private Stream Decompress(FAR3Entry Entry)
{
m_Reader.ReadBytes(9);
uint CompressedSize = m_Reader.ReadUInt32();
ushort CompressionID = m_Reader.ReadUShort();
if (CompressionID == 0xFB10)
{
byte[] Dummy = m_Reader.ReadBytes(3);
uint DecompressedSize = (uint)((Dummy[0] << 0x10) | (Dummy[1] << 0x08) | +Dummy[2]);
Decompresser Dec = new Decompresser();
Dec.CompressedSize = CompressedSize;
Dec.DecompressedSize = DecompressedSize;
byte[] DecompressedData = Dec.Decompress(m_Reader.ReadBytes((int)CompressedSize));
MemoryStream MemStream = new MemoryStream(DecompressedData);
MemStream.Seek(0, SeekOrigin.Begin);
return(MemStream);
}
else
{
m_Reader.Seek(m_Reader.Position - 15);
return(new MemoryStream(m_Reader.ReadBytes((int)Entry.DecompressedDataSize)));
}
}
/// <summary>
/// Reads all the entries in the archive into memory.
/// </summary>
/// <param name="ThrowException">Wether or not to throw an exception if the archive was not a FAR3. If false, function will return.</param>
public bool ReadArchive(bool ThrowException)
{
m_FinishedReading.Reset();
if (m_Reader == null)
{
m_Reader = new FileReader(m_Path, false);
}
lock (m_Reader)
{
ASCIIEncoding Enc = new ASCIIEncoding();
string MagicNumber = Enc.GetString(m_Reader.ReadBytes(8));
if (!MagicNumber.Equals("FAR!byAZ", StringComparison.InvariantCultureIgnoreCase))
{
if (ThrowException)
{
throw new FAR3Exception("MagicNumber was wrong - FAR3Archive.cs!");
}
else
{
m_Reader.Close();
return(false);
}
}
m_Reader.ReadUInt32(); //Version.
m_Reader.Seek((long)m_Reader.ReadUInt32());
uint NumFiles = m_Reader.ReadUInt32();
for (int i = 0; i < NumFiles; i++)
{
FAR3Entry Entry = new FAR3Entry();
Entry.DecompressedDataSize = m_Reader.ReadUInt32();
byte[] Dummy = m_Reader.ReadBytes(3);
Entry.CompressedDataSize = (uint)((Dummy[0] << 0) | (Dummy[1] << 8) | (Dummy[2]) << 16);
m_Reader.ReadByte(); //Unknown.
Entry.DataOffset = m_Reader.ReadUInt32();
Entry.Flags = m_Reader.ReadUShort();
Entry.FileNameLength = m_Reader.ReadUShort();
Entry.TypeID = m_Reader.ReadUInt32();
Entry.FileID = m_Reader.ReadUInt32();
Entry.Filename = Enc.GetString(m_Reader.ReadBytes(Entry.FileNameLength));
UniqueFileID ID = new UniqueFileID(Entry.TypeID, Entry.FileID);
if (!m_Entries.ContainsKey(ID.UniqueID))
{
m_Entries.AddOrUpdate(ID.UniqueID, Entry, (Key, ExistingValue) => ExistingValue = Entry);
}
}
}
m_FinishedReading.Set();
return(true);
}
/// <summary>
/// Returns a FileID for a rogue file (file that isn't archived).
/// </summary>
/// <param name="Entry">The entry generated for the file.</param>
/// <returns>A FileID (see RogueFileIDs enum in Database.cs)</returns>
public static uint GetFileID(FAR3Entry Entry)
{
try
{
string[] Dirs = Path.GetDirectoryName(Entry.Filename).Split("\\".ToCharArray());
string Filename = Dirs[1] + "_" + Path.GetFileName(Entry.Filename);
Filename = Filename.Replace("-", "_");
Filename = Filename.Substring(0, Filename.IndexOf("."));
return (uint)Enum.Parse(typeof(RogueFileIDs), Filename);
}
catch (ArgumentException)
{
return (uint)Entry.GetHashCode();
}
}
/// <summary>
/// Returns an entry in this archive as a Stream instance.
/// Throws a FAR3Exception if entry was not found.
