public void UpdateVisibilityMap(TerrainMap terrain, LightMap lightmap, Point origin)
{
// Reset the visible flag of the previous visible points
if (visiblePoints != null)
{
foreach (var visiblePoint in visiblePoints)
{
this[visiblePoint.Location.Coordinate].IsVisible = false;
}
}
// Calculate new visible Fov
visiblePoints = fovAlgorithm.CalculateFov(terrain, origin, fovProfile);
// Evaluate each visible point against the lightmap
// Only lit tiles are visible
foreach (var visiblePoint in visiblePoints)
{
if (!fovProfile.IsVisible(lightmap[visiblePoint.Location.Coordinate].Colour))
{
continue;
}
this[visiblePoint.Location.Coordinate].IsVisible = true;
this[visiblePoint.Location.Coordinate].WasSeen = true;
}
}
//public FovShapeType FovShape
//{
// get { return fovProfile.FovShape; }
// set { fovProfile.FovShape = value; }
//}
#endregion
#region IFovAlgorithm Members
public FovResultset CalculateFov(TerrainMap terrain, Point origin, IFovProfile fovProfile)
{
visibleLocations = new FovResultset();
// fovProfile.FovShape = shapeType;
if (terrain != null)
{
visibleLocations.Add(new FovObject()
{
Location = { Coordinate = origin }, DistanceFromOrigin = 0
});
if (fovProfile.FovRadius > 0)
{
ScanNorthwestToNorth(terrain, origin, fovProfile);
ScanNorthToNortheast(terrain, origin, fovProfile);
ScanNortheastToEast(terrain, origin, fovProfile);
ScanEastToSoutheast(terrain, origin, fovProfile);
ScanSoutheastToSouth(terrain, origin, fovProfile);
ScanSouthToSouthwest(terrain, origin, fovProfile);
ScanSouthwestToWest(terrain, origin, fovProfile);
ScanWestToNorthwest(terrain, origin, fovProfile);
}
}
return(visibleLocations);
}