/**
* 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;
}
/** Returns state of simulation of mouse events. Used for touchscreen input only. */
public boolean getSimulateMouse() {
if (touch != null) {
return touch.getSimulateMouse();
} else {
return false;
}
}
/**
* 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();
}
/**
* Enable simulation of keyboard events. Used for touchscreen input only.
*
* @param value True to enable simulation of keyboard events
*/
public void setSimulateKeyboard(boolean value) {
if (touch != null) {
touch.setSimulateKeyboard(value);
}
}
/**
* Enable simulation of mouse events. Used for touchscreen input only.
*
* @param value True to enable simulation of mouse events
*/
public void setSimulateMouse(boolean value) {
if (touch != null) {
touch.setSimulateMouse(value);
}
}