fixed networking

engine/engine.cpp

@@ -3,6 +3,7 @@
 #include "input.h"
 #include "mainmenu.h"
 #include "networking.h"
+#include "steam/steam_api_common.h"
 #include "tier0/network.h"
 #include "tier0/platform.h"
 #include "tier1/commandline.h"
@@ -94,6 +95,11 @@ void IEngine::Init()
 	#endif
 
 #ifdef STEAM_ENABLED
+	if(SteamAPI_RestartAppIfNecessary(480))
+	{
+		Plat_Exit(0);
+	}
+
 	SteamErrMsg err;
 	if (SteamAPI_InitEx(&err) != k_ESteamAPIInitResult_OK)
 	{
@@ -143,6 +149,9 @@ void IEngine::Init()
 //-----------------------------------------------------------------------------
 void IEngine::Frame(float fDelta)
 {
+#ifdef STEAM_ENABLED
+	SteamAPI_RunCallbacks();
+#endif
 	IServer::Think(fDelta);
 
 	if (INetworking::IsClient())