engine: server: port old engine's fullupdate ratelimit, but simplify it

engine/server/server.h

@@ -471,6 +471,7 @@ extern convar_t		sv_userinfo_enable_penalty;
 extern convar_t		sv_userinfo_penalty_time;
 extern convar_t		sv_userinfo_penalty_multiplier;
 extern convar_t		sv_userinfo_penalty_attempts;
+extern convar_t		sv_fullupdate_penalty_time;
 
 //===========================================================
 //

engine/server/sv_client.c

@@ -3090,10 +3090,18 @@ void SV_ExecuteClientCommand( sv_client_t *cl, const char *s )
 
 	if( !u->name && sv.state == ss_active )
 	{
+		qboolean fullupdate = !Q_strcmp( Cmd_Argv( 0 ), "fullupdate" );
+
+		if( fullupdate )
+		{
+			if( sv_fullupdate_penalty_time.value && host.realtime < cl->fullupdate_next_calltime )
+				return;
+		}
+
 		// custom client commands
 		svgame.dllFuncs.pfnClientCommand( cl->edict );
 
-		if( !Q_strcmp( Cmd_Argv( 0 ), "fullupdate" ))
+		if( fullupdate )
 		{
 			// resend the ambient sounds for demo recording
 			SV_RestartAmbientSounds();
@@ -3103,6 +3111,9 @@ void SV_ExecuteClientCommand( sv_client_t *cl, const char *s )
 			SV_RestartStaticEnts();
 			// resend the viewentity
 			SV_UpdateClientView( cl );
+
+			if( sv_fullupdate_penalty_time.value )
+				cl->fullupdate_next_calltime = host.realtime + sv_fullupdate_penalty_time.value;
 		}
 	}
 }

engine/server/sv_main.c

@@ -144,7 +144,7 @@ CVAR_DEFINE_AUTO( sv_userinfo_enable_penalty, "1", FCVAR_ARCHIVE, "enable penalt
 CVAR_DEFINE_AUTO( sv_userinfo_penalty_time, "0.3", FCVAR_ARCHIVE, "initial penalty time" );
 CVAR_DEFINE_AUTO( sv_userinfo_penalty_multiplier, "2", FCVAR_ARCHIVE, "penalty time multiplier" );
 CVAR_DEFINE_AUTO( sv_userinfo_penalty_attempts, "4", FCVAR_ARCHIVE, "if max attempts count was exceeded, penalty time will be increased" );
-
+CVAR_DEFINE_AUTO( sv_fullupdate_penalty_time, "1", FCVAR_ARCHIVE, "allow fullupdate command only once in this timewindow (set 0 to disable)" );
 
 //============================================================================
 /*
@@ -938,6 +938,7 @@ void SV_Init( void )
 	Cvar_RegisterVariable( &sv_userinfo_penalty_time );
 	Cvar_RegisterVariable( &sv_userinfo_penalty_multiplier );
 	Cvar_RegisterVariable( &sv_userinfo_penalty_attempts );
+	Cvar_RegisterVariable( &sv_fullupdate_penalty_time );
 
 	// when we in developer-mode automatically turn cheats on
 	if( host_developer.value ) Cvar_SetValue( "sv_cheats", 1.0f );