diff options
Diffstat (limited to 'source/blender/blenkernel/intern/geometry_set.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/geometry_set.cc | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/source/blender/blenkernel/intern/geometry_set.cc b/source/blender/blenkernel/intern/geometry_set.cc index e6ecb6e5821..74d8b9afd82 100644 --- a/source/blender/blenkernel/intern/geometry_set.cc +++ b/source/blender/blenkernel/intern/geometry_set.cc @@ -586,149 +586,6 @@ bool InstancesComponent::is_empty() const return transforms_.size() == 0; } -/** - * \note This doesn't extract instances from the "dupli" system for non-geometry-nodes instances. - */ -static GeometrySet object_get_geometry_set_for_read(const Object &object) -{ - /* Objects evaluated with a nodes modifier will have a geometry set already. */ - if (object.runtime.geometry_set_eval != nullptr) { - return *object.runtime.geometry_set_eval; - } - - /* Otherwise, construct a new geometry set with the component based on the object type. */ - GeometrySet new_geometry_set; - - if (object.type == OB_MESH) { - Mesh *mesh = BKE_modifier_get_evaluated_mesh_from_evaluated_object( - &const_cast<Object &>(object), false); - - if (mesh != nullptr) { - BKE_mesh_wrapper_ensure_mdata(mesh); - - MeshComponent &mesh_component = new_geometry_set.get_component_for_write<MeshComponent>(); - mesh_component.replace(mesh, GeometryOwnershipType::ReadOnly); - mesh_component.copy_vertex_group_names_from_object(object); - } - } - - /* TODO: Cover the case of point-clouds without modifiers-- they may not be covered by the - * #geometry_set_eval case above. */ - - /* TODO: Add volume support. */ - - /* Return by value since there is not always an existing geometry set owned elsewhere to use. */ - return new_geometry_set; -} - -/** \} */ - -/* -------------------------------------------------------------------- */ -/** \name Geometry Set Gather Recursive Instances - * \{ */ - -static void geometry_set_collect_recursive(const GeometrySet &geometry_set, - const float4x4 &transform, - Vector<GeometryInstanceGroup> &r_sets); - -static void geometry_set_collect_recursive_collection(const Collection &collection, - const float4x4 &transform, - Vector<GeometryInstanceGroup> &r_sets); - -static void geometry_set_collect_recursive_collection_instance( - const Collection &collection, const float4x4 &transform, Vector<GeometryInstanceGroup> &r_sets) -{ - float4x4 offset_matrix; - unit_m4(offset_matrix.values); - sub_v3_v3(offset_matrix.values[3], collection.instance_offset); - const float4x4 instance_transform = transform * offset_matrix; - geometry_set_collect_recursive_collection(collection, instance_transform, r_sets); -} - -static void geometry_set_collect_recursive_object(const Object &object, - const float4x4 &transform, - Vector<GeometryInstanceGroup> &r_sets) -{ - GeometrySet instance_geometry_set = object_get_geometry_set_for_read(object); - geometry_set_collect_recursive(instance_geometry_set, transform, r_sets); - - if (object.type == OB_EMPTY) { - const Collection *collection_instance = object.instance_collection; - if (collection_instance != nullptr) { - geometry_set_collect_recursive_collection_instance(*collection_instance, transform, r_sets); - } - } -} - -static void geometry_set_collect_recursive_collection(const Collection &collection, - const float4x4 &transform, - Vector<GeometryInstanceGroup> &r_sets) -{ - LISTBASE_FOREACH (const CollectionObject *, collection_object, &collection.gobject) { - BLI_assert(collection_object->ob != nullptr); - const Object &object = *collection_object->ob; - const float4x4 object_transform = transform * object.obmat; - geometry_set_collect_recursive_object(object, object_transform, r_sets); - } - LISTBASE_FOREACH (const CollectionChild *, collection_child, &collection.children) { - BLI_assert(collection_child->collection != nullptr); - const Collection &collection = *collection_child->collection; - geometry_set_collect_recursive_collection(collection, transform, r_sets); - } -} - -static void geometry_set_collect_recursive(const GeometrySet &geometry_set, - const float4x4 &transform, - Vector<GeometryInstanceGroup> &r_sets) -{ - r_sets.append({geometry_set, {transform}}); - - if (geometry_set.has_instances()) { - const InstancesComponent &instances_component = - *geometry_set.get_component_for_read<InstancesComponent>(); - - Span<float4x4> transforms = instances_component.transforms(); - Span<InstancedData> instances = instances_component.instanced_data(); - for (const int i : instances.index_range()) { - const InstancedData &data = instances[i]; - const float4x4 instance_transform = transform * transforms[i]; - - if (data.type == INSTANCE_DATA_TYPE_OBJECT) { - BLI_assert(data.data.object != nullptr); - const Object &object = *data.data.object; - geometry_set_collect_recursive_object(object, instance_transform, r_sets); - } - else if (data.type == INSTANCE_DATA_TYPE_COLLECTION) { - BLI_assert(data.data.collection != nullptr); - const Collection &collection = *data.data.collection; - geometry_set_collect_recursive_collection_instance(collection, instance_transform, r_sets); - } - } - } -} - -/** - * Return flattened vector of the geometry component's recursive instances. I.e. all collection - * instances and object instances will be expanded into the instances of their geometry components. - * Even the instances in those geometry components' will be included. - * - * \note For convenience (to avoid duplication in the caller), the returned vector also contains - * the argument geometry set. - * - * \note This doesn't extract instances from the "dupli" system for non-geometry-nodes instances. - */ -Vector<GeometryInstanceGroup> BKE_geometry_set_gather_instances(const GeometrySet &geometry_set) -{ - Vector<GeometryInstanceGroup> result_vector; - - float4x4 unit_transform; - unit_m4(unit_transform.values); - - geometry_set_collect_recursive(geometry_set, unit_transform, result_vector); - - return result_vector; -} - static blender::Array<int> generate_unique_instance_ids(Span<int> original_ids) { using namespace blender; |