int OBJ::ParseLine(int lineno,int argc,const char **argv) // return TRUE to continue parsing, return FALSE to abort parsing process
{
int ret = 0;
if ( argc >= 1 )
{
const char *foo = argv[0];
if ( *foo != '#' )
{
if ( strcmp(argv[0],"v") == 0 && argc == 4 )
//if ( stricmp(argv[0],"v") == 0 && argc == 4 )
{
float vx = (float) atof( argv[1] );
float vy = (float) atof( argv[2] );
float vz = (float) atof( argv[3] );
mVerts.push_back(vx);
mVerts.push_back(vy);
mVerts.push_back(vz);
}
else if ( strcmp(argv[0],"vt") == 0 && argc == 3 )
// else if ( stricmp(argv[0],"vt") == 0 && argc == 3 )
{
float tx = (float) atof( argv[1] );
float ty = (float) atof( argv[2] );
mTexels.push_back(tx);
mTexels.push_back(ty);
}
// else if ( stricmp(argv[0],"vn") == 0 && argc == 4 )
else if ( strcmp(argv[0],"vn") == 0 && argc == 4 )
{
float normalx = (float) atof(argv[1]);
float normaly = (float) atof(argv[2]);
float normalz = (float) atof(argv[3]);
mNormals.push_back(normalx);
mNormals.push_back(normaly);
mNormals.push_back(normalz);
}
// else if ( stricmp(argv[0],"f") == 0 && argc >= 4 )
else if ( strcmp(argv[0],"f") == 0 && argc >= 4 )
{
GeometryVertex v[32];
int vcount = argc-1;
for (int i=1; i<argc; i++)
{
getVertex(v[i-1],argv[i] );
}
// need to generate a normal!
#if 0 // not currently implemented
if ( mNormals.empty() )
{
Vector3d<float> p1( v[0].mPos );
Vector3d<float> p2( v[1].mPos );
Vector3d<float> p3( v[2].mPos );
Vector3d<float> n;
n.ComputeNormal(p3,p2,p1);
for (int i=0; i<vcount; i++)
{
v[i].mNormal[0] = n.x;
v[i].mNormal[1] = n.y;
v[i].mNormal[2] = n.z;
}
}
#endif
mCallback->NodeTriangle(&v[0],&v[1],&v[2]);
if ( vcount >=3 ) // do the fan
{
for (int i=2; i<(vcount-1); i++)
{
mCallback->NodeTriangle(&v[0],&v[i],&v[i+1]);
}
}
}
}
}
return ret;
}
int OBJ::ParseLine(int lineno,int argc,const char **argv) // return TRUE to continue parsing, return FALSE to abort parsing process
{
int ret = 0;
if ( argc >= 1 )
{
const char *foo = argv[0];
if ( *foo != '#' )
{
if (strcmp(argv[0], "v") == 0 && argc == 4 )
{
float vx = (float) atof( argv[1] );
float vy = (float) atof( argv[2] );
float vz = (float) atof( argv[3] );
Resize(mVerts, mMaxVerts, mNumVerts, mNumVerts + 3);
mVerts[mNumVerts++] = vx;
mVerts[mNumVerts++] = vy;
mVerts[mNumVerts++] = vz;
}
else if (strcmp(argv[0],"vt") == 0 && (argc == 3 || argc == 4))
{
// ignore 4rd component if present
float tx = (float) atof( argv[1] );
float ty = (float) atof( argv[2] );
Resize(mTexels, mMaxTexels, mNumTexels, mNumTexels + 2);
mTexels[mNumTexels++] = tx;
mTexels[mNumTexels++] = ty;
}
else if (strcmp(argv[0],"vn") == 0 && argc == 4 )
{
float normalx = (float) atof(argv[1]);
float normaly = (float) atof(argv[2]);
float normalz = (float) atof(argv[3]);
Resize(mNormals, mMaxNormals, mNumNormals, mNumNormals + 3);
mNormals[mNumNormals++] = normalx;
mNormals[mNumNormals++] = normaly;
mNormals[mNumNormals++] = normalz;
}
else if (strcmp(argv[0],"f") == 0 && argc >= 4 )
{
GeometryVertex v[32];
int vcount = argc-1;
for (int i=1; i<argc; i++)
{
GetVertex(v[i-1],argv[i] );
}
// need to generate a normal!
#if 0 // not currently implemented
if ( mNormals.empty() )
{
Vector3d<float> p1( v[0].mPos );
Vector3d<float> p2( v[1].mPos );
Vector3d<float> p3( v[2].mPos );
Vector3d<float> n;
n.ComputeNormal(p3,p2,p1);
for (int i=0; i<vcount; i++)
{
v[i].mNormal[0] = n.x;
v[i].mNormal[1] = n.y;
v[i].mNormal[2] = n.z;
}
}
#endif
mCallback->NodeTriangle(&v[0],&v[1],&v[2], mTextured);
if ( vcount >=3 ) // do the fan
{
for (int i=2; i<(vcount-1); i++)
{
mCallback->NodeTriangle(&v[0],&v[i],&v[i+1], mTextured);
}
}
}
}
}
return ret;
}
