private Direction?FindNonDiagonalNeighbour(IGame game, GridPoint center, BimaruValueConstraint constraint)
{
foreach (var direction in Directions.GetNonDiagonalDirections())
{
var pointInDirection = center.GetNextPoint(direction);
if (constraint.IsSatisfiedBy(game.Grid[pointInDirection]))
{
return(direction);
}
}
return(null);
}
public void FieldValueChanged(IGame game, FieldValueChangedEventArgs <BimaruValue> e)
{
BimaruValue newValue = game.Grid[e.Point];
foreach (Direction direction in Directions.GetAllDirections())
{
BimaruValueConstraint constraintInDirection = newValue.GetConstraint(direction);
GridPoint pointInDirection = e.Point.GetNextPoint(direction);
BimaruValue valueInDirection = game.Grid[pointInDirection];
// Skip set if constraint already satisfied
if (!constraintInDirection.IsSatisfiedBy(valueInDirection))
{
BimaruValue valueToSet = constraintInDirection.GetRepresentativeValue();
game.Grid[pointInDirection] = valueToSet;
}
}
}
/// <summary>
/// Whether the constraint allows the Bimaru value. Note that all
/// constraints allow the value UNDETERMINED as the constraint
/// can still be fullfilled in the future.
/// </summary>
public static bool DoesAllow(this BimaruValueConstraint constraint, BimaruValue value)
{
return(constraint.IsSatisfiedBy(value) || value == BimaruValue.UNDETERMINED);
}