public bool CheckCellSolutionForCollision(Vector2Int cellCoordinates, OutputGrid outputGrid)
{
foreach (var neighbour in Create4DirectionNeighbours(cellCoordinates))
{
if (outputGrid.CheckIfValidPosition(neighbour.cellToPropagatePosition) == false)
{
continue;;
}
HashSet <int> possibleIndicies = new HashSet <int>();
foreach (var patternIndexAtNeighbour in outputGrid.GetPossibleValueForPosition(neighbour.cellToPropagatePosition))
{
var possibleNeighboursForBase =
patternManager.GetPossibleNeighboursForPatternInDirection(patternIndexAtNeighbour,
neighbour.directionFromBase.GetOppositeDirectionTo());
possibleIndicies.UnionWith(possibleNeighboursForBase);
}
if (possibleIndicies.Contains(outputGrid.GetPossibleValueForPosition(cellCoordinates).First()) == false)
{
return(true);
}
}
return(false);
}
private void RemoveImpossibleNeighbours(VectorPair propagatePair, HashSet <int> possibleValuesAtNeighbour)
{
HashSet <int> possibleIndices = new HashSet <int>();
foreach (var patternIndexAtBase in outputGrid.GetPossibleValueForPossition(propagatePair.BaseCellPosition))
{
var possibleNeighboursForBase = patternManager.GetPossibleNeighboursForPatternInDirection(patternIndexAtBase, propagatePair.DirectionFromBase);
possibleIndices.UnionWith(possibleNeighboursForBase);
}
possibleValuesAtNeighbour.IntersectWith(possibleIndices);
}