public List<MapObserver> getNeighborsCloseTo(MapObserver observer, float max) {
List<MapObserver> ret = new ArrayList<MapObserver>();
Location aLoc = observer.getLocation();
float ax = aLoc.x;
float ay = aLoc.y;
Location bLoc;
float deltaX, deltaY;
double dist;
for (Block b : notificationArea) {
synchronized (b.observers) {
for (MapObserver o : b.observers) {
if (observer == o) {
continue; // Skip himself.
}
bLoc = o.getLocation();
deltaX = bLoc.x - ax;
deltaY = bLoc.y - ay;
dist = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
if (dist < max) {
ret.add(o);
}
}
}
}
return ret;
}
public void notifyAppearanceChangeSelfAndNeigh(MapObserver observer) {
for (Block b : notificationArea) {
synchronized (b.observers) {
for (MapObserver o : b.observers) {
o.notifyAppearanceChange(observer);
}
}
}
}
public void notifyNearChatSelfAndNeigh(MapObserver observer, String text) {
for (Block b : notificationArea) {
synchronized (b.observers) {
for (MapObserver o : b.observers) {
o.notifyNearChat(observer, text);
}
}
}
}
public void notifyMoveSelfAndNeigh(MapObserver observer) {
for (Block b : notificationArea) {
synchronized (b.observers) {
for (MapObserver o : b.observers) {
if (observer != o) {
o.notifyMove(observer);
}
}
}
}
}
public void makeAwareOfOthers(MapObserver observer) {
for (Block b : notificationArea) {
synchronized (b.observers) {
for (MapObserver o : b.observers) {
if (observer != o) {
observer.notifyMove(o); // Brackets all the way down. :)
}
}
}
}
}
public void notifySelfAboutOthers(MapObserver observer) {
// TODO: optimize this: send notif only about the cells not in range previously.
for (Block b : notificationArea) {
synchronized (b.observers) {
for (MapObserver o : b.observers) {
if (observer != o) {
observer.notifyMove(o);
}
}
}
}
}