collision_world_distance_field.h

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/* Author: E. Gil Jones */

#ifndef MOVEIT_COLLISION_DISTANCE_FIELD_COLLISION_WORLD_DISTANCE_FIELD_
#define MOVEIT_COLLISION_DISTANCE_FIELD_COLLISION_WORLD_DISTANCE_FIELD_

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

namespace collision_detection
{
class CollisionWorldDistanceField : public CollisionWorld
{
public:
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
  struct DistanceFieldCacheEntry
  {
    std::map<std::string, std::vector<PosedBodyPointDecompositionPtr> > posed_body_point_decompositions_;
    boost::shared_ptr<distance_field::DistanceField> distance_field_;
  };

  CollisionWorldDistanceField(Eigen::Vector3d size = Eigen::Vector3d(DEFAULT_SIZE_X, DEFAULT_SIZE_Y, DEFAULT_SIZE_Z),
                              Eigen::Vector3d origin = Eigen::Vector3d(0, 0, 0),
                              bool use_signed_distance_field = DEFAULT_USE_SIGNED_DISTANCE_FIELD,
                              double resolution = DEFAULT_RESOLUTION,
                              double collision_tolerance = DEFAULT_COLLISION_TOLERANCE,
                              double max_propogation_distance = DEFAULT_MAX_PROPOGATION_DISTANCE);

  explicit CollisionWorldDistanceField(
      const WorldPtr& world, Eigen::Vector3d size = Eigen::Vector3d(DEFAULT_SIZE_X, DEFAULT_SIZE_Y, DEFAULT_SIZE_Z),
      Eigen::Vector3d origin = Eigen::Vector3d(0, 0, 0),
      bool use_signed_distance_field = DEFAULT_USE_SIGNED_DISTANCE_FIELD, double resolution = DEFAULT_RESOLUTION,
      double collision_tolerance = DEFAULT_COLLISION_TOLERANCE,
      double max_propogation_distance = DEFAULT_MAX_PROPOGATION_DISTANCE);

  CollisionWorldDistanceField(const CollisionWorldDistanceField& other, const WorldPtr& world);

  virtual ~CollisionWorldDistanceField();

  virtual void checkCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                              const robot_state::RobotState& state) const;

  virtual void checkCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                              const robot_state::RobotState& state,
                              boost::shared_ptr<GroupStateRepresentation>& gsr) const;

  virtual void checkCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                              const robot_state::RobotState& state, const AllowedCollisionMatrix& acm) const;

  virtual void checkCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                              const robot_state::RobotState& state, const AllowedCollisionMatrix& acm,
                              boost::shared_ptr<GroupStateRepresentation>& gsr) const;

  virtual void checkRobotCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                                   const robot_state::RobotState& state) const;

  virtual void checkRobotCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                                   const robot_state::RobotState& state,
                                   boost::shared_ptr<GroupStateRepresentation>& gsr) const;

  virtual void checkRobotCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                                   const robot_state::RobotState& state, const AllowedCollisionMatrix& acm) const;

  virtual void checkRobotCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                                   const robot_state::RobotState& state, const AllowedCollisionMatrix& acm,
                                   boost::shared_ptr<GroupStateRepresentation>& gsr) const;

  virtual void checkRobotCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                                   const robot_state::RobotState& state1, const robot_state::RobotState& state2) const
  {
  }
  virtual void checkRobotCollision(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                                   const robot_state::RobotState& state1, const robot_state::RobotState& state2,
                                   const AllowedCollisionMatrix& acm) const
  {
  }
  virtual void checkWorldCollision(const CollisionRequest& req, CollisionResult& res,
                                   const CollisionWorld& other_world) const
  {
  }
  virtual void checkWorldCollision(const CollisionRequest& req, CollisionResult& res, const CollisionWorld& other_world,
                                   const AllowedCollisionMatrix& acm) const
  {
  }

  virtual double distanceRobot(const CollisionRobot& robot, const robot_state::RobotState& state) const
  {
    return 0.0;
  }
  virtual double distanceRobot(const CollisionRobot& robot, const robot_state::RobotState& state,
                               const AllowedCollisionMatrix& acm) const
  {
    return 0.0;
  }
  virtual double distanceWorld(const CollisionWorld& world) const
  {
    return 0.0;
  }
  virtual double distanceWorld(const CollisionWorld& world, const AllowedCollisionMatrix& acm) const
  {
    return 0.0;
  }

  virtual void setWorld(const WorldPtr& world);

  void generateEnvironmentDistanceField(bool redo = true);

  boost::shared_ptr<const distance_field::DistanceField> getDistanceField() const
  {
    return distance_field_cache_entry_->distance_field_;
  }

  boost::shared_ptr<const collision_detection::GroupStateRepresentation> getLastGroupStateRepresentation() const
  {
    return last_gsr_;
  }

  void getCollisionGradients(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                             const robot_state::RobotState& state, const AllowedCollisionMatrix* acm,
                             boost::shared_ptr<GroupStateRepresentation>& gsr) const;

  void getAllCollisions(const CollisionRequest& req, CollisionResult& res, const CollisionRobot& robot,
                        const robot_state::RobotState& state, const AllowedCollisionMatrix* acm,
                        boost::shared_ptr<GroupStateRepresentation>& gsr) const;

protected:
  boost::shared_ptr<DistanceFieldCacheEntry> generateDistanceFieldCacheEntry();

  void updateDistanceObject(const std::string& id,
                            boost::shared_ptr<CollisionWorldDistanceField::DistanceFieldCacheEntry>& dfce,
                            EigenSTL::vector_Vector3d& add_points, EigenSTL::vector_Vector3d& subtract_points);

  bool getEnvironmentCollisions(const CollisionRequest& req, CollisionResult& res,
                                const boost::shared_ptr<const distance_field::DistanceField>& env_distance_field,
                                boost::shared_ptr<GroupStateRepresentation>& gsr) const;

  bool
  getEnvironmentProximityGradients(const boost::shared_ptr<const distance_field::DistanceField>& env_distance_field,
                                   boost::shared_ptr<GroupStateRepresentation>& gsr) const;

  static void notifyObjectChange(CollisionWorldDistanceField* self, const ObjectConstPtr& obj, World::Action action);

  Eigen::Vector3d size_;
  Eigen::Vector3d origin_;
  bool use_signed_distance_field_;
  double resolution_;
  double collision_tolerance_;
  double max_propogation_distance_;

  mutable boost::mutex update_cache_lock_;
  boost::shared_ptr<DistanceFieldCacheEntry> distance_field_cache_entry_;
  boost::shared_ptr<collision_detection::GroupStateRepresentation> last_gsr_;
  World::ObserverHandle observer_handle_;
};
}

#endif