/// <summary>
/// Notify the strategy of a change in complexity regulation mode in the evolution algorithm.
/// </summary>
/// <param name="mode">The current mode.</param>
public void NotifyComplexityRegulationMode(ComplexityRegulationMode mode)
{
_mutationTypeDistributionsCurrent = mode switch
{
ComplexityRegulationMode.Complexifying => _mutationTypeDistributionsComplexifying,
ComplexityRegulationMode.Simplifying => _mutationTypeDistributionsSimplifying,
_ => throw new ArgumentException("Unexpected complexity regulation mode."),
};
}
/// <summary>
/// Notify the strategy of a change in complexity regulation mode in the evolution algorithm.
/// </summary>
/// <param name="mode">The current mode.</param>
public void NotifyComplexityRegulationMode(ComplexityRegulationMode mode)
{
switch (mode)
{
case ComplexityRegulationMode.Complexifying:
_settingsCurrent = _settingsComplexifying;
_mutationTypeDistributionsCurrent = _mutationTypeDistributionsComplexifying;
break;
case ComplexityRegulationMode.Simplifying:
_settingsCurrent = _settingsSimplifying;
_mutationTypeDistributionsCurrent = _mutationTypeDistributionsSimplifying;
break;
default:
throw new ArgumentException("Unexpected complexity regulation mode.");
}
}
/// <summary>
/// Construct a new instance.
/// </summary>
/// <param name="metaNeatGenome">NeatGenome metadata.</param>
/// <param name="genomeBuilder">NeatGenome builder.</param>
/// <param name="genomeIdSeq">Genome ID sequence; for obtaining new genome IDs.</param>
/// <param name="innovationIdSeq">Innovation ID sequence; for obtaining new innovation IDs.</param>
/// <param name="generationSeq">Generation sequence; for obtaining the current generation number.</param>
/// <param name="addedNodeBuffer">A history buffer of added nodes.</param>
/// <param name="settings">Asexual reproduction settings.</param>
/// <param name="weightMutationScheme">Connection weight mutation scheme.</param>
public NeatReproductionAsexual(
MetaNeatGenome <T> metaNeatGenome,
INeatGenomeBuilder <T> genomeBuilder,
Int32Sequence genomeIdSeq,
Int32Sequence innovationIdSeq,
Int32Sequence generationSeq,
AddedNodeBuffer addedNodeBuffer,
NeatReproductionAsexualSettings settings,
WeightMutationScheme <T> weightMutationScheme)
{
_settingsComplexifying = settings;
_settingsSimplifying = settings.CreateSimplifyingSettings();
_settingsCurrent = _settingsComplexifying;
_mutationTypeDistributionsComplexifying = new MutationTypeDistributions(_settingsComplexifying);
_mutationTypeDistributionsSimplifying = new MutationTypeDistributions(_settingsSimplifying);
_mutationTypeDistributionsCurrent = _mutationTypeDistributionsComplexifying;
// Instantiate reproduction strategies.
_mutateWeightsStrategy = new MutateWeightsStrategy <T>(metaNeatGenome, genomeBuilder, genomeIdSeq, generationSeq, weightMutationScheme);
_deleteConnectionStrategy = new DeleteConnectionStrategy <T>(metaNeatGenome, genomeBuilder, genomeIdSeq, generationSeq);
// Add connection mutation; select acyclic/cyclic strategy as appropriate.
if (metaNeatGenome.IsAcyclic)
{
_addConnectionStrategy = new AddAcyclicConnectionStrategy <T>(
metaNeatGenome, genomeBuilder,
genomeIdSeq, innovationIdSeq, generationSeq);
}
else
{
_addConnectionStrategy = new AddCyclicConnectionStrategy <T>(
metaNeatGenome, genomeBuilder,
genomeIdSeq, generationSeq);
}
_addNodeStrategy = new AddNodeStrategy <T>(metaNeatGenome, genomeBuilder, genomeIdSeq, innovationIdSeq, generationSeq, addedNodeBuffer);
}