public int Packing()
{
Print("ファイル構成開始");
string fileName = string.IsNullOrEmpty(ipfTgtName) ? "_p" + DateTime.Now.ToString("yyMMddhhmmss") : ipfTgtName;
using (FileStream fw = new FileStream(Directory.GetCurrentDirectory() + "/" + fileName + ".ipf", FileMode.Create, FileAccess.ReadWrite)) {
foreach (var fti in lstFileTab)
{
using (FileStream fr = new FileStream(fti.filePath, FileMode.Open, FileAccess.Read)) {
IpfCrypt ic = new IpfCrypt();
fti.dataPos = (int)fw.Position;
fti.deplLen = (int)fr.Length;
string ext = Path.GetExtension(fti.filePath.ToLower());
if ((ext == ".jpg") || (ext == ".fsb") || (ext == ".mp3"))
{
byte[] readBuf = new byte[4096];
for (int readSize = 0; ;)
{
readSize = fr.Read(readBuf, 0, readBuf.Length);
if (readSize == 0)
{
break;
}
fw.Write(readBuf, 0, readSize);
}
}
else
{
using (var memStrm = new MemoryStream()) {
using (var deflStrm = new DeflateStream(memStrm, CompressionMode.Compress, true)) {
byte[] readBuf = new byte[4096];
for (int readSize = 0, readPos = 0; ; readPos += readSize)
{
Array.Resize(ref readBuf, readPos + 4096);
readSize = fr.Read(readBuf, readPos, 4096);
if (readSize == 0)
{
Array.Resize(ref readBuf, readPos);
break;
}
}
deflStrm.Write(readBuf, 0, readBuf.Length);
}
var tmpBuf = memStrm.ToArray();
//DumpBuf(tmpBuf, 32);
ic.EncryptBuf(tmpBuf);
//DumpBuf(tmpBuf, 32);
fw.Write(tmpBuf, 0, tmpBuf.Length);
}
}
fti.compLen = (int)fw.Position - fti.dataPos;
fr.Seek(0, SeekOrigin.Begin);
fti.fileCrc = ic.ComputeHash(fr);
}
}
ipfFileCnt = lstFileTab.Count;
ipfFileTblPos = (int)fw.Position;
int lastDataPos = 0;
foreach (var fti in lstFileTab)
{
byte[] archNmB = Encoding.UTF8.GetBytes(fti.archNm);
byte[] fileNmB = Encoding.UTF8.GetBytes(fti.fileNm);
byte[] tmpBuf = new byte[20];
tmpBuf[0] = (byte)(fileNmB.Length); tmpBuf[1] = (byte)(fileNmB.Length >> 8);
tmpBuf[18] = (byte)(archNmB.Length); tmpBuf[19] = (byte)(archNmB.Length >> 8);
tmpBuf[2] = (byte)(fti.fileCrc); tmpBuf[3] = (byte)(fti.fileCrc >> 8); tmpBuf[4] = (byte)(fti.fileCrc >> 16); tmpBuf[5] = (byte)(fti.fileCrc >> 24);
tmpBuf[6] = (byte)(fti.compLen); tmpBuf[7] = (byte)(fti.compLen >> 8); tmpBuf[8] = (byte)(fti.compLen >> 16); tmpBuf[9] = (byte)(fti.compLen >> 24);
tmpBuf[10] = (byte)(fti.deplLen); tmpBuf[11] = (byte)(fti.deplLen >> 8); tmpBuf[12] = (byte)(fti.deplLen >> 16); tmpBuf[13] = (byte)(fti.deplLen >> 24);
tmpBuf[14] = (byte)(fti.dataPos); tmpBuf[15] = (byte)(fti.dataPos >> 8); tmpBuf[16] = (byte)(fti.dataPos >> 16); tmpBuf[17] = (byte)(fti.dataPos >> 24);
lastDataPos = fti.dataPos;
fw.Write(tmpBuf, 0, tmpBuf.Length);
fw.Write(archNmB, 0, archNmB.Length);
fw.Write(fileNmB, 0, fileNmB.Length);
}
ipfFileFtrPos = (int)lastDataPos;
{
byte[] tmpBuf = new byte[24];
tmpBuf[0] = (byte)(ipfFileCnt); tmpBuf[1] = (byte)(ipfFileCnt >> 8);
tmpBuf[2] = (byte)(ipfFileTblPos); tmpBuf[3] = (byte)(ipfFileTblPos >> 8); tmpBuf[4] = (byte)(ipfFileTblPos >> 16); tmpBuf[5] = (byte)(ipfFileTblPos >> 24);
tmpBuf[8] = (byte)(ipfFileFtrPos); tmpBuf[9] = (byte)(ipfFileFtrPos >> 8); tmpBuf[10] = (byte)(ipfFileFtrPos >> 16); tmpBuf[11] = (byte)(ipfFileFtrPos >> 24);
tmpBuf[12] = 0x50; tmpBuf[13] = 0x4B; tmpBuf[14] = 0x05; tmpBuf[15] = 0x06;
tmpBuf[16] = (byte)(ipfTgtVer); tmpBuf[17] = (byte)(ipfTgtVer >> 8); tmpBuf[18] = (byte)(ipfTgtVer >> 16); tmpBuf[19] = (byte)(ipfTgtVer >> 24);
tmpBuf[20] = (byte)(ipfPkgVer); tmpBuf[21] = (byte)(ipfPkgVer >> 8); tmpBuf[22] = (byte)(ipfPkgVer >> 16); tmpBuf[23] = (byte)(ipfPkgVer >> 24);
fw.Write(tmpBuf, 0, tmpBuf.Length);
}
}
Print("ファイル構成完了");
Print("----");
return(0);
}