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kicad/3d-viewer/3d_cache/sg/sg_faceset.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Cirilo Bernardo <cirilo.bernardo@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <iostream>
#include <sstream>
#include <wx/log.h>
#include "3d_cache/sg/sg_faceset.h"
#include "3d_cache/sg/sg_colors.h"
#include "3d_cache/sg/sg_coords.h"
#include "3d_cache/sg/sg_normals.h"
#include "3d_cache/sg/sg_coordindex.h"
#include "3d_cache/sg/sg_helpers.h"
SGFACESET::SGFACESET( SGNODE* aParent ) : SGNODE( aParent )
{
m_SGtype = S3D::SGTYPE_FACESET;
m_Colors = NULL;
m_Coords = NULL;
m_CoordIndices = NULL;
m_Normals = NULL;
m_RColors = NULL;
m_RCoords = NULL;
m_RNormals = NULL;
valid = false;
validated = false;
if( NULL != aParent && S3D::SGTYPE_SHAPE != aParent->GetNodeType() )
{
m_Parent = NULL;
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] inappropriate parent to SGFACESET (type ";
ostr << aParent->GetNodeType() << ")";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
}
else if( NULL != aParent && S3D::SGTYPE_SHAPE == aParent->GetNodeType() )
{
m_Parent->AddChildNode( this );
}
return;
}
SGFACESET::~SGFACESET()
{
// drop references
if( m_RColors )
{
m_RColors->delNodeRef( this );
m_RColors = NULL;
}
if( m_RCoords )
{
m_RCoords->delNodeRef( this );
m_RCoords = NULL;
}
if( m_RNormals )
{
m_RNormals->delNodeRef( this );
m_RNormals = NULL;
}
// delete owned objects
if( m_Colors )
{
m_Colors->SetParent( NULL, false );
delete m_Colors;
m_Colors = NULL;
}
if( m_Coords )
{
m_Coords->SetParent( NULL, false );
delete m_Coords;
m_Coords = NULL;
}
if( m_Normals )
{
m_Normals->SetParent( NULL, false );
delete m_Normals;
m_Normals = NULL;
}
if( m_CoordIndices )
{
m_CoordIndices->SetParent( NULL, false );
delete m_CoordIndices;
m_CoordIndices = NULL;
}
return;
}
bool SGFACESET::SetParent( SGNODE* aParent, bool notify )
{
if( NULL != m_Parent )
{
if( aParent == m_Parent )
return true;
// handle the change in parents
if( notify )
m_Parent->unlinkChildNode( this );
m_Parent = NULL;
if( NULL == aParent )
return true;
}
// only a SGSHAPE may be parent to a SGFACESET
if( NULL != aParent && S3D::SGTYPE_SHAPE != aParent->GetNodeType() )
return false;
m_Parent = aParent;
if( m_Parent )
m_Parent->AddChildNode( this );
return true;
}
SGNODE* SGFACESET::FindNode(const char *aNodeName, const SGNODE *aCaller)
{
if( NULL == aNodeName || 0 == aNodeName[0] )
return NULL;
if( !m_Name.compare( aNodeName ) )
return this;
SGNODE* np = NULL;
if( m_Colors )
{
np = m_Colors->FindNode( aNodeName, this );
if( np )
return np;
}
if( m_Coords )
{
np = m_Coords->FindNode( aNodeName, this );
if( np )
return np;
}
if( m_CoordIndices )
{
np = m_CoordIndices->FindNode( aNodeName, this );
if( np )
return np;
}
if( m_Normals )
{
np = m_Normals->FindNode( aNodeName, this );
if( np )
return np;
}
// query the parent if appropriate
if( aCaller == m_Parent || NULL == m_Parent )
return NULL;
return m_Parent->FindNode( aNodeName, this );
}
void SGFACESET::unlinkNode( const SGNODE* aNode, bool isChild )
{
if( NULL == aNode )
return;
valid = false;
validated = false;
if( isChild )
{
if( aNode == m_Colors )
{
m_Colors = NULL;
return;
}
if( aNode == m_Coords )
{
m_Coords = NULL;
return;
}
if( aNode == m_Normals )
{
m_Normals = NULL;
return;
}
if( aNode == m_CoordIndices )
{
m_CoordIndices = NULL;
return;
}
}
else
{
if( aNode == m_RColors )
{
delNodeRef( this );
m_RColors = NULL;
return;
}
if( aNode == m_RCoords )
{
delNodeRef( this );
m_RCoords = NULL;
return;
}
if( aNode == m_RNormals )
{
delNodeRef( this );
m_RNormals = NULL;
return;
