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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_UTIL_H__
#define __ABC_UTIL_H__
#include <Alembic/Abc/All.h>
#include <Alembic/AbcGeom/All.h>
#ifdef _MSC_VER
# define ABC_INLINE static __forceinline
#else
# define ABC_INLINE static inline
#endif
struct CacheReader {
int unused;
};
using Alembic::Abc::chrono_t;
class AbcObjectReader;
struct ImportSettings;
struct ID;
struct Object;
std::string get_id_name(ID *id);
std::string get_id_name(Object *ob);
std::string get_object_dag_path_name(Object *ob, Object *dupli_parent);
bool object_selected(Object *ob);
bool parent_selected(Object *ob);
Imath::M44d convert_matrix(float mat[4][4]);
void create_transform_matrix(float r_mat[4][4]);
void create_transform_matrix(Object *obj, float transform_mat[4][4]);
void split(const std::string &s, const char delim, std::vector<std::string> &tokens);
template<class TContainer>
bool begins_with(const TContainer &input, const TContainer &match)
{
return input.size() >= match.size()
&& std::equal(match.begin(), match.end(), input.begin());
}
void convert_matrix(const Imath::M44d &xform, Object *ob,
float r_mat[4][4], float scale, bool has_alembic_parent = false);
template <typename Schema>
void get_min_max_time_ex(const Schema &schema, chrono_t &min, chrono_t &max)
{
const Alembic::Abc::TimeSamplingPtr &time_samp = schema.getTimeSampling();
if (!schema.isConstant()) {
const size_t num_samps = schema.getNumSamples();
if (num_samps > 0) {
const chrono_t min_time = time_samp->getSampleTime(0);
min = std::min(min, min_time);
const chrono_t max_time = time_samp->getSampleTime(num_samps - 1);
max = std::max(max, max_time);
}
}
}
template <typename Schema>
void get_min_max_time(const Alembic::AbcGeom::IObject &object, const Schema &schema, chrono_t &min, chrono_t &max)
{
get_min_max_time_ex(schema, min, max);
const Alembic::AbcGeom::IObject &parent = object.getParent();
if (parent.valid() && Alembic::AbcGeom::IXform::matches(parent.getMetaData())) {
Alembic::AbcGeom::IXform xform(parent, Alembic::AbcGeom::kWrapExisting);
get_min_max_time_ex(xform.getSchema(), min, max);
}
}
bool has_property(const Alembic::Abc::ICompoundProperty &prop, const std::string &name);
float get_weight_and_index(float time,
const Alembic::AbcCoreAbstract::TimeSamplingPtr &time_sampling,
int samples_number,
Alembic::AbcGeom::index_t &i0,
Alembic::AbcGeom::index_t &i1);
AbcObjectReader *create_reader(const Alembic::AbcGeom::IObject &object, ImportSettings &settings);
/* ************************** */
/* TODO(kevin): for now keeping these transformations hardcoded to make sure
* everything works properly, and also because Alembic is almost exclusively
* used in Y-up software, but eventually they'll be set by the user in the UI
* like other importers/exporters do, to support other axis. */
/* Copy from Y-up to Z-up. */
ABC_INLINE void copy_yup_zup(float zup[3], const float yup[3])
{
zup[0] = yup[0];
zup[1] = -yup[2];
zup[2] = yup[1];
}
ABC_INLINE void copy_yup_zup(short zup[3], const short yup[3])
{
zup[0] = yup[0];
zup[1] = -yup[2];
zup[2] = yup[1];
}
/* Copy from Z-up to Y-up. */
ABC_INLINE void copy_zup_yup(float yup[3], const float zup[3])
{
yup[0] = zup[0];
yup[1] = zup[2];
yup[2] = -zup[1];
}
ABC_INLINE void copy_zup_yup(short yup[3], const short zup[3])
{
yup[0] = zup[0];
yup[1] = zup[2];
yup[2] = -zup[1];
}
#endif /* __ABC_UTIL_H__ */
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