Method interpret

src/main/java/fielded/Animatable.java:88–93

(Object r, AnimationElement current)

	static public void registerHandler(BiFunction<AnimationElement, Object, AnimationElement> h) {
		handlers.add(0, h);
	}

	static public AnimationElement interpret(Object r, AnimationElement current) {
		for (BiFunction<AnimationElement, Object, AnimationElement> b : handlers) {
			current = b.apply(current, r);
		}
		return current;
	}