/**
* Initializes the InputManager.
*
* <p>This should only be called internally in {@link Application}.
*
* @param mouse
* @param keys
* @param joystick
* @param touch
* @throws IllegalArgumentException If either mouseInput or keyInput are null.
*/
public InputManager(MouseInput mouse, KeyInput keys, JoyInput joystick, TouchInput touch) {
if (keys == null || mouse == null) {
throw new NullPointerException("Mouse or keyboard cannot be null");
}
this.keys = keys;
this.mouse = mouse;
this.joystick = joystick;
this.touch = touch;
keys.setInputListener(this);
mouse.setInputListener(this);
if (joystick != null) {
joystick.setInputListener(this);
joysticks = joystick.loadJoysticks(this);
}
if (touch != null) {
touch.setInputListener(this);
}
firstTime = keys.getInputTimeNanos();
}
