basic/geometry/vrml_reader/VrmlGroup.cpp

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#include <assert.h>
#include <stdio.h>
#include "utility.h"
#include "VrmlGroup.h"

//=============================================================================
// Destructor
//
// Description: Destructor
//=============================================================================
VrmlGroup::~VrmlGroup()
{
}

//=============================================================================
// Parse
//
// Description: parses this node from a buffer
//=============================================================================
void VrmlGroup::Parse( char*& buffer )
{
        while( *buffer != '}' )
        {
                Keyword keyword = VrmlNode::GetKeyword( buffer );
                if( keyword == VRML_BboxCenter )
                {
                        this->m_BboxCenter.Parse( buffer );
                        this->m_BboxCenter.SetType( VrmlKeywordBboxCenter );    //IAN IMPROVE: these should automatically set thier name
                }
                else if( keyword == VRML_BboxSize )
                {
                        this->m_BboxSize.Parse( buffer );
                        this->m_BboxSize.SetType( VrmlKeywordBboxSize );                //IAN IMPROVE: these should automatically set thier name
                }
                else if( keyword == VRML_Children )
                {
                        EatWhite( buffer );
                        buffer++;
                        this->m_Children.Parse( buffer );
                }
                else
                {
                        printf( "VrmlGroup::Parse - Unknown keyword\n" );
                }
                EatWhite( buffer );
        }
        //advance past trailing '}'
        EatWhite( buffer );
        buffer++;
}

//=============================================================================
// Render
//
// Description: renders this VrmlObject via the VRML renderer
//=============================================================================
void VrmlGroup::Render( VrmlStack& stack ) const
{
        this->m_BboxCenter.Render( stack );
        this->m_BboxSize.Render( stack );
        this->m_Children.Render( stack );
}

//=============================================================================
// RenderToIGS
//
// Description: renders this VrmlObject to the IGS subsystem
//=============================================================================
void VrmlGroup::RenderOpenGl( VrmlStack& stack ) const
{
        this->m_BboxCenter.RenderOpenGl( stack );
        this->m_BboxSize.RenderOpenGl( stack );
        this->m_Children.RenderOpenGl( stack );
}

//=============================================================================
// RenderToIGS
//
// Description: renders this VrmlObject to the IGS subsystem
//=============================================================================
IGS_Object* VrmlGroup::RenderToIGS( VrmlStack& stack ) const
{
        this->m_BboxCenter.RenderToIGS( stack );                //this won't return anything
        this->m_BboxSize.RenderToIGS( stack );                  //this won't return anything either
        IGS_Object* object = this->m_Children.RenderToIGS( stack );
        return object;
}

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