// ------------------------------------------------------------------------------------------------
void BlenderImporter::ConvertMesh(const Scene& /*in*/, const Object* /*obj*/, const Mesh* mesh,
ConversionData& conv_data, TempArray<std::vector,aiMesh>& temp
)
{
// TODO: Resolve various problems with BMesh triangulation before re-enabling.
// See issues #400, #373, #318 #315 and #132.
#if defined(TODO_FIX_BMESH_CONVERSION)
BlenderBMeshConverter BMeshConverter( mesh );
if ( BMeshConverter.ContainsBMesh( ) )
{
mesh = BMeshConverter.TriangulateBMesh( );
}
#endif
typedef std::pair<const int,size_t> MyPair;
if ((!mesh->totface && !mesh->totloop) || !mesh->totvert) {
return;
}
// some sanity checks
if (static_cast<size_t> ( mesh->totface ) > mesh->mface.size() ){
ThrowException("Number of faces is larger than the corresponding array");
}
if (static_cast<size_t> ( mesh->totvert ) > mesh->mvert.size()) {
ThrowException("Number of vertices is larger than the corresponding array");
}
if (static_cast<size_t> ( mesh->totloop ) > mesh->mloop.size()) {
ThrowException("Number of vertices is larger than the corresponding array");
}
// collect per-submesh numbers
std::map<int,size_t> per_mat;
std::map<int,size_t> per_mat_verts;
for (int i = 0; i < mesh->totface; ++i) {
const MFace& mf = mesh->mface[i];
per_mat[ mf.mat_nr ]++;
per_mat_verts[ mf.mat_nr ] += mf.v4?4:3;
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& mp = mesh->mpoly[i];
per_mat[ mp.mat_nr ]++;
per_mat_verts[ mp.mat_nr ] += mp.totloop;
}
// ... and allocate the corresponding meshes
const size_t old = temp->size();
temp->reserve(temp->size() + per_mat.size());
std::map<size_t,size_t> mat_num_to_mesh_idx;
for(MyPair& it : per_mat) {
mat_num_to_mesh_idx[it.first] = temp->size();
temp->push_back(new aiMesh());
aiMesh* out = temp->back();
out->mVertices = new aiVector3D[per_mat_verts[it.first]];
out->mNormals = new aiVector3D[per_mat_verts[it.first]];
//out->mNumFaces = 0
//out->mNumVertices = 0
out->mFaces = new aiFace[it.second]();
// all sub-meshes created from this mesh are named equally. this allows
// curious users to recover the original adjacency.
out->mName = aiString(mesh->id.name+2);
// skip over the name prefix 'ME'
// resolve the material reference and add this material to the set of
// output materials. The (temporary) material index is the index
// of the material entry within the list of resolved materials.
if (mesh->mat) {
if (static_cast<size_t> ( it.first ) >= mesh->mat.size() ) {
ThrowException("Material index is out of range");
}
std::shared_ptr<Material> mat = mesh->mat[it.first];
const std::deque< std::shared_ptr<Material> >::iterator has = std::find(
conv_data.materials_raw.begin(),
conv_data.materials_raw.end(),mat
);
if (has != conv_data.materials_raw.end()) {
out->mMaterialIndex = static_cast<unsigned int>( std::distance(conv_data.materials_raw.begin(),has));
}
else {
out->mMaterialIndex = static_cast<unsigned int>( conv_data.materials_raw.size() );
conv_data.materials_raw.push_back(mat);
}
}
else out->mMaterialIndex = static_cast<unsigned int>( -1 );
}
for (int i = 0; i < mesh->totface; ++i) {
const MFace& mf = mesh->mface[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mf.mat_nr ] ];
aiFace& f = out->mFaces[out->mNumFaces++];
f.mIndices = new unsigned int[ f.mNumIndices = mf.v4?4:3 ];
aiVector3D* vo = out->mVertices + out->mNumVertices;
aiVector3D* vn = out->mNormals + out->mNumVertices;
// XXX we can't fold this easily, because we are restricted
// to the member names from the BLEND file (v1,v2,v3,v4)
// which are assigned by the genblenddna.py script and
// cannot be changed without breaking the entire
// import process.
