[Falcon.]

pawn Код:

new playersC;

public OnPlayerConnect(playerid)
{
    playersC ++;
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    playersC --;
    return 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
    if(!strcmp(cmdtext, "/playersC", true))
    {
        static string[21];
        format(string, 21, "players in-game: %02i", playersC);
        return SendClientMessage(playerid, -1, string);
    }
    return 0;
}