protected ArrayList<WeightedCell> evaluate() {
double myPositionValue = getStaticFFValue(position);
double neighbourValue;
double occupation = 0.0;
double probabilitySum = 0.0;
Neighbourhood neighbourhood = getNeighbourhood();
ArrayList<WeightedCell> probabilityValues = new ArrayList<WeightedCell>();
for (int index = 0; index < neighbourhood.size(); index++) {
GridPoint neighbour = neighbourhood.get(index);
neighbourValue = getStaticFFValue(neighbour);
occupation = 0.0;
if ((!neighbour.equals(position)) && checkOccupancy(neighbour)) occupation = 1.0;
double p = utilityFunction(myPositionValue, neighbourValue, occupation);
probabilitySum += p;
probabilityValues.add(new WeightedCell(neighbour, p));
}
Lottery.normalizeProbabilities(probabilityValues, probabilitySum);
return probabilityValues;
}
