@Override
    public void read(JmeImporter im) throws IOException {
        InputCapsule ic = im.getCapsule(this);
        playState = ic.readEnum("playState", PlayState.class, PlayState.Stopped);
        speed = ic.readFloat("speed", 1);
        initialDuration = ic.readFloat("initalDuration", 10);
        loopMode = ic.readEnum("loopMode", LoopMode.class, LoopMode.DontLoop);
    }
Used for serialization only.
@param im importer
@throws IOException from the importer
jme3-core/src/main/java/com/jme3/cinematic/events/AbstractCinematicEvent.java