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author | Colin Basnett <cmbasnett@gmail.com> | 2022-09-17 03:50:37 +0300 |
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committer | Colin Basnett <cmbasnett@gmail.com> | 2022-09-17 03:50:37 +0300 |
commit | 564bda241a973396da51d7c3ccd9efd97d51728a (patch) | |
tree | 4d9aa4cccd82e2e606b47774afa5e1015bf14768 /source/blender/blenkernel/intern/geometry_fields.cc | |
parent | 0fff238150d076576053c25b646f653d6e3b0edb (diff) | |
parent | 48d7ff68f0df209c77bbb081ab46fbc109fd825a (diff) |
Merge branch 'master' into feature-imformatfeature-imformat
Diffstat (limited to 'source/blender/blenkernel/intern/geometry_fields.cc')
-rw-r--r-- | source/blender/blenkernel/intern/geometry_fields.cc | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/geometry_fields.cc b/source/blender/blenkernel/intern/geometry_fields.cc new file mode 100644 index 00000000000..56e9e9dcdff --- /dev/null +++ b/source/blender/blenkernel/intern/geometry_fields.cc @@ -0,0 +1,365 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include "BKE_attribute.hh" +#include "BKE_curves.hh" +#include "BKE_geometry_fields.hh" +#include "BKE_geometry_set.hh" +#include "BKE_mesh.h" +#include "BKE_pointcloud.h" +#include "BKE_type_conversions.hh" + +#include "DNA_mesh_types.h" +#include "DNA_pointcloud_types.h" + +#include "BLT_translation.h" + +namespace blender::bke { + +MeshFieldContext::MeshFieldContext(const Mesh &mesh, const eAttrDomain domain) + : mesh_(mesh), domain_(domain) +{ + BLI_assert(mesh.attributes().domain_supported(domain_)); +} + +CurvesFieldContext::CurvesFieldContext(const CurvesGeometry &curves, const eAttrDomain domain) + : curves_(curves), domain_(domain) +{ + BLI_assert(curves.attributes().domain_supported(domain)); +} + +GeometryFieldContext::GeometryFieldContext(const void *geometry, + const GeometryComponentType type, + const eAttrDomain domain) + : geometry_(geometry), type_(type), domain_(domain) +{ + BLI_assert(ELEM(type, + GEO_COMPONENT_TYPE_MESH, + GEO_COMPONENT_TYPE_CURVE, + GEO_COMPONENT_TYPE_POINT_CLOUD, + GEO_COMPONENT_TYPE_INSTANCES)); +} + +GeometryFieldContext::GeometryFieldContext(const GeometryComponent &component, + const eAttrDomain domain) + : type_(component.type()), domain_(domain) +{ + switch (component.type()) { + case GEO_COMPONENT_TYPE_MESH: { + const MeshComponent &mesh_component = static_cast<const MeshComponent &>(component); + geometry_ = mesh_component.get_for_read(); + break; + } + case GEO_COMPONENT_TYPE_CURVE: { + const CurveComponent &curve_component = static_cast<const CurveComponent &>(component); + const Curves *curves = curve_component.get_for_read(); + geometry_ = curves ? &CurvesGeometry::wrap(curves->geometry) : nullptr; + break; + } + case GEO_COMPONENT_TYPE_POINT_CLOUD: { + const PointCloudComponent &pointcloud_component = static_cast<const PointCloudComponent &>( + component); + geometry_ = pointcloud_component.get_for_read(); + break; + } + case GEO_COMPONENT_TYPE_INSTANCES: { + const InstancesComponent &instances_component = static_cast<const InstancesComponent &>( + component); + geometry_ = &instances_component; + break; + } + case GEO_COMPONENT_TYPE_VOLUME: + case GEO_COMPONENT_TYPE_EDIT: + BLI_assert_unreachable(); + break; + } +} + +GeometryFieldContext::GeometryFieldContext(const Mesh &mesh, eAttrDomain domain) + : geometry_(&mesh), type_(GEO_COMPONENT_TYPE_MESH), domain_(domain) +{ +} +GeometryFieldContext::GeometryFieldContext(const CurvesGeometry &curves, eAttrDomain domain) + : geometry_(&curves), type_(GEO_COMPONENT_TYPE_CURVE), domain_(domain) +{ +} +GeometryFieldContext::GeometryFieldContext(const PointCloud &points) + : geometry_(&points), type_(GEO_COMPONENT_TYPE_POINT_CLOUD), domain_(ATTR_DOMAIN_POINT) +{ +} +GeometryFieldContext::GeometryFieldContext(const InstancesComponent &instances) + : geometry_(&instances), type_(GEO_COMPONENT_TYPE_INSTANCES), domain_(ATTR_DOMAIN_INSTANCE) +{ +} + +std::optional<AttributeAccessor> GeometryFieldContext::attributes() const +{ + if (const Mesh *mesh = this->mesh()) { + return mesh->attributes(); + } + if (const CurvesGeometry *curves = this->curves()) { + return curves->attributes(); + } + if (const PointCloud *pointcloud = this->pointcloud()) { + return pointcloud->attributes(); + } + if (const InstancesComponent *instances = this->instances()) { + return instances->attributes(); + } + return {}; +} + +const Mesh *GeometryFieldContext::mesh() const +{ + return this->type() == GEO_COMPONENT_TYPE_MESH ? static_cast<const Mesh *>(geometry_) : nullptr; +} +const CurvesGeometry *GeometryFieldContext::curves() const +{ + return this->type() == GEO_COMPONENT_TYPE_CURVE ? + static_cast<const CurvesGeometry *>(geometry_) : + nullptr; +} +const PointCloud *GeometryFieldContext::pointcloud() const +{ + return this->type() == GEO_COMPONENT_TYPE_POINT_CLOUD ? + static_cast<const PointCloud *>(geometry_) : + nullptr; +} +const InstancesComponent *GeometryFieldContext::instances() const +{ + return this->type() == GEO_COMPONENT_TYPE_INSTANCES ? + static_cast<const InstancesComponent *>(geometry_) : + nullptr; +} + +GVArray GeometryFieldInput::get_varray_for_context(const fn::FieldContext &context, + const IndexMask mask, + ResourceScope & /*scope*/) const +{ + if (const GeometryFieldContext *geometry_context = dynamic_cast<const GeometryFieldContext *>( + &context)) { + return this->get_varray_for_context(*geometry_context, mask); + } + if (const MeshFieldContext *mesh_context = dynamic_cast<const MeshFieldContext *>(&context)) { + return this->get_varray_for_context({mesh_context->mesh(), mesh_context->domain()}, mask); + } + if (const CurvesFieldContext *curve_context = dynamic_cast<const CurvesFieldContext *>( + &context)) { + return this->get_varray_for_context({curve_context->curves(), curve_context->domain()}, mask); + } + if (const PointCloudFieldContext *point_context = dynamic_cast<const PointCloudFieldContext *>( + &context)) { + return this->get_varray_for_context({point_context->pointcloud()}, mask); + } + if (const InstancesFieldContext *instances_context = dynamic_cast<const InstancesFieldContext *>( + &context)) { + return this->get_varray_for_context({instances_context->instances()}, mask); + } + return {}; +} + +GVArray MeshFieldInput::get_varray_for_context(const fn::FieldContext &context, + const IndexMask mask, + ResourceScope & /*scope*/) const +{ + if (const GeometryFieldContext *geometry_context = dynamic_cast<const GeometryFieldContext *>( + &context)) { + if (const Mesh *mesh = geometry_context->mesh()) { + return this->get_varray_for_context(*mesh, geometry_context->domain(), mask); + } + } + if (const MeshFieldContext *mesh_context = dynamic_cast<const MeshFieldContext *>(&context)) { + return this->get_varray_for_context(mesh_context->mesh(), mesh_context->domain(), mask); + } + return {}; +} + +GVArray CurvesFieldInput::get_varray_for_context(const fn::FieldContext &context, + IndexMask mask, + ResourceScope & /*scope*/) const +{ + if (const GeometryFieldContext *geometry_context = dynamic_cast<const GeometryFieldContext *>( + &context)) { + if (const CurvesGeometry *curves = geometry_context->curves()) { + return this->get_varray_for_context(*curves, geometry_context->domain(), mask); + } + } + if (const CurvesFieldContext *curves_context = dynamic_cast<const CurvesFieldContext *>( + &context)) { + return this->get_varray_for_context(curves_context->curves(), curves_context->domain(), mask); + } + return {}; +} + +GVArray PointCloudFieldInput::get_varray_for_context(const fn::FieldContext &context, + IndexMask mask, + ResourceScope & /*scope*/) const +{ + if (const GeometryFieldContext *geometry_context = dynamic_cast<const GeometryFieldContext *>( + &context)) { + if (const PointCloud *pointcloud = geometry_context->pointcloud()) { + return this->get_varray_for_context(*pointcloud, mask); + } + } + if (const PointCloudFieldContext *point_context = dynamic_cast<const PointCloudFieldContext *>( + &context)) { + return this->get_varray_for_context(point_context->pointcloud(), mask); + } + return {}; +} + +GVArray InstancesFieldInput::get_varray_for_context(const fn::FieldContext &context, + IndexMask mask, + ResourceScope & /*scope*/) const +{ + if (const GeometryFieldContext *geometry_context = dynamic_cast<const GeometryFieldContext *>( + &context)) { + if (const InstancesComponent *instances = geometry_context->instances()) { + return