gistfile1.java

	public class Node {
		public Node parent;
		int x, y, flag;
		int cost;

		public Node(int x, int y, int flag) {
			this.x = x;
			this.y = y;
			this.flag = flag;
		}

		public Node[] getNeighbours() {
			return new Node[]{
					nodes[x - 1][y],
					nodes[x + 1][y],
					nodes[x][y - 1],
					nodes[x][y + 1]
			};
		}

		@Override
		public boolean equals(final Object o) {
			if (o instanceof Node) {
				final Node n = (Node) o;
				return this.x == n.x && this.y == n.y
						&& this.cost == n.cost;
			}
			return false;
		}

		public Tile toTile(int bX, int bY, int plane) {
			return new Tile(x + bX, y + bY, plane);
		}

		@Override
		public String toString() {
			return ("(" + x + ", " + y + ")");
		}

	}