1043 lines
25 KiB
C++
1043 lines
25 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <iostream>
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#include "3d_cache/sg/sg_faceset.h"
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#include "3d_cache/sg/sg_colors.h"
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#include "3d_cache/sg/sg_coords.h"
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#include "3d_cache/sg/sg_normals.h"
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#include "3d_cache/sg/sg_coordindex.h"
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#include "3d_cache/sg/sg_helpers.h"
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SGFACESET::SGFACESET( SGNODE* aParent ) : SGNODE( aParent )
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{
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m_SGtype = S3D::SGTYPE_FACESET;
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m_Colors = NULL;
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m_Coords = NULL;
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m_CoordIndices = NULL;
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m_Normals = NULL;
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m_RColors = NULL;
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m_RCoords = NULL;
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m_RNormals = NULL;
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valid = false;
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validated = false;
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if( NULL != aParent && S3D::SGTYPE_SHAPE != aParent->GetNodeType() )
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{
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m_Parent = NULL;
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] inappropriate parent to SGFACESET (type ";
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std::cerr << aParent->GetNodeType() << ")\n";
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#endif
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}
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else if( NULL != aParent && S3D::SGTYPE_SHAPE == aParent->GetNodeType() )
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{
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m_Parent->AddChildNode( this );
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}
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return;
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}
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SGFACESET::~SGFACESET()
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{
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// drop references
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if( m_RColors )
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{
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m_RColors->delNodeRef( this );
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m_RColors = NULL;
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}
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if( m_RCoords )
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{
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m_RCoords->delNodeRef( this );
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m_RCoords = NULL;
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}
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if( m_RNormals )
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{
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m_RNormals->delNodeRef( this );
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m_RNormals = NULL;
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}
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// delete owned objects
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if( m_Colors )
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{
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m_Colors->SetParent( NULL, false );
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delete m_Colors;
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m_Colors = NULL;
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}
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if( m_Coords )
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{
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m_Coords->SetParent( NULL, false );
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delete m_Coords;
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m_Coords = NULL;
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}
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if( m_Normals )
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{
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m_Normals->SetParent( NULL, false );
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delete m_Normals;
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m_Normals = NULL;
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}
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if( m_CoordIndices )
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{
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m_CoordIndices->SetParent( NULL, false );
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delete m_CoordIndices;
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m_CoordIndices = NULL;
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}
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return;
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}
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bool SGFACESET::SetParent( SGNODE* aParent, bool notify )
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{
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if( NULL != m_Parent )
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{
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if( aParent == m_Parent )
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return true;
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// handle the change in parents
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if( notify )
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m_Parent->unlinkChildNode( this );
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m_Parent = NULL;
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if( NULL == aParent )
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return true;
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}
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// only a SGSHAPE may be parent to a SGFACESET
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if( NULL != aParent && S3D::SGTYPE_SHAPE != aParent->GetNodeType() )
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return false;
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m_Parent = aParent;
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if( m_Parent )
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m_Parent->AddChildNode( this );
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return true;
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}
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SGNODE* SGFACESET::FindNode(const char *aNodeName, const SGNODE *aCaller)
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{
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if( NULL == aNodeName || 0 == aNodeName[0] )
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return NULL;
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if( !m_Name.compare( aNodeName ) )
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return this;
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SGNODE* np = NULL;
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if( m_Colors )
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{
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np = m_Colors->FindNode( aNodeName, this );
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if( np )
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return np;
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}
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if( m_Coords )
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{
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np = m_Coords->FindNode( aNodeName, this );
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if( np )
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return np;
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}
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if( m_CoordIndices )
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{
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np = m_CoordIndices->FindNode( aNodeName, this );
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if( np )
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return np;
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}
