Add padding method in MemoryStream

Hack.Xenosaga/Common/Extension.cs

@@ -40,5 +40,21 @@ namespace Hack.Xenosaga.Common
 
             return value;
         }
+
+        /// <summary>
+        /// Pad a MemoryStream with a byte
+        /// </summary>
+        /// <param name="modulo">Modulo to use for the padding (default: 4)</param>
+        /// <param name="value">Value of the byte (default: 0)</param>
+        public static void Padding(this MemoryStream ms, int modulo = 4, byte value = 0)
+        {
+            long size = ms.Length;
+
+            while (size % modulo != 0)
+            {
+                ms.WriteByte(value);
+                size++;
+            }
+        }
     }
 }