public float getState() {
if (button > 0) return instance.isPressed(button) ? 1 : 0;
if ("x".equals(axis)) return instance.currentDeltaX;
if ("y".equals(axis)) return instance.currentDeltaY;
if (mouseWheel) {
if (mouseWheelTime > 0) {
if (System.currentTimeMillis() < mouseWheelTime) return lastMoustWheel;
mouseWheelTime = 0;
}
lastMoustWheel = instance.currentMouseWheel;
if (lastMoustWheel != 0)
mouseWheelTime = System.currentTimeMillis() + MOUSEWHEEL_CHANGE_TIME;
return lastMoustWheel;
}
return 0;
}
/** If the listener already exists, it is not added again. */
public void addListener(Listener listener) {
if (listener == null) throw new IllegalArgumentException("listener cannot be null.");
synchronized (listenerLock) {
Listener[] listeners = this.listeners;
int n = listeners.length;
for (int i = 0; i < n; i++) if (listener == listeners[i]) return;
Listener[] newListeners = new Listener[n + 1];
newListeners[0] = listener;
System.arraycopy(listeners, 0, newListeners, 1, n);
this.listeners = newListeners;
}
if (TRACE) trace("kryonet", "Connection listener added: " + listener.getClass().getName());
}
void notifyReceived(Object object) {
if (object instanceof Ping) {
Ping ping = (Ping) object;
if (ping.isReply) {
if (ping.id == lastPingID - 1) {
returnTripTime = (int) (System.currentTimeMillis() - lastPingSendTime);
if (TRACE) trace("kryonet", this + " return trip time: " + returnTripTime);
}
} else {
ping.isReply = true;
sendTCP(ping);
}
}
Listener[] listeners = this.listeners;
for (int i = 0, n = listeners.length; i < n; i++) listeners[i].received(this, object);
}
/**
* Requests the connection to communicate with the remote computer to determine a new value for
* the {@link #getReturnTripTime() return trip time}. When the connection receives a {@link
* FrameworkMessage.Ping} object with {@link Ping#isReply isReply} set to true, the new return
* trip time is available.
*/
public void updateReturnTripTime() {
Ping ping = new Ping();
ping.id = lastPingID++;
lastPingSendTime = System.currentTimeMillis();
sendTCP(ping);
}