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 Deserialize(BinaryStream stream)
{
var offset = stream.ReadInt32();
var length = offset - 4;
Data = new byte[length];
if (stream.Read(Data, 0, length) != length)
{
throw new FormatException();
}
var blockCount = stream.ReadInt32();
Blocks = new List <Block>();
for (int i = 0; i < blockCount; i++)
{
var block = new Block()
{
VirtualOffset = stream.ReadUInt32(),
FileOffset = stream.ReadUInt32(),
};
block.IsCompressed = (block.FileOffset & 0x80000000) != 0;
block.FileOffset &= 0x7FFFFFFF;
Blocks.Add(block);
}
if (Blocks.Count == 0)
{
throw new FormatException();
}
if (Blocks.First().FileOffset != 4)
{
throw new FormatException();
}
if (Blocks.Last().FileOffset != (4 + length))
{
throw new FormatException();
}
}
public void Deserialize(BinaryStream stream)
{
var ptr = (int)stream.Position;
var nD = DescriptorTag.Read(stream, ReferenceType.Offset);
if (nD.IsOffset)
{
stream.Position = nD.Value;
Deserialize(stream);
// move past offset
stream.Position = (ptr + nD.Size);
}
else
{
var size = nD.Value;
Buffer = new byte[size];
stream.Read(Buffer, 0, size);
}
}
public unsafe void Deserialize(BinaryStream stream)
{
var buffer = new byte[0x24];
var len = stream.Read(buffer, 0, buffer.Length);
IsValid = (len != 0);
if (!IsValid)
return;
fixed(byte *ptr = buffer)
{
IsNomad = (*(int *)ptr == Nomad.Magic);
if (!IsNomad)
{
// rml hacks
if (*(short *)ptr == 0x00)
{
IsNomad = true;
// allow the filters to do their job
RootId = "RML_DATA";
Version = 1;
return;
}
if ((*(int *)ptr == FCXMapSerializer.MGX_CONTAINER) ||
(*(int *)(ptr + 0x14) == FCXMapArchive.Signature))
{
IsNomad = true;
RootId = "FCXMapData";
Version = 2;
return;
}
Offset = 2;
while (*(int *)(ptr + Offset) != Nomad.Magic)
{
Offset += 2;
if (Offset >= buffer.Length)
{
Offset = -1;
break;
}
}
// doesn't seem to be a nomad resource
if (Offset == -1)
{
return;
}
// found the nomad header
IsNomad = true;
}
var dataPtr = (ptr + Offset);
switch (Offset)
{
// 'reference' files?
case 0x2:
if (*(ushort *)ptr == 0x8BF2)
{
HasExternalRef = true;
}
break;
// sequence?
//case 0x14:
// todo
}
if (IsNomad)
{
var version = *(short *)(dataPtr + 4);
Flags = *(short *)(dataPtr + 6);
Version = version & 0xFF;
VersionFlags = (version >> 8) & 0xFF;
// validate EntityLibrary
if (Version == 5)
{
if (VersionFlags != 0x40)
{
throw new InvalidDataException("Malformed EntityLibrary data!");
}
}
NumObjects = *(int *)(dataPtr + 8);
NumSubObjects = *(int *)(dataPtr + 12);
NumChildren = *(dataPtr + 16);
if (NumChildren < 254)
{
RootId = *(int *)(dataPtr + 17);
}
else
{
NumChildren = *(int *)(dataPtr + 17);
RootId = *(int *)(dataPtr + 21);
}
}
}
}
public void SaveBinary(string filename)
{
var root = GetNodeClass();
byte[] buffer;
Debug.WriteLine(">> Generating binary data...");
using (var stream = new BinaryStream(BufferSize))
{
// list of references sorted by their UID
var references = GetEntityReferences(true);
// we need to write the offset to our infos here
Debug.WriteLine(">> Writing infos header...");
var ptr = stream.Position;
stream.Position += 4;
stream.Write(references.Count);
Debug.WriteLine(">> Writing FCB header...");
stream.Write((int)Magic);
stream.Write((short)Type);
stream.Write((short)MagicNumber.FB); // ;)
var nodesCount = Utils.GetTotalNumberOfNodes(root);
var attrCount = root.Attributes.Count;
if (attrCount == 0)
{
attrCount = 1;
}
var totalCount = (nodesCount + attrCount);
stream.Write(totalCount);
stream.Write(nodesCount);
root.Serialize(stream);
//Debug.WriteLine(">> Optimizing data...");
//using (var bs = new BinaryStream(BufferSize))
//{
// root.Serialize(bs);
//
// var dataLen = bs.Position;
// bs.SetLength(dataLen);
//
// var data = OptimizedData.Create(nodesCount, bs.ToArray());
// data.WriteTo(stream);
//}
var refsOffset = (int)(Memory.Align(stream.Position, 8) - ptr);
Debug.WriteLine(">> Writing infos offset...");
stream.Position = ptr;
stream.Write(refsOffset);
Debug.WriteLine(">> Writing infos...");
stream.Position = refsOffset;
foreach (var reference in references)
{
var refData = new EntityReferenceData(reference)
{
Use32Bit = Use32Bit,
};
refData.Serialize(stream);
}
var size = (int)stream.Position;
buffer = new byte[size];
Debug.WriteLine(">> Copying to buffer...");
stream.Position = 0;
stream.Read(buffer, 0, size);
}
Debug.WriteLine(">> Writing to file...");
File.WriteAllBytes(filename, buffer);
}
