kicad/plugins/3d/vrml/v2/vrml2_appearance.cpp

418 lines
11 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <iostream>
#include <sstream>
#include <wx/log.h>
#include "vrml2_base.h"
#include "vrml2_appearance.h"
#include "plugins/3dapi/ifsg_all.h"
WRL2APPEARANCE::WRL2APPEARANCE() : WRL2NODE()
{
material = nullptr;
texture = nullptr;
textureTransform = nullptr;
m_Type = WRL2NODES::WRL2_APPEARANCE;
}
WRL2APPEARANCE::WRL2APPEARANCE( WRL2NODE* aParent ) : WRL2NODE()
{
material = nullptr;
texture = nullptr;
textureTransform = nullptr;
m_Type = WRL2NODES::WRL2_APPEARANCE;
m_Parent = aParent;
if( nullptr != m_Parent )
m_Parent->AddChildNode( this );
}
WRL2APPEARANCE::~WRL2APPEARANCE()
{
wxLogTrace( traceVrmlPlugin,
wxT( " * [INFO] Destroying Appearance node with %zu children, %zu"
"references, and %zu back pointers." ),
m_Children.size(), m_Refs.size(), m_BackPointers.size() );
}
bool WRL2APPEARANCE::checkNodeType( WRL2NODES aType )
{
switch( aType )
{
case WRL2NODES::WRL2_MATERIAL:
case WRL2NODES::WRL2_IMAGETEXTURE:
case WRL2NODES::WRL2_PIXELTEXTURE:
case WRL2NODES::WRL2_MOVIETEXTURE:
case WRL2NODES::WRL2_TEXTURETRANSFORM:
break;
default:
return false;
break;
}
return true;
}
bool WRL2APPEARANCE::isDangling( void )
{
// this node is dangling unless it has a parent of type WRL2_SHAPE
if( nullptr == m_Parent || m_Parent->GetNodeType() != WRL2NODES::WRL2_SHAPE )
return true;
return false;
}
bool WRL2APPEARANCE::AddRefNode( WRL2NODE* aNode )
{
wxCHECK_MSG( aNode, false, wxT( "Invalid node." ) );
WRL2NODES type = aNode->GetNodeType();
if( !checkNodeType( type ) )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; unexpected child node '%s'." ),
__FILE__, __FUNCTION__, __LINE__, aNode->GetNodeTypeName( type ) );
return false;
}
if( WRL2NODES::WRL2_MATERIAL == type )
{
if( nullptr != material )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; multiple material nodes." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
material = aNode;
return WRL2NODE::AddRefNode( aNode );
}
if( WRL2NODES::WRL2_TEXTURETRANSFORM == type )
{
if( nullptr != textureTransform )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; multiple textureTransform nodes." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
textureTransform = aNode;
return WRL2NODE::AddRefNode( aNode );
}
if( nullptr != texture )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; multiple texture nodes." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
texture = aNode;
return WRL2NODE::AddRefNode( aNode );
}
bool WRL2APPEARANCE::AddChildNode( WRL2NODE* aNode )
{
wxCHECK_MSG( aNode, false, wxT( "Invalid node." ) );
WRL2NODES type = aNode->GetNodeType();
if( !checkNodeType( type ) )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; unexpected child node '%s'." ),
__FILE__, __FUNCTION__, __LINE__, aNode->GetNodeTypeName( type ) );
return false;
}
if( WRL2NODES::WRL2_MATERIAL == type )
{
if( nullptr != material )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; multiple material nodes." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
material = aNode;
return WRL2NODE::AddChildNode( aNode );
}
if( WRL2NODES::WRL2_TEXTURETRANSFORM == type )
{
if( nullptr != textureTransform )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; multiple textureTransform nodes." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
textureTransform = aNode;
return WRL2NODE::AddChildNode( aNode );
}
if( nullptr != texture )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; multiple texture nodes." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
texture = aNode;
return WRL2NODE::AddChildNode( aNode );
}
bool WRL2APPEARANCE::Read( WRLPROC& proc, WRL2BASE* aTopNode )
{
