diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/node_geo_attribute_capture.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_attribute_capture.cc | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_attribute_capture.cc b/source/blender/nodes/geometry/nodes/node_geo_attribute_capture.cc new file mode 100644 index 00000000000..1fa71d3f57d --- /dev/null +++ b/source/blender/nodes/geometry/nodes/node_geo_attribute_capture.cc @@ -0,0 +1,210 @@ +/* + * 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. + */ + +#include "UI_interface.h" +#include "UI_resources.h" + +#include "BKE_attribute_math.hh" + +#include "node_geometry_util.hh" + +namespace blender::nodes { + +static void geo_node_attribute_capture_declare(NodeDeclarationBuilder &b) +{ + b.add_input<decl::Geometry>("Geometry"); + b.add_input<decl::Vector>("Value"); + b.add_input<decl::Float>("Value", "Value_001"); + b.add_input<decl::Color>("Value", "Value_002"); + b.add_input<decl::Bool>("Value", "Value_003"); + b.add_input<decl::Int>("Value", "Value_004"); + + b.add_output<decl::Geometry>("Geometry"); + b.add_output<decl::Vector>("Attribute"); + b.add_output<decl::Float>("Attribute", "Attribute_001"); + b.add_output<decl::Color>("Attribute", "Attribute_002"); + b.add_output<decl::Bool>("Attribute", "Attribute_003"); + b.add_output<decl::Int>("Attribute", "Attribute_004"); +} + +static void geo_node_attribute_capture_layout(uiLayout *layout, + bContext *UNUSED(C), + PointerRNA *ptr) +{ + uiLayoutSetPropSep(layout, true); + uiLayoutSetPropDecorate(layout, false); + uiItemR(layout, ptr, "domain", 0, "", ICON_NONE); + uiItemR(layout, ptr, "data_type", 0, "", ICON_NONE); +} + +static void geo_node_attribute_capture_init(bNodeTree *UNUSED(tree), bNode *node) +{ + NodeGeometryAttributeCapture *data = (NodeGeometryAttributeCapture *)MEM_callocN( + sizeof(NodeGeometryAttributeCapture), __func__); + data->data_type = CD_PROP_FLOAT; + data->domain = ATTR_DOMAIN_POINT; + + node->storage = data; +} + +static void geo_node_attribute_capture_update(bNodeTree *UNUSED(ntree), bNode *node) +{ + const NodeGeometryAttributeCapture &storage = *(const NodeGeometryAttributeCapture *) + node->storage; + const CustomDataType data_type = static_cast<CustomDataType>(storage.data_type); + + bNodeSocket *socket_value_attribute_name = (bNodeSocket *)node->inputs.first; + bNodeSocket *socket_value_vector = socket_value_attribute_name->next; + bNodeSocket *socket_value_float = socket_value_vector->next; + bNodeSocket *socket_value_color4f = socket_value_float->next; + bNodeSocket *socket_value_boolean = socket_value_color4f->next; + bNodeSocket *socket_value_int32 = socket_value_boolean->next; + + nodeSetSocketAvailability(socket_value_vector, data_type == CD_PROP_FLOAT3); + nodeSetSocketAvailability(socket_value_float, data_type == CD_PROP_FLOAT); + nodeSetSocketAvailability(socket_value_color4f, data_type == CD_PROP_COLOR); + nodeSetSocketAvailability(socket_value_boolean, data_type == CD_PROP_BOOL); + nodeSetSocketAvailability(socket_value_int32, data_type == CD_PROP_INT32); + + bNodeSocket *out_socket_value_attribute_name = (bNodeSocket *)node->outputs.first; + bNodeSocket *out_socket_value_vector = out_socket_value_attribute_name->next; + bNodeSocket *out_socket_value_float = out_socket_value_vector->next; + bNodeSocket *out_socket_value_color4f = out_socket_value_float->next; + bNodeSocket *out_socket_value_boolean = out_socket_value_color4f->next; + bNodeSocket *out_socket_value_int32 = out_socket_value_boolean->next; + + nodeSetSocketAvailability(out_socket_value_vector, data_type == CD_PROP_FLOAT3); + nodeSetSocketAvailability(out_socket_value_float, data_type == CD_PROP_FLOAT); + nodeSetSocketAvailability(out_socket_value_color4f, data_type == CD_PROP_COLOR); + nodeSetSocketAvailability(out_socket_value_boolean, data_type == CD_PROP_BOOL); + nodeSetSocketAvailability(out_socket_value_int32, data_type == CD_PROP_INT32); +} + +static void try_capture_field_on_geometry(GeometryComponent &component, + const AttributeIDRef &attribute_id, + const AttributeDomain domain, + const GField &field) +{ + GeometryComponentFieldContext field_context{component, domain}; + const int domain_size = component.attribute_domain_size(domain); + const IndexMask mask{IndexMask(domain_size)}; + + const CustomDataType data_type = bke::cpp_type_to_custom_data_type(field.cpp_type()); + OutputAttribute output_attribute = component.attribute_try_get_for_output_only( + attribute_id, domain, data_type); + + fn::FieldEvaluator evaluator{field_context, &mask}; + evaluator.add_with_destination(field, output_attribute.varray()); + evaluator.evaluate(); + + output_attribute.save(); +} + +static void geo_node_attribute_capture_exec(GeoNodeExecParams params) +{ + GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry"); + + geometry_set = bke::geometry_set_realize_instances(geometry_set); + + const bNode &node = params.node(); + const NodeGeometryAttributeCapture &storage = *(const NodeGeometryAttributeCapture *) + node.storage; + const CustomDataType data_type = static_cast<CustomDataType>(storage.data_type); + const AttributeDomain domain = static_cast<AttributeDomain>(storage.domain); + + GField field; + switch (data_type) { + case CD_PROP_FLOAT: + field = params.get_input<Field<float>>("Value_001"); + break; + case CD_PROP_FLOAT3: + field = params.get_input<Field<float3>>("Value"); + break; + case CD_PROP_COLOR: + field = params.get_input<Field<ColorGeometry4f>>("Value_002"); + break; + case CD_PROP_BOOL: + field = params.get_input<Field<bool>>("Value_003"); + break; + case CD_PROP_INT32: + field = params.get_input<Field<int>>("Value_004"); + break; + default: + break; + } + + WeakAnonymousAttributeID anonymous_id{"Attribute Capture"}; + const CPPType &type = field.cpp_type(); + + static const Array<GeometryComponentType> types = { + GEO_COMPONENT_TYPE_MESH, GEO_COMPONENT_TYPE_POINT_CLOUD, GEO_COMPONENT_TYPE_CURVE}; + for (const GeometryComponentType type : types) { + if (geometry_set.has(type)) { + GeometryComponent &component = geometry_set.get_component_for_write(type); + try_capture_field_on_geometry(component, anonymous_id.get(), domain, field); + } + } + + GField output_field{ + std::make_shared<bke::AnonymousAttributeFieldInput>(std::move(anonymous_id), type)}; + + switch (data_type) { + case CD_PROP_FLOAT: { + params.set_output("Attribute_001", Field<float>(output_field)); + break; + } + case CD_PROP_FLOAT3: { + params.set_output("Attribute", Field<float3>(output_field)); + break; + } + case CD_PROP_COLOR: { + params.set_output("Attribute_002", Field<ColorGeometry4f>(output_field)); + break; + } + case CD_PROP_BOOL: { + params.set_output("Attribute_003", Field<bool>(output_field)); + break; + } + case CD_PROP_INT32: { + params.set_output("Attribute_004", Field<int>(output_field)); + break; + } + default: + break; + } + + params.set_output("Geometry", geometry_set); +} + +} // namespace blender::nodes + +void register_node_type_geo_attribute_capture() +{ + static bNodeType ntype; + + geo_node_type_base( + &ntype, GEO_NODE_ATTRIBUTE_CAPTURE, "Attribute Capture", NODE_CLASS_ATTRIBUTE, 0); + node_type_storage(&ntype, + "NodeGeometryAttributeCapture", + node_free_standard_storage, + node_copy_standard_storage); + node_type_init(&ntype, blender::nodes::geo_node_attribute_capture_init); + node_type_update(&ntype, blender::nodes::geo_node_attribute_capture_update); + ntype.declare = blender::nodes::geo_node_attribute_capture_declare; + ntype.geometry_node_execute = blender::nodes::geo_node_attribute_capture_exec; + ntype.draw_buttons = blender::nodes::geo_node_attribute_capture_layout; + nodeRegisterType(&ntype); +} |