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blender-archive/source/blender/alembic/ABC_alembic.h

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Basic Alembic support All in all, this patch adds an Alembic importer, an Alembic exporter, and a new CacheFile data block which, for now, wraps around an Alembic archive. This data block is made available through a new modifier ("Mesh Sequence Cache") as well as a new constraint ("Transform Cache") to somewhat properly support respectively geometric and transformation data streaming from alembic caches. A more in-depth documentation is to be found on the wiki, as well as a guide to compile alembic: https://wiki.blender.org/index.php/ User:Kevindietrich/AlembicBasicIo. Many thanks to everyone involved in this little project, and huge shout out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the custom builds and compile fixes. Reviewers: sergey, campbellbarton, mont29 Reviewed By: sergey, campbellbarton, mont29 Differential Revision: https://developer.blender.org/D2060
2016-08-06 06:20:37 +02:00
/*
* ***** 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_ALEMBIC_H__
#define __ABC_ALEMBIC_H__
#ifdef __cplusplus
extern "C" {
#endif
struct bContext;
Alembic: store a pointer to the object reader in the cache modifiers and constraints. This avoids traversing the archive everytime object data is needed and gives an overall consistent ~2x speedup here with files containing between 136 and 500 Alembic objects. Also this somewhat nicely de- duplicates code between data creation (upon import) and data streaming (modifiers and constraints). The only worying part is what happens when a CacheFile is deleted and/or has its path changed. For now, we traverse the whole scene and for each object using the CacheFile we free the pointer and NULL-ify it (see BKE_cachefile_clean), but at some point this should be re-considered and make use of the dependency graph.
2016-10-29 12:23:09 +02:00
struct CacheReader;
Basic Alembic support All in all, this patch adds an Alembic importer, an Alembic exporter, and a new CacheFile data block which, for now, wraps around an Alembic archive. This data block is made available through a new modifier ("Mesh Sequence Cache") as well as a new constraint ("Transform Cache") to somewhat properly support respectively geometric and transformation data streaming from alembic caches. A more in-depth documentation is to be found on the wiki, as well as a guide to compile alembic: https://wiki.blender.org/index.php/ User:Kevindietrich/AlembicBasicIo. Many thanks to everyone involved in this little project, and huge shout out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the custom builds and compile fixes. Reviewers: sergey, campbellbarton, mont29 Reviewed By: sergey, campbellbarton, mont29 Differential Revision: https://developer.blender.org/D2060
2016-08-06 06:20:37 +02:00
struct DerivedMesh;
struct ListBase;
struct Object;
struct Scene;
typedef struct AbcArchiveHandle AbcArchiveHandle;
enum {
ABC_ARCHIVE_OGAWA = 0,
ABC_ARCHIVE_HDF5 = 1,
};
int ABC_get_version(void);
struct AlembicExportParams {
double frame_start;
double frame_end;
double frame_step_xform;
double frame_step_shape;
double shutter_open;
double shutter_close;
/* bools */
unsigned int selected_only : 1;
unsigned int uvs : 1;
unsigned int normals : 1;
unsigned int vcolors : 1;
unsigned int apply_subdiv : 1;
unsigned int flatten_hierarchy : 1;
unsigned int visible_layers_only : 1;
unsigned int renderable_only : 1;
unsigned int face_sets : 1;
unsigned int use_subdiv_schema : 1;
unsigned int packuv : 1;
Alembic: add option to triangulate meshes upon export.
2016-09-09 05:30:43 +02:00
unsigned int triangulate : 1;
Basic Alembic support All in all, this patch adds an Alembic importer, an Alembic exporter, and a new CacheFile data block which, for now, wraps around an Alembic archive. This data block is made available through a new modifier ("Mesh Sequence Cache") as well as a new constraint ("Transform Cache") to somewhat properly support respectively geometric and transformation data streaming from alembic caches. A more in-depth documentation is to be found on the wiki, as well as a guide to compile alembic: https://wiki.blender.org/index.php/ User:Kevindietrich/AlembicBasicIo. Many thanks to everyone involved in this little project, and huge shout out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the custom builds and compile fixes. Reviewers: sergey, campbellbarton, mont29 Reviewed By: sergey, campbellbarton, mont29 Differential Revision: https://developer.blender.org/D2060
2016-08-06 06:20:37 +02:00
unsigned int compression_type : 1;
Alembic: add option to triangulate meshes upon export.