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if( m_Normals )
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{
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np = m_Normals->FindNode( aNodeName, this );
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if( np )
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return np;
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}
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// query the parent if appropriate
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if( aCaller == m_Parent || NULL == m_Parent )
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return NULL;
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return m_Parent->FindNode( aNodeName, this );
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}
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void SGFACESET::unlinkNode( const SGNODE* aNode, bool isChild )
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{
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if( NULL == aNode )
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return;
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valid = false;
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validated = false;
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if( isChild )
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{
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if( aNode == m_Colors )
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{
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m_Colors = NULL;
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return;
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}
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if( aNode == m_Coords )
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{
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m_Coords = NULL;
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return;
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}
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if( aNode == m_Normals )
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{
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m_Normals = NULL;
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return;
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}
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if( aNode == m_CoordIndices )
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{
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m_CoordIndices = NULL;
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return;
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}
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}
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else
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{
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if( aNode == m_RColors )
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{
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m_RColors = NULL;
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return;
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}
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if( aNode == m_RCoords )
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{
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m_RCoords = NULL;
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return;
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}
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if( aNode == m_RNormals )
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{
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m_RNormals = NULL;
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return;
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}
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}
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] unlinkNode() did not find its target\n";
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#endif
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return;
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}
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void SGFACESET::unlinkChildNode( const SGNODE* aNode )
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{
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unlinkNode( aNode, true );
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return;
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}
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void SGFACESET::unlinkRefNode( const SGNODE* aNode )
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{
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unlinkNode( aNode, false );
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return;
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}
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bool SGFACESET::addNode( SGNODE* aNode, bool isChild )
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{
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if( NULL == aNode )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] NULL pointer passed for aNode\n";
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#endif
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return false;
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}
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valid = false;
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validated = false;
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if( S3D::SGTYPE_COLORS == aNode->GetNodeType() )
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{
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if( m_Colors || m_RColors )
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{
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if( aNode != m_Colors && aNode != m_RColors )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] assigning multiple Colors nodes\n";
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#endif
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return false;
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}
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return true;
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}
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if( isChild )
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{
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m_Colors = (SGCOLORS*)aNode;
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m_Colors->SetParent( this );
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}
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else
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{
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m_RColors = (SGCOLORS*)aNode;
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m_RColors->addNodeRef( this );
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}
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return true;
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}
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if( S3D::SGTYPE_COORDS == aNode->GetNodeType() )
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{
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if( m_Coords || m_RCoords )
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{
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if( aNode != m_Coords && aNode != m_RCoords )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] assigning multiple Coords nodes\n";
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#endif
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return false;
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}
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return true;
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}
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if( isChild )
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{
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m_Coords = (SGCOORDS*)aNode;
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m_Coords->SetParent( this );
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}
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else
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{
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m_RCoords = (SGCOORDS*)aNode;
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m_RCoords->addNodeRef( this );
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}
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return true;
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}
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if( S3D::SGTYPE_NORMALS == aNode->GetNodeType() )
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{
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if( m_Normals || m_RNormals )
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{
