private void CalculatePuzzleBounds()
{
for (int i = PuzzleSize - 1; i < PuzzleEndState.Count; i += PuzzleSize)
{
RightList.Add(i);
}
for (int i = 0; i < PuzzleEndState.Count; i += PuzzleSize)
{
LeftList.Add(i);
}
for (int i = 0; i < PuzzleSize; i++)
{
UpList.Add(i);
}
for (int i = PuzzleEndState.Count - PuzzleSize; i < PuzzleEndState.Count; i++)
{
DownList.Add(i);
}
}
private Node Up(Node fromNode)
{
Node UpOfNode = new Node()
{
ParentNode = fromNode, Direction = Direction.Up, Length = fromNode.Length + 1, State = NodeState.Untested
};
List <int> CurrentPuzzleState = fromNode.PuzzleState.ToList();
int Location = 0;
int WhitePuzzlePieceLocation = new int();
int UpOfWhitePuzzlePieceLocation = new int();
foreach (int item in CurrentPuzzleState)
{
if (item == MoveablePiece)
{
WhitePuzzlePieceLocation = Location;
UpOfWhitePuzzlePieceLocation = Location - PuzzleSize;
}
Location++;
}
if (!UpList.Contains(WhitePuzzlePieceLocation))
{
CurrentPuzzleState = SwapLocation(CurrentPuzzleState, WhitePuzzlePieceLocation, UpOfWhitePuzzlePieceLocation);
UpOfNode = SetNodeInfo(UpOfNode, CurrentPuzzleState);
// Debug.WriteLine("Up");
}
else
{
UpOfNode.IsMoveable = false;
UpOfNode.State = NodeState.Closed;
}
if (CheckCompletion(CurrentPuzzleState) == true)
{
UpOfNode.Direction = Direction.None;
EndingNode = UpOfNode;
}
return(UpOfNode);
}