godot/core/rid.h

/*************************************************************************/
/*  rid.h                                                                */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 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 RID_H
#define RID_H

#include "core/typedefs.h"

class RID_AllocBase;

class RID {
	friend class RID_AllocBase;
	uint64_t _id = 0;

public:
	_FORCE_INLINE_ bool operator==(const RID &p_rid) const {
		return _id == p_rid._id;
	}
	_FORCE_INLINE_ bool operator<(const RID &p_rid) const {
		return _id < p_rid._id;
	}
	_FORCE_INLINE_ bool operator<=(const RID &p_rid) const {
		return _id <= p_rid._id;
	}
	_FORCE_INLINE_ bool operator>(const RID &p_rid) const {
		return _id > p_rid._id;
	}
	_FORCE_INLINE_ bool operator!=(const RID &p_rid) const {
		return _id != p_rid._id;
	}
	_FORCE_INLINE_ bool is_valid() const { return _id != 0; }
	_FORCE_INLINE_ bool is_null() const { return _id == 0; }

	_FORCE_INLINE_ uint64_t get_id() const { return _id; }

	_FORCE_INLINE_ RID() {}
};

#endif // RID_H