public List <BoardMatch> getMatches(Dictionary <Position, IBoardEntity> board, int width, int height)
{
List <BoardMatch> matches = new List <BoardMatch>();
//check cols
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height - 2; y++)
{
IBoardEntity be1 = get(board, x, y);
IBoardEntity be2 = get(board, x, y + 1);
IBoardEntity be3 = get(board, x, y + 2);
if (be1 != null && be2 != null && be3 != null &&
be1.getMatchable() && be2.getMatchable() && be3.getMatchable() &&
be1.getType() == be2.getType() && be2.getType() == be3.getType())
{
matches.Add(new BoardMatch(new List <IBoardEntity>()
{
be1, be2, be3
}, be1.getType()));
}
}
}
//check rows
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width - 2; x++)
{
IBoardEntity be1 = get(board, x, y);
IBoardEntity be2 = get(board, x + 1, y);
IBoardEntity be3 = get(board, x + 2, y);
if (be1 != null && be2 != null && be3 != null &&
be1.getMatchable() && be2.getMatchable() && be3.getMatchable() &&
be1.getType() == be2.getType() && be2.getType() == be3.getType())
{
matches.Add(new BoardMatch(new List <IBoardEntity>()
{
be1, be2, be3
}, be1.getType()));
}
}
}
List <BoardMatch> combinedMatches = new List <BoardMatch>();
ISet <BoardMatch> usedMatches = new HashSet <BoardMatch>();
foreach (BoardMatch match1 in matches)
{
foreach (BoardMatch match2 in matches)
{
if (match1 == match2 || usedMatches.Contains(match1) || usedMatches.Contains(match2))
{
continue;
}
if (match1.boardEntities.Intersect(match2.boardEntities).Count() > 0)
{
List <IBoardEntity> combindedHashSet = new List <IBoardEntity>(match1.boardEntities);
combindedHashSet.AddRange(match2.boardEntities);
usedMatches.Add(match1);
usedMatches.Add(match2);
combinedMatches.Add(new BoardMatch(combindedHashSet));
}
}
}
List <BoardMatch> newMatches = new List <BoardMatch>();
foreach (BoardMatch match in matches)
{
if (!usedMatches.Contains(match))
{
newMatches.Add(match);
}
}
newMatches.AddRange(combinedMatches);
return(newMatches);
}
