Minesweeper.MineSweeperGame.CalculateTileValue C# (CSharp) Method

        private int CalculateTileValue(Tile tile)
        {
            int value = 0;
            Tile target = null;

            // upper left
            target = GetNeighbor(tile, Neighbors.UpperLeft);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            // above
            target = GetNeighbor(tile, Neighbors.Above);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            // upper right
            target = GetNeighbor(tile, Neighbors.UpperRight);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            // left
            target = GetNeighbor(tile, Neighbors.Left);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            // right
            target = GetNeighbor(tile, Neighbors.Right);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            // lower left
            target = GetNeighbor(tile, Neighbors.LowerLeft);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            // below
            target = GetNeighbor(tile, Neighbors.Below);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            // lower right
            target = GetNeighbor(tile, Neighbors.LowerRight);
            if (target != null) {
                if (target.isMine()) {
                    value++;
                }
            }

            return value;
        }