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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* Contributor(s): Esteban Tovagliari, Cedric Paille, Kevin Dietrich
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __ABC_MESH_H__
#define __ABC_MESH_H__
#include "abc_customdata.h"
#include "abc_object.h"
struct Mesh;
struct ModifierData;
/* ************************************************************************** */
/* Writer for Alembic meshes. Does not assume the object is a mesh object. */
class AbcGenericMeshWriter : public AbcObjectWriter {
protected:
Alembic::AbcGeom::OPolyMeshSchema m_mesh_schema;
Alembic::AbcGeom::OPolyMeshSchema::Sample m_mesh_sample;
Alembic::AbcGeom::OSubDSchema m_subdiv_schema;
Alembic::AbcGeom::OSubDSchema::Sample m_subdiv_sample;
Alembic::Abc::OArrayProperty m_mat_indices;
bool m_is_animated;
ModifierData *m_subsurf_mod;
CDStreamConfig m_custom_data_config;
bool m_is_liquid;
bool m_is_subd;
public:
AbcGenericMeshWriter(Object *ob,
AbcTransformWriter *parent,
uint32_t time_sampling,
ExportSettings &settings);
~AbcGenericMeshWriter();
void setIsAnimated(bool is_animated);
protected:
virtual void do_write();
virtual bool isAnimated() const;
virtual Mesh *getEvaluatedMesh(Scene *scene_eval, Object *ob_eval, bool &r_needsfree) = 0;
Mesh *getFinalMesh(bool &r_needsfree);
void writeMesh(struct Mesh *mesh);
void writeSubD(struct Mesh *mesh);
void writeArbGeoParams(struct Mesh *mesh);
void getGeoGroups(struct Mesh *mesh, std::map<std::string, std::vector<int32_t> > &geoGroups);
/* fluid surfaces support */
void getVelocities(struct Mesh *mesh, std::vector<Imath::V3f> &vels);
template <typename Schema>
void writeFaceSets(struct Mesh *mesh, Schema &schema);
};
class AbcMeshWriter : public AbcGenericMeshWriter {
public:
AbcMeshWriter(Object *ob,
AbcTransformWriter *parent,
uint32_t time_sampling,
ExportSettings &settings);
~AbcMeshWriter();
protected:
virtual Mesh *getEvaluatedMesh(Scene *scene_eval, Object *ob_eval, bool &r_needsfree) override;
};
/* ************************************************************************** */
class AbcMeshReader : public AbcObjectReader {
Alembic::AbcGeom::IPolyMeshSchema m_schema;
CDStreamConfig m_mesh_data;
public:
AbcMeshReader(const Alembic::Abc::IObject &object, ImportSettings &settings);
bool valid() const;
bool accepts_object_type(const Alembic::AbcCoreAbstract::ObjectHeader &alembic_header,
const Object *const ob,
const char **err_str) const;
void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
struct Mesh *read_mesh(struct Mesh *existing_mesh,
const Alembic::Abc::ISampleSelector &sample_sel,
int read_flag,
const char **err_str);
private:
void readFaceSetsSample(Main *bmain, Mesh *mesh, size_t poly_start,
const Alembic::AbcGeom::ISampleSelector &sample_sel);
void assign_facesets_to_mpoly(const Alembic::Abc::ISampleSelector &sample_sel,
size_t poly_start,
MPoly *mpoly, int totpoly,
std::map<std::string, int> & r_mat_map);
};
/* ************************************************************************** */
class AbcSubDReader : public AbcObjectReader {
Alembic::AbcGeom::ISubDSchema m_schema;
CDStreamConfig m_mesh_data;
public:
AbcSubDReader(const Alembic::Abc::IObject &object, ImportSettings &settings);
bool valid() const;
bool accepts_object_type(const Alembic::AbcCoreAbstract::ObjectHeader &alembic_header,
const Object *const ob,
const char **err_str) const;
void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
struct Mesh *read_mesh(struct Mesh *existing_mesh,
const Alembic::Abc::ISampleSelector &sample_sel,
int read_flag,
const char **err_str);
};
/* ************************************************************************** */
void read_mverts(MVert *mverts,
const Alembic::AbcGeom::P3fArraySamplePtr &positions,
const Alembic::AbcGeom::N3fArraySamplePtr &normals);
CDStreamConfig get_config(struct Mesh *mesh);
#endif /* __ABC_MESH_H__ */
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