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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "BLI_task.hh"
#include "BKE_curves.hh"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_curve_reverse_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_output<decl::Geometry>(N_("Curve"));
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Curve");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (!geometry_set.has_curves()) {
return;
}
const Curves &src_curves_id = *geometry_set.get_curves_for_read();
const bke::CurvesGeometry &src_curves = bke::CurvesGeometry::wrap(src_curves_id.geometry);
bke::CurvesFieldContext field_context{src_curves, ATTR_DOMAIN_CURVE};
fn::FieldEvaluator selection_evaluator{field_context, src_curves.curves_num()};
selection_evaluator.add(params.get_input<Field<bool>>("Selection"));
selection_evaluator.evaluate();
const IndexMask selection = selection_evaluator.get_evaluated_as_mask(0);
if (selection.is_empty()) {
return;
}
Curves &curves_id = *geometry_set.get_curves_for_write();
bke::CurvesGeometry &curves = bke::CurvesGeometry::wrap(curves_id.geometry);
curves.reverse_curves(selection);
});
params.set_output("Curve", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_curve_reverse_cc
void register_node_type_geo_curve_reverse()
{
namespace file_ns = blender::nodes::node_geo_curve_reverse_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_REVERSE_CURVE, "Reverse Curve", NODE_CLASS_GEOMETRY);
ntype.declare = file_ns::node_declare;
ntype.geometry_node_execute = file_ns::node_geo_exec;
nodeRegisterType(&ntype);
}
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