// Filename: sequenceNode.h
// Created by:  jason (18Jul00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

#ifndef SEQUENCENODE_H
#define SEQUENCENODE_H

#include <pandabase.h>

#include "switchNodeOne.h"

#include <timedCycle.h>
#include <pointerToArray.h>

////////////////////////////////////////////////////////////////////
//       Class : SequenceNode
// Description : A node that implements the ability to switch out
//               what node is rendered based on time
////////////////////////////////////////////////////////////////////

class EXPCL_PANDA SequenceNode : public SwitchNodeOne, public TimedCycle
{
PUBLISHED:
  SequenceNode(const string &initial_name = "");
  SequenceNode(float switch_time, const string &initial_name = "");

  void set_switch_time(float switch_time);

public:
  virtual Node *make_copy() const;
  virtual void compute_switch(RenderTraverser *trav);

public:
  static void register_with_read_factory();
  virtual void write_datagram(BamWriter *manager, Datagram &me);

  static TypedWritable *make_SequenceNode(const FactoryParams &params);

protected:
  void fillin(DatagramIterator &scan, BamReader *manager);

public:
  static TypeHandle get_class_type( void ) {
      return _type_handle;
  }
  static void init_type( void ) {
    SwitchNodeOne::init_type();
    register_type( _type_handle, "SequenceNode",
                SwitchNodeOne::get_class_type() );
  }
  virtual TypeHandle get_type( void ) const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}

private:
  static TypeHandle             _type_handle;
};

#endif
