pandemonium_engine_minimal/servers/physics_2d/broad_phase_2d_bvh.h

76 lines
2.7 KiB
C++

#ifndef BROAD_PHASE_2D_BVH_H
#define BROAD_PHASE_2D_BVH_H
/* broad_phase_2d_bvh.h */
#include "broad_phase_2d_sw.h"
#include "core/math/bvh.h"
#include "core/math/rect2.h"
#include "core/math/vector2.h"
class BroadPhase2DBVH : public BroadPhase2DSW {
template <class T>
class UserPairTestFunction {
public:
static bool user_pair_check(const T *p_a, const T *p_b) {
// return false if no collision, decided by masks etc
return p_a->test_collision_mask(p_b);
}
};
template <class T>
class UserCullTestFunction {
public:
static bool user_cull_check(const T *p_a, const T *p_b) {
return true;
}
};
enum Tree {
TREE_STATIC = 0,
TREE_DYNAMIC = 1,
};
enum TreeFlag {
TREE_FLAG_STATIC = 1 << TREE_STATIC,
TREE_FLAG_DYNAMIC = 1 << TREE_DYNAMIC,
};
BVH_Manager<CollisionObject2DSW, 2, true, 128, UserPairTestFunction<CollisionObject2DSW>, UserCullTestFunction<CollisionObject2DSW>, Rect2, Vector2> bvh;
static void *_pair_callback(void *p_self, uint32_t p_id_A, CollisionObject2DSW *p_object_A, int p_subindex_A, uint32_t p_id_B, CollisionObject2DSW *p_object_B, int p_subindex_B);
static void _unpair_callback(void *p_self, uint32_t p_id_A, CollisionObject2DSW *p_object_A, int p_subindex_A, uint32_t p_id_B, CollisionObject2DSW *p_object_B, int p_subindex_B, void *p_pair_data);
static void *_check_pair_callback(void *p_self, uint32_t p_id_A, CollisionObject2DSW *p_object_A, int p_subindex_A, uint32_t p_id_B, CollisionObject2DSW *p_object_B, int p_subindex_B, void *p_pair_data);
PairCallback pair_callback;
void *pair_userdata;
UnpairCallback unpair_callback;
void *unpair_userdata;
public:
// 0 is an invalid ID
virtual ID create(CollisionObject2DSW *p_object, int p_subindex = 0, const Rect2 &p_aabb = Rect2(), bool p_static = false);
virtual void move(ID p_id, const Rect2 &p_aabb);
virtual void recheck_pairs(ID p_id);
virtual void set_static(ID p_id, bool p_static);
virtual void remove(ID p_id);
virtual CollisionObject2DSW *get_object(ID p_id) const;
virtual bool is_static(ID p_id) const;
virtual int get_subindex(ID p_id) const;
virtual int cull_segment(const Vector2 &p_from, const Vector2 &p_to, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices = nullptr);
virtual int cull_aabb(const Rect2 &p_aabb, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices = nullptr);
virtual void set_pair_callback(PairCallback p_pair_callback, void *p_userdata);
virtual void set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata);
virtual void update();
static BroadPhase2DSW *_create();
BroadPhase2DBVH();
};
#endif // BROAD_PHASE_2D_BVH_H