public static void SaveAfs2File(string filePath)
{
if (!Directory.Exists(Path.GetDirectoryName(filePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(filePath));
}
string saveLocation = String.Format("{0}/{1}", Path.GetDirectoryName(filePath), Path.GetFileNameWithoutExtension(filePath));
YAXSerializer serializer = new YAXSerializer(typeof(AFS2_File), YAXSerializationOptions.DontSerializeNullObjects);
AFS2_File utfFile = (AFS2_File)serializer.DeserializeFromFile(filePath);
byte[] header;
byte[] bytes = WriteAfs2File(utfFile, out header);
File.WriteAllBytes(saveLocation, bytes);
}
public static byte[] WriteAfs2File(AFS2_File afs2File, out byte[] header)
{
header = null;
List <byte> bytes = new List <byte>();
if (afs2File == null)
{
return(bytes.ToArray());
}
//Init
int count = (afs2File.Entries != null) ? afs2File.Entries.Count : 0;
int finalPointer = 0;
List <int> Pointers = new List <int>();
afs2File.SortEntries();
//Header
bytes.AddRange(BitConverter.GetBytes((uint)AFS2_SIGNATURE));
bytes.Add(afs2File.I_04);
bytes.Add((byte)afs2File.Pointer_Size);
bytes.Add(afs2File.I_06);
bytes.Add(afs2File.I_07);
bytes.AddRange(BitConverter.GetBytes((uint)count));
bytes.AddRange(BitConverter.GetBytes((uint)afs2File.ByteAlignment));
//Cue ID list
for (int i = 0; i < count; i++)
{
bytes.AddRange(BitConverter.GetBytes(afs2File.Entries[i].AwbId));
}
//Pointer List
for (int i = 0; i < count + 1; i++)
{
switch (afs2File.Pointer_Size)
{
case PointerSize.UInt16:
Pointers.Add(bytes.Count());
finalPointer = bytes.Count();
bytes.AddRange(new byte[2]);
break;
case PointerSize.UInt32:
Pointers.Add(bytes.Count());
finalPointer = bytes.Count();
bytes.AddRange(new byte[4]);
break;
default:
throw new Exception(String.Format("Undefined PointerSize encountered: {0}\nSave failed.", afs2File.Pointer_Size));
}
}
int headerEnd = bytes.Count;
for (int i = 0; i < count; i++)
{
//Fill pointer
switch (afs2File.Pointer_Size)
{
case PointerSize.UInt16:
bytes = Utils.ReplaceRange(bytes, BitConverter.GetBytes((UInt16)bytes.Count()), Pointers[i]);
break;
case PointerSize.UInt32:
bytes = Utils.ReplaceRange(bytes, BitConverter.GetBytes(bytes.Count()), Pointers[i]);
break;
}
//Add padding
bytes.AddRange(new byte[CalculatePadding(bytes.Count, afs2File.ByteAlignment)]);
//Add data
bytes.AddRange(afs2File.Entries[i].bytes);
}
//Fill in final pointer
switch (afs2File.Pointer_Size)
{
case PointerSize.UInt16:
bytes = Utils.ReplaceRange(bytes, BitConverter.GetBytes((UInt16)bytes.Count()), finalPointer);
break;
case PointerSize.UInt32:
bytes = Utils.ReplaceRange(bytes, BitConverter.GetBytes(bytes.Count()), finalPointer);
break;
}
header = bytes.GetRange(0, headerEnd).ToArray();
return(bytes.ToArray());
}
public static AFS2_File LoadAfs2File(byte[] rawBytes, int offset = 0, int size = -1)
{
if (size == -1)
{
size = rawBytes.Length;
}
AFS2_File afs2File = new AFS2_File()
{
Entries = new List <AFS2_Entry>()
};
if (BitConverter.ToInt32(rawBytes, offset + 0) != AFS2_SIGNATURE)
{
throw new InvalidDataException(String.Format("AFS2 Signature not found at offset 0x{0}.\nParse failed.", offset.ToString("x")));
}
int count = BitConverter.ToInt32(rawBytes, offset + 8);
afs2File.ByteAlignment = BitConverter.ToInt32(rawBytes, offset + 12);
afs2File.I_04 = rawBytes[offset + 4];
afs2File.Pointer_Size = (PointerSize)rawBytes[offset + 5];
afs2File.I_06 = rawBytes[offset + 6];
afs2File.I_07 = rawBytes[offset + 7];
//Init
int cueIdOffset = 16 + offset;
int pointerListOffset = ((2 * count) + 16) + offset;
List <int> Pointers = new List <int>();
List <int> PointersFiltered = new List <int>();
//Cue IDs
for (int i = 0; i < count; i++)
{
//IDs
afs2File.Entries.Add(new AFS2_Entry()
{
AwbId = BitConverter.ToUInt16(rawBytes, cueIdOffset)
});
cueIdOffset += 2;
//Pointers
switch (afs2File.Pointer_Size)
{
case PointerSize.UInt16:
Pointers.Add(BitConverter.ToUInt16(rawBytes, pointerListOffset));
PointersFiltered.Add(BitConverter.ToUInt16(rawBytes, pointerListOffset));
pointerListOffset += 2;
break;
case PointerSize.UInt32:
Pointers.Add(BitConverter.ToInt32(rawBytes, pointerListOffset));
PointersFiltered.Add(BitConverter.ToInt32(rawBytes, pointerListOffset));
pointerListOffset += 4;
break;
}
}
if (afs2File.Pointer_Size == PointerSize.UInt16)
{
Pointers.Add(BitConverter.ToUInt16(rawBytes, pointerListOffset));
PointersFiltered.Add(BitConverter.ToUInt16(rawBytes, pointerListOffset));
}
else
{
Pointers.Add(BitConverter.ToInt32(rawBytes, pointerListOffset));
PointersFiltered.Add(BitConverter.ToInt32(rawBytes, pointerListOffset));
}
//Filter offsets
for (int i = 0; i < count + 1; i++)
{
PointersFiltered[i] = GetActualOffset(PointersFiltered[i], afs2File.ByteAlignment) + offset;
Pointers[i] += offset;
}
//Data
for (int i = 0; i < count; i++)
{
//Get length
int length = 0;
length = Pointers[i + 1] - PointersFiltered[i];
afs2File.Entries[i].bytes = rawBytes.GetRange(PointersFiltered[i], length);
}
return(afs2File);
}