if (mf.v1 >= mesh->totvert) {
ThrowException("Vertex index v1 out of range");
}
const MVert* v = &mesh->mvert[mf.v1];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[0] = out->mNumVertices++;
++vo;
++vn;
// if (f.mNumIndices >= 2) {
if (mf.v2 >= mesh->totvert) {
ThrowException("Vertex index v2 out of range");
}
v = &mesh->mvert[mf.v2];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[1] = out->mNumVertices++;
++vo;
++vn;
if (mf.v3 >= mesh->totvert) {
ThrowException("Vertex index v3 out of range");
}
// if (f.mNumIndices >= 3) {
v = &mesh->mvert[mf.v3];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[2] = out->mNumVertices++;
++vo;
++vn;
if (mf.v4 >= mesh->totvert) {
ThrowException("Vertex index v4 out of range");
}
// if (f.mNumIndices >= 4) {
if (mf.v4) {
v = &mesh->mvert[mf.v4];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[3] = out->mNumVertices++;
++vo;
++vn;
out->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
}
else out->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
// }
// }
// }
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& mf = mesh->mpoly[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mf.mat_nr ] ];
aiFace& f = out->mFaces[out->mNumFaces++];
f.mIndices = new unsigned int[ f.mNumIndices = mf.totloop ];
aiVector3D* vo = out->mVertices + out->mNumVertices;
aiVector3D* vn = out->mNormals + out->mNumVertices;
// XXX we can't fold this easily, because we are restricted
// to the member names from the BLEND file (v1,v2,v3,v4)
// which are assigned by the genblenddna.py script and
// cannot be changed without breaking the entire
// import process.
for (int j = 0;j < mf.totloop; ++j)
{
const MLoop& loop = mesh->mloop[mf.loopstart + j];
if (loop.v >= mesh->totvert) {
ThrowException("Vertex index out of range");
}
const MVert& v = mesh->mvert[loop.v];
vo->x = v.co[0];
vo->y = v.co[1];
vo->z = v.co[2];
vn->x = v.no[0];
vn->y = v.no[1];
vn->z = v.no[2];
f.mIndices[j] = out->mNumVertices++;
++vo;
++vn;
}
if (mf.totloop == 3)
{
out->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
}
else
{
out->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
}
}
// TODO should we create the TextureUVMapping map in Convert<Material> to prevent redundant processing?
// create texture <-> uvname mapping for all materials
// key is texture number, value is data *
typedef std::map<uint32_t, const MLoopUV *> TextureUVMapping;
// key is material number, value is the TextureUVMapping for the material
typedef std::map<uint32_t, TextureUVMapping> MaterialTextureUVMappings;
MaterialTextureUVMappings matTexUvMappings;
const uint32_t maxMat = static_cast<const uint32_t>(mesh->mat.size());
for (uint32_t m = 0; m < maxMat; ++m) {
// get material by index
const std::shared_ptr<Material> pMat = mesh->mat[m];
TextureUVMapping texuv;
const uint32_t maxTex = sizeof(pMat->mtex) / sizeof(pMat->mtex[0]);
for (uint32_t t = 0; t < maxTex; ++t) {
if (pMat->mtex[t] && pMat->mtex[t]->uvname[0]) {
// get the CustomData layer for given uvname and correct type
const ElemBase *pLoop = getCustomDataLayerData(mesh->ldata, CD_MLOOPUV, pMat->mtex[t]->uvname);
if (pLoop) {
texuv.insert(std::make_pair(t, dynamic_cast<const MLoopUV *>(pLoop)));
}
}
}
if (texuv.size()) {
matTexUvMappings.insert(std::make_pair(m, texuv));
}
}
// collect texture coordinates, they're stored in a separate per-face buffer
if (mesh->mtface || mesh->mloopuv) {
if (mesh->totface > static_cast<int> ( mesh->mtface.size())) {