this->get_varray_for_context(*instances, mask); + } + } + if (const InstancesFieldContext *instances_context = dynamic_cast<const InstancesFieldContext *>( + &context)) { + return this->get_varray_for_context(instances_context->instances(), mask); + } + return {}; +} + +GVArray AttributeFieldInput::get_varray_for_context(const GeometryFieldContext &context, + IndexMask UNUSED(mask)) const +{ + const eCustomDataType data_type = cpp_type_to_custom_data_type(*type_); + if (auto attributes = context.attributes()) { + return attributes->lookup(name_, context.domain(), data_type); + } + return {}; +} + +std::string AttributeFieldInput::socket_inspection_name() const +{ + std::stringstream ss; + ss << '"' << name_ << '"' << TIP_(" attribute from geometry"); + return ss.str(); +} + +uint64_t AttributeFieldInput::hash() const +{ + return get_default_hash_2(name_, type_); +} + +bool AttributeFieldInput::is_equal_to(const fn::FieldNode &other) const +{ + if (const AttributeFieldInput *other_typed = dynamic_cast<const AttributeFieldInput *>(&other)) { + return name_ == other_typed->name_ && type_ == other_typed->type_; + } + return false; +} + +static StringRef get_random_id_attribute_name(const eAttrDomain domain) +{ + switch (domain) { + case ATTR_DOMAIN_POINT: + case ATTR_DOMAIN_INSTANCE: + return "id"; + default: + return ""; + } +} + +GVArray IDAttributeFieldInput::get_varray_for_context(const GeometryFieldContext &context, + const IndexMask mask) const +{ + + const StringRef name = get_random_id_attribute_name(context.domain()); + if (auto attributes = context.attributes()) { + if (GVArray attribute = attributes->lookup(name, context.domain(), CD_PROP_INT32)) { + return attribute; + } + } + + /* Use the index as the fallback if no random ID attribute exists. */ + return fn::IndexFieldInput::get_index_varray(mask); +} + +std::string IDAttributeFieldInput::socket_inspection_name() const +{ + return TIP_("ID / Index"); +} + +uint64_t IDAttributeFieldInput::hash() const +{ + /* All random ID attribute inputs are the same within the same evaluation context. */ + return 92386459827; +} + +bool IDAttributeFieldInput::is_equal_to(const fn::FieldNode &other) const +{ + /* All random ID attribute inputs are the same within the same evaluation context. */ + return dynamic_cast<const IDAttributeFieldInput *>(&other) != nullptr; +} + +GVArray AnonymousAttributeFieldInput::get_varray_for_context(const GeometryFieldContext &context, + const IndexMask /*mask*/) const +{ + const eCustomDataType data_type = cpp_type_to_custom_data_type(*type_); + return context.attributes()->lookup(anonymous_id_.get(), context.domain(), data_type); +} + +std::string AnonymousAttributeFieldInput::socket_inspection_name() const +{ + std::stringstream ss; + ss << '"' << debug_name_ << '"' << TIP_(" from ") << producer_name_; + return ss.str(); +} + +uint64_t AnonymousAttributeFieldInput::hash() const +{ + return get_default_hash_2(anonymous_id_.get(), type_); +} + +bool AnonymousAttributeFieldInput::is_equal_to(const fn::FieldNode &other) const +{ + if (const AnonymousAttributeFieldInput *other_typed = + dynamic_cast<const AnonymousAttributeFieldInput *>(&other)) { + return anonymous_id_.get() == other_typed->anonymous_id_.get() && type_ == other_typed->type_; + } + return false; +} + +} // namespace blender::bke + +/* -------------------------------------------------------------------- */ +/** \name Mesh and Curve Normals Field Input + * \{ */ + +namespace blender::bke { + +GVArray NormalFieldInput::get_varray_for_context(const GeometryFieldContext &context, + const IndexMask mask) const +{ + if (const Mesh *mesh = context.mesh()) { + return mesh_normals_varray(*mesh, mask, context.domain()); + } + if (const CurvesGeometry *curves = context.curves()) { + return curve_normals_varray(*curves, context.domain()); + } + return {}; +} + +std::string NormalFieldInput::socket_inspection_name() const +{ + return TIP_("Normal"); +} + +uint64_t NormalFieldInput::hash() const +{ + return 213980475983; +} + +bool NormalFieldInput::is_equal_to(const fn::FieldNode &other) const +{ + return dynamic_cast<const NormalFieldInput *>(&other) != nullptr; +} + +} // namespace blender::bke + +/** \} */ |