internal static FARC analyzeFARC(string path)
{
FARC farc = new FARC
{
FileName = Path.GetFileNameWithoutExtension(path),
FilePath = Path.GetDirectoryName(path),
Extension = Path.GetExtension(path)
};
BinaryReader br = new BinaryReader(File.OpenRead(path));
long len = br.BaseStream.Length;
farc.Magic = br.ReadUInt32();
UInt32 m = farc.Magic;
farc.HeaderOffset = 0;
while (m != 0x43524146 && farc.HeaderOffset < len - 4) //FARC
{
m = br.ReadUInt32();
farc.HeaderOffset += 4;
}
if (farc.HeaderOffset >= len - 4)
{
farc.valid = false;
return farc;
}
farc.Magic = m;
farc.valid = true;
br.BaseStream.Seek(farc.HeaderOffset + 0x24, SeekOrigin.Begin);
farc.SirOffset = br.ReadUInt32() + farc.HeaderOffset;
br.ReadUInt32(); //unk
farc.DataOffset = br.ReadUInt32() + farc.HeaderOffset;
br.BaseStream.Seek(farc.SirOffset, SeekOrigin.Begin);
farc.SirMagic = br.ReadUInt32();
if (farc.SirMagic != 0x30524953)
{
farc.valid = false;
return farc;
}
farc.MetaPointer = farc.SirOffset + br.ReadUInt32();
br.BaseStream.Seek(farc.MetaPointer, SeekOrigin.Begin);
farc.TableOffset = farc.SirOffset + br.ReadUInt32();
farc.FileCount = br.ReadUInt32();
br.BaseStream.Seek(farc.TableOffset, SeekOrigin.Begin);
FARCFileTable ft = new FARCFileTable
{
Files = new List<FARCFile>(),
FileNames = new List<string>()
};
for (int i = 0; i < farc.FileCount; i++)
{
FARCFile file = new FARCFile
{
NameOffset = br.ReadUInt32(),
Offset = br.ReadUInt32(),
Length = br.ReadUInt32()
};
br.ReadUInt32(); //align to 0x10
FARCFile f2 = file;
ft.Files.Add(f2);
}
for (int i = 0; i < farc.FileCount; i++)
{
br.BaseStream.Seek(ft.Files[i].NameOffset + farc.SirOffset, SeekOrigin.Begin);
MemoryStream stream = new MemoryStream();
int firstByte = 1, secondByte = 1;
while (firstByte != 0 || secondByte != 0)
{
firstByte = br.ReadByte();
secondByte = br.ReadByte();
stream.WriteByte((byte) firstByte);
stream.WriteByte((byte) secondByte);
}
ft.FileNames.Add(Encoding.Unicode.GetString(stream.ToArray()));
stream.Close();
}
farc.Files = ft;
farc.FileName = Path.GetFileNameWithoutExtension(path);
farc.FilePath = Path.GetDirectoryName(path);
farc.Extension = Path.GetExtension(path);
return farc;
}
internal static FARC analyzeFARC(string path)
{
FARC farc = new FARC
{
FileName = Path.GetFileNameWithoutExtension(path),
FilePath = Path.GetDirectoryName(path),
Extension = Path.GetExtension(path)
};
BinaryReader br = new BinaryReader(File.OpenRead(path));
long len = br.BaseStream.Length;
farc.Magic = br.ReadUInt32();
uint m = farc.Magic;
farc.HeaderOffset = 0;
while (m != 0x43524146 && farc.HeaderOffset < len - 4) //FARC
{
m = br.ReadUInt32();
farc.HeaderOffset += 4;
}
if (farc.HeaderOffset >= len - 4)
{
farc.valid = false;
return(farc);
}
farc.Magic = m;
farc.valid = true;
br.BaseStream.Seek(farc.HeaderOffset + 0x24, SeekOrigin.Begin);
farc.SirOffset = br.ReadUInt32() + farc.HeaderOffset;
br.ReadUInt32(); //unk
farc.DataOffset = br.ReadUInt32() + farc.HeaderOffset;
br.BaseStream.Seek(farc.SirOffset, SeekOrigin.Begin);
farc.SirMagic = br.ReadUInt32();
if (farc.SirMagic != 0x30524953)
{
farc.valid = false;
return(farc);
}
farc.MetaPointer = farc.SirOffset + br.ReadUInt32();
br.BaseStream.Seek(farc.MetaPointer, SeekOrigin.Begin);
farc.TableOffset = farc.SirOffset + br.ReadUInt32();
farc.FileCount = br.ReadUInt32();
br.BaseStream.Seek(farc.TableOffset, SeekOrigin.Begin);
FARCFileTable ft = new FARCFileTable
{
Files = new List <FARCFile>(),
FileNames = new List <string>()
};
for (int i = 0; i < farc.FileCount; i++)
{
FARCFile file = new FARCFile
{
NameOffset = br.ReadUInt32(),
Offset = br.ReadUInt32(),
Length = br.ReadUInt32()
};
br.ReadUInt32(); //align to 0x10
FARCFile f2 = file;
ft.Files.Add(f2);
}
for (int i = 0; i < farc.FileCount; i++)
{
br.BaseStream.Seek(ft.Files[i].NameOffset + farc.SirOffset, SeekOrigin.Begin);
MemoryStream stream = new MemoryStream();
int firstByte = 1, secondByte = 1;
while (firstByte != 0 || secondByte != 0)
{
firstByte = br.ReadByte();
secondByte = br.ReadByte();
stream.WriteByte((byte)firstByte);
stream.WriteByte((byte)secondByte);
}
ft.FileNames.Add(Encoding.Unicode.GetString(stream.ToArray()));
stream.Close();
}
farc.Files = ft;
farc.FileName = Path.GetFileNameWithoutExtension(path);
farc.FilePath = Path.GetDirectoryName(path);
farc.Extension = Path.GetExtension(path);
return(farc);
}
