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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "BKE_curves.hh"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_set_curve_normal_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_layout(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiItemR(layout, ptr, "mode", 0, "", ICON_NONE);
}
static void node_init(bNodeTree * /*tree*/, bNode *node)
{
node->custom1 = NORMAL_MODE_MINIMUM_TWIST;
}
static void set_normal_mode(bke::CurvesGeometry &curves,
const NormalMode mode,
const Field<bool> &selection_field)
{
bke::CurvesFieldContext field_context{curves, ATTR_DOMAIN_CURVE};
fn::FieldEvaluator evaluator{field_context, curves.curves_num()};
evaluator.set_selection(selection_field);
evaluator.evaluate();
const IndexMask selection = evaluator.get_evaluated_selection_as_mask();
curves.normal_mode_for_write().fill_indices(selection, mode);
curves.tag_normals_changed();
}
static void node_geo_exec(GeoNodeExecParams params)
{
const NormalMode mode = static_cast<NormalMode>(params.node().custom1);
GeometrySet geometry_set = params.extract_input<GeometrySet>("Curve");
Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (Curves *curves_id = geometry_set.get_curves_for_write()) {
bke::CurvesGeometry &curves = bke::CurvesGeometry::wrap(curves_id->geometry);
set_normal_mode(curves, mode, selection_field);
}
});
params.set_output("Curve", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_set_curve_normal_cc
void register_node_type_geo_set_curve_normal()
{
namespace file_ns = blender::nodes::node_geo_set_curve_normal_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_SET_CURVE_NORMAL, "Set Curve Normal", NODE_CLASS_GEOMETRY);
ntype.declare = file_ns::node_declare;
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.initfunc = file_ns::node_init;
ntype.draw_buttons = file_ns::node_layout;
nodeRegisterType(&ntype);
}
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