public TransferActions Mutate(TransferActions parent)
{
var newActions = new TransferActions
{
Transfers = parent.Transfers.Select(t => t).ToList(),
};
var transferToChange = newActions.Transfers[Random.Next(parent.Transfers.Count)];
newActions.Transfers.Remove(transferToChange);
var newTransfer = CreateRandomTransfer();
newActions.Transfers.Add(newTransfer);
return AreTransferActionsValid(newActions) ? newActions : null;
}
public double CalculateFitness(TransferActions transferActions)
{
_transferActioner.VerboseLoggingEnabled = false;
var clonedSeasonState = SeasonState.Clone();
var transferResult = _transferActioner.ApplyTransfers(
clonedSeasonState, transferActions);
var predictedPoints = _teamScorePredictor.PredictTeamPointsForFutureGameweeks(
transferResult.UpdatedSeasonState.CurrentTeam, 5);
var fitness = predictedPoints - transferResult.TransferPointsPenalty;
return fitness;
}
private TransferActions CreateRandomTransferActions()
{
var transferActions = new TransferActions();
transferActions = SetRandomWildcardActions(transferActions);
var transferCount = Random.Next(15);
for (var i = 0; i < transferCount; i++)
{
var randomTransfer = CreateRandomTransfer();
transferActions.Transfers.Add(randomTransfer);
}
return transferActions;
}
public TransferActions Crossover(TransferActions parent1, TransferActions parent2)
{
var newActions = new TransferActions();
var combinedTransfers = parent1.Transfers.Union(parent2.Transfers).ToList();
var maxTransfers = Math.Min(combinedTransfers.Count, 15);
var newTransferCount = Random.Next(maxTransfers);
while (newActions.Transfers.Count < newTransferCount)
{
var newTransfer = combinedTransfers[Random.Next(combinedTransfers.Count)];
combinedTransfers.Remove(newTransfer);
newActions.Transfers.Add(newTransfer);
}
return AreTransferActionsValid(newActions) ? newActions : null;
}