#ifndef BROAD_PHASE_2D_SW_H
#define BROAD_PHASE_2D_SW_H

/*  broad_phase_2d_sw.h                                                  */


#include "core/math/math_funcs.h"
#include "core/math/rect2.h"

class CollisionObject2DSW;

class BroadPhase2DSW {
public:
	typedef BroadPhase2DSW *(*CreateFunction)();

	static CreateFunction create_func;

	typedef uint32_t ID;

	typedef void *(*PairCallback)(CollisionObject2DSW *p_object_A, int p_subindex_A, CollisionObject2DSW *p_object_B, int p_subindex_B, void *p_pair_data, void *p_user_data);
	typedef void (*UnpairCallback)(CollisionObject2DSW *p_object_A, int p_subindex_A, CollisionObject2DSW *p_object_B, int p_subindex_B, void *p_pair_data, void *p_user_data);

	// 0 is an invalid ID
	virtual ID create(CollisionObject2DSW *p_object_, int p_subindex = 0, const Rect2 &p_aabb = Rect2(), bool p_static = false) = 0;
	virtual void move(ID p_id, const Rect2 &p_aabb) = 0;
	virtual void recheck_pairs(ID p_id) = 0;
	virtual void set_static(ID p_id, bool p_static) = 0;
	virtual void remove(ID p_id) = 0;

	virtual CollisionObject2DSW *get_object(ID p_id) const = 0;
	virtual bool is_static(ID p_id) const = 0;
	virtual int get_subindex(ID p_id) const = 0;

	virtual int cull_segment(const Vector2 &p_from, const Vector2 &p_to, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices = nullptr) = 0;
	virtual int cull_aabb(const Rect2 &p_aabb, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices = nullptr) = 0;

	virtual void set_pair_callback(PairCallback p_pair_callback, void *p_userdata) = 0;
	virtual void set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata) = 0;

	virtual void update() = 0;

	virtual ~BroadPhase2DSW();
};

#endif // BROAD_PHASE_2D_SW_H