433 lines
12 KiB
C++
433 lines
12 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 "vrml1_base.h"
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#include "vrml1_faceset.h"
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#include "vrml1_coords.h"
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#include "vrml1_material.h"
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#include "wrlfacet.h"
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#include "plugins/3dapi/ifsg_all.h"
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WRL1FACESET::WRL1FACESET( NAMEREGISTER* aDictionary ) : WRL1NODE( aDictionary )
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{
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m_Type = WRL1NODES::WRL1_INDEXEDFACESET;
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}
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WRL1FACESET::WRL1FACESET( NAMEREGISTER* aDictionary, WRL1NODE* aParent ) :
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WRL1NODE( aDictionary )
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{
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m_Type = WRL1NODES::WRL1_INDEXEDFACESET;
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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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WRL1FACESET::~WRL1FACESET()
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{
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wxLogTrace( traceVrmlPlugin, wxT( " * [INFO] Destroying IndexedFaceSet with %zu children, "
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"%zu 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 WRL1FACESET::AddRefNode( WRL1NODE* aNode )
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{
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// this node may not own or reference any other node
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wxCHECK_MSG( false, false, wxT( "AddRefNode is not applicable." ) );
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}
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bool WRL1FACESET::AddChildNode( WRL1NODE* aNode )
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{
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// this node may not own or reference any other node
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wxCHECK_MSG( false, false, wxT( "AddChildNode is not applicable." ) );
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}
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bool WRL1FACESET::Read( WRLPROC& proc, WRL1BASE* aTopNode )
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{
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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,
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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%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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// coordIndex[]
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// materialIndex[]
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if( !glob.compare( "coordIndex" ) )
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{
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if( !proc.ReadMFInt( coordIndex ) )
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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 coordIndex %s.\n"
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" * [INFO] file: '%s'\n"
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"%s" ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
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proc.GetFileName(), proc.GetError() );
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return false;
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}
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}
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else if( !glob.compare( "materialIndex" ) )
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{
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if( !proc.ReadMFInt( matIndex ) )
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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 materialIndex %s.\n"
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" * [INFO] file: '%s'\n"
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"%s" ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
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proc.GetFileName(), proc.GetError() );
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return false;
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}
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}
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else if( !glob.compare( "normalIndex" ) )
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{
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if( !proc.ReadMFInt( normIndex ) )
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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 normalIndex %s\n"
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" * [INFO] file: '%s'\n"
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"%s" ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
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proc.GetFileName(), proc.GetError() );
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return false;
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}
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}
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else if( !glob.compare( "textureCoordIndex" ) )
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{
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if( !proc.ReadMFInt( texIndex ) )
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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 textureCoordIndex %s.\n"
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" * [INFO] file: '%s'\n"
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"%s" ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
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proc.GetFileName(), proc.GetError() );
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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 IndexedFaceSet %s.\n"
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" * [INFO] file: '%s'" ),
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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 IndexedFaceSet{}
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return true;
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}
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SGNODE* WRL1FACESET::TranslateToSG( SGNODE* aParent, WRL1STATUS* sp )
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{
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// note: m_sgNode is unused because we cannot manage everything
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// with a single reused transform due to the fact that VRML1
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// may use a MatrixTransformation entity which is impossible to
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// decompose into Rotate,Scale,Transform via an analytic expression.
