public void UpdateViewOfCoords(ScrollingConsole console, IEnumerable <Coord> coords)
{
// Show the BG color of the terrain, then whatever comes first:
// The FG of any visible being at the location, or
// the FG of the topmost item at the loc'n, or
// the FG of the terrain type.
// Then (later, 0.5?) modified by lighting, et c.
foreach (var position in coords.Where(c => console.ViewPort.Contains(c)))
{
var targetCell = new Cell();
var rawCell = SpaceMap.GetItem(position).Terrain.Cell;
targetCell.Background = rawCell.Background;
var beings = BeingMap.GetItems(position).ToList();
var items = ItemMap.GetItems(position).ToList();
if (beings.Any())
{
var being = beings.Last();
targetCell.Foreground = being.Foreground;
targetCell.Glyph = being.Glyph;
}
else if (items.Any())
{
var item = items.Last();
targetCell.Foreground = item.Foreground;
targetCell.Glyph = item.Glyph;
}
else
{
targetCell.Foreground = rawCell.Foreground;
targetCell.Glyph = rawCell.Glyph;
}
console.SetCellAppearance(position.X, position.Y, targetCell);
var rot = RotMap.GetItem(position);
Fade fade = null;
if (rot?.Health > 0)
{
fade = GetFadeForRotExtent(rot.Health, rawCell.Background);
}
EffectsManager.SetEffect(console.Cells[position.Y * Width + position.X], fade);
}
}
public void UpdateFOV(ScrollingConsole console, Coord position)
{
FOV.Calculate(position);
SpaceMap.SeeCoords(FOV.NewlySeen);
// Cells outside of FOV are gray on black,
// with only the glyph of the terrain showing.
var unseenCell = new Cell(Color.DarkGray, Color.Black, ' ');
foreach (var location in FOV.NewlyUnseen.Where(c => console.ViewPort.Contains(c)))
{
// Wiping the effect restores the original cell colors,
// so it must happen before setting OOV appearance
EffectsManager.SetEffect(console.Cells[location.Y * Width + location.X], null);
unseenCell.Glyph = SpaceMap.GetItem(location).Terrain.Cell.Glyph;
console.SetCellAppearance(location.X, location.Y, unseenCell);
}
UpdateViewOfCoords(console, FOV.NewlySeen);
}