int[] til byte[]

CSharp kode 

 public void Save(Boolean Override = false)
 {
     string path = "levels/" + name + ".lvl";
 
     try
     {
         if (!Directory.Exists("levels")) Directory.CreateDirectory("levels");
 
         if (changed == true || !File.Exists(path) || Override)
         {
             FileStream fs = File.Create(path);
             GZipStream gs = new GZipStream(fs, CompressionMode.Compress);
 
             byte[] header = new byte[16];
             BitConverter.GetBytes(1874).CopyTo(header, 0);
             gs.Write(header, 0, 2);
 
             BitConverter.GetBytes(width).CopyTo(header, 0);
             BitConverter.GetBytes(height).CopyTo(header, 2);
             BitConverter.GetBytes(depth).CopyTo(header, 4);
             BitConverter.GetBytes(spawnx).CopyTo(header, 6);
             BitConverter.GetBytes(spawnz).CopyTo(header, 8);
             BitConverter.GetBytes(spawny).CopyTo(header, 10);
             header[12] = rotx; header[13] = roty;
             header[14] = (byte)permissionvisit;
             header[15] = (byte)permissionbuild;
             gs.Write(header, 0, header.Length);
             byte[] level = new byte[blocks.Length];
             for (int i = 0; i < blocks.Length; ++i)
             {
                 if (blocks[i] < 80)
                 {
                     level[i] = blocks[i]; //her sker fejlen
                             //gs.Write skal bruge byte[] og blocks[] er en int[],
                             //blocks kan ikke ændres til byte[]
                             //da den indeholder værdiger over 255, som 377
                 }
                 else
                 {
                     level[i] = Block.SaveConvert(blocks[i]);
                 }
             } gs.Write(level, 0, level.Length); gs.Close();
             fs.Close();
 
             Server.s.Log("SAVED: Level \"" + name + "\". " + Player.players.Count + "/" + Server.players);
             changed = false;
             try
             {
                 File.Copy(path, path + ".backup", true);
                 Server.s.Log("And backed up");
             }
             catch
             {
                 Server.s.Log("Failed to make backup");
             }
 
             fs.Dispose();
             gs.Dispose();
         }
         else
         {
             Server.s.Log("Skipping level save for " + name + ".");
         }
     }
     catch
     {
         Server.s.Log("FAILED TO SAVE :" + name);
         Player.GlobalMessage("FAILED TO SAVE :" + name);
         return;
     }
 
     GC.Collect();
     GC.WaitForPendingFinalizers();
 }

CSharp kode 

 BitConverter.GetBytes(blocks[i]).CopyTo(level,i);