/// <summary>
/// 解压
/// </summary>
/// <param name="param"></param>
/// <returns></returns>
public static string Deompress(string param)
{
Debug.Log("11111111111111commonString:");
string commonString = "";
int data = 0;
int stopByte = -1;
byte[] buffer = Convert.FromBase64String(param);// 解base64
MemoryStream intms = new MemoryStream(buffer);
zlib.ZInputStream inZStream = new zlib.ZInputStream(intms);
int count = 1024 * 1024;
byte[] inByteList = new byte[count];
int i = 0;
while (stopByte != (data = inZStream.Read()))
{
inByteList[i] = (byte)data;
i++;
}
inZStream.Close();
commonString = System.Text.Encoding.UTF8.GetString(inByteList, 0, inByteList.Length);
Debug.Log(commonString);
Debug.Log("22222222222222commonString:");
return(commonString);
}
public static void UnpackSng(Stream input, Stream output, Platform platform)
{
EndianBitConverter conv;
switch (platform.platform)
{
case GamePlatform.Pc:
case GamePlatform.Mac:
// Desktop
conv = EndianBitConverter.Little;
break;
case GamePlatform.XBox360:
case GamePlatform.PS3:
// Console
conv = EndianBitConverter.Big;
break;
default:
conv = EndianBitConverter.Little;
break;
}
using (var decrypted = new MemoryStream())
using (var br = new EndianBinaryReader(conv, input))
using (var brDec = new EndianBinaryReader(conv, decrypted)) {
byte[] key;
switch (platform.platform)
{
case GamePlatform.Mac:
key = RijndaelEncryptor.SngKeyMac;
break;
default: //PC
key = RijndaelEncryptor.SngKeyPC;
break;
}
RijndaelEncryptor.DecryptSngData(br.BaseStream, decrypted, key);
//unZip
int bSize = 1;
uint zLen = brDec.ReadUInt32();
ushort xU = brDec.ReadUInt16();
brDec.BaseStream.Position -= 2;
if (xU == 55928)//LE 55928 //BE 30938
{
var z = new zlib.ZInputStream(brDec.BaseStream);
do
{
byte[] buf = new byte[bSize];
z.read(buf, 0, bSize);
output.Write(buf, 0, bSize);
} while (output.Length < (long)zLen);
z.Close();
}
}
}
public static byte[] DecompressData(byte[] inData)
{
int data = 0;
int stopByte = -1;
byte[] Buffer = inData; // 解base64
MemoryStream intms = new MemoryStream(Buffer);
zlib.ZInputStream inZStream = new zlib.ZInputStream(intms);
int count = 1024 * 1024;
byte[] inByteList = new byte[count];
int i = 0;
while (stopByte != (data = inZStream.Read()))
{
inByteList[i] = (byte)data;
i++;
}
inZStream.Close();
return(inByteList.Take(i).ToArray());
}
/// <summary>
/// Unpacks zipped data.
/// </summary>
/// <param name="str">In Stream.</param>
/// <param name="outStream">Out stream.</param>
/// <param name = "plainLen">Data size after decompress.</param>
/// <param name = "rewind">Manual control for stream seek position.</param>
public static void Unzip(Stream str, Stream outStream, bool rewind = true)
{
int len;
var buffer = new byte[65536];
var zOutputStream = new ZInputStream(str);
while ((len = zOutputStream.read(buffer, 0, buffer.Length)) > 0)
{
outStream.Write(buffer, 0, len);
}
zOutputStream.Close();
buffer = null;
if (rewind)
{
outStream.Position = 0;
outStream.Flush();
}
}
public static OSD ZDecompressBytesToOsd(byte[] input)
{
OSD osd = null;
using (MemoryStream msSinkUnCompressed = new MemoryStream())
{
using(ZInputStream zOut = new ZInputStream(msSinkUnCompressed))
{
zOut.Read(input, 0, input.Length);
msSinkUnCompressed.Seek(0L, SeekOrigin.Begin);
osd = OSDParser.DeserializeLLSDBinary(msSinkUnCompressed.ToArray());
zOut.Close();
}
}
return osd;
}
public byte[] DecompressPacket(byte[] Payload, int Offset)
{
MemoryStream ms = new MemoryStream(Payload.GetUpperBound(0) - Offset);
ms.Write(Payload, Offset, Payload.GetUpperBound(0) - Offset);
ms.Seek(0, System.IO.SeekOrigin.Begin);
ZInputStream zs = new ZInputStream(ms);
int UncompressedSize;
byte[] Uncompressed = new byte[4096];
try
{
UncompressedSize = zs.read(Uncompressed, 0, 4096);
}
catch
{
if(DEBUG)
Debug("DECOMPRESSION FAILURE");
Array.Copy(Payload, Offset - 1, Uncompressed, 0, Payload.Length - (Offset - 1));
UncompressedSize = Payload.Length - (Offset - 1);
}
zs.Close();
zs.Dispose();
ms.Close();
ms.Dispose();
Array.Resize(ref Uncompressed, UncompressedSize);
return Uncompressed;
}
public static void UnpackSng(Stream input, Stream output, Platform platform)
{
EndianBitConverter conv;
switch (platform.platform) {
case GamePlatform.Pc:
case GamePlatform.Mac:
// Desktop
conv = EndianBitConverter.Little;
break;
case GamePlatform.XBox360:
case GamePlatform.PS3:
// Console
conv = EndianBitConverter.Big;
break;
default:
conv = EndianBitConverter.Little;
break;
}
using (var decrypted = new MemoryStream())
using (var br = new EndianBinaryReader(conv, input))
using (var brDec = new EndianBinaryReader(conv, decrypted)) {
byte[] key;
switch (platform.platform) {
case GamePlatform.Mac:
key = RijndaelEncryptor.SngKeyMac;
break;
default: //PC
key = RijndaelEncryptor.SngKeyPC;
break;
}
RijndaelEncryptor.DecryptSngData(br.BaseStream, decrypted, key);
//unZip
int bSize = 1;
uint zLen = brDec.ReadUInt32();
ushort xU = brDec.ReadUInt16();
brDec.BaseStream.Position -= 2;
if (xU == 55928) {//LE 55928 //BE 30938
var z = new zlib.ZInputStream(brDec.BaseStream);
do {
byte[] buf = new byte[bSize];
z.read(buf, 0, bSize);
output.Write(buf, 0, bSize);
} while (output.Length < (long)zLen);
z.Close();
}
}
}