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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 "GEO_set_curve_type.hh"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_curve_spline_type_cc {
NODE_STORAGE_FUNCS(NodeGeometryCurveSplineType)
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, "spline_type", 0, "", ICON_NONE);
}
static void node_init(bNodeTree * /*tree*/, bNode *node)
{
NodeGeometryCurveSplineType *data = MEM_cnew<NodeGeometryCurveSplineType>(__func__);
data->spline_type = CURVE_TYPE_POLY;
node->storage = data;
}
static void node_geo_exec(GeoNodeExecParams params)
{
const NodeGeometryCurveSplineType &storage = node_storage(params.node());
const CurveType dst_type = CurveType(storage.spline_type);
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 (!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);
if (src_curves.is_single_type(dst_type)) {
return;
}
bke::CurvesFieldContext field_context{src_curves, ATTR_DOMAIN_CURVE};
fn::FieldEvaluator evaluator{field_context, src_curves.curves_num()};
evaluator.set_selection(selection_field);
evaluator.evaluate();
const IndexMask selection = evaluator.get_evaluated_selection_as_mask();
if (selection.is_empty()) {
return;
}
if (geometry::try_curves_conversion_in_place(
selection, dst_type, [&]() -> bke::CurvesGeometry & {
return bke::CurvesGeometry::wrap(geometry_set.get_curves_for_write()->geometry);
})) {
return;
}
bke::CurvesGeometry dst_curves = geometry::convert_curves(src_curves, selection, dst_type);
Curves *dst_curves_id = bke::curves_new_nomain(std::move(dst_curves));
bke::curves_copy_parameters(src_curves_id, *dst_curves_id);
geometry_set.replace_curves(dst_curves_id);
});
params.set_output("Curve", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_curve_spline_type_cc
void register_node_type_geo_curve_spline_type()
{
namespace file_ns = blender::nodes::node_geo_curve_spline_type_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_CURVE_SPLINE_TYPE, "Set Spline Type", NODE_CLASS_GEOMETRY);
ntype.declare = file_ns::node_declare;
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.initfunc = file_ns::node_init;
node_type_storage(&ntype,
"NodeGeometryCurveSplineType",
node_free_standard_storage,
node_copy_standard_storage);
ntype.draw_buttons = file_ns::node_layout;
nodeRegisterType(&ntype);
}
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