collisionRecorder.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 collisionRecorder.cxx
 * @author drose
 * @date 2003-04-16
 */

#include "collisionRecorder.h"
#include "collisionTraverser.h"

#ifdef DO_COLLISION_RECORDING

TypeHandle CollisionRecorder::_type_handle;

/**
 *
 */
CollisionRecorder::
CollisionRecorder() {
  _num_missed = 0;
  _num_detected = 0;
  _trav = nullptr;
}

/**
 *
 */
CollisionRecorder::
~CollisionRecorder() {
  if (_trav != nullptr) {
    _trav->clear_recorder();
  }
}

/**
 *
 */
void CollisionRecorder::
output(std::ostream &out) const {
  out << "tested " << _num_missed + _num_detected << ", detected "
      << _num_detected << "\n";
}

/**
 * This method is called at the beginning of a CollisionTraverser::traverse()
 * call.  It is provided as a hook for the derived class to reset its state as
 * appropriate.
 */
void CollisionRecorder::
begin_traversal() {
  _num_missed = 0;
  _num_detected = 0;
}

/**
 * This method is called when a pair of collision solids have passed all
 * bounding-volume tests and have been tested for a collision.  The detected
 * value is set true if a collision was detected, false otherwise.
 */
void CollisionRecorder::
collision_tested(const CollisionEntry &entry, bool detected) {
  if (detected) {
    _num_detected++;
  } else {
    _num_missed++;
  }
}

/**
 * This method is called at the end of a CollisionTraverser::traverse() call.
 * It is provided as a hook for the derived class to finalize its state as
 * appropriate.
 */
void CollisionRecorder::
end_traversal() {
}

#endif  // DO_COLLISION_RECORDING