/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2019 Blender Foundation.
 * All rights reserved.
 */

/** \file
 * \ingroup depsgraph
 */

#pragma once

#include "intern/eval/deg_eval_runtime_backup_sequencer.h"

struct Scene;

namespace DEG {

struct Depsgraph;

/* Backup of scene runtime data. */
class SceneBackup {
 public:
  SceneBackup(const Depsgraph *depsgraph);

  void reset();

  void init_from_scene(Scene *scene);
  void restore_to_scene(Scene *scene);

  /* Sound/audio related pointers of the scene itself.
   *
   * NOTE: Scene can not disappear after relations update, because otherwise the entire dependency
   * graph will be gone. This means we don't need to compare original scene pointer, or worry about
   * freeing those if they cant' be restored: we just copy them over to a new scene. */
  void *sound_scene;
  void *playback_handle;
  void *sound_scrub_handle;
  void *speaker_handles;
  float rigidbody_last_time;

  SequencerBackup sequencer_backup;
};

}  // namespace DEG