private Map<IBlockState, ModelResourceLocation> getStates(Block block) {
        return stateMappers.getOrDefault(block, new DefaultStateMapper()).putStateModelLocations(block);
    }

    @Override
    public void registerBlockVariantModels(Block block, Item item) {
        for (Entry<IBlockState, ModelResourceLocation> e : getStates(block).entrySet()) {
            ModelLoader.setCustomModelResourceLocation(item, block.getMetaFromState(e.getKey()), e.getValue());
        }
    }