Organize dependencies

rust_crate/Cargo.toml

@@ -9,9 +9,13 @@ documentation = "https://rinf.cunarist.com"
 rust-version = "1.70"
 
 [features]
+default = ["bevy"]
 rt-multi-thread = ["tokio/rt-multi-thread"]
 show-backtrace = ["backtrace"]
-bevy = ["dep:bevy_ecs"]
+bevy = ["bevy_ecs"]
+
+[dependencies]
+bevy_ecs = { version = "0.13", optional = true }
 
 [target.'cfg(not(target_family = "wasm"))'.dependencies]
 os-thread-local = "0.1.3"
@@ -21,10 +25,8 @@ home = "0.5.9"
 which = "6.0.0"
 allo-isolate = "0.1.25"
 tokio = { version = "1", features = ["rt"] }
-bevy_ecs = { version = "0.13", optional = true }
 
 [target.'cfg(target_family = "wasm")'.dependencies]
 js-sys = "0.3.69"
 wasm-bindgen = "0.2.92"
 wasm-bindgen-futures = "0.4.42"
-bevy_ecs = { version = "0.13", optional = true }

rust_crate/src/interface.rs

@@ -6,14 +6,13 @@ use super::interface_os::*;
 #[cfg(target_family = "wasm")]
 use super::interface_web::*;
 
-#[cfg(feature = "bevy")]
-use bevy_ecs::event::Event;
 /// This contains a message from Dart.
 /// Optionally, a custom binary called `binary` can also be included.
 /// This type is generic, and the message
 /// can be of any type declared in Protobuf.
-/// If the bevy feature is used, every message can be received as an event in Bevy.
-#[cfg_attr(feature = "bevy", derive(Event))]
+/// If the `bevy` feature is enabled,
+/// every Dart signal can be received as an event in Bevy.
+#[cfg_attr(feature = "bevy", derive(bevy_ecs::event::Event))]
 pub struct DartSignal<T> {
     /// The message instance of a struct generated by Protobuf.
     pub message: T,