Differential D16029 Diff 56262 source/blender/nodes/geometry/nodes/node_geo_mesh_topology_vertex_of_corner.cc

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source/blender/nodes/geometry/nodes/node_geo_mesh_topology_vertex_of_corner.cc

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				/* SPDX-License-Identifier: GPL-2.0-or-later */

				#include "BKE_mesh.h"

				#include "BLI_task.hh"

				#include "node_geometry_util.hh"

				namespace blender::nodes::node_geo_mesh_topology_vertex_of_corner_cc {

				static void node_declare(NodeDeclarationBuilder &b)
				{
				b.add_input<decl::Int>(N_("Corner Index"))
				.implicit_field(implicit_field_inputs::index)
				.description(
				N_("The corner to retrieve data from. Defaults to the corner from the context"));
				b.add_output<decl::Int>(N_("Vertex Index"))
				.dependent_field()
				.description(N_("The vertex the corner is attached to"));
				}

				static int get_loop_vert(const MLoop &loop)
				{
				return loop.v;
				}

				class CornerVertFieldInput final : public bke::MeshFieldInput {
				public:
				CornerVertFieldInput() : bke::MeshFieldInput(CPPType::get<int>(), "Corner Vertex")
				{
				category_ = Category::Generated;
				}

				GVArray get_varray_for_context(const Mesh &mesh,
				const eAttrDomain domain,
				const IndexMask /mask/) const final
				{
				if (domain != ATTR_DOMAIN_CORNER) {
				return {};
				}
				return VArray<int>::ForDerivedSpan<MLoop, get_loop_vert>(mesh.loops());
				}

				uint64_t hash() const final
				{
				return 30495867093876;
				}

				bool is_equal_to(const fn::FieldNode &other) const final
				{
				if (dynamic_cast<const CornerVertFieldInput *>(&other)) {
				return true;
				}
				return false;
				}
				};

				static void node_geo_exec(GeoNodeExecParams params)
				{
				params.set_output("Vertex Index",
				Field<int>(std::make_shared<FieldAtIndexInput>(
				params.extract_input<Field<int>>("Corner Index"),
				Field<int>(std::make_shared<CornerVertFieldInput>()),
				ATTR_DOMAIN_CORNER)));
				}

				} // namespace blender::nodes::node_geo_mesh_topology_vertex_of_corner_cc

				void register_node_type_geo_mesh_topology_vertex_of_corner()
				{
				namespace file_ns = blender::nodes::node_geo_mesh_topology_vertex_of_corner_cc;

				static bNodeType ntype;
				geo_node_type_base(
				&ntype, GEO_NODE_MESH_TOPOLOGY_VERTEX_OF_CORNER, "Vertex of Corner", NODE_CLASS_INPUT);
				ntype.geometry_node_execute = file_ns::node_geo_exec;
				ntype.declare = file_ns::node_declare;
				nodeRegisterType(&ntype);
				}