protected NomadObject ReadMapData(BinaryStream stream)
{
var check = stream.ReadInt32();
var result = new NomadObject()
{
Id = "FCXMapData"
};
if (check != 0x26)
{
// non-editor map?
stream.Position -= 4;
UID = stream.Read <Guid>();
ReadPadding(stream, 1);
Version = 0;
IsUserMap = false;
}
else
{
var magic = stream.ReadInt32();
if (magic != MGX_MAPDATA)
{
throw new InvalidDataException("Invalid FCX map data -- bad data magic!");
}
Version = check;
IsUserMap = true;
ReadPadding(stream, 3);
MetaData = ReadFCBChunk(stream, result);
ConfigData = ReadFCBChunk(stream, result);
ReadPadding(stream, 5);
var thumbSize = stream.ReadInt32();
if (thumbSize > 0)
{
ThumbData = stream.ReadBytes(thumbSize);
}
ReadPadding(stream, 1);
}
var mapSize = (int)(stream.Length - stream.Position);
MapData = stream.ReadBytes(mapSize);
return(result);
}
public void Serialize(BinaryStream stream, int baseOffset = 0)
{
if (Type == DataType.RML)
{
throw new InvalidOperationException("Cannot serialize RML data directly!");
}
var ptr = (int)stream.Position;
var oldSize = Size;
if (Size > 0)
{
var writeData = true;
if (CanBeCached)
{
if (WriteCache.IsCached(this))
{
var cache = WriteCache.GetData(this);
if (cache.Size == Size)
{
stream.Position = (cache.Offset + 1);
var buf = stream.ReadBytes(cache.Size);
var key = Memory.GetCRC32(Buffer);
var bufKey = Memory.GetCRC32(buf);
stream.Position = ptr;
// slow as f**k, but there's no room for error
if (key == bufKey)
{
var nD = DescriptorTag.CreateReference(cache.Offset, ReferenceType.Offset);
nD.WriteTo(stream, baseOffset);
writeData = false;
}
}
}
else
{
WriteCache.Cache(ptr, this);
}
}
if (writeData)
{
var nD = DescriptorTag.Create(Size);
nD.WriteTo(stream, baseOffset);
stream.Write(Buffer);
}
}
else
{
// nothing to write!
stream.WriteByte(0);
}
}
public byte[] Unpack()
{
var memory = new BinaryStream(1024);
using (var bs = new BinaryStream(Data))
{
for (int i = 1; i < Blocks.Count; i++)
{
var block = Blocks[i - 1];
var next = Blocks[i];
var size = (int)(next.VirtualOffset - block.VirtualOffset);
bs.Seek(block.FileOffset - 4, SeekOrigin.Begin);
memory.Seek(block.VirtualOffset, SeekOrigin.Begin);
if (block.IsCompressed == true)
{
var zlib = new InflaterInputStream(bs);
zlib.CopyTo(memory);
}
else
{
var buffer = bs.ReadBytes(size);
memory.Write(buffer, 0, size);
}
}
}
return(memory.ToArray());
}
public void Deserialize(BinaryStream input)
{
LastSortedCRC = input.ReadInt32();
CompressedSize = input.ReadInt32();
DecompressedSize = input.ReadInt32();
CompressedBytes = input.ReadBytes(CompressedSize);
}
public static FCXCompressedData Pack(BinaryStream stream)
{
var compressedData = new FCXCompressedData();
using (var bs = new BinaryStream(1024))
{
uint virtualOffset = 0;
uint realOffset = 4;
while (stream.Position < stream.Length)
{
var length = (int)Math.Min(0x40000, (stream.Length - stream.Position));
using (var block = new BinaryStream(16))
{
var zlib = new DeflaterOutputStream(block);
var buffer = stream.ReadBytes(length);
zlib.Write(buffer, 0, length);
zlib.Finish();
compressedData.Blocks.Add(new Block()
{
VirtualOffset = virtualOffset,
FileOffset = realOffset,
IsCompressed = true,
});
block.Position = 0;
block.CopyTo(bs);
realOffset += (uint)block.Length;
}
virtualOffset += (uint)length;
}
compressedData.Data = bs.ToArray();
compressedData.Blocks.Add(new Block()
{
VirtualOffset = virtualOffset,
FileOffset = realOffset,
IsCompressed = true,
});
}
return(compressedData);
}
public XElement CreateXmlElement(NomadObject obj, XElement parent = null)
{
Context.State = ContextStateType.Object;
Context.ObjectIndex++;
var name = XName.Get(obj.Id);
var elem = new XElement(name);
if (parent != null)
{
parent.Add(elem);
}
foreach (var attr in obj.Attributes)
{
if (attr.Id == "RML_DATA")
{
using (var bs = new BinaryStream(attr.Data.Buffer))
{
var rmlSize = bs.ReadInt32();
var rmlBuffer = bs.ReadBytes(rmlSize);
using (var rs = new BinaryStream(rmlBuffer))
{
var rmlData = new NomadRmlSerializer();
var rml = rmlData.Deserialize(rs);
var rmlRoot = new XElement("RML_DATA");
var rmlElem = CreateXmlElement(rml, rmlRoot);
elem.Add(rmlRoot);
}
}
}
else
{
CreateXmlAttribute(attr, elem);
}
}
foreach (var child in obj.Children)
{
CreateXmlElement(child, elem);
}
return(elem);
}
protected NomadObject ReadFCBChunk(BinaryStream stream, NomadObject parent)
{
var fcbSize = stream.ReadInt32();
var fcbData = stream.ReadBytes(fcbSize);
using (var bs = new BinaryStream(fcbData))
{
var serializer = new NomadResourceSerializer();
var root = serializer.Deserialize(bs);
if (parent != null)
{
parent.Children.Add(root);
}
return(root);
}
}
protected NomadObject ReadObject_FmtA(BinaryStream stream, NomadObject parent = null)
{
Context.State = ContextStateType.Object;
Context.ObjectIndex++;
var ptr = (int)stream.Position;
var nChildren = DescriptorTag.Read(stream, ReferenceType.Index);
if (nChildren.Type == DescriptorType.Reference)
{
throw new InvalidOperationException("Cannot deserialize an object reference directly!");
}
var hash = stream.ReadInt32();
var id = StringId.Parse(hash);
var result = new NomadObject(id);
Context.AddRef(result, ptr);
if (result.IsRml)
{
var next = DescriptorTag.Read(stream, ReferenceType.Index);
var rmlBase = (int)stream.Position;
var rmlSize = stream.ReadInt32();
var rmlBuffer = stream.ReadBytes(rmlSize);
using (var bs = new BinaryStream(rmlBuffer))
{
var rmlData = new NomadRmlSerializer();
var rml = rmlData.Deserialize(bs);
result.Children.Add(rml);
}
stream.Position = (rmlBase + next);
}
else
{
var nAttrs = DescriptorTag.Read(stream, ReferenceType.Index);
for (int i = 0; i < nAttrs; i++)
{
ReadAttribute_FmtA(stream, result);
}
for (int i = 0; i < nChildren; i++)
{
var cP = (int)stream.Position;
var cD = DescriptorTag.Read(stream, ReferenceType.Index);
// rip
if (cD.IsIndex)
{
var idx = cD.Value;
var childRef = Context.GetRefByIdx(idx) as NomadObject;
result.Children.Add(childRef);
}
else
{
// move back
stream.Position = cP;
ReadObject_FmtA(stream, result);
}
}
}
if (parent != null)
{
parent.Children.Add(result);
}
return(result);
}