Add sv_hide_info option

Author: Kaffeine

src/engine/server/server.cpp

@@ -1631,7 +1631,32 @@ void CServer::SendServerInfo(const NETADDR *pAddr, int Token, bool Extended, boo
 		memcpy(aBuf, g_Config.m_SvName, sizeof(aBuf));
 #endif
 	}
-	
+
+	const char *pMapName = GetMapName();
+	if(g_Config.m_SvHideInfo)
+	{
+		if(g_Config.m_SvHideInfo == 2)
+		{
+			// Full hide
+			PlayerCount = 0;
+			ClientCount = 0;
+			SendClients = false;
+			pMapName = "";
+		}
+		else
+		{
+			// Limit players
+			static const int SoftLimit = 8;
+			static const int HardLimit = 12;
+			if(PlayerCount > SoftLimit)
+			{
+				PlayerCount = SoftLimit + (PlayerCount - SoftLimit) / 3;
+			}
+			PlayerCount = minimum(PlayerCount, HardLimit);
+			ClientCount = minimum(ClientCount, PlayerCount);
+		}
+	}
+
 	if (Extended)
 	{
 			p.AddString(aBuf, 256);
@@ -1647,7 +1672,8 @@ void CServer::SendServerInfo(const NETADDR *pAddr, int Token, bool Extended, boo
 		   p.AddString(bBuf, 64);
 		}
 	}
-	p.AddString(GetMapName(), 32);
+
+	p.AddString(pMapName, 32);
 
 	// gametype
 	p.AddString(GameServer()->GameType(), 16);
@@ -1692,6 +1718,14 @@ void CServer::SendServerInfo(const NETADDR *pAddr, int Token, bool Extended, boo
 		{
 			if(m_aClients[i].m_State != CClient::STATE_EMPTY)
 			{
+				if(g_Config.m_SvHideInfo)
+				{
+					if(PlayerCount == 0)
+						break;
+
+					--PlayerCount;
+				}
+
 				if (Skip-- > 0)
 					continue;
 				if (--Take < 0)

src/engine/shared/config_variables.h

@@ -29,6 +29,7 @@ MACRO_CONFIG_INT(SvRconTokenCheck, sv_rcon_token_check, 1, 0, 1, CFGFLAG_SERVER,
 MACRO_CONFIG_INT(SvAutoDemoRecord, sv_auto_demo_record, 0, 0, 1, CFGFLAG_SERVER, "Automatically record demos")
 MACRO_CONFIG_INT(SvAutoDemoMax, sv_auto_demo_max, 10, 0, 1000, CFGFLAG_SERVER, "Maximum number of automatically recorded demos (0 = no limit)")
 MACRO_CONFIG_INT(SvServerInfoPerSecond, sv_server_info_per_second, 10, 1, 1000, CFGFLAG_SERVER, "Maximum number of complete server info responses that are sent out per second")
+MACRO_CONFIG_INT(SvHideInfo, sv_hide_info, 0, 0, 2, CFGFLAG_SERVER, "Hide the server info (0=no hide, 1=limit players, 2=full hide)")
 
 MACRO_CONFIG_STR(EcBindaddr, ec_bindaddr, 128, "localhost", CFGFLAG_ECON, "Address to bind the external console to. Anything but 'localhost' is dangerous")
 MACRO_CONFIG_INT(EcPort, ec_port, 0, 0, 0, CFGFLAG_ECON, "Port to use for the external console")