kicad/plugins/3d/vrml/x3d/x3d_appearance.cpp

282 lines
7.1 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) 2021-2022 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 <wx/xml/xml.h>
#include "x3d_ops.h"
#include "x3d_appearance.h"
#include "plugins/3dapi/ifsg_all.h"
X3DAPP::X3DAPP() : X3DNODE()
{
m_Type = X3D_APPEARANCE;
init();
}
X3DAPP::X3DAPP( X3DNODE* aParent ) : X3DNODE()
{
m_Type = X3D_APPEARANCE;
init();
if( nullptr != aParent )
{
X3DNODES ptype = aParent->GetNodeType();
if( X3D_SHAPE == ptype )
m_Parent = aParent;
}
if( nullptr != m_Parent )
m_Parent->AddChildNode( this );
}
X3DAPP::~X3DAPP()
{
wxLogTrace( traceVrmlPlugin, " * [INFO] Destroying Appearance" );
if( !m_MatName.empty() && m_Dict )
m_Dict->DelName( m_MatName, this );
}
void X3DAPP::init()
{
// default material values as per VRML2 spec
diffuseColor.x = 0.8f;
diffuseColor.y = 0.8f;
diffuseColor.z = 0.8f;
emissiveColor.x = 0.0f;
emissiveColor.y = 0.0f;
emissiveColor.z = 0.0f;
specularColor = emissiveColor;
ambientIntensity = 0.2f;
shininess = 0.2f;
transparency = 0.0f;
return;
}
void X3DAPP::readFields( wxXmlNode* aNode )
{
// DEF
// diffuseColor
// emissiveColor
// specularColor
// ambientIntensity
// shininess
// transparency
wxXmlAttribute* prop;
for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
{
const wxString& pname = prop->GetName();
if( pname == "DEF" )
{
m_MatName = prop->GetValue();
m_Dict->AddName( m_MatName, this );
}
else if( pname == "USE" )
{
X3DNODE* np = m_Dict->FindName( prop->GetValue() );
if( nullptr != np && np->GetNodeType() == X3D_APPEARANCE )
{
X3DAPP* ap = (X3DAPP*) np;
diffuseColor = ap->diffuseColor;
emissiveColor = ap->emissiveColor;
specularColor = ap->specularColor;
ambientIntensity = ap->ambientIntensity;
shininess = ap->shininess;
transparency = ap->transparency;
}
}
else if( pname == "diffuseColor" )
{
X3D::ParseSFVec3( prop->GetValue(), diffuseColor );
}
else if( pname == "emissiveColor" )
{
X3D::ParseSFVec3( prop->GetValue(), emissiveColor );
}
else if( pname == "specularColor" )
{
X3D::ParseSFVec3( prop->GetValue(), specularColor );
}
else if( pname == "ambientIntensity" )
{
X3D::ParseSFFloat( prop->GetValue(), ambientIntensity );
}
else if( pname == "shininess" )
{
X3D::ParseSFFloat( prop->GetValue(), shininess );
}
else if( pname == "transparency" )
{
X3D::ParseSFFloat( prop->GetValue(), transparency );
}
}
}
bool X3DAPP::Read( wxXmlNode* aNode, X3DNODE* aTopNode, X3D_DICT& aDict )
{
if( nullptr == aTopNode || nullptr == aNode )
return false;
m_Dict = &aDict;
wxXmlAttribute* prop;
for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
{
const wxString& pname = prop->GetName();
if( pname == "DEF" )
{
m_Name = prop->GetValue();
m_Dict->AddName( m_Name, this );
}
}
wxXmlNode* pmat = nullptr;
for( wxXmlNode* child = aNode->GetChildren(); child != nullptr; child = child->GetNext() )
{
if( child->GetName() == "Material" )
pmat = child;
}
if( nullptr == pmat )
return false;
readFields( pmat );
if( !SetParent( aTopNode ) )
return false;
return true;
}
bool X3DAPP::SetParent( X3DNODE* aParent, bool doUnlink )
{
if( aParent == m_Parent )
return true;
if( nullptr != aParent )
{
X3DNODES nt = aParent->GetNodeType();
if( nt != X3D_SHAPE )
return false;
}
if( nullptr != m_Parent && doUnlink )
m_Parent->unlinkChildNode( this );
m_Parent = aParent;
if( nullptr != m_Parent )
m_Parent->AddChildNode( this );
return true;
}
bool X3DAPP::AddChildNode( X3DNODE* aNode )
{
return false;
}
bool X3DAPP::AddRefNode( X3DNODE* aNode )
{
return false;
}
SGNODE* X3DAPP::TranslateToSG( SGNODE* aParent )
{
S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
if( nullptr != aParent && ptype != S3D::SGTYPE_SHAPE )
{
wxLogTrace( traceVrmlPlugin,
wxT( " * [BUG] Appearance does not have a Shape parent (parent ID: %d)" ),
ptype );
return nullptr;
}
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;
}
IFSG_APPEARANCE matNode( aParent );
matNode.SetEmissive( emissiveColor.x, emissiveColor.y, emissiveColor.z );
matNode.SetSpecular( specularColor.x, specularColor.y, specularColor.z );
matNode.SetDiffuse( diffuseColor.x, diffuseColor.y, diffuseColor.z );
float ambr = ambientIntensity * diffuseColor.x;
float ambg = ambientIntensity * diffuseColor.y;
float ambb = ambientIntensity * diffuseColor.z;
matNode.SetAmbient( ambr, ambg, ambb );
matNode.SetShininess( shininess );
matNode.SetTransparency( transparency );
m_sgNode = matNode.GetRawPtr();
return m_sgNode;
}