x3d_ops.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Cirilo Bernardo <[email protected]>
 * Copyright The 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, see <https://www.gnu.org/licenses/>.
 */
 
#include <wx/tokenzr.h>
#include <wx/xml/xml.h>
 
#include "x3d_appearance.h"
#include "x3d_coords.h"
#include "x3d_ops.h"
#include "x3d_transform.h"
 
 
bool X3D::ReadTransform( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
    // note: we must have a parent or else we will have a memory leak
    if( nullptr == aParent || nullptr == aNode )
        return false;
 
    wxXmlAttribute* prop;
 
    for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
    {
        const wxString& pname = prop->GetName();
 
        if( pname == wxT( "USE" ) )
        {
            X3DNODE* np = aDict.FindName( prop->GetValue() );
 
            if( nullptr == np )
                return false;
 
            if( !aParent->AddRefNode( np ) )
                return false;
 
            return true;
        }
    }
 
    X3DNODE* node = new X3DTRANSFORM;
 
    if( !node->Read( aNode, aParent, aDict ) )
    {
        delete node;
        return false;
    }
 
    return true;
}
 
 
bool X3D::ReadSwitch( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
    // XXX - TO BE IMPLEMENTED
    return false;
}
 
 
bool X3D::ReadShape( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
    // note: we must have a parent or else we will have a memory leak
    if( nullptr == aParent || nullptr == aNode )
        return false;
 
    wxXmlAttribute* prop;
 
    for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
    {
        const wxString& pname = prop->GetName();
 
        if( pname == wxT( "USE" ) )
        {
            X3DNODE* np = aDict.FindName( prop->GetValue() );
 
            if( nullptr == np )
                return false;
 
            if( !aParent->AddRefNode( np ) )
                return false;
 
            return true;
        }
    }
 
    X3DNODE* node = new X3DSHAPE;
 
    if( !node->Read( aNode, aParent, aDict ) )
    {
        delete node;
        return false;
    }
 
    return true;
}
 
 
bool X3D::ReadAppearance( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
    // note: we must have a parent or else we will have a memory leak
    if( nullptr == aParent || nullptr == aNode )
        return false;
 
    wxXmlAttribute* prop;
 
    for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
    {
        const wxString& pname = prop->GetName();
 
        if( pname == wxT( "USE" ) )
        {
            X3DNODE* np = aDict.FindName( prop->GetValue() );
 
            if( nullptr == np )
                return false;
 
            if( !aParent->AddRefNode( np ) )
                return false;
 
            return true;
        }
    }
 
    X3DNODE* node = new X3DAPP;
 
    if( !node->Read( aNode, aParent, aDict ) )
    {
        delete node;
        return false;
    }
 
    return true;
}
 
 
bool X3D::ReadIndexedFaceSet( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
    // note: we must have a parent or else we will have a memory leak
    if( nullptr == aParent || nullptr == aNode )
        return false;
 
    wxXmlAttribute* prop;
 
    for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
    {
        const wxString& pname = prop->GetName();
 
        if( pname == wxT( "USE" ) )
        {
            X3DNODE* np = aDict.FindName( prop->GetValue() );
 
            if( nullptr == np )
                return false;
 
            if( !aParent->AddRefNode( np ) )
                return false;
 
            return true;
        }
    }
 
    X3DNODE* node = new X3DIFACESET;
 
    if( !node->Read( aNode, aParent, aDict ) )
    {
        delete node;
        return false;
    }
 
    return true;
}
 
 
bool X3D::ReadCoordinates( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
    // note: we must have a parent or else we will have a memory leak
    if( nullptr == aParent || nullptr == aNode )
        return false;
 
    wxXmlAttribute* prop;
 
    for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
    {
        const wxString& pname = prop->GetName();
 
        if( pname == wxT( "USE" ) )
        {
            X3DNODE* np = aDict.FindName( prop->GetValue() );
 
            if( nullptr == np )
                return false;
 
            if( !aParent->AddRefNode( np ) )
                return false;
 
            return true;
        }
    }
 
    X3DNODE* node = new X3DCOORDS;
 
    if( !node->Read( aNode, aParent, aDict ) )
    {
        delete node;
        return false;
    }
 
    return true;
}
 
 
bool X3D::ParseSFBool( const wxString& aSource, bool& aResult )
{
    wxStringTokenizer tokens( aSource );
    wxString val = tokens.GetNextToken();
 
    if( val == wxT( "TRUE" ) || val == wxT( "1" ) )
    {
        aResult = true;
        return true;
    }
 
    if( val == wxT( "FALSE" ) || val == wxT( "0" ) )
    {
        aResult = false;
        return true;
    }
 
    return false;
}
 
 
bool X3D::ParseSFFloat( const wxString& aSource, float& aResult )
{
    wxStringTokenizer tokens( aSource );
 
    double x = 0;
    bool ret = tokens.GetNextToken().ToCDouble( &x );
 
    aResult = x;
    return ret;
}
 
 
bool X3D::ParseSFVec3( const wxString& aSource, WRLVEC3F& aResult )
{
    wxStringTokenizer tokens( aSource );
 
    double x = 0;
    double y = 0;
    double z = 0;
 
    bool ret = tokens.GetNextToken().ToCDouble( &x )
               && tokens.GetNextToken().ToCDouble( &y )
               && tokens.GetNextToken().ToCDouble( &z );
 
    aResult.x = x;
    aResult.y = y;
    aResult.z = z;
 
    return ret;
}
 
 
bool X3D::ParseSFRotation( const wxString& aSource, WRLROTATION& aResult )
{
    wxStringTokenizer tokens( aSource );
 
    double x = 0;
    double y = 0;
    double z = 0;
    double w = 0;
 
    bool ret = tokens.GetNextToken().ToCDouble( &x )
               && tokens.GetNextToken().ToCDouble( &y )
               && tokens.GetNextToken().ToCDouble( &z )
               && tokens.GetNextToken().ToCDouble( &w );
 
    aResult.x = x;
    aResult.y = y;
    aResult.z = z;
    aResult.w = w;
 
    return ret;
}