Что не так с золотым ак?

#include <amxmodx>
#include <fakemeta>
#include <fun>
#include <hamsandwich>
#include <cstrike>
#include <colorchat>

#define is_valid_player(%1) (1 <= %1 <= 32)

new const AK47_BIT_SUM = (1<<CSW_AK47)

new AK_V_MODEL[64] = "models/goldw/v_golden_ak.mdl"
new AK_P_MODEL[64] = "models/goldw/p_golden_ak.mdl"

new g_hasZoom[33], gold_damage, golden_model, goldak_cost
new bool:g_HasAk[33]

public plugin_init() {
    register_plugin("GoldenAK47 Remake ", "1.0", "Alienware")
    register_clcmd("say /goldenak", "cmdGoldenAk")
    
    gold_damage = register_cvar("goldenak_dmg", "2")
    golden_model = register_cvar("goldenak_custommodel", "1")
    goldak_cost = register_cvar("goldenak_cost", "2500")
      
    register_event("DeathMsg", "Death", "a")
    register_event("WeapPickup", "checkModel", "b","1=19")
    register_event("CurWeapon", "checkWeapon", "be","1=1")

    RegisterHam(Ham_TakeDamage, "player", "fw_TakeDamage")
    RegisterHam(Ham_Spawn, "player", "fwHamPlayerSpawnPost", 1)
        
    register_forward(FM_CmdStart, "fw_CmdStart")
}

public client_connect(id)
    g_HasAk[id] = false

public client_disconnect(id)
    g_HasAk[id] = false

public Death()
    g_HasAk[read_data(2)] = false

public fwHamPlayerSpawnPost(id)
    g_HasAk[id] = false

public plugin_precache() {
    precache_model(AK_V_MODEL)
    precache_model(AK_P_MODEL)
    precache_sound("weapons/zoom.wav")
}

public cmdGoldenAk(id) {
    if(!is_user_alive(id)) return
    
    new money = cs_get_user_money(id)
    
    if(money < get_pcvar_num(goldak_cost)) {
        ColorChat(id, GREEN, "^x01[^x04CSDM by amax^x01] Денег подкопи^x04")
        return
    }
    
    drop_weapon(id, 1)                
    give_item(id, "weapon_ak47")
    cs_set_user_bpammo(id, CSW_AK47, 90)
    cs_set_user_money(id, money - get_pcvar_num(goldak_cost))
    ColorChat(id, GREEN, "^x01[^x04CSDM by amax^x01] Ты купил^x04 Золотой АК")
    g_HasAk[id] = true
}

public checkModel(id) {      
    new szWeapID = read_data(2)
      
    if(szWeapID == CSW_AK47 && g_HasAk[id] == true && get_pcvar_num(golden_model) == 1) {
        set_pev(id, pev_viewmodel2, AK_V_MODEL)
        set_pev(id, pev_weaponmodel2, AK_P_MODEL)
    }
    return PLUGIN_HANDLED
}

public checkWeapon(id) {
    new plrWeapId
    plrWeapId = get_user_weapon(id)

    if (plrWeapId == CSW_AK47 && g_HasAk[id])
        checkModel(id)
    else
        return PLUGIN_CONTINUE
    
    return PLUGIN_HANDLED
}

public fw_TakeDamage(victim, inflictor, attacker, Float:damage) {
    if(is_valid_player(attacker) && get_user_weapon(attacker) == CSW_AK47 && g_HasAk[attacker])
        SetHamParamFloat(4, damage * get_pcvar_float(gold_damage))
}

public fw_CmdStart( id, uc_handle, seed ) {
    if(!is_user_alive(id))
        return PLUGIN_HANDLED
      
    if((get_uc(uc_handle, UC_Buttons) & IN_ATTACK2) && !( pev(id, pev_oldbuttons) & IN_ATTACK2)) {
        new szWeapID = get_user_weapon(id)

        if(szWeapID == CSW_AK47 && g_HasAk[id] == true && !g_hasZoom[id] == true) {
            g_hasZoom[id] = true
            cs_set_user_zoom(id, CS_SET_AUGSG552_ZOOM, 0)
            emit_sound(id, CHAN_ITEM, "weapons/zoom.wav", 0.20, 2.40, 0, 100)
        } else if(szWeapID == CSW_AK47 && g_HasAk[id] == true && g_hasZoom[id]) {
            g_hasZoom[id] = false
            cs_set_user_zoom(id, CS_RESET_ZOOM, 0)        
        }
    }
    return PLUGIN_HANDLED
}

stock drop_weapon(id, dropwhat) {
    static weapons[32], num, i, weaponid
    num = 0
    get_user_weapons(id, weapons, num)
    
    for (i = 0; i < num; i++) {
        weaponid = weapons[i]
        
        if ((dropwhat == 1 && ((1<<weaponid) & AK47_BIT_SUM))) {
            static wname[32]
            get_weaponname(weaponid, wname, charsmax(wname))
            engclient_cmd(id, "drop", wname)
        }
    }
}

public fw_SetModel ( ent, model[] )
{
    if ( pev_valid ( ent ) != 2 )
        return FMRES_IGNORED

    if ( strlen ( model ) < 8 )
        return FMRES_IGNORED

    if ( model[7] != 'w' || model[8] != '_' )
        return FMRES_IGNORED

    static sClassName[32]
    pev ( ent, pev_classname, sClassName, charsmax ( sClassName ) )
    
    if ( !equal ( sClassName, "weaponbox" ) )
        return FMRES_IGNORED

    new id = pev ( ent, pev_owner )

    if ( pev_valid ( id ) != 2 )
        return FMRES_IGNORED
    
    for (new i, iItem; i < MAX_ITEM_TYPES; i++)
    {
        iItem = get_pdata_cbase ( ent, m_rgpPlayerItems_CWeaponBox + i, XO_WEAPON )
        
        if ( pev_valid ( iItem ) == 2 && pev(iItem, pev_impulse))
        {
            g_HasAk[id] = false
            engfunc ( EngFunc_SetModel, ent, AK_W_MODEL )
            return FMRES_SUPERCEDE
        }
    }
    return FMRES_IGNORED
}