/*************************************************************************/
/*  space_2d_sw.h                                                        */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#ifndef SPACE_2D_SW_H
#define SPACE_2D_SW_H

#include "typedefs.h"
#include "hash_map.h"
#include "body_2d_sw.h"
#include "area_2d_sw.h"
#include "body_pair_2d_sw.h"
#include "area_pair_2d_sw.h"
#include "broad_phase_2d_sw.h"
#include "collision_object_2d_sw.h"


class Physics2DDirectSpaceStateSW : public Physics2DDirectSpaceState {

	OBJ_TYPE( Physics2DDirectSpaceStateSW, Physics2DDirectSpaceState );
public:

	Space2DSW *space;

	bool intersect_ray(const Vector2& p_from, const Vector2& p_to,RayResult &r_result,const Set<RID>& p_exclude=Set<RID>(),uint32_t p_user_mask=0);
	int intersect_shape(const RID& p_shape, const Matrix32& p_xform,ShapeResult *r_results,int p_result_max,const Set<RID>& p_exclude=Set<RID>(),uint32_t p_user_mask=0);

	Physics2DDirectSpaceStateSW();
};



class Space2DSW {


	Physics2DDirectSpaceStateSW *direct_access;
	RID self;

	BroadPhase2DSW *broadphase;
	SelfList<Body2DSW>::List active_list;
	SelfList<Body2DSW>::List inertia_update_list;
	SelfList<Body2DSW>::List state_query_list;
	SelfList<Area2DSW>::List monitor_query_list;
	SelfList<Area2DSW>::List area_moved_list;

	static void* _broadphase_pair(CollisionObject2DSW *A,int p_subindex_A,CollisionObject2DSW *B,int p_subindex_B,void *p_self);
	static void _broadphase_unpair(CollisionObject2DSW *A,int p_subindex_A,CollisionObject2DSW *B,int p_subindex_B,void *p_data,void *p_self);

	Set<CollisionObject2DSW*> objects;

	Area2DSW *area;

	real_t contact_recycle_radius;
	real_t contact_max_separation;
	real_t contact_max_allowed_penetration;
	real_t constraint_bias;

	enum {

		INTERSECTION_QUERY_MAX=2048
	};

	CollisionObject2DSW *intersection_query_results[INTERSECTION_QUERY_MAX];
	int intersection_query_subindex_results[INTERSECTION_QUERY_MAX];

	float body_linear_velocity_sleep_treshold;
	float body_angular_velocity_sleep_treshold;
	float body_time_to_sleep;
	float body_angular_velocity_damp_ratio;

	bool locked;

friend class Physics2DDirectSpaceStateSW;

public:

	_FORCE_INLINE_ void set_self(const RID& p_self) { self=p_self; }
	_FORCE_INLINE_ RID get_self() const { return self; }

	void set_default_area(Area2DSW *p_area) { area=p_area; }
	Area2DSW *get_default_area() const { return area; }

	const SelfList<Body2DSW>::List& get_active_body_list() const;
	void body_add_to_active_list(SelfList<Body2DSW>* p_body);
	void body_remove_from_active_list(SelfList<Body2DSW>* p_body);
	void body_add_to_inertia_update_list(SelfList<Body2DSW>* p_body);
	void body_remove_from_inertia_update_list(SelfList<Body2DSW>* p_body);
	void area_add_to_moved_list(SelfList<Area2DSW>* p_area);
	void area_remove_from_moved_list(SelfList<Area2DSW>* p_area);
	const SelfList<Area2DSW>::List& get_moved_area_list() const;




	void body_add_to_state_query_list(SelfList<Body2DSW>* p_body);
	void body_remove_from_state_query_list(SelfList<Body2DSW>* p_body);

	void area_add_to_monitor_query_list(SelfList<Area2DSW>* p_area);
	void area_remove_from_monitor_query_list(SelfList<Area2DSW>* p_area);

	BroadPhase2DSW *get_broadphase();

	void add_object(CollisionObject2DSW *p_object);
	void remove_object(CollisionObject2DSW *p_object);
	const Set<CollisionObject2DSW*> &get_objects() const;

	_FORCE_INLINE_ real_t get_contact_recycle_radius() const { return contact_recycle_radius; }
	_FORCE_INLINE_ real_t get_contact_max_separation() const { return contact_max_separation; }
	_FORCE_INLINE_ real_t get_contact_max_allowed_penetration() const { return contact_max_allowed_penetration; }
	_FORCE_INLINE_ real_t get_constraint_bias() const { return constraint_bias; }
	_FORCE_INLINE_ real_t get_body_linear_velocity_sleep_treshold() const { return body_linear_velocity_sleep_treshold; }
	_FORCE_INLINE_ real_t get_body_angular_velocity_sleep_treshold() const { return body_angular_velocity_sleep_treshold; }
	_FORCE_INLINE_ real_t get_body_time_to_sleep() const { return body_time_to_sleep; }
	_FORCE_INLINE_ real_t get_body_angular_velocity_damp_ratio() const { return body_angular_velocity_damp_ratio; }


	void update();
	void setup();
	void call_queries();


	bool is_locked() const;
	void lock();
	void unlock();

	void set_param(Physics2DServer::SpaceParameter p_param, real_t p_value);
	real_t get_param(Physics2DServer::SpaceParameter p_param) const;

	Physics2DDirectSpaceStateSW *get_direct_state();

	Space2DSW();
	~Space2DSW();
};


#endif // SPACE_2D_SW_H