Method update

server/src/main/java/jake2/server/SV_MAIN.java:457–517

SV_Frame.

(long msec)

     * SV_Frame.
     */
    public void update(long msec) {
        // if server is not active, do nothing
        // like when connected to another server
        if (games.isEmpty())
            return;

        realtime += msec;
        for (GameImportsImpl game: games.values()) {
            game.realtime += msec;
        }

        // keep the random time dependent
        Lib.rand();

        // check timeouts
        SV_CheckTimeouts();

        // get packets from clients
        SV_ReadPackets();

        // identify if we need to update the game or it's too early (sleep or skip this update).
        // fixedtime - the time of the next scheduled game update.
        long delay = fixedtime - realtime;
        if (delay > 0) {
            // never let the time get too far off
            if (delay > 100) { // how is it even possible?
                for (GameImportsImpl game: games.values())
                    game.realtime = (int) (fixedtime - 100);
                delay = 100;
            }
            NET.Sleep((int) delay);
            return;
        }
        // move autonomous things around if enough time has passed

        frameNum++;
        fixedtime = 100 * frameNum;

        // update ping based on the last known frame from all clients
        SV_CalcPings();

        // give the clients some timeslices
        SV_GiveMsec();

        // let everything in the world think and move
        for (GameImportsImpl game : games.values()) {
            game.SV_RunGameFrame(fixedtime);
        }

        // send messages back to the clients that had packets read this frame
        SV_SendClientMessages();


        // send a heartbeat to the master if needed
        //Master_Heartbeat();

        // clear teleport flags, etc for next frame
        for (GameImportsImpl game : games.values()) {