vrml1_separator.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015-2016 Cirilo Bernardo <[email protected]>
 * Copyright (C) 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
 */

#include <iostream>
#include <sstream>
#include <wx/log.h>

#include "vrml1_base.h"
#include "vrml1_separator.h"
#include "plugins/3dapi/ifsg_all.h"


WRL1SEPARATOR::WRL1SEPARATOR( NAMEREGISTER* aDictionary ) : WRL1NODE( aDictionary )
{
 m_Type = WRL1NODES::WRL1_SEPARATOR;
}


WRL1SEPARATOR::WRL1SEPARATOR( NAMEREGISTER* aDictionary, WRL1NODE* aParent ) :
 WRL1NODE( aDictionary )
{
 m_Type = WRL1NODES::WRL1_SEPARATOR;
 m_Parent = aParent;

 if( nullptr != m_Parent )
 m_Parent->AddChildNode( this );
}


WRL1SEPARATOR::~WRL1SEPARATOR()
{
 wxLogTrace( traceVrmlPlugin,
 wxT( " * [INFO] Destroying Separator with %zu children %zu references, and %zu "
 "back pointers." ),
 m_Children.size(), m_Refs.size(), m_BackPointers.size() );
}


bool WRL1SEPARATOR::Read( WRLPROC& proc, WRL1BASE* aTopNode )
{
 wxCHECK_MSG( aTopNode, false, wxT( "Invalid top node." ) );

 char tok = proc.Peek();

 if( proc.eof() )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; unexpected eof %s." ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition() );

 return false;
 }

 if( '{' != tok )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; expecting '{' but got '%s' %s." ),
 __FILE__, __FUNCTION__, __LINE__, tok, proc.GetFilePosition() );

 return false;
 }

 proc.Pop();

 while( true )
 {
 if( proc.Peek() == '}' )
 {
 proc.Pop();
 break;
 }

 if( !aTopNode->ReadNode( proc, this, nullptr ) )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; unexpected eof %s." ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition() );

 return false;
 }

 if( proc.Peek() == ',' )
 proc.Pop();

 } // while( true ) -- reading contents of Separator{}

 return true;
}


SGNODE* WRL1SEPARATOR::TranslateToSG( SGNODE* aParent, WRL1STATUS* sp )
{
 wxCHECK_MSG( m_Parent, nullptr, wxT( "Separator has no parent." ) );

 wxLogTrace( traceVrmlPlugin,
 wxT( " * [INFO] Translating Separator with %zu children, %zu references, and "
 "%zu back pointers (%zu total items)." ),
 m_Children.size(), m_Refs.size(), m_BackPointers.size(), m_Items.size() );

 if( sp != nullptr )
 m_current = *sp;
 else
 m_current.Init();

 S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );

 wxCHECK_MSG( aParent && ( ptype == S3D::SGTYPE_TRANSFORM ), nullptr,
 wxString::Format( wxT( "Separator does not have a Transform parent (parent "
 "ID: %d)." ), ptype ) );

 IFSG_TRANSFORM txNode( aParent );
 bool hasContent = false;

 std::list< WRL1NODE* >::iterator sI = m_Items.begin();
 std::list< WRL1NODE* >::iterator eI = m_Items.end();

 SGNODE* node = txNode.GetRawPtr();

 while( sI != eI )
 {
 if( nullptr != (*sI)->TranslateToSG( node, &m_current ) )
 hasContent = true;

 ++sI;
 }

 if( !hasContent )
 {
 txNode.Destroy();
 return nullptr;
 }

 return node;
}