gson = new GsonBuilder()
.setPrettyPrinting()
.registerTypeAdapter(BlockShapeData.class, new BlockShapeHandler())
.registerTypeAdapter(BlockMeshPart.class, new BlockMeshPartHandler())
.registerTypeAdapter(Vector3f.class, new Vector3fTypeAdapter())
.registerTypeAdapter(Vector2f.class, new Vector2fTypeAdapter())
.create();
}