Alarm to car by Miroslav

#include <a_samp>
/*____________________________________________________________________________*/
forward OnPlayerTryBreakInACar(playerid,vehicleid);
forward DisableVehicleAlarm(vehicleid);
/*____________________________________________________________________________*/
new bool:IsVehicleLocked[MAX_VEHICLES char] = {false,...};
new AlarmTimer[MAX_VEHICLES char];
/*____________________________________________________________________________*/
stock LockVehicle(vehicleid)
{
    new engine, lights, alarm, doors, bonnet, boot, objective;
    GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
    SetVehicleParamsEx(vehicleid, engine, lights, alarm, 1, bonnet, boot, objective);
    IsVehicleLocked{vehicleid} = true;
}
/*____________________________________________________________________________*/
stock UnLockVehicle(vehicleid)
{
    new engine, lights, alarm, doors, bonnet, boot, objective;
    GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
    SetVehicleParamsEx(vehicleid, engine, lights, alarm, 0, bonnet, boot, objective);
    IsVehicleLocked{vehicleid} = false;
}
/*____________________________________________________________________________*/
stock LockWithException(exceptionid,vehicleid)
{
    for(new i=0; i < MAX_PLAYERS; i++)
    {
        if(i == exceptionid) continue;
        SetVehicleParamsForPlayer(GetPlayerVehicleID(exceptionid),i,0,1);
    }
    IsVehicleLocked{vehicleid} = true;
}
/*____________________________________________________________________________*/
stock UnlockForAll(vehicleid)
{
    for(new i=0; i < MAX_PLAYERS; i++)
    {
        SetVehicleParamsForPlayer(vehicleid,i,0,0);
    }
    IsVehicleLocked{vehicleid} = false;
}
/*____________________________________________________________________________*/
public OnPlayerTryBreakInACar(playerid,vehicleid)
{
    new rnd_nmbr = random(100);
    switch(rnd_nmbr)
    {
        case 23,43,69:
        {
            UnLockVehicle(vehicleid);
            SendClientMessage(playerid,-1,"You broke into someone's car!!");
        }
        default:
        {
            new engine, lights, alarm, doors, bonnet, boot, objective;
            GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
            SetVehicleParamsEx(vehicleid, engine, lights, 1, doors, bonnet, boot, objective);
            KillTimer(AlarmTimer{vehicleid});
            AlarmTimer{vehicleid} = SetTimerEx("DisableVehicleAlarm", 20000, false, "i", vehicleid);
            SetPlayerWantedLevel( playerid , GetPlayerWantedLevel(playerid) + 1 );
        }
    }
    return 1;
}
/*____________________________________________________________________________*/
public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(newkeys == KEY_SECONDARY_ATTACK)
    {
        if(!IsPlayerInAnyVehicle(playerid))
        {
            if(IsVehicleLocked{GetNearestCar(playerid,3.0)} == true) OnPlayerTryBreakInACar(playerid,GetNearestCar(playerid,3.0));
        }
    }
    return 1;
}
/*____________________________________________________________________________*/
public DisableVehicleAlarm(vehicleid)
{
    new engine, lights, alarm, doors, bonnet, boot, objective;
    GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
    SetVehicleParamsEx(vehicleid, engine, lights, 0, doors, bonnet, boot, objective);
}
/*____________________________________________________________________________*/
stock GetNearestCar(playerid, Float:radius)
{
    new Float:X, Float:Y, Float:Z, Float:CarX, Float:CarZ, Float:CarY;
    GetPlayerPos(playerid, X, Y, Z);
    for(new i = 1; i < MAX_VEHICLES; i++)
    {
        GetVehiclePos(i, CarX, CarY, CarZ);
        if((floatabs(X-CarX)<radius)&&(floatabs(Y-CarY)<radius)&&(floatabs(Z-CarZ)<radius))
        {
            return i;
        }
    }
    return false;
}