Seth Hillbrand
0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
328 lines
7.8 KiB
C++
328 lines
7.8 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) 2016 Cirilo Bernardo <[email protected]>
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* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
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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 <cmath>
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#include <wx/log.h>
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#include <wx/xml/xml.h>
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#include <wx/tokenzr.h>
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#include "x3d_ops.h"
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#include "x3d_ifaceset.h"
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#include "x3d_coords.h"
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#include "plugins/3dapi/ifsg_all.h"
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#include "wrlfacet.h"
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X3DIFACESET::X3DIFACESET() : X3DNODE()
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{
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m_Type = X3D_INDEXED_FACE_SET;
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coord = nullptr;
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init();
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}
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X3DIFACESET::X3DIFACESET( X3DNODE* aParent ) : X3DNODE()
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{
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m_Type = X3D_INDEXED_FACE_SET;
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coord = nullptr;
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init();
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if( nullptr != aParent )
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{
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X3DNODES ptype = aParent->GetNodeType();
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if( X3D_SHAPE == ptype )
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m_Parent = aParent;
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}
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if( nullptr != m_Parent )
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m_Parent->AddChildNode( this );
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}
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X3DIFACESET::~X3DIFACESET()
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{
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wxLogTrace( traceVrmlPlugin, wxT( " * [INFO] Destroying IndexedFaceSet." ) );
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}
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void X3DIFACESET::init()
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{
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coord = nullptr;
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ccw = true;
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creaseAngle = 0.733f; // approx 42 degrees; this is larger than VRML spec.
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creaseLimit = 0.74317f; // cos( 0.733 )
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}
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void X3DIFACESET::readFields( wxXmlNode* aNode )
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{
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// DEF
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// ccw
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// creaseAngle
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// coordIndex
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wxXmlAttribute* prop;
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for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
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{
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const wxString& pname = prop->GetName();
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if( pname == wxT( "DEF" ) )
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{
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m_Name = prop->GetValue();
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m_Dict->AddName( m_Name, this );
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}
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else if( pname == wxT( "ccw" ) )
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{
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X3D::ParseSFBool( prop->GetValue(), ccw );
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}
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else if( pname == wxT( "creaseAngle" ) )
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{
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X3D::ParseSFFloat( prop->GetValue(), creaseAngle );
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if( creaseAngle < 0.0f )
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creaseAngle = 0.0f;
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else if( creaseAngle > static_cast<float>( M_PI * 0.34f ) )
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creaseAngle = static_cast<float>( M_PI / 3.0f );
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creaseLimit = cosf( creaseAngle );
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}
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else if( pname == wxT( "coordIndex" ) )
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{
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wxStringTokenizer indices( prop->GetValue() );
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while( indices.HasMoreTokens() )
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{
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long index = 0;
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indices.GetNextToken().ToLong( &index );
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coordIndex.push_back( (int) index );
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}
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}
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}
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}
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bool X3DIFACESET::Read( wxXmlNode* aNode, X3DNODE* aTopNode, X3D_DICT& aDict )
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{
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if( nullptr == aTopNode || nullptr == aNode )
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return false;
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m_Dict = &aDict;
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readFields( aNode );
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bool ok = false;
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for( wxXmlNode* child = aNode->GetChildren(); child != nullptr; child = child->GetNext() )
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{
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if( child->GetName() == wxT( "Coordinate" ) )
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ok = X3D::ReadCoordinates( child, this, aDict );
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}
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if( false == ok )
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return false;
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if( !SetParent( aTopNode ) )
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return false;
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return true;
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}
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bool X3DIFACESET::SetParent( X3DNODE* aParent, bool doUnlink )
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{
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if( aParent == m_Parent )
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return true;
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if( nullptr != aParent )
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{
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X3DNODES nt = aParent->GetNodeType();
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if( nt != X3D_SHAPE )
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return false;
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}
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if( nullptr != m_Parent && doUnlink )
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m_Parent->unlinkChildNode( this );
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m_Parent = aParent;