}
}
#ifdef DEBUG
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] unlinkNode() did not find its target";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return;
}
void SGFACESET::unlinkChildNode( const SGNODE* aNode )
{
unlinkNode( aNode, true );
return;
}
void SGFACESET::unlinkRefNode( const SGNODE* aNode )
{
unlinkNode( aNode, false );
return;
}
bool SGFACESET::addNode( SGNODE* aNode, bool isChild )
{
if( NULL == aNode )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] NULL pointer passed for aNode";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
valid = false;
validated = false;
if( S3D::SGTYPE_COLORS == aNode->GetNodeType() )
{
if( m_Colors || m_RColors )
{
if( aNode != m_Colors && aNode != m_RColors )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] assigning multiple Colors nodes";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
return true;
}
if( isChild )
{
m_Colors = (SGCOLORS*)aNode;
m_Colors->SetParent( this );
}
else
{
m_RColors = (SGCOLORS*)aNode;
m_RColors->addNodeRef( this );
}
return true;
}
if( S3D::SGTYPE_COORDS == aNode->GetNodeType() )
{
if( m_Coords || m_RCoords )
{
if( aNode != m_Coords && aNode != m_RCoords )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] assigning multiple Coords nodes";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
return true;
}
if( isChild )
{
m_Coords = (SGCOORDS*)aNode;
m_Coords->SetParent( this );
}
else
{
m_RCoords = (SGCOORDS*)aNode;
m_RCoords->addNodeRef( this );
}
return true;
}
if( S3D::SGTYPE_NORMALS == aNode->GetNodeType() )
{
if( m_Normals || m_RNormals )
{
if( aNode != m_Normals && aNode != m_RNormals )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] assigning multiple Normals nodes";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
return true;
}
if( isChild )
{
m_Normals = (SGNORMALS*)aNode;
m_Normals->SetParent( this );
}
else
{
m_RNormals = (SGNORMALS*)aNode;
m_RNormals->addNodeRef( this );
}
return true;
}
if( S3D::SGTYPE_COORDINDEX == aNode->GetNodeType() )
{
if( m_CoordIndices )
{
if( aNode != m_CoordIndices )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] assigning multiple CoordIndex nodes";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
return false;
}
return true;
}
m_CoordIndices = (SGCOORDINDEX*)aNode;
m_CoordIndices->SetParent( this );
return true;
}
#ifdef DEBUG
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] object '" << aNode->GetName();
ostr << "' (type " << aNode->GetNodeType();
ostr << ") is not a valid type for this object (" << aNode->GetNodeType() << ")";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
bool SGFACESET::AddRefNode( SGNODE* aNode )
{
return addNode( aNode, false );
}
bool SGFACESET::AddChildNode( SGNODE* aNode )
{
return addNode( aNode, true );
}
void SGFACESET::ReNameNodes( void )
{
m_written = false;
// rename this node
m_Name.clear();
GetName();
// rename all Colors and Indices
if( m_Colors )
m_Colors->ReNameNodes();
// rename all Coordinates and Indices
if( m_Coords )
m_Coords->ReNameNodes();
if( m_CoordIndices )
m_CoordIndices->ReNameNodes();
// rename all Normals and Indices
if( m_Normals )
m_Normals->ReNameNodes();
return;
}
bool SGFACESET::WriteVRML( std::ofstream& aFile, bool aReuseFlag )
{
if( ( NULL == m_Coords && NULL == m_RCoords )
|| ( NULL == m_CoordIndices ) )
{
return false;
}
if( aReuseFlag )
{
if( !m_written )
{
aFile << " geometry DEF " << GetName() << " IndexedFaceSet {\n";
m_written = true;
}
else
{
aFile << "USE " << GetName() << "\n";
return true;
}
}
else
{
aFile << " geometry IndexedFaceSet {\n";
}
if( m_Coords )
