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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "BKE_curves.hh"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_set_curve_tilt_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Curve")).supported_type(GEO_COMPONENT_TYPE_CURVE);
b.add_input<decl::Bool>(N_("Selection")).default_value(true).hide_value().supports_field();
b.add_input<decl::Float>(N_("Tilt")).subtype(PROP_ANGLE).supports_field();
b.add_output<decl::Geometry>(N_("Curve"));
}
static void set_tilt(bke::CurvesGeometry &curves,
const Field<bool> &selection_field,
const Field<float> &tilt_field)
{
if (curves.points_num() == 0) {
return;
}
MutableAttributeAccessor attributes = curves.attributes_for_write();
AttributeWriter<float> tilts = attributes.lookup_or_add_for_write<float>("tilt",
ATTR_DOMAIN_POINT);
bke::CurvesFieldContext field_context{curves, ATTR_DOMAIN_POINT};
fn::FieldEvaluator evaluator{field_context, curves.points_num()};
evaluator.set_selection(selection_field);
evaluator.add_with_destination(tilt_field, tilts.varray);
evaluator.evaluate();
tilts.finish();
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Curve");
Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
Field<float> tilt_field = params.extract_input<Field<float>>("Tilt");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (Curves *curves_id = geometry_set.get_curves_for_write()) {
set_tilt(bke::CurvesGeometry::wrap(curves_id->geometry), selection_field, tilt_field);
}
});
params.set_output("Curve", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_set_curve_tilt_cc
void register_node_type_geo_set_curve_tilt()
{
namespace file_ns = blender::nodes::node_geo_set_curve_tilt_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_SET_CURVE_TILT, "Set Curve Tilt", NODE_CLASS_GEOMETRY);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.declare = file_ns::node_declare;
nodeRegisterType(&ntype);
}
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