diff options
Diffstat (limited to 'source/blender/blenkernel/intern/cachefile.c')
| -rw-r--r-- | source/blender/blenkernel/intern/cachefile.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/cachefile.c b/source/blender/blenkernel/intern/cachefile.c new file mode 100644 index 00000000000..16f263791db --- /dev/null +++ b/source/blender/blenkernel/intern/cachefile.c @@ -0,0 +1,173 @@ +/* + * ***** 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. + * + * The Original Code is Copyright (C) 2016 Blender Foundation. + * All rights reserved. + * + * Contributor(s): Kevin Dietrich. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/blenkernel/intern/cachefile.c + * \ingroup bke + */ + +#include "DNA_anim_types.h" +#include "DNA_cachefile_types.h" +#include "DNA_scene_types.h" + +#include "BLI_fileops.h" +#include "BLI_listbase.h" +#include "BLI_path_util.h" +#include "BLI_string.h" +#include "BLI_utildefines.h" + +#include "BKE_animsys.h" +#include "BKE_cachefile.h" +#include "BKE_global.h" +#include "BKE_library.h" +#include "BKE_main.h" +#include "BKE_scene.h" + +#ifdef WITH_ALEMBIC +# include "ABC_alembic.h" +#endif + +void *BKE_cachefile_add(Main *bmain, const char *name) +{ + CacheFile *cache_file = BKE_libblock_alloc(bmain, ID_CF, name); + + BKE_cachefile_init(cache_file); + + return cache_file; +} + +void BKE_cachefile_init(CacheFile *cache_file) +{ + cache_file->handle = NULL; + cache_file->filepath[0] = '\0'; + cache_file->override_frame = false; + cache_file->frame = 0.0f; + cache_file->is_sequence = false; + cache_file->scale = 1.0f; +} + +/** Free (or release) any data used by this cachefile (does not free the cachefile itself). */ +void BKE_cachefile_free(CacheFile *cache_file) +{ + BKE_animdata_free((ID *)cache_file, false); + +#ifdef WITH_ALEMBIC + ABC_free_handle(cache_file->handle); +#endif + + BLI_freelistN(&cache_file->object_paths); +} + +CacheFile *BKE_cachefile_copy(Main *bmain, CacheFile *cache_file) +{ + CacheFile *new_cache_file = BKE_libblock_copy(bmain, &cache_file->id); + new_cache_file->handle = NULL; + + BLI_listbase_clear(&cache_file->object_paths); + + BKE_id_copy_ensure_local(bmain, &cache_file->id, &new_cache_file->id); + + return new_cache_file; +} + +void BKE_cachefile_make_local(Main *bmain, CacheFile *cache_file, const bool lib_local) +{ + BKE_id_make_local_generic(bmain, &cache_file->id, true, lib_local); +} + +void BKE_cachefile_reload(const Main *bmain, CacheFile *cache_file) +{ + char filepath[FILE_MAX]; + + BLI_strncpy(filepath, cache_file->filepath, sizeof(filepath)); + BLI_path_abs(filepath, ID_BLEND_PATH(bmain, &cache_file->id)); + +#ifdef WITH_ALEMBIC + if (cache_file->handle) { + ABC_free_handle(cache_file->handle); + } + + cache_file->handle = ABC_create_handle(filepath, &cache_file->object_paths); +#endif +} + +void BKE_cachefile_ensure_handle(const Main *bmain, CacheFile *cache_file) +{ + if (cache_file->handle == NULL) { + BKE_cachefile_reload(bmain, cache_file); + } +} + +void BKE_cachefile_update_frame(Main *bmain, Scene *scene, const float ctime, const float fps) +{ + CacheFile *cache_file; + char filename[FILE_MAX]; + + for (cache_file = bmain->cachefiles.first; cache_file; cache_file = cache_file->id.next) { + /* Execute drivers only, as animation has already been done. */ + BKE_animsys_evaluate_animdata(scene, &cache_file->id, cache_file->adt, ctime, ADT_RECALC_DRIVERS); + + if (!cache_file->is_sequence) { + continue; + } + + const float time = BKE_cachefile_time_offset(cache_file, ctime, fps); + + if (BKE_cachefile_filepath_get(bmain, cache_file, time, filename)) { +#ifdef WITH_ALEMBIC + ABC_free_handle(cache_file->handle); + cache_file->handle = ABC_create_handle(filename, NULL); +#endif + } + } +} + +bool BKE_cachefile_filepath_get( + const Main *bmain, const CacheFile *cache_file, float frame, + char r_filepath[FILE_MAX]) +{ + BLI_strncpy(r_filepath, cache_file->filepath, FILE_MAX); + BLI_path_abs(r_filepath, ID_BLEND_PATH(bmain, &cache_file->id)); + + int fframe; + int frame_len; + + if (cache_file->is_sequence && BLI_path_frame_get(r_filepath, &fframe, &frame_len)) { + char ext[32]; + BLI_path_frame_strip(r_filepath, true, ext); + BLI_path_frame(r_filepath, frame, frame_len); + BLI_ensure_extension(r_filepath, FILE_MAX, ext); + + /* TODO(kevin): store sequence range? */ + return BLI_exists(r_filepath); + } + + return true; +} + +float BKE_cachefile_time_offset(CacheFile *cache_file, const float time, const float fps) +{ + const float frame = (cache_file->override_frame ? cache_file->frame : time); + return cache_file->is_sequence ? frame : frame / fps; +} |