public static void CheckRow(ref PointList list, Point3 origin, Point3 checkStart, int maxRowDistance, Point3[] adjacent, Point3 increment)
{
var ms = World.Get <MapSystem>();
var currCell = ms.GetCell(checkStart);
if (currCell == null)
{
return;
}
if (!list.Contains(checkStart))
{
list.TryAdd(checkStart);
}
for (int i = 1; i < maxRowDistance; i++)
{
var pos = checkStart + (increment * i);
if (currCell.BlocksVision(currCell.WorldPosition.GetTravelDirTo(pos).ToDirectionEight()))
{
continue;
}
currCell = ms.GetCell(pos);
if (currCell == null || list.Contains(pos))
{
break;
}
list.Add(pos);
if (origin.Distance(pos) > maxRowDistance)
{
break;
}
for (int a = 0; a < adjacent.Length; a++)
{
var adjPos = pos + adjacent[a];
if (currCell.BlocksVision(pos.GetTravelDirTo(adjPos).ToDirectionEight()))
{
continue;
}
CheckRow(ref list, origin, adjPos, maxRowDistance, new[] { increment, increment * -1 }, adjacent[a]);
}
}
}