/*
 * 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 _KEYFRAME_H
#define _KEYFRAME_H

#include <vector>
#include <math.h>

#include "matrix.H"
#include "vector.H"

typedef vector<CVector> ControlVector_t;
class CKeyFrame;

class CInterpolate: public CObject {
public:
  CInterpolate();

  virtual CVector interpolate(double time, ControlVector_t * controlVector);
  virtual CVector interpolate(int start, double time,
                              ControlVector_t * controlVector);

  virtual void addControlVector(CKeyFrame * keyframe, 
                                const ControlVector_t & controlVector);

};

class CKeyFrame : public CObject {

  ControlVector_t * m_controlVector;
  CInterpolate * m_interpolate;

public:
  CKeyFrame(CInterpolate * interpolate);
  virtual ~CKeyFrame();

  void addControlVector(const CVector & vector);
  void addControlVector(const ControlVector_t & controlVector);

  virtual CVector interpolate(double time);
};

#endif // _KEYFRAME_H