/// <summary>
/// Gets a list of all valid moves that could be performed on the board in its current state.
/// </summary>
/// <returns></returns>
private List<Move> GetAllCurrentValidMoves()
{
List<Move> moves = new List<Move>();
for (int x = 0; x < 7; x++)
{
for (int y = 0; y < 7; y++)
{
// If the initial coordinate is not full, the move isn't valid
if (_board[x, y] != State.Full)
continue;
Coordinate coordinate = new Coordinate(x, y);
for (int d = 0; d < 4; d++)
{
Direction direction = (Direction)d;
Move move = new Move(coordinate, GetJumpedCoordinate(coordinate, direction), GetFinalCoordinate(coordinate, direction), direction);
if (IsMoveValid(move))
{
moves.Add(move);
}
}
}
}
return moves;
}
/// <summary>
/// Determines whether or not a move is valid given the current state of the board.
/// </summary>
/// <param name="move">The move to test.</param>
/// <returns>Returns true if the move is valid, otherwise false.</returns>
private bool IsMoveValid(Move move)
{
int initialX = move.InitialLocation.X;
int initialY = move.InitialLocation.Y;
int jumpedX = move.JumpedLocation.X;
int jumpedY = move.JumpedLocation.Y;
int finalX = move.FinalLocation.X;
int finalY = move.FinalLocation.Y;
if (initialX < 0 || initialX > 6 || initialY < 0 || initialY > 6)
return false;
if (finalX < 0 || finalX > 6 || finalY < 0 || finalY > 6)
return false;
if (_board[initialX, initialY] != State.Full)
return false;
if (_board[jumpedX, jumpedY] != State.Full)
return false;
if (_board[finalX, finalY] != State.Open)
return false;
return true;
}
/// <summary>
/// Executes a move on the board. This method does NOT check to ensure that the move is valid.
/// </summary>
/// <param name="move">The move to perform.</param>
private void ExecuteMove(Move move)
{
_board[move.InitialLocation.X, move.InitialLocation.Y] = State.Open;
_board[move.JumpedLocation.X, move.JumpedLocation.Y] = State.Open;
_board[move.FinalLocation.X, move.FinalLocation.Y] = State.Full;
}