private StaircaseDoor FindFreeStairsDown(int level)
{
for (int i = 0; i < building[level].Count; ++i)
{
if (building[level][i] is StairsBuildingSegment)
{
StairsBuildingSegment segment = (StairsBuildingSegment)building[level][i];
if (segment.SegmentType == FloorSegmentType.stairsDown && !segment.isTaken)
{
segment.isTaken = true;
return(segment.Door);
}
}
}
return(null);
}
private void BindStairs()
{
for (int i = 0; i < building.Count; ++i)
{
for (int j = 0; j < building[i].Count; ++j)
{
if (building[i][j] is StairsBuildingSegment)
{
StairsBuildingSegment segment = (StairsBuildingSegment)building[i][j];
if (segment.SegmentType == FloorSegmentType.stairsUp)
{
segment.SetRelatedStairs(FindFreeStairsDown(i + 1));
}
if (segment.SegmentType == FloorSegmentType.stairsDown)
{
segment.SetRelatedStairs(FindFreeStairsUp(i - 1));
}
}
}
}
}