2016-09-09 05:30:43 +02:00
int quad_method;
int ngon_method;
Basic Alembic support All in all, this patch adds an Alembic importer, an Alembic exporter, and a new CacheFile data block which, for now, wraps around an Alembic archive. This data block is made available through a new modifier ("Mesh Sequence Cache") as well as a new constraint ("Transform Cache") to somewhat properly support respectively geometric and transformation data streaming from alembic caches. A more in-depth documentation is to be found on the wiki, as well as a guide to compile alembic: https://wiki.blender.org/index.php/ User:Kevindietrich/AlembicBasicIo. Many thanks to everyone involved in this little project, and huge shout out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the custom builds and compile fixes. Reviewers: sergey, campbellbarton, mont29 Reviewed By: sergey, campbellbarton, mont29 Differential Revision: https://developer.blender.org/D2060
2016-08-06 06:20:37 +02:00
float global_scale;
};
void ABC_export(
struct Scene *scene,
struct bContext *C,
const char *filepath,
const struct AlembicExportParams *params);
void ABC_import(struct bContext *C,
const char *filepath,
float scale,
bool is_sequence,
bool set_frame_range,
int sequence_len,
int offset,
bool validate_meshes);
AbcArchiveHandle *ABC_create_handle(const char *filename, struct ListBase *object_paths);
void ABC_free_handle(AbcArchiveHandle *handle);
Alembic: store a pointer to the object reader in the cache modifiers and constraints. This avoids traversing the archive everytime object data is needed and gives an overall consistent ~2x speedup here with files containing between 136 and 500 Alembic objects. Also this somewhat nicely de- duplicates code between data creation (upon import) and data streaming (modifiers and constraints). The only worying part is what happens when a CacheFile is deleted and/or has its path changed. For now, we traverse the whole scene and for each object using the CacheFile we free the pointer and NULL-ify it (see BKE_cachefile_clean), but at some point this should be re-considered and make use of the dependency graph.
2016-10-29 12:23:09 +02:00
void ABC_get_transform(struct CacheReader *reader,
Basic Alembic support All in all, this patch adds an Alembic importer, an Alembic exporter, and a new CacheFile data block which, for now, wraps around an Alembic archive. This data block is made available through a new modifier ("Mesh Sequence Cache") as well as a new constraint ("Transform Cache") to somewhat properly support respectively geometric and transformation data streaming from alembic caches. A more in-depth documentation is to be found on the wiki, as well as a guide to compile alembic: https://wiki.blender.org/index.php/ User:Kevindietrich/AlembicBasicIo. Many thanks to everyone involved in this little project, and huge shout out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the custom builds and compile fixes. Reviewers: sergey, campbellbarton, mont29 Reviewed By: sergey, campbellbarton, mont29 Differential Revision: https://developer.blender.org/D2060
2016-08-06 06:20:37 +02:00
float r_mat[4][4],
float time,
float scale);
Alembic: store a pointer to the object reader in the cache modifiers and constraints. This avoids traversing the archive everytime object data is needed and gives an overall consistent ~2x speedup here with files containing between 136 and 500 Alembic objects. Also this somewhat nicely de- duplicates code between data creation (upon import) and data streaming (modifiers and constraints). The only worying part is what happens when a CacheFile is deleted and/or has its path changed. For now, we traverse the whole scene and for each object using the CacheFile we free the pointer and NULL-ify it (see BKE_cachefile_clean), but at some point this should be re-considered and make use of the dependency graph.
2016-10-29 12:23:09 +02:00
struct DerivedMesh *ABC_read_mesh(struct CacheReader *reader,
Basic Alembic support All in all, this patch adds an Alembic importer, an Alembic exporter, and a new CacheFile data block which, for now, wraps around an Alembic archive. This data block is made available through a new modifier ("Mesh Sequence Cache") as well as a new constraint ("Transform Cache") to somewhat properly support respectively geometric and transformation data streaming from alembic caches. A more in-depth documentation is to be found on the wiki, as well as a guide to compile alembic: https://wiki.blender.org/index.php/ User:Kevindietrich/AlembicBasicIo. Many thanks to everyone involved in this little project, and huge shout out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the custom builds and compile fixes. Reviewers: sergey, campbellbarton, mont29 Reviewed By: sergey, campbellbarton, mont29 Differential Revision: https://developer.blender.org/D2060
2016-08-06 06:20:37 +02:00
struct Object *ob,
struct DerivedMesh *dm,
const float time,
const char **err_str,
int flags);
Alembic: store a pointer to the object reader in the cache modifiers and constraints. This avoids traversing the archive everytime object data is needed and gives an overall consistent ~2x speedup here with files containing between 136 and 500 Alembic objects. Also this somewhat nicely de- duplicates code between data creation (upon import) and data streaming (modifiers and constraints). The only worying part is what happens when a CacheFile is deleted and/or has its path changed. For now, we traverse the whole scene and for each object using the CacheFile we free the pointer and NULL-ify it (see BKE_cachefile_clean), but at some point this should be re-considered and make use of the dependency graph.
2016-10-29 12:23:09 +02:00
void CacheReader_free(struct CacheReader *reader);
struct CacheReader *CacheReader_open_alembic_object(struct AbcArchiveHandle *handle,
struct CacheReader *reader,
struct Object *object,
const char *object_path);
Basic Alembic support All in all, this patch adds an Alembic importer, an Alembic exporter, and a new CacheFile data block which, for now, wraps around an Alembic archive. This data block is made available through a new modifier ("Mesh Sequence Cache") as well as a new constraint ("Transform Cache") to somewhat properly support respectively geometric and transformation data streaming from alembic caches. A more in-depth documentation is to be found on the wiki, as well as a guide to compile alembic: https://wiki.blender.org/index.php/ User:Kevindietrich/AlembicBasicIo. Many thanks to everyone involved in this little project, and huge shout out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the custom builds and compile fixes. Reviewers: sergey, campbellbarton, mont29 Reviewed By: sergey, campbellbarton, mont29 Differential Revision: https://developer.blender.org/D2060
2016-08-06 06:20:37 +02:00
#ifdef __cplusplus
}
#endif
#endif /* __ABC_ALEMBIC_H__ */
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