/*************************************************************************/
/*  ik.h                                                                 */
/* Copyright (c) 2016 Sergey Lapin <slapinid@gmail.com>                  */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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/* 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    */
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/*************************************************************************/
#ifndef IK_H
#define IK_H

#include "scene/3d/skeleton.h"
class InverseKinematics : public Spatial {
	OBJ_TYPE(InverseKinematics, Spatial);
	bool bound;
	String ik_bone;
	int ik_bone_no;
	int tail_bone;
	int chain_size;
	Skeleton *skel;
	List<int> chain;
	void _check_bind();
	void _check_unbind();
	int iterations;
	float precision;
	float speed;
	bool changed;

protected:
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;

	void _notification(int p_what);
	static void _bind_methods();
	void update_parameters();

public:
	Skeleton *get_skeleton();
	void set_bone_name(const String &p_name);
	String get_bone_name() const;
	void set_iterations(int itn);
	int get_iterations() const;
	void set_chain_size(int cs);
	int get_chain_size() const;
	void set_precision(float p);
	float get_precision() const;
	void set_speed(float p);
	float get_speed() const;
	InverseKinematics();
};

#endif