private void identifyShellsOrientation(Element[][] previous) {
Map<Actor, Command> candidates = new HashMap<>();
for (Actor actor : actors) {
if (actor instanceof Shell && ((Shell) actor).getOrientation() == null) {
for (Command each : Command.values()) {
if (each == Command.ACT) continue; // skip ACT
Element prev = actor.getPosition().act(each.back(), 2).get(previous);
if (prev != null && prev.getType() == ElementType.SHELL) {
if (!candidates.containsKey(actor) || ((Shell) prev).getOrientation() == each) {
candidates.put(actor, each);
}
}
}
}
}
for (Map.Entry<Actor, Command> each : candidates.entrySet()) {
((Shell) each.getKey()).setOrientation(each.getValue());
}
}
private boolean isPossible(Command command, Actor actor) {
Position p = actor.getPosition();
Element el = p.act(command, 1).get(map);
return el != null && el.getType() == ElementType.FREE;
}