internal KeyFile(string filename)
{
Header = new KeyFileHeader();
Header.Signature = "UNKW";
Header.Version = "";
using (BinaryReader reader = new BinaryReader(File.OpenRead(filename)))
{
if (reader.BaseStream.Length < 8)
{
throw new Exception("File is not a KEY V1.1 file (file is too short)");
}
// Read Header
Header.Signature = new string(reader.ReadChars(4));
Header.Version = new string(reader.ReadChars(4));
if (Header.Signature != "BIFF" && Header.Version != "V1.1")
{
throw new Exception("File is not a KEY V1.1 file (according to header)");
}
Header.FileCount = reader.ReadInt32();
Header.KeyCount = reader.ReadInt32();
reader.ReadInt32(); // NULL
Header.FileTableOffset = reader.ReadInt32();
Header.KeyTableOffset = reader.ReadInt32();
Header.BuildYear = reader.ReadInt32();
Header.BuildDay = reader.ReadInt32();
// Read file table
FileEntries = new BiffFileEntry[Header.FileCount];
reader.BaseStream.Seek(Header.FileTableOffset, SeekOrigin.Begin);
for (int i = 0; i < Header.FileCount; i++)
{
FileEntries[i] = new BiffFileEntry();
FileEntries[i].Size = reader.ReadInt32();
int offset = reader.ReadInt32();
int size = reader.ReadInt32();
long position = reader.BaseStream.Position;
reader.BaseStream.Seek(offset, SeekOrigin.Begin);
FileEntries[i].BiffName = Encoding.UTF8.GetString(reader.ReadBytes(size));
reader.BaseStream.Seek(position, SeekOrigin.Begin);
}
// Read resource names
reader.BaseStream.Seek(Header.KeyTableOffset, SeekOrigin.Begin);
for (int i = 0; i < Header.KeyCount; i++)
{
string resName = Encoding.UTF8.GetString(reader.ReadBytes(16)).Replace("\0", "");
ResourceType type = (ResourceType)reader.ReadInt16();
int id = reader.ReadInt32();
int flags = reader.ReadInt32();
int bifIndex = (int)((flags & 0xFFF00000) >> 20);
FileEntries[bifIndex].ResourceNames.Add(id, resName);
}
}
}
/// <summary>
/// Opens a biff file and reads the header and resource table information
/// </summary>
/// <param name="filename"></param>
/// <param name="keyfile">Can be null</param>
public BiffFile(string filename, string keyfilename)
{
Filename = filename;
TableIDLookup = new Dictionary <int, int>();
CachedResources = new Dictionary <int, ResourceEntry>();
Header = new BiffFileHeader();
Header.Signature = "UNKW";
Header.Version = "";
Header.ResCount = 0;
Header.ResTableOffset = 0;
Table = null;
KeyFile keyFile = new KeyFile(keyfilename);
biffEntry = keyFile.GetBiffFileEntry(Path.GetFileName(filename));
using (BinaryReader reader = new BinaryReader(File.OpenRead(filename)))
{
if (reader.BaseStream.Length < 8)
{
throw new Exception("File is not a BIFF V1.1 file (file is too short)");
}
// Read Header
Header.Signature = new string(reader.ReadChars(4));
Header.Version = new string(reader.ReadChars(4));
if (Header.Signature != "BIFF" && Header.Version != "V1.1")
{
throw new Exception("File is not a BIFF V1.1 file (according to header)");
}
Header.ResCount = reader.ReadInt32();
reader.ReadInt32(); // NULL
Header.ResTableOffset = reader.ReadInt32();
// Read Resource Table
Table = new ResourceTableEntry[Header.ResCount];
reader.BaseStream.Seek(Header.ResTableOffset, SeekOrigin.Begin);
for (int i = 0; i < Header.ResCount; i++)
{
Table[i] = new ResourceTableEntry();
Table[i].ID = reader.ReadInt32();
Table[i].Flags = reader.ReadInt32();
Table[i].Offset = reader.ReadInt32();
Table[i].Size = reader.ReadInt32();
Table[i].Type = (ResourceType)reader.ReadInt16();
Table[i].Name = Table[i].ID.ToString();
if (biffEntry != null && biffEntry.ResourceNames.ContainsKey(Table[i].ID))
{
Table[i].Name = biffEntry.ResourceNames[Table[i].ID];
}
Table[i].Name += "." + Table[i].Type;
reader.ReadInt16(); // NULL
TableIDLookup.Add(Table[i].ID, i);
}
}
}
