Geometry Nodes: move legacy nodes to separate folder

Previously, we were moving them one by one. It's a lot easier
to just move all files at the same time.

1 files changed, 0 insertions, 278 deletions

diff --git a/source/blender/nodes/geometry/nodes/node_geo_points_to_volume.cc b/source/blender/nodes/geometry/nodes/node_geo_points_to_volume.cc
deleted file mode 100644
index d920c8de9f0..00000000000
--- a/source/blender/nodes/geometry/nodes/node_geo_points_to_volume.cc
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * 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.
- */
-
-#ifdef WITH_OPENVDB
-#  include <openvdb/openvdb.h>
-#  include <openvdb/tools/LevelSetUtil.h>
-#  include <openvdb/tools/ParticlesToLevelSet.h>
-#endif
-
-#include "node_geometry_util.hh"
-
-#include "BKE_lib_id.h"
-#include "BKE_volume.h"
-
-#include "UI_interface.h"
-#include "UI_resources.h"
-
-namespace blender::nodes {
-
-static void geo_node_points_to_volume_declare(NodeDeclarationBuilder &b)
-{
-  b.add_input<decl::Geometry>("Geometry");
-  b.add_input<decl::Float>("Density").default_value(1.0f).min(0.0f);
-  b.add_input<decl::Float>("Voxel Size").default_value(0.3f).min(0.01f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>("Voxel Amount").default_value(64.0f).min(0.0f);
-  b.add_input<decl::String>("Radius");
-  b.add_input<decl::Float>("Radius", "Radius_001").default_value(0.5f).min(0.0f);
-  b.add_output<decl::Geometry>("Geometry");
-}
-
-static void geo_node_points_to_volume_layout(uiLayout *layout,
-                                             bContext *UNUSED(C),
-                                             PointerRNA *ptr)
-{
-  uiLayoutSetPropSep(layout, true);
-  uiLayoutSetPropDecorate(layout, false);
-  uiItemR(layout, ptr, "resolution_mode", 0, IFACE_("Resolution"), ICON_NONE);
-  uiItemR(layout, ptr, "input_type_radius", 0, IFACE_("Radius"), ICON_NONE);
-}
-
-static void geo_node_points_to_volume_init(bNodeTree *UNUSED(ntree), bNode *node)
-{
-  NodeGeometryPointsToVolume *data = (NodeGeometryPointsToVolume *)MEM_callocN(
-      sizeof(NodeGeometryPointsToVolume), __func__);
-  data->resolution_mode = GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_AMOUNT;
-  data->input_type_radius = GEO_NODE_ATTRIBUTE_INPUT_FLOAT;
-  node->storage = data;
-
-  bNodeSocket *radius_attribute_socket = nodeFindSocket(node, SOCK_IN, "Radius");
-  bNodeSocketValueString *radius_attribute_socket_value =
-      (bNodeSocketValueString *)radius_attribute_socket->default_value;
-  STRNCPY(radius_attribute_socket_value->value, "radius");
-}
-
-static void geo_node_points_to_volume_update(bNodeTree *UNUSED(ntree), bNode *node)
-{
-  NodeGeometryPointsToVolume *data = (NodeGeometryPointsToVolume *)node->storage;
-  bNodeSocket *voxel_size_socket = nodeFindSocket(node, SOCK_IN, "Voxel Size");
-  bNodeSocket *voxel_amount_socket = nodeFindSocket(node, SOCK_IN, "Voxel Amount");
-  nodeSetSocketAvailability(voxel_amount_socket,
-                            data->resolution_mode ==
-                                GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_AMOUNT);
-  nodeSetSocketAvailability(
-      voxel_size_socket, data->resolution_mode == GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_SIZE);
-
-  update_attribute_input_socket_availabilities(
-      *node, "Radius", (GeometryNodeAttributeInputMode)data->input_type_radius);
-}
-
-#ifdef WITH_OPENVDB
-namespace {
-/* Implements the interface required by #openvdb::tools::ParticlesToLevelSet. */
-struct ParticleList {
-  using PosType = openvdb::Vec3R;
-
-  Span<float3> positions;
-  Span<float> radii;
-