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if( !m_Parent )
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{
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wxLogTrace( traceVrmlPlugin, " * [INFO] bad model: no parent node." );
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return nullptr;
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}
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else
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{
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if( nullptr == sp )
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{
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wxLogTrace( traceVrmlPlugin, " * [INFO] bad model: no base data given." );
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return nullptr;
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}
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}
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m_current = *sp;
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if( nullptr == m_current.coord )
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{
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wxLogTrace( traceVrmlPlugin, " * [INFO] bad model: no vertex set." );
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return nullptr;
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}
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if( nullptr == m_current.mat )
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{
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wxLogTrace( traceVrmlPlugin, " * [INFO] bad model: no material set." );
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return nullptr;
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}
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WRLVEC3F* pcoords;
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size_t coordsize;
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m_current.coord->GetCoords( pcoords, coordsize );
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size_t vsize = coordIndex.size();
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if( coordsize < 3 || vsize < 3 )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( " * [INFO] bad model: coordsize = %zu, indexsize = %zu" ),
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coordsize, vsize );
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return nullptr;
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}
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// 1. create the vertex/normals/colors lists
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SGNODE* sgcolor = nullptr;
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WRL1_BINDING mbind = m_current.matbind;
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size_t matSize = matIndex.size();
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switch( mbind )
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{
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case WRL1_BINDING::BIND_PER_FACE:
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case WRL1_BINDING::BIND_PER_VERTEX:
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case WRL1_BINDING::BIND_PER_VERTEX_INDEXED:
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break;
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case WRL1_BINDING::BIND_PER_FACE_INDEXED:
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if( matIndex.empty() )
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{
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wxLogTrace( traceVrmlPlugin,
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wxT( " * [INFO] bad model: per face indexed but no indices" ) );
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// support bad models by temporarily switching bindings
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mbind = WRL1_BINDING::BIND_OVERALL;
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sgcolor = m_current.mat->GetAppearance( 0 );
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}
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break;
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default:
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// use the first appearance definition
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sgcolor = m_current.mat->GetAppearance( 0 );
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break;
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}
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// copy the data into FACET structures
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SHAPE lShape;
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FACET* fp = nullptr;
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size_t iCoord;
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int idx; // coordinate index
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size_t cidx = 0; // color index
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SGCOLOR pc1;
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if( mbind == WRL1_BINDING::BIND_OVERALL || mbind == WRL1_BINDING::BIND_DEFAULT )
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{
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// no per-vertex colors; we can save a few CPU cycles
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for( iCoord = 0; iCoord < vsize; ++iCoord )
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{
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idx = coordIndex[iCoord];
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if( idx < 0 )
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{
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if( nullptr != fp )
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{
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if( fp->HasMinPoints() )
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fp = nullptr;
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else
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fp->Init();
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}
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continue;
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}
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// if the coordinate is bad then skip it
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if( idx >= (int)coordsize )
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continue;
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if( nullptr == fp )
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fp = lShape.NewFacet();
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// push the vertex value and index
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WRLVEC3F vf;
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glm::vec4 pt = glm::vec4( pcoords[idx].x, pcoords[idx].y, pcoords[idx].z, 1.0 );
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pt = m_current.txmatrix * pt;
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vf.x = pt.x;
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vf.y = pt.y;
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vf.z = pt.z;
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fp->AddVertex( vf, idx );
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}
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}
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else
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{
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for( iCoord = 0; iCoord < vsize; ++iCoord )
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{
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idx = coordIndex[iCoord];
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if( idx < 0 )
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{
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if( nullptr != fp )
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{
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if( fp->HasMinPoints() )
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fp = nullptr;
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else
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fp->Init();
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}
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if( mbind == WRL1_BINDING::BIND_PER_FACE
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|| mbind == WRL1_BINDING::BIND_PER_FACE_INDEXED )
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++cidx;
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continue;
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}
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// if the coordinate is bad then skip it
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if( idx >= (int)coordsize )
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continue;
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if( nullptr == fp )
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fp = lShape.NewFacet();
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// push the vertex value and index
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WRLVEC3F vf;
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glm::vec4 pt = glm::vec4( pcoords[idx].x, pcoords[idx].y, pcoords[idx].z, 1.0 );
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pt = m_current.txmatrix * pt;
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vf.x = pt.x;
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vf.y = pt.y;
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vf.z = pt.z;
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fp->AddVertex( vf, idx );
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// push the color if appropriate
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switch( mbind )
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{
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case WRL1_BINDING::BIND_PER_FACE:
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if( !fp->HasColors() )
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{
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m_current.mat->GetColor( &pc1, cidx );
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fp->AddColor( pc1 );
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}
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break;
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case WRL1_BINDING::BIND_PER_VERTEX:
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m_current.mat->GetColor( &pc1, idx );
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fp->AddColor( pc1 );
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break;
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case WRL1_BINDING::BIND_PER_FACE_INDEXED:
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if( !fp->HasColors() )
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{
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if( cidx >= matSize )
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m_current.mat->GetColor( &pc1, matIndex.back() );
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else
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m_current.mat->GetColor( &pc1, matIndex[cidx] );
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fp->AddColor( pc1 );
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}
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break;
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case WRL1_BINDING::BIND_PER_VERTEX_INDEXED:
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if( matIndex.empty() )
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{
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m_current.mat->GetColor( &pc1, idx );
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}
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else
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{
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if( iCoord >= matSize )
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m_current.mat->GetColor( &pc1, matIndex.back() );
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else
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m_current.mat->GetColor( &pc1, matIndex[iCoord] );
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}
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fp->AddColor( pc1 );
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break;
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default:
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break;
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}
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}
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}
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// extract the final data set
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SGNODE* np = lShape.CalcShape( aParent, sgcolor, m_current.order, m_current.creaseLimit );
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return np;
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}
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