mirror of
https://github.com/bevyengine/bevy
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Remove deprecated bevy_dynamic_plugin (#14534)
# Objective - Dynamic plugins were deprecated in #13080 due to being unsound. The plan was to deprecate them in 0.14 and remove them in 0.15. ## Solution - Remove all dynamic plugin functionality. - Update documentation to reflect this change. --- ## Migration Guide Dynamic plugins were deprecated in 0.14 for being unsound, and they have now been fully removed. Please consider using the alternatives listed in the `bevy_dynamic_plugin` crate documentation, or worst-case scenario you may copy the code from 0.14.
This commit is contained in:
BD103
GitHub
parent
9575b20d31
commit
d722fef23d
15 changed files with 2 additions and 219 deletions
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@ -110,9 +110,6 @@ bevy_core_pipeline = [
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"bevy_render",
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"bevy_render",
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]
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]
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# Plugin for dynamic loading (using [libloading](https://crates.io/crates/libloading))
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bevy_dynamic_plugin = ["bevy_internal/bevy_dynamic_plugin"]
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# Adds gamepad support
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# Adds gamepad support
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bevy_gilrs = ["bevy_internal/bevy_gilrs"]
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bevy_gilrs = ["bevy_internal/bevy_gilrs"]
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@ -18,7 +18,6 @@ mod sub_app;
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mod terminal_ctrl_c_handler;
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mod terminal_ctrl_c_handler;
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pub use app::*;
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pub use app::*;
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pub use bevy_derive::DynamicPlugin;
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pub use main_schedule::*;
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pub use main_schedule::*;
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pub use panic_handler::*;
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pub use panic_handler::*;
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pub use plugin::*;
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pub use plugin::*;
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@ -38,6 +37,6 @@ pub mod prelude {
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PostStartup, PostUpdate, PreStartup, PreUpdate, SpawnScene, Startup, Update,
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PostStartup, PostUpdate, PreStartup, PreUpdate, SpawnScene, Startup, Update,
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},
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},
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sub_app::SubApp,
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sub_app::SubApp,
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DynamicPlugin, Plugin, PluginGroup,
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Plugin, PluginGroup,
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};
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};
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}
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}
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@ -120,16 +120,6 @@ impl Plugin for PlaceholderPlugin {
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fn build(&self, _app: &mut App) {}
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fn build(&self, _app: &mut App) {}
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}
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}
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/// A type representing an unsafe function that returns a mutable pointer to a [`Plugin`].
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/// It is used for dynamically loading plugins.
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///
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/// See `bevy_dynamic_plugin/src/loader.rs#dynamically_load_plugin`.
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#[deprecated(
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since = "0.14.0",
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note = "The current dynamic plugin system is unsound and will be removed in 0.15."
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)]
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pub type CreatePlugin = unsafe fn() -> *mut dyn Plugin;
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/// Types that represent a set of [`Plugin`]s.
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/// Types that represent a set of [`Plugin`]s.
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///
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///
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/// This is implemented for all types which implement [`Plugin`],
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/// This is implemented for all types which implement [`Plugin`],
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@ -1,22 +0,0 @@
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use proc_macro::TokenStream;
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use quote::quote;
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use syn::{parse_macro_input, DeriveInput};
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#[deprecated(
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since = "0.14.0",
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note = "The current dynamic plugin system is unsound and will be removed in 0.15."
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)]
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pub fn derive_dynamic_plugin(input: TokenStream) -> TokenStream {
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let ast = parse_macro_input!(input as DeriveInput);
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let struct_name = &ast.ident;
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TokenStream::from(quote! {
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#[no_mangle]
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pub extern "C" fn _bevy_create_plugin() -> *mut dyn bevy::app::Plugin {
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// make sure the constructor is the correct type.
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let object = #struct_name {};
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let boxed = Box::new(object);
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Box::into_raw(boxed)
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}
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})
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}
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@ -9,7 +9,6 @@
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extern crate proc_macro;
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extern crate proc_macro;
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mod app_plugin;
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mod bevy_main;
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mod bevy_main;
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mod derefs;
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mod derefs;
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mod enum_variant_meta;
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mod enum_variant_meta;
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@ -18,19 +17,6 @@ use bevy_macro_utils::{derive_label, BevyManifest};
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use proc_macro::TokenStream;
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use proc_macro::TokenStream;
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use quote::format_ident;
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use quote::format_ident;
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/// Generates a dynamic plugin entry point function for the given `Plugin` type.
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///
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/// This is deprecated since 0.14. The current dynamic plugin system is unsound and will be removed in 0.15.
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#[proc_macro_derive(DynamicPlugin)]
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#[deprecated(
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since = "0.14.0",
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note = "The current dynamic plugin system is unsound and will be removed in 0.15."
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)]
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pub fn derive_dynamic_plugin(input: TokenStream) -> TokenStream {
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#[allow(deprecated)]
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app_plugin::derive_dynamic_plugin(input)
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}
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/// Implements [`Deref`] for structs. This is especially useful when utilizing the [newtype] pattern.
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/// Implements [`Deref`] for structs. This is especially useful when utilizing the [newtype] pattern.
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///
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///
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/// For single-field structs, the implementation automatically uses that field.
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/// For single-field structs, the implementation automatically uses that field.
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@ -31,7 +31,7 @@ sysinfo = { version = "0.30.0", optional = true, default-features = false, featu
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"apple-app-store",
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"apple-app-store",
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] }
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] }
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# Only include when not bevy_dynamic_plugin and on linux/windows/android
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# Only include when on linux/windows/android
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[target.'cfg(any(target_os = "linux", target_os = "windows", target_os = "android"))'.dependencies]
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[target.'cfg(any(target_os = "linux", target_os = "windows", target_os = "android"))'.dependencies]
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sysinfo = { version = "0.30.0", optional = true, default-features = false }
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sysinfo = { version = "0.30.0", optional = true, default-features = false }
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@ -1,24 +0,0 @@
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[package]
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name = "bevy_dynamic_plugin"
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version = "0.15.0-dev"
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edition = "2021"
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description = "Provides dynamic plugin loading capabilities for non-wasm platforms"
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homepage = "https://bevyengine.org"
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repository = "https://github.com/bevyengine/bevy"
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license = "MIT OR Apache-2.0"
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keywords = ["bevy"]
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[dependencies]
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# bevy
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bevy_app = { path = "../bevy_app", version = "0.15.0-dev" }
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# other
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libloading = { version = "0.8" }
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thiserror = "1.0"
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[lints]
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workspace = true
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[package.metadata.docs.rs]
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rustdoc-args = ["-Zunstable-options", "--generate-link-to-definition"]
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all-features = true
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@ -1,7 +0,0 @@
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# Bevy Dynamic Plugin
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[](https://github.com/bevyengine/bevy#license)
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[](https://crates.io/crates/bevy_dynamic_plugin)
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[](https://crates.io/crates/bevy_dynamic_plugin)
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[](https://docs.rs/bevy_dynamic_plugin/latest/bevy_dynamic_plugin/)
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[](https://discord.gg/bevy)
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@ -1,41 +0,0 @@
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#![cfg_attr(docsrs, feature(doc_auto_cfg))]
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#![doc(
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html_logo_url = "https://bevyengine.org/assets/icon.png",
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html_favicon_url = "https://bevyengine.org/assets/icon.png"
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)]
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//! Bevy's dynamic plugin loading functionality.
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//!
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//! This crate allows loading dynamic libraries (`.dylib`, `.so`) that export a single
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//! [`Plugin`](bevy_app::Plugin). For usage, see [`dynamically_load_plugin`].
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//!
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//! # