/*
         *  Conditions must apply:
         *  no other player's settlement must be present at this location or, within 1 road's distance.
         *      if a settlement exists player must have required resources:
         *  must have required resources: Brick, Wood, Wheat, Sheep
         *
         */
        public void buildSettlement(Player currentPlayer, bool takeResources, bool connectionCheck)
        {
            if (owningPlayer == null)
            {
                if (takeResources && !Bank.hasPayment(currentPlayer, Bank.SETTLEMENT_COST))
                {
                    throw new BuildError(BuildError.NOT_ENOUGH_RESOURCES);
                }
                if (!checkForOtherSettlement())
                {
                    throw new BuildError(BuildError.SETTLEMENT_TOO_CLOSE);
                }

                if (connectionCheck && !checkForConnection(currentPlayer))
                {
                    throw new BuildError(BuildError.NO_CONNECTION_SETTLEMENT);
                }

                setOwningPlayer(currentPlayer);
                currentPlayer.addSettlement(this);
            }
            else if (owningPlayer == currentPlayer)
            {
                if (!Bank.hasPayment(currentPlayer, Bank.CITY_COST))
                {
                    throw new BuildError(BuildError.NOT_ENOUGH_RESOURCES);
                }

                if (isCity)
                {
                    throw new BuildError(BuildError.IS_CITY);
                }

                this.isCity = true;
                this.image  = new Bitmap("Resources/city.png");
            }
            else
            {
                throw new BuildError(BuildError.LocationOwnedBy(owningPlayer));
            }
            this.Refresh();
        }
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        /**
         *  Add condition:
         *      Must have either a road or a settlement with matching player.
         */
        public void buildRoad(Player currentPlayer, bool takeResources)
        {
            if (owningPlayer != null)
            {
                throw new BuildError(BuildError.LocationOwnedBy(owningPlayer));
            }

            if (takeResources && !Bank.hasPayment(currentPlayer, Bank.ROAD_COST))
            {
                throw new BuildError(BuildError.NOT_ENOUGH_RESOURCES);
            }

            if (!checkForConnection(currentPlayer))
            {
                throw new BuildError(BuildError.NO_CONNECTED_ROAD);
            }


            this.owningPlayer = currentPlayer;
            //this.BackColor = currentPlayer.getPlayerColor();
            currentPlayer.addRoad(this);
            this.Refresh();
        }