kicad/plugins/3d/vrml/v2/vrml2_transform.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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*
* 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>
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#include "vrml2_base.h"
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#include "vrml2_transform.h"
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#include "plugins/3dapi/ifsg_all.h"
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WRL2TRANSFORM::WRL2TRANSFORM() : WRL2NODE()
{
m_Type = WRL2_TRANSFORM;
return;
}
WRL2TRANSFORM::WRL2TRANSFORM( WRL2NODE* aParent ) : WRL2NODE()
{
m_Type = WRL2_TRANSFORM;
m_Parent = aParent;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
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return;
}
WRL2TRANSFORM::~WRL2TRANSFORM()
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{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Destroying Transform 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;
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}
bool WRL2TRANSFORM::isDangling( void )
{
// a Transform node is never dangling
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return false;
}
// functions inherited from WRL2NODE
bool WRL2TRANSFORM::Read( WRLPROC& proc, WRL2BASE* aTopNode )
{
/*
* Structure of a Transform node (p.120):
*
* Transform {
* eventIn MFNode addChildren
* eventIn MFNode removeChildren
* exposedField SFVec3f center 0 0 0
* exposedField MFNode children []
* exposedField SFRotation rotation 0 0 1 0
* exposedField SFVec3f scale 1 1 1
* exposedField SFRotation scaleOrientation 0 0 1 0
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* exposedField SFVec3f translation 0 0 0
* field SFVec3f bboxCenter 0 0 0
* field SFVec3f bboxSize 0 0 0
* }
*/
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;
}
center.x = 0.0;
center.y = 0.0;
center.z = 0.0;
translation = center;
bboxCenter = center;
bboxSize = center;
rotation.x = 0.0;
rotation.y = 0.0;
rotation.z = 1.0;
rotation.w = 0.0;
scaleOrientation = rotation;
scale.x = 1.0;
scale.y = 1.0;
scale.z = 1.0;
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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;
}
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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 );
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#endif
return false;
}
proc.Pop();
std::string glob;
while( true )
{
if( proc.Peek() == '}' )
{
proc.Pop();
break;
}
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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 );
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#endif
return false;
}
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// expecting one of:
// center
// children
// rotation
// scale
// ScaleOrientation
// translation
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proc.GetFilePosData( line, column );
if( !glob.compare( "center" ) )
{
if( !proc.ReadSFVec3f( center ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid center at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
// convert from 1 VRML Unit = 0.1 inch to 1 VRML Unit = 1 mm
center.x *= 2.54;
center.y *= 2.54;
center.z *= 2.54;
}
else if( !glob.compare( "rotation" ) )
{
if( !proc.ReadSFRotation( rotation ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid rotation at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "scale" ) )
{
if( !proc.ReadSFVec3f( scale ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid scale at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "scaleOrientation" ) )
{
if( !proc.ReadSFRotation( scaleOrientation ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid scaleOrientation at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "translation" ) )
{
if( !proc.ReadSFVec3f( translation ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid translation at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
// convert from 1 VRML Unit = 0.1 inch to 1 VRML Unit = 1 mm
translation.x *= 2.54;
translation.y *= 2.54;
translation.z *= 2.54;
}
else if( !glob.compare( "children" ) )
{
if( !readChildren( proc, aTopNode ) )
return false;
}
else
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad Transform at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
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return false;
}
} // while( true ) -- reading contents of Transform{}
return true;
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}
bool WRL2TRANSFORM::AddRefNode( WRL2NODE* aNode )
{
if( NULL == aNode )
{
#ifdef DEBUG_VRML2
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] NULL passed as node pointer";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
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#endif
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return false;
}
// take possession if the node is dangling WRL2_SHAPE
if( WRL2_SHAPE == aNode->GetNodeType() && aNode->isDangling() )
{
WRL2NODE* np = aNode->GetParent();
if( NULL != np )
aNode->SetParent( this );
if( !WRL2NODE::AddChildNode( aNode ) )
{
aNode->SetParent( NULL );
return false;
}
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}
if( !WRL2NODE::AddRefNode( aNode ) )
return false;
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return true;
}
bool WRL2TRANSFORM::readChildren( WRLPROC& proc, WRL2BASE* aTopNode )
{
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 )
{
// since there are no delimeters we expect a single child
if( !aTopNode->ReadNode( proc, this, NULL ) )
return false;
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if( proc.Peek() == ',' )
proc.Pop();
return true;
}
proc.Pop();
while( true )
{
if( proc.Peek() == ']' )
{
proc.Pop();
break;
}
if( !aTopNode->ReadNode( proc, this, NULL ) )
return false;
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if( proc.Peek() == ',' )
proc.Pop();
}
return true;
}
SGNODE* WRL2TRANSFORM::TranslateToSG( SGNODE* aParent )
{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Translating Transform 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 );
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#endif
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if( m_Children.empty() && m_Refs.empty() )
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] Transform does not have a Transform parent (parent ID: ";
ostr << ptype << ")";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
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#endif
return NULL;
}
if( m_sgNode )
{
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if( NULL != aParent )
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{
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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;
}
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}
return m_sgNode;
}
IFSG_TRANSFORM txNode( aParent );
std::list< WRL2NODE* >::iterator sC = m_Children.begin();
std::list< WRL2NODE* >::iterator eC = m_Children.end();
WRL2NODES type;
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// Include only the following in a Transform node:
// Shape
// Switch
// Transform
// Inline
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bool test = false; // set to true if there are any subnodes for display
for( int i = 0; i < 2; ++i )
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{
while( sC != eC )
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{
type = (*sC)->GetNodeType();
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switch( type )
{
case WRL2_SHAPE:
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case WRL2_SWITCH:
case WRL2_INLINE:
case WRL2_TRANSFORM:
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if( NULL != (*sC)->TranslateToSG( txNode.GetRawPtr() ) )
test = true;
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break;
default:
break;
}
++ sC;
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}
sC = m_Refs.begin();
eC = m_Refs.end();
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}
if( false == test )
{
txNode.Destroy();
return NULL;
}
txNode.SetScale( SGPOINT( scale.x, scale.y, scale.z ) );
txNode.SetCenter( SGPOINT( center.x, center.y, center.z ) );
txNode.SetTranslation( SGPOINT( translation.x, translation.y, translation.z ) );
txNode.SetScaleOrientation( SGVECTOR( scaleOrientation.x, scaleOrientation.y,
scaleOrientation.z ), scaleOrientation.w );
txNode.SetRotation( SGVECTOR( rotation.x, rotation.y, rotation.z), rotation.w );
m_sgNode = txNode.GetRawPtr();
return m_sgNode;
}