Method DecompressFile

src/openrct2/ReplayManager.cpp:571–611

* Returns true if decompression was not needed or succeeded * @param stream * @return */

         * @return
         */
        MemoryStream DecompressFile(FileStream& fileStream)
        {
            ReplayRecordFile recFile;
            fileStream.SetPosition(0);
            DataSerialiser fileSerializer(false, fileStream);
            fileSerializer << recFile.magic;
            fileSerializer << recFile.version;

            if (recFile.version >= 2)
            {
                fileSerializer << recFile.uncompressedSize;
                fileSerializer << recFile.data;

                MemoryStream decompressed;
                bool decompressStatus = true;
                recFile.data.SetPosition(0);
                if (recFile.version <= 10)
                {
                    decompressStatus = Compression::zlibDecompress(
                        recFile.data, recFile.data.GetLength(), decompressed, recFile.uncompressedSize,
                        Compression::ZlibHeaderType::zlib);
                }
                else
                {
                    decompressStatus = Compression::zstdDecompress(
                        recFile.data, recFile.data.GetLength(), decompressed, recFile.uncompressedSize);
                }
                if (!decompressStatus)
                    throw IOException("Decompression Error");

                recFile.data = std::move(decompressed);
            }
            else
            {
                // Read whole file into memory
                fileStream.SetPosition(0);
                recFile.data.CopyFromStream(fileStream, fileStream.GetLength());
            }

            return recFile.data;
        }

        void ReadReplayData(const std::string& file, ReplayRecordData& data)
        {