Components

    private List<InterfaceComponent> getDynamicSubComponents() {
        List<InterfaceComponent> subcomponents = new ArrayList<>();
        RSInterfaceComponent provider = getProvider();
        if (provider == null) {
            return subcomponents;
        }

        RSInterfaceComponent[] raw = provider.getSubComponents();
        if (raw == null) {
            return subcomponents;
        }

        for (RSInterfaceComponent component : raw) {
            if (component != null && component.getParentUid() == getUid()) {
                subcomponents.add(new InterfaceComponent(component));
            }
        }
        return subcomponents;
    }

    private List<InterfaceComponent> getStaticSubComponents() {
        List<InterfaceComponent> subcomponents = new ArrayList<>();
        if (getParentUid() == getUid()) {
            return subcomponents;
        }

        int group = getGroupIndex();
        RSInterfaceComponent[][] raw = Game.getClient().getInterfaces();
        if (raw == null || group < 0 || group >= raw.length) {
            return subcomponents;
        }

        RSInterfaceComponent[] grouped = raw[group];
        if (grouped == null) {
            return subcomponents;
        }

        for (RSInterfaceComponent component : grouped) {
            if (component != null && component.getParentUid() == getUid()) {
                subcomponents.add(new InterfaceComponent(component));
            }
        }

        return subcomponents;
    }

    private List<InterfaceComponent> getNestedSubComponents() {
        List<InterfaceComponent> subcomponents = new ArrayList<>();
        if (getParentUid() == getUid()) {
            return subcomponents;
        }

        RSNodeTable<RSSubInterface> nested = Game.getClient().getSubInterfaces();
        if (nested == null) {
            return subcomponents;
        }

        RSSubInterface sub = nested.lookup(getUid());
        if (sub == null) {
            return subcomponents;
        }

        int group = sub.getId();

        RSInterfaceComponent[][] raw = Game.getClient().getInterfaces();
        if (raw == null || group < 0 || group >= raw.length) {
            return subcomponents;
        }

        RSInterfaceComponent[] grouped = raw[group];
        if (grouped == null) {
            return subcomponents;
        }

        for (RSInterfaceComponent component : grouped) {
            if (component != null && component.getParentUid() == -1) {
                subcomponents.add(new InterfaceComponent(component));
            }
        }
        return subcomponents;
    }

    private List<InterfaceComponent> getDefaultSubComponents() {
        List<InterfaceComponent> subcomponents = new ArrayList<>();
        RSInterfaceComponent provider = getProvider();
        if (provider == null) {
            return subcomponents;
        }

        RSInterfaceComponent[] raw = provider.getSubComponents();
        if (raw == null) {
            return subcomponents;
        }

        for (RSInterfaceComponent component : raw) {
            if (component != null) {
                subcomponents.add(new InterfaceComponent(component));
            }
        }
        return subcomponents;
    }

    public List<InterfaceComponent> getSubComponents(TraversalOption option) {
        switch (option) {
            case NESTED:
                return getNestedSubComponents();
            case STATIC:
                return getStaticSubComponents();
            case DYNAMIC:
                return getDynamicSubComponents();
            case DEFAULT:
                return getDefaultSubComponents();
            default: {
                throw new IllegalArgumentException("Unsupported TraversalOption: " + option);
            }
        }
    }

    public List<InterfaceComponent> getSubComponents() {
        return getSubComponents(TraversalOption.DEFAULT);
    }

    public enum TraversalOption {

        NESTED,
        DYNAMIC,
        STATIC,
        DEFAULT;

        private static final TraversalOption[] NATURAL = {NESTED, DYNAMIC, STATIC};

        public static TraversalOption[] natural() {
            return NATURAL;
        }
    }