// Find the match that this hexagon piece is part of (implementation)
private void GetMatchingPiecesAt(HexagonPiece piece, HexagonMatch match)
{
bool isPieceAddedToMatch = false;
// Iterate over each possible tuple that is formed with this hexagon piece and see if that tuple is a match
for (int i = 0; i < 6; i++)
{
HexagonTuple tuple = GetTupleAtCorner(piece.X, piece.Y, (HexagonPiece.Corner)i);
if (!tuple.IsEmpty && tuple.IsMatching)
{
if (!isPieceAddedToMatch)
{
match.Add(piece);
isPieceAddedToMatch = true;
}
if (matchesOnGridSet.Add(tuple.piece1))
{
GetMatchingPiecesAt(tuple.piece1, match);
}
if (matchesOnGridSet.Add(tuple.piece2))
{
GetMatchingPiecesAt(tuple.piece2, match);
}
if (matchesOnGridSet.Add(tuple.piece3))
{
GetMatchingPiecesAt(tuple.piece3, match);
}
}
}
}
// Find the match that this hexagon piece is part of (implementation)
private void TryGetMatchingPiecesAt(HexagonPiece piece, HexagonMatch match)
{
bool isPieceAddedToMatch = false;
// Iterate over each possible group that is formed with this hexagon piece and see if that group is a match
for (int i = 0; i < 6; i++)
{
HexagonGroup _group = GetGroupAtCorner(piece.GridPos.x, piece.GridPos.y, (HexagonPiece.Edge)i);
if (_group.IsEmpty || !_group.IsMatching)
{
continue;
}
if (!isPieceAddedToMatch)
{
match.Add(piece);
isPieceAddedToMatch = true;
}
if (matchesOnGridSet.Add(_group.Piece1))
{
TryGetMatchingPiecesAt(_group.Piece1, match);
}
if (matchesOnGridSet.Add(_group.Piece2))
{
TryGetMatchingPiecesAt(_group.Piece2, match);
}
if (matchesOnGridSet.Add(_group.Piece3))
{
TryGetMatchingPiecesAt(_group.Piece3, match);
}
}
}