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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
784 lines
19 KiB
C++
784 lines
19 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) 2015-2017 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright The 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 "3d_cache/sg/sg_shape.h"
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#include "3d_cache/sg/sg_faceset.h"
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#include "3d_cache/sg/sg_appearance.h"
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#include "3d_cache/sg/sg_helpers.h"
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#include "3d_cache/sg/sg_coordindex.h"
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#include "3d_cache/sg/sg_coords.h"
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#include "3d_cache/sg/sg_colors.h"
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#include "3d_cache/sg/sg_normals.h"
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SGSHAPE::SGSHAPE( SGNODE* aParent ) : SGNODE( aParent )
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{
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m_SGtype = S3D::SGTYPE_SHAPE;
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m_Appearance = nullptr;
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m_RAppearance = nullptr;
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m_FaceSet = nullptr;
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m_RFaceSet = nullptr;
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if( nullptr != aParent && S3D::SGTYPE_TRANSFORM != aParent->GetNodeType() )
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{
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m_Parent = nullptr;
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] inappropriate parent to SGSHAPE (type %d)" ),
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__FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
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}
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else if( nullptr != aParent && S3D::SGTYPE_TRANSFORM == aParent->GetNodeType() )
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{
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m_Parent->AddChildNode( this );
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}
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}
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SGSHAPE::~SGSHAPE()
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{
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// drop references
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if( m_RAppearance )
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{
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m_RAppearance->delNodeRef( this );
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m_RAppearance = nullptr;
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}
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if( m_RFaceSet )
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{
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m_RFaceSet->delNodeRef( this );
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m_RFaceSet = nullptr;
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}
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// delete objects
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if( m_Appearance )
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{
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m_Appearance->SetParent( nullptr, false );
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delete m_Appearance;
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m_Appearance = nullptr;
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}
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if( m_FaceSet )
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{
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m_FaceSet->SetParent( nullptr, false );
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delete m_FaceSet;
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m_FaceSet = nullptr;
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}
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}
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bool SGSHAPE::SetParent( SGNODE* aParent, bool notify )
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{
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if( nullptr != m_Parent )
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{
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if( aParent == m_Parent )
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return true;
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// handle the change in parents
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if( notify )
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m_Parent->unlinkChildNode( this );
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m_Parent = nullptr;
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if( nullptr == aParent )
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return true;
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}
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// only a SGTRANSFORM may be parent to a SGSHAPE
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if( nullptr != aParent && S3D::SGTYPE_TRANSFORM != aParent->GetNodeType() )
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return false;
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m_Parent = aParent;
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if( m_Parent )
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m_Parent->AddChildNode( this );
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return true;
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}
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SGNODE* SGSHAPE::FindNode( const char* aNodeName, const SGNODE* aCaller )
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{
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if( nullptr == aNodeName || 0 == aNodeName[0] )
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return nullptr;
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if( !m_Name.compare( aNodeName ) )
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return this;
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SGNODE* tmp = nullptr;
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if( nullptr != m_Appearance )
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{
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tmp = m_Appearance->FindNode( aNodeName, this );
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if( tmp )
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{
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return tmp;
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}
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}
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if( nullptr != m_FaceSet )
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{
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tmp = m_FaceSet->FindNode( aNodeName, this );
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if( tmp )
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{
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return tmp;
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}
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}
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// query the parent if appropriate
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if( aCaller == m_Parent || nullptr == m_Parent )
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return nullptr;
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return m_Parent->FindNode( aNodeName, this );
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}
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void SGSHAPE::unlinkNode( const SGNODE* aNode, bool isChild )
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{
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if( nullptr == aNode )
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return;
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if( isChild )
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{
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if( aNode == m_Appearance )
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{
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m_Appearance = nullptr;
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return;
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}
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if( aNode == m_FaceSet )
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{
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m_FaceSet = nullptr;
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return;
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}
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}
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else
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{
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if( aNode == m_RAppearance )
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{
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delNodeRef( this );
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m_RAppearance = nullptr;
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return;
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}
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if( aNode == m_RFaceSet )
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{
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delNodeRef( this );
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m_RFaceSet = nullptr;
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return;
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}
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}
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] unlinkNode() did not find its target" ),
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__FILE__, __FUNCTION__, __LINE__ );
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}
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void SGSHAPE::unlinkChildNode( const SGNODE* aNode )
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{
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unlinkNode( aNode, true );
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}
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void SGSHAPE::unlinkRefNode( const SGNODE* aNode )
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{
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unlinkNode( aNode, false );
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}
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bool SGSHAPE::addNode( SGNODE* aNode, bool isChild )
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{
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wxCHECK( aNode, false );
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if( S3D::SGTYPE_APPEARANCE == aNode->GetNodeType() )
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{
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if( m_Appearance || m_RAppearance )
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{
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if( aNode != m_Appearance && aNode != m_RAppearance )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] assigning multiple Appearance "
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"nodes" ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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return true;
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}
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if( isChild )
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{
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m_Appearance = (SGAPPEARANCE*)aNode;
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m_Appearance->SetParent( this );
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}
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else
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{
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m_RAppearance = (SGAPPEARANCE*)aNode;
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m_RAppearance->addNodeRef( this );
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}
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return true;
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}
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if( S3D::SGTYPE_FACESET == aNode->GetNodeType() )
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{
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if( m_FaceSet || m_RFaceSet )
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{
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if( aNode != m_FaceSet && aNode != m_RFaceSet )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] assigning multiple FaceSet nodes" ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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return true;
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}
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if( isChild )
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{
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m_FaceSet = (SGFACESET*)aNode;
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m_FaceSet->SetParent( this );
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}
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else
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{
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m_RFaceSet = (SGFACESET*)aNode;
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m_RFaceSet->addNodeRef( this );
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}
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return true;
