private static NeatGenome AddNode(NeatGenome genome, Population population)
{
var connectionToSplitt = Neat.random.ConnectionGene(genome);
int fromGeneID = -1;
int newNodeGeneID = -1;
int newNodeID = -1;
int toGeneID = -1;
if (population.PreviouslySplitConnectionGeneIDs.Contains(connectionToSplitt.geneID))
{
var IDs = population.PreviouslySplitConnections[connectionToSplitt.geneID];
fromGeneID = IDs.Item1;
newNodeGeneID = IDs.Item2;
newNodeID = IDs.Item3;
toGeneID = IDs.Item4;
if (genome.nodeGenes.Contains(newNodeGeneID))
{
Console.WriteLine();
foreach (var n in genome.nodeGenes)
{
Console.Write("nID:{0} ", n.nodeID);
}
Console.WriteLine();
throw new Exception("already this generation same nodeID in network!");
}
}
else
{
population.PreviouslySplitConnectionGeneIDs.Add(connectionToSplitt.geneID);
fromGeneID = population.IDs.ConnectionGeneID;
newNodeGeneID = population.IDs.NodeGeneID;
newNodeID = genome.nodeGenes.Count + 1; //not ok!
toGeneID = population.IDs.ConnectionGeneID;
population.PreviouslySplitConnections.Add(connectionToSplitt.geneID, Tuple.Create(fromGeneID, newNodeGeneID, newNodeID, toGeneID));
var seeneBefore = new List <int>();
if (genome.nodeGenes.Contains(newNodeGeneID))
{
Console.WriteLine();
foreach (var n in genome.nodeGenes)
{
Console.Write("nID:{0} ", n.nodeID);
}
Console.WriteLine();
throw new Exception("new this generation same nodeID in network!");
}
}
connectionToSplitt.isEnabled = false;
var newNode = new HiddenNodeGene(newNodeGeneID,
newNodeID,
Neat.random.ActivationFunctionType());
var firstHalfGene = new ConnectionGene(fromGeneID,
connectionToSplitt.fromNodeID,
newNode.nodeID,
true,
1.0f);
var secondHalfGene = new ConnectionGene(toGeneID,
newNode.nodeID,
connectionToSplitt.toNodeID,
true,
(float)Neat.random.NextRangedDouble(0.0, CPPNParameters.InitialMaxConnectionWeight));
if (genome.nodeGenes.Contains(newNode.nodeID))
{
Console.WriteLine();
foreach (var n in genome.nodeGenes)
{
Console.Write("nID:{0} ", n.nodeID);
}
Console.WriteLine("newID:{0} - newNodeID:{1}", newNode.nodeID, newNodeGeneID);
Console.WriteLine();
throw new Exception("addNode NewNode same nodeID in network!");
}
genome.nodeGenes.Add(newNode);
genome.connectionGenes.Add(firstHalfGene);
genome.connectionGenes.Add(secondHalfGene);
var seenBefore = new List <int>();
foreach (var node in genome.nodeGenes)
{
if (!seenBefore.Contains(node.nodeID))
{
seenBefore.Add(node.nodeID);
}
else
{
Console.WriteLine();
foreach (var n in genome.nodeGenes)
{
Console.Write("nID:{0} ", n.nodeID);
}
Console.WriteLine();
throw new Exception("addNode same nodeID in network!");
}
}
return(genome);
}
public HiddenNodeGene(HiddenNodeGene gene) : base(gene)
{
type = NodeType.Hidden;
}