wxCHECK_MSG( aTopNode, false, wxT( "Invalid top node." ) );
char tok = proc.Peek();
if( proc.eof() )
{
wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
" * [INFO] bad file format; unexpected eof %s." ),
__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition() );
return false;
}
if( '{' != tok )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad file format; expecting '{' but got '%s' %s." ),
__FILE__, __FUNCTION__, __LINE__, tok, proc.GetFilePosition() );
return false;
}
proc.Pop();
std::string glob;
while( true )
{
if( proc.Peek() == '}' )
{
proc.Pop();
break;
}
if( !proc.ReadName( glob ) )
{
wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
"%s" ),
__FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
return false;
}
// expecting one of:
// material
// texture
// textureTransform
if( !glob.compare( "material" ) )
{
if( !aTopNode->ReadNode( proc, this, nullptr ) )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] could not read material information." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
}
else if( !glob.compare( "texture" ) )
{
if( !aTopNode->ReadNode( proc, this, nullptr ) )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] could not read texture information." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
}
else if( !glob.compare( "textureTransform" ) )
{
if( !aTopNode->ReadNode( proc, this, nullptr ) )
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] could not read textureTransform information." ),
__FILE__, __FUNCTION__, __LINE__ );
return false;
}
}
else
{
wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
" * [INFO] bad Appearance %s.\n"
" * [INFO] file: '%s'" ),
__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
proc.GetFileName() );
return false;
}
} // while( true ) -- reading contents of Appearance{}
return true;
}
SGNODE* WRL2APPEARANCE::TranslateToSG( SGNODE* aParent )
{
if( nullptr == material && nullptr == texture )
return nullptr;
S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
wxCHECK_MSG( aParent && ( ptype == S3D::SGTYPE_SHAPE ), nullptr,
wxString::Format( wxT( " * [BUG] Appearance does not have a Shape parent "
"(parent ID: %d)." ), ptype ) );
wxLogTrace( traceVrmlPlugin,
wxT( " * [INFO] Translating Appearance node with %zu children, %zu"
"references, and %zu back pointers." ),
m_Children.size(), m_Refs.size(), m_BackPointers.size() );
if( m_sgNode )
{
if( nullptr != aParent )
{
if( nullptr == S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeChild( aParent, m_sgNode ) )
{
return nullptr;
}
else if( aParent != S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeRef( aParent, m_sgNode ) )
{
return nullptr;
}
}
return m_sgNode;
}
if( nullptr != texture )
{
// use a default gray appearance
IFSG_APPEARANCE matNode( aParent );
matNode.SetEmissive( 0.0f, 0.0f, 0.0f );
matNode.SetSpecular( 0.65f, 0.65f, 0.65f );
matNode.SetDiffuse( 0.65f, 0.65f, 0.65f );
// default ambient
matNode.SetShininess( 0.2f );
matNode.SetTransparency( 0.0f );
m_sgNode = matNode.GetRawPtr();
return m_sgNode;
}
m_sgNode = material->TranslateToSG( aParent );
return m_sgNode;
}
void WRL2APPEARANCE::unlinkChildNode( const WRL2NODE* aNode )
{
if( nullptr == aNode )
return;
if( aNode->GetParent() == this )
{
if( aNode == material )
material = nullptr;
else if( aNode == texture )
texture = nullptr;
else if( aNode == textureTransform )
textureTransform = nullptr;
}
WRL2NODE::unlinkChildNode( aNode );
}
void WRL2APPEARANCE::unlinkRefNode( const WRL2NODE* aNode )
{
if( nullptr == aNode )
return;
if( aNode->GetParent() != this )
{
if( aNode == material )
material = nullptr;
else if( aNode == texture )
texture = nullptr;
else if( aNode == textureTransform )
textureTransform = nullptr;
}
WRL2NODE::unlinkRefNode( aNode );
}