bool SGNODE::SwapParent( SGNODE* aNewParent )
{
if( aNewParent == m_Parent )
return true;
if( NULL == aNewParent )
return false;
if( NULL == m_Parent )
{
if( aNewParent->AddChildNode( this ) )
return true;
return false;
}
if( aNewParent->GetNodeType() != m_Parent->GetNodeType() )
return false;
SGNODE* oldParent = m_Parent;
m_Parent->unlinkChildNode( this );
m_Parent = NULL;
aNewParent->unlinkRefNode( this );
aNewParent->AddChildNode( this );
oldParent->AddRefNode( this );
return true;
}
SGNODE* S3D::ReadCache( const char* aFileName, void* aPluginMgr,
bool (*aTagCheck)( const char*, void* ) )
{
if( NULL == aFileName || aFileName[0] == 0 )
return NULL;
wxString ofile = wxString::FromUTF8Unchecked( aFileName );
if( !wxFileName::FileExists( aFileName ) )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = _( "no such file" );
ostr << " * [INFO] " << errmsg.ToUTF8() << " '";
ostr << aFileName << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
return NULL;
}
SGNODE* np = new SCENEGRAPH( NULL );
if( NULL == np )
{
#ifdef DEBUG
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] failed to instantiate SCENEGRAPH";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return NULL;
}
std::ifstream file;
file.open( aFileName, std::ios_base::in | std::ios_base::binary );
if( !file.is_open() )
{
delete np;
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = _( "failed to open file" );
ostr << " * [INFO] " << errmsg.ToUTF8() << " '";
ostr << aFileName << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
return NULL;
}
// from SG_VERSION_TAG 1, read the version tag; if it's not the expected tag
// then we fail to read the cache file
do
{
std::string name;
char schar;
file.get( schar );
if( '(' != schar )
{
#ifdef DEBUG
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; missing left parenthesis at position ";
ostr << file.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
file.close();
return NULL;
}
file.get( schar );
while( ')' != schar && file.good() )
{
name.push_back( schar );
file.get( schar );
}
if( name.compare( SG_VERSION_TAG ) )
{
file.close();
return NULL;
}
} while( 0 );
// from SG_VERSION_TAG 2, read the PluginInfo string and check that it matches
// version tag; if it's not the expected tag then we fail to read the file
do
{
std::string name;
char schar;
file.get( schar );
if( '(' != schar )
{
#ifdef DEBUG
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; missing left parenthesis at position ";
ostr << file.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
file.close();
return NULL;
}
file.get( schar );
while( ')' != schar && file.good() )
{
name.push_back( schar );
file.get( schar );
}
// check the plugin tag
if( NULL != aTagCheck && NULL != aPluginMgr && !aTagCheck( name.c_str(), aPluginMgr ) )
{
file.close();
return NULL;
}
} while( 0 );
bool rval = np->ReadCache( file, NULL );
file.close();
if( !rval )
{
delete np;
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = "problems encountered reading cache file";
ostr << " * [INFO] " << errmsg.ToUTF8() << " '";
ostr << aFileName << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
return NULL;
}
return np;
}
bool SGFACESET::ReadCache( std::ifstream& aFile, SGNODE* parentNode )
{
if( m_Coords || m_RCoords || m_CoordIndices
|| m_Colors || m_RColors
|| m_Normals || m_RNormals )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] non-empty node";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
#define NITEMS 7
bool items[NITEMS];
for( int i = 0; i < NITEMS; ++i )
aFile.read( (char*)&items[i], sizeof(bool) );
if( ( items[0] && items[1] ) || ( items[3] && items[4] )
|| ( items[5] && items[6] ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; multiple item definitions at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
std::string name;
if( items[0] )
{
if( S3D::SGTYPE_COORDS != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad child coords tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_Coords = new SGCOORDS( this );
m_Coords->SetName( name.c_str() );
if( !m_Coords->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading coords '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
if( items[1] )
{
if( S3D::SGTYPE_COORDS != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad ref coords tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* np = FindNode( name.c_str(), this );
if( !np )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: cannot find ref coords '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( S3D::SGTYPE_COORDS != np->GetNodeType() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: type is not SGCOORDS '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_RCoords = (SGCOORDS*)np;
m_RCoords->addNodeRef( this );
}
if( items[2] )
{
if( S3D::SGTYPE_COORDINDEX != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad coord index tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_CoordIndices = new SGCOORDINDEX( this );
m_CoordIndices->SetName( name.c_str() );
if( !m_CoordIndices->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading coord index '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
if( items[3] )
{
if( S3D::SGTYPE_NORMALS != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad child normals tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_Normals = new SGNORMALS( this );
m_Normals->SetName( name.c_str() );
if( !m_Normals->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading normals '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
if( items[4] )
{
if( S3D::SGTYPE_NORMALS != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad ref normals tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* np = FindNode( name.c_str(), this );
if( !np )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: cannot find ref normals '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( S3D::SGTYPE_NORMALS != np->GetNodeType() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: type is not SGNORMALS '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_RNormals = (SGNORMALS*)np;
m_RNormals->addNodeRef( this );
}
if( items[5] )
{
if( S3D::SGTYPE_COLORS != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad child colors tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_Colors = new SGCOLORS( this );
m_Colors->SetName( name.c_str() );
if( !m_Colors->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading colors '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
if( items[6] )
{
if( S3D::SGTYPE_COLORS != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad ref colors tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* np = FindNode( name.c_str(), this );
