[Nero_3D]

pawn Код:

//OnGameModeInit()
if(!dini_Exists("Levels")) dini_Create("Levels");

pawn Код:

//OnPlayerConnect(playerid)
new pname[MAX_PLAYER_NAME];
GetPlayerName(playerid,pname,MAX_PLAYER_NAME);
if(!dini_Int("Levels",pname)) dini_IntSet("Levels",pname,0);

pawn Код:

//OnPlayerCommandText(playerid,cmdtext[])
new idx;
if(!strcmp("/setlevel",cmdtext,true)) 
{
    new Player = strtok(cmdtext, idx);
    if(!strlen(Player)) return SendClientMessage(playerid,COLOR,"/setlevel [playerid] [0-4]");
    new PlayerID = strval(Player);
    if(!IsPlayerConnected(PlayerID)) return SendClientMessage(playerid,COLOR,"Invalid playerid!");
    new Level = strval(strtok(cmdtext, idx));
    if((Level < 0) || (Level > 4)) return SendClientMessage(playerid,COLOR,"/setlevel [playerid] [0-4]");
    new pname[MAX_PLAYER_NAME];
    GetPlayerName(PlayerID,pname,MAX_PLAYER_NAME);
    if(dini_Int("Levels",pname) == Level) return SendClientMessage(playerid,COLOR,"The player already have this level");
    new string[128];
    dini_IntSet("Levels",pname,Level);
    format(string,sizeof(string),"%s(%d) got a new Level (%d)",pname,PlayerID,Level);
    SendClientMessage(playerid,COLOR,string);
}

Dunno if thats works 100% maybe when someone see something wrong pls corret or just say it