// filename is a relative path, eg. materials\models\props_map_editor\palette\cubes.vtf
// you can use either kind of slash, and it's not case sensitive
public byte[] GetFileContents(string filename)
{
lock (lockThis2)
{
string fullpath = Path.Combine(folder, filename.Replace("/", "\\"));
if (File.Exists(fullpath)) // files in the folder should override those in the package (for us)
{
return(File.ReadAllBytes(fullpath));
}
else
{
PackageEntry entry = GetEntry(filename);
if (entry == null) // if file not in folder or archive
{
return(null);
}
if (entry.Size == 0 && entry.SmallData.Length > 0) // if file in archive index
{
return(entry.SmallData);
}
else // if file in archive
{
string archiveName = Path.Combine(folder, string.Format("pak01_{0:D3}.vpk", entry.ArchiveIndex));
if (!File.Exists(archiveName))
{
return(null);
}
using (FileStream f = new FileStream(archiveName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
f.Seek(entry.Offset, SeekOrigin.Begin);
byte[] data = new byte[entry.Size];
f.Read(data, 0, (int)entry.Size);
return(data);
}
} // end if file in archive
}
}
}
public void Deserialize(Stream stream)
{
List <PackageEntry> entries = new List <PackageEntry>();
if (ReadU32(stream) != 0x55AA1234) // Left 4 Dead, before June 25, 2009 update
{
stream.Seek(-4, SeekOrigin.Current);
}
else // Left 4 Dead update, Left 4 Dead 2, Alien Swarm, Portal 2, Source Filmmaker, Dota 2
{
uint version = ReadU32(stream);
uint indexSize = ReadU32(stream);
if (version >= 2) // Counter-Strike: Global Offensive
{
uint zero = ReadU32(stream); // 0 in CSGO
uint FooterLength = ReadU32(stream);
uint FortyEight = ReadU32(stream); // 48 in CSGO
uint zero2 = ReadU32(stream); // 0 in CSGO
}
}
// Types
while (true)
{
string typeName = ReadASCIIZ(stream);
if (typeName == "")
{
break;
}
// Directories
while (true)
{
string directoryName = ReadASCIIZ(stream);
if (directoryName == "")
{
break;
}
// Files
while (true)
{
string fileName = ReadASCIIZ(stream);
if (fileName == "")
{
break;
}
PackageEntry entry = new PackageEntry();
entry.FileName = fileName.ToLowerInvariant();
entry.DirectoryName = directoryName.Replace("/", "\\").ToLowerInvariant();
entry.TypeName = typeName.ToLowerInvariant();
entry.CRC32 = ReadU32(stream);
entry.SmallData = new byte[ReadU16(stream)];
entry.ArchiveIndex = ReadU16(stream);
entry.Offset = ReadU32(stream);
entry.Size = ReadU32(stream);
UInt16 terminator = ReadU16(stream);
if (terminator != 0xFFFF)
{
throw new FormatException("invalid terminator");
}
if (entry.SmallData.Length > 0)
{
stream.Read(entry.SmallData, 0, entry.SmallData.Length);
}
entries.Add(entry);
}
}
}
this.Entries = entries;
}
public void Deserialize(Stream stream)
{
List<PackageEntry> entries = new List<PackageEntry>();
if (ReadU32(stream) != 0x55AA1234) // Left 4 Dead, before June 25, 2009 update
{
stream.Seek(-4, SeekOrigin.Current);
}
else // Left 4 Dead update, Left 4 Dead 2, Alien Swarm, Portal 2, Source Filmmaker, Dota 2
{
uint version = ReadU32(stream);
uint indexSize = ReadU32(stream);
if (version >= 2) // Counter-Strike: Global Offensive
{
uint zero = ReadU32(stream); // 0 in CSGO
uint FooterLength = ReadU32(stream);
uint FortyEight = ReadU32(stream); // 48 in CSGO
uint zero2 = ReadU32(stream); // 0 in CSGO
}
}
// Types
while (true)
{
string typeName = ReadASCIIZ(stream);
if (typeName == "")
{
break;
}
// Directories
while (true)
{
string directoryName = ReadASCIIZ(stream);
if (directoryName == "")
{
break;
}
// Files
while (true)
{
string fileName = ReadASCIIZ(stream);
if (fileName == "")
{
break;
}
PackageEntry entry = new PackageEntry();
entry.FileName = fileName.ToLowerInvariant();
entry.DirectoryName = directoryName.Replace("/", "\\").ToLowerInvariant();
entry.TypeName = typeName.ToLowerInvariant();
entry.CRC32 = ReadU32(stream);
entry.SmallData = new byte[ReadU16(stream)];
entry.ArchiveIndex = ReadU16(stream);
entry.Offset = ReadU32(stream);
entry.Size = ReadU32(stream);
UInt16 terminator = ReadU16(stream);
if (terminator != 0xFFFF)
{
throw new FormatException("invalid terminator");
}
if (entry.SmallData.Length > 0)
{
stream.Read(entry.SmallData, 0, entry.SmallData.Length);
}
entries.Add(entry);
}
}
}
this.Entries = entries;
}
