public EntityRef newInstance(BlockFamily blockFamily, EntityRef blockEntity) {
    if (blockFamily == null) {
      return EntityRef.NULL;
    }

    EntityBuilder builder = entityManager.newBuilder("engine:blockItemBase");
    if (blockFamily.getArchetypeBlock().getLuminance() > 0) {
      builder.addComponent(new LightComponent());
    }

    // Copy the components from block prefab into the block item
    for (Component component : blockEntity.iterateComponents()) {
      if (component.getClass().getAnnotation(AddToBlockBasedItem.class) != null) {
        builder.addComponent(entityManager.getComponentLibrary().copy(component));
      }
    }

    ItemComponent item = builder.getComponent(ItemComponent.class);
    if (blockFamily.getArchetypeBlock().isStackable()) {
      item.stackId = "block:" + blockFamily.getURI().toString();
      item.stackCount = (byte) 1;
    }

    BlockItemComponent blockItem = builder.getComponent(BlockItemComponent.class);
    blockItem.blockFamily = blockFamily;

    return builder.build();
  }
  /**
   * Use this method instead of {@link #newInstance(BlockFamily)} to modify entity properties like
   * the persistence flag before it gets created.
   *
   * @param blockFamily must not be null
   */
  public EntityBuilder newBuilder(BlockFamily blockFamily, int quantity) {
    EntityBuilder builder = entityManager.newBuilder("engine:blockItemBase");
    if (blockFamily.getArchetypeBlock().getLuminance() > 0) {
      builder.addComponent(new LightComponent());
    }

    // Copy the components from block prefab into the block item
    Prefab prefab = Assets.getPrefab(blockFamily.getArchetypeBlock().getPrefab());
    if (prefab != null) {
      for (Component component : prefab.iterateComponents()) {
        if (component.getClass().getAnnotation(AddToBlockBasedItem.class) != null) {
          builder.addComponent(entityManager.getComponentLibrary().copy(component));
        }
      }
    }

    DisplayNameComponent displayNameComponent = builder.getComponent(DisplayNameComponent.class);
    displayNameComponent.name = blockFamily.getDisplayName();

    ItemComponent item = builder.getComponent(ItemComponent.class);
    if (blockFamily.getArchetypeBlock().isStackable()) {
      item.stackId = "block:" + blockFamily.getURI().toString();
      item.stackCount = (byte) quantity;
    }

    BlockItemComponent blockItem = builder.getComponent(BlockItemComponent.class);
    blockItem.blockFamily = blockFamily;

    return builder;
  }