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}
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] object %s is not a valid type for this "
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"object (%d)" ),
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__FILE__, __FUNCTION__, __LINE__, aNode->GetName(), aNode->GetNodeType() );
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return false;
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}
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bool SGSHAPE::AddRefNode( SGNODE* aNode )
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{
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return addNode( aNode, false );
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}
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bool SGSHAPE::AddChildNode( SGNODE* aNode )
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{
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return addNode( aNode, true );
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}
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void SGSHAPE::ReNameNodes( void )
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{
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m_written = false;
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// rename this node
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m_Name.clear();
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GetName();
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// rename Appearance
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if( m_Appearance )
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m_Appearance->ReNameNodes();
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// rename FaceSet
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if( m_FaceSet )
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m_FaceSet->ReNameNodes();
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}
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bool SGSHAPE::WriteVRML( std::ostream& aFile, bool aReuseFlag )
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{
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if( !m_Appearance && !m_RAppearance && !m_FaceSet && !m_RFaceSet )
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{
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return false;
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}
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if( aReuseFlag )
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{
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if( !m_written )
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{
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aFile << "DEF " << GetName() << " Shape {\n";
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m_written = true;
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}
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else
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{
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aFile << " USE " << GetName() << "\n";
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return true;
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}
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}
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else
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{
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aFile << " Shape {\n";
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}
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if( m_Appearance )
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m_Appearance->WriteVRML( aFile, aReuseFlag );
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if( m_RAppearance )
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m_RAppearance->WriteVRML( aFile, aReuseFlag );
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if( m_FaceSet )
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m_FaceSet->WriteVRML( aFile, aReuseFlag );
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if( m_RFaceSet )
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m_RFaceSet->WriteVRML( aFile, aReuseFlag );
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aFile << "}\n";
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return true;
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}
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bool SGSHAPE::WriteCache( std::ostream& aFile, SGNODE* parentNode )
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{
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if( nullptr == parentNode )
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{
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wxCHECK( m_Parent, false );
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SGNODE* np = m_Parent;
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while( nullptr != np->GetParent() )
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np = np->GetParent();
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if( np->WriteCache( aFile, nullptr ) )
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{
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m_written = true;
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return true;
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}
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return false;
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}
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wxCHECK( parentNode == m_Parent, false );
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if( !aFile.good() )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] bad stream" ),
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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// check if any references are unwritten and swap parents if so
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if( nullptr != m_RAppearance && !m_RAppearance->isWritten() )
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m_RAppearance->SwapParent(this);
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if( nullptr != m_RFaceSet && !m_RFaceSet->isWritten() )
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m_RFaceSet->SwapParent( this );
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aFile << "[" << GetName() << "]";
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#define NITEMS 4
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bool items[NITEMS];
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int i;
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for( i = 0; i < NITEMS; ++i )
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items[i] = 0;
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i = 0;
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if( nullptr != m_Appearance )
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items[i] = true;
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++i;
