abc_writer_instance.h

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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.
 */
#pragma once
 
#include "abc_writer_abstract.h"
 
namespace blender::io::alembic {
 
/* Writer for Alembic instances, i.e. data that references another Alembic object.
 *
 * Note that the Alembic object created by this writer cannot be used as a
 * parent, because it already instantiates the entire hierarchy of the
 * referenced object. */
class ABCInstanceWriter : public ABCAbstractWriter {
 public:
  explicit ABCInstanceWriter(const ABCWriterConstructorArgs &args);
 
  virtual void create_alembic_objects(const HierarchyContext *context) override;
  virtual Alembic::Abc::OObject get_alembic_object() const override;
 
 protected:
  virtual bool is_supported(const HierarchyContext *context) const override;
  virtual void do_write(HierarchyContext &context) override;
  void ensure_custom_properties_exporter(const HierarchyContext &context) override;
  Alembic::Abc::OCompoundProperty abc_prop_for_custom_props() override;
};
 
}  // namespace blender::io::alembic