/// <summary>
/// Marking
/// </summary>
private void MarkIsolatedAreas(IOsnowaContext context)
{
var floodSpiller = new FloodSpiller();
PositionFlags positionFlags = context.PositionFlags;
var stopwatch = Stopwatch.StartNew();
byte areaIndex = 0;
byte biggestAreaIndex = 0;
int maxArea = 0;
for (int probeX = 0; probeX < context.PositionFlags.XSize; probeX += 10)
{
for (int probeY = 0; probeY < context.PositionFlags.YSize; probeY += 10)
{
bool isFine = false;
int totalVisited = 0;
Position start = new Position(probeX, probeY);
var parameters = new FloodParameters(start.x, start.y)
{
Qualifier =
(x, y) => positionFlags.IsWalkable(x, y),
NeighbourProcessor = (x, y, mark) =>
{
if (!isFine)
{
isFine = true;
areaIndex += 1;
}
totalVisited += 1;
}
};
int[,] markMatrix = new int[context.PositionFlags.XSize, context.PositionFlags.YSize];
floodSpiller.SpillFlood(parameters, markMatrix);
if (totalVisited > 50)
{
// BUG looks like areas are not isolated, all are of same size of the whole island!
// Debug.Log("visited " + totalVisited + "from " + start.x + ", " + start.y + " with index " + areaIndex);
}
if (totalVisited > maxArea)
{
maxArea = totalVisited;
biggestAreaIndex = areaIndex;
}
}
}
Debug.Log("biggest isolated area index: " + biggestAreaIndex);
Debug.Log("biggest isolated area index: " + maxArea);
Debug.Log("marking isolated areas took: " + stopwatch.ElapsedMilliseconds);
}
public bool IsWalkable(Position position)
{
return(_positionFlags.IsWalkable(position));
}