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Diffstat (limited to 'source/blender/alembic/intern/abc_util.h')
-rw-r--r-- | source/blender/alembic/intern/abc_util.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/source/blender/alembic/intern/abc_util.h b/source/blender/alembic/intern/abc_util.h new file mode 100644 index 00000000000..688a25d85f6 --- /dev/null +++ b/source/blender/alembic/intern/abc_util.h @@ -0,0 +1,125 @@ +/* + * ***** 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 + +using Alembic::Abc::chrono_t; + +class 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 create_input_transform(const Alembic::AbcGeom::ISampleSelector &sample_sel, + const Alembic::AbcGeom::IXform &ixform, Object *ob, + float r_mat[4][4], float scale, bool has_alembic_parent = false); + +template <typename Schema> +void get_min_max_time(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); + } + } +} + +bool has_property(const Alembic::Abc::ICompoundProperty &prop, const std::string &name); + +/* ************************** */ + +/* 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__ */ |