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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_set_spline_cyclic_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Geometry")).supported_type(GEO_COMPONENT_TYPE_CURVE);
b.add_input<decl::Bool>(N_("Selection")).default_value(true).hide_value().supports_field();
b.add_input<decl::Bool>(N_("Cyclic")).supports_field();
b.add_output<decl::Geometry>(N_("Geometry"));
}
static void set_cyclic_in_component(GeometryComponent &component,
const Field<bool> &selection_field,
const Field<bool> &cyclic_field)
{
const int domain_size = component.attribute_domain_size(ATTR_DOMAIN_CURVE);
if (domain_size == 0) {
return;
}
MutableAttributeAccessor attributes = *component.attributes_for_write();
GeometryComponentFieldContext field_context{component, ATTR_DOMAIN_CURVE};
AttributeWriter<bool> cyclics = attributes.lookup_or_add_for_write<bool>("cyclic",
ATTR_DOMAIN_CURVE);
fn::FieldEvaluator evaluator{field_context, domain_size};
evaluator.set_selection(selection_field);
evaluator.add_with_destination(cyclic_field, cyclics.varray);
evaluator.evaluate();
cyclics.finish();
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
Field<bool> cyclic_field = params.extract_input<Field<bool>>("Cyclic");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (geometry_set.has_curves()) {
set_cyclic_in_component(
geometry_set.get_component_for_write<CurveComponent>(), selection_field, cyclic_field);
}
});
params.set_output("Geometry", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_set_spline_cyclic_cc
void register_node_type_geo_set_spline_cyclic()
{
namespace file_ns = blender::nodes::node_geo_set_spline_cyclic_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_SET_SPLINE_CYCLIC, "Set Spline Cyclic", NODE_CLASS_GEOMETRY);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.declare = file_ns::node_declare;
nodeRegisterType(&ntype);
}
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