341 lines
9.8 KiB
C++
341 lines
9.8 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_box.h"
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#include "plugins/3dapi/ifsg_all.h"
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WRL2BOX::WRL2BOX() : WRL2NODE()
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{
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m_Type = WRL2NODES::WRL2_BOX;
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size.x = 2.0;
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size.y = 2.0;
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size.z = 2.0;
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}
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WRL2BOX::WRL2BOX( WRL2NODE* aParent ) : WRL2NODE()
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{
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m_Type = WRL2NODES::WRL2_BOX;
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m_Parent = aParent;
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size.x = 2.0;
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size.y = 2.0;
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size.z = 2.0;
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if( nullptr != m_Parent )
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m_Parent->AddChildNode( this );
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}
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WRL2BOX::~WRL2BOX()
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{
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wxLogTrace( traceVrmlPlugin, wxT( " * [INFO] Destroying Box node." ) );
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}
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bool WRL2BOX::isDangling( void )
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{
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// this node is dangling unless it has a parent of type WRL2_SHAPE
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if( nullptr == m_Parent || m_Parent->GetNodeType() != WRL2NODES::WRL2_SHAPE )
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return true;
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return false;
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}
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bool WRL2BOX::Read( WRLPROC& proc, WRL2BASE* 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, 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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if( proc.Peek() == '}' )
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{
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proc.Pop();
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return true;
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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 'size'
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if( !glob.compare( "size" ) )
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{
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if( !proc.ReadSFVec3f( size ) )
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{
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d"
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" * [INFO] invalid size %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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// for legacy KiCad support we interpret units as 0.1 inch
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size *= 2.54;
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}
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else
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{
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d"
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" * [INFO] invalid Box %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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if( size.x < 1e-6 || size.y < 1e-6 || size.z < 1e-6 )
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{
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d"
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" * [INFO] invalid Box size %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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/// @note If this box is bad, should false be returned here?
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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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return true;
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}
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d"
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" * [INFO] invalid size %s (no closing brace).\n"
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" * [INFO] file: '%s'\n" ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName() );
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return false;
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}
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bool WRL2BOX::AddRefNode( WRL2NODE* 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 WRL2BOX::AddChildNode( WRL2NODE* 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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SGNODE* WRL2BOX::TranslateToSG( SGNODE* aParent )
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{
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S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
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wxCHECK_MSG( aParent && ( ptype == S3D::SGTYPE_SHAPE ), nullptr,
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wxString::Format( wxT( "Box does not have a Shape parent (parent ID: %s)" ),
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ptype ) );
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// do not render a bad box
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if( size.x < 1e-6 || size.y < 1e-6 || size.z < 1e-6 )
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return nullptr;
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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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// create the vertices, triangle indices, and normals
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float x = size.x / 2.0;
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float y = size.y / 2.0;
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float z = size.z / 2.0;
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std::vector< SGPOINT > vertices;
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std::vector< SGVECTOR > norms;
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std::vector< int > idx;
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int base = 0;
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vertices.reserve( 6 * 4 );
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norms.reserve( 6 * 4 );
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idx.reserve( 6 * 6 );
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// top
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vertices.emplace_back( -x, -y, z );
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vertices.emplace_back( x, -y, z );
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vertices.emplace_back( x, y, z );
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vertices.emplace_back( -x, y, z );
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norms.emplace_back( 0.0, 0.0, 1.0 );
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norms.emplace_back( 0.0, 0.0, 1.0 );
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norms.emplace_back( 0.0, 0.0, 1.0 );
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norms.emplace_back( 0.0, 0.0, 1.0 );
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idx.push_back( base );
