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node_geometry_util.cc « geometry « nodes « blender « source - git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
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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 "node_geometry_util.hh"
#include "node_util.h"

#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"

#include "BKE_mesh.h"
#include "BKE_mesh_runtime.h"
#include "BKE_pointcloud.h"

#include "NOD_socket_search_link.hh"

namespace blender::nodes {

using bke::GeometryInstanceGroup;

void update_attribute_input_socket_availabilities(bNodeTree &ntree,
                                                  bNode &node,
                                                  const StringRef name,
                                                  const GeometryNodeAttributeInputMode mode,
                                                  const bool name_is_available)
{
  const GeometryNodeAttributeInputMode mode_ = (GeometryNodeAttributeInputMode)mode;
  LISTBASE_FOREACH (bNodeSocket *, socket, &node.inputs) {
    if (name == socket->name) {
      const bool socket_is_available =
          name_is_available &&
          ((socket->type == SOCK_STRING && mode_ == GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE) ||
           (socket->type == SOCK_FLOAT && mode_ == GEO_NODE_ATTRIBUTE_INPUT_FLOAT) ||
           (socket->type == SOCK_INT && mode_ == GEO_NODE_ATTRIBUTE_INPUT_INTEGER) ||
           (socket->type == SOCK_VECTOR && mode_ == GEO_NODE_ATTRIBUTE_INPUT_VECTOR) ||
           (socket->type == SOCK_RGBA && mode_ == GEO_NODE_ATTRIBUTE_INPUT_COLOR));
      nodeSetSocketAvailability(&ntree, socket, socket_is_available);
    }
  }
}

std::optional<CustomDataType> node_data_type_to_custom_data_type(const eNodeSocketDatatype type)
{
  switch (type) {
    case SOCK_FLOAT:
      return CD_PROP_FLOAT;
    case SOCK_VECTOR:
      return CD_PROP_FLOAT3;
    case SOCK_RGBA:
      return CD_PROP_COLOR;
    case SOCK_BOOLEAN:
      return CD_PROP_BOOL;
    case SOCK_INT:
      return CD_PROP_INT32;
    case SOCK_STRING:
      return CD_PROP_STRING;
    default:
      return {};
  }
}

std::optional<CustomDataType> node_socket_to_custom_data_type(const bNodeSocket &socket)
{
  return node_data_type_to_custom_data_type(static_cast<eNodeSocketDatatype>(socket.type));
}

}  // namespace blender::nodes

bool geo_node_poll_default(bNodeType *UNUSED(ntype),
                           bNodeTree *ntree,
                           const char **r_disabled_hint)
{
  if (!STREQ(ntree->idname, "GeometryNodeTree")) {
    *r_disabled_hint = TIP_("Not a geometry node tree");
    return false;
  }
  return true;
}

void geo_node_type_base(bNodeType *ntype, int type, const char *name, short nclass, short flag)
{
  node_type_base(ntype, type, name, nclass, flag);
  ntype->poll = geo_node_poll_default;
  ntype->insert_link = node_insert_link_default;
  ntype->gather_link_search_ops = blender::nodes::search_link_ops_for_basic_node;
}