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Iterator to loop over objects based on a flag

This commit is contained in:
Dalai Felinto 2022-03-30 11:06:01 +02:00
parent 0f94c99ee7
commit 218bcff32d
3 changed files with 71 additions and 4 deletions
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14
source/blender/blenkernel/BKE_collection.h
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@ -346,6 +346,20 @@ void BKE_scene_objects_iterator_begin(struct BLI_Iterator *iter, void *data_in);
void BKE_scene_objects_iterator_next(struct BLI_Iterator *iter);
void BKE_scene_objects_iterator_end(struct BLI_Iterator *iter);
/** Iterate over objects in the scene based on a flag.
*
* \note The object->flag is tested against flag.
* */
typedef struct SceneObjectsIteratorExData {
struct Scene *scene;
int flag;
void *iter_data;
} SceneObjectsIteratorExData;
void BKE_scene_objects_iterator_begin_ex(struct BLI_Iterator *iter, void *data_in);
void BKE_scene_objects_iterator_next_ex(struct BLI_Iterator *iter);
void BKE_scene_objects_iterator_end_ex(struct BLI_Iterator *iter);
/**
* Generate a new #GSet (or extend given `objects_gset` if not NULL) with all objects referenced by
* all collections of given `scene`.

19
source/blender/blenkernel/BKE_layer.h
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@ -436,15 +436,26 @@ void BKE_view_layer_visible_bases_iterator_end(BLI_Iterator *iter);
IteratorBeginCb func_begin; \
IteratorCb func_next, func_end; \
void *data_in; \
struct ObjectsVisibleIteratorData data_ = {NULL}; \
data_.view_layer = _view_layer; \
data_.v3d = _v3d; \
\
struct ObjectsVisibleIteratorData data_select_ = {NULL}; \
data_select_.view_layer = _view_layer; \
data_select_.v3d = _v3d; \
\
struct SceneObjectsIteratorExData data_flag_ = {NULL}; \
data_flag_.scene = scene; \
data_flag_.flag = flag; \
\
if (flag == SELECT) { \
func_begin = &BKE_view_layer_selected_objects_iterator_begin; \
func_next = &BKE_view_layer_selected_objects_iterator_next; \
func_end = &BKE_view_layer_selected_objects_iterator_end; \
data_in = &data_; \
data_in = &data_select_; \
} \
else if (flag != 0) { \
func_begin = BKE_scene_objects_iterator_begin_ex; \
func_next = BKE_scene_objects_iterator_next_ex; \
func_end = BKE_scene_objects_iterator_end_ex; \
data_in = &data_flag_; \
} \
else { \
func_begin = BKE_scene_objects_iterator_begin; \

42
source/blender/blenkernel/intern/collection.c
View File

@ -1929,6 +1929,48 @@ void BKE_scene_objects_iterator_begin(BLI_Iterator *iter, void *data_in)
scene_objects_iterator_begin(iter, scene, NULL);
}
void BKE_scene_objects_iterator_begin_ex(BLI_Iterator *iter, void *data_in)
{
SceneObjectsIteratorExData *data = data_in;
BKE_scene_objects_iterator_begin(iter, data->scene);
/* Pack the data. */
data->iter_data = iter->data;
iter->data = data_in;
}
void BKE_scene_objects_iterator_next_ex(struct BLI_Iterator *iter)
{
/* Unpack the data. */
SceneObjectsIteratorExData *data = iter->data;
iter->data = data->iter_data;
BKE_scene_objects_iterator_next(iter);
Object *ob = iter->current;
if (ob && (ob->flag & data->flag) == 0) {
iter->skip = true;
}
/* Pack the data. */
data->iter_data = iter->data;
iter->data = data;
}
void BKE_scene_objects_iterator_end_ex(struct BLI_Iterator *iter)
{
/* Unpack the data. */
SceneObjectsIteratorExData *data = iter->data;
iter->data = data->iter_data;
BKE_scene_objects_iterator_end(iter);
/* Pack the data. */
data->iter_data = iter->data;
iter->data = data;
}
/**
* Ensures we only get each object once, even when included in several collections.
*/