In-Game FPS Textdraw

#include <a_samp>

new fpsON[MAX_PLAYERS];
new TimerFPS;
new pDrunkLevelLast[MAX_PLAYERS];
new pFPS[MAX_PLAYERS];
new Text:FPS[MAX_PLAYERS];
forward RefreshFPS(playerid);

public OnFilterScriptInit()
{
        print("In-Game FPS by SkillNasr");
        return 1;
}

public OnFilterScriptExit()
{
        return 1;
}

public OnPlayerConnect(playerid)
{
    /* Crea la TextDraw */
    FPS[playerid] = TextDrawCreate(596.000000, 0.000000, "_");
    TextDrawBackgroundColor(FPS[playerid], 255);
    TextDrawFont(FPS[playerid], 3);
    TextDrawLetterSize(FPS[playerid], 0.669999, 1.900000);
    TextDrawColor(FPS[playerid], -65281);
    TextDrawSetOutline(FPS[playerid], 0);
    TextDrawSetProportional(FPS[playerid], 1);
    TextDrawSetShadow(FPS[playerid], 1);
    fpsON[playerid] = 0;
    /**/
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    fpsON[playerid] = 0;
    return 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
    if(!strcmp(cmdtext, "/fps", true))
    {
        if(fpsON[playerid] == 0)
        {
            PlayerPlaySound(playerid,1054,0.0,0.0,0.0),
            TimerFPS = SetTimerEx("RefreshFPS", 500, true, "i",playerid);
            fpsON[playerid] = 1;
        }
        else if(fpsON[playerid] == 1)
        {
            PlayerPlaySound(playerid,1054,0.0,0.0,0.0),
            KillTimer(TimerFPS);
            fpsON[playerid] = 0;
            TextDrawHideForPlayer(playerid, FPS[playerid]);
        }
        return 1;
    }
        return 0;
}

public OnPlayerUpdate(playerid)
{

    new drunknew;
    drunknew = GetPlayerDrunkLevel(playerid);

    if (drunknew < 100) {
        SetPlayerDrunkLevel(playerid, 2000);
    } else {

        if (pDrunkLevelLast[playerid] != drunknew) {

            new wfps = pDrunkLevelLast[playerid] - drunknew;

            if ((wfps > 0) && (wfps < 200))
                pFPS[playerid] = wfps;

            pDrunkLevelLast[playerid] = drunknew;
        }

    }
        return 1;
}

public RefreshFPS(playerid)
{
    new string[128];
    format(string, sizeof(string), "%i",pFPS[playerid]);
    TextDrawSetString(FPS[playerid], string);
    TextDrawShowForPlayer(playerid, FPS[playerid]);
    return 1;
}