public void RevealShroud(Point point)
{
if (!ShroudActive)
{
return;
}
// start simple, reveal in all directions
var minX = GetSafeXValue(point.X - ShroudRevealDistance);
var minY = GetSafeYValue(point.Y - ShroudRevealDistance);
var maxX = GetSafeXValue(point.X + ShroudRevealDistance);
var maxY = GetSafeYValue(point.Y + ShroudRevealDistance);
for (var x = minX; x <= maxX; x++)
{
for (var y = minY; y <= maxY; y++)
{
var p = new Point(x, y);
if (!ShroudRevealedPoints.Contains(p))
{
ShroudRevealedPoints.Add(p);
}
}
}
}
public PointDetail GetPoint(int x, int y)
{
if (x < MinX)
{
throw new Exception($"Cannot get point where {nameof(x)} is less than {nameof(MinX)} {MinX}");
}
if (y < MinY)
{
throw new Exception($"Cannot get point where {nameof(y)} is less than {nameof(MinY)} {MinY}");
}
if (x > MaxX)
{
throw new Exception($"Cannot get point where {nameof(x)} is greater than {nameof(MaxX)} {MaxX}");
}
if (y > MaxY)
{
throw new Exception($"Cannot get point where {nameof(y)} is greater than {nameof(MaxY)} {MaxY}");
}
var point = new PointDetail(x, y);
// find all the path intersections
foreach (var path in Paths)
{
var intersect = point.GetPathIntersect(path);
if (intersect != null)
{
point.AddPathIntersect(intersect);
}
}
// find all background intersections
point.AddBackgroundItem(BackgroundItems.Where(i =>
i.TopLeftX <= x &&
(i.TopLeftX + i.Width - 1) >= x &&
i.TopLeftY <= y &&
(i.TopLeftY + i.Height - 1) >= y));
// find all points of interest
point.AddPointOfInterest(PointOfInterests.Where(i =>
i.X == x &&
i.Y == y));
// is this point shrouded?
point.IsShrouded = ShroudActive && !ShroudRevealedPoints.Contains(point);
return(point);
}