/// </summary>
/// <param name="ID">ID of the entry to grab from archive.</param>
/// <returns>The entry's data as a Stream instance.</returns>
public Stream GrabEntry(ulong ID)
{
m_FinishedReading.WaitOne();
if (!ContainsEntry(ID))
{
throw new FAR3Exception("Couldn't find entry - FAR3Archive.cs!");
}
FAR3Entry Entry = m_Entries[ID];
lock (m_Reader)
{
m_Reader.Seek((long)Entry.DataOffset);
switch (Entry.TypeID)
{
case 1: //BMP
case 2: //TGA
case 5: //SKEL
case 7: //ANIM
case 9: //MESH
case 11: //BND
case 12: //APR
case 13: //OFT
case 15: //PO
case 16: //COL
case 18: //HAG
case 20: //JPG
case 24: //PNG
return(Decompress(Entry));
case 14: //PNG, uncompressed
default:
MemoryStream MemStream = new MemoryStream(m_Reader.ReadBytes((int)Entry.DecompressedDataSize));
MemStream.Seek(0, SeekOrigin.Begin);
return(MemStream);
}
}
}
private Stream Decompress(FAR3Entry Entry)
{
m_Reader.ReadBytes(9);
uint CompressedSize = m_Reader.ReadUInt32();
ushort CompressionID = m_Reader.ReadUShort();
if (CompressionID == 0xFB10)
{
byte[] Dummy = m_Reader.ReadBytes(3);
uint DecompressedSize = (uint)((Dummy[0] << 0x10) | (Dummy[1] << 0x08) | +Dummy[2]);
Decompresser Dec = new Decompresser();
Dec.CompressedSize = CompressedSize;
Dec.DecompressedSize = DecompressedSize;
byte[] DecompressedData = Dec.Decompress(m_Reader.ReadBytes((int)CompressedSize));
MemoryStream MemStream = new MemoryStream(DecompressedData);
MemStream.Seek(0, SeekOrigin.Begin);
return MemStream;
}
else
{
m_Reader.Seek(m_Reader.Position - 15);
return new MemoryStream(m_Reader.ReadBytes((int)Entry.DecompressedDataSize));
}
}
/// <summary>
/// Reads all the entries in the archive into memory.
/// </summary>
/// <param name="ThrowException">Wether or not to throw an exception if the archive was not a FAR3. If false, function will return.</param>
public bool ReadArchive(bool ThrowException)
{
m_FinishedReading.Reset();
if (m_Reader == null)
m_Reader = new FileReader(m_Path, false);
lock (m_Reader)
{
ASCIIEncoding Enc = new ASCIIEncoding();
string MagicNumber = Enc.GetString(m_Reader.ReadBytes(8));
if (!MagicNumber.Equals("FAR!byAZ", StringComparison.InvariantCultureIgnoreCase))
{
if (ThrowException)
throw new FAR3Exception("MagicNumber was wrong - FAR3Archive.cs!");
else
{
m_Reader.Close();
return false;
}
}
m_Reader.ReadUInt32(); //Version.
m_Reader.Seek((long)m_Reader.ReadUInt32());
uint NumFiles = m_Reader.ReadUInt32();
for (int i = 0; i < NumFiles; i++)
{
FAR3Entry Entry = new FAR3Entry();
Entry.DecompressedDataSize = m_Reader.ReadUInt32();
byte[] Dummy = m_Reader.ReadBytes(3);
Entry.CompressedDataSize = (uint)((Dummy[0] << 0) | (Dummy[1] << 8) | (Dummy[2]) << 16);
m_Reader.ReadByte(); //Unknown.
Entry.DataOffset = m_Reader.ReadUInt32();
Entry.Flags = m_Reader.ReadUShort();
Entry.FileNameLength = m_Reader.ReadUShort();
Entry.TypeID = m_Reader.ReadUInt32();
Entry.FileID = m_Reader.ReadUInt32();
Entry.Filename = Enc.GetString(m_Reader.ReadBytes(Entry.FileNameLength));
UniqueFileID ID = new UniqueFileID(Entry.TypeID, Entry.FileID);
if (!m_Entries.ContainsKey(ID.UniqueID))
m_Entries.AddOrUpdate(ID.UniqueID, Entry, (Key, ExistingValue) => ExistingValue = Entry);
}
}
m_FinishedReading.Set();
return true;
}
/// <summary>
/// Adds files from a specified directory to a dictionary of entries.
