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Diffstat (limited to 'source/blender/blenkernel/intern/pointcloud.c')
-rw-r--r-- | source/blender/blenkernel/intern/pointcloud.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/pointcloud.c b/source/blender/blenkernel/intern/pointcloud.c new file mode 100644 index 00000000000..cc68e93a116 --- /dev/null +++ b/source/blender/blenkernel/intern/pointcloud.c @@ -0,0 +1,257 @@ +/* + * ***** 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. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/blenkernel/intern/pointcloud.c + * \ingroup bke + */ + +#include "MEM_guardedalloc.h" + +#include "DNA_defaults.h" +#include "DNA_object_types.h" +#include "DNA_pointcloud_types.h" + +#include "BLI_listbase.h" +#include "BLI_math.h" +#include "BLI_rand.h" +#include "BLI_string.h" +#include "BLI_utildefines.h" + +#include "BKE_animsys.h" +#include "BKE_customdata.h" +#include "BKE_idtype.h" +#include "BKE_global.h" +#include "BKE_lib_id.h" +#include "BKE_lib_query.h" +#include "BKE_lib_remap.h" +#include "BKE_main.h" +#include "BKE_modifier.h" +#include "BKE_object.h" +#include "BKE_pointcloud.h" + +#include "BLT_translation.h" + +#include "DEG_depsgraph_query.h" + +/* PointCloud datablock */ + +static void pointcloud_random(PointCloud *pointcloud) +{ + pointcloud->totpoint = 400; + CustomData_realloc(&pointcloud->pdata, pointcloud->totpoint); + BKE_pointcloud_update_customdata_pointers(pointcloud); + + RNG *rng = BLI_rng_new(0); + + for (int i = 0; i < pointcloud->totpoint; i++) { + pointcloud->co[i][0] = 2.0f * BLI_rng_get_float(rng) - 1.0f; + pointcloud->co[i][1] = 2.0f * BLI_rng_get_float(rng) - 1.0f; + pointcloud->co[i][2] = 2.0f * BLI_rng_get_float(rng) - 1.0f; + pointcloud->radius[i] = 0.05f * BLI_rng_get_float(rng); + } + + BLI_rng_free(rng); +} + +static void pointcloud_init_data(ID *id) +{ + PointCloud *pointcloud = (PointCloud *)id; + BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(pointcloud, id)); + + MEMCPY_STRUCT_AFTER(pointcloud, DNA_struct_default_get(PointCloud), id); + + CustomData_reset(&pointcloud->pdata); + CustomData_add_layer(&pointcloud->pdata, CD_LOCATION, CD_CALLOC, NULL, pointcloud->totpoint); + CustomData_add_layer(&pointcloud->pdata, CD_RADIUS, CD_CALLOC, NULL, pointcloud->totpoint); + BKE_pointcloud_update_customdata_pointers(pointcloud); + + pointcloud_random(pointcloud); +} + +void *BKE_pointcloud_add(Main *bmain, const char *name) +{ + PointCloud *pointcloud = BKE_libblock_alloc(bmain, ID_PT, name, 0); + + pointcloud_init_data(&pointcloud->id); + + return pointcloud; +} + +static void pointcloud_copy_data(Main *UNUSED(bmain), ID *id_dst, const ID *id_src, const int flag) +{ + PointCloud *pointcloud_dst = (PointCloud *)id_dst; + const PointCloud *pointcloud_src = (const PointCloud *)id_src; + pointcloud_dst->mat = MEM_dupallocN(pointcloud_dst->mat); + + const eCDAllocType alloc_type = (flag & LIB_ID_COPY_CD_REFERENCE) ? CD_REFERENCE : CD_DUPLICATE; + CustomData_copy(&pointcloud_src->pdata, + &pointcloud_dst->pdata, + CD_MASK_ALL, + alloc_type, + pointcloud_dst->totpoint); + BKE_pointcloud_update_customdata_pointers(pointcloud_dst); +} + +PointCloud *BKE_pointcloud_copy(Main *bmain, const PointCloud *pointcloud) +{ + PointCloud *pointcloud_copy; + BKE_id_copy(bmain, &pointcloud->id, (ID **)&pointcloud_copy); + return pointcloud_copy; +} + +static void pointcloud_make_local(Main *bmain, ID *id, const int flags) +{ + BKE_lib_id_make_local_generic(bmain, id, flags); +} + +static void pointcloud_free_data(ID *id) +{ + PointCloud *pointcloud = (PointCloud *)id; + BKE_animdata_free(&pointcloud->id, false); + BKE_pointcloud_batch_cache_free(pointcloud); + CustomData_free(&pointcloud->pdata, pointcloud->totpoint); + MEM_SAFE_FREE(pointcloud->mat); +} + +IDTypeInfo