122 lines
3.6 KiB
C++
122 lines
3.6 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) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 2013 Tuomas Vaherkoski <tuomasvaherkoski@gmail.com>
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* Copyright (C) 1992-2021 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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/*
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* Description:
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* This plugin implements the legacy KiCad X3D parser.
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* Due to the rare use of X3D models, this plugin is a simple
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* reimplementation of the legacy x3dmodelparser.cpp and is not
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* intended to be a compliant X3D implementation.
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*/
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#include <vector>
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#include <wx/tokenzr.h>
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#include <wx/wfstream.h>
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#include <wx/xml/xml.h>
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#include <iostream>
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#include "x3d.h"
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#include "x3d_ops.h"
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#include "x3d_transform.h"
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#include "plugins/3dapi/ifsg_all.h"
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SCENEGRAPH* X3DPARSER::Load( const wxString& aFileName )
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{
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wxFFileInputStream stream( aFileName );
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wxXmlDocument doc;
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if( !stream.IsOk() || !doc.Load( stream ) )
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return nullptr;
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if( doc.GetRoot()->GetName() != wxT( "X3D" ) )
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return nullptr;
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NODE_LIST children; // VRML Grouping Nodes at top level
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if( !getGroupingNodes( doc.GetRoot(), children ) )
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return nullptr;
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X3D_DICT dictionary; // dictionary for USE/DEF implementation
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X3DNODE* topNode = new X3DTRANSFORM;
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bool ok = false;
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for( NODE_LIST::iterator node_it = children.begin(); node_it != children.end(); ++node_it )
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{
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wxXmlNode* node = *node_it;
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wxString name = node->GetName();
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if( name == wxT( "Transform" ) || name == wxT( "Group" ) )
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{
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// Read a Transform / Group
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ok |= X3D::ReadTransform( node, topNode, dictionary );
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}
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else if( name == wxT( "Switch" ) )
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{
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ok |= X3D::ReadSwitch( node, topNode, dictionary );
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}
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}
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SCENEGRAPH* sp = nullptr;
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if( ok )
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sp = (SCENEGRAPH*) topNode->TranslateToSG( nullptr );
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delete topNode;
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return sp;
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}
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bool X3DPARSER::getGroupingNodes( wxXmlNode* aNode, std::vector<wxXmlNode*>& aResult )
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{
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aResult.clear();
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wxXmlNode* scene = nullptr;
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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( "Scene" ) )
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{
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scene = child;
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break;
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}
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}
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if( nullptr == scene )
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return false;
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for( wxXmlNode* child = scene->GetChildren(); child != nullptr; child = child->GetNext() )
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{
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const wxString& name = child->GetName();
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if( name == wxT( "Transform" ) || name == wxT( "Switch" ) || name == wxT( "Group" ) )
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aResult.push_back( child );
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}
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if( aResult.empty() )
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return false;
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return true;
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}
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