private List<GameBlockSelector> GetNullNeighbors(GameBlockSelector gameBlockSelector)
{
List<GameBlockSelector> nullNeighbor = new List<GameBlockSelector>();
int row = gameBlockSelector.Row - 1;
int column = gameBlockSelector.Column;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
GameBlockSelector top = this.solvedGameBoard[row][column];
if (top.BlockType == GameBoard.GameBlockType.Null)
{
nullNeighbor.Add(top);
}
}
row = gameBlockSelector.Row + 1;
column = gameBlockSelector.Column;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
GameBlockSelector bottom = this.solvedGameBoard[row][column];
if (bottom.BlockType == GameBoard.GameBlockType.Null)
{
nullNeighbor.Add(bottom);
}
}
row = gameBlockSelector.Row;
column = gameBlockSelector.Column - 1;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
GameBlockSelector left = this.solvedGameBoard[row][column];
if (left.BlockType == GameBoard.GameBlockType.Null)
{
nullNeighbor.Add(left);
}
}
row = gameBlockSelector.Row;
column = gameBlockSelector.Column + 1;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
GameBlockSelector right = this.solvedGameBoard[row][column];
if (right.BlockType == GameBoard.GameBlockType.Null)
{
nullNeighbor.Add(right);
}
}
return nullNeighbor;
}
private void OnInitializeGameBoard()
{
ObservableCollection<ObservableCollection<GameBlockSelector>> oldBoard = this.solvedGameBoard;
int oldRows = oldBoard == null ? 0 : oldBoard.Count;
int oldColumns = oldRows > 0 ? oldBoard[0].Count : 0;
this.SolvedGameBoard = new ObservableCollection<ObservableCollection<GameBlockSelector>>();
for (int i = 0; i < this.numberOfRows; i++)
{
ObservableCollection<GameBlockSelector> row = new ObservableCollection<GameBlockSelector>();
for (int j = 0; j < this.numberOfColumns; j++)
{
if (oldRows > i && oldColumns > j)
{
row.Add(oldBoard[i][j]);
}
else
{
GameBlockSelector gameBlockSelector = new GameBlockSelector(GameBoard.GameBlockType.Null);
gameBlockSelector.Row = i;
gameBlockSelector.Column = j;
row.Add(gameBlockSelector);
}
}
this.solvedGameBoard.Add(row);
}
}
private GameBlockSelector GetNeighbor(GameBlockSelector gameBlockSelector, MovementDirection direction)
{
GameBlockSelector neighbor = null;
int row;
int column;
switch (direction)
{
case MovementDirection.Up:
row = gameBlockSelector.Row - 1;
column = gameBlockSelector.Column;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
neighbor = this.solvedGameBoard[row][column];
}
break;
case MovementDirection.Down:
row = gameBlockSelector.Row + 1;
column = gameBlockSelector.Column;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
neighbor = this.solvedGameBoard[row][column];
}
break;
case MovementDirection.Left:
row = gameBlockSelector.Row;
column = gameBlockSelector.Column - 1;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
neighbor = this.solvedGameBoard[row][column];
}
break;
case MovementDirection.Right:
row = gameBlockSelector.Row;
column = gameBlockSelector.Column + 1;
if (row >= 0 && row < this.solvedGameBoard.Count && column >= 0 && column < this.solvedGameBoard[0].Count)
{
neighbor = this.solvedGameBoard[row][column];
}
break;
}
return neighbor;
}
