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/*************************************************************************/
/*  godot_constraint_2d.h                                                */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* 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 GODOT_CONSTRAINT_2D_H
#define GODOT_CONSTRAINT_2D_H

#include "godot_body_2d.h"

class GodotConstraint2D {
	GodotBody2D **_body_ptr;
	int _body_count;
	uint64_t island_step = 0;
	bool disabled_collisions_between_bodies = true;

	RID self;

protected:
	GodotConstraint2D(GodotBody2D **p_body_ptr = nullptr, int p_body_count = 0) {
		_body_ptr = p_body_ptr;
		_body_count = p_body_count;
	}

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

	_FORCE_INLINE_ uint64_t get_island_step() const { return island_step; }
	_FORCE_INLINE_ void set_island_step(uint64_t p_step) { island_step = p_step; }

	_FORCE_INLINE_ GodotBody2D **get_body_ptr() const { return _body_ptr; }
	_FORCE_INLINE_ int get_body_count() const { return _body_count; }

	_FORCE_INLINE_ void disable_collisions_between_bodies(const bool p_disabled) { disabled_collisions_between_bodies = p_disabled; }
	_FORCE_INLINE_ bool is_disabled_collisions_between_bodies() const { return disabled_collisions_between_bodies; }

	virtual bool setup(real_t p_step) = 0;
	virtual bool pre_solve(real_t p_step) = 0;
	virtual void solve(real_t p_step) = 0;

	virtual ~GodotConstraint2D() {}
};

#endif // GODOT_CONSTRAINT_2D_H