Cyber/Assets/Scripts/Networking/NetworkHelper.cs

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2.3 KiB
C#
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using System;
using UnityEngine;
namespace Cyber.Networking {
/// <summary>
/// Class that contains a few functions to help de/serialize some arrays.
/// </summary>
public class NetworkHelper {
/// <summary>
/// Divides an int-array into four byte-arrays.
/// </summary>
/// <param name="intArray">Int-array to divide</param>
/// <returns>Four byte-arrays</returns>
public static byte[][] SerializeIntArray(int[] intArray) {
byte[][] ByteArray = new byte[4][];
for (int i = 0; i < 4; i++) {
ByteArray[i] = new byte[intArray.Length];
}
for (int top = 0; top < 4; top++) {
for (int i = 0; i < intArray.Length; i++) {
byte B = (byte) ((intArray[i] & (0xFF << (top * 8))) >> (top * 8));
ByteArray[top][i] = B;
}
}
return ByteArray;
}
/// <summary>
/// Deserializes an int-array from four byte-arrays
/// </summary>
/// <param name="byteArray">Four byte arrays</param>
/// <returns>An int array</returns>
public static int[] DeserializeIntArray(byte[][] byteArray) {
if (byteArray.GetLength(0) != 4) {
throw new ArgumentException("Specified byte-array is invalid (First dimension should be of length 4).");
} else if (byteArray.Length <= 0 || byteArray[0] == null) {
return new int[0];
}
int[] IntArray = new int[byteArray[0].Length];
for (int i = 0; i < byteArray[0].Length; i++) {
int I = byteArray[0][i] + (byteArray[1][i] << 8) + (byteArray[2][i] << 16) + (byteArray[3][i] << 24);
IntArray[i] = I;
}
return IntArray;
}
2017-05-09 07:15:24 +02:00
/// <summary>
/// Returns the current system time in seconds.
/// </summary>
/// <returns>The system time in seconds.</returns>
public static double GetCurrentSystemTime() {
return DateTime.Now.ToUniversalTime().Subtract(
new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc))
.TotalMilliseconds * 1.0 / 1000;
}
}
}