Move RpcConfig from godot::meta -> godot::register

Author: Bromeon

godot-codegen/src/special_cases/special_cases.rs

@@ -366,6 +366,9 @@ pub fn maybe_rename_virtual_method(rust_method_name: &str) -> &str {
     }
 }
 
+// TODO method-level extra docs, for:
+// - Node::rpc_config() -> link to RpcConfig.
+
 pub fn get_class_extra_docs(class_name: &TyName) -> Option<&'static str> {
     match class_name.godot_ty.as_str() {
         "FileAccess" => {

godot-core/src/meta/mod.rs

@@ -49,9 +49,6 @@ mod class_name;
 mod godot_convert;
 mod method_info;
 mod property_info;
-// RpcConfig uses MultiplayerPeer::TransferMode and MultiplayerApi::RpcMode, which are only enabled in `codegen-full` feature.
-#[cfg(feature = "codegen-full")]
-mod rpc_config;
 mod sealed;
 mod signature;
 mod traits;
@@ -61,8 +58,6 @@ pub mod error;
 pub use args::*;
 pub use class_name::ClassName;
 pub use godot_convert::{FromGodot, GodotConvert, ToGodot};
-#[cfg(feature = "codegen-full")]
-pub use rpc_config::RpcConfig;
 pub use traits::{ArrayElement, GodotType, PackedArrayElement};
 
 pub(crate) use array_type_info::ArrayTypeInfo;

godot-core/src/registry/mod.rs

@@ -5,7 +5,7 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
 
-// Note: final re-exports from godot-core are in lib.rs, mod private_register.
+// Note: final re-exports from godot-core are in lib.rs, mod register::private.
 // These are public here for simplicity, but many are not imported by the main crate.
 
 pub mod callbacks;
@@ -15,5 +15,11 @@ pub mod method;
 pub mod plugin;
 pub mod property;
 
+// RpcConfig uses MultiplayerPeer::TransferMode and MultiplayerApi::RpcMode, which are only enabled in `codegen-full` feature.
+#[cfg(feature = "codegen-full")]
+mod rpc_config;
+#[cfg(feature = "codegen-full")]
+pub use rpc_config::RpcConfig;
+
 #[doc(hidden)]
 pub mod godot_register_wrappers;

godot-core/src/meta/rpc_config.rs renamed to godot-core/src/registry/rpc_config.rs

@@ -19,6 +19,7 @@ pub enum RpcAttr {
         call_local: Option<bool>,
         channel: Option<u32>,
     },
+
     // `args` key in the `rpc` attribute.
     // Example:
     // const RPC_CFG: RpcConfig = RpcConfig { mode: RpcMode::Authority, ..RpcConfig::default() };
@@ -76,7 +77,7 @@ pub fn make_rpc_registrations_fn(class_name: &Ident, funcs: &[FuncDefinition]) -
         #[allow(clippy::needless_update)] // clippy complains about using `..RpcConfig::default()` if all fields are overridden
         fn __register_rpcs(object: &mut dyn ::std::any::Any) {
             use ::std::any::Any;
-            use ::godot::meta::RpcConfig;
+            use ::godot::register::RpcConfig;
             use ::godot::classes::multiplayer_api::RpcMode;
             use ::godot::classes::multiplayer_peer::TransferMode;
             use ::godot::classes::Node;

godot-macros/src/class/data_models/rpc.rs

@@ -518,6 +518,7 @@ pub fn derive_godot_class(input: TokenStream) -> TokenStream {
 /// - [User-defined functions](#user-defined-functions)
 ///   - [Associated functions and methods](#associated-functions-and-methods)
 ///   - [Virtual methods](#virtual-methods)
+///   - [RPC attributes](#rpc-attributes)
 /// - [Constants and signals](#signals)
 ///
 /// # Constructors
@@ -676,6 +677,13 @@ pub fn derive_godot_class(input: TokenStream) -> TokenStream {
 ///
 /// Make sure you understand the limitations in the [tutorial](https://godot-rust.github.io/book/register/virtual-functions.html).
 ///
+/// ## RPC attributes
+///
+/// You can use the `#[rpc]` attribute to let your functions act as remote procedure calls (RPCs) in Godot. This is the Rust equivalent of
+/// GDScript's [`@rpc` annotation](https://docs.godotengine.org/en/stable/tutorials/networking/high_level_multiplayer.html#remote-procedure-calls).
+///
+///
+///
 /// # Constants and signals
 ///
 /// Please refer to [the book](https://godot-rust.github.io/book/register/constants.html).

godot-macros/src/lib.rs

@@ -177,11 +177,15 @@ pub mod register {
     pub use godot_core::registry::property;
     pub use godot_macros::{godot_api, Export, GodotClass, GodotConvert, Var};
 
+    #[cfg(feature = "__codegen-full")]
+    pub use godot_core::registry::RpcConfig;
+
     /// Re-exports used by proc-macro API.
     #[doc(hidden)]
     pub mod private {
         #[cfg(feature = "__codegen-full")]
         pub use godot_core::registry::class::auto_register_rpcs;
+
         pub use godot_core::registry::godot_register_wrappers::*;
         pub use godot_core::registry::{constant, method};
     }

godot/src/lib.rs

@@ -4,11 +4,12 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
+
 use godot::classes::multiplayer_api::RpcMode;
 use godot::classes::multiplayer_peer::TransferMode;
 use godot::classes::{Engine, MultiplayerApi};
-use godot::meta::RpcConfig;
 use godot::prelude::*;
+use godot::register::RpcConfig;
 use godot::test::itest;
 
 #[derive(GodotClass)]