@Override
protected double computeHeuristicValue(StateObservation actualState) {
final Vector2d avPos = actualState.getAvatarPosition();
final ArrayList<Observation>[] observables = this.getObservables(actualState);
if (observables == null || observables.length == 0) {
return 0;
}
double nearest = Double.MAX_VALUE;
int counter = 0;
double distSum = 0.0;
for (ArrayList<Observation> observableList : observables) {
for (Observation observable : observableList) {
if (this.tabooMap.containsKey(observable.obsID)) {
continue;
}
counter++;
double xDist = (observable.position.x - avPos.x);
double yDist = (observable.position.y - avPos.y);
double mhDist = observable.position.dist(avPos); // Math.abs(xDist + yDist);
distSum += mhDist;
if (mhDist < nearest) {
nearest = mhDist;
}
}
}
// System.out.println(this.objectiveName + ": " + counter + " - " + nearest);
if (counter == 0) {
return 0.0;
}
double height = actualState.getWorldDimension().getHeight() * actualState.getBlockSize();
double width = actualState.getWorldDimension().getWidth() * actualState.getBlockSize();
nearest = Utils.normalise(nearest, 0, height * height + width * width);
switch (this.valType) {
case MINIMIZE:
return -counter;
case MINIMIZE_NEAREST:
return -(counter + nearest);
case NEAREST:
return -nearest;
default:
return -nearest;
}
}
public static void reduceAllPrices(List<Tour> list, User user) {
for (Tour tour : list) {
Utils.reducePrice(tour, user);
}
}