public long Align(int alignment)
{
if (alignment == 0)
{
return(Position);
}
return(Position = Memory.Align(Position, alignment));
}
public void LoadBinary(string filename)
{
using (var stream = new BinaryStream(filename))
{
Debug.WriteLine(">> Reading infos header...");
var infosOffset = stream.ReadInt32();
var infosCount = stream.ReadInt32();
Use32Bit = ((stream.Length - (infosCount * 0xC)) == infosOffset);
Debug.WriteLine(">> Reading FCB header...");
var magic = stream.ReadInt32();
if (magic != Magic)
{
throw new InvalidOperationException("Bad magic, no FCB data to parse!");
}
var type = stream.ReadInt16();
if (type != Type)
{
throw new InvalidOperationException("FCB library reported the incorrect type?!");
}
stream.Position += 2; // ;)
var totalCount = stream.ReadInt32(); // * 3
var nodesCount = stream.ReadInt32(); // * 4
var dataOffset = (int)stream.Position;
var memSize = ((totalCount * 3) + nodesCount) * 4;
var memSizeAlign = Memory.Align(memSize, 16);
#if DEBUG
Console.WriteLine("[Library.Header]");
Console.WriteLine($" Total: {totalCount}");
Console.WriteLine($" Nodes: {nodesCount}");
Console.WriteLine($" MemSize: {memSize:X8}");
#endif
// read the infos first!
Debug.WriteLine(">> Reading infos...");
stream.Position = infosOffset;
var nInfosTotal = 0;
var nInfosNodes = 0;
var refDatas = new Dictionary <int, EntityReferenceData>(infosCount);
for (int i = 0; i < infosCount; i++)
{
var refData = new EntityReferenceData(stream, Use32Bit);
nInfosTotal += refData.TotalCount;
nInfosNodes += refData.NodesCount;
refDatas.Add(refData.Offset, refData);
}
var count1Diff = (totalCount - nInfosTotal);
var count2Diff = (nodesCount - nInfosNodes);
#if DEBUG
Console.WriteLine("[Library.Infos]");
Console.WriteLine($" Total: {nInfosTotal}");
Console.WriteLine($" Nodes: {nInfosNodes}");
Console.WriteLine("[Library.Logging]");
Console.WriteLine($" TotalDiff: {count1Diff}");
Console.WriteLine($" NodesDiff: {count2Diff}");
#endif
// read fcb data
Debug.WriteLine(">> Reading libraries...");
stream.Position = dataOffset;
var root = new NodeClass(stream);
Libraries = new List <EntityLibrary>(root.Children.Count);
foreach (var library in root.Children)
{
// deserialize from the class
var lib = new EntityLibrary()
{
Use32Bit = Use32Bit,
};
lib.Deserialize(library);
// update UIDs
foreach (var entry in lib.Entries)
{
var node = entry.GroupNode;
var offset = node.Offset;
if (refDatas.ContainsKey(offset))
{
var entRef = refDatas[offset];
entry.UID = entRef.UID;
}
}
Libraries.Add(lib);
}
Console.WriteLine($"Finished reading {Libraries.Count} libraries. Collected {Utils.GetTotalNumberOfNodes(root)} nodes in total.");
}
}
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);
}
