/*************************************************************************/
/*  listener.h                                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 LISTENER_H
#define LISTENER_H


#include "scene/3d/spatial.h"
#include "scene/main/viewport.h"

class Listener : public Spatial {

	GDCLASS(Listener, Spatial);
private:

	bool force_change;
	bool current;

	RID scenario_id;

	virtual bool _can_gizmo_scale() const;
	virtual RES _get_gizmo_geometry() const;

friend class Viewport;
	void _update_audio_listener_state();
protected:

	void _update_listener();
	virtual void _request_listener_update();

	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();

public:

	void make_current();
	void clear_current();
	bool is_current() const;

	virtual Transform get_listener_transform() const;

	void set_visible_layers(uint32_t p_layers);
	uint32_t get_visible_layers() const;

	Vector<Plane> get_frustum() const;

	Listener();
	~Listener();

};

#endif