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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2020 Blender Foundation. All rights reserved. */
/** \file
* \ingroup Alembic
*/
#pragma once
#include "ABC_alembic.h"
#include "IO_abstract_hierarchy_iterator.h"
#include <Alembic/Abc/OArchive.h>
#include <Alembic/Abc/OTypedScalarProperty.h>
#include <fstream>
#include <set>
#include <string>
struct Main;
struct Scene;
namespace blender::io::alembic {
/* Container for an Alembic archive and time sampling info.
*
* Constructor arguments are used to create the correct output stream and to set the archive's
* metadata. */
class ABCArchive {
public:
typedef std::set<double> Frames;
Alembic::Abc::OArchive *archive;
ABCArchive(const Main *bmain,
const Scene *scene,
AlembicExportParams params,
std::string filename);
~ABCArchive();
uint32_t time_sampling_index_transforms() const;
uint32_t time_sampling_index_shapes() const;
Frames::const_iterator frames_begin() const;
Frames::const_iterator frames_end() const;
size_t total_frame_count() const;
bool is_xform_frame(double frame) const;
bool is_shape_frame(double frame) const;
ExportSubset export_subset_for_frame(double frame) const;
void update_bounding_box(const Imath::Box3d &bounds);
private:
std::ofstream abc_ostream_;
uint32_t time_sampling_index_transforms_;
uint32_t time_sampling_index_shapes_;
Frames xform_frames_;
Frames shape_frames_;
Frames export_frames_;
Alembic::Abc::OBox3dProperty abc_archive_bbox_;
};
} // namespace blender::io::alembic
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