432 lines
9.6 KiB
C++
432 lines
9.6 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_coords.h"
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#include "3d_cache/sg/sg_helpers.h"
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#include "3d_cache/sg/sg_normals.h"
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#include "3d_cache/sg/sg_faceset.h"
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SGCOORDS::SGCOORDS( SGNODE* aParent ) : SGNODE( aParent )
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{
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m_SGtype = S3D::SGTYPE_COORDS;
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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 SGCOORDS (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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else if( NULL != aParent && S3D::SGTYPE_FACESET == 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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SGCOORDS::~SGCOORDS()
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{
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coords.clear();
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return;
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}
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bool SGCOORDS::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 SGCOORDS
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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* SGCOORDS::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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return NULL;
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}
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void SGCOORDS::unlinkChildNode( const SGNODE* aCaller )
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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 SGCOORDS::unlinkRefNode( const SGNODE* aCaller )
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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 SGCOORDS::AddRefNode( SGNODE* aNode )
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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 SGCOORDS::AddChildNode( SGNODE* aNode )
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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 SGCOORDS::GetCoordsList( size_t& aListSize, SGPOINT*& aCoordsList )
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{
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if( coords.empty() )
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{
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aListSize = 0;
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aCoordsList = NULL;
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return false;
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}
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aListSize = coords.size();
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aCoordsList = &coords[0];
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return true;
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}
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void SGCOORDS::SetCoordsList( size_t aListSize, const SGPOINT* aCoordsList )
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{
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coords.clear();
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if( 0 == aListSize || NULL == aCoordsList )
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return;
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for( size_t i = 0; i < aListSize; ++i )
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coords.push_back( aCoordsList[i] );
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return;
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}
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void SGCOORDS::AddCoord( double aXValue, double aYValue, double aZValue )
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{
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coords.emplace_back( aXValue, aYValue, aZValue );
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return;
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}
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void SGCOORDS::AddCoord( const SGPOINT& aPoint )
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{
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coords.push_back( aPoint );
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return;
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}
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void SGCOORDS::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 SGCOORDS::WriteVRML( std::ostream& aFile, bool aReuseFlag )
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{
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if( coords.empty() )
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return false;
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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 << " coord DEF " << GetName() << " Coordinate { point [\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 << " coord 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 << " coord Coordinate { point [\n ";
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}
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std::string tmp;
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size_t n = coords.size();
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bool nline = false;
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SGPOINT pt;
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for( size_t i = 0; i < n; )
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{
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// ensure VRML output has 1U = 0.1 inch as per legacy kicad expectations
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pt = coords[i];
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pt.x /= 2.54;
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pt.y /= 2.54;
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pt.z /= 2.54;
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S3D::FormatPoint( tmp, pt );
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aFile << tmp ;
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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( nline )
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{
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aFile << "\n ";
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nline = false;
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}
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else
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{
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nline = true;
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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 SGCOORDS::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 = coords.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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S3D::WritePoint( aFile, coords[i] );
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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 SGCOORDS::ReadCache( std::istream& aFile, SGNODE* parentNode )
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{
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if( !coords.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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SGPOINT 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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if( !S3D::ReadPoint( aFile, tmp ) || aFile.fail() )
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return false;
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coords.push_back( tmp );
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}
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return true;
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}
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bool SGCOORDS::CalcNormals( SGFACESET* callingNode, SGNODE** aPtr )
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{
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if( aPtr )
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*aPtr = NULL;
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if( NULL == m_Parent || NULL == callingNode )
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return false;
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// the parent and all references must have indices; collect all
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// indices into one std::vector<>
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std::vector< int > ilist;
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SGNORMALS* np = NULL;
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if( callingNode == m_Parent )
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{
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((SGFACESET*)m_Parent)->GatherCoordIndices( ilist );
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std::list< SGNODE* >::iterator sB = m_BackPointers.begin();
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std::list< SGNODE* >::iterator eB = m_BackPointers.end();
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while( sB != eB )
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{
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SGFACESET* fp = (SGFACESET*)(*sB);
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fp->GatherCoordIndices( ilist );
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++sB;
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}
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np = ((SGFACESET*)m_Parent)->m_Normals;
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if( !np )
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np = new SGNORMALS( m_Parent );
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}
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else
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{
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callingNode->GatherCoordIndices( ilist );
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np = callingNode->m_Normals;
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if( !np )
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np = new SGNORMALS( callingNode );
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}
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if( S3D::CalcTriangleNormals( coords, ilist, np->norms ) )
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{
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if( aPtr )
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*aPtr = np;
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return true;
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}
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delete np;
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return false;
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}
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