public HashSet <Coordinate> GetValidPlayableSpaces()
{
if (ValidPlayableSpacesCache != null && ValidPlayableSpacesCache.Count > 0)
{
return(ValidPlayableSpacesCache);
}
// For every played card, add every neighboring coordinate to a HashSet (no duplicates)
HashSet <Coordinate> neighborsOfHappyCoordinates = new HashSet <Coordinate>(GetHappyCoordinates().SelectMany(coordinate => coordinate.GetNeighbors()));
HashSet <Coordinate> neighborsOfNotHappyCoordinates = new HashSet <Coordinate>(GetNotHappyCoordinates().SelectMany(coordinate => coordinate.GetNeighbors()));
HashSet <Coordinate> finalCut = new HashSet <Coordinate>();
// For each considered Coordinate, if all the following is true, consider that spot valid:
// - there are no cards on that spot
// - there are no happy cards neighboring that spot
foreach (Coordinate consideredCoordinate in neighborsOfNotHappyCoordinates)
{
if (PlayedCards.ContainsKey(consideredCoordinate))
{
continue;
}
if (neighborsOfHappyCoordinates.Contains(consideredCoordinate))
{
continue;
}
finalCut.Add(consideredCoordinate);
}
ValidPlayableSpacesCache = finalCut;
return(finalCut);
}
public bool ShouldCoordinateBeIncompletable(Coordinate forCoordinate)
{
if (!PlayedCards.ContainsKey(forCoordinate))
{
Debug.LogError($"Asked if coordinate {forCoordinate.ToString()} should be incompleteable, but that coordinate isn't in this play field.");
return(false);
}
int requiredNeighbors = PlayedCards[forCoordinate].FaceValue;
int occuppiedNeighbors = OccuppiedNeighborsAtCoordinate(forCoordinate);
if (requiredNeighbors == occuppiedNeighbors)
{
return(false); // Presumably already happy
}
HashSet <Coordinate> validSpaces = GetValidPlayableSpaces();
int playableSpotNeighbors = forCoordinate.GetNeighbors().Count(neighbor => validSpaces.Contains(neighbor));
if (occuppiedNeighbors + playableSpotNeighbors < requiredNeighbors)
{
return(true);
}
return(false);
}
public void SetCard(CardData forCard, Coordinate onCoordinate)
{
ValidPlayableSpacesCache = null;
NotHappyCoordinatesCache.Add(onCoordinate);
HappyCoordinatesAreDirty = true;
if (PlayedCards.ContainsKey(onCoordinate))
{
PlayedCards[onCoordinate] = forCard;
}
else
{
PlayedCards.Add(onCoordinate, forCard);
}
}
public bool ShouldCoordinateBeHappy(Coordinate forCoordinate)
{
if (!PlayedCards.ContainsKey(forCoordinate))
{
Debug.LogError($"Asked if coordinate {forCoordinate.ToString()} should be happy, but that coordinate isn't in this play field.");
return(false);
}
int neighbors = OccuppiedNeighborsAtCoordinate(forCoordinate);
if (PlayedCards[forCoordinate].FaceValue == neighbors)
{
return(true);
}
return(false);
}
public int OccuppiedNeighborsAtCoordinate(Coordinate forCoordinate)
{
int answer = forCoordinate.GetNeighbors().Count(neighbor => PlayedCards.ContainsKey(neighbor));
return(answer);
}