как добавить гильзы на ваш Extra Item на своём Zombie Plague сервере Counter Strike 1.6

#define m_iShellLate 57
#define m_flEjectBrass 111
#define m_pActiveItem 373
#define extra_offset 4

new g_iTestShellIndex

g_iTestShellIndex = engfunc(EngFunc_PrecacheModel, "models/rshell.mdl")

new iActiveItem = get_pdata_cbase(Player, m_pActiveItem)

if (!pev_valid(iActiveItem))
{
    return
}

set_pdata_int(iActiveItem, m_iShellLate, g_iTestShellIndex, extra_offset)
set_pdata_float(Player, m_flEjectBrass, get_gametime())

public fw_m4a1drag_PrimaryAttack_Post(Weapon)
{
    g_IsInPrimaryAttack = 0
    new Player = get_pdata_cbase(Weapon, 41, 4)

    new szClip, szAmmo
    get_user_weapon(Player, szClip, szAmmo)

    if(!is_user_alive(Player))
        return

    new iActiveItem = get_pdata_cbase(Player, m_pActiveItem);

    if (!pev_valid(iActiveItem))
    {
        return
    }

    set_pdata_int(iActiveItem, m_iShellLate, g_iTestShellIndex, extra_offset)
    set_pdata_float(Player, m_flEjectBrass, get_gametime())

    if(g_has_hk416[Player])
    {
        if (!g_clip_ammo[Player])
        return

        new Float:push[3]
        pev(Player,pev_punchangle,push)
        xs_vec_sub(push,cl_pushangle[Player],push)

        xs_vec_mul_scalar(push,get_pcvar_float(cvar_recoil_hk416),push)
        xs_vec_add(push,cl_pushangle[Player],push)
        set_pev(Player,pev_punchangle,push)

        if(!cs_get_weapon_silen(Weapon))emit_sound(Player, CHAN_WEAPON, Fire_Sounds[0], VOL_NORM, ATTN_NORM, 0, PITCH_NORM)
        if(cs_get_weapon_silen(Weapon))emit_sound(Player, CHAN_WEAPON, Fire_Sounds[1], VOL_NORM, ATTN_NORM, 0, PITCH_NORM)
        UTIL_PlayWeaponAnimation(Player, cs_get_weapon_silen(Weapon) ? hk416_SHOOT : hk416_SHOOT_UNSIL)
    }
}