Tutorial SAMP: System Manual Engine

#include <a_samp>
#include <zcmd>

new engine,lights,alarm,doors,bonnet,boot,objective;

#define COLOR_RED 0xFF0000FF
#define COLOR_GREY 0xAFAFAFAA
#define COLOR_YELLOW 0xFFFF00FF

public OnGameModeInit()
{
    ManualVehicleEngineAndLights();
    return 1;
}

CMD:en(playerid) return cmd_engine(playerid);
CMD:engine(playerid)
{
    new vehicleid = GetPlayerVehicleID(playerid);
    if(JikaSepeda(vehicleid)) return SendClientMessage(playerid, COLOR_RED, "ERROR : {FFFFFF}Anda Harus Berada di Dalam Kendaraan Bermesin.");
    if(IsPlayerInAnyVehicle(playerid))
    {
        if(GetPlayerVehicleSeat(playerid) == 0)
        {
            GetVehicleParamsEx(vehicleid,engine,lights,alarm,doors,bonnet,boot,objective);
            new Float:vhealth;
            GetVehicleHealth(vehicleid, vhealth);
            if(vhealth <= 600) return SendClientMessage(playerid, -1, "Kendaraan anda rusak,segera di perbaiki");
            if(engine == 1)
            {
                SendClientMessage(playerid, COLOR_GREY, "MESIN: {FFFFFF}Mesin Kendaraan telah dimatikan");
                SendClientMessage(playerid, COLOR_YELLOW, "TIP: Untuk menyalakan mesin lagi ketik{FF0000}/engine");
                GameTextForPlayer(playerid, "~w~...",1000,3);
                SetVehicleParamsEx(vehicleid,0,0,alarm,doors,bonnet,boot,objective);
                return 1;
            }
            else
            SendClientMessage(playerid, COLOR_YELLOW, "Mesin Mulai Menyala...");
            GameTextForPlayer(playerid, "~w~Mesin Mulai Menyala...",1000,3);
            SetTimerEx("EngineTimer", 2000, 0, "i", playerid);

        }
        else SendClientMessage(playerid, COLOR_RED, "Anda Harus Berada di Dalam Kemudi Kendaraan");
        return 1;
    }
    return 1;
}


forward EngineTimer(playerid);public EngineTimer(playerid)
{
    SendClientMessage(playerid, COLOR_GREY, "MESIN: {FFFFFF}Mesin Telah Hidup");
    GameTextForPlayer(playerid, "~w~Mesin Telah Hidup",1000,3);
    SendClientMessage(playerid, COLOR_YELLOW, "TIP: Untuk mematikan mesin ketik{FF0000}/engine");
    new vehicleid = GetPlayerVehicleID(playerid);
    GetVehicleParamsEx(vehicleid,engine,lights,alarm,doors,bonnet,boot,objective);
    SetVehicleParamsEx(vehicleid,1,1,alarm,doors,bonnet,boot,objective);
}

stock JikaSepeda(playerid)
{
    new vehid = GetVehicleModel(playerid);
    if(vehid == 481 || vehid == 509 || vehid == 510) return 1;
    return false;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    new vehicleid = GetPlayerVehicleID(playerid);
    if(JikaSepeda(vehicleid))
    {
        GetVehicleParamsEx(vehicleid,engine,lights,alarm,doors,bonnet,boot,objective);
        SetVehicleParamsEx(vehicleid,1,1,alarm,0,0,0,objective);
    }
    return 1;
}