-  size_t size() const
-  {
-    return (size_t)positions.size();
-  }
-
-  void getPos(size_t n, openvdb::Vec3R &xyz) const
-  {
-    xyz = &positions[n].x;
-  }
-
-  void getPosRad(size_t n, openvdb::Vec3R &xyz, openvdb::Real &radius) const
-  {
-    xyz = &positions[n].x;
-    radius = radii[n];
-  }
-};
-}  // namespace
-
-static openvdb::FloatGrid::Ptr generate_volume_from_points(const Span<float3> positions,
-                                                           const Span<float> radii,
-                                                           const float density)
-{
-  /* Create a new grid that will be filled. #ParticlesToLevelSet requires the background value to
-   * be positive. It will be set to zero later on. */
-  openvdb::FloatGrid::Ptr new_grid = openvdb::FloatGrid::create(1.0f);
-
-  /* Create a narrow-band level set grid based on the positions and radii. */
-  openvdb::tools::ParticlesToLevelSet op{*new_grid};
-  /* Don't ignore particles based on their radius. */
-  op.setRmin(0.0f);
-  op.setRmax(FLT_MAX);
-  ParticleList particles{positions, radii};
-  op.rasterizeSpheres(particles);
-  op.finalize();
-
-  /* Convert the level set to a fog volume. This also sets the background value to zero. Inside the
-   * fog there will be a density of 1. */
-  openvdb::tools::sdfToFogVolume(*new_grid);
-
-  /* Take the desired density into account. */
-  openvdb::tools::foreach (new_grid->beginValueOn(),
-                           [&](const openvdb::FloatGrid::ValueOnIter &iter) {
-                             iter.modifyValue([&](float &value) { value *= density; });
-                           });
-  return new_grid;
-}
-
-static float compute_voxel_size(const GeoNodeExecParams &params,
-                                Span<float3> positions,
-                                const float radius)
-{
-  const NodeGeometryPointsToVolume &storage =
-      *(const NodeGeometryPointsToVolume *)params.node().storage;
-
-  if (storage.resolution_mode == GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_SIZE) {
-    return params.get_input<float>("Voxel Size");
-  }
-
-  if (positions.is_empty()) {
-    return 0.0f;
-  }
-
-  float3 min, max;
-  INIT_MINMAX(min, max);
-  minmax_v3v3_v3_array(min, max, (float(*)[3])positions.data(), positions.size());
-
-  const float voxel_amount = params.get_input<float>("Voxel Amount");
-  if (voxel_amount <= 1) {
-    return 0.0f;
-  }
-
-  /* The voxel size adapts to the final size of the volume. */
-  const float diagonal = float3::distance(min, max);
-  const float extended_diagonal = diagonal + 2.0f * radius;
-  const float voxel_size = extended_diagonal / voxel_amount;
-  return voxel_size;
-}
-
-static void gather_point_data_from_component(const GeoNodeExecParams &params,
-                                             const GeometryComponent &component,
-                                             Vector<float3> &r_positions,
-                                             Vector<float> &r_radii)
-{
-  GVArray_Typed<float3> positions = component.attribute_get_for_read<float3>(
-      "position", ATTR_DOMAIN_POINT, {0, 0, 0});
-  GVArray_Typed<float> radii = params.get_input_attribute<float>(
-      "Radius", component, ATTR_DOMAIN_POINT, 0.0f);
-
-  for (const int i : IndexRange(positions.size())) {
-    r_positions.append(positions[i]);
-    r_radii.append(radii[i]);
-  }
-}
-
-static void convert_to_grid_index_space(const float voxel_size,
-                                        MutableSpan<float3> positions,
-                                        MutableSpan<float> radii)
-{
-  const float voxel_size_inv = 1.0f / voxel_size;
