#ifndef GSAI_AVOID_COLLISIONS_H
#define GSAI_AVOID_COLLISIONS_H

/*************************************************************************/
/*  gsai_avoid_collisions.h                                              */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 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,  */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include "core/object/reference.h"

#include "../gsai_group_behavior.h"

class GSAITargetAcceleration;
class GSAISteeringAgent;

class GSAIAvoidCollisions : public GSAIGroupBehavior {
	GDCLASS(GSAIAvoidCollisions, GSAIGroupBehavior);

public:
	void _calculate_steering(Ref<GSAITargetAcceleration> acceleration);
	bool _report_neighbor(Ref<GSAISteeringAgent> neighbor);

	GSAIAvoidCollisions();
	~GSAIAvoidCollisions();

protected:
	static void _bind_methods();

	Ref<GSAISteeringAgent> _first_neighbor;
	float _shortest_time;
	float _first_minimum_separation;
	float _first_distance;
	Vector3 _first_relative_position;
	Vector3 _first_relative_velocity;
};

#endif