public void Inject(WpdEntry entry, Stream input, Lazy <Stream> headers, Lazy <Stream> content, Byte[] buff)
        {
            int sourceSize = (int)input.Length;

            headers.Value.Position = entry.Offset;

            SectionHeader sectionHeader = headers.Value.ReadContent <SectionHeader>();
            VtexHeader    textureHeader = headers.Value.ReadContent <VtexHeader>();

            byte[] unknownData = new byte[textureHeader.GtexOffset - VtexHeader.Size];
            headers.Value.Read(unknownData, 0, unknownData.Length);

            GtexData data = headers.Value.ReadContent <GtexData>();

            if (data.MipMapData.Length != 1)
            {
                throw new NotImplementedException();
            }

            DdsHeader ddsHeader = DdsHeaderDecoder.FromFileStream(input);

            DdsHeaderEncoder.ToGtexHeader(ddsHeader, data.Header);

            GtexMipMapLocation mipMapLocation = data.MipMapData[0];
            int dataSize = sourceSize - 128;

            if (dataSize <= mipMapLocation.Length)
            {
                content.Value.Seek(mipMapLocation.Offset, SeekOrigin.Begin);
            }
            else
            {
                content.Value.Seek(0, SeekOrigin.End);
                mipMapLocation.Offset = (int)content.Value.Position;
            }

            input.CopyToStream(content.Value, dataSize, buff);
            mipMapLocation.Length = dataSize;

            using (MemoryStream ms = new MemoryStream(180))
            {
                sectionHeader.WriteToStream(ms);
                textureHeader.WriteToStream(ms);

                ms.Write(unknownData, 0, unknownData.Length);
                data.WriteToStream(ms);

                ms.SetPosition(0);

                DefaultWpdEntryInjector defaultInjector = new DefaultWpdEntryInjector();
                defaultInjector.Inject(entry, ms, headers, content, buff);
            }
        }
        public void Extract(WpdEntry entry, Stream output, Lazy <Stream> headers, Lazy <Stream> content, Byte[] buff)
        {
            headers.Value.Position = entry.Offset;

            SectionHeader sectionHeader = headers.Value.ReadContent <SectionHeader>();
            TextureHeader textureHeader = headers.Value.ReadContent <TextureHeader>();
            GtexData      gtex          = headers.Value.ReadContent <GtexData>();

            DdsHeader header = DdsHeaderDecoder.FromGtexHeader(gtex.Header);

            DdsHeaderEncoder.ToFileStream(header, output);

            foreach (GtexMipMapLocation mipMap in gtex.MipMapData)
            {
                content.Value.Position = mipMap.Offset;
                content.Value.CopyToStream(output, mipMap.Length, buff);
            }
        }