Differential D12687 Diff 42621 source/blender/nodes/geometry/nodes/node_geo_set_curve_tilt.cc

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source/blender/nodes/geometry/nodes/node_geo_set_curve_tilt.cc

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				/*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*/

				#include "DEG_depsgraph_query.h"

				#include "node_geometry_util.hh"

				namespace blender::nodes {

				static void geo_node_set_curve_tilt_declare(NodeDeclarationBuilder &b)
				{
				b.add_input<decl::Geometry>("Geometry");
				b.add_input<decl::Float>("Tilt").supports_field();
				b.add_input<decl::Bool>("Selection").default_value(true).hide_value().supports_field();
				HooglyBooglyUnsubmitted Not Done Inline Actions This can use `PROP_ANGLE`, as a hint that tilt is an angle for rotation about the tangent. HooglyBoogly: This can use `PROP_ANGLE`, as a hint that tilt is an angle for rotation about the tangent.
				b.add_output<decl::Geometry>("Geometry");
				}

				static void set_tilt_in_component(GeometryComponent &component,
				const Field<bool> &selection_field,
				const Field<float> &tilt_field)
				{
				GeometryComponentFieldContext field_context{component, ATTR_DOMAIN_POINT};
				const int domain_size = component.attribute_domain_size(ATTR_DOMAIN_POINT);
				if (domain_size == 0) {
				return;
				}

				fn::FieldEvaluator selection_evaluator{field_context, domain_size};
				selection_evaluator.add(selection_field);
				selection_evaluator.evaluate();
				const IndexMask selection = selection_evaluator.get_evaluated_as_mask(0);

				OutputAttribute_Typed<float> tilts = component.attribute_try_get_for_output_only<float>(
				"tilt", ATTR_DOMAIN_POINT);
				fn::FieldEvaluator tilt_evaluator{field_context, &selection};
				tilt_evaluator.add_with_destination(tilt_field, tilts.varray());
				tilt_evaluator.evaluate();
				tilts.save();
				}

				static void geo_node_set_curve_tilt_exec(GeoNodeExecParams params)
				{
				GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
				Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
				Field<float> tilt_field = params.extract_input<Field<float>>("Tilt");

				geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
				if (geometry_set.has_curve()) {
				set_tilt_in_component(
				geometry_set.get_component_for_write<CurveComponent>(), selection_field, tilt_field);
				}
				});

				params.set_output("Geometry", std::move(geometry_set));
				}

				} // namespace blender::nodes

				void register_node_type_geo_set_curve_tilt()
				{
				static bNodeType ntype;

				geo_node_type_base(&ntype, GEO_NODE_SET_CURVE_TILT, "Set Tilt", NODE_CLASS_GEOMETRY, 0);
				ntype.geometry_node_execute = blender::nodes::geo_node_set_curve_tilt_exec;
				ntype.declare = blender::nodes::geo_node_set_curve_tilt_declare;
				nodeRegisterType(&ntype);
				}