564 lines
14 KiB
C++
564 lines
14 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_material.h"
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#include "plugins/3dapi/ifsg_all.h"
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WRL1MATERIAL::WRL1MATERIAL( NAMEREGISTER* aDictionary ) : WRL1NODE( aDictionary )
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{
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colors[0] = nullptr;
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colors[1] = nullptr;
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m_Type = WRL1NODES::WRL1_MATERIAL;
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}
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WRL1MATERIAL::WRL1MATERIAL( NAMEREGISTER* aDictionary, WRL1NODE* aParent ) :
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WRL1NODE( aDictionary )
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{
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colors[0] = nullptr;
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colors[1] = nullptr;
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m_Type = WRL1NODES::WRL1_MATERIAL;
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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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WRL1MATERIAL::~WRL1MATERIAL()
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{
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wxLogTrace( traceVrmlPlugin, " * [INFO] Destroying Material node." );
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// destroy any orphaned color nodes
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for( int i = 0; i < 2; ++i )
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{
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if( nullptr != colors[i] )
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{
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if( nullptr == S3D::GetSGNodeParent( colors[i] ) )
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S3D::DestroyNode( colors[i] );
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wxLogTrace( traceVrmlPlugin, wxT( " * [INFO] destroyed SGCOLOR #%d" ), i );
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}
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}
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}
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bool WRL1MATERIAL::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 WRL1MATERIAL::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 WRL1MATERIAL::Read( WRLPROC& proc, WRL1BASE* aTopNode )
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{
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wxCHECK_MSG( aTopNode, false, wxT( "aTopNode is nullptr." ) );
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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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// ambientColor
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// diffuseColor
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// emissiveColor
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// shininess
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// specularColor
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// transparency
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if( !glob.compare( "specularColor" ) )
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{
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if( !proc.ReadMFVec3f( specularColor ) )
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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 specularColor %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( "diffuseColor" ) )
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{
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if( !proc.ReadMFVec3f( diffuseColor ) )
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{
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
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" * [INFO] invalid diffuseColor %s\n"
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" * [INFO] file: '%s'\n"
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" * [INFO] error: '%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( "emissiveColor" ) )
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{
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if( !proc.ReadMFVec3f( emissiveColor ) )
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{
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wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
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" * [INFO] invalid emissiveColor %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( "shininess" ) )
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{
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if( !proc.ReadMFFloat( shininess ) )
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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 shininess %s\n"
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" * [INFO] file: '%s'\n"
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" * [INFO] error: '%s'." ),
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__FILE__, __FUNCTION__, __LINE__, proc.GetFileName(),
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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( "transparency" ) )
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{
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if( !proc.ReadMFFloat( transparency ) )
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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 transparency %s\n"
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" * [INFO] file: '%s'\n"
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" * [INFO] error: '%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( "ambientColor" ) )
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{
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if( !proc.ReadMFVec3f( ambientColor ) )
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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 ambientColor %s\n"
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" * [INFO] file: '%s'\n"
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" * [INFO] error: '%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, wxT( "%s:%s:%d\n"
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"* [INFO] bad Material %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 Material{}
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return true;
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}
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SGNODE* WRL1MATERIAL::TranslateToSG( SGNODE* aParent, WRL1STATUS* sp )
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{
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wxCHECK_MSG( sp, nullptr, wxT( "Bad model: no base data given." ) );
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sp->mat = this;
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return nullptr;
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}
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SGNODE* WRL1MATERIAL::GetAppearance( int aIndex )
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{
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++aIndex;
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// invalid indices result in the default colors
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if( aIndex != 0 && aIndex != 1 )
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aIndex = 0;
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if( nullptr != colors[ aIndex ] )
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return colors[ aIndex ];
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IFSG_APPEARANCE app( true );
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float red, green, blue, val;
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if( aIndex == 0 || transparency.empty() )
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val = 0.0;
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else
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val = transparency[0];
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checkRange( val );
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app.SetTransparency( val );
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if( aIndex == 0 || shininess.empty() )
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val = 0.2f;
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else
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val = shininess[0];
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checkRange( val );
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app.SetShininess( val );
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if( aIndex ==0 || ambientColor.empty() )
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{
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red = 0.2f;
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green = 0.2f;
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blue = 0.2f;
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}
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else
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{
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red = ambientColor[0].x;
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green = ambientColor[0].y;
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blue = ambientColor[0].z;
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}
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checkRange( red );
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checkRange( green );
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checkRange( blue );
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app.SetAmbient( red, green, blue );
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if( aIndex == 0 || diffuseColor.empty() )
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{
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red = 0.8f;
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green = 0.8f;
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blue = 0.8f;
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}
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else
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{
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red = diffuseColor[0].x;
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green = diffuseColor[0].y;
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blue = diffuseColor[0].z;
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}
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checkRange( red );
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checkRange( green );
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checkRange( blue );
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app.SetDiffuse( red, green, blue );
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if( aIndex > (int)emissiveColor.size() )
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{
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red = 0.0;
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green = 0.0;
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blue = 0.0;
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}
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else
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{
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red = emissiveColor[0].x;
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green = emissiveColor[0].y;
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blue = emissiveColor[0].z;
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}
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checkRange( red );
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checkRange( green );
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checkRange( blue );
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app.SetEmissive( red, green, blue );
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if( aIndex > (int)specularColor.size() )
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{
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red = 0.0;
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green = 0.0;
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blue = 0.0;
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}
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else
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{
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red = specularColor[0].x;
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green = specularColor[0].y;
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blue = specularColor[0].z;
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}
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checkRange( red );
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checkRange( green );
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checkRange( blue );
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app.SetSpecular( red, green, blue );
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colors[aIndex] = app.GetRawPtr();
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return colors[aIndex];
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}
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void WRL1MATERIAL::GetColor( SGCOLOR* aColor, int aIndex )
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{
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if( nullptr == aColor )
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return;
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// Calculate the color based on the given index using the formula:
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// color = ( emission + ambient + diffuse + shininess * specular ) / N
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// where N = number of non-zero components or 1 (if all zero)
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// If the index exceeds the number of items in a list, use the LAST
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// item rather than the default; this behavior caters to some bad
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// models.
