public KCPObject(int user)
{
this.user = user;
kcp = KCP.KcpCreate(0xAABBCCDD, new IntPtr(user));
kcpOutput = KCPOutput;
KCP.KcpSetoutput(this.kcp, kcpOutput);
// fast mode
KCP.KcpNodelay(kcp, 1, 10, 2, 1);
KCP.KcpWndsize(kcp, 128, 128);
}