public void Save(Stream output, bool leaveOpen = false)
{
using (var bw = new BinaryWriterX(output, leaveOpen))
{
//SARCHeader
var header = new SARCHeader {
dataOffset = Files.Aggregate(40 + Files.Sum(afi => usesSFNT ? afi.FileName.Length / 4 * 4 + 20 : 16), (n, afi) => Pad(n, afi.FileName))
};
bw.WriteStruct(header); // filesize is added later
//SFATHeader
bw.WriteStruct(new SFATHeader {
nodeCount = (short)Files.Count
});
//SFAT List + nameList
int nameOffset = 0;
int dataOffset = 0;
foreach (var afi in Files)
{
dataOffset = Pad(dataOffset, afi.FileName);
var fileLen = (int)afi.FileData.Length;
var sfatEntry = new SFATEntry
{
nameHash = usesSFNT ? SimpleHash.Create(afi.FileName, 0x65) : Convert.ToUInt32(afi.FileName.Substring(2, 8), 16),
SFNTOffset = (short)(usesSFNT ? nameOffset : 0),
filenameFlags = (short)(usesSFNT ? 0x100 : 0),
dataStart = dataOffset,
dataEnd = dataOffset + fileLen
};
bw.WriteStruct(sfatEntry);
nameOffset += afi.FileName.Length / 4 + 1;
dataOffset = sfatEntry.dataEnd;
}
bw.WriteStruct(new SFNTHeader());
if (usesSFNT)
{
foreach (var afi in Files)
{
bw.WriteASCII(afi.FileName.PadRight(afi.FileName.Length / 4 * 4 + 4, '\0'));
}
}
bw.WriteAlignment(header.dataOffset);
foreach (var afi in Files)
{
bw.Write(new byte[Pad((int)bw.BaseStream.Length, afi.FileName) - (int)bw.BaseStream.Length]); // padding
afi.FileData.CopyTo(bw.BaseStream);
}
bw.BaseStream.Position = 0;
header.fileSize = (int)bw.BaseStream.Length;
bw.WriteStruct(header);
}
}
public SARC(byte[] Data)
{
EndianBinaryReaderEx er = new EndianBinaryReaderEx(new MemoryStream(Data), Endianness.LittleEndian);
try
{
Header = new SARCHeader(er);
SFat = new SFAT(er);
SFnt = new SFNT(er);
er.BaseStream.Position = Header.FileDataOffset;
this.Data = er.ReadBytes((int)(Header.FileSize - Header.FileDataOffset));
}
finally
{
er.Close();
}
}
public SARC(Stream inputStream)
{
EndianBinaryReader er = new EndianBinaryReader(inputStream, Endian.Big);
try
{
Header = new SARCHeader(er);
SfatHeader = new SFATHeader(er);
SfatNodes = new SFATNode[SfatHeader.NodeCount];
for (int i = 0; i < SfatHeader.NodeCount; i++)
{
SfatNodes[i] = new SFATNode(er);
}
// Just skip the SFNT_HEADER because it's useless for now ?
er.ReadBytes(8);
SfatStringTable = new string[SfatHeader.NodeCount];
for (int i = 0; i < SfatHeader.NodeCount; i++)
{
// These are padded strings, so skip the null bytes padding them
while (er.PeekReadByte() == 0)
{
er.ReadByte();
}
SfatStringTable[i] = Encoding.UTF8.GetString(er.ReadBytesUntil(0));
SfatNodes[i].copied_name = SfatStringTable[i];
}
// TODO: Maybe we have to pad here too?
SfatDataTable = new byte[SfatHeader.NodeCount][];
for (int i = 0; i < SfatHeader.NodeCount; i++)
{
uint dataLength = SfatNodes[i].NodeDataEndOffset - SfatNodes[i].NodeDataBeginOffset;
SfatDataTable[i] = er.ReadBytesAt(Header.DataOffset + SfatNodes[i].NodeDataBeginOffset, (int)dataLength);
SfatNodes[i].copied_data = SfatDataTable[i];
}
}
finally
{
er.Close();
}
}
public void FromFileSystem(SFSDirectory Root)
{
Header = new SARCHeader();
SFat = new SFAT();
SFat.NrEntries = (ushort)Root.Files.Count;
uint DataStart = 0;
foreach (var v in Root.Files)
{
while ((DataStart % 128) != 0)
{
DataStart++;
}
uint hash;
if (v.FileName == string.Format("0x{0:X8}", v.FileID))
{
hash = (uint)v.FileID;
}
else
{
hash = GetHashFromName(v.FileName);
}
SFat.Entries.Add(new SFAT.SFATEntry()
{
FileDataStart = DataStart, FileDataEnd = (uint)(DataStart + v.Data.Length), FileNameHash = hash, FileNameOffset = 0
});
DataStart += (uint)v.Data.Length;
}
Data = new byte[DataStart];
int i = 0;
foreach (var v in Root.Files)
{
Array.Copy(v.Data, 0, Data, SFat.Entries[i].FileDataStart, v.Data.Length);
i++;
}
SFnt = new SFNT();
Header.FileSize = (uint)(0x14 + 0xC + SFat.NrEntries * 0x10 + 0x8);
while ((Header.FileSize % 128) != 0)
{
Header.FileSize++;
}
Header.FileDataOffset = Header.FileSize;
Header.FileSize += (uint)Data.Length;
}
public void FromFileSystem(SFSDirectory Root)
{
Header = new SARCHeader();
SFat = new SFAT();
SFat.NrEntries = (ushort)Root.Files.Count;
uint DataStart = 0;
Root.Files.Sort(delegate(SFSFile a, SFSFile b) {
uint hasha = (uint)a.FileID;
uint hashb = (uint)b.FileID;
return(hasha.CompareTo(hashb));
});
foreach (var v in Root.Files)
{
while ((DataStart % 128) != 0)
{
DataStart++;
}
uint hash = (uint)v.FileID;
SFat.Entries.Add(new SFAT.SFATEntry()
{
FileDataStart = DataStart, FileDataEnd = (uint)(DataStart + v.Data.Length), FileNameHash = hash, FileNameOffset = 0
});
DataStart += (uint)v.Data.Length;
}
Data = new byte[DataStart];
int i = 0;
foreach (var v in Root.Files)
{
Array.Copy(v.Data, 0, Data, SFat.Entries[i].FileDataStart, v.Data.Length);
i++;
}
SFnt = new SFNT();
Header.FileSize = (uint)(0x14 + 0xC + SFat.NrEntries * 0x10 + 0x8);
while ((Header.FileSize % 128) != 0)
{
Header.FileSize++;
}
Header.FileDataOffset = Header.FileSize;
Header.FileSize += (uint)Data.Length;
}
