SAMP - Anti ATJ (Cleo Carjacker)

#define FILTERSCRIPT

#include <a_samp>
#include <callbacks>
#include <foreach>

new
    bool:Suspect[ MAX_PLAYERS char ], bool:PressedKey[ MAX_PLAYERS char ]
;

#define PRESSED(%0) \
    (((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))
#define PUB:%0(%1)  forward %0(%1); \
                    public %0(%1)

#if defined FILTERSCRIPT

public OnFilterScriptInit()
{
    print("\n--------------------------------------");
    print("Anti 'ATJ' by Kyance\nBETA VERSION -LOADED-");
    print("--------------------------------------\n");
    foreach(Player,i) OnPlayerConnect(i);
    return 1;
}

public OnFilterScriptExit()
{
    print("\n--------------------------------------");
    print("Anti 'ATJ' by Kyance\nBETA VERSION -UNLOADED-");
    print("--------------------------------------\n");
    return 1;
}

#endif

public OnPlayerConnect(playerid)
{
    Suspect{ playerid } = false, PressedKey{ playerid } = false;
    return 1;
}
public OnPlayerCarJack(playerid, targetid, vehicleid)
{
    if(PressedKey{ playerid })
    {
        Suspect{ playerid } = true;
        CheckATJ(playerid, targetid);
    }
    return 1;
}
/*
This part of the code isn't tested, that's why it's 'commented'
IMPORTANT: If you wish to uncomment this line, please do some changes in this code, or in the 'OnPlayerCarJack', since then, 2 messages will be sent (if a player gets carjacked by this)
public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if(PressedKey{ playerid })
    {
        if(newstate == PLAYER_STATE_DRIVER && Suspect{ playerid })
        {
            new string[96];
            format(string, sizeof(string), "SERVER: %s is possibly using the 'ATJ' cleo hack!", GetName(playerid)), SendClientMessageToAll(-1, string), string = "\0";
        }
    }
    return 1;
}
IMPORTANT: If you wish to uncomment this line, please do some changes in this code, or in the 'OnPlayerCarJack', since then, 2 messages will be sent (if a player gets carjacked by this)
This part of the code isn't tested, that's why it's 'commented'
*/
public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(PRESSED(KEY_HANDBRAKE)) PressedKey{ playerid } = true, SetTimerEx("ResetPK", 2000, false, "i", playerid);
    return 1;
}
stock CheckATJ(playerid, targetid = INVALID_PLAYER_ID)
{
    if(targetid != INVALID_PLAYER_ID && Suspect{ playerid })
    {
        new vehicleid = GetPlayerVehicleID(playerid), string[98];

        RemovePlayerFromVehicle(playerid), SetTimerEx("PutInVehicle", 1500, false, "ii", targetid, vehicleid);
        format(string, sizeof(string), "SERVER: We've detected that you've possibly been a 'ATJ' target by '%s'", GetName(playerid));
        SendClientMessage(targetid, -1, string), string = "\0";
        format(string, sizeof(string), "SERVER: %s is possibly using the 'ATJ' cleo hack!", GetName(playerid)), SendClientMessageToAll(-1, string), string = "\0";
        //You can delete the 83rd line, and use a Kick instead(or ban... or w.e you want to).
    }
}
stock GetName(playerid)
{
    new pnameid[24];
    GetPlayerName(playerid,pnameid,sizeof(pnameid));
    return pnameid;
}
PUB:ResetPK(playerid)
{
    PressedKey{ playerid } = false;
    return 1;
}
PUB:PutInVehicle(playerid, vehicleid)
{
    PutPlayerInVehicle(playerid, vehicleid, 0);
    SendClientMessage(playerid, -1, "SERVER: You've been put back in your vehicle!");
    return 1;
}