412 lines
11 KiB
C++
412 lines
11 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) 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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#include <iostream>
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#include <sstream>
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#include <wx/log.h>
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#include "vrml2_base.h"
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#include "vrml2_shape.h"
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#include "plugins/3dapi/ifsg_all.h"
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#include "vrml2_faceset.h"
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WRL2SHAPE::WRL2SHAPE() : WRL2NODE()
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{
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appearance = nullptr;
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geometry = nullptr;
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m_Type = WRL2NODES::WRL2_SHAPE;
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}
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WRL2SHAPE::WRL2SHAPE( WRL2NODE* aParent ) : WRL2NODE()
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{
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appearance = nullptr;
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geometry = nullptr;
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m_Type = WRL2NODES::WRL2_SHAPE;
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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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}
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WRL2SHAPE::~WRL2SHAPE()
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( " * [INFO] Destroying Shape node with %zu children, %zu"
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"references, and %zu back pointers." ),
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m_Children.size(), m_Refs.size(), m_BackPointers.size() );
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}
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bool WRL2SHAPE::isDangling( void )
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{
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// this node is dangling unless it has a parent of type:
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// WRL2_TRANSFORM
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// WRL2_SWITCH
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if( nullptr == m_Parent
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|| ( m_Parent->GetNodeType() != WRL2NODES::WRL2_TRANSFORM
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&& m_Parent->GetNodeType() != WRL2NODES::WRL2_SWITCH ) )
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return true;
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return false;
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}
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bool WRL2SHAPE::AddRefNode( WRL2NODE* aNode )
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{
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wxCHECK_MSG( aNode, false, wxT( "Invalid node." ) );
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WRL2NODES type = aNode->GetNodeType();
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if( !checkNodeType( type ) )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; unexpected child node '%s'." ),
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__FILE__, __FUNCTION__, __LINE__, aNode->GetNodeTypeName( type ) );
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return false;
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}
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if( WRL2NODES::WRL2_APPEARANCE == type )
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{
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if( nullptr != appearance )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; multiple appearance nodes." ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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appearance = aNode;
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return WRL2NODE::AddRefNode( aNode );
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}
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if( nullptr != geometry )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; multiple geometry nodes." ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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geometry = aNode;
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return WRL2NODE::AddRefNode( aNode );
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}
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bool WRL2SHAPE::AddChildNode( WRL2NODE* aNode )
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{
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wxCHECK_MSG( aNode, false, wxT( "Invalid node." ) );
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WRL2NODES type = aNode->GetNodeType();
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if( !checkNodeType( type ) )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; unexpected child node '%s'." ),
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__FILE__, __FUNCTION__, __LINE__, aNode->GetNodeTypeName( type ) );
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return false;
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}
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if( WRL2NODES::WRL2_APPEARANCE == type )
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{
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if( nullptr != appearance )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; multiple appearance nodes." ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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appearance = aNode;
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return WRL2NODE::AddChildNode( aNode );
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}
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if( nullptr != geometry )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; multiple geometry nodes." ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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geometry = aNode;
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return WRL2NODE::AddChildNode( aNode );
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}
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bool WRL2SHAPE::checkNodeType( WRL2NODES aType )
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{
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switch( aType )
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{
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case WRL2NODES::WRL2_APPEARANCE:
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case WRL2NODES::WRL2_BOX:
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case WRL2NODES::WRL2_CONE:
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case WRL2NODES::WRL2_CYLINDER:
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case WRL2NODES::WRL2_ELEVATIONGRID:
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case WRL2NODES::WRL2_EXTRUSION:
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case WRL2NODES::WRL2_INDEXEDFACESET:
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case WRL2NODES::WRL2_INDEXEDLINESET:
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case WRL2NODES::WRL2_POINTSET:
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case WRL2NODES::WRL2_SPHERE:
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case WRL2NODES::WRL2_TEXT:
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break;
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default:
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return false;
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break;
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}
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return true;
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}
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bool WRL2SHAPE::Read( WRLPROC& proc, WRL2BASE* aTopNode )
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{
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wxCHECK_MSG( aTopNode, false, wxT( "Invalid top node." ) );
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char tok = proc.Peek();
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if( proc.eof() )
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{
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; unexpected eof %s." ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition() );
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return false;
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}
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if( '{' != tok )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] bad file format; expecting '{' but got '%s' %s." ),
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__FILE__, __FUNCTION__, __LINE__, tok, proc.GetFilePosition() );
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return false;
