public static void SendBeamsToPlayer(this IZone zone, Player player, GridDistricts districts)
{
var beams = player.CurrentPosition.ToCellCoord().GetNeighbours(districts).SelectMany(cellCoord =>
{
var area = cellCoord.ToArea();
return(zone.Beams.All.Where(b => area.Contains(b.SourcePosition)));
});
foreach (var beam in beams)
{
player.Session.SendBeamIfVisible(beam);
}
}
public IEnumerable <CellCoord> GetNeighbours(GridDistricts gridDistricts = GridDistricts.All)
{
var mask = 0x80;
do
{
var district = gridDistricts & (GridDistricts)mask;
if (district == GridDistricts.Undefined)
{
continue;
}
var n = _neighbours[district];
n.x += x;
n.y += y;
yield return(n);
} while ((mask >>= 1) > 0);
}