ThrowException("Number of UV faces is larger than the corresponding UV face array (#1)");
}
for (std::vector<aiMesh*>::iterator it = temp->begin()+old; it != temp->end(); ++it) {
ai_assert((*it)->mNumVertices && (*it)->mNumFaces);
const auto itMatTexUvMapping = matTexUvMappings.find((*it)->mMaterialIndex);
if (itMatTexUvMapping == matTexUvMappings.end()) {
// default behaviour like before
(*it)->mTextureCoords[0] = new aiVector3D[(*it)->mNumVertices];
}
else {
// create texture coords for every mapped tex
for (uint32_t i = 0; i < itMatTexUvMapping->second.size(); ++i) {
(*it)->mTextureCoords[i] = new aiVector3D[(*it)->mNumVertices];
}
}
(*it)->mNumFaces = (*it)->mNumVertices = 0;
}
for (int i = 0; i < mesh->totface; ++i) {
const MTFace* v = &mesh->mtface[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mesh->mface[i].mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiVector3D* vo = &out->mTextureCoords[0][out->mNumVertices];
for (unsigned int i = 0; i < f.mNumIndices; ++i,++vo,++out->mNumVertices) {
vo->x = v->uv[i][0];
vo->y = v->uv[i][1];
}
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& v = mesh->mpoly[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ v.mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
const auto itMatTexUvMapping = matTexUvMappings.find(v.mat_nr);
if (itMatTexUvMapping == matTexUvMappings.end()) {
// old behavior
aiVector3D* vo = &out->mTextureCoords[0][out->mNumVertices];
for (unsigned int j = 0; j < f.mNumIndices; ++j, ++vo, ++out->mNumVertices) {
const MLoopUV& uv = mesh->mloopuv[v.loopstart + j];
vo->x = uv.uv[0];
vo->y = uv.uv[1];
}
}
else {
// create textureCoords for every mapped tex
for (uint32_t m = 0; m < itMatTexUvMapping->second.size(); ++m) {
const MLoopUV *tm = itMatTexUvMapping->second[m];
aiVector3D* vo = &out->mTextureCoords[m][out->mNumVertices];
uint32_t j = 0;
for (; j < f.mNumIndices; ++j, ++vo) {
const MLoopUV& uv = tm[v.loopstart + j];
vo->x = uv.uv[0];
vo->y = uv.uv[1];
}
// only update written mNumVertices in last loop
// TODO why must the numVertices be incremented here?
if (m == itMatTexUvMapping->second.size() - 1) {
out->mNumVertices += j;
}
}
}
}
}
// collect texture coordinates, old-style (marked as deprecated in current blender sources)
if (mesh->tface) {
if (mesh->totface > static_cast<int> ( mesh->tface.size())) {
ThrowException("Number of faces is larger than the corresponding UV face array (#2)");
}
for (std::vector<aiMesh*>::iterator it = temp->begin()+old; it != temp->end(); ++it) {
ai_assert((*it)->mNumVertices && (*it)->mNumFaces);
(*it)->mTextureCoords[0] = new aiVector3D[(*it)->mNumVertices];
(*it)->mNumFaces = (*it)->mNumVertices = 0;
}
for (int i = 0; i < mesh->totface; ++i) {
const TFace* v = &mesh->tface[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mesh->mface[i].mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiVector3D* vo = &out->mTextureCoords[0][out->mNumVertices];
for (unsigned int i = 0; i < f.mNumIndices; ++i,++vo,++out->mNumVertices) {
vo->x = v->uv[i][0];
vo->y = v->uv[i][1];
}
}
}
// collect vertex colors, stored separately as well
if (mesh->mcol || mesh->mloopcol) {
if (mesh->totface > static_cast<int> ( (mesh->mcol.size()/4)) ) {
ThrowException("Number of faces is larger than the corresponding color face array");
}
for (std::vector<aiMesh*>::iterator it = temp->begin()+old; it != temp->end(); ++it) {
ai_assert((*it)->mNumVertices && (*it)->mNumFaces);
(*it)->mColors[0] = new aiColor4D[(*it)->mNumVertices];
