Initial Commit.

FFXIVClassic Map Server/common/Utils.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Lobby_Server.common
+{
+    static class Utils
+    {
+        private static readonly uint[] _lookup32 = CreateLookup32();
+
+        private static uint[] CreateLookup32()
+        {
+            var result = new uint[256];
+            for (int i = 0; i < 256; i++)
+            {
+                string s = i.ToString("X2");
+                result[i] = ((uint)s[0]) + ((uint)s[1] << 16);
+            }
+            return result;
+        }
+
+        public static string ByteArrayToHex(byte[] bytes)
+        {
+            var lookup32 = _lookup32;
+            var result = new char[(bytes.Length * 3) + ((bytes.Length/16) < 1 ? 1 : (bytes.Length/16)*3) + bytes.Length+60];
+            int numNewLines = 0;
+            for (int i = 0; i < bytes.Length; i++)
+            {
+                var val = lookup32[bytes[i]];
+                result[(3 * i) + (17 * numNewLines) + 0] = (char)val;
+                result[(3 * i) + (17 * numNewLines) + 1] = (char)(val >> 16);
+                result[(3 * i) + (17 * numNewLines) + 2] = ' ';
+
+                result[(numNewLines * (3*16+17)) + (3 * 16) + (i % 16)] = (char)bytes[i] >= 32 && (char)bytes[i] <= 126 ? (char)bytes[i] : '.';
+                
+                if (i != bytes.Length - 1 && bytes.Length > 16 && i != 0 && (i+1) % 16 == 0)
+                {
+                    result[(numNewLines * (3*16+17)) + (3 * 16) + (16)] = '\n';
+                    numNewLines++;
+                }
+               
+            }
+            return new string(result);
+        }
+
+        public static UInt32 UnixTimeStampUTC()
+        {
+            UInt32 unixTimeStamp;
+            DateTime currentTime = DateTime.Now;
+            DateTime zuluTime = currentTime.ToUniversalTime();
+            DateTime unixEpoch = new DateTime(1970, 1, 1);
+            unixTimeStamp = (UInt32)(zuluTime.Subtract(unixEpoch)).TotalSeconds;
+            return unixTimeStamp;
+        }
+
+    }
+}