Sell_weapons.amxx сма

/*
*    Sell Weapons V0.1
*    By Knekter
*
*    This plugin allows you to sell your weapons for
*    some extra cash!  This only works for guns...
*    ill be adding support for grenades and the knife
*    soon!
*
*    CVARS:
*    ------
*    amx_sellweapon <1 = on | 0 = off>
*
*    COMMANDS:
*    ---------
*    say /sell
*
*    Automatically finds the ID of your weapon and
*    returns half the cost of the weapon!
*
*    VERSIONS:
*    ---------
*    V0.1 - Sell Weapons Released (BETA)
*    V0.2 - Added a different way to remove weapons (BETA 2)
*    V0.3 - Fixed an error with weapon removal (BETA 3)
*
*/
/////////////////////
#include <amxmodx>
#include <cstrike>
#include <engine>
/////////////////////
new pOrigin[3]
new cWeapon[33]
new price[30] = {300,0,1375,0,1500,0,700,1750,0,400,375,850,2100,1000,1125,250,200,2375,750,2875
,1500,1550,625,2500,0,325,1750,1250,0,1175}
/////////////////////
public plugin_init()
{
    register_plugin("Sell Weapon","0.1","Knekter")
    register_cvar("amx_sellweapon","1")
    register_clcmd("say /sell","sell_weapon")
    register_event("WeapPickup","checkWeapon","b","1=19")
    register_event("CurWeapon","checkWeapon","be")
}

public plugin_modules()
{
    require_module("engine")
}

public sell_weapon(id)
{
    if(!get_cvar_num("amx_sellweapon") || !is_user_alive(id)) return PLUGIN_HANDLED
    new money = cs_get_user_money(id)

    if(cWeapon[id] == 1 || cWeapon[id] == 3 || cWeapon[id] == 5 || cWeapon[id] == 8 || cWeapon[id] == 24 || cWeapon[id] == 28)
        return PLUGIN_HANDLED

    money += price[cWeapon[id]]

    cs_set_user_money(id,money)

    new tEnt, tfEnt
    new string[32]
    tEnt = find_ent_by_class(-1,"weaponbox")
    while (tEnt > 0)
    {
        tfEnt = find_ent_by_class(tEnt,"weaponbox")
        entity_get_string(tfEnt,EV_SZ_model,string,31)
        remove_entity(tfEnt)
    }
    remove_entity(tEnt)
        

    return PLUGIN_HANDLED
}

public checkWeapon(id)
{
    if(!get_cvar_num("amx_sellweapon")) return PLUGIN_HANDLED
    new tmp1, tmp2
    cWeapon[id] = (get_user_weapon(id,tmp1,tmp2) - 1)
    return PLUGIN_HANDLED
}