/// <summary>
/// BoardNode Constructor - Instantiates a BoardNode object
/// which contains a board state,
/// the action which caused the current state,
/// the parent of the node, and the nodes children.
/// </summary>
/// <param name="board">Current board state</param>
/// <param name="x">X position of move</param>
/// <param name="y">Y position of move</param>
/// <param name="prev">Parent of node</param>
public BoardNode(Board board, int x, int y, BoardNode prev, ArrayList clicked)
{
this.board = board;
this.x = x;
this.y = y;
this.prev = prev;
this.clicked = new ArrayList(clicked);
this.clicked.Add(getAction());
children = new ArrayList();
}
public object[] BoardHandle(string board)
{
int[,] webBoard = JsonConvert.DeserializeObject<int[,]>(board);
Board boardObj = new Board(webBoard);
ArrayList clickedObj = new ArrayList();
BoardNode root = new BoardNode(boardObj, -1, -1, null, clickedObj);
BoardNode solution;
try
{
solution = Search.AStar(root);
}
catch(OutOfMemoryException ex)
{
solution = null;
}
ArrayList actionList = Search.buildActionList(solution);
return actionList.ToArray();
}
/// <summary>
/// checkVisited - Checks a visited list to see if a board state has already
/// been added.
/// </summary>
/// <param name="curBoard">Board to check</param>
/// <param name="visited">Visted list to check</param>
/// <returns>True- Board is in visited. False- Board is not in visited.</returns>
private static bool checkVisited(Board curBoard, ArrayList visited)
{
Board compareBoard;
// Compares each board in the visited list to
// the board sent as argument.
for(int i = 0; i < visited.Count; i++)
{
compareBoard = (Board)visited[i];
if(compareBoard.compare(curBoard))
{
return true;
}
}
return false;
}
/// <summary>
/// Creates a copy of the this board.
/// </summary>
/// <returns>Copy Board Object</returns>
public Board copyBoard()
{
int[,] newBoard = (int[,])board.Clone();
Board copy = new Board(newBoard, numLit);
return copy;
}
/// <summary>
/// Compares two boards to see if they are equal.
/// </summary>
/// <param name="compareTo">Board to be comapred to</param>
/// <returns></returns>
public bool compare(Board compareTo)
{
int current;
// Compare each board position, if a difference is found then boards are not the same.
for (int curRow = 0; curRow < board.GetLength(0); curRow++)
{
for (int curCol = 0; curCol < board.GetLength(1); curCol++)
{
current = this.board[curRow, curCol];
int compareMe = compareTo.board[curRow, curCol];
if (current != compareMe)
{
return false;
}
}
}
return true;
}