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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_set_point_radius_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Points")).supported_type(GEO_COMPONENT_TYPE_POINT_CLOUD);
b.add_input<decl::Bool>(N_("Selection")).default_value(true).hide_value().supports_field();
b.add_input<decl::Float>(N_("Radius"))
.default_value(0.05f)
.min(0.0f)
.supports_field()
.subtype(PROP_DISTANCE);
b.add_output<decl::Geometry>(N_("Points"));
}
static void set_radius_in_component(GeometryComponent &component,
const Field<bool> &selection_field,
const Field<float> &radius_field)
{
GeometryComponentFieldContext field_context{component, ATTR_DOMAIN_POINT};
const int domain_num = component.attribute_domain_num(ATTR_DOMAIN_POINT);
if (domain_num == 0) {
return;
}
OutputAttribute_Typed<float> radii = component.attribute_try_get_for_output_only<float>(
"radius", ATTR_DOMAIN_POINT);
fn::FieldEvaluator evaluator{field_context, domain_num};
evaluator.set_selection(selection_field);
evaluator.add_with_destination(radius_field, radii.varray());
evaluator.evaluate();
radii.save();
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Points");
Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
Field<float> radii_field = params.extract_input<Field<float>>("Radius");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (geometry_set.has_pointcloud()) {
set_radius_in_component(geometry_set.get_component_for_write<PointCloudComponent>(),
selection_field,
radii_field);
}
});
params.set_output("Points", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_set_point_radius_cc
void register_node_type_geo_set_point_radius()
{
namespace file_ns = blender::nodes::node_geo_set_point_radius_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_SET_POINT_RADIUS, "Set Point Radius", NODE_CLASS_GEOMETRY);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.declare = file_ns::node_declare;
nodeRegisterType(&ntype);
}
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