eggComponentData.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 eggComponentData.cxx
 * @author drose
 * @date 2001-02-26
 */

#include "eggComponentData.h"
#include "eggBackPointer.h"
#include "nameUniquifier.h"

#include "indent.h"

TypeHandle EggComponentData::_type_handle;


/**
 *
 */
EggComponentData::
EggComponentData(EggCharacterCollection *collection,
                 EggCharacterData *char_data) :
  _collection(collection),
  _char_data(char_data)
{
}

/**
 *
 */
EggComponentData::
~EggComponentData() {
  BackPointers::iterator bpi;
  for (bpi = _back_pointers.begin(); bpi != _back_pointers.end(); ++bpi) {
    EggBackPointer *back = (*bpi);
    if (back != nullptr) {
      delete back;
    }
  }
}

/**
 * Adds the indicated name to the set of names that this component can be
 * identified with.  If this is the first name added, it becomes the primary
 * name of the component; later names added do not replace the primary name,
 * but do get added to the list of names that will be accepted by
 * matched_name().
 */
void EggComponentData::
add_name(const std::string &name, NameUniquifier &uniquifier) {
  if (_names.insert(name).second) {
    // This is a new name for this component.
    if (!has_name()) {
      set_name(uniquifier.add_name(name));
      if (get_name() != name) {
        nout << "Warning: renamed " << name << " to " << get_name()
             << " to avoid naming conflict.\n";
      }
    }
  }
}

/**
 * Returns true if the indicated name matches any name that was ever matched
 * with this particular joint, false otherwise.
 */
bool EggComponentData::
matches_name(const std::string &name) const {
  if (name == get_name()) {
    return true;
  }
  return (_names.find(name) != _names.end());
}

/**
 * Returns the number of frames of animation for this particular component in
 * the indicated model.
 */
int EggComponentData::
get_num_frames(int model_index) const {
  EggBackPointer *back = get_model(model_index);
  if (back == nullptr) {
    return 0;
  }
  return back->get_num_frames();
}

/**
 * Extends the number of frames in the indicated model (presumably an
 * animation table model) to the given number.
 */
void EggComponentData::
extend_to(int model_index, int num_frames) const {
  EggBackPointer *back = get_model(model_index);
  nassertv(back != nullptr);
  back->extend_to(num_frames);
}

/**
 * Returns the number of frames of animation for this particular component in
 * the indicated model.
 */
double EggComponentData::
get_frame_rate(int model_index) const {
  EggBackPointer *back = get_model(model_index);
  if (back == nullptr) {
    return 0.0;
  }
  return back->get_frame_rate();
}

/**
 * Sets the back_pointer associated with the given model_index.
 */
void EggComponentData::
set_model(int model_index, EggBackPointer *back) {
  while ((int)_back_pointers.size() <= model_index) {
    _back_pointers.push_back(nullptr);
  }

  if (_back_pointers[model_index] != nullptr) {
    nout << "Warning: deleting old back pointer.\n";
    delete _back_pointers[model_index];
  }
  _back_pointers[model_index] = back;
}