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/*
* 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
*/
#include "intern/eval/deg_eval_runtime_backup_scene.h"
#include "BKE_sound.h"
#include "DNA_rigidbody_types.h"
#include "DNA_scene_types.h"
namespace DEG {
SceneBackup::SceneBackup(const Depsgraph *depsgraph) : sequencer_backup(depsgraph)
{
reset();
}
void SceneBackup::reset()
{
sound_scene = nullptr;
playback_handle = nullptr;
sound_scrub_handle = nullptr;
speaker_handles = nullptr;
rigidbody_last_time = -1;
}
void SceneBackup::init_from_scene(Scene *scene)
{
BKE_sound_lock();
sound_scene = scene->sound_scene;
playback_handle = scene->playback_handle;
sound_scrub_handle = scene->sound_scrub_handle;
speaker_handles = scene->speaker_handles;
if (scene->rigidbody_world != nullptr) {
rigidbody_last_time = scene->rigidbody_world->ltime;
}
/* Clear pointers stored in the scene, so they are not freed when copied-on-written datablock
* is freed for re-allocation. */
scene->sound_scene = nullptr;
scene->playback_handle = nullptr;
scene->sound_scrub_handle = nullptr;
scene->speaker_handles = nullptr;
sequencer_backup.init_from_scene(scene);
}
void SceneBackup::restore_to_scene(Scene *scene)
{
scene->sound_scene = sound_scene;
scene->playback_handle = playback_handle;
scene->sound_scrub_handle = sound_scrub_handle;
scene->speaker_handles = speaker_handles;
if (scene->rigidbody_world != nullptr) {
scene->rigidbody_world->ltime = rigidbody_last_time;
}
sequencer_backup.restore_to_scene(scene);
BKE_sound_unlock();
reset();
}
} // namespace DEG
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