public bool HasNeighbors(int x, int y)
{
BoardPiece currentPiece = GetPiece(x, y);
if (currentPiece != null)
{
BoardPiece leftPiece = GetPiece(x - 1, y);
if ((leftPiece != null) && (leftPiece.Level == currentPiece.Level))
{
return(true);
}
BoardPiece rightPiece = GetPiece(x + 1, y);
if ((rightPiece != null) && (rightPiece.Level == currentPiece.Level))
{
return(true);
}
BoardPiece topPiece = GetPiece(x, y + 1);
if ((topPiece != null) && (topPiece.Level == currentPiece.Level))
{
return(true);
}
BoardPiece bottomPiece = GetPiece(x, y - 1);
if ((bottomPiece != null) && (bottomPiece.Level == currentPiece.Level))
{
return(true);
}
}
return(false);
}
public List <BoardPiece> GetConnectedPieces(int x, int y, out List <BoardPiece> outline)
{
List <BoardPiece> ret = new List <BoardPiece>();
outline = new List <BoardPiece>();
BoardPiece currentPiece = GetPiece(x, y);
HashSet <BoardPiece> visited = new HashSet <BoardPiece>();
Stack <BoardPiece> stack = new Stack <BoardPiece>();
stack.Push(currentPiece);
while (stack.Count > 0)
{
BoardPiece temp = stack.Pop();
if (visited.Contains(temp))
{
continue;
}
visited.Add(temp);
if (temp.Level == currentPiece.Level)
{
ret.Add(temp);
}
else
{
outline.Add(temp);
continue;
}
BoardPiece left = GetPiece(temp.X - 1, temp.Y);
if ((left != null))
{
stack.Push(left);
}
BoardPiece right = GetPiece(temp.X + 1, temp.Y);
if ((right != null))
{
stack.Push(right);
}
BoardPiece top = GetPiece(temp.X, temp.Y + 1);
if ((top != null))
{
stack.Push(top);
}
BoardPiece bottom = GetPiece(temp.X, temp.Y - 1);
if ((bottom != null))
{
stack.Push(bottom);
}
}
return(ret);
}
private void HandlePieceHighlighted(BoardPiece boardPiece)
{
Color color = m_spriteRenderer.color;
color.a = 0.5f;
m_spriteRenderer.color = color;
}
public int GetPieceLevel(int x, int y)
{
BoardPiece piece = GetPiece(x, y);
if (piece != null)
{
return(piece.Level);
}
return(-1);
}
public Board(int width, int height, int numPieceLevels)
{
m_width = width;
m_height = height;
m_numPieceLevels = numPieceLevels;
m_pieces = new BoardPiece[width + 2, height + 2];
for (int x = 0; x < m_pieces.GetLength(0); x++)
{
for (int y = 0; y < m_pieces.GetLength(1); y++)
{
m_pieces[x, y] = new BoardPiece(x, y, this);
m_pieces[x, y].Level = -1;
}
}
}
private void HandlePieceUnhighlighted(BoardPiece boardPiece)
{
m_spriteRenderer.color = parentBoard.colorLevels[boardPiece.Level];
}
private void HandlePieceLevelChanged(BoardPiece boardPiece, int oldLevel, int newLevel)
{
m_spriteRenderer.color = parentBoard.colorLevels[newLevel];
}
private void HandlePieceDestroyed(BoardPiece boardPiece)
{
Destroy(gameObject);
}
