// Filename: animBundle.cxx
// Created by:  drose (21Feb99)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, 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://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////


#include "animBundle.h"

#include "indent.h"
#include "datagram.h"
#include "datagramIterator.h"
#include "bamReader.h"
#include "bamWriter.h"

TypeHandle AnimBundle::_type_handle;

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::Copy Constructor
//       Access: Protected
//  Description: Creates a new AnimBundle, just like this one, without
//               copying any children.  The new copy is added to the
//               indicated parent.  Intended to be called by
//               make_copy() only.
////////////////////////////////////////////////////////////////////
AnimBundle::
AnimBundle(AnimGroup *parent, const AnimBundle &copy) : 
  AnimGroup(parent, copy),
  _fps(copy._fps),
  _num_frames(copy._num_frames)
{
  nassertv(_root == (AnimBundle *)NULL);
  _root = this;
}

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::copy_bundle
//       Access: Published
//  Description: Returns a full copy of the bundle and its entire tree
//               of nested AnimGroups.  However, the actual data
//               stored in the leaves--that is, animation tables, such
//               as those stored in an AnimChannelMatrixXfmTable--will
//               be shared.
////////////////////////////////////////////////////////////////////
PT(AnimBundle) AnimBundle::
copy_bundle() const {
  PT(AnimGroup) group = copy_subtree((AnimGroup *)NULL);
  return DCAST(AnimBundle, group.p());
}

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::output
//       Access: Public, Virtual
//  Description: Writes a one-line description of the bundle.
////////////////////////////////////////////////////////////////////
void AnimBundle::
output(ostream &out) const {
  out << get_type() << " " << get_name() << ", " << get_num_frames()
      << " frames at " << get_base_frame_rate() << " fps";
}

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::make_copy
//       Access: Protected, Virtual
//  Description: Returns a copy of this object, and attaches it to the
//               indicated parent (which may be NULL only if this is
//               an AnimBundle).  Intended to be called by
//               copy_subtree() only.
////////////////////////////////////////////////////////////////////
AnimGroup *AnimBundle::
make_copy(AnimGroup *parent) const {
  return new AnimBundle(parent, *this);
}

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::write_datagram
//       Access: Public
//  Description: Function to write the important information in
//               the particular object to a Datagram
////////////////////////////////////////////////////////////////////
void AnimBundle::
write_datagram(BamWriter *manager, Datagram &me) {
  AnimGroup::write_datagram(manager, me);
  me.add_float32(_fps);
  me.add_uint16(_num_frames);
}

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::fillin
//       Access: Protected
//  Description: Function that reads out of the datagram (or asks
//               manager to read) all of the data that is needed to
//               re-create this object and stores it in the appropiate
//               place
////////////////////////////////////////////////////////////////////
void AnimBundle::
fillin(DatagramIterator &scan, BamReader *manager) {
  AnimGroup::fillin(scan, manager);
  _fps = scan.get_float32();
  _num_frames = scan.get_uint16();
}

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::make_AnimBundle
//       Access: Protected
//  Description: Factory method to generate a AnimBundle object
////////////////////////////////////////////////////////////////////
TypedWritable *AnimBundle::
make_AnimBundle(const FactoryParams &params) {
  AnimBundle *me = new AnimBundle;
  DatagramIterator scan;
  BamReader *manager;

  parse_params(params, scan, manager);
  me->fillin(scan, manager);
  return me;
}

////////////////////////////////////////////////////////////////////
//     Function: AnimBundle::register_with_factory
//       Access: Public, Static
//  Description: Factory method to generate a AnimBundle object
////////////////////////////////////////////////////////////////////
void AnimBundle::
register_with_read_factory() {
  BamReader::get_factory()->register_factory(get_class_type(), make_AnimBundle);
}