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if( nullptr != m_Parent )
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m_Parent->AddChildNode( this );
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return true;
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}
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bool X3DIFACESET::AddChildNode( X3DNODE* aNode )
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{
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if( nullptr == aNode )
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return false;
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if( aNode->GetNodeType() != X3D_COORDINATE )
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return false;
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if( aNode == coord )
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return true;
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if( nullptr != coord )
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return false;
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m_Children.push_back( aNode );
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coord = aNode;
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if( aNode->GetParent() != this )
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aNode->SetParent( this );
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return true;
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}
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bool X3DIFACESET::AddRefNode( X3DNODE* aNode )
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{
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if( nullptr == aNode )
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return false;
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if( aNode->GetNodeType() != X3D_COORDINATE )
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return false;
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if( aNode == coord )
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return true;
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if( nullptr != coord )
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return false;
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m_Refs.push_back( aNode );
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aNode->addNodeRef( this );
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coord = aNode;
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return true;
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}
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SGNODE* X3DIFACESET::TranslateToSG( SGNODE* aParent )
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{
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S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
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if( nullptr != aParent && ptype != S3D::SGTYPE_SHAPE )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( " * [BUG] IndexedFaceSet does not have a valid Shape parent "
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"(parent ID: %d)" ), ptype );
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return nullptr;
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}
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wxLogTrace( traceVrmlPlugin,
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wxT( " * [INFO] Translating IndexedFaceSet with %zu children, %zu references, "
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"%zu back pointers, and %zu coordinate indices." ),
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m_Children.size(), m_Refs.size(), m_BackPointers.size(), coordIndex.size() );
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if( m_sgNode )
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{
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if( nullptr != aParent )
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{
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if( nullptr == S3D::GetSGNodeParent( m_sgNode )
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&& !S3D::AddSGNodeChild( aParent, m_sgNode ) )
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{
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return nullptr;
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}
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else if( aParent != S3D::GetSGNodeParent( m_sgNode )
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&& !S3D::AddSGNodeRef( aParent, m_sgNode ) )
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{
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return nullptr;
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}
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}
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return m_sgNode;
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}
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size_t vsize = coordIndex.size();
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if( nullptr == coord || vsize < 3 )
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return nullptr;
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WRLVEC3F* pcoords;
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size_t coordsize;
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((X3DCOORDS*) coord)->GetCoords( pcoords, coordsize );
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if( coordsize < 3 )
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return nullptr;
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// check that all indices are valid
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for( size_t idx = 0; idx < vsize; ++idx )
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{
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if( coordIndex[idx] < 0 )
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continue;
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if( coordIndex[idx] >= (int)coordsize )
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return nullptr;
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}
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SHAPE lShape;
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FACET* fp = nullptr;
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size_t iCoord;
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int idx; // coordinate index
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// no per-vertex colors; we can save a few CPU cycles
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for( iCoord = 0; iCoord < vsize; ++iCoord )
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{
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idx = coordIndex[iCoord];
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if( idx < 0 )
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{
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if( nullptr != fp )
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{
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if( fp->HasMinPoints() )
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fp = nullptr;
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else
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fp->Init();
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}
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continue;
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}
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// if the coordinate is bad then skip it
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if( idx >= (int)coordsize )
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continue;
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if( nullptr == fp )
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fp = lShape.NewFacet();
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// push the vertex value and index
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fp->AddVertex( pcoords[idx], idx );
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}
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SGNODE* np = nullptr;
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if( ccw )
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np = lShape.CalcShape( aParent, nullptr, WRL1_ORDER::ORD_CCW, creaseLimit, true );
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else
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np = lShape.CalcShape( aParent, nullptr, WRL1_ORDER::ORD_CLOCKWISE, creaseLimit, true );
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return np;
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}
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