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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "BKE_spline.hh"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_set_spline_resolution_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::Int>(N_("Resolution")).min(1).default_value(12).supports_field();
b.add_output<decl::Geometry>(N_("Geometry"));
}
static void set_resolution_in_component(GeometryComponent &component,
const Field<bool> &selection_field,
const Field<int> &resolution_field)
{
GeometryComponentFieldContext field_context{component, ATTR_DOMAIN_CURVE};
const int domain_size = component.attribute_domain_size(ATTR_DOMAIN_CURVE);
if (domain_size == 0) {
return;
}
OutputAttribute_Typed<int> resolutions = component.attribute_try_get_for_output_only<int>(
"resolution", ATTR_DOMAIN_CURVE);
fn::FieldEvaluator evaluator{field_context, domain_size};
evaluator.set_selection(selection_field);
evaluator.add_with_destination(resolution_field, resolutions.varray());
evaluator.evaluate();
resolutions.save();
}
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<int> resolution_field = params.extract_input<Field<int>>("Resolution");
bool only_poly = true;
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (geometry_set.has_curves()) {
if (only_poly) {
const std::unique_ptr<CurveEval> curve = curves_to_curve_eval(
*geometry_set.get_curves_for_read());
for (const SplinePtr &spline : curve->splines()) {
if (ELEM(spline->type(), CURVE_TYPE_BEZIER, CURVE_TYPE_NURBS)) {
only_poly = false;
break;
}
}
}
set_resolution_in_component(geometry_set.get_component_for_write<CurveComponent>(),
selection_field,
resolution_field);
}
});
if (only_poly) {
params.error_message_add(NodeWarningType::Warning,
TIP_("Input geometry does not contain a Bezier or NURB spline"));
}
params.set_output("Geometry", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_set_spline_resolution_cc
void register_node_type_geo_set_spline_resolution()
{
namespace file_ns = blender::nodes::node_geo_set_spline_resolution_cc;
static bNodeType ntype;
geo_node_type_base(
&ntype, GEO_NODE_SET_SPLINE_RESOLUTION, "Set Spline Resolution", NODE_CLASS_GEOMETRY);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.declare = file_ns::node_declare;
nodeRegisterType(&ntype);
}
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