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kicad/plugins/3d/vrml/x3d/x3d_shape.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
*
* 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/xml/xml.h>
#include <wx/log.h>
#include "x3d_ops.h"
#include "x3d_shape.h"
#include "plugins/3dapi/ifsg_all.h"
X3DSHAPE::X3DSHAPE() : X3DNODE()
{
m_Type = X3D_SHAPE;
appearance = NULL;
geometry = NULL;
return;
}
X3DSHAPE::X3DSHAPE( X3DNODE* aParent ) : X3DNODE()
{
m_Type = X3D_SHAPE;
appearance = NULL;
geometry = NULL;
if( NULL != aParent )
{
X3DNODES ptype = aParent->GetNodeType();
if( X3D_TRANSFORM == ptype || X3D_SWITCH == ptype )
m_Parent = aParent;
}
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return;
}
X3DSHAPE::~X3DSHAPE()
{
#if defined( DEBUG_X3D ) && ( DEBUG_X3D > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Destroying Shape with " << m_Children.size();
ostr << " children, " << m_Refs.size() << " references and ";
ostr << m_BackPointers.size() << " backpointers";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return;
}
bool X3DSHAPE::Read( wxXmlNode* aNode, X3DNODE* aTopNode, X3D_DICT& aDict )
{
if( NULL == aTopNode || NULL == aNode )
return false;
if( NULL != appearance || NULL != geometry )
return false;
m_Dict = &aDict;
wxXmlAttribute* prop;
for( prop = aNode->GetAttributes();
prop != NULL;
prop = prop->GetNext() )
{
const wxString& pname = prop->GetName();
if( pname == "DEF" )
{
m_Name = prop->GetValue();
m_Dict->AddName( m_Name, this );
}
}
for( wxXmlNode* child = aNode->GetChildren();
child != NULL;
child = child->GetNext() )
{
wxString name = child->GetName();
if( name == "Appearance" && NULL == appearance )
X3D::ReadAppearance( child, this, aDict );
else if( name == "IndexedFaceSet" && NULL == geometry )
X3D::ReadIndexedFaceSet( child, this, aDict );
}
if( NULL == appearance || NULL == geometry )
return false;
if( !SetParent( aTopNode ) )
return false;
return true;
}
bool X3DSHAPE::SetParent( X3DNODE* aParent, bool doUnlink )
{
if( aParent == m_Parent )
return true;
if( NULL != aParent )
{
X3DNODES nt = aParent->GetNodeType();
if( nt != X3D_SWITCH && nt != X3D_TRANSFORM )
return false;
}
if( NULL != m_Parent && doUnlink )
m_Parent->unlinkChildNode( this );
m_Parent = aParent;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return true;
}
bool X3DSHAPE::AddChildNode( X3DNODE* aNode )
{
if( NULL == aNode )
return false;
X3DNODES tchild = aNode->GetNodeType();
if( X3D_APPEARANCE != tchild && X3D_INDEXED_FACE_SET != tchild )
return false;
std::list< X3DNODE* >::iterator sC = m_Children.begin();
std::list< X3DNODE* >::iterator eC = m_Children.end();
while( sC != eC )
{
if( *sC == aNode )
return false;
++sC;
}
if( X3D_APPEARANCE == tchild )
{
if( NULL == appearance )
{
m_Children.push_back( aNode );
appearance = aNode;
}
else
return false;
}
else
{
if( NULL == geometry )
{
m_Children.push_back( aNode );
geometry = aNode;
}
else
return false;
}
if( aNode->GetParent() != this )
aNode->SetParent( this );
return true;
}
bool X3DSHAPE::AddRefNode( X3DNODE* aNode )
{
if( NULL == aNode )
return false;
X3DNODES tchild = aNode->GetNodeType();
if( X3D_APPEARANCE != tchild && X3D_INDEXED_FACE_SET != tchild )
return false;
std::list< X3DNODE* >::iterator sR = m_Refs.begin();
std::list< X3DNODE* >::iterator eR = m_Refs.end();
while( sR != eR )
{
if( *sR == aNode )
return false;
++sR;
}
if( X3D_APPEARANCE == tchild )
{
if( NULL == appearance )
{
m_Refs.push_back( aNode );
aNode->addNodeRef( this );
appearance = aNode;
}
else
return false;
}
else
{
if( NULL == geometry )
{
m_Refs.push_back( aNode );
aNode->addNodeRef( this );
geometry = aNode;
}
else
return false;
}
return true;
}
SGNODE* X3DSHAPE::TranslateToSG( SGNODE* aParent )
{
if( NULL == geometry || NULL == appearance )
return NULL;
#if defined( DEBUG_X3D ) && ( DEBUG_X3D > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Translating Shape with " << m_Children.size();
ostr << " children, " << m_Refs.size() << " references and ";
ostr << m_BackPointers.size() << " backpointers";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
if( NULL != aParent && ptype != S3D::SGTYPE_TRANSFORM )
{
#ifdef DEBUG_X3D
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] Shape does not have a Transform parent (parent ID: ";
ostr << ptype << ")";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return NULL;
}
if( m_sgNode )
{
if( NULL != aParent )
{
if( NULL == S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeChild( aParent, m_sgNode ) )
{
return NULL;
}
else if( aParent != S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeRef( aParent, m_sgNode ) )
{
return NULL;
}
}
return m_sgNode;
}
IFSG_SHAPE shNode( aParent );
SGNODE* pShape = shNode.GetRawPtr();
SGNODE* pGeom = geometry->TranslateToSG( pShape );
SGNODE* pApp = appearance->TranslateToSG( pShape );
if( NULL == pApp || NULL == pGeom )
{
if( pGeom )
{
IFSG_FACESET tmp( false );
tmp.Attach( pGeom );
tmp.Destroy();
}
if( pApp )
{
IFSG_APPEARANCE tmp( false );
tmp.Attach( pApp );
tmp.Destroy();
}
shNode.Destroy();
return NULL;
}
m_sgNode = shNode.GetRawPtr();
return m_sgNode;
}
void X3DSHAPE::unlinkChildNode( const X3DNODE* aNode )
{
if( NULL == aNode )
return;
if( aNode == appearance )
appearance = NULL;
else if( aNode == geometry )
geometry = NULL;
X3DNODE::unlinkChildNode( aNode );
return;
}
void X3DSHAPE::unlinkRefNode( const X3DNODE* aNode )
{
if( NULL == aNode )
return;
if( aNode == appearance )
appearance = NULL;
else if( aNode == geometry )
geometry = NULL;
X3DNODE::unlinkRefNode( aNode );
return;
}
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