use bevy::{prelude::*, serialization::*}; use serde::{Deserialize, Serialize}; use type_uuid::TypeUuid; fn main() { let mut app = App::build(); app.add_default_plugins().add_startup_system(setup); let comp_registrations = [ComponentRegistration::of::()]; let tag_registrations = []; let ser_helper = SerializeImpl::new(&comp_registrations, &tag_registrations); let serializable = legion::serialize::ser::serializable_world(&app.world(), &ser_helper); let serialized_data = serde_json::to_string(&serializable).unwrap(); println!("{}", serialized_data); let de_helper = DeserializeImpl::new( ser_helper.comp_types, ser_helper.tag_types, ser_helper.entity_map, ); let mut new_world = app.universe().create_world(); let mut deserializer = serde_json::Deserializer::from_str(&serialized_data); legion::serialize::de::deserialize(&mut new_world, &de_helper, &mut deserializer).unwrap(); let ser_helper = SerializeImpl::new_with_map( &comp_registrations, &tag_registrations, de_helper.entity_map.into_inner(), ); let serializable = legion::serialize::ser::serializable_world(&new_world, &ser_helper); let roundtrip_data = serde_json::to_string(&serializable).unwrap(); println!("{}", roundtrip_data); assert_eq!(roundtrip_data, serialized_data); } #[derive(Serialize, Deserialize, TypeUuid)] #[uuid = "14dec17f-ae14-40a3-8e44-e487fc423287"] pub struct Test { pub x: f32, pub y: f32, } fn setup(world: &mut World, _resources: &mut Resources) { // plane world.insert((), vec![(Test { x: 3.0, y: 4.0 },)]); }