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if( nullptr != m_RAppearance )
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items[i] = true;
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++i;
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if( nullptr != m_FaceSet )
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items[i] = true;
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++i;
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if( nullptr != m_RFaceSet )
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items[i] = true;
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for( int jj = 0; jj < NITEMS; ++jj )
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aFile.write( (char*)&items[jj], sizeof(bool) );
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if( items[0] )
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m_Appearance->WriteCache( aFile, this );
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if( items[1] )
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aFile << "[" << m_RAppearance->GetName() << "]";
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if( items[2] )
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m_FaceSet->WriteCache( aFile, this );
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if( items[3] )
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aFile << "[" << m_RFaceSet->GetName() << "]";
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if( aFile.fail() )
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return false;
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m_written = true;
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return true;
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}
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bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
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{
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wxCHECK( m_Appearance == nullptr && m_RAppearance == nullptr && m_FaceSet == nullptr &&
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m_RFaceSet == nullptr, false );
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#define NITEMS 4
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bool items[NITEMS];
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for( int i = 0; i < NITEMS; ++i )
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aFile.read( (char*)&items[i], sizeof(bool) );
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if( ( items[0] && items[1] ) || ( items[2] && items[3] ) )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; multiple item definitions "
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"at position %ul" ),
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__FILE__, __FUNCTION__, __LINE__,
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static_cast<unsigned long>( aFile.tellg() ) );
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return false;
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}
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std::string name;
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if( items[0] )
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{
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if( S3D::SGTYPE_APPEARANCE != S3D::ReadTag( aFile, name ) )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child appearance "
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"tag at position %ul" ),
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__FILE__, __FUNCTION__, __LINE__,
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static_cast<unsigned long>( aFile.tellg() ) );
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return false;
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}
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m_Appearance = new SGAPPEARANCE( this );
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m_Appearance->SetName( name.c_str() );
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if( !m_Appearance->ReadCache( aFile, this ) )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading appearance "
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"'%s'" ),
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__FILE__, __FUNCTION__, __LINE__, name );
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return false;
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}
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}
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if( items[1] )
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{
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if( S3D::SGTYPE_APPEARANCE != S3D::ReadTag( aFile, name ) )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref appearance tag "
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"at position %ul" ),
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__FILE__, __FUNCTION__, __LINE__,
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static_cast<unsigned long>( aFile.tellg() ) );
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return false;
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}
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SGNODE* np = FindNode( name.c_str(), this );
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if( !np )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: cannot find ref "
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"appearance '%s'" ),
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__FILE__, __FUNCTION__, __LINE__,
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name );
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return false;
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}
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if( S3D::SGTYPE_APPEARANCE != np->GetNodeType() )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: type is not "
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"SGAPPEARANCE '%s'" ),
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__FILE__, __FUNCTION__, __LINE__,
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name );
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return false;
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}
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m_RAppearance = (SGAPPEARANCE*)np;
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m_RAppearance->addNodeRef( this );
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}
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|
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if( items[2] )
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{
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if( S3D::SGTYPE_FACESET != S3D::ReadTag( aFile, name ) )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child face set tag "
|
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"at position %ul" ),
|
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__FILE__, __FUNCTION__, __LINE__,
