Aaron

/*
    Vehicle Headlight's Filterscript
    Toggle you vehicles lights on/off :)

    Created by: Anwix (http://forum.sa-mp.com/index.php?action=profile;u=12730)

    Thanks to:
     ~ JernejL (RedShirt) - Encode Lights Script
                                        */

#include <a_samp>

new bool: VehicleLightsOn[MAX_VEHICLES];
new panels, doors, lights, tires;

#define PRESSED(%0) \
    (((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))

public OnFilterScriptInit()
{
    print("\n--------------------------------------");
    print(" Vehicle Lights Filterscript Loaded");
    print("--------------------------------------\n");

    for (new x = 1; x < MAX_VEHICLES; x++)
    {
        VehicleLightsOn[x] = false;
    }
    return 1;
}

public OnFilterScriptExit()
{
    print("\n--------------------------------------");
    print(" Vehicle Lights Filterscript Unloaded");
    print("--------------------------------------\n");
    return 1;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if (newstate == PLAYER_STATE_DRIVER)
    {
        if (VehicleLightsOn[GetPlayerVehicleID(playerid)] == false)
        {
            GetVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, lights, tires);
            UpdateVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, encode_lights(1, 1, 1, 1), tires);
            VehicleLightsOn[GetPlayerVehicleID(playerid)] = false;
        }
        else
        {
            GetVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, lights, tires);
            UpdateVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, encode_lights(0, 0, 0, 0), tires);
            VehicleLightsOn[GetPlayerVehicleID(playerid)] = true;
        }
    }
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if (PRESSED(KEY_ACTION))
    {
        if (IsPlayerInAnyVehicle(playerid) && GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
        {
            if (VehicleLightsOn[GetPlayerVehicleID(playerid)] == false)
            {
                GetVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, lights, tires);
                UpdateVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, encode_lights(0, 0, 0, 0), tires);
                VehicleLightsOn[GetPlayerVehicleID(playerid)] = true;
            }
            else
            {
                GetVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, lights, tires);
                UpdateVehicleDamageStatus(GetPlayerVehicleID(playerid), panels, doors, encode_lights(1, 1, 1, 1), tires);
                VehicleLightsOn[GetPlayerVehicleID(playerid)] = false;
            }
        }
    }
    return 1;
}

/*  Thanks to JernejL (RedShirt) for encode_lights   */
stock encode_lights(light1, light2, light3, light4)
{
    return light1 | (light2 << 1) | (light3 << 2) | (light4 << 3);
}