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Added support of reading QOBJ variant of obj files (just quads)

This commit is contained in:
Paolo Cignoni 2009-09-23 15:09:05 +00:00
parent d2edfc1f4d
commit 8be83c0e45
1 changed files with 11 additions and 5 deletions
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14
wrap/io_trimesh/import_obj.h
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@ -378,8 +378,11 @@ static int Open( OpenMeshType &m, const char * filename, Info &oi)
numVNormals++;
}
else if (header.compare("f")==0) // face
else if( (header.compare("f")==0) || (header.compare("q")==0) ) // face
{
bool QuadFlag = false; // QOBJ format by Silva et al for simply storing quadrangular meshes.
if(header.compare("q")==0) { QuadFlag=true; assert(numTokens == 5); }
if (numTokens < 4) return E_LESS_THAN_3VERTINFACE;
int vertexesPerFace = static_cast<int>(tokens.size()-1);
@ -448,9 +451,11 @@ static int Open( OpenMeshType &m, const char * filename, Info &oi)
std::string vertex;
std::string texcoord;
std::string normal;
for(int i=0;i<3;++i) // remember index starts from 1 instead of 0
for(int i=0;i<3;++i)
{ // remember index starts from 1 instead of 0
SplitToken(tokens[i+1], ff.v[i], ff.n[i], ff.t[i], oi.mask);
if(QuadFlag) { ff.v[i]+=1; }
}
if ( oi.mask & vcg::tri::io::Mask::IOM_WEDGTEXCOORD )
{
// verifying validity of texture coords indices
@ -517,6 +522,7 @@ static int Open( OpenMeshType &m, const char * filename, Info &oi)
int vn4_index;
SplitToken(tokens[++iVertex], v4_index, vn4_index, vt4_index, oi.mask);
if(QuadFlag) { v4_index+=1; }
if(!GoodObjIndex(v4_index, numVertices))
return E_BAD_VERT_INDEX;
@ -867,7 +873,7 @@ static bool LoadMask(const char * filename, Info &oi)
if(line[1]=='n') bHasNormals = true;
}
else
if(line[0]=='f') oi.numFaces++;
if((line[0]=='f') || (line[0]=='q')) oi.numFaces++;
else
if(line[0]=='u' && line[1]=='s') bHasPerFaceColor = true; // there is a usematerial so add per face color
}