public void SaveToXML(string path)
        {
            XmlDocument xDoc = new XmlDocument();

            var root = xDoc.CreateElement("GameCore");

            var activePlayer = xDoc.CreateElement("ActivePlayer");
            activePlayer.AppendChild(xDoc.CreateTextNode(ActivePlayer.ToString()));

            var player1Team = xDoc.CreateElement("FirstTeam");
            FillTeam(xDoc, player1Team, Player1Units);

            var player2Team = xDoc.CreateElement("SecondTeam");
            FillTeam(xDoc, player2Team, Player2Units);

            root.AppendChild(activePlayer);
            root.AppendChild(player1Team);
            root.AppendChild(player2Team);

            xDoc.AppendChild(root);

            xDoc.Save(path);
        }

        private void FillTeam(XmlDocument xDoc, XmlElement player1Team, List<Unit> player1Units)
        {
            for (int i = 0; i < player1Units.Count; ++i)
            {
                var t = xDoc.CreateElement("Unit");
                Unit t1 = player1Units[i];
                t.SetAttribute("Unit_name", t1.Unit_name);
                t.SetAttribute("AI_Value", t1.AI_Value.ToString());
                t.SetAttribute("Attack", t1.Attack.ToString());
                t.SetAttribute("Defence", t1.Defence.ToString());
                t.SetAttribute("Gold", t1.Gold.ToString());
                t.SetAttribute("Growth", t1.Growth.ToString());
                t.SetAttribute("Health", t1.Health.ToString());
                t.SetAttribute("MaximumDamage", t1.MaximumDamage.ToString());
                t.SetAttribute("MinimumDamage", t1.MinimumDamage.ToString());
                t.SetAttribute("Speed", t1.Speed.ToString());

                player1Team.AppendChild(t);
            }
        }