/*************************************************************************/
/*  godot_broad_phase_2d.h                                               */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
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#ifndef GODOT_BROAD_PHASE_2D_H
#define GODOT_BROAD_PHASE_2D_H

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

class GodotCollisionObject2D;

class GodotBroadPhase2D {
public:
	typedef GodotBroadPhase2D *(*CreateFunction)();

	static CreateFunction create_func;

	typedef uint32_t ID;

	typedef void *(*PairCallback)(GodotCollisionObject2D *A, int p_subindex_A, GodotCollisionObject2D *B, int p_subindex_B, void *p_userdata);
	typedef void (*UnpairCallback)(GodotCollisionObject2D *A, int p_subindex_A, GodotCollisionObject2D *B, int p_subindex_B, void *p_data, void *p_userdata);

	// 0 is an invalid ID
	virtual ID create(GodotCollisionObject2D *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 set_static(ID p_id, bool p_static) = 0;
	virtual void remove(ID p_id) = 0;

	virtual GodotCollisionObject2D *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, GodotCollisionObject2D **p_results, int p_max_results, int *p_result_indices = nullptr) = 0;
	virtual int cull_aabb(const Rect2 &p_aabb, GodotCollisionObject2D **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 ~GodotBroadPhase2D();
};

#endif // GODOT_BROAD_PHASE_2D_H