(*it)->mNumFaces = (*it)->mNumVertices = 0;
}
for (int i = 0; i < mesh->totface; ++i) {
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mesh->mface[i].mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiColor4D* vo = &out->mColors[0][out->mNumVertices];
for (unsigned int n = 0; n < f.mNumIndices; ++n, ++vo,++out->mNumVertices) {
const MCol* col = &mesh->mcol[(i<<2)+n];
vo->r = col->r;
vo->g = col->g;
vo->b = col->b;
vo->a = col->a;
}
for (unsigned int n = f.mNumIndices; n < 4; ++n);
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& v = mesh->mpoly[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ v.mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiColor4D* vo = &out->mColors[0][out->mNumVertices];
const ai_real scaleZeroToOne = 1.f/255.f;
for (unsigned int j = 0; j < f.mNumIndices; ++j,++vo,++out->mNumVertices) {
const MLoopCol& col = mesh->mloopcol[v.loopstart + j];
vo->r = ai_real(col.r) * scaleZeroToOne;
vo->g = ai_real(col.g) * scaleZeroToOne;
vo->b = ai_real(col.b) * scaleZeroToOne;
vo->a = ai_real(col.a) * scaleZeroToOne;
}
}
}
return;
}
// ------------------------------------------------------------------------------------------------
void BlenderImporter::ConvertMesh(const Scene& /*in*/, const Object* /*obj*/, const Mesh* mesh,
ConversionData& conv_data, TempArray<std::vector,aiMesh>& temp
)
{
// TODO: Resolve various problems with BMesh triangluation before re-enabling.
// See issues #400, #373, #318 #315 and #132.
#if defined(TODO_FIX_BMESH_CONVERSION)
BlenderBMeshConverter BMeshConverter( mesh );
if ( BMeshConverter.ContainsBMesh( ) )
{
mesh = BMeshConverter.TriangulateBMesh( );
}
#endif
typedef std::pair<const int,size_t> MyPair;
if ((!mesh->totface && !mesh->totloop) || !mesh->totvert) {
return;
}
// some sanity checks
if (static_cast<size_t> ( mesh->totface ) > mesh->mface.size() ) {
ThrowException("Number of faces is larger than the corresponding array");
}
if (static_cast<size_t> ( mesh->totvert ) > mesh->mvert.size()) {
ThrowException("Number of vertices is larger than the corresponding array");
}
if (static_cast<size_t> ( mesh->totloop ) > mesh->mloop.size()) {
ThrowException("Number of vertices is larger than the corresponding array");
}
// collect per-submesh numbers
std::map<int,size_t> per_mat;
std::map<int,size_t> per_mat_verts;
for (int i = 0; i < mesh->totface; ++i) {
const MFace& mf = mesh->mface[i];
per_mat[ mf.mat_nr ]++;
per_mat_verts[ mf.mat_nr ] += mf.v4?4:3;
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& mp = mesh->mpoly[i];
per_mat[ mp.mat_nr ]++;
per_mat_verts[ mp.mat_nr ] += mp.totloop;
}
// ... and allocate the corresponding meshes
const size_t old = temp->size();
temp->reserve(temp->size() + per_mat.size());
std::map<size_t,size_t> mat_num_to_mesh_idx;
for(MyPair& it : per_mat) {
mat_num_to_mesh_idx[it.first] = temp->size();
temp->push_back(new aiMesh());
aiMesh* out = temp->back();
out->mVertices = new aiVector3D[per_mat_verts[it.first]];
out->mNormals = new aiVector3D[per_mat_verts[it.first]];
//out->mNumFaces = 0
//out->mNumVertices = 0
out->mFaces = new aiFace[it.second]();
// all submeshes created from this mesh are named equally. this allows
// curious users to recover the original adjacency.
out->mName = aiString(mesh->id.name+2);
// skip over the name prefix 'ME'
// resolve the material reference and add this material to the set of
// output materials. The (temporary) material index is the index
// of the material entry within the list of resolved materials.
