static void HorizontalPositionsByDensity()
{
foreach (var node in Nodes)
{
List <Node> level = new List <Node>();
level.Add(node);
int depth = 1;
while (level.Count > 0 && level.Any(n => n.InNodes.Count > 0))
{
// has any parent, increment level.
depth++;
// set level to next batch of distinct Parents, where Parents may not be itself.
level = level.SelectMany(n => n.InNodes).Distinct().Where(n => n != node).ToList();
// stop infinite recursion with loops of size greater than 2
if (depth > 100)
{
ResearchLog.Error("{0} has more than 100 levels of prerequisites. Is the Research Tree defined as a loop?", false, node);
break;
}
}
node.SetDepth(depth);
}
}
public static ResearchNode ResearchNode(this ResearchProjectDef research)
{
var node = Tree.Nodes.OfType <ResearchNode>().FirstOrDefault(n => n.Research == research);
if (node == null)
{
ResearchLog.Error("Node for {0} not found. Was it intentionally hidden or locked?", true, research.LabelCap);
}
return(node);
}