|
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static_cast<unsigned long>( aFile.tellg() ) );
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return false;
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}
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|
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m_FaceSet = new SGFACESET( this );
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m_FaceSet->SetName( name.c_str() );
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if( !m_FaceSet->ReadCache( aFile, this ) )
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{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading face set "
|
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"'%s'" ),
|
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__FILE__, __FUNCTION__, __LINE__, name );
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|
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return false;
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}
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}
|
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|
|
if( items[3] )
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{
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if( S3D::SGTYPE_FACESET != S3D::ReadTag( aFile, name ) )
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|
{
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wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref face set tag at "
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"position %ul" ),
|
|
__FILE__, __FUNCTION__, __LINE__,
|
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static_cast<unsigned long>( aFile.tellg() ) );
|
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|
|
return false;
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|
}
|
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|
|
SGNODE* np = FindNode( name.c_str(), this );
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|
|
if( !np )
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|
{
|
|
wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: cannot find ref face "
|
|
"set '%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__,
|
|
name );
|
|
|
|
return false;
|
|
}
|
|
|
|
if( S3D::SGTYPE_FACESET != np->GetNodeType() )
|
|
{
|
|
wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: type is not SGFACESET "
|
|
"'%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__,
|
|
name );
|
|
|
|
return false;
|
|
}
|
|
|
|
m_RFaceSet = (SGFACESET*)np;
|
|
m_RFaceSet->addNodeRef( this );
|
|
}
|
|
|
|
if( aFile.fail() )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool SGSHAPE::Prepare( const glm::dmat4* aTransform, S3D::MATLIST& materials,
|
|
std::vector< SMESH >& meshes )
|
|
{
|
|
SMESH m;
|
|
S3D::INIT_SMESH( m );
|
|
|
|
SGAPPEARANCE* pa = m_Appearance;
|
|
SGFACESET* pf = m_FaceSet;
|
|
|
|
if( nullptr == pa )
|
|
pa = m_RAppearance;
|
|
|
|
if( nullptr == pf )
|
|
pf = m_RFaceSet;
|
|
|
|
// no face sets = nothing to render, which is valid though pointless
|
|
if( nullptr == pf )
|
|
return true;
|
|
|
|
if( !pf->validate() )
|
|
{
|
|
wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; inconsistent data" ),
|
|
__FILE__, __FUNCTION__, __LINE__ );
|
|
|
|
return true;
|
|
}
|
|
|
|
if( nullptr == pa )
|
|
{
|
|
m.m_MaterialIdx = 0;
|
|
}
|
|
else
|
|
{
|
|
int idx;
|
|
|
|
if( !S3D::GetMatIndex( materials, pa, idx ) )
|
|
{
|
|
m.m_MaterialIdx = 0;
|
|
}
|
|
else
|
|
{
|
|
m.m_MaterialIdx = idx;
|
|
}
|
|
}
|
|
|
|
SGCOLORS* pc = pf->m_Colors;
|
|
SGCOORDS* pv = pf->m_Coords;
|
|
SGCOORDINDEX* vidx = pf->m_CoordIndices;
|
|
SGNORMALS* pn = pf->m_Normals;
|
|
|
|
if( nullptr == pc )
|
|
pc = pf->m_RColors;
|
|
|
|
if( nullptr == pv )
|
|
pv = pf->m_RCoords;
|
|
|
|
if( nullptr == pn )
|
|
pn = pf->m_RNormals;
|
|
|
|
// set the vertex points and indices
|
|
size_t nCoords = 0;
|
|
SGPOINT* pCoords = nullptr;
|
|
pv->GetCoordsList( nCoords, pCoords );
|
|
|
|
size_t nColors = 0;
|
|
SGCOLOR* pColors = nullptr;
|
|
|
|
if( pc )
|
|
{
|
|
// check the vertex colors
|
|
pc->GetColorList( nColors, pColors );
|
|
|
|
if( nColors < nCoords )
|
|
{
|
|
wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; not enough colors per "
|
|
"vertex (%ul vs %ul)" ),
|
|
__FILE__, __FUNCTION__, __LINE__, static_cast<unsigned long>( nColors ),
|
|
static_cast<unsigned long>( nCoords ) );
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// set the vertex indices
|
|
size_t nvidx = 0;
|
|
int* lv = nullptr;
|
|
vidx->GetIndices( nvidx, lv );
|
|
|
|
// note: reduce the vertex set to include only the referenced vertices
|
|
std::vector< int > vertices; // store the list of temp vertex indices
|
|
std::map< int, unsigned int > indexmap; // map temp vertex to true vertex
|
|
std::map< int, unsigned int >::iterator mit;
|
|
|
|
for( unsigned int i = 0; i < nvidx; ++i )
|
|
{
|
|
mit = indexmap.find( lv[i] );
|
|
|
|
if( mit == indexmap.end() )
|
|
{
|
|
indexmap.emplace( lv[i], vertices.size() );
|
|
vertices.push_back( lv[i] );
|
|
}
|
|
}
|
|
|
|
if( vertices.size() < 3 )
|
|
{
|
|
wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; not enough vertices" ),
|
|
__FILE__, __FUNCTION__, __LINE__ );
|
|
|
|
return true;
|
|
}
|
|
|
|
// construct the final vertex/color list
|
|
SFVEC3F* lColors = nullptr;
|
|
SFVEC3F* lCoords = new SFVEC3F[ vertices.size() ];
|
|
int ti;
|
|
|
|
if( pc )
|
|
{
|
|
lColors = new SFVEC3F[vertices.size()];
|
|
m.m_Color = lColors;
|
|
}
|
|
|
|
if( pc )
|
|
{
|
|
for( size_t i = 0; i < vertices.size(); ++i )
|
|
{
|
|
ti = vertices[i];
|
|
glm::dvec4 pt( pCoords[ti].x, pCoords[ti].y, pCoords[ti].z, 1.0 );
|
|
pt = (*aTransform) * pt;
|
|
pColors[ti].GetColor( lColors[i].x, lColors[i].y, lColors[i].z );
|
|
lCoords[i] = SFVEC3F( pt.x, pt.y, pt.z );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for( size_t i = 0; i < vertices.size(); ++i )
|
|
{
|
|
ti = vertices[i];
|
|
glm::dvec4 pt( pCoords[ti].x, pCoords[ti].y, pCoords[ti].z, 1.0 );
|
|
pt = (*aTransform) * pt;
|
|
lCoords[i] = SFVEC3F( pt.x, pt.y, pt.z );
|
|
}
|
|
}
|
|
|
|
m.m_VertexSize = (unsigned int) vertices.size();
|
|
m.m_Positions = lCoords;
|
|
unsigned int* lvidx = new unsigned int[ nvidx ];
|
|
|
|
for( unsigned int i = 0; i < nvidx; ++i )
|
|
{
|
|
mit = indexmap.find( lv[i] );
|
|
lvidx[i] = mit->second;
|
|
}
|
|
|
|
m.m_FaceIdxSize = (unsigned int )nvidx;
|
|
m.m_FaceIdx = lvidx;
|
|
|
|
// set the per-vertex normals
|
|
size_t nNorms = 0;
|
|
SGVECTOR* pNorms = nullptr;
|
|
double x, y, z;
|
|
|
|
pn->GetNormalList( nNorms, pNorms );
|
|
SFVEC3F* lNorms = new SFVEC3F[ vertices.size() ];
|
|
|
|
for( size_t i = 0; i < vertices.size(); ++i )
|
|
{
|
|
ti = vertices[i];
|
|
pNorms[ti].GetVector( x, y, z );
|
|
glm::dvec4 pt( x, y, z, 0.0 );
|
|
pt = (*aTransform) * pt;
|
|
|
|
lNorms[i] = SFVEC3F( pt.x, pt.y, pt.z );
|
|
}
|
|
|
|
m.m_Normals = lNorms;
|
|
meshes.push_back( m );
|
|
|
|
return true;
|
|
}
|