kicad/plugins/3d/vrml/v1/vrml1_shapehints.cpp

332 lines
9.7 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 <cmath>
#include <wx/log.h>
#include "vrml1_base.h"
#include "vrml1_shapehints.h"
#include "plugins/3dapi/ifsg_all.h"
WRL1SHAPEHINTS::WRL1SHAPEHINTS( NAMEREGISTER* aDictionary ) : WRL1NODE( aDictionary )
{
m_order = ORD_UNKNOWN;
m_Type = WRL1_SHAPEHINTS;
m_crease = 0.733f; // approx 42 degrees; this is larger than VRML spec.
return;
}
WRL1SHAPEHINTS::WRL1SHAPEHINTS( NAMEREGISTER* aDictionary, WRL1NODE* aParent ) :
WRL1NODE( aDictionary )
{
m_order = ORD_UNKNOWN;
m_Type = WRL1_SHAPEHINTS;
m_crease = 0.733f; // approx 42 degrees; this is larger than VRML spec.
m_Parent = aParent;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return;
}
WRL1SHAPEHINTS::~WRL1SHAPEHINTS()
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 2 )
wxLogTrace( MASK_VRML, " * [INFO] Destroying ShapeHints node\n" );
#endif
return;
}
bool WRL1SHAPEHINTS::AddRefNode( WRL1NODE* aNode )
{
// this node may not own or reference any other node
#ifdef DEBUG_VRML1
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] AddRefNode is not applicable";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
bool WRL1SHAPEHINTS::AddChildNode( WRL1NODE* aNode )
{
// this node may not own or reference any other node
#ifdef DEBUG_VRML1
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] AddChildNode is not applicable";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
bool WRL1SHAPEHINTS::Read( WRLPROC& proc, WRL1BASE* aTopNode )
{
if( NULL == aTopNode )
{
#ifdef DEBUG_VRML1
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_VRML1 ) && ( DEBUG_VRML1 > 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_VRML1 ) && ( DEBUG_VRML1 > 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_VRML1 ) && ( DEBUG_VRML1 > 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:
// vertexOrdering
// shapeType
// faceType
// creaseAngle
if( !glob.compare( "vertexOrdering" ) )
{
if( !proc.ReadName( glob ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 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;
}
if( !glob.compare( "UNKNOWN_ORDERING" ) )
m_order = ORD_UNKNOWN;
else if( !glob.compare( "CLOCKWISE" ) )
m_order = ORD_CLOCKWISE;
else if( !glob.compare( "COUNTERCLOCKWISE" ) )
m_order = ORD_CCW;
else
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad ShapeHints at line " << line << ", column ";
ostr << column << " (invalid value '" << glob << "')\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "shapeType" ) )
{
if( !proc.ReadName( glob ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 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;
}
// expected values:
// UNKNOWN_SHAPE_TYPE
// SOLID
}
else if( !glob.compare( "faceType" ) )
{
if( !proc.ReadName( glob ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 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;
}
// expected values:
// UNKNOWN_FACE_TYPE
// CONVEX
}
else if( !glob.compare( "creaseAngle" ) )
{
float tmp;
if( !proc.ReadSFFloat( tmp ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 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;
}
if( tmp < 0.0 )
tmp = 0.0f;
else if( tmp > M_PI )
tmp = static_cast<float>( M_PI );
m_crease = tmp;
}
else
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad ShapeHints at line " << line << ", column ";
ostr << column << " (unexpected keyword '" << glob << "')\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 ShapeHints{}
return true;
}
SGNODE* WRL1SHAPEHINTS::TranslateToSG( SGNODE* aParent, WRL1STATUS* sp )
{
// note: this is not fully implemented since it is unlikely we shall
// ever make use of the fields shapeType, faceType, and creaseAngle
if( NULL == sp )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
wxLogTrace( MASK_VRML, " * [INFO] bad model: no base data given\n" );
#endif
return NULL;
}
sp->order = m_order;
sp->creaseLimit = cosf(m_crease);
if( sp->creaseLimit < 0.0 )
sp->creaseLimit = 0.0;
return NULL;
}