399 lines
8.6 KiB
C++
399 lines
8.6 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) 2015-2017 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 <sstream>
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#include <wx/log.h>
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#include "3d_cache/sg/sg_index.h"
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SGINDEX::SGINDEX( SGNODE* aParent ) : SGNODE( aParent )
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{
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if( NULL != aParent && S3D::SGTYPE_FACESET != aParent->GetNodeType() )
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{
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m_Parent = NULL;
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#ifdef DEBUG
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] inappropriate parent to SGINDEX (type ";
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ostr << aParent->GetNodeType() << ")";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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#endif
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}
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return;
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}
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SGINDEX::~SGINDEX()
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{
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index.clear();
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return;
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}
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bool SGINDEX::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 SGFACESET may be parent to a SGINDEX and derived types
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if( NULL != aParent && S3D::SGTYPE_FACESET != 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* SGINDEX::FindNode(const char *aNodeName, const SGNODE *aCaller) noexcept
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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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return NULL;
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}
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void SGINDEX::unlinkChildNode( const SGNODE* aCaller ) noexcept
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{
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#ifdef DEBUG
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] unexpected code branch; node should have no children or refs";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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#endif
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return;
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}
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void SGINDEX::unlinkRefNode( const SGNODE* aCaller ) noexcept
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{
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#ifdef DEBUG
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] unexpected code branch; node should have no children or refs";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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#endif
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return;
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}
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bool SGINDEX::AddRefNode( SGNODE* aNode ) noexcept
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{
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#ifdef DEBUG
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] this node does not accept children or refs";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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#endif
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return false;
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}
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bool SGINDEX::AddChildNode( SGNODE* aNode ) noexcept
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{
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#ifdef DEBUG
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] this node does not accept children or refs";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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#endif
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return false;
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}
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bool SGINDEX::GetIndices( size_t& nIndices, int*& aIndexList )
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{
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if( index.empty() )
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{
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nIndices = 0;
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aIndexList = NULL;
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return false;
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}
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nIndices = index.size();
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aIndexList = & index[0];
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return true;
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}
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void SGINDEX::SetIndices( size_t nIndices, int* aIndexList )
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{
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index.clear();
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if( 0 == nIndices || NULL == aIndexList )
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return;
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for( size_t i = 0; i < nIndices; ++i )
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index.push_back( aIndexList[i] );
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return;
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}
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void SGINDEX::AddIndex( int aIndex )
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{
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index.push_back( aIndex );
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return;
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}
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void SGINDEX::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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}
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bool SGINDEX::WriteVRML( std::ostream& aFile, bool aReuseFlag )
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{
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if( index.empty() )
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return false;
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if( S3D::SGTYPE_COORDINDEX == m_SGtype )
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return writeCoordIndex( aFile );
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return writeColorIndex( aFile );
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}
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bool SGINDEX::writeCoordIndex( std::ostream& aFile )
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{
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size_t n = index.size();
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if( n % 3 )
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{
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#ifdef DEBUG
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] coord index is not divisible by three (violates triangle constraint)";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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#endif
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return false;
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}
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aFile << " coordIndex [\n ";
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// indices to control formatting
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int nv0 = 0;
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int nv1 = 0;
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for( size_t i = 0; i < n; )
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{
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aFile << index[i];
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++i;
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if( ++nv0 == 3 )
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{
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aFile << ",-1";
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++nv1;
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nv0 = 0;
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}
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if( i < n )
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{
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aFile << ",";
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if( nv1 == 8 )
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{
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nv1 = 0;
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aFile << "\n ";
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}
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}
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}
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aFile << "]\n";
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return true;
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}
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bool SGINDEX::writeColorIndex( std::ostream& aFile )
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{
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aFile << " colorIndex [\n ";
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return writeIndexList( aFile );
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}
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bool SGINDEX::writeIndexList( std::ostream& aFile )
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{
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// index to control formatting
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int nv = 0;
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size_t n = index.size();
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for( size_t i = 0; i < n; )
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{
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aFile << index[i];
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++i;
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if( i < n )
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{
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aFile << ",";
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if( ++nv == 20 )
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{
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aFile << "\n ";
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nv = 0;
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}
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}
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}
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aFile << "]\n";
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return true;
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}
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bool SGINDEX::WriteCache( std::ostream& 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::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] corrupt data; m_aParent is NULL";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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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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if( np->WriteCache( aFile, NULL ) )
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{
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m_written = true;
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return true;
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}
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return false;
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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::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] corrupt data; parentNode != m_aParent";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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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::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [INFO] bad stream";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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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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size_t npts = index.size();
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aFile.write( (char*)&npts, sizeof(size_t) );
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for( size_t i = 0; i < npts; ++i )
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aFile.write( (char*)&index[i], sizeof(int) );
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if( aFile.fail() )
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return false;
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m_written = true;
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return true;
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}
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bool SGINDEX::ReadCache( std::istream& aFile, SGNODE* parentNode )
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{
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if( !index.empty() )
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{
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#ifdef DEBUG
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] non-empty node";
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wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
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#endif
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return false;
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}
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size_t npts;
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aFile.read( (char*)&npts, sizeof(size_t) );
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int tmp;
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if( aFile.fail() )
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return false;
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for( size_t i = 0; i < npts; ++i )
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{
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aFile.read( (char*)&tmp, sizeof(int) );
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if( aFile.fail() )
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return false;
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index.push_back( tmp );
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}
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return true;
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}
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