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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);
}
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