/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2019 Blender Foundation. All rights reserved. */

/** \file
 * \ingroup depsgraph
 */

#include "intern/eval/deg_eval_runtime_backup_sequence.h"

#include "DNA_sequence_types.h"

namespace blender::deg {

SequenceBackup::SequenceBackup(const Depsgraph * /*depsgraph*/)
{
  reset();
}

void SequenceBackup::reset()
{
  scene_sound = nullptr;
  BLI_listbase_clear(&anims);
}

void SequenceBackup::init_from_sequence(Sequence *sequence)
{
  scene_sound = sequence->scene_sound;
  anims = sequence->anims;

  sequence->scene_sound = nullptr;
  BLI_listbase_clear(&sequence->anims);
}

void SequenceBackup::restore_to_sequence(Sequence *sequence)
{
  sequence->scene_sound = scene_sound;
  sequence->anims = anims;
  reset();
}

bool SequenceBackup::isEmpty() const
{
  return (scene_sound == nullptr) && BLI_listbase_is_empty(&anims);
}

}  // namespace blender::deg