[AMXX] Shop by natives

/*
///////////////////////
Require:
[AMXX] Chat color base "http://pastebin.com/r55Tpurq"
///////////////////////
Include: "http://pastebin.com/7jWH3Y0Z"

Example of use: "http://pastebin.com/4bYw71e4"
*/





#include <amxmodx>
#include <fun>
#include <cstrike>
#include <chatcolor>

#define PLUGIN "Shop"
#define VERSION "1.0"
#define AUTHOR "Sugisaki"

#define MAX_ITEMS   15

#define AVAIBLE     "y"
#define UNAVAIBLE   "r"

enum _:ITEM_DATA
{
    ITEM_NAME[32],
    ITEM_COST,
    ITEM_TEAM
}
enum _: TEAMS
{
    TEAM_TT = 1,
    TEAM_CT,
    TEAM_ALL
}

new g_szItems[MAX_ITEMS][ITEM_DATA];
new g_iTotalItems
new g_iForward
new g_iNumIteamsTeam[TEAMS+1]

public plugin_init()
{
    register_plugin(PLUGIN, VERSION, AUTHOR)

    register_clcmd("say /buy", "client_buy_open")
    register_clcmd("say buy", "client_buy_open")
    register_clcmd("say_team /buy", "client_buy_open")
    register_clcmd("say_team buy", "client_buy_open")
    g_iForward = CreateMultiForward("shop_item_selected", ET_STOP, FP_CELL, FP_CELL, FP_STRING, FP_CELL)
    set_task(300.0, "fw_announcer", _, _, _, "b")
}
public fw_announcer()
{
    //client_print(0, print_chat, "[SHOP] Escribe /buy para abrir la tienda")
    chat_color(0,0, "!n[!tSHOP!n] Escribe !t/buy !npara abrir la tienda")
}
public plugin_natives()
{
    register_native("shop_add_item", "_native_add_item")

}
public _native_add_item(pid, par)
{
    if(g_iTotalItems >= MAX_ITEMS)
        return log_amx("[SHOP] Numero de Items al maximo [ Max %i ] [p2]", MAX_ITEMS, pid)

    get_string(1, g_szItems[g_iTotalItems][ITEM_NAME], charsmax(g_szItems[][ITEM_NAME]))
    g_szItems[g_iTotalItems][ITEM_COST] = get_param(2)
    g_szItems[g_iTotalItems][ITEM_TEAM] = get_param(3)

    log_amx("Item agregado %s", g_szItems[g_iTotalItems][ITEM_NAME])

    g_iTotalItems++
    g_iNumIteamsTeam[get_param(3)]++
    return (g_iTotalItems - 1)
}
public client_buy_open(id)
{
    if(!is_user_alive(id) || !is_user_connected(id)) return PLUGIN_HANDLED

    if(g_iTotalItems  <=0)
    {
        //client_print(id, print_chat, "No hay items en la tienda")
        chat_color(id, MSG_ONE, "!n[!tSHOP!n] No hay !gitems !nen la tienda")
        return PLUGIN_HANDLED
    }
    new team = get_user_team(id)

    if(g_iNumIteamsTeam[get_user_team(id)] <= 0 && !(g_iNumIteamsTeam[TEAM_ALL]))
    {
        chat_color(id, MSG_ONE, "!n[!tSHOP!n] No hay !gitems !ndisponibles para tu !tequipo")
        //client_print(id, print_chat, "No hay items disponibles")
        return PLUGIN_HANDLED
    }
    static item[128], num[3]
    new menu = menu_create("\rBuy menu", "buymenu_handle")
    for(new i = 0; i < g_iTotalItems; i++)
    {

        if(team == g_szItems[i][ITEM_TEAM] || g_szItems[i][ITEM_TEAM] == TEAM_ALL)
        {
            formatex(item, charsmax(item), "\w%s  [\%s$%i\w]", g_szItems[i][ITEM_NAME], (cs_get_user_money(id) < g_szItems[i][ITEM_COST] ? UNAVAIBLE : AVAIBLE), g_szItems[i][ITEM_COST]);
            num_to_str(i, num, charsmax(num));
            menu_additem(menu, item, num);
        }
    }
    menu_display(id, menu)
    return PLUGIN_HANDLED
}
public buymenu_handle(id, menu, item)
{
    if(!is_user_alive(id) || !is_user_connected(id))
    {
        return PLUGIN_HANDLED
    if(item == MENU_EXIT)
    {
    }
        menu_destroy(menu)
        return PLUGIN_HANDLED
    }
    new access, callback, num[3];
    menu_item_getinfo(menu, item, access, num, charsmax(num), _, _, callback);
    menu_destroy(menu);

    new itemid = str_to_num(num);

    new money = cs_get_user_money(id)
    if(g_szItems[itemid][ITEM_COST] > money)
    {
        //client_print(id, print_chat, "[SHOP] No tienes dinero suficientes")
        chat_color(id, MSG_ONE, "!n[!tSHOP!n] No tienes !gdinero !nsuficiente")
        return PLUGIN_HANDLED
    }
    new ret
    if(is_user_alive(id))
    {
        ExecuteForward(g_iForward, ret, id, itemid, g_szItems[itemid][ITEM_NAME], g_szItems[itemid][ITEM_COST])
        cs_set_user_money(id, money - g_szItems[itemid][ITEM_COST])
        //client_print(id, print_chat, "[SHOP] Has comprado %s", g_szItems[itemid][ITEM_NAME])
        chat_color(id, MSG_ONE, "!n[!tSHOP!n] Has !gcomprado !t%s", g_szItems[itemid][ITEM_NAME])
    }
    return PLUGIN_CONTINUE

}