Voorbeeld van een Backup Systeem

CMD:bk(playerid, params[])
{
    if(PlayerInfo[playerid][Fmember] != 1) return nal(playerid);
    if(lspdduty[playerid] == lspdduty_2) return SCM(playerid, COLOR_GREY, "{FFFFFF}[{6B6B6B}ERROR{FFFFFF}] You can only use this while on duty.");
    if(bkreq[playerid] == 1) return SCM(playerid, COLOR_GREY, "{FFFFFF}[{6B6B6B}ERROR{FFFFFF}] You already placed a backup request. Wait a while before requesting another one.");
    if(bkreq2 > -1 && bkreq2 < 1000) return SCM(playerid, COLOR_GREY, "{FFFFFF}[{6B6B6B}ERROR{FFFFFF}] The GPS system can only handle one backup request at once. Wait till the other request is cleared. ");
    if(bkreq2 > 1000) return SCM(playerid, COLOR_GREY, "{FFFFFF}[{6B6B6B}ERROR{FFFFFF}] The GPS system is currently cooling down. ");
    GetPlayerPos(playerid, bkx[playerid], bky[playerid], bkz[playerid]);
    new str[128];
    bkreq[playerid] = 1;
    bkreq2 = playerid;
    new zonez[28];
    GetPlayer3DZone(playerid, zonez, sizeof(zonez));
    SetTimerEx("clear_backup", 30000, false, "i", playerid);
    format(str, sizeof(str), "[FCSD] %s Is requesting immediate backup at %s. GPS Location Marker activated.", GetNameEx(playerid), zonez);
    SCM(playerid, COLOR_BLUE, str);
    foreach(Player, i)
    {
        if(lspdduty[i] == lspdduty_1)
        {
            if(i != playerid)
            {
                SetPlayerCheckpoint(i, bkx[playerid], bky[playerid], bkz[playerid], 5);
                SCM(i, COLOR_BLUE, str);
                SetTimerEx("update_backup", 3000, false, "i", i);
            }
        }
    }
    return 1;
}


forward clear_backup(playerid);
public clear_backup(playerid)
{
    new str[128];
    bkreq[playerid] = 0;
    bkreq2 = 1500;
    SetTimer("allow_backup", 15000, false);
    format(str, sizeof(str), "[FCSD] Backup request by %s is cleared.", GetNameEx(playerid));
    foreach(Player, i)
    {
        if(lspdduty[i] == lspdduty_1)
        {
            DisablePlayerCheckpoint(i);
            SCM(i, COLOR_BLUE, str);
        }
    }
    return 1;
}

forward update_backup(playerid);
public update_backup(playerid)
{
    if(bkreq[bkreq2] == 1)
    {
        GetPlayerPos(bkreq2, bkx[bkreq2], bky[bkreq2], bkz[bkreq2]);
        SetPlayerCheckpoint(playerid, bkx[bkreq2], bky[bkreq2], bkz[bkreq2], 5);
        SetTimerEx("update_backup", 3000, false, "i", playerid);
    }
    return 1;
}

forward allow_backup();
public allow_backup()
{
    bkreq2 = -1;
    return 1;
}