private static Map.CompressedData MakeCompressedData(MemoryStream input)
{
var cd = new Map.CompressedData();
using (var data = new MemoryStream())
{
input.Position = 0;
uint virtualOffset = 0;
uint realOffset = 4;
while (input.Position < input.Length)
{
var length = (uint)Math.Min(0x40000, input.Length - input.Position);
using (var block = new MemoryStream())
{
var zlib = new DeflaterOutputStream(block, new Deflater(9, false));
zlib.WriteFromStream(input, length);
zlib.Finish();
cd.Blocks.Add(new Map.CompressedData.Block()
{
VirtualOffset = virtualOffset,
FileOffset = realOffset,
IsCompressed = true,
});
block.Position = 0;
data.WriteFromStream(block, block.Length);
realOffset += (uint)block.Length;
}
virtualOffset += length;
}
data.Position = 0;
cd.Data = new byte[data.Length];
data.Read(cd.Data, 0, cd.Data.Length);
cd.Blocks.Add(new Map.CompressedData.Block()
{
VirtualOffset = virtualOffset,
FileOffset = realOffset,
IsCompressed = true,
});
}
return(cd);
}
public void Deserialize(Stream input, Endian endian)
{
var baseOffset = input.Position;
var magic = input.ReadValueU32(endian);
if (magic != 0x4D324346) // FC2M
{
throw new FormatException();
}
this.Version = input.ReadValueU32(endian);
if (this.Version != 1)
{
throw new FormatException();
}
uint offsetA = input.ReadValueU32(endian);
uint offsetB = input.ReadValueU32(endian);
uint offsetC = input.ReadValueU32(endian);
if (offsetA != 20)
{
throw new FormatException();
}
this.DAT = new CompressedData();
this.DAT.Deserialize(input, endian);
if (baseOffset + offsetB != input.Position)
{
throw new FormatException();
}
this.FAT = new CompressedData();
this.FAT.Deserialize(input, endian);
if (baseOffset + offsetC != input.Position)
{
throw new FormatException();
}
this.XML = new CompressedData();
this.XML.Deserialize(input, endian);
}
