Блокировние кнопки

#include <amxmodx>
#include <cstrike>
#include <engine>
#include <hamsandwich>
#include <fun>

public plugin_init()
{
    register_message(get_user_msgid("CurWeapon"),"event_weapon")
    RegisterHam ( Ham_Spawn, "player", "usp", 1 )
}

public usp(id)
{
    strip_user_weapons(id)
    {
    give_item(id, "weapon_usp")
    cs_set_user_bpammo(id, CSW_USP, 140)
    }
    gibe_item(id, "weapon_knife")
}
    
public event_weapon( msg_id,msg_dest,id )
{
    new wpn = get_msg_arg_int(2)

    if(wpn == 2)
    {
        return PLUGIN_CONTINUE
    }

    new wpn_name[17]
    get_weaponname(wpn,wpn_name,16)

    new wid = find_ent_by_owner(-1,wpn_name,id)

    if(!wid)
    {
        return PLUGIN_CONTINUE
    }

    if(wpn == CSW_USP || wpn == CSW_M4A1)
    {
         cs_set_weapon_silen(wid,1,0)
    }

    return PLUGIN_CONTINUE
}