/**************************************************************************/
/*  navigation_link_2d.h                                                  */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* 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  */
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/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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/**************************************************************************/

#ifndef NAVIGATION_LINK_2D_H
#define NAVIGATION_LINK_2D_H

#include "scene/2d/node_2d.h"

class NavigationLink2D : public Node2D {
	GDCLASS(NavigationLink2D, Node2D);

	bool enabled = true;
	RID link;
	RID map_override;
	bool bidirectional = true;
	uint32_t navigation_layers = 1;
	Vector2 end_position;
	Vector2 start_position;
	real_t enter_cost = 0.0;
	real_t travel_cost = 1.0;

	Transform2D current_global_transform;

#ifdef DEBUG_ENABLED
	void _update_debug_mesh();
#endif // DEBUG_ENABLED

protected:
	static void _bind_methods();
	void _notification(int p_what);

#ifndef DISABLE_DEPRECATED
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
#endif // DISABLE_DEPRECATED

public:
#ifdef DEBUG_ENABLED
	virtual Rect2 _edit_get_rect() const override;
	virtual bool _edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const override;
#endif // DEBUG_ENABLED
	RID get_rid() const;

	void set_enabled(bool p_enabled);
	bool is_enabled() const { return enabled; }

	void set_navigation_map(RID p_navigation_map);
	RID get_navigation_map() const;

	void set_bidirectional(bool p_bidirectional);
	bool is_bidirectional() const { return bidirectional; }

	void set_navigation_layers(uint32_t p_navigation_layers);
	uint32_t get_navigation_layers() const { return navigation_layers; }

	void set_navigation_layer_value(int p_layer_number, bool p_value);
	bool get_navigation_layer_value(int p_layer_number) const;

	void set_start_position(Vector2 p_position);
	Vector2 get_start_position() const { return start_position; }

	void set_end_position(Vector2 p_position);
	Vector2 get_end_position() const { return end_position; }

	void set_global_start_position(Vector2 p_position);
	Vector2 get_global_start_position() const;

	void set_global_end_position(Vector2 p_position);
	Vector2 get_global_end_position() const;

	void set_enter_cost(real_t p_enter_cost);
	real_t get_enter_cost() const { return enter_cost; }

	void set_travel_cost(real_t p_travel_cost);
	real_t get_travel_cost() const { return travel_cost; }

	PackedStringArray get_configuration_warnings() const override;

	NavigationLink2D();
	~NavigationLink2D();

private:
	void _link_enter_navigation_map();
	void _link_exit_navigation_map();
	void _link_update_transform();
};

#endif // NAVIGATION_LINK_2D_H