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//! Serde (de)serialization of worlds. //! //! As component types are not known at compile time, the world must be provided with the //! means to serialize each component. This is provided by the [`WorldSerializer`] implementation. //! This implementation also describes how [`ComponentTypeId`](super::storage::ComponentTypeId)s //! (which are not stable between compiles) are mapped to stable type identifiers. Components //! that are not known to the serializer will be omitted from the serialized output. //! //! The [`Registry`] provides a [`WorldSerializer`] implementation suitable for most situations. //! //! Serializing all entities with a `Position` component to JSON. //! ``` //! # use legion::*; //! # use legion::serialize::Canon; //! # let world = World::default(); //! # #[derive(serde::Serialize, serde::Deserialize)] //! # struct Position; //! // create a registry which uses strings as the external type ID //! let mut registry = Registry::<String>::default(); //! registry.register::<Position>("position".to_string()); //! registry.register::<f32>("f32".to_string()); //! registry.register::<bool>("bool".to_string()); //! //! // serialize entities with the `Position` component //! let entity_serializer = Canon::default(); //! let json = serde_json::to_value(&world.as_serializable( //! component::<Position>(), //! ®istry, //! &entity_serializer, //! )) //! .unwrap(); //! println!("{:#}", json); //! //! // registries are also serde deserializers //! use serde::de::DeserializeSeed; //! let world: World = registry //! .as_deserialize(&entity_serializer) //! .deserialize(json) //! .unwrap(); //! ``` #[cfg(feature = "type-uuid")] pub use crate::internals::serialize::SerializableTypeUuid; pub use crate::internals::serialize::{ de::WorldDeserializer, id::{set_entity_serializer, Canon, CustomEntitySerializer, EntityName, EntitySerializer}, ser::{SerializableWorld, WorldSerializer}, AutoTypeKey, DeserializeIntoWorld, DeserializeNewWorld, Registry, TypeKey, UnknownType, };