/*
 * PVVMUD a 3D MUD
 * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifndef _PINGPONG_H
#define _PINGPONG_H

#include <iostream>
#include <vector>

#define MAXPINGPONG   21

#define PS_NOTUSED      0
#define PS_OK           1
#define PS_WAIT         2
#define PS_BAD          3

typedef vector<DWORD> delta_t;

class CPingPong {

  typedef struct {
    BYTE  state;
    DWORD sendTime;
    DWORD reciveTime;
    DWORD serverTime;
  } pingPong_t;

  pingPong_t * m_pingPong;
  BYTE m_currPing;
  BYTE m_maxPing;
  BYTE m_numPing;
  BOOL m_firstPing;

private:
  delta_t getDeltaVector(DWORD * deltaTime);

public:
  CPingPong(BYTE maxPing);
  virtual ~CPingPong();

  BYTE sendPing(DWORD sendTime);
  long recivePong(DWORD reciveTime, BYTE sequenceNumber, DWORD serverTime);

  friend ostream& operator<<(ostream&s,CPingPong&pingPong);

};

ostream& operator<<(ostream&s,CPingPong&p);

#endif // _PINGPONG_H