collision_common_distance_field.h

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/* Author: E. Gil Jones */

#ifndef MOVEIT_COLLISION_DETECTION_DISTANCE_FIELD_COLLISION_COMMON_
#define MOVEIT_COLLISION_DETECTION_DISTANCE_FIELD_COLLISION_COMMON_

#include <moveit/robot_state/robot_state.h>
#include <moveit/collision_detection/collision_common.h>
#include <moveit/collision_detection/collision_world.h>
#include <moveit/collision_distance_field/collision_distance_field_types.h>

namespace collision_detection
{
struct DistanceFieldCacheEntry;

struct GroupStateRepresentation
{
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW

  GroupStateRepresentation(){};
  GroupStateRepresentation(const GroupStateRepresentation& gsr)
  {
    link_body_decompositions_.resize(gsr.link_body_decompositions_.size());
    for (unsigned int i = 0; i < gsr.link_body_decompositions_.size(); i++)
    {
      if (gsr.link_body_decompositions_[i])
      {
        link_body_decompositions_[i].reset(new PosedBodySphereDecomposition(*gsr.link_body_decompositions_[i]));
      }
    }

    link_distance_fields_.assign(gsr.link_distance_fields_.begin(), gsr.link_distance_fields_.end());

    attached_body_decompositions_.resize(gsr.attached_body_decompositions_.size());
    for (unsigned int i = 0; i < gsr.attached_body_decompositions_.size(); i++)
    {
      (*attached_body_decompositions_[i]) = (*gsr.attached_body_decompositions_[i]);
    }
    gradients_ = gsr.gradients_;
  }

  boost::shared_ptr<const DistanceFieldCacheEntry> dfce_;

  std::vector<PosedBodySphereDecompositionPtr> link_body_decompositions_;

  std::vector<PosedBodySphereDecompositionVectorPtr> attached_body_decompositions_;

  std::vector<PosedDistanceFieldPtr> link_distance_fields_;

  std::vector<GradientInfo> gradients_;
};

struct DistanceFieldCacheEntry
{
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW

  std::string group_name_;
  boost::shared_ptr<robot_state::RobotState> state_;
  std::vector<unsigned int> state_check_indices_;
  std::vector<double> state_values_;
  /* the acm used when generating this dfce.  This dfce cannot be used to check
   * collisions with a different acm. */
  collision_detection::AllowedCollisionMatrix acm_;
  boost::shared_ptr<distance_field::DistanceField> distance_field_;
  boost::shared_ptr<GroupStateRepresentation> pregenerated_group_state_representation_;
  std::vector<std::string> link_names_;
  std::vector<bool> link_has_geometry_;
  std::vector<unsigned int> link_body_indices_;
  std::vector<unsigned int> link_state_indices_;
  std::vector<std::string> attached_body_names_;
  std::vector<unsigned int> attached_body_link_state_indices_;
  std::vector<bool> self_collision_enabled_;
  std::vector<std::vector<bool>> intra_group_collision_enabled_;
};

BodyDecompositionConstPtr getBodyDecompositionCacheEntry(const shapes::ShapeConstPtr& shape, double resolution);

PosedBodyPointDecompositionVectorPtr getCollisionObjectPointDecomposition(const collision_detection::World::Object& obj,
                                                                          double resolution);

PosedBodySphereDecompositionVectorPtr getAttachedBodySphereDecomposition(const robot_state::AttachedBody* att,
                                                                         double resolution);

PosedBodyPointDecompositionVectorPtr getAttachedBodyPointDecomposition(const robot_state::AttachedBody* att,
                                                                       double resolution);

void getBodySphereVisualizationMarkers(boost::shared_ptr<const collision_detection::GroupStateRepresentation>& gsr,
                                       std::string reference_frame, visualization_msgs::MarkerArray& body_marker_array);
}
#endif