if( !np )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: cannot find ref colors '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( S3D::SGTYPE_COLORS != np->GetNodeType() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: type is not SGCOLORS '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_RColors = (SGCOLORS*)np;
m_RColors->addNodeRef( this );
}
if( aFile.fail() )
return false;
return true;
}
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 SGSHAPE::ReadCache( std::ifstream& aFile, SGNODE* parentNode )
{
if( m_Appearance || m_RAppearance || m_FaceSet || m_RFaceSet )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] non-empty node";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
#define NITEMS 4
bool items[NITEMS];
for( int i = 0; i < NITEMS; ++i )
aFile.read( (char*)&items[i], sizeof(bool) );
if( ( items[0] && items[1] ) || ( items[2] && items[3] ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; multiple item definitions at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
std::string name;
if( items[0] )
{
if( S3D::SGTYPE_APPEARANCE != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad child apperance tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_Appearance = new SGAPPEARANCE( this );
m_Appearance->SetName( name.c_str() );
if( !m_Appearance->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading appearance '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
if( items[1] )
{
if( S3D::SGTYPE_APPEARANCE != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad ref appearance tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* np = FindNode( name.c_str(), this );
if( !np )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: cannot find ref appearance '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( S3D::SGTYPE_APPEARANCE != np->GetNodeType() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: type is not SGAPPEARANCE '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_RAppearance = (SGAPPEARANCE*)np;
m_RAppearance->addNodeRef( this );
}
if( items[2] )
{
if( S3D::SGTYPE_FACESET != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad child face set tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_FaceSet = new SGFACESET( this );
m_FaceSet->SetName( name.c_str() );
if( !m_FaceSet->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading face set '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
if( items[3] )
{
if( S3D::SGTYPE_FACESET != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad ref face set tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* np = FindNode( name.c_str(), this );
if( !np )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: cannot find ref face set '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( S3D::SGTYPE_FACESET != np->GetNodeType() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: type is not SGFACESET '";
ostr << name << "'";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_RFaceSet = (SGFACESET*)np;
m_RFaceSet->addNodeRef( this );
}
if( aFile.fail() )
return false;
return true;
}
bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
{
if( !m_Transforms.empty() || !m_RTransforms.empty()
|| !m_Shape.empty() || !m_RShape.empty() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] non-empty node";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
std::string name; // name of the node
if( NULL == parentNode )
{
// we need to read the tag and verify its type
if( S3D::SGTYPE_TRANSFORM != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; tag mismatch at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
m_Name = name;
}
// read fixed member data
S3D::ReadPoint( aFile, center );
S3D::ReadPoint( aFile, translation );
S3D::ReadVector( aFile, rotation_axis );
aFile.read( (char*)&rotation_angle, sizeof( rotation_angle ) );
S3D::ReadPoint( aFile, scale );
S3D::ReadVector( aFile, scale_axis );
aFile.read( (char*)&scale_angle, sizeof( scale_angle ) );
size_t sizeCT = 0; // child transforms
size_t sizeRT = 0; // referenced transforms
size_t sizeCS = 0; // child shapes
size_t sizeRS = 0; // referenced shapes
aFile.read( (char*)&sizeCT, sizeof( size_t ) );
aFile.read( (char*)&sizeRT, sizeof( size_t ) );
aFile.read( (char*)&sizeCS, sizeof( size_t ) );
aFile.read( (char*)&sizeRS, sizeof( size_t ) );
size_t i;
// read child transforms
for( i = 0; i < sizeCT; ++i )
{
if( S3D::SGTYPE_TRANSFORM != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad child transform tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SCENEGRAPH* sp = new SCENEGRAPH( this );
sp->SetName( name.c_str() );
if( !sp->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading transform '";
ostr << name << "' pos " << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
// read referenced transforms
for( i = 0; i < sizeRT; ++i )
{
if( S3D::SGTYPE_TRANSFORM != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad ref transform tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* sp = FindNode( name.c_str(), this );
if( !sp )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: cannot find ref transform '";
ostr << name << "' pos " << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( S3D::SGTYPE_TRANSFORM != sp->GetNodeType() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: type is not TRANSFORM '";
ostr << name << "' pos " << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
AddRefNode( sp );
}
// read child shapes
for( i = 0; i < sizeCS; ++i )
{
if( S3D::SGTYPE_SHAPE != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad child shape tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGSHAPE* sp = new SGSHAPE( this );
sp->SetName( name.c_str() );
if( !sp->ReadCache( aFile, this ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data while reading shape '";
ostr << name << "' pos " << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
}
// read referenced shapes
for( i = 0; i < sizeRS; ++i )
{
if( S3D::SGTYPE_SHAPE != S3D::ReadTag( aFile, name ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data; bad ref shape tag at position ";
ostr << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
SGNODE* sp = FindNode( name.c_str(), this );
if( !sp )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: cannot find ref shape '";
ostr << name << "' pos " << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
if( S3D::SGTYPE_SHAPE != sp->GetNodeType() )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] corrupt data: type is not SGSHAPE '";
ostr << name << "' pos " << aFile.tellg();
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
AddRefNode( sp );
}
if( aFile.fail() )
return false;
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;
}
