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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "GEO_resample_curves.hh"
#include "BKE_curves.hh"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_curve_resample_cc {
NODE_STORAGE_FUNCS(NodeGeometryCurveResample)
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).supports_field().hide_value();
b.add_input<decl::Int>(N_("Count")).default_value(10).min(1).max(100000).supports_field();
b.add_input<decl::Float>(N_("Length"))
.default_value(0.1f)
.min(0.01f)
.supports_field()
.subtype(PROP_DISTANCE);
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)
{
NodeGeometryCurveResample *data = MEM_cnew<NodeGeometryCurveResample>(__func__);
data->mode = GEO_NODE_CURVE_RESAMPLE_COUNT;
node->storage = data;
}
static void node_update(bNodeTree *ntree, bNode *node)
{
const NodeGeometryCurveResample &storage = node_storage(*node);
const GeometryNodeCurveResampleMode mode = (GeometryNodeCurveResampleMode)storage.mode;
bNodeSocket *count_socket = static_cast<bNodeSocket *>(node->inputs.first)->next->next;
bNodeSocket *length_socket = count_socket->next;
nodeSetSocketAvailability(ntree, count_socket, mode == GEO_NODE_CURVE_RESAMPLE_COUNT);
nodeSetSocketAvailability(ntree, length_socket, mode == GEO_NODE_CURVE_RESAMPLE_LENGTH);
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Curve");
const NodeGeometryCurveResample &storage = node_storage(params.node());
const GeometryNodeCurveResampleMode mode = (GeometryNodeCurveResampleMode)storage.mode;
const Field<bool> selection = params.extract_input<Field<bool>>("Selection");
GeometryComponentEditData::remember_deformed_curve_positions_if_necessary(geometry_set);
switch (mode) {
case GEO_NODE_CURVE_RESAMPLE_COUNT: {
Field<int> count = params.extract_input<Field<int>>("Count");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry) {
if (const Curves *src_curves_id = geometry.get_curves_for_read()) {
const bke::CurvesGeometry &src_curves = bke::CurvesGeometry::wrap(
src_curves_id->geometry);
bke::CurvesGeometry dst_curves = geometry::resample_to_count(
src_curves, selection, count);
Curves *dst_curves_id = bke::curves_new_nomain(std::move(dst_curves));
bke::curves_copy_parameters(*src_curves_id, *dst_curves_id);
geometry.replace_curves(dst_curves_id);
}
});
break;
}
case GEO_NODE_CURVE_RESAMPLE_LENGTH: {
Field<float> length = params.extract_input<Field<float>>("Length");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry) {
if (const Curves *src_curves_id = geometry.get_curves_for_read()) {
const bke::CurvesGeometry &src_curves = bke::CurvesGeometry::wrap(
src_curves_id->geometry);
bke::CurvesGeometry dst_curves = geometry::resample_to_length(
src_curves, selection, length);
Curves *dst_curves_id = bke::curves_new_nomain(std::move(dst_curves));
bke::curves_copy_parameters(*src_curves_id, *dst_curves_id);
geometry.replace_curves(dst_curves_id);
}
});
break;
}
case GEO_NODE_CURVE_RESAMPLE_EVALUATED:
geometry_set.modify_geometry_sets([&](GeometrySet &geometry) {
if (const Curves *src_curves_id = geometry.get_curves_for_read()) {
const bke::CurvesGeometry &src_curves = bke::CurvesGeometry::wrap(
src_curves_id->geometry);
bke::CurvesGeometry dst_curves = geometry::resample_to_evaluated(src_curves, selection);
Curves *dst_curves_id = bke::curves_new_nomain(std::move(dst_curves));
bke::curves_copy_parameters(*src_curves_id, *dst_curves_id);
geometry.replace_curves(dst_curves_id);
}
});
break;
}
params.set_output("Curve", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_curve_resample_cc
void register_node_type_geo_curve_resample()
{
namespace file_ns = blender::nodes::node_geo_curve_resample_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_RESAMPLE_CURVE, "Resample Curve", NODE_CLASS_GEOMETRY);
ntype.declare = file_ns::node_declare;
ntype.draw_buttons = file_ns::node_layout;
node_type_storage(
&ntype, "NodeGeometryCurveResample", node_free_standard_storage, node_copy_standard_storage);
node_type_init(&ntype, file_ns::node_init);
node_type_update(&ntype, file_ns::node_update);
ntype.geometry_node_execute = file_ns::node_geo_exec;
nodeRegisterType(&ntype);
}
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