dataProxy.cpp

/*
 * Copyright (c) 2009, Philippe Robert <probert@eyescale.ch> 
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *  
 * This library 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 Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "dataProxy.h"
#include "client.h"

namespace eqNbody
{
    
    DataProxy::DataProxy() : _offset(0), _numBytes(0)
    {           
        _hPos = NULL;
        _hVel = NULL;
        _hCol = NULL;       
    }
        
    void DataProxy::serialize( eq::net::DataOStream& os, const uint64_t dirtyBits )
    {
        eq::Object::serialize( os, dirtyBits );
        
        if( dirtyBits & DIRTY_DATA ) {
            os << _offset << _numBytes;

            EQASSERT(_hPos != NULL);            
            EQASSERT(_hVel != NULL);

            os.write(_hPos+_offset, _numBytes);
            os.write(_hVel+_offset, _numBytes);
            //os.write(_hCol+_offset, _numBytes);           
        }       
    }
    
    void DataProxy::deserialize( eq::net::DataIStream& is, const uint64_t dirtyBits )
    {
        eq::Object::deserialize( is, dirtyBits );

        if( dirtyBits & DIRTY_DATA ) {
            is >> _offset >> _numBytes;

            EQASSERT(_hPos != NULL);
            EQASSERT(_hVel != NULL);

            is.read(_hPos+_offset, _numBytes);
            is.read(_hVel+_offset, _numBytes);
            //is.read(_hCol+_offset, _numBytes);
        }       
    }
        
    void DataProxy::init(const unsigned int offset, const unsigned int numBytes, float *pos, float *vel, float *col)
    {
        _offset     = offset;
        _numBytes   = numBytes;

        _hPos       = pos;
        _hVel       = vel;
        _hCol       = col;
        
        setDirty( DIRTY_DATA );
    }

    void DataProxy::init(float *pos, float *vel, float *col)
    {
        _hPos       = pos;
        _hVel       = vel;
        _hCol       = col;
        
        setDirty( DIRTY_DATA );
    }
    
    void DataProxy::exit()
    {
        _offset     = 0;
        _numBytes   = 0;
        
        _hPos       = NULL;
        _hVel       = NULL;
        _hCol       = NULL;             
    }
    
    void DataProxy::markDirty()
    {
        setDirty( DIRTY_DATA );
    }
    
}