Core: use span<T> to cut down on array copys

2018-12-24 01:02:49 -05:00
parent 581d0fd1ff
commit 40564a73ce
6 changed files with 32 additions and 24 deletions
@@ -17,6 +17,7 @@

 using System.Linq;
 using System.Security.Cryptography;
+using System;

 namespace Game
 {
@@ -25,12 +26,13 @@ namespace Game
        public SHA1Randx(byte[] buff)
        {
            int halfSize = buff.Length / 2;
+            Span<byte> span = buff;

            sh = SHA1.Create();
            o1 = sh.ComputeHash(buff, 0, halfSize);

            sh = SHA1.Create();
-            o2 = sh.ComputeHash(buff.Skip(halfSize).ToArray(), 0, buff.Length - halfSize);
+            o2 = sh.ComputeHash(span.Slice(halfSize).ToArray(), 0, buff.Length - halfSize);

            FillUp();
        }