bool SGFACESET::WriteCache( std::ofstream& aFile, SGNODE* parentNode )
{
if( NULL == parentNode )
{
if( NULL == m_Parent )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] corrupt data; m_aParent is NULL";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* np = m_Parent;
while( NULL != np->GetParent() )
np = np->GetParent();
if( np->WriteCache( aFile, NULL ) )
{
m_written = true;
return true;
}
return false;
}
if( parentNode != m_Parent )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] corrupt data; parentNode != m_aParent";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( !aFile.good() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad stream";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
// check if any references are unwritten and swap parents if so
if( NULL != m_RCoords && !m_RCoords->isWritten() )
m_RCoords->SwapParent( this );
if( NULL != m_RNormals && !m_RNormals->isWritten() )
m_RNormals->SwapParent( this );
if( NULL != m_RColors && !m_RColors->isWritten() )
m_RColors->SwapParent( this );
aFile << "[" << GetName() << "]";
#define NITEMS 7
bool items[NITEMS];
int i;
for( i = 0; i < NITEMS; ++i )
items[i] = 0;
i = 0;
if( NULL != m_Coords )
items[i] = true;
++i;
if( NULL != m_RCoords )
items[i] = true;
++i;
if( NULL != m_CoordIndices )
items[i] = true;
++i;
if( NULL != m_Normals )
items[i] = true;
++i;
if( NULL != m_RNormals )
items[i] = true;
++i;
if( NULL != m_Colors )
items[i] = true;
++i;
if( NULL != m_RColors )
items[i] = true;
for( int i = 0; i < NITEMS; ++i )
aFile.write( (char*)&items[i], sizeof(bool) );
if( items[0] )
m_Coords->WriteCache( aFile, this );
if( items[1] )
aFile << "[" << m_RCoords->GetName() << "]";
if( items[2] )
m_CoordIndices->WriteCache( aFile, this );
if( items[3] )
m_Normals->WriteCache( aFile, this );
if( items[4] )
aFile << "[" << m_RNormals->GetName() << "]";
if( items[5] )
m_Colors->WriteCache( aFile, this );
if( items[6] )
aFile << "[" << m_RColors->GetName() << "]";
if( aFile.fail() )
return false;
m_written = true;
return true;
}
bool SCENEGRAPH::WriteCache( std::ostream& aFile, SGNODE* parentNode )
{
if( NULL == parentNode && NULL != m_Parent )
{
SGNODE* np = m_Parent;
while( NULL != np->GetParent() )
np = np->GetParent();
if( np->WriteCache( aFile, NULL ) )
{
m_written = true;
return true;
}
return false;
}
if( parentNode != m_Parent )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] corrupt data; parentNode != m_aParent";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( NULL == m_Parent )
{
// ensure unique node names
ResetNodeIndex();
ReNameNodes();
}
if( aFile.fail() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad stream";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
aFile << "[" << GetName() << "]";
S3D::WritePoint( aFile, center );
S3D::WritePoint( aFile, translation );
S3D::WriteVector( aFile, rotation_axis );
aFile.write( (char*)&rotation_angle, sizeof( rotation_angle ) );
S3D::WritePoint( aFile, scale );
S3D::WriteVector( aFile, scale_axis );
aFile.write( (char*)&scale_angle, sizeof( scale_angle ) );
// Transfer ownership of any Transform references which hadn't been written
size_t asize = m_RTransforms.size();
size_t i;
for( i = 0; i < asize; ++i )
{
if( !m_RTransforms[i]->isWritten() )
{
m_RTransforms[i]->SwapParent( this );
--asize;
--i;
}
}
// Transfer ownership of any Shape references which hadn't been written
asize = m_RShape.size();
for( i = 0; i < asize; ++i )
{
if( !m_RShape[i]->isWritten() )
{
m_RShape[i]->SwapParent( this );
--asize;
--i;
}
}
asize = m_Transforms.size();
aFile.write( (char*)&asize, sizeof( size_t ) );
asize = m_RTransforms.size();
aFile.write( (char*)&asize, sizeof( size_t ) );
asize = m_Shape.size();
aFile.write( (char*)&asize, sizeof( size_t ) );
asize = m_RShape.size();
aFile.write( (char*)&asize, sizeof( size_t ) );
asize = m_Transforms.size();
// write child transforms
for( i = 0; i < asize; ++i )
{
if( !m_Transforms[i]->WriteCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad stream while writing child transforms";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
// write referenced transform names
asize = m_RTransforms.size();
for( i = 0; i < asize; ++i )
aFile << "[" << m_RTransforms[i]->GetName() << "]";
// write child shapes
asize = m_Shape.size();
for( i = 0; i < asize; ++i )
{
if( !m_Shape[i]->WriteCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad stream while writing child shapes";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
// write referenced transform names
asize = m_RShape.size();
for( i = 0; i < asize; ++i )
aFile << "[" << m_RShape[i]->GetName() << "]";
if( aFile.fail() )
return false;
m_written = true;
return true;
}
