kicad/plugins/3d/vrml/v2/vrml2_shape.cpp

538 lines
14 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>
*
* 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_shape.h"
#include "plugins/3dapi/ifsg_all.h"
#include "vrml2_faceset.h"
WRL2SHAPE::WRL2SHAPE() : WRL2NODE()
{
appearance = NULL;
geometry = NULL;
m_Type = WRL2_SHAPE;
return;
}
WRL2SHAPE::WRL2SHAPE( WRL2NODE* aParent ) : WRL2NODE()
{
appearance = NULL;
geometry = NULL;
m_Type = WRL2_SHAPE;
m_Parent = aParent;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return;
}
WRL2SHAPE::~WRL2SHAPE()
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Destroying Shape with " << m_Children.size();
ostr << " children, " << m_Refs.size() << " references and ";
ostr << m_BackPointers.size() << " backpointers";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return;
}
bool WRL2SHAPE::isDangling( void )
{
// this node is dangling unless it has a parent of type:
// WRL2_TRANSFORM
// WRL2_SWITCH
if( NULL == m_Parent
|| ( m_Parent->GetNodeType() != WRL2_TRANSFORM
&& m_Parent->GetNodeType() != WRL2_SWITCH ) )
return true;
return false;
}
bool WRL2SHAPE::AddRefNode( WRL2NODE* aNode )
{
if( NULL == aNode )
{
#ifdef DEBUG_VRML2
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] NULL passed for aNode";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
WRL2NODES type = aNode->GetNodeType();
if( !checkNodeType( type ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; unexpected child node '";
ostr << aNode->GetNodeTypeName( type ) << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
if( WRL2_APPEARANCE == type )
{
if( NULL != appearance )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; multiple appearance nodes";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
appearance = aNode;
return WRL2NODE::AddRefNode( aNode );
}
if( NULL != geometry )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; multiple geometry nodes";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
geometry = aNode;
return WRL2NODE::AddRefNode( aNode );
}
bool WRL2SHAPE::AddChildNode( WRL2NODE* aNode )
{
if( NULL == aNode )
{
#ifdef DEBUG_VRML2
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] NULL passed for aNode";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
WRL2NODES type = aNode->GetNodeType();
if( !checkNodeType( type ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; unexpected child node '";
ostr << aNode->GetNodeTypeName( type ) << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
if( WRL2_APPEARANCE == type )
{
if( NULL != appearance )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; multiple appearance nodes";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
appearance = aNode;
return WRL2NODE::AddChildNode( aNode );
}
if( NULL != geometry )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; multiple geometry nodes";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
geometry = aNode;
return WRL2NODE::AddChildNode( aNode );
}
bool WRL2SHAPE::checkNodeType( WRL2NODES aType )
{
switch( aType )
{
case WRL2_APPEARANCE:
case WRL2_BOX:
case WRL2_CONE:
case WRL2_CYLINDER:
case WRL2_ELEVATIONGRID:
case WRL2_EXTRUSION:
case WRL2_INDEXEDFACESET:
case WRL2_INDEXEDLINESET:
case WRL2_POINTSET:
case WRL2_SPHERE:
case WRL2_TEXT:
break;
default:
return false;
break;
}
return true;
}
bool WRL2SHAPE::Read( WRLPROC& proc, WRL2BASE* aTopNode )
{
if( NULL == aTopNode )
{
#ifdef DEBUG_VRML2
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] aTopNode is NULL";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
size_t line, column;
proc.GetFilePosData( line, column );
char tok = proc.Peek();
if( proc.eof() )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; unexpected eof at line ";
ostr << line << ", column " << column;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
if( '{' != tok )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << proc.GetError() << "\n";
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; expecting '{' but got '" << tok;
ostr << "' at line " << line << ", column " << column;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
proc.Pop();
std::string glob;
while( true )
{
if( proc.Peek() == '}' )
{
proc.Pop();
break;
}
if( !proc.ReadName( glob ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << proc.GetError();
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
// expecting one of:
// appearance
// geometry
proc.GetFilePosData( line, column );
if( !glob.compare( "appearance" ) )
{
if( !aTopNode->ReadNode( proc, this, NULL ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] could not read appearance information";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "geometry" ) )
{
if( !aTopNode->ReadNode( proc, this, NULL ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] could not read geometry information";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad Shape at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
} // while( true ) -- reading contents of Shape{}
return true;
}
SGNODE* WRL2SHAPE::TranslateToSG( SGNODE* aParent )
{
if( NULL == geometry )
return NULL;
WRL2NODES geomType = geometry->GetNodeType();
switch( geomType )
{
case WRL2_INDEXEDLINESET:
case WRL2_POINTSET:
case WRL2_TEXT:
return NULL;
break;
default:
break;
}
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Translating Shape with " << m_Children.size();
ostr << " children, " << m_Refs.size() << " references and ";
ostr << m_BackPointers.size() << " backpointers";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
bool vcolors = false;
if( WRL2_INDEXEDFACESET == geometry->GetNodeType() )
vcolors = ((WRL2FACESET*)geometry)->HasColors();
// if there is no appearance, make use of the per vertex colors if available
if( NULL == appearance )
{
if( WRL2_INDEXEDFACESET != geometry->GetNodeType() )
return NULL;
if( !vcolors )
return NULL;
}
S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
if( NULL != aParent && ptype != S3D::SGTYPE_TRANSFORM )
{
#ifdef DEBUG_VRML2
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] Shape does not have a Transform parent (parent ID: ";
ostr << ptype << ")";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return NULL;
}
if( m_sgNode )
{
if( NULL != aParent )
{
if( NULL == S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeChild( aParent, m_sgNode ) )
{
return NULL;
}
else if( aParent != S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeRef( aParent, m_sgNode ) )
{
return NULL;
}
}
return m_sgNode;
}
IFSG_SHAPE shNode( aParent );
SGNODE* pShape = shNode.GetRawPtr();
SGNODE* pGeom = geometry->TranslateToSG( pShape );
SGNODE* pApp = NULL;
if( NULL != appearance )
pApp = appearance->TranslateToSG( pShape );
if( ( NULL != appearance && NULL == pApp ) || NULL == pGeom )
{
if( pGeom )
{
IFSG_FACESET tmp( false );
tmp.Attach( pGeom );
tmp.Destroy();
}
if( pApp )
{
IFSG_APPEARANCE tmp( false );
tmp.Attach( pApp );
tmp.Destroy();
}
shNode.Destroy();
return NULL;
}
m_sgNode = shNode.GetRawPtr();
return m_sgNode;
}
void WRL2SHAPE::unlinkChildNode( const WRL2NODE* aNode )
{
if( NULL == aNode )
return;
if( aNode == appearance )
appearance = NULL;
else if( aNode == geometry )
geometry = NULL;
WRL2NODE::unlinkChildNode( aNode );
return;
}
void WRL2SHAPE::unlinkRefNode( const WRL2NODE* aNode )
{
if( NULL == aNode )
return;
if( aNode == appearance )
appearance = NULL;
else if( aNode == geometry )
geometry = NULL;
WRL2NODE::unlinkRefNode( aNode );
return;
}