if (mesh->mat) {
if (static_cast<size_t> ( it.first ) >= mesh->mat.size() ) {
ThrowException("Material index is out of range");
}
std::shared_ptr<Material> mat = mesh->mat[it.first];
const std::deque< std::shared_ptr<Material> >::iterator has = std::find(
conv_data.materials_raw.begin(),
conv_data.materials_raw.end(),mat
);
if (has != conv_data.materials_raw.end()) {
out->mMaterialIndex = static_cast<unsigned int>( std::distance(conv_data.materials_raw.begin(),has));
}
else {
out->mMaterialIndex = static_cast<unsigned int>( conv_data.materials_raw.size() );
conv_data.materials_raw.push_back(mat);
}
}
else out->mMaterialIndex = static_cast<unsigned int>( -1 );
}
for (int i = 0; i < mesh->totface; ++i) {
const MFace& mf = mesh->mface[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mf.mat_nr ] ];
aiFace& f = out->mFaces[out->mNumFaces++];
f.mIndices = new unsigned int[ f.mNumIndices = mf.v4?4:3 ];
aiVector3D* vo = out->mVertices + out->mNumVertices;
aiVector3D* vn = out->mNormals + out->mNumVertices;
// XXX we can't fold this easily, because we are restricted
// to the member names from the BLEND file (v1,v2,v3,v4)
// which are assigned by the genblenddna.py script and
// cannot be changed without breaking the entire
// import process.
if (mf.v1 >= mesh->totvert) {
ThrowException("Vertex index v1 out of range");
}
const MVert* v = &mesh->mvert[mf.v1];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[0] = out->mNumVertices++;
++vo;
++vn;
// if (f.mNumIndices >= 2) {
if (mf.v2 >= mesh->totvert) {
ThrowException("Vertex index v2 out of range");
}
v = &mesh->mvert[mf.v2];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[1] = out->mNumVertices++;
++vo;
++vn;
if (mf.v3 >= mesh->totvert) {
ThrowException("Vertex index v3 out of range");
}
// if (f.mNumIndices >= 3) {
v = &mesh->mvert[mf.v3];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[2] = out->mNumVertices++;
++vo;
++vn;
if (mf.v4 >= mesh->totvert) {
ThrowException("Vertex index v4 out of range");
}
// if (f.mNumIndices >= 4) {
if (mf.v4) {
v = &mesh->mvert[mf.v4];
vo->x = v->co[0];
vo->y = v->co[1];
vo->z = v->co[2];
vn->x = v->no[0];
vn->y = v->no[1];
vn->z = v->no[2];
f.mIndices[3] = out->mNumVertices++;
++vo;
++vn;
out->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
}
else out->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
// }
// }
// }
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& mf = mesh->mpoly[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mf.mat_nr ] ];
aiFace& f = out->mFaces[out->mNumFaces++];
f.mIndices = new unsigned int[ f.mNumIndices = mf.totloop ];
aiVector3D* vo = out->mVertices + out->mNumVertices;
aiVector3D* vn = out->mNormals + out->mNumVertices;
// XXX we can't fold this easily, because we are restricted
// to the member names from the BLEND file (v1,v2,v3,v4)
// which are assigned by the genblenddna.py script and
// cannot be changed without breaking the entire
// import process.