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WRLVEC3F rgb;
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float dRed, dBlue, dGreen;
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float eRed, eBlue, eGreen;
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float aRed, aBlue, aGreen;
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float sRed, sBlue, sGreen;
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float shiny;
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if( aIndex < 0 || ( aIndex >= (int)diffuseColor.size() ) )
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{
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if( !diffuseColor.empty() )
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{
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rgb = diffuseColor.back();
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dRed = rgb.x;
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dGreen = rgb.y;
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dBlue = rgb.z;
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}
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else
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{
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dRed = 0.8f;
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dGreen = 0.8f;
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dBlue = 0.8f;
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}
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}
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else
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{
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rgb = diffuseColor[aIndex];
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dRed = rgb.x;
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dGreen = rgb.y;
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dBlue = rgb.z;
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}
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if( aIndex < 0 || ( aIndex >= (int)emissiveColor.size() ) )
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{
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if( !emissiveColor.empty() )
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{
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rgb = emissiveColor.back();
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eRed = rgb.x;
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eGreen = rgb.y;
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eBlue = rgb.z;
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}
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else
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{
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eRed = 0.0f;
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eGreen = 0.0f;
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eBlue = 0.0f;
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}
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}
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else
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{
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rgb = emissiveColor[aIndex];
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eRed = rgb.x;
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eGreen = rgb.y;
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eBlue = rgb.z;
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}
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if( aIndex < 0 || ( aIndex >= (int)ambientColor.size() ) )
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{
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if( !ambientColor.empty() )
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{
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rgb = ambientColor.back();
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aRed = rgb.x;
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aGreen = rgb.y;
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aBlue = rgb.z;
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}
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else
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{
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aRed = 0.2f;
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aGreen = 0.2f;
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aBlue = 0.2f;
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}
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}
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else
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{
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rgb = ambientColor[aIndex];
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aRed = rgb.x;
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aGreen = rgb.y;
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aBlue = rgb.z;
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}
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if( aIndex < 0 || ( aIndex >= (int)specularColor.size() ) )
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{
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if( !specularColor.empty() )
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{
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rgb = specularColor.back();
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sRed = rgb.x;
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sGreen = rgb.y;
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sBlue = rgb.z;
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}
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else
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{
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sRed = 0.2f;
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sGreen = 0.2f;
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sBlue = 0.2f;
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}
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}
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else
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{
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rgb = specularColor[aIndex];
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sRed = rgb.x;
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sGreen = rgb.y;
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sBlue = rgb.z;
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}
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if( aIndex < 0 || ( aIndex >= (int)shininess.size() ) )
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{
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if( !shininess.empty() )
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shiny = shininess.back();
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else
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shiny = 0.2f;
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}
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else
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{
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shiny = shininess[aIndex];
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}
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checkRange( aRed );
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checkRange( aGreen );
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checkRange( aBlue );
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checkRange( eRed );
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checkRange( eGreen );
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checkRange( eBlue );
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checkRange( dRed );
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checkRange( dGreen );
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checkRange( dBlue );
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checkRange( sRed );
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checkRange( sGreen );
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checkRange( sBlue );
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int n = 0;
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if( aRed + aGreen + aBlue > 0.01f )
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++n;
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if( eRed + eGreen + eBlue > 0.01f )
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++n;
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if( dRed + dGreen + dBlue > 0.01f )
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++n;
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if( ( sRed + sGreen + sBlue ) * shiny > 0.01f )
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++n;
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if( 0 == n )
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++n;
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float red, green, blue;
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red = (eRed + aRed + dRed + sRed * shiny) / n;
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green = (eGreen + aGreen + dGreen + sGreen * shiny) / n;
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blue = (eBlue + aBlue + dBlue + sBlue * shiny) / n;
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checkRange( red );
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checkRange( green );
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checkRange( blue );
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aColor->SetColor( red, green, blue );
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}
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void WRL1MATERIAL::checkRange( float& aValue )
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{
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if( aValue < 0.0 )
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aValue = 0.0;
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else if( aValue > 1.0 )
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aValue = 1.0;
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}
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void WRL1MATERIAL::Reclaim( SGNODE* aColor )
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{
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if( nullptr == aColor )
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return;
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if( aColor == colors[0] )
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{
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if( nullptr == S3D::GetSGNodeParent( aColor ) )
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{
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colors[0] = nullptr;
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S3D::DestroyNode( aColor );
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}
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return;
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}
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if( aColor == colors[1] && nullptr == S3D::GetSGNodeParent( aColor ) )
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{
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colors[1] = nullptr;
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S3D::DestroyNode( aColor );
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}
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}
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