particleSystemManager.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file particleSystemManager.h
 * @author charles
 * @date 2000-06-28
 */
 
#ifndef PARTICLESYSTEMMANAGER_H
#define PARTICLESYSTEMMANAGER_H
 
#include "pandabase.h"
#include "plist.h"
#include "particleSystem.h"
#include "pStatCollector.h"
 
/**
 * Manages a set of individual ParticleSystem objects, so that each individual
 * one doesn't have to be updated and rendered every frame See Also :
 * particleSystemManager.cxx
 */
class EXPCL_PANDA_PARTICLESYSTEM ParticleSystemManager {
PUBLISHED:
  explicit ParticleSystemManager(int every_nth_frame = 1);
  virtual ~ParticleSystemManager();
 
  INLINE void set_frame_stepping(int every_nth_frame);
  INLINE int get_frame_stepping() const;
 
  INLINE void attach_particlesystem(ParticleSystem *ps);
  void remove_particlesystem(ParticleSystem *ps);
  INLINE void clear();
 
  void do_particles(PN_stdfloat dt);
  void do_particles(PN_stdfloat dt, ParticleSystem * ps, bool do_render = true);
 
  virtual void output(std::ostream &out) const;
  virtual void write_ps_list(std::ostream &out, int indent=0) const;
  virtual void write(std::ostream &out, int indent=0) const;
 
private:
  plist< PT(ParticleSystem) > _ps_list;
 
  int _nth_frame;
  int _cur_frame;
 
  static PStatCollector _do_particles_collector;
};
 
#include "particleSystemManager.I"
 
#endif // PARTICLESYSTEMMANAGER_H