IDType_ID_PT = { + .id_code = ID_PT, + .id_filter = FILTER_ID_PT, + .main_listbase_index = INDEX_ID_PT, + .struct_size = sizeof(PointCloud), + .name = "PointCloud", + .name_plural = "pointclouds", + .translation_context = BLT_I18NCONTEXT_ID_POINTCLOUD, + .flags = 0, + + .init_data = pointcloud_init_data, + .copy_data = pointcloud_copy_data, + .free_data = pointcloud_free_data, + .make_local = pointcloud_make_local, +}; + +BoundBox *BKE_pointcloud_boundbox_get(Object *ob) +{ + BLI_assert(ob->type == OB_POINTCLOUD); + PointCloud *pointcloud = ob->data; + + if (ob->runtime.bb != NULL && (ob->runtime.bb->flag & BOUNDBOX_DIRTY) == 0) { + return ob->runtime.bb; + } + + if (ob->runtime.bb == NULL) { + ob->runtime.bb = MEM_callocN(sizeof(BoundBox), "pointcloud boundbox"); + + float min[3], max[3]; + INIT_MINMAX(min, max); + + float(*pointcloud_co)[3] = pointcloud->co; + float *pointcloud_radius = pointcloud->radius; + for (int a = 0; a < pointcloud->totpoint; a++) { + float *co = pointcloud_co[a]; + float radius = (pointcloud_radius) ? pointcloud_radius[a] : 0.0f; + float co_min[3] = {co[0] - radius, co[1] - radius, co[2] - radius}; + float co_max[3] = {co[0] + radius, co[1] + radius, co[2] + radius}; + DO_MIN(co_min, min); + DO_MAX(co_max, max); + } + + BKE_boundbox_init_from_minmax(ob->runtime.bb, min, max); + } + + return ob->runtime.bb; +} + +void BKE_pointcloud_update_customdata_pointers(PointCloud *pointcloud) +{ + pointcloud->co = CustomData_get_layer(&pointcloud->pdata, CD_LOCATION); + pointcloud->radius = CustomData_get_layer(&pointcloud->pdata, CD_RADIUS); +} + +/* Dependency Graph */ + +PointCloud *BKE_pointcloud_new_for_eval(const PointCloud *pointcloud_src, int totpoint) +{ + PointCloud *pointcloud_dst = BKE_id_new_nomain(ID_HA, NULL); + + STRNCPY(pointcloud_dst->id.name, pointcloud_src->id.name); + pointcloud_dst->mat = MEM_dupallocN(pointcloud_src->mat); + pointcloud_dst->totcol = pointcloud_src->totcol; + + pointcloud_dst->totpoint = totpoint; + CustomData_copy( + &pointcloud_src->pdata, &pointcloud_dst->pdata, CD_MASK_ALL, CD_CALLOC, totpoint); + BKE_pointcloud_update_customdata_pointers(pointcloud_dst); + + return pointcloud_dst; +} + +PointCloud *BKE_pointcloud_copy_for_eval(struct PointCloud *pointcloud_src, bool reference) +{ + int flags = LIB_ID_COPY_LOCALIZE; + + if (reference) { + flags |= LIB_ID_COPY_CD_REFERENCE; + } + + PointCloud *result; + BKE_id_copy_ex(NULL, &pointcloud_src->id, (ID **)&result, flags); + return result; +} + +static PointCloud *pointcloud_evaluate_modifiers(struct Depsgraph *UNUSED(depsgraph), + struct Scene *UNUSED(scene), + Object *UNUSED(object), + PointCloud *pointcloud_input) +{ + return pointcloud_input; +} + +void BKE_pointcloud_data_update(struct Depsgraph *depsgraph, struct Scene *scene, Object *object) +{ + /* Free any evaluated data and restore original data. */ + BKE_object_free_derived_caches(object); + + /* Evaluate modifiers. */ + PointCloud *pointcloud = object->data; + PointCloud *pointcloud_eval = pointcloud_evaluate_modifiers( + depsgraph, scene, object, pointcloud); + + /* Assign evaluated object. */ + const bool is_owned = (pointcloud != pointcloud_eval); + BKE_object_eval_assign_data(object, &pointcloud_eval->id, is_owned); +} + +/* Draw Cache */ +void (*BKE_pointcloud_batch_cache_dirty_tag_cb)(PointCloud *pointcloud, int mode) = NULL; +void (*BKE_pointcloud_batch_cache_free_cb)(PointCloud *pointcloud) = NULL; + +void BKE_pointcloud_batch_cache_dirty_tag(PointCloud *pointcloud, int mode) +{ + if (pointcloud->batch_cache) { + BKE_pointcloud_batch_cache_dirty_tag_cb(pointcloud, mode); + } +} + +void BKE_pointcloud_batch_cache_free(PointCloud *pointcloud) +{ + if (pointcloud->batch_cache) { + BKE_pointcloud_batch_cache_free_cb(pointcloud); + } +} |