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source/blender/nodes/geometry/nodes/node_geo_mesh_to_curve.cc
- This file was added.
| /* | |||||
| * 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 "GEO_mesh_to_curve.hh" | |||||
| #include "node_geometry_util.hh" | |||||
| namespace blender::nodes { | |||||
| static void geo_node_legacy_mesh_to_curve_declare(NodeDeclarationBuilder &b) | |||||
| { | |||||
| b.add_input<decl::Geometry>("Mesh"); | |||||
| b.add_input<decl::Bool>("Selection").default_value(true).hide_value().supports_field(); | |||||
| b.add_output<decl::Geometry>("Curve"); | |||||
| } | |||||
| static void geo_node_legacy_mesh_to_curve_exec(GeoNodeExecParams params) | |||||
| { | |||||
| GeometrySet geometry_set = params.extract_input<GeometrySet>("Mesh"); | |||||
| geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) { | |||||
| if (!geometry_set.has_mesh()) { | |||||
| geometry_set.keep_only({GEO_COMPONENT_TYPE_INSTANCES}); | |||||
| return; | |||||
| } | |||||
| const MeshComponent &component = *geometry_set.get_component_for_read<MeshComponent>(); | |||||
| GeometryComponentFieldContext context{component, ATTR_DOMAIN_EDGE}; | |||||
| fn::FieldEvaluator evaluator{context, component.attribute_domain_size(ATTR_DOMAIN_EDGE)}; | |||||
| evaluator.add(params.get_input<Field<bool>>("Selection")); | |||||
| evaluator.evaluate(); | |||||
| const IndexMask selection = evaluator.get_evaluated_as_mask(0); | |||||
| if (selection.size() == 0) { | |||||
| geometry_set.keep_only({GEO_COMPONENT_TYPE_INSTANCES}); | |||||
| return; | |||||
| } | |||||
| std::unique_ptr<CurveEval> curve = geometry::mesh_to_curve_convert(component, selection); | |||||
| geometry_set.replace_curve(curve.release()); | |||||
| geometry_set.keep_only({GEO_COMPONENT_TYPE_CURVE, GEO_COMPONENT_TYPE_INSTANCES}); | |||||
| }); | |||||
| params.set_output("Curve", std::move(geometry_set)); | |||||
| } | |||||
| } // namespace blender::nodes | |||||
| void register_node_type_geo_mesh_to_curve() | |||||
| { | |||||
| static bNodeType ntype; | |||||
| geo_node_type_base(&ntype, GEO_NODE_MESH_TO_CURVE, "Mesh to Curve", NODE_CLASS_GEOMETRY, 0); | |||||
| ntype.declare = blender::nodes::geo_node_legacy_mesh_to_curve_declare; | |||||
| ntype.geometry_node_execute = blender::nodes::geo_node_legacy_mesh_to_curve_exec; | |||||
| nodeRegisterType(&ntype); | |||||
| } | |||||
| No newline at end of file | |||||