public static byte[] CompressPacketsForWrapper(List <Packet> packets, CompressionLevel compressionLevel = CompressionLevel.Fastest)
{
long length = 0;
foreach (Packet packet in packets)
{
length += packet.Encode().Length;
}
compressionLevel = length > 1000 ? compressionLevel : CompressionLevel.NoCompression;
using (MemoryStream stream = MiNetServer.MemoryStreamManager.GetStream())
{
int checksum;
using (var compressStream = new DeflateStream(stream, compressionLevel, true))
{
foreach (Packet packet in packets)
{
byte[] bs = packet.Encode();
if (bs != null && bs.Length > 0)
{
BatchUtils.WriteLength(compressStream, bs.Length);
compressStream.Write(bs, 0, bs.Length);
}
packet.PutPool();
}
compressStream.Flush();
}
byte[] bytes = stream.ToArray();
return(bytes);
}
}
public static byte[] CompressPacketsForWrapper(List <Packet> packets, CompressionLevel compressionLevel = CompressionLevel.Fastest)
{
long length = 0;
foreach (Packet packet in packets)
{
length += packet.Encode().Length;
}
compressionLevel = length > 1000 ? compressionLevel : CompressionLevel.NoCompression;
using (MemoryStream stream = MiNetServer.MemoryStreamManager.GetStream())
{
stream.WriteByte(0x78); // zlib header
switch (compressionLevel)
{
case CompressionLevel.Optimal:
stream.WriteByte(0xda);
break;
case CompressionLevel.Fastest:
stream.WriteByte(0x9c);
break;
case CompressionLevel.NoCompression:
stream.WriteByte(0x01);
break;
}
int checksum;
using (var compressStream = new ZLibStream(stream, compressionLevel, true))
{
foreach (Packet packet in packets)
{
byte[] bs = packet.Encode();
if (bs != null && bs.Length > 0)
{
BatchUtils.WriteLength(compressStream, bs.Length);
compressStream.Write(bs, 0, bs.Length);
}
packet.PutPool();
}
checksum = compressStream.Checksum;
compressStream.Flush();
}
var checksumBytes = BitConverter.GetBytes(checksum);
if (BitConverter.IsLittleEndian)
{
// Adler32 checksum is big-endian
Array.Reverse(checksumBytes);
}
stream.Write(checksumBytes);
byte[] bytes = stream.ToArray();
return(bytes);
}
}
