broadphase_spatialhash.h

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#ifndef COAL_BROADPHASE_BROADPAHSESPATIALHASH_H
#define COAL_BROADPHASE_BROADPAHSESPATIALHASH_H
 
#include <list>
#include <map>
#include "coal/BV/AABB.h"
#include "coal/broadphase/broadphase_collision_manager.h"
#include "coal/broadphase/detail/simple_hash_table.h"
#include "coal/broadphase/detail/sparse_hash_table.h"
#include "coal/broadphase/detail/spatial_hash.h"
 
namespace coal {
 
template <typename HashTable = detail::SimpleHashTable<AABB, CollisionObject*,
                                                       detail::SpatialHash> >
class SpatialHashingCollisionManager : public BroadPhaseCollisionManager {
 public:
  typedef BroadPhaseCollisionManager Base;
  using Base::getObjects;
 
  SpatialHashingCollisionManager(Scalar cell_size, const Vec3s& scene_min,
                                 const Vec3s& scene_max,
                                 unsigned int default_table_size = 1000);
 
  ~SpatialHashingCollisionManager();
 
  void registerObject(CollisionObject* obj);
 
  void unregisterObject(CollisionObject* obj);
 
  void setup();
 
  virtual void update();
 
  void update(CollisionObject* updated_obj);
 
  void update(const std::vector<CollisionObject*>& updated_objs);
 
  void clear();
 
  void getObjects(std::vector<CollisionObject*>& objs) const;
 
  void collide(CollisionObject* obj, CollisionCallBackBase* callback) const;
 
  void distance(CollisionObject* obj, DistanceCallBackBase* callback) const;
 
  void collide(CollisionCallBackBase* callback) const;
 
  void distance(DistanceCallBackBase* callback) const;
 
  void collide(BroadPhaseCollisionManager* other_manager,
               CollisionCallBackBase* callback) const;
 
  void distance(BroadPhaseCollisionManager* other_manager,
                DistanceCallBackBase* callback) const;
 
  bool empty() const;
 
  size_t size() const;
 
  static void computeBound(std::vector<CollisionObject*>& objs, Vec3s& l,
                           Vec3s& u);
 
 protected:
  bool collide_(CollisionObject* obj, CollisionCallBackBase* callback) const;
 
  bool distance_(CollisionObject* obj, DistanceCallBackBase* callback,
                 Scalar& min_dist) const;
 
  std::list<CollisionObject*> objs;
 
  std::list<CollisionObject*> objs_partially_penetrating_scene_limit;
 
  std::list<CollisionObject*> objs_outside_scene_limit;
 
  AABB scene_limit;
 
  std::map<CollisionObject*, AABB> obj_aabb_map;
 
  HashTable* hash_table;
 
 private:
  enum ObjectStatus { Inside, PartiallyPenetrating, Outside };
 
  template <typename Container>
  bool distanceObjectToObjects(CollisionObject* obj, const Container& objs,
                               DistanceCallBackBase* callback,
                               Scalar& min_dist) const;
};
 
}  // namespace coal
 
#include "coal/broadphase/broadphase_spatialhash-inl.h"
 
#endif