treasure hunt

#include <a_samp>
#include <YSI\y_va>
#include <YSI\y_groups>
#include <Pawn.CMD>
#include <sscanf2>

new nagrada,Float:xPos[3],xPickup,bool:xpokrenut,Group:ghunt;
public OnFilterScriptInit()
{
    print("\n--------------------------------------");
    print(" Treasuer Hunt by Common uspjesno ucitan");
    print("--------------------------------------\n");
    ghunt = Group_Create("trhunt");
    return 1;
}
public OnPlayerDisconnect(playerid, reason)
{
    if(xpokrenut && GetPVarInt(playerid, "IsJoined") != 0) { DeletePVar(playerid, "IsJoined"); Group_SetPlayer(ghunt, playerid, false); }
    return 1;
}
public OnPlayerEnterCheckpoint(playerid)
{
    if(xpokrenut && GetPVarInt(playerid, "IsJoined") != 0 && IsPlayerInRangeOfPoint(playerid,1.5,xPos[0],xPos[1],xPos[2]))
    {
        DeletePVar(playerid, "IsJoined"); xpokrenut = false; DestroyPickup(xPickup);
        GivePlayerMoney(playerid,nagrada); DisablePlayerCheckpoint(playerid);
        va_SendClientMessageToAll(-1,"{FCB514}[HUNT] {ffffff}%s je pronasao torbu sa %d$.",GetName(playerid),nagrada); nagrada = 0;
        //ovo dole sam morao ovako napraviti jer se skripta rusi kada izbacujes direktno iz grupe dok traje foreach
        new ide[MAX_PLAYERS],brojka;
        foreach(Group(ghunt), id) { ide[brojka] = id; brojka ++; }
        for(new i; i < brojka; i++)
        {
            Group_SetPlayer(ghunt, ide[i], false); DeletePVar(ide[i], "IsJoined"); DisablePlayerCheckpoint(playerid);
        }
    }
    return 1;
}
CMD:ah(playerid, params[])
{
    if(!IsPlayerAdmin(playerid)) return SendClientMessage(playerid,-1, "Nisi ovlasten!");
    SendClientMessage(playerid,-1,"/thunt /ao");
    return 1;
}
CMD:ao(playerid, params[])
{
    if(!IsPlayerAdmin(playerid)) return SendClientMessage(playerid,-1, "Nisi ovlasten!");
    new string[40];
    if(sscanf(params,"s[40]",string)) return SendClientMessage(playerid,-1,"/ao [poruka]");
    va_SendClientMessageToAll(-1," [A] Admin %s: %s.",GetName(playerid),string);
    return 1;
}
CMD:thunt(playerid, params[])
{
    if(!IsPlayerAdmin(playerid)) return SendClientMessage(playerid,-1, "Nisi ovlasten!");
    if(xpokrenut) return SendClientMessage(playerid,-1,"Event je vec pokrenut");
    if(sscanf(params,"d",nagrada)) return SendClientMessage(playerid,-1,"/thunt [nagrada]");
    va_SendClientMessageToAll(-1,"Pokrenut je treasure hunt sa nagradom %d$. Da se prikljucite /join.",nagrada);
    GetPlayerPos(playerid,xPos[0],xPos[1],xPos[2]); xpokrenut = true;
    xPickup = CreatePickup(1210, 1, xPos[0],xPos[1],xPos[2]);
    return 1;
}
CMD:join(playerid, params[])
{
    if(GetPVarInt(playerid, "IsJoined") == 1 || !xpokrenut) return SendClientMessage(playerid,-1,"Vec ucestvujes ili event nije pokrenut");
    SetPVarInt(playerid, "IsJoined", 1); SendClientMessage(playerid,-1,"Uspjesno si se prikljucio {FCB514}Treasure Huntu");
    SetPlayerCheckpoint(playerid,xPos[0],xPos[1],xPos[2],1.5); Group_SetPlayer(ghunt, playerid, true);
    return 1;
}
CMD:left(playerid, params[])
{
    if(!xpokrenut || GetPVarInt(playerid, "IsJoined") == 0) return SendClientMessage(playerid,-1,"Ne ucestvujes u potrazi ili event nije pokrenut");
    DeletePVar(playerid, "IsJoined"); SendClientMessage(playerid,-1,"Uspjesno si leftao {FCB514}Treasure Hunt");
    DisablePlayerCheckpoint(playerid); Group_SetPlayer(ghunt, playerid, false);
    return 1;
}
GetName(id)
{
    new name[MAX_PLAYER_NAME + 1];
    GetPlayerName(id, name, sizeof(name));
    return name;
}