public ArrayFieldOfView(IFovBoard<IHex> board)
{
_isOnboard = h => board.IsOnboard(h);
_fovBacking = new BitArray[board.MapSizeHexes.Width];
for (var i = 0; i < board.MapSizeHexes.Width; i++)
_fovBacking[i] = new BitArray(board.MapSizeHexes.Height);
}
public ArrayFieldOfView(IFovBoard <IHex> board)
{
_isOnboard = h => board.IsOnboard(h);
_fovBacking = new BitArray[board.MapSizeHexes.Width];
for (var i = 0; i < board.MapSizeHexes.Width; i++)
{
_fovBacking[i] = new BitArray(board.MapSizeHexes.Height);
}
}
/// <summary>TODO</summary>
public static IFov GetFieldOfView(this IFovBoard <IHex> @this, HexCoords origin, FovTargetMode targetMode)
{
TraceFlags.FieldOfView.Trace("GetFieldOfView");
var fov = new ArrayFieldOfView(@this);
if (@this.IsPassable(origin))
{
Func <HexCoords, int> target;
int observer;
switch (targetMode)
{
case FovTargetMode.EqualHeights:
observer = @this[origin].ElevationASL + 1;
target = coords => @this[coords].ElevationASL + 1;
break;
case FovTargetMode.TargetHeightEqualZero:
observer = @this[origin].HeightObserver;
target = coords => @this[coords].ElevationASL;
break;
default:
case FovTargetMode.TargetHeightEqualActual:
observer = @this[origin].HeightObserver;
target = coords => @this[coords].HeightTarget;
break;
}
ShadowCasting.ShadowCasting.ComputeFieldOfView(
origin,
@this.FovRadius,
observer,
coords => @this.IsOnboard(coords),
target,
coords => @this[coords].HeightTerrain,
coords => fov[coords] = true
);
}
return(fov);
}
