/**
* Updates the <code>InputManager</code>. This will query current input devices and send
* appropriate events to registered listeners.
*
* @param tpf Time per frame value.
*/
public void update(float tpf) {
frameTPF = tpf;
// Activate safemode if the TPF value is so small
// that rounding errors are inevitable
safeMode = tpf < 0.015f;
long currentTime = keys.getInputTimeNanos();
frameDelta = currentTime - lastUpdateTime;
eventsPermitted = true;
keys.update();
mouse.update();
if (joystick != null) {
joystick.update();
}
if (touch != null) {
touch.update();
}
eventsPermitted = false;
processQueue();
invokeUpdateActions();
lastLastUpdateTime = lastUpdateTime;
lastUpdateTime = currentTime;
}
/**
* 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();
}
@Override
public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException {
world.update(keyInput);
keyInput.spaceKeyUpdate();
}
@Override
public void keyReleased(int key, char c) {
super.keyReleased(key, c);
keyInput.keyReleased(key, c);
}
/**
* Update the core input system - mouse, keyboard and joystick. Thus all events are handled within
* this method call.<br>
* To disable joystick support call {@link JoystickInput#setProvider(String)} with {@link
* #INPUT_SYSTEM_DUMMY} as parameter proir to creating the display.
*
* @see KeyInput#update()
* @see MouseInput#update()
* @see JoystickInput#update()
*/
public static void update() {
MouseInput.get().update();
KeyInput.get().update();
JoystickInput.get().update();
}
