarks, vindices,
nindices, mindices, tindices, numVertexPerFace[index]);
break;
case IndexedFaceSet::TRIANGLES:
buildTriangles(new_vertices, new_normals, frs_materials, texCoords, faceEdgeMarks, vindices,
nindices, mindices, tindices, numVertexPerFace[index]);
break;
}
vindices += numVertexPerFace[index];
nindices += numVertexPerFace[index];
if (mindices)
mindices += numVertexPerFace[index];
if (tindices)
tindices += numVertexPerFace[index];
faceEdgeMarks++;
}
delete[] new_vertices;
delete[] new_normals;
if (shape.GetFaceList().size() == 0) // this may happen due to degenerate triangles
return false;
// compute bbox
shape.ComputeBBox();
// compute mean edge size:
shape.ComputeMeanEdgeSize();
// Parse the built winged-edge shape to update post-flags
set<Vec3r> normalsSet;
vector<WVertex *>& wvertices = shape.getVertexList();
for (vector<WVertex *>::iterator wv = wvertices.begin(), wvend = wvertices.end(); wv != wvend; ++wv) {
if ((*wv)->isBoundary())
continue;
if ((*wv)->GetEdges().size() == 0) // This means that the WVertex has no incoming edges... (12-Sep-2011 T.K.)
continue;
normalsSet.clear();
WVertex::face_iterator fit = (*wv)->faces_begin();
WVertex::face_iterator fitend = (*wv)->faces_end();
for (; fit != fitend; ++fit) {
WFace *face = *fit;
normalsSet.insert(face->GetVertexNormal(*wv));
if (normalsSet.size() != 1) {
break;
}
}
if (normalsSet.size() != 1) {
(*wv)->setSmooth(false);
}
}
// Adds the new WShape to the WingedEdge structure
_winged_edge->addWShape(&shape);
return true;
}
IndexedFaceSet::IndexedFaceSet(const IndexedFaceSet& iBrother) : Rep(iBrother)
{
_VSize = iBrother.vsize();
_Vertices = new float[_VSize];
memcpy(_Vertices, iBrother.vertices(), _VSize * sizeof(float));
_NSize = iBrother.nsize();
_Normals = new float[_NSize];
memcpy(_Normals, iBrother.normals(), _NSize * sizeof(float));
_MSize = iBrother.msize();
if (_MSize) {
_FrsMaterials = new FrsMaterial * [_MSize];
for (unsigned int i = 0; i < _MSize; ++i) {
_FrsMaterials[i] = new FrsMaterial(*(iBrother._FrsMaterials[i]));
}
}
else {
_FrsMaterials = 0;
}
_TSize = iBrother.tsize();
_TexCoords = 0;
if (_TSize) {
_TexCoords = new float[_TSize];
memcpy(_TexCoords, iBrother.texCoords(), _TSize * sizeof(float));
}
_NumFaces = iBrother.numFaces();
_NumVertexPerFace = new unsigned[_NumFaces];
memcpy(_NumVertexPerFace, iBrother.numVertexPerFaces(), _NumFaces * sizeof(unsigned));
_FaceStyle = new TRIANGLES_STYLE[_NumFaces];
memcpy(_FaceStyle, iBrother.trianglesStyle(), _NumFaces * sizeof(TRIANGLES_STYLE));
_FaceEdgeMarks = new FaceEdgeMark[_NumFaces];
memcpy(_FaceEdgeMarks, iBrother.faceEdgeMarks(), _NumFaces * sizeof(FaceEdgeMark));
_VISize = iBrother.visize();
_VIndices = new unsigned[_VISize];
memcpy(_VIndices, iBrother.vindices(), _VISize * sizeof(unsigned));
_NISize = iBrother.nisize();
_NIndices = new unsigned[_NISize];
memcpy(_NIndices, iBrother.nindices(), _NISize * sizeof(unsigned));
_MISize = iBrother.misize();
if (_MISize) {
_MIndices = new unsigned[_MISize];
memcpy(_MIndices, iBrother.mindices(), _MISize * sizeof(unsigned));
}
else {
_MIndices = 0;
}
_TISize = iBrother.tisize();
_TIndices = 0;
if (_TISize) {
_TIndices = new unsigned[_TISize];
memcpy(_TIndices, iBrother.tindices(), _TISize * sizeof(unsigned));
}
_displayList = 0;
}