pandemonium_engine/modules/network_synchronizer/bit_array.h

#ifndef BITARRAY_H
#define BITARRAY_H

/*************************************************************************/
/*  bit_array.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.                 */
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/*************************************************************************/

/**
	@author AndreaCatania
*/

#include "core/variant/variant.h"

class BitArray {
	PoolByteArray bytes;

public:
	BitArray() = default;
	BitArray(uint32_t p_initial_size_in_bit);
	BitArray(const PoolByteArray &p_bytes);

	const PoolByteArray &get_bytes() const {
		return bytes;
	}

	PoolByteArray &get_bytes_mut() {
		return bytes;
	}

	void resize_in_bytes(int p_bits);
	int size_in_bytes() const;

	void resize_in_bits(int p_bits);
	int size_in_bits() const;

	void store_bits(int p_bit_offset, uint64_t p_value, int p_bits);
	uint64_t read_bits(int p_bit_offset, int p_bits) const;

	// Puts all the bytes to 0.
	void zero();
};

#endif