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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.
*/
#pragma once
#include "IO_abstract_hierarchy_iterator.h"
#include "usd.h"
#include "usd_exporter_context.h"
#include <string>
#include <pxr/usd/usd/common.h>
#include <pxr/usd/usd/timeCode.h>
struct Depsgraph;
struct Object;
namespace blender::io::usd {
using blender::io::AbstractHierarchyIterator;
using blender::io::AbstractHierarchyWriter;
using blender::io::HierarchyContext;
class USDHierarchyIterator : public AbstractHierarchyIterator {
private:
const pxr::UsdStageRefPtr stage_;
pxr::UsdTimeCode export_time_;
const USDExportParams ¶ms_;
public:
USDHierarchyIterator(Depsgraph *depsgraph,
pxr::UsdStageRefPtr stage,
const USDExportParams ¶ms);
void set_export_frame(float frame_nr);
const pxr::UsdTimeCode &get_export_time_code() const;
virtual std::string make_valid_name(const std::string &name) const override;
protected:
virtual bool mark_as_weak_export(const Object *object) const override;
virtual AbstractHierarchyWriter *create_transform_writer(
const HierarchyContext *context) override;
virtual AbstractHierarchyWriter *create_data_writer(const HierarchyContext *context) override;
virtual AbstractHierarchyWriter *create_hair_writer(const HierarchyContext *context) override;
virtual AbstractHierarchyWriter *create_particle_writer(
const HierarchyContext *context) override;
virtual void release_writer(AbstractHierarchyWriter *writer) override;
private:
USDExporterContext create_usd_export_context(const HierarchyContext *context);
};
} // namespace blender::io::usd
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