//Updates text labels
        void UpdateLabels()
        {
            availableGoldLabel.Text = GameManager.Instance.PlayerEntity.GoldPieces.ToString();

            int travelTimeDaysLand  = 0;
            int travelTimeDaysWater = 0;
            int travelTimeDaysTotal = 0;

            if (travelTimeCalculator.TravelTimeTotalLand > 0)
            {
                travelTimeDaysLand = (int)((travelTimeCalculator.TravelTimeTotalLand / 60 / 24) + 0.5);
            }
            if (travelTimeCalculator.TravelTimeTotalWater > 0)
            {
                travelTimeDaysWater = (int)((travelTimeCalculator.TravelTimeTotalWater / 60 / 24) + 0.5);
            }
            travelTimeDaysTotal = travelTimeDaysLand + travelTimeDaysWater;

            tripCost = FormulaHelper.CalculateTripCost(
                travelTimeCalculator.TravelTimeTotalLand,
                travelTimeCalculator.TravelTimeTotalWater,
                speedCautious,
                sleepModeInn,
                travelFoot,
                TravelTimeCalculator.CautiousMod,
                TravelTimeCalculator.ShipMod);

            travelTimeLabel.Text = string.Format("{0}", travelTimeDaysTotal);
            tripCostLabel.Text   = tripCost.ToString();
        }