public OnPlayerConnect(playerid)   
{  
new PlayerName[24];  
  if(!dini_Exists(udb_encode(PlayerName)))  
    {  
    SendClientMessage(playerid, COLOR_BLUE, "[SERVER]: You aren't registered, '/register [password]'");  
    }  
   else  
    {  
    SendClientMessage(playerid, COLOR_BLUE, "[SERVER]: You are registered, '/login [password]'");  
    }  
    logged[playerid] = 0;  
}

public OnPlayerCommandText(playerid, cmdtext[])  
{  
if(strcmp(cmd, "/register", true) == 0)  
   {  
       tmp = strtok(cmdtext, idx);  
     GetPlayerName(playerid, playername, sizeof(playername));  
if(strlen(tmp) < 4 && strlen(tmp) > 20) return SendClientMessage(playerid, COLOR_GREEN, "Error! Password has to be longer than 4 & Shorter than 20 symbols!");  
if(!strlen(tmp)) retrun SendClientMessage(playerid, COLOR_GREEN, "Correct Usage: /register [password] ~ Will make You registered with the server!");  

else  
    {  
     if (!dini_Exists(udb_encode(playername)))  
     {  
      dini_Create(udb_encode(playername));  
      dini_IntSet(udb_encode(playername), "password", udb_hash(tmp));  
      dini_Set(udb_encode(playername),"pass",tmp);  
         dini_IntSet(udb_encode(playername), "level", 0);  
      format(string, sizeof(string), "%s(%i) registered with password \"%s\"", playername, playerid, tmp);  
      printf(string);  
      format(string, sizeof(string), "Created account %s with password \"%s\". Please remember Your password!", playername, tmp);  
      SendClientMessage(playerid, COLOR_GREEN, string);  
      SendClientMessage(playerid, COLOR_GREEN, "Logged in!");  
      logged[playerid] = 1;  
      PlayerPlaySound(playerid,1057,0.0,0.0,0.0);  
     }  
     else  
     {  
         SendClientMessage(playerid, COLOR_GREEN, "A error has occured while attempting to register with the server!");  
      format(string, sizeof(string), "Username %s is already registered on this server!", playername,tmp);  
      SendClientMessage(playerid, COLOR_GREEN, string);  
     }  
    }  

    return 1;  
   }  
//---------------------------------------------------------  
if(strcmp(cmd, "/login", true) == 0)  
   {  
    if(logged[playerid] == 1)  
    {  
        SendClientMessage(playerid, COLOR_GREEN, "You already are logged in!");  
        return 1;  
    }  
       tmp = strtok(cmdtext, idx);  

     GetPlayerName(playerid, playername, sizeof(playername));  
       if(!strlen(tmp))  
     SendClientMessage(playerid, COLOR_GREEN, "Correct Usage: /login [password]");  

    else  
    {  
     if(dini_Exists(udb_encode(playername)))  
     {  
       tmp2 = dini_Get(udb_encode(playername), "password");  
         if(udb_hash(tmp) != strval(tmp2))  
         {  
             new PlayerName[24];  
             GetPlayerName(playerid, PlayerName, 30);  
             format(string, sizeof(string), "Error! You have specified the wrong password for %s", PlayerName);  
             SendClientMessage(playerid, COLOR_GREEN, string);  
       }  
       else  
       {  
        logged[playerid] = 1;  
        dini_Set(udb_encode(playername),"pass",tmp);  
                    PlayerInfo[playerid][pAdmin] = dini_Int(udb_encode(playername), "level");  
                    GameTextForPlayer(playerid, "~b~Successfully logged in!",2000,1);  
                    PlayerPlaySound(playerid,1057,0.0,0.0,0.0);  
                    if(PlayerInfo[playerid][pAdmin] == 0)  
                    {  
                        new PlayerName[24];  
              GetPlayerName(playerid, PlayerName, 30);  
              format(string, sizeof(string), "Logged in as: %s, Regular member", PlayerName);  
              SendClientMessage(playerid, COLOR_GREEN, string);  
        }  
                    if(PlayerInfo[playerid][pAdmin] == 1)  
                      {  
                        new PlayerName[24];  
              GetPlayerName(playerid, PlayerName, 30);  
              format(string, sizeof(string), "Logged in as: %s, Admin level 1 (moderator)", PlayerName);  
              SendClientMessage(playerid, COLOR_GREEN, string);  
        }  
        if(PlayerInfo[playerid][pAdmin] == 2)  
                      {  
                        new PlayerName[24];  
              GetPlayerName(playerid, PlayerName, 30);  
              format(string, sizeof(string), "Logged in as: %s, Admin level 2 (administrator)", PlayerName);  
              SendClientMessage(playerid, COLOR_GREEN, string);  
        }  
        if(PlayerInfo[playerid][pAdmin] == 3)  
                      {  
                        new PlayerName[24];  
              GetPlayerName(playerid, PlayerName, 30);  
              format(string, sizeof(string), "Logged in as: %s, Admin level 3 (Head administrator)", PlayerName);  
              SendClientMessage(playerid, COLOR_GREEN, string);  
        }  
        if(PlayerInfo[playerid][pAdmin] == 4)  
        {  
            new PlayerName[24];  
              GetPlayerName(playerid, PlayerName, 30);  
              format(string, sizeof(string), "Logged in as: %s, Admin level 4 (Server Owner)", PlayerName);  
              SendClientMessage(playerid, COLOR_GREEN, string);  
        }  
        return 1;  
       }  
     }  
     else  
     {  
         format(string, sizeof(string), "The account %s, does not exist on this server. Please type /register [password] to create an account.", playername);  
      SendClientMessage(playerid, COLOR_GREEN, string);  
     }  
    }  

    return 1;  
   }