protected void SetupKcp()
{
unreliable = new Unreliable(SendWithChecksum)
{
Reserved = RESERVED
};
kcp = new Kcp(0, SendWithChecksum)
{
Reserved = RESERVED
};
kcp.SetNoDelay(delayMode);
kcp.SetWindowSize((uint)sendWindowSize, (uint)receiveWindowSize);
open = true;
Tick().Forget();
}