Cga(int inputs, int outputs)
{
m_Population = new List <CGenome> ();
for (int i = 0; i < _params.NumGenomesToSpawn; i++)
{
m_Population.Add(new CGenome(nextGenomeID++, inputs, outputs));
}
m_PopSize = m_Population.Count;
// Create simple genome used for innovations database
CGenome genome = new CGenome(1, inputs, outputs);
m_vecSpecies = new List <CSpecies> ();
innovation = new CInnovation(genome.GetLinks(), genome.GetNeurons());
vecSplits = new List <SplitDepth> ();
// Create the network depth lookup table.
Split(0, 1, 0);
}
SelectGenesToBreed(CGenome mum, CGenome dad, ParentType best,
List <SLinkGene> babyGenes,
List <int> neuronIDs)
{
List <SLinkGene> mumLinks = mum.GetLinks();
List <SLinkGene> dadLinks = dad.GetLinks();
using (IEnumerator <SLinkGene> mumEnumerator = mumLinks.GetEnumerator())
using (IEnumerator <SLinkGene> dadEnumerator = dadLinks.GetEnumerator())
{
bool hasMumMore = mumEnumerator.MoveNext();
bool hasDadMore = dadEnumerator.MoveNext();
SLinkGene selectedGene = mumEnumerator.Current;
while (hasMumMore || hasDadMore)
{
if (!hasMumMore && hasDadMore)
{
if (best == ParentType.Dad)
{
selectedGene = dadEnumerator.Current;
}
hasDadMore = dadEnumerator.MoveNext();
}
else if (!hasDadMore && hasMumMore)
{
if (best == ParentType.Mum)
{
selectedGene = mumEnumerator.Current;
}
hasMumMore = mumEnumerator.MoveNext();
}
else if (mumEnumerator.Current.InnovationID < dadEnumerator.Current.InnovationID)
{
if (best == ParentType.Mum)
{
selectedGene = mumEnumerator.Current;
}
hasMumMore = mumEnumerator.MoveNext();
}
else if (dadEnumerator.Current.InnovationID < mumEnumerator.Current.InnovationID)
{
if (best == ParentType.Dad)
{
selectedGene = dadEnumerator.Current;
}
hasDadMore = dadEnumerator.MoveNext();
}
else if (dadEnumerator.Current.InnovationID == mumEnumerator.Current.InnovationID)
{
if (Random.value < 0.5f)
{
selectedGene = mumEnumerator.Current;
}
else
{
selectedGene = dadEnumerator.Current;
}
hasMumMore = mumEnumerator.MoveNext();
hasDadMore = dadEnumerator.MoveNext();
}
if (babyGenes.Count == 0)
{
babyGenes.Add(new SLinkGene(selectedGene));
}
else
{
if (babyGenes[babyGenes.Count - 1].InnovationID !=
selectedGene.InnovationID)
{
babyGenes.Add(new SLinkGene(selectedGene));
}
}
AddNeuronID(selectedGene.FromNeuron, neuronIDs);
AddNeuronID(selectedGene.ToNeuron, neuronIDs);
}
}
}