Fix X360 Crossplay (#26)

^Reviewed-on: #26

Co-authored-by: qloak <realminecart@gmail.com>

Minecraft.Client/ClientConnection.cpp

@@ -1856,6 +1856,7 @@ void ClientConnection::handlePreLogin(shared_ptr<PreLoginPacket> packet)
 	}
 
 #ifdef _XBOX
+#if !defined(_DISABLE_XBLIVE)
 	if(!g_NetworkManager.IsHost() && !app.GetGameHostOption(eGameHostOption_FriendsOfFriends))
 	{
 		if(m_userIndex == ProfileManager.GetPrimaryPad() )
@@ -1999,6 +2000,16 @@ void ClientConnection::handlePreLogin(shared_ptr<PreLoginPacket> packet)
 			}
 		}
 	}
+#else
+	// Offline/system-link games have no Xbox Live friend list, so grant all
+	// pre-login permissions (the Xbox Live-only checks above would otherwise
+	// fail and reject the client's own pre-login before Login is ever sent).
+	canPlay = TRUE;
+	canPlayLocal = TRUE;
+	isAtLeastOneFriend = TRUE;
+	isFriendsWithHost = TRUE;
+	cantPlayContentRestricted = FALSE;
+#endif // _DISABLE_XBLIVE
 #else
 	// TODO - handle this kind of things for non-360 platforms
 	canPlay = TRUE;