private FileInfoBTree[] LoadFileInfoBTree(EndianBinReader reader, uint offset)
{
reader.BaseStream.Seek(offset, System.IO.SeekOrigin.Begin);
byte childCount = reader.ReadByte();
uint childOffset = reader.Read3BytesUInt32();
uint nodeCount = reader.ReadUInt16();
uint dataOffset = offset + 4 + 2;
var objects = new FileInfoBTree[0];
uint indexer = 0;
for (int i = 0; i < nodeCount; i++)
{
uint keyCount = (ushort)(Util.ExtractTwelveBits(reader, dataOffset, 0) & 0x7FF);
uint nextNodeDataOffset =
(ushort)(Util.ExtractTwelveBits(reader, dataOffset, (ushort)(keyCount + 1)));
Array.Resize(ref objects, (int)(objects.Length + keyCount));
for (int j = 0; j < keyCount; j++)
{
uint nodeOffset = Util.ExtractTwelveBits(reader, dataOffset, (uint)j + 1);
var tmpOffset = (dataOffset + nodeOffset);
objects[indexer] = new FileInfoBTree(reader, ref tmpOffset);
indexer++;
}
dataOffset += nextNodeDataOffset;
}
return(objects);
}
private void LoadFileIDBTree(EndianBinReader reader, ref FileIDBTree[] objects, uint offset)
{
uint childOffset = 0;
uint nodeCount = 0;
uint ptrNodeData = 0;
reader.BaseStream.Seek(offset, System.IO.SeekOrigin.Begin);
byte childCount = reader.ReadByte();
childOffset = reader.Read3BytesUInt32() + offset;
nodeCount = reader.ReadUInt16();
ptrNodeData = (uint)reader.BaseStream.Position;
if (objects == null)
{
objects = new FileIDBTree[0];
}
uint indexer = (uint)objects.Length;
for (int i = 0; i < nodeCount; i++)
{
uint keyCount = (ushort)(Util.ExtractTwelveBits(reader, ptrNodeData, 0) & 0x7FF);
uint nextNodeDataOffset =
(ushort)(Util.ExtractTwelveBits(reader, ptrNodeData, (ushort)(keyCount + 1)));
Array.Resize(ref objects, (int)(objects.Length + keyCount));
for (int j = 0; j < keyCount; j++)
{
uint nodeOffset = Util.ExtractTwelveBits(reader, ptrNodeData, (uint)j + 1);
var tmpOffset = (ptrNodeData + nodeOffset);
objects[indexer] = new FileIDBTree(reader, ref tmpOffset);
indexer++;
}
ptrNodeData += nextNodeDataOffset;
}
}
