kicad/plugins/3d/vrml/x3d.cpp

122 lines
3.6 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
* Copyright (C) 2013 Tuomas Vaherkoski <tuomasvaherkoski@gmail.com>
* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* Description:
* This plugin implements the legacy KiCad X3D parser.
* Due to the rare use of X3D models, this plugin is a simple
* reimplementation of the legacy x3dmodelparser.cpp and is not
* intended to be a compliant X3D implementation.
*/
#include <vector>
#include <wx/tokenzr.h>
#include <wx/wfstream.h>
#include <wx/xml/xml.h>
#include <iostream>
#include "x3d.h"
#include "x3d_ops.h"
#include "x3d_transform.h"
#include "plugins/3dapi/ifsg_all.h"
SCENEGRAPH* X3DPARSER::Load( const wxString& aFileName )
{
wxFFileInputStream stream( aFileName );
wxXmlDocument doc;
if( !stream.IsOk() || !doc.Load( stream ) )
return nullptr;
if( doc.GetRoot()->GetName() != wxT( "X3D" ) )
return nullptr;
NODE_LIST children; // VRML Grouping Nodes at top level
if( !getGroupingNodes( doc.GetRoot(), children ) )
return nullptr;
X3D_DICT dictionary; // dictionary for USE/DEF implementation
X3DNODE* topNode = new X3DTRANSFORM;
bool ok = false;
for( NODE_LIST::iterator node_it = children.begin(); node_it != children.end(); ++node_it )
{
wxXmlNode* node = *node_it;
wxString name = node->GetName();
if( name == wxT( "Transform" ) || name == wxT( "Group" ) )
{
// Read a Transform / Group
ok |= X3D::ReadTransform( node, topNode, dictionary );
}
else if( name == wxT( "Switch" ) )
{
ok |= X3D::ReadSwitch( node, topNode, dictionary );
}
}
SCENEGRAPH* sp = nullptr;
if( ok )
sp = (SCENEGRAPH*) topNode->TranslateToSG( nullptr );
delete topNode;
return sp;
}
bool X3DPARSER::getGroupingNodes( wxXmlNode* aNode, std::vector<wxXmlNode*>& aResult )
{
aResult.clear();
wxXmlNode* scene = nullptr;
for( wxXmlNode* child = aNode->GetChildren(); child != nullptr; child = child->GetNext() )
{
if( child->GetName() == wxT( "Scene" ) )
{
scene = child;
break;
}
}
if( nullptr == scene )
return false;
for( wxXmlNode* child = scene->GetChildren(); child != nullptr; child = child->GetNext() )
{
const wxString& name = child->GetName();
if( name == wxT( "Transform" ) || name == wxT( "Switch" ) || name == wxT( "Group" ) )
aResult.push_back( child );
}
if( aResult.empty() )
return false;
return true;
}