@Override
	public void engage() {
		this.evtSrv.addListener(this, KeyPressedEvent.TYPE_ID);
		this.evtSrv.addListener(this, KeyReleasedEvent.TYPE_ID);
		this.engaged = true;
		for (int i = 0; i < this.keyStates.length; ++i) {
			this.keyStates[i] = false;
		}
	}