ps4 support final

Minecraft.Client/Common/Network/PlatformNetworkManager.cpp

@@ -477,6 +477,8 @@ bool CPlatformNetworkManagerStub::_RunNetworkGame()
 {
 	extern QNET_STATE _iQNetStubState;
 	_iQNetStubState = QNET_STATE_GAME_PLAY;
+	if (m_pIQNet->IsHost())
+		NetworkSocketLayer::UpdateAdvertiseJoinable(true);
 
 	for (DWORD i = 0; i < IQNet::s_playerCount; i++)
 	{
@@ -698,7 +700,7 @@ void CPlatformNetworkManagerStub::SearchForGames()
 {
 	std::vector<LANSession> lanSessions = NetworkSocketLayer::GetDiscoveredSessions();
 
-	if (g_MultiplayerJoin)
+	if (g_MultiplayerJoin && g_MultiplayerIP[0] != '\0')
 	{
 		bool alreadyPresent = false;
 		for (size_t i = 0; i < lanSessions.size(); i++)