public DStar(LocSet sources, int[] distances, MapLocation dest) {
this.sources = sources;
this.dest = dest;
for (int i = sources.size; --i >= 0; ) {
MapLocation source = sources.get(i);
int e = distances[i] + heuristic(source, dest);
queue.insert(e, source);
distance[source.x][source.y] = distances[i];
// estimate[source.x][source.y] = e;
// leave as null to cause exceptions if we accidentally try to use it?
from[source.x][source.y] = Direction.NONE;
}
}
