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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) 2020 Blender Foundation.
* All rights reserved.
*/
#pragma once
#include <set>
struct Depsgraph;
struct ModifierData;
struct Object;
struct Scene;
namespace blender {
namespace io {
namespace alembic {
/**
* Temporarily all subdivision modifiers on mesh objects.
* The destructor restores all disabled modifiers.
*
* This is used to export unsubdivided meshes to Alembic. It is done in a separate step before the
* exporter starts iterating over all the frames, so that it only has to happen once per export.
*/
class SubdivModifierDisabler final {
private:
Depsgraph *depsgraph_;
std::set<ModifierData *> disabled_modifiers_;
public:
explicit SubdivModifierDisabler(Depsgraph *depsgraph);
~SubdivModifierDisabler();
void disable_modifiers();
static ModifierData *get_subdiv_modifier(Scene *scene, Object *ob);
};
} // namespace alembic
} // namespace io
} // namespace blender
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