public static byte[] LazyCompress(byte[] data)
{
FileOutput f = new FileOutput();
f.Endian = Endianness.Little;
f.writeString("Yaz0");
byte w1 = (byte)(data.Length & 0xFF);
byte w2 = (byte)((data.Length >> 8) & 0xFF);
byte w3 = (byte)((data.Length >> 16) & 0xFF);
byte w4 = (byte)(data.Length >> 24);
f.writeInt((w1 << 24) | (w2 << 16) | (w3 << 8) | w4);
f.writeHex("0000000000000000");
int pos = 0, posInChunk = 0;
while (pos < data.Length)
{
posInChunk = 0;
f.writeByte(0xFF);
while (pos + posInChunk < data.Length && posInChunk < 8)
{
f.writeByte(data[pos + posInChunk]);
posInChunk++;
}
pos += posInChunk;
}
return(f.getBytes());
}
public byte[] Rebuild()
{
FileOutput f = new FileOutput();
f.Endian = endian;
f.writeString("SARC");
f.writeShort(0x14);
f.Endian = endian;
f.writeShort(65279);
byte[] sfat = RebuildSFATArchive();
f.writeInt(sfat.Length + 0x14);
f.writeInt(sfatStartOffset + 0x14);
f.writeInt(0x1000000);
f.writeBytes(sfat);
return(f.getBytes());
}
private byte[] RebuildSFATArchive()
{
FileOutput f = new FileOutput();
f.Endian = endian;
f.writeString("SFAT");
f.writeShort(0xC);
f.writeShort(files.Count);
f.writeInt(0x65);
int stringPos = 0;
int dataPos = 0;
bool isString = true;
foreach (string filename in files.Keys)
{
if (filename.Contains("0x"))
{
isString = false;
f.writeInt((int)Convert.ToInt32(filename, 16));
f.writeInt(0);
}
else
{
f.writeInt((int)GetHash(filename.ToArray(), filename.Length, 0x65));
f.writeInt(stringPos + 0x1000000);
stringPos += GetSizeInChunks(filename.Length + 1, 4) / 4;
}
f.writeInt(dataPos);
f.writeInt(dataPos + files[filename].Length);
dataPos += files[filename].Length % padding == 0 ? files[filename].Length : files[filename].Length + (padding - files[filename].Length % padding);
}
f.writeHex("53464E5400080000");
if (isString)
{
foreach (string filename in files.Keys)
{
f.writeString(filename);
f.writeByte(0);
while (f.pos() % 4 != 0)
{
f.writeByte(0);
}
}
}
if (padding == -1 || padding < f.pos())
{
while ((f.pos() + 0x14) % 0x100 != 0)
{
f.writeByte(0);
}
}
else
{
f.writeBytes(new byte[padding - (f.pos() + 0x14)]);
}
sfatStartOffset = f.pos();
int cur = 0;
foreach (string filename in files.Keys)
{
f.writeIntAt(f.pos() - sfatStartOffset, 0x14 + (cur * 0x10));
f.writeBytes(files[filename]);
f.writeIntAt(f.pos() - sfatStartOffset, 0x18 + (cur * 0x10));
while ((f.pos() + 0x14) % padding != 0)
{
f.writeByte(0);
}
cur++;
}
return(f.getBytes());
}