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;
}
}
private void ProcessLightsources(IEnumerable <LightSource> lightSources)
{
foreach (var lightSource in lightSources)
{
var litTiles = fovAlgorithm.CalculateFov(terrain, lightSource.Location.Coordinate, lightSource.FovProfile);
foreach (var litTile in litTiles)
{
var intensity = (1f /
(lightSource.Attenuation.Constant +
(lightSource.Attenuation.Linear * litTile.DistanceFromOrigin) +
(lightSource.Attenuation.Quadratic * litTile.DistanceFromOrigin *
litTile.DistanceFromOrigin)));
this[litTile.Location.Coordinate].Colour = AlphaBlendColours(intensity, this[litTile.Location.Coordinate].Colour, lightSource.Colour);
//this[litTile.Location.Coordinate].Colour = FromLibtcodColor(
// libtcodWrapper.Color.Interpolate(ToLibtcodColor(this[litTile.Location.Coordinate].Colour), ToLibtcodColor(lightSource.Colour),
// intensity));
}
}
}
