characterSlider.cxx

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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 characterSlider.cxx
 * @author drose
 * @date 1999-03-03
 */

#include "characterSlider.h"
#include "characterVertexSlider.h"
#include "datagram.h"
#include "datagramIterator.h"
#include "bamReader.h"
#include "bamWriter.h"

TypeHandle CharacterSlider::_type_handle;

/**
 * For internal use only.
 */
CharacterSlider::
CharacterSlider() {
}

/**
 *
 */
CharacterSlider::
CharacterSlider(const CharacterSlider &copy) :
  MovingPartScalar(copy)
{
}

/**
 *
 */
CharacterSlider::
CharacterSlider(PartGroup *parent, const std::string &name)
  : MovingPartScalar(parent, name) {
}

/**
 *
 */
CharacterSlider::
~CharacterSlider() {
  nassertv(_vertex_sliders.empty());
}

/**
 * Allocates and returns a new copy of the node.  Children are not copied, but
 * see copy_subgraph().
 */
PartGroup *CharacterSlider::
make_copy() const {
  return new CharacterSlider(*this);
}

/**
 * This is called by do_update() whenever the part or some ancestor has
 * changed values.  It is a hook for derived classes to update whatever cache
 * they may have that depends on these.
 *
 * The return value is true if the part has changed as a result of the update,
 * or false otherwise.
 */
bool CharacterSlider::
update_internals(PartBundle *, PartGroup *, bool, bool, Thread *current_thread) {
  // Tell our related CharacterVertexSliders that they now need to recompute
  // themselves.
  VertexSliders::iterator vsi;
  for (vsi = _vertex_sliders.begin(); vsi != _vertex_sliders.end(); ++vsi) {
    (*vsi)->mark_modified(current_thread);
  }

  return true;
}

/**
 * Factory method to generate a CharacterSlider object
 */
TypedWritable* CharacterSlider::
make_CharacterSlider(const FactoryParams &params)
{
  CharacterSlider *me = new CharacterSlider;
  DatagramIterator scan;
  BamReader *manager;

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

/**
 * Factory method to generate a CharacterSlider object
 */
void CharacterSlider::
register_with_read_factory()
{
  BamReader::get_factory()->register_factory(get_class_type(), make_CharacterSlider);
}