#include <zcmd>

enum pInfo // This is our enum
{ // open brackelet
    Level, // This will define "Level" variable .
    Exp, // This will define "Experience" variable. I took "Exp" because it's more easy .
} // close brackelet to show we finished !

new levelexp = 1; // This is our level & exp. Will set exp after Level Up to 1.
new PlayerInfo[MAX_PLAYERS][pInfo]; // We will define our PlayerInfo, else not you will get some errors. "Underfined Symbol : PlayerInfo !"

CMD:levelup(playerid,params[]) // This is our Command ! Change this command to your wanted command !
{ // open brackelet 
    new string[30]; // This is a new "String" variable !
    if(IsPlayerConnected(playerid) == 1) // Checks if player is connected.
    { // Open brackelet 
        new points[248]; // This are a new variable with Experience Points !
        new nxtlevel = PlayerInfo[playerid][Level]+1; // Will add +1 Score and Level to his/her stats !
        new expamount = nxtlevel*levelexp; // This is our "levelexp" new defined !
        if(PlayerInfo[playerid][Exp] < expamount) // Checks if player's exp amount is above the required one or not.
        {
            format(points,sizeof(points)," {FF0000}You need {0066CC}%d {FF0000}exp. points. You currently have {15FF00} %d",expamount,PlayerInfo[playerid][Exp]); // Format, to send to that player message
            SendClientMessage(playerid,-1,points); // Sends that message
            return 1; // Return a value !
        } // close brackelet !
        else // If he have experience neccesarry !
        { // Open brackelet !
            PlayerInfo[playerid][Exp] = 0; //  Setting his Experience to 0 after level up !
            PlayerInfo[playerid][Level]++; // Will set to a player next player's level !
            format(string,sizeof(string),"~g~Your now level: ~r~%d",PlayerInfo[playerid][Level]); // This is format, to send message to player "Your now level : *Player LEVEL*
            GameTextForPlayer(playerid,string,6000,1); // Sends Format message "Your now level: *Player Level*
            return 1; // We add "return 1;", else you will get errors !
        } // Close brackelet ! *1
    } // Close brackelet ! *2
    return 1; // We add "return 1;", to show we finished command, else you will get errors !
} // Close last brackelet !

CMD:level(playerid,params[]) // Our /Level Command
{ // Open brackelet !
    new string2[200]; // Our string, we have 1, so we rename it to "String2"
    new name[MAX_PLAYER_NAME]; // This is players name !
    GetPlayerName(playerid, name, sizeof(name)); // Will Get player's name to put him in Dialog. This will be better in a stock, but works and like this !
    format(string2,sizeof(string2),"{FF0000}Name: {15FF00}%s \n{FF0000}Level: {15FF00}%d\n{FF0000}Exp: {15FF00}%d\n\n{FF0000}This is your {15FF00}Level Stats!",name,PlayerInfo[playerid][Level],PlayerInfo[playerid][Exp]); // This it's format dialog message, wich he will saw his Name,Level,Experience !
    ShowPlayerDialog(playerid,0,DIALOG_STYLE_MSGBOX,"{15FF00}Level",string2,"Close",""); // This is dialog, wich will show to player with the last format message !
    return 1; // Returns a value, to show we finished command !
} // Close brackelet !

CMD:freelevel(playerid,params[])
{
    PlayerInfo[playerid][Level]++;
    SendClientMessage(playerid,-1,"{FF0000}You are now at a new Level");
    return 1;
}

CMD:freeexp(playerid,params[])
{
    PlayerInfo[playerid][Experiencel]++;
    SendClientMessage(playerid,-1,"{FF0000}You got +1 Experience");
    return 1;
}