m_Coords->WriteVRML( aFile, aReuseFlag );
if( m_RCoords )
m_RCoords->WriteVRML( aFile, aReuseFlag );
if( m_CoordIndices )
m_CoordIndices->WriteVRML( aFile, aReuseFlag );
if( m_Normals || m_RNormals )
aFile << " normalPerVertex TRUE\n";
if( m_Normals )
m_Normals->WriteVRML( aFile, aReuseFlag );
if( m_RNormals )
m_RNormals->WriteVRML( aFile, aReuseFlag );
if( m_Colors )
m_Colors->WriteVRML( aFile, aReuseFlag );
if( m_RColors )
m_RColors->WriteVRML( aFile, aReuseFlag );
aFile << "}\n";
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 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::validate( void )
{
// verify the integrity of this object's data
if( validated )
return valid;
// ensure we have at least coordinates and their normals
if( (NULL == m_Coords && NULL == m_RCoords)
|| (NULL == m_Normals && NULL == m_RNormals)
|| (NULL == m_CoordIndices) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad model; no vertices, vertex indices, or normals";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
validated = true;
valid = false;
return false;
}
// check that there are >3 vertices
SGCOORDS* coords = m_Coords;
if( NULL == coords )
coords = m_RCoords;
size_t nCoords = 0;
SGPOINT* lCoords = NULL;
coords->GetCoordsList( nCoords, lCoords );
if( nCoords < 3 )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad model; fewer than 3 vertices";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
validated = true;
valid = false;
return false;
}
// check that nVertices is divisible by 3 (facets are triangles)
size_t nCIdx = 0;
int* lCIdx = NULL;
m_CoordIndices->GetIndices( nCIdx, lCIdx );
if( nCIdx < 3 || ( nCIdx % 3 > 0 ) )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad model; no vertex indices or not multiple of 3";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
validated = true;
valid = false;
return false;
}
// check that vertex[n] >= 0 and < nVertices
for( size_t i = 0; i < nCIdx; ++i )
{
if( lCIdx[i] < 0 || lCIdx[i] >= (int)nCoords )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad model; vertex index out of bounds";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
validated = true;
valid = false;
return false;
}
}
// check that there are as many normals as vertices
size_t nNorms = 0;
SGVECTOR* lNorms = NULL;
SGNORMALS* pNorms = m_Normals;
if( NULL == pNorms )
pNorms = m_RNormals;
pNorms->GetNormalList( nNorms, lNorms );
if( nNorms != nCoords )
{
#ifdef DEBUG
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad model; number of normals (" << nNorms;
ostr << ") does not match number of vertices (" << nCoords << ")";
wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
#endif
validated = true;
valid = false;
return false;
}
// if there are colors then ensure there are as many colors as vertices
SGCOLORS* pColors = m_Colors;
if( NULL == pColors )
pColors = m_RColors;
if( NULL != pColors )
{
// we must have at least as many colors as vertices
size_t nColor = 0;
SGCOLOR* pColor = NULL;
pColors->GetColorList( nColor, pColor );
}
validated = true;
valid = true;
return true;
}
void SGFACESET::GatherCoordIndices( std::vector< int >& aIndexList )
{
if( m_CoordIndices )
m_CoordIndices->GatherCoordIndices( aIndexList );
return;
}
bool SGFACESET::CalcNormals( SGNODE** aPtr )
{
SGCOORDS* coords = m_Coords;
if( m_RCoords )
coords = m_RCoords;
if( NULL == coords || coords->coords.empty() )
return false;
if( m_Normals && !m_Normals->norms.empty( ) )
return true;
if( m_RNormals && !m_RNormals->norms.empty( ) )
return true;
return coords->CalcNormals( this, aPtr );
}
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