for (int j = 0; j < mf.totloop; ++j)
{
const MLoop& loop = mesh->mloop[mf.loopstart + j];
if (loop.v >= mesh->totvert) {
ThrowException("Vertex index out of range");
}
const MVert& v = mesh->mvert[loop.v];
vo->x = v.co[0];
vo->y = v.co[1];
vo->z = v.co[2];
vn->x = v.no[0];
vn->y = v.no[1];
vn->z = v.no[2];
f.mIndices[j] = out->mNumVertices++;
++vo;
++vn;
}
if (mf.totloop == 3)
{
out->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
}
else
{
out->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
}
}
// collect texture coordinates, they're stored in a separate per-face buffer
if (mesh->mtface || mesh->mloopuv) {
if (mesh->totface > static_cast<int> ( mesh->mtface.size())) {
ThrowException("Number of UV faces is larger than the corresponding UV face array (#1)");
}
for (std::vector<aiMesh*>::iterator it = temp->begin()+old; it != temp->end(); ++it) {
ai_assert((*it)->mNumVertices && (*it)->mNumFaces);
(*it)->mTextureCoords[0] = new aiVector3D[(*it)->mNumVertices];
(*it)->mNumFaces = (*it)->mNumVertices = 0;
}
for (int i = 0; i < mesh->totface; ++i) {
const MTFace* v = &mesh->mtface[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mesh->mface[i].mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiVector3D* vo = &out->mTextureCoords[0][out->mNumVertices];
for (unsigned int i = 0; i < f.mNumIndices; ++i,++vo,++out->mNumVertices) {
vo->x = v->uv[i][0];
vo->y = v->uv[i][1];
}
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& v = mesh->mpoly[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ v.mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiVector3D* vo = &out->mTextureCoords[0][out->mNumVertices];
for (unsigned int j = 0; j < f.mNumIndices; ++j,++vo,++out->mNumVertices) {
const MLoopUV& uv = mesh->mloopuv[v.loopstart + j];
vo->x = uv.uv[0];
vo->y = uv.uv[1];
}
}
}
// collect texture coordinates, old-style (marked as deprecated in current blender sources)
if (mesh->tface) {
if (mesh->totface > static_cast<int> ( mesh->tface.size())) {
ThrowException("Number of faces is larger than the corresponding UV face array (#2)");
}
for (std::vector<aiMesh*>::iterator it = temp->begin()+old; it != temp->end(); ++it) {
ai_assert((*it)->mNumVertices && (*it)->mNumFaces);
(*it)->mTextureCoords[0] = new aiVector3D[(*it)->mNumVertices];
(*it)->mNumFaces = (*it)->mNumVertices = 0;
}
for (int i = 0; i < mesh->totface; ++i) {
const TFace* v = &mesh->tface[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mesh->mface[i].mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiVector3D* vo = &out->mTextureCoords[0][out->mNumVertices];
for (unsigned int i = 0; i < f.mNumIndices; ++i,++vo,++out->mNumVertices) {
vo->x = v->uv[i][0];
vo->y = v->uv[i][1];
}
}
}
// collect vertex colors, stored separately as well
if (mesh->mcol || mesh->mloopcol) {
if (mesh->totface > static_cast<int> ( (mesh->mcol.size()/4)) ) {
ThrowException("Number of faces is larger than the corresponding color face array");
}
for (std::vector<aiMesh*>::iterator it = temp->begin()+old; it != temp->end(); ++it) {
ai_assert((*it)->mNumVertices && (*it)->mNumFaces);
(*it)->mColors[0] = new aiColor4D[(*it)->mNumVertices];
(*it)->mNumFaces = (*it)->mNumVertices = 0;
}
for (int i = 0; i < mesh->totface; ++i) {
aiMesh* const out = temp[ mat_num_to_mesh_idx[ mesh->mface[i].mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiColor4D* vo = &out->mColors[0][out->mNumVertices];
for (unsigned int n = 0; n < f.mNumIndices; ++n, ++vo,++out->mNumVertices) {
const MCol* col = &mesh->mcol[(i<<2)+n];
vo->r = col->r;
vo->g = col->g;
vo->b = col->b;
vo->a = col->a;
}
for (unsigned int n = f.mNumIndices; n < 4; ++n);
}
for (int i = 0; i < mesh->totpoly; ++i) {
const MPoly& v = mesh->mpoly[i];
aiMesh* const out = temp[ mat_num_to_mesh_idx[ v.mat_nr ] ];
const aiFace& f = out->mFaces[out->mNumFaces++];
aiColor4D* vo = &out->mColors[0][out->mNumVertices];
for (unsigned int j = 0; j < f.mNumIndices; ++j,++vo,++out->mNumVertices) {
const MLoopCol& col = mesh->mloopcol[v.loopstart + j];
vo->r = col.r;
vo->g = col.g;
vo->b = col.b;
vo->a = col.a;
}
}
}
return;
}