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if( aNode != m_Normals && aNode != m_RNormals )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] assigning multiple Normals nodes\n";
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#endif
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return false;
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}
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return true;
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}
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if( isChild )
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{
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m_Normals = (SGNORMALS*)aNode;
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m_Normals->SetParent( this );
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}
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else
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{
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m_RNormals = (SGNORMALS*)aNode;
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m_RNormals->addNodeRef( this );
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}
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return true;
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}
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if( S3D::SGTYPE_COORDINDEX == aNode->GetNodeType() )
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{
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if( m_CoordIndices )
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{
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if( aNode != m_CoordIndices )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] assigning multiple CoordIndex nodes\n";
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#endif
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return false;
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}
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return true;
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}
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m_CoordIndices = (SGCOORDINDEX*)aNode;
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m_CoordIndices->SetParent( this );
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return true;
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}
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] object '" << aNode->GetName();
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std::cerr << "' (type " << aNode->GetNodeType();
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std::cerr << ") is not a valid type for this object (" << aNode->GetNodeType() << ")\n";
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#endif
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return false;
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}
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bool SGFACESET::AddRefNode( SGNODE* aNode )
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{
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return addNode( aNode, false );
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}
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bool SGFACESET::AddChildNode( SGNODE* aNode )
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{
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return addNode( aNode, true );
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}
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void SGFACESET::ReNameNodes( void )
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{
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m_written = false;
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// rename this node
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m_Name.clear();
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GetName();
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// rename all Colors and Indices
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if( m_Colors )
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m_Colors->ReNameNodes();
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// rename all Coordinates and Indices
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if( m_Coords )
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m_Coords->ReNameNodes();
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if( m_CoordIndices )
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m_CoordIndices->ReNameNodes();
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// rename all Normals and Indices
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if( m_Normals )
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m_Normals->ReNameNodes();
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return;
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}
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bool SGFACESET::WriteVRML( std::ofstream& aFile, bool aReuseFlag )
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{
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if( ( NULL == m_Coords && NULL == m_RCoords )
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|| ( NULL == m_CoordIndices ) )
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{
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return false;
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}
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std::string tmp;
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if( aReuseFlag )
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{
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if( !m_written )
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{
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aFile << " geometry DEF " << GetName() << " IndexedFaceSet {\n";
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m_written = true;
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}
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else
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{
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aFile << "USE " << GetName() << "\n";
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return true;
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}
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}
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else
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{
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aFile << " geometry IndexedFaceSet {\n";
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}
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if( m_Coords )
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m_Coords->WriteVRML( aFile, aReuseFlag );
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if( m_RCoords )
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m_RCoords->WriteVRML( aFile, aReuseFlag );
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if( m_CoordIndices )
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m_CoordIndices->WriteVRML( aFile, aReuseFlag );
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if( m_Normals || m_RNormals )
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aFile << " normalPerVertex TRUE\n";
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if( m_Normals )
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m_Normals->WriteVRML( aFile, aReuseFlag );
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if( m_RNormals )
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m_RNormals->WriteVRML( aFile, aReuseFlag );
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if( m_Colors )
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m_Colors->WriteVRML( aFile, aReuseFlag );
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if( m_RColors )
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m_RColors->WriteVRML( aFile, aReuseFlag );
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aFile << "}\n";
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return true;
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}
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bool SGFACESET::WriteCache( std::ofstream& aFile, SGNODE* parentNode )
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{
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if( NULL == parentNode )
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{
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if( NULL == m_Parent )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] corrupt data; m_aParent is NULL\n";
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#endif
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return false;
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}
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SGNODE* np = m_Parent;
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while( NULL != np->GetParent() )
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np = np->GetParent();
