inv.Init(128);
Item i(100, "Item", WHITE);
Weapon w(100, "Weapon", GREEN, 5, STUF);
Clothe c(100, "Clothe", PURPULE, 10);
Potion p(100, "Potion", BLUE, 100, HILLING);

inv.AddToInventory(i, 1, 0);
inv.AddToInventory(w, 1, 1);
inv.AddToInventory(c, 1, 55);
inv.AddToInventory(p, 3, 3);

void Inventory::AddToInventory(Item &i, int _number, int _index)
{
   i.Add(_number);
   i.SetIndex(_index);
   if(ItemCount < sizeOfInventory)
   {
    vi[_index] = &i;
    ItemCount++;
   }
   else
    cout<<"Inventory is full\n";
}

inv.AddToInventory(i, 1, 0);
inv.AddToInventory(w, 1, 1);
inv.AddToInventory(c, 1, 55);
inv.AddToInventory(p, 3, 3);

void Inventory::AddToInventory(Item i, int _number, int _index)
{
   i.Add(_number);
   i.SetIndex(_index);
   if(ItemCount < sizeOfInventory)
   {
                  Item* pi = new Тип подкласса;
    vi[_index] = π
    ItemCount++;
   }
   else
    cout<<"Inventory is full\n";
}