bool GenerateTargetInternal(Room prev, int depth, int targetDepth)
{
var connPtNum = GetMaxConnectionPoints(prev);
var seq = Enumerable.Range(0, connPtNum).ToList();
_rand.Shuffle(seq);
bool targetPlaced;
do
{
Room rm;
if (targetDepth == depth)
{
rm = _template.CreateTarget(depth, prev);
}
else
{
rm = _template.CreateNormal(depth, prev);
}
Link?link = null;
foreach (var connPt in seq)
{
if ((link = PlaceRoom(prev, rm, connPt)) != null)
{
seq.Remove(connPt);
break;
}
}
if (link == null)
{
return(false);
}
if (targetDepth == depth)
{
targetPlaced = true;
}
else
{
targetPlaced = GenerateTargetInternal(rm, depth + 1, targetDepth);
}
if (targetPlaced)
{
rm.Depth = depth;
Edge.Link(prev, rm, link.Value);
_rooms.Add(rm);
}
else
{
_collision.Remove(rm);
}
} while (!targetPlaced);
return(true);
}
