/// <summary>
/// Try to buy and equip user selected item.
/// </summary>
/// <param name="selectedItem">Shop item to buy and equip.</param>
public void TryBuyAndEquipItem(ShopItem selectedItem)
{
if (!IsSelectedItemCanBeBought)
{
return;
}
selectedItem.EquipItem();
playerMoney.TrySubtractMoney(selectedItem.buyCost);
}