-  for (const int i : positions.index_range()) {
-    positions[i] *= voxel_size_inv;
-    /* Better align generated grid with source points. */
-    positions[i] -= float3(0.5f);
-    radii[i] *= voxel_size_inv;
-  }
-}
-
-static void initialize_volume_component_from_points(const GeometrySet &geometry_set_in,
-                                                    GeometrySet &geometry_set_out,
-                                                    const GeoNodeExecParams &params)
-{
-  Vector<float3> positions;
-  Vector<float> radii;
-
-  if (geometry_set_in.has<MeshComponent>()) {
-    gather_point_data_from_component(
-        params, *geometry_set_in.get_component_for_read<MeshComponent>(), positions, radii);
-  }
-  if (geometry_set_in.has<PointCloudComponent>()) {
-    gather_point_data_from_component(
-        params, *geometry_set_in.get_component_for_read<PointCloudComponent>(), positions, radii);
-  }
-  if (geometry_set_in.has<CurveComponent>()) {
-    gather_point_data_from_component(
-        params, *geometry_set_in.get_component_for_read<CurveComponent>(), positions, radii);
-  }
-
-  const float max_radius = *std::max_element(radii.begin(), radii.end());
-  const float voxel_size = compute_voxel_size(params, positions, max_radius);
-  if (voxel_size == 0.0f || positions.is_empty()) {
-    return;
-  }
-
-  Volume *volume = (Volume *)BKE_id_new_nomain(ID_VO, nullptr);
-  BKE_volume_init_grids(volume);
-
-  VolumeGrid *c_density_grid = BKE_volume_grid_add(volume, "density", VOLUME_GRID_FLOAT);
-  openvdb::FloatGrid::Ptr density_grid = openvdb::gridPtrCast<openvdb::FloatGrid>(
-      BKE_volume_grid_openvdb_for_write(volume, c_density_grid, false));
-
-  const float density = params.get_input<float>("Density");
-  convert_to_grid_index_space(voxel_size, positions, radii);
-  openvdb::FloatGrid::Ptr new_grid = generate_volume_from_points(positions, radii, density);
-  /* This merge is cheap, because the #density_grid is empty. */
-  density_grid->merge(*new_grid);
-  density_grid->transform().postScale(voxel_size);
-
-  VolumeComponent &volume_component = geometry_set_out.get_component_for_write<VolumeComponent>();
-  volume_component.replace(volume);
-}
-#endif
-
-static void geo_node_points_to_volume_exec(GeoNodeExecParams params)
-{
-  GeometrySet geometry_set_in = params.extract_input<GeometrySet>("Geometry");
-  GeometrySet geometry_set_out;
-
-  /* TODO: Read-only access to instances should be supported here, for now they are made real. */
-  geometry_set_in = geometry_set_realize_instances(geometry_set_in);
-
-#ifdef WITH_OPENVDB
-  initialize_volume_component_from_points(geometry_set_in, geometry_set_out, params);
-#endif
-
-  params.set_output("Geometry", std::move(geometry_set_out));
-}
-
-}  // namespace blender::nodes
-
-void register_node_type_geo_points_to_volume()
-{
-  static bNodeType ntype;
-
-  geo_node_type_base(
-      &ntype, GEO_NODE_LEGACY_POINTS_TO_VOLUME, "Points to Volume", NODE_CLASS_GEOMETRY, 0);
-  node_type_storage(&ntype,
-                    "NodeGeometryPointsToVolume",
-                    node_free_standard_storage,
-                    node_copy_standard_storage);
-  node_type_size(&ntype, 170, 120, 700);
-  node_type_init(&ntype, blender::nodes::geo_node_points_to_volume_init);
-  node_type_update(&ntype, blender::nodes::geo_node_points_to_volume_update);
-  ntype.declare = blender::nodes::geo_node_points_to_volume_declare;
-  ntype.geometry_node_execute = blender::nodes::geo_node_points_to_volume_exec;
-  ntype.draw_buttons = blender::nodes::geo_node_points_to_volume_layout;
-  nodeRegisterType(&ntype);
-}