private List <LightColumn> columnsThatColumnJustConnectedWith(LightColumn colAtY, int y)
{
List <LightColumn> result = new List <LightColumn>();
bool colExtentMinusOneEqualY = colAtY.extent() - 1 == y;
bool colStartEqualY = colAtY.startP == y;
foreach (PTwo co in DirectionUtil.SurroundingPTwoCoordsFromPTwo(colAtY.coord))
{
DiscreteDomainRangeList <LightColumn> licols = m_lightColumnMap[co];
LightColumn justConnected = null;
if (colExtentMinusOneEqualY)
{
justConnected = licols.rangeWithStartEqual(y);
}
else if (colStartEqualY)
{
justConnected = licols.rangeWithExtentMinusOneEqual(y);
}
else
{
justConnected = licols.rangeWithStartAndExtentMinusOneEqual(y);
}
if (justConnected != null)
{
result.Add(justConnected);
}
}
return(result);
}
public List <LightColumn> lightColumnsAdjacentToAndAtleastPartiallyAbove(Coord coord)
{
List <LightColumn> result = new List <LightColumn>();
foreach (PTwo surroundingCo in DirectionUtil.SurroundingPTwoCoordsFromPTwo(PTwo.PTwoXZFromCoord(coord)))
{
DiscreteDomainRangeList <LightColumn> adjRangeList = this.lightColumnListAtOrNull(surroundingCo.s, surroundingCo.t);
if (adjRangeList == null)
{
continue;
}
for (int i = 0; i < adjRangeList.Count; ++i)
{
LightColumn adjLightColumn = adjRangeList[i];
if (adjLightColumn.extent() > coord.y)
{
b.bug("actually added one");
result.Add(adjLightColumn);
}
}
}
return(result);
}
