/*
 * 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.
 */

/** \file
 * \ingroup balembic
 */

#ifndef __ABC_HAIR_H__
#define __ABC_HAIR_H__

#include "abc_object.h"

struct ParticleSettings;
struct ParticleSystem;

/* ************************************************************************** */

class AbcHairWriter : public AbcObjectWriter {
  ParticleSystem *m_psys;

  Alembic::AbcGeom::OCurvesSchema m_schema;
  Alembic::AbcGeom::OCurvesSchema::Sample m_sample;

  bool m_uv_warning_shown;

 public:
  AbcHairWriter(Object *ob,
                AbcTransformWriter *parent,
                uint32_t time_sampling,
                ExportSettings &settings,
                ParticleSystem *psys);

 private:
  virtual void do_write();

  void write_hair_sample(struct Mesh *mesh,
                         ParticleSettings *part,
                         std::vector<Imath::V3f> &verts,
                         std::vector<Imath::V3f> &norm_values,
                         std::vector<Imath::V2f> &uv_values,
                         std::vector<int32_t> &hvertices);

  void write_hair_child_sample(struct Mesh *mesh,
                               ParticleSettings *part,
                               std::vector<Imath::V3f> &verts,
                               std::vector<Imath::V3f> &norm_values,
                               std::vector<Imath::V2f> &uv_values,
                               std::vector<int32_t> &hvertices);
};

#endif /* __ABC_HAIR_H__ */