/// </summary>
/// <param name="EntryDir">The directory to scan for entries.</param>
/// <param name="Filetype">A fully qualified lowercase filetype to scan for (can be empty).</param>
/// <param name="Entries">The Dictionary to add entries to.</param>
private static void AddFilesFromDir(string EntryDir, string Filetype, ref Dictionary<FAR3Entry, string> Entries)
{
string[] Dirs = Directory.GetDirectories(EntryDir);
foreach(string Dir in Dirs)
{
if (Filetype != "")
{
if (Dir.Contains(Filetype))
{
string[] Files = Directory.GetFiles(Dir);
string[] SubDirs = Directory.GetDirectories(Dir);
foreach (string Fle in Files)
{
if (Fle.Contains(".dat"))
{
FAR3Archive Archive = new FAR3Archive(Fle);
Archive.ReadArchive(true);
foreach (FAR3Entry Entry in Archive.GrabAllEntries())
Entries.Add(Entry, Fle.Replace(GlobalSettings.Default.StartupPath, ""));
}
else
{
FAR3Entry Entry = new FAR3Entry();
Entry.Filename = Fle.Replace(GlobalSettings.Default.StartupPath, "");
Entry.FileID = HelperFuncs.GetFileID(Entry);
Entry.TypeID = HelperFuncs.GetTypeID(Path.GetExtension(Fle));
HelperFuncs.CheckCollision(Entry.FileID, Entries);
//Ignore fonts to minimize the risk of ID collisions.
if (!Entry.Filename.Contains(".ttf"))
{
if (!Entry.Filename.Contains(".ffn"))
Entries.Add(Entry, Entry.Filename);
}
}
}
foreach (string SubDir in SubDirs)
{
Files = Directory.GetFiles(SubDir);
foreach (string SubFle in Files)
{
if (SubFle.Contains(".dat"))
{
FAR3Archive Archive = new FAR3Archive(SubFle);
Archive.ReadArchive(false);
foreach (FAR3Entry Entry in Archive.GrabAllEntries())
Entries.Add(Entry, SubFle.Replace(GlobalSettings.Default.StartupPath, ""));
}
else
{
FAR3Entry Entry = new FAR3Entry();
Entry.Filename = SubFle.Replace(GlobalSettings.Default.StartupPath, "");
Entry.FileID = HelperFuncs.GetFileID(Entry);
Entry.TypeID = HelperFuncs.GetTypeID(Path.GetExtension(SubFle));
HelperFuncs.CheckCollision(Entry.FileID, Entries);
//Ignore fonts to minimize the risk of ID collisions.
if (!Entry.Filename.Contains(".ttf"))
{
if (!Entry.Filename.Contains(".ffn"))
Entries.Add(Entry, Entry.Filename);
}
}
}
}
}
}
else //Filetype was empty, so just add all filetypes found...
{
string[] Files = Directory.GetFiles(Dir);
string[] SubDirs = Directory.GetDirectories(Dir);
foreach (string Fle in Files)
{
if (Fle.Contains(".dat"))
{
FAR3Archive Archive = new FAR3Archive(Fle);
Archive.ReadArchive(true);
foreach (FAR3Entry Entry in Archive.GrabAllEntries())
Entries.Add(Entry, Fle.Replace(GlobalSettings.Default.StartupPath, ""));
}
else
{
FAR3Entry Entry = new FAR3Entry();
Entry.Filename = Fle.Replace(GlobalSettings.Default.StartupPath, "");
Entry.FileID = HelperFuncs.GetFileID(Entry);
Entry.TypeID = HelperFuncs.GetTypeID(Path.GetExtension(Fle));
HelperFuncs.CheckCollision((ulong)(((ulong)Entry.FileID) << 32 | ((ulong)(Entry.TypeID >> 32))), Entries);
//Ignore fonts to minimize the risk of ID collisions.
if (!Entry.Filename.Contains(".ttf"))
{
if(!Entry.Filename.Contains(".ffn"))
Entries.Add(Entry, Entry.Filename);
}
}
}
foreach (string SubDir in SubDirs)
{
Files = Directory.GetFiles(SubDir);
foreach (string SubFle in Files)
{
if (SubFle.Contains(".dat"))
{
FAR3Archive Archive = new FAR3Archive(SubFle);
Archive.ReadArchive(true);
foreach (FAR3Entry Entry in Archive.GrabAllEntries())
Entries.Add(Entry, SubFle.Replace(GlobalSettings.Default.StartupPath, ""));
}
else
{
FAR3Entry Entry = new FAR3Entry();
Entry.Filename = SubFle.Replace(GlobalSettings.Default.StartupPath, "");
Entry.FileID = HelperFuncs.GetFileID(Entry);
Entry.TypeID = HelperFuncs.GetTypeID(Path.GetExtension(SubFle));
HelperFuncs.CheckCollision((ulong)(((ulong)Entry.FileID) << 32 | ((ulong)(Entry.TypeID >> 32))), Entries);
//Ignore fonts to minimize the risk of ID collisions.
if (!Entry.Filename.Contains(".ttf"))
{
if (!Entry.Filename.Contains(".ffn"))
Entries.Add(Entry, Entry.Filename);
}
}
}
}
}
}
}
