protected virtual void Initialize(FloodParameters parameters, int[,] markMatrix)
{
MarkMatrix = markMatrix;
// deconstructing parameters
NeighbourhoodType = parameters.NeighbourhoodType;
StartX = parameters.StartX;
StartY = parameters.StartY;
ProcessStartAsFirstNeighbour = parameters.ProcessStartAsFirstNeighbour;
Qualifier = parameters.Qualifier;
NeighbourProcessor = parameters.NeighbourProcessor;
NeighbourStopCondition = parameters.NeighbourStopCondition;
SpreadingPositionVisitor = parameters.SpreadingPositionVisitor;
SpreadingPositionStopCondition = parameters.SpreadingPositionStopCondition;
PositionsToVisit = parameters.PositionsToVisitQueue;
if (PositionsToVisit.Any())
{
throw new ArgumentException("Provided PositionsToVisitQueue was not empty at the beginning of flood spilling.", nameof(parameters));
}
FloodBounds boundsRestriction = parameters.BoundsRestriction
?? new FloodBounds(markMatrix.GetLength(0), markMatrix.GetLength(1));
GuardBounds(boundsRestriction, StartX, StartY);
OffsetX = -boundsRestriction.MinX;
OffsetY = -boundsRestriction.MinY;
MinX = boundsRestriction.MinX;
MinY = boundsRestriction.MinY;
MaxX = boundsRestriction.MaxX;
MaxY = boundsRestriction.MaxY;
InitializeMarkMatrix();
}
protected void GuardBounds(FloodBounds bounds, int startX, int startY)
{
int xResultSize = MarkMatrix.GetLength(0);
int yResultSize = MarkMatrix.GetLength(1);
if (xResultSize < bounds.SizeX || yResultSize < bounds.SizeY)
{
throw new ArgumentException($"MarkMatrix size ({xResultSize}, {yResultSize}) " +
$"is smaller than bounds size ({bounds.SizeX}, {bounds.SizeY})");
}
if (!bounds.Contains(startX, startY))
{
throw new ArgumentException($"start position ({startX}, {startY}) is not contained in given bounds " +
$"(minX {bounds.MinX}, minY {bounds.MinY}, sizeX {bounds.SizeX}, sizeY {bounds.SizeY}).");
}
}
