public static MapFormatHelper FromMap(AowMap map)
{
MapFormatHelper helper = new MapFormatHelper();
helper.ModID = map.ModID;
helper.MapClassID = map.ClassID;
helper.HeaderStream = new MemoryStream();
_headerSerializer.Serialize(helper.HeaderStream, map.PreviewHeader);
helper._dataStream = new Lazy <Stream>(() => new MemoryStream());
_mapSerializer.Serialize(helper.DataStream, map);
return(helper);
}
public static MapFormatHelper FromStream(Stream inputStream)
{
MapFormatHelper helper = new MapFormatHelper();
BinaryReader reader = new BinaryReader(inputStream);
// Signature1
int signature1 = reader.ReadInt32();
ValidateSignature(_signature1, signature1, inputStream.Position - sizeof(int));
// Signature 2
int signature2 = reader.ReadInt32();
// Header length, IDs
inputStream.Position += 4; // always 0
int headerLength = reader.ReadInt32();
helper.ModID = reader.ReadInt32();
helper.MapClassID = reader.ReadInt32();
// Header stream
helper.HeaderStream = new MemoryStream();
inputStream.CopyBytesTo(helper.HeaderStream, headerLength);
// CFS signature
ValidateSignature(reader, _signatureCFS);
// Data stream
helper._dataStream = new Lazy <Stream>(
() =>
{
MemoryStream dataStream = new MemoryStream();
using (ZlibStream zlib = new ZlibStream(inputStream, CompressionMode.Decompress))
{
zlib.CopyTo(dataStream);
}
return(dataStream);
});
return(helper);
}