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idx.push_back( base + 1 );
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idx.push_back( base + 2 );
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idx.push_back( base );
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idx.push_back( base + 2 );
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idx.push_back( base + 3 );
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base += 4;
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// bottom
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vertices.emplace_back( -x, -y, -z );
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vertices.emplace_back( x, -y, -z );
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vertices.emplace_back( x, y, -z );
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vertices.emplace_back( -x, y, -z );
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norms.emplace_back( 0.0, 0.0, -1.0 );
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norms.emplace_back( 0.0, 0.0, -1.0 );
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norms.emplace_back( 0.0, 0.0, -1.0 );
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norms.emplace_back( 0.0, 0.0, -1.0 );
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idx.push_back( base );
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idx.push_back( base + 2 );
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idx.push_back( base + 1 );
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idx.push_back( base );
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idx.push_back( base + 3 );
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idx.push_back( base + 2 );
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base += 4;
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// front
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vertices.emplace_back( -x, -y, z );
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vertices.emplace_back( -x, -y, -z );
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vertices.emplace_back( x, -y, -z );
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vertices.emplace_back( x, -y, z );
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norms.emplace_back( 0.0, -1.0, 0.0 );
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norms.emplace_back( 0.0, -1.0, 0.0 );
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norms.emplace_back( 0.0, -1.0, 0.0 );
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norms.emplace_back( 0.0, -1.0, 0.0 );
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idx.push_back( base );
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idx.push_back( base + 1 );
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idx.push_back( base + 2 );
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idx.push_back( base );
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idx.push_back( base + 2 );
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idx.push_back( base + 3 );
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base += 4;
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// back
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vertices.emplace_back( -x, y, z );
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vertices.emplace_back( -x, y, -z );
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vertices.emplace_back( x, y, -z );
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vertices.emplace_back( x, y, z );
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norms.emplace_back( 0.0, 1.0, 0.0 );
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norms.emplace_back( 0.0, 1.0, 0.0 );
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norms.emplace_back( 0.0, 1.0, 0.0 );
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norms.emplace_back( 0.0, 1.0, 0.0 );
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idx.push_back( base );
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idx.push_back( base + 2 );
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idx.push_back( base + 1 );
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idx.push_back( base );
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idx.push_back( base + 3 );
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idx.push_back( base + 2 );
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base += 4;
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// left
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vertices.emplace_back( -x, -y, -z );
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vertices.emplace_back( -x, -y, z );
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vertices.emplace_back( -x, y, z );
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vertices.emplace_back( -x, y, -z );
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norms.emplace_back( -1.0, 0.0, 0.0 );
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norms.emplace_back( -1.0, 0.0, 0.0 );
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norms.emplace_back( -1.0, 0.0, 0.0 );
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norms.emplace_back( -1.0, 0.0, 0.0 );
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idx.push_back( base );
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idx.push_back( base + 1 );
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idx.push_back( base + 2 );
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idx.push_back( base );
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idx.push_back( base + 2 );
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idx.push_back( base + 3 );
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base += 4;
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// right
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vertices.emplace_back( x, -y, -z );
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vertices.emplace_back( x, -y, z );
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vertices.emplace_back( x, y, z );
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vertices.emplace_back( x, y, -z );
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norms.emplace_back( 1.0, 0.0, 0.0 );
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norms.emplace_back( 1.0, 0.0, 0.0 );
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norms.emplace_back( 1.0, 0.0, 0.0 );
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norms.emplace_back( 1.0, 0.0, 0.0 );
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idx.push_back( base );
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idx.push_back( base + 2 );
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idx.push_back( base + 1 );
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idx.push_back( base );
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idx.push_back( base + 3 );
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idx.push_back( base + 2 );
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IFSG_FACESET fsNode( aParent );
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IFSG_COORDS cpNode( fsNode );
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cpNode.SetCoordsList( vertices.size(), &vertices[0] );
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IFSG_COORDINDEX ciNode( fsNode );
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ciNode.SetIndices( idx.size(), &idx[0] );
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IFSG_NORMALS nmNode( fsNode );
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nmNode.SetNormalList( norms.size(), &norms[0] );
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m_sgNode = fsNode.GetRawPtr();
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return m_sgNode;
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}
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