//
// C++ Implementation: synchronisable
//
// Description: 
//
//
// Author:  Oliver Scheuss, (C) 2007
//
// Copyright: See COPYING file that comes with this distribution
//

#include "network/Synchronisable.h"

namespace network {

Synchronisable::Synchronisable()
{
  registerAllVariables();
}


Synchronisable::~Synchronisable()
{
  
}

void Synchronisable::registerVar(const void *var, int size){
  synchronisableVariable temp={size, var};
  syncList.push_back(temp);
}
syncData Synchronisable::getData(){
  std::list<synchronisableVariable>::iterator i;
  int totalsize=0;
  //figure out size of data to be allocated
  for(i=syncList.begin(); i!=syncList.end(); i++){
    // increase size (size of variable and size of size of variable ;)
    totalsize+=sizeof(int)+i->size;
  }
  syncData retVal;
  retVal.objectID=this->objectID;
  retVal.classID=this->classID;
  retVal.length=totalsize;
  // allocate memory
  retVal.data = (unsigned char *)malloc(totalsize);
  // copy to location
  //CHANGED: REMOVED DECLARATION int n=0 FROM LOOP
  int n=0;
  for(i=syncList.begin(); n<totalsize && i!=syncList.end(); i++){
	//CHANGED: i->size TO (const void*)(&(i->size)) memcpy WANTS A CONST VOID* SO CONVERT INT TO CONST VOID*  
    std::memcpy(retVal.data+n, (const void*)(i->size), sizeof(int));
    n+=sizeof(int);
    //CHANGED: i->var TO (const void*)(&(i->var)) SINCE var IS A POINTER, NO & BEFORE i
    std::memcpy(retVal.data+n, (const void*)(i->var), i->size);
    n+=i->size;
  }
  return retVal;
}
bool Synchronisable::updateData(syncData vars){
  unsigned char *data=vars.data;
  std::list<synchronisableVariable>::iterator i;
  for(i=syncList.begin(); i!=syncList.end(); i++){
    if((int)*data==i->size){
      data+=sizeof(int);
      //CHANGED: THIS FROM i->var TO (void*)i->var SINCE var IS A CONST VOID* AND memcpy NEEDS A VOID* AS FIRST ARGUMENT
      memcpy((void*)i->var, data, i->size);
      data+=i->size;
    } else
      return false; //there was some problem with registerVar
  }
}

}