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return np->WriteCache( aFile, NULL );
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}
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if( parentNode != m_Parent )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] corrupt data; parentNode != m_aParent\n";
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#endif
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return false;
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}
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if( !aFile.good() )
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{
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#ifdef DEBUG
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [INFO] bad stream\n";
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#endif
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return false;
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}
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aFile << "[" << GetName() << "]";
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#define NITEMS 7
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bool items[NITEMS];
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int i;
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for( i = 0; i < NITEMS; ++i )
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items[i] = 0;
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i = 0;
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if( NULL != m_Coords )
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items[i] = true;
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++i;
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if( NULL != m_RCoords )
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items[i] = true;
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++i;
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if( NULL != m_CoordIndices )
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items[i] = true;
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++i;
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if( NULL != m_Normals )
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items[i] = true;
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++i;
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if( NULL != m_RNormals )
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items[i] = true;
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++i;
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if( NULL != m_Colors )
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items[i] = true;
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++i;
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if( NULL != m_RColors )
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items[i] = true;
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for( int i = 0; i < NITEMS; ++i )
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aFile.write( (char*)&items[i], sizeof(bool) );
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if( items[0] )
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m_Coords->WriteCache( aFile, this );
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if( items[1] )
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aFile << "[" << m_RCoords->GetName() << "]";
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if( items[2] )
|
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m_CoordIndices->WriteCache( aFile, this );
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if( items[3] )
|
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m_Normals->WriteCache( aFile, this );
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|
|
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;
|
|
|
|
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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [BUG] non-empty node\n";
|
|
#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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; multiple item definitions at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
std::string name;
|
|
|
|
if( items[0] )
|
|
{
|
|
if( S3D::SGTYPE_COORDS != S3D::ReadTag( aFile, name ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; bad child coords tag at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
m_Coords = new SGCOORDS( this );
|
|
m_Coords->SetName( name.c_str() );
|
|
|
|
if( !m_Coords->ReadCache( aFile, this ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data while reading coords '";
|
|
std::cerr << name << "'\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if( items[1] )
|
|
{
|
|
if( S3D::SGTYPE_COORDS != S3D::ReadTag( aFile, name ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; bad ref coords tag at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
SGNODE* np = FindNode( name.c_str(), this );
|
|
|
|
if( !np )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data: cannot find ref coords '";
|
|
std::cerr << name << "'\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
if( S3D::SGTYPE_COORDS != np->GetNodeType() )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data: type is not SGCOORDS '";
|
|
std::cerr << name << "'\n";
|
|
#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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; bad coord index tag at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
m_CoordIndices = new SGCOORDINDEX( this );
|
|
m_CoordIndices->SetName( name.c_str() );
|
|
|
|
if( !m_CoordIndices->ReadCache( aFile, this ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data while reading coord index '";
|
|
std::cerr << name << "'\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if( items[3] )
|
|
{
|
|
if( S3D::SGTYPE_NORMALS != S3D::ReadTag( aFile, name ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; bad child normals tag at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
m_Normals = new SGNORMALS( this );
|
|
m_Normals->SetName( name.c_str() );
|
|
|
|
if( !m_Normals->ReadCache( aFile, this ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data while reading normals '";
|
|
std::cerr << name << "'\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if( items[4] )
|
|
{
|
|
if( S3D::SGTYPE_NORMALS != S3D::ReadTag( aFile, name ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; bad ref normals tag at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
SGNODE* np = FindNode( name.c_str(), this );
|
|
|
|
if( !np )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data: cannot find ref normals '";
|
|
std::cerr << name << "'\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
if( S3D::SGTYPE_NORMALS != np->GetNodeType() )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data: type is not SGNORMALS '";
|
|
std::cerr << name << "'\n";
|
|
#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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; bad child colors tag at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
m_Colors = new SGCOLORS( this );
|
|
m_Colors->SetName( name.c_str() );
|
|
|
|
if( !m_Colors->ReadCache( aFile, this ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data while reading colors '";
|
|
std::cerr << name << "'\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if( items[6] )
|
|
{
|
|
if( S3D::SGTYPE_COLORS != S3D::ReadTag( aFile, name ) )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data; bad ref colors tag at position ";
|
|
std::cerr << aFile.tellg() << "\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
SGNODE* np = FindNode( name.c_str(), this );
|
|
|
|
if( !np )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data: cannot find ref colors '";
|
|
std::cerr << name << "'\n";
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
if( S3D::SGTYPE_COLORS != np->GetNodeType() )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] corrupt data: type is not SGCOLORS '";
|
|
std::cerr << name << "'\n";
|
|
#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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] bad model; no vertices, vertex indices, or normals\n";
|
|
#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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] bad model; fewer than 3 vertices\n";
|
|
#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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] bad model; no vertex indices or not multiple of 3\n";
|
|
#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] >= nCoords )
|
|
{
|
|
#ifdef DEBUG
|
|
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] bad model; vertex index out of bounds\n";
|
|
#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::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
|
|
std::cerr << " * [INFO] bad model; number of normals (" << nNorms;
|
|
std::cerr << ") does not match number of vertices (" << nCoords << ")\n";
|
|
#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 );
|
|
}
|