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

246 lines
7.3 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 <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 = WRL1_ORDER::ORD_UNKNOWN;
m_Type = WRL1NODES::WRL1_SHAPEHINTS;
m_crease = 0.733f; // approx 42 degrees; this is larger than VRML spec.
}
WRL1SHAPEHINTS::WRL1SHAPEHINTS( NAMEREGISTER* aDictionary, WRL1NODE* aParent ) :
WRL1NODE( aDictionary )
{
m_order = WRL1_ORDER::ORD_UNKNOWN;
m_Type = WRL1NODES::WRL1_SHAPEHINTS;
m_crease = 0.733f; // approx 42 degrees; this is larger than VRML spec.
m_Parent = aParent;
if( nullptr != m_Parent )
m_Parent->AddChildNode( this );
}
WRL1SHAPEHINTS::~WRL1SHAPEHINTS()
{
wxLogTrace( traceVrmlPlugin, " * [INFO] Destroying ShapeHints node." );
}
bool WRL1SHAPEHINTS::AddRefNode( WRL1NODE* aNode )
{
// this node may not own or reference any other node
wxCHECK_MSG( false, false, wxT( "AddRefNode is not applicable." ) );
}
bool WRL1SHAPEHINTS::AddChildNode( WRL1NODE* aNode )
{
// this node may not own or reference any other node
wxCHECK_MSG( false, false, wxT( "AddChildNode is not applicable." ) );
}
bool WRL1SHAPEHINTS::Read( WRLPROC& proc, WRL1BASE* 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.\n"
"%s" ),
__FILE__, __FUNCTION__, __LINE__, tok, proc.GetFilePosition(),
proc.GetError() );
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:
// vertexOrdering
// shapeType
// faceType
// creaseAngle
if( !glob.compare( "vertexOrdering" ) )
{
if( !proc.ReadName( glob ) )
{
wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
"%s" ),
__FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
return false;
}
if( !glob.compare( "UNKNOWN_ORDERING" ) )
{
m_order = WRL1_ORDER::ORD_UNKNOWN;
}
else if( !glob.compare( "CLOCKWISE" ) )
{
m_order = WRL1_ORDER::ORD_CLOCKWISE;
}
else if( !glob.compare( "COUNTERCLOCKWISE" ) )
{
m_order = WRL1_ORDER::ORD_CCW;
}
else
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad ShapeHints %s (invalid value '%s')\n"
" * [INFO] file: '%s'" ),
__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), glob,
proc.GetFileName() );
return false;
}
}
else if( !glob.compare( "shapeType" ) )
{
if( !proc.ReadName( glob ) )
{
wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
"%s" ),
__FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
return false;
}
// expected values:
// UNKNOWN_SHAPE_TYPE
// SOLID
}
else if( !glob.compare( "faceType" ) )
{
if( !proc.ReadName( glob ) )
{
wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
"%s" ),
__FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
return false;
}
// expected values:
// UNKNOWN_FACE_TYPE
// CONVEX
}
else if( !glob.compare( "creaseAngle" ) )
{
float tmp;
if( !proc.ReadSFFloat( tmp ) )
{
wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
"%s" ),
__FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
return false;
}
if( tmp < 0.0 )
tmp = 0.0f;
else if( tmp > M_PI )
tmp = static_cast<float>( M_PI );
m_crease = tmp;
}
else
{
wxLogTrace( traceVrmlPlugin,
wxT( "%s:%s:%d\n"
" * [INFO] bad ShapeHints %s (unexpected keyword '%s')\n"
" * [INFO] file: '%s'" ),
__FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), glob,
proc.GetFileName() );
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
wxCHECK_MSG( sp, nullptr, wxT( "Invalid base data." ) );
sp->order = m_order;
sp->creaseLimit = cosf(m_crease);
if( sp->creaseLimit < 0.0 )
sp->creaseLimit = 0.0;
return nullptr;
}