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}
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proc.Pop();
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std::string glob;
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while( true )
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{
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if( proc.Peek() == '}' )
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{
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proc.Pop();
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break;
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}
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if( !proc.ReadName( glob ) )
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{
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
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"%s" ),
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__FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
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return false;
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}
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// expecting one of:
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// appearance
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// geometry
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if( !glob.compare( "appearance" ) )
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{
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if( !aTopNode->ReadNode( proc, this, nullptr ) )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] could not read appearance node information." ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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}
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else if( !glob.compare( "geometry" ) )
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{
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if( !aTopNode->ReadNode( proc, this, nullptr ) )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] could not read geometry node information." ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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}
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else
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( "%s:%s:%d\n"
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" * [INFO] invalid Shape %s.\n"
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" * [INFO] file: '%s'\n" ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
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proc.GetFileName() );
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return false;
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}
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} // while( true ) -- reading contents of Shape{}
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return true;
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}
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SGNODE* WRL2SHAPE::TranslateToSG( SGNODE* aParent )
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{
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if( nullptr == geometry )
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return nullptr;
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WRL2NODES geomType = geometry->GetNodeType();
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switch( geomType )
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{
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case WRL2NODES::WRL2_INDEXEDLINESET:
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case WRL2NODES::WRL2_POINTSET:
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case WRL2NODES::WRL2_TEXT:
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return nullptr;
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break;
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default:
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break;
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}
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wxLogTrace( traceVrmlPlugin,
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wxT( " * [INFO] Translating Shape with %zu children, %zu references, and"
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"%zu back pointers." ),
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m_Children.size(), m_Refs.size(), m_BackPointers.size() );
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bool vcolors = false;
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if( WRL2NODES::WRL2_INDEXEDFACESET == geometry->GetNodeType() )
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vcolors = ((WRL2FACESET*)geometry)->HasColors();
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// if there is no appearance, make use of the per vertex colors if available
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if( nullptr == appearance )
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{
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if( WRL2NODES::WRL2_INDEXEDFACESET != geometry->GetNodeType() )
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return nullptr;
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if( !vcolors )
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return nullptr;
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}
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S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
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wxCHECK_MSG( aParent && ( ptype == S3D::SGTYPE_TRANSFORM ), nullptr,
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wxString::Format( wxT( "Shape does not have a Transform parent (parent "
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"ID: %d)." ), ptype ) );
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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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IFSG_SHAPE shNode( aParent );
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SGNODE* pShape = shNode.GetRawPtr();
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SGNODE* pGeom = geometry->TranslateToSG( pShape );
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if( nullptr == pGeom )
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{
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// this can happen if a VRML file contains
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// empty point or index sets
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shNode.Destroy();
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return nullptr;
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}
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SGNODE* pApp = nullptr;
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if( nullptr != appearance )
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pApp = appearance->TranslateToSG( pShape );
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if( nullptr != appearance && nullptr == pApp )
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{
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IFSG_FACESET tmp( false );
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tmp.Attach( pGeom );
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tmp.Destroy();
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shNode.Destroy();
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return nullptr;
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}
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m_sgNode = shNode.GetRawPtr();
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return m_sgNode;
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}
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void WRL2SHAPE::unlinkChildNode( const WRL2NODE* aNode )
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{
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if( nullptr == aNode )
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return;
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if( aNode == appearance )
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appearance = nullptr;
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else if( aNode == geometry )
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geometry = nullptr;
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WRL2NODE::unlinkChildNode( aNode );
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}
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void WRL2SHAPE::unlinkRefNode( const WRL2NODE* aNode )
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{
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if( nullptr == aNode )
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return;
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if( aNode == appearance )
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appearance = nullptr;
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else if( aNode == geometry )
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geometry = nullptr;
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WRL2NODE::unlinkRefNode( aNode );
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}
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