public System.Collections.Generic.IEnumerable <MapPoint> GetAdjacentCells(Func <short, bool> predicate)
{
MapPoint mapPoint = new MapPoint(this.m_x + 1, this.m_y);
if (MapPoint.IsInMap(mapPoint.X, mapPoint.Y) && predicate(mapPoint.CellId))
{
yield return(mapPoint);
}
MapPoint mapPoint2 = new MapPoint(this.m_x, this.m_y - 1);
if (MapPoint.IsInMap(mapPoint2.X, mapPoint2.Y) && predicate(mapPoint2.CellId))
{
yield return(mapPoint2);
}
MapPoint mapPoint3 = new MapPoint(this.m_x, this.m_y + 1);
if (MapPoint.IsInMap(mapPoint3.X, mapPoint3.Y) && predicate(mapPoint3.CellId))
{
yield return(mapPoint3);
}
MapPoint mapPoint4 = new MapPoint(this.m_x - 1, this.m_y);
if (MapPoint.IsInMap(mapPoint4.X, mapPoint4.Y) && predicate(mapPoint4.CellId))
{
yield return(mapPoint4);
}
yield break;
}
public static void AddCellIfValid(int x, int y, MapRecord map, IList <short> container)
{
if (MapPoint.IsInMap(x, y))
{
container.Add((short)MapPoint.CoordToCellId(x, y));
}
}
public MapPoint GetCellInDirection(DirectionsEnum direction, short step)
{
MapPoint mapPoint = null;
switch (direction)
{
case DirectionsEnum.DIRECTION_EAST:
mapPoint = MapPoint.GetPoint(this.m_x + (int)step, this.m_y + (int)step);
break;
case DirectionsEnum.DIRECTION_SOUTH_EAST:
mapPoint = MapPoint.GetPoint(this.m_x + (int)step, this.m_y);
break;
case DirectionsEnum.DIRECTION_SOUTH:
mapPoint = MapPoint.GetPoint(this.m_x + (int)step, this.m_y - (int)step);
break;
case DirectionsEnum.DIRECTION_SOUTH_WEST:
mapPoint = MapPoint.GetPoint(this.m_x, this.m_y - (int)step);
break;
case DirectionsEnum.DIRECTION_WEST:
mapPoint = MapPoint.GetPoint(this.m_x - (int)step, this.m_y - (int)step);
break;
case DirectionsEnum.DIRECTION_NORTH_WEST:
mapPoint = MapPoint.GetPoint(this.m_x - (int)step, this.m_y);
break;
case DirectionsEnum.DIRECTION_NORTH:
mapPoint = MapPoint.GetPoint(this.m_x - (int)step, this.m_y + (int)step);
break;
case DirectionsEnum.DIRECTION_NORTH_EAST:
mapPoint = MapPoint.GetPoint(this.m_x, this.m_y + (int)step);
break;
}
MapPoint result;
if (mapPoint != null)
{
if (MapPoint.IsInMap(mapPoint.X, mapPoint.Y))
{
result = mapPoint;
}
else
{
result = null;
}
}
else
{
result = null;
}
return(result);
}