HaloOnlineLib.Resources.ResourceDataManager.Replace C# (CSharp) Method

        public void Replace(ResourceReference resource, Stream dataStream)
        {
            if (resource == null)
                throw new ArgumentNullException("resource");
            if (!dataStream.CanRead)
                throw new ArgumentException("The input stream is not open for reading", "dataStream");

            var cache = GetCache(resource);
            using (var stream = cache.File.Open(FileMode.Open, FileAccess.ReadWrite))
            {
                var dataSize = (int)(dataStream.Length - dataStream.Position);
                var data = new byte[dataSize];
                dataStream.Read(data, 0, dataSize);
                var compressedSize = cache.Cache.Compress(stream, resource.Index, data);
                resource.CompressedSize = compressedSize;
                resource.DecompressedSize = (uint)dataSize;
                resource.LocationFlags &= ~(ResourceLocationFlags.UseChecksum | ResourceLocationFlags.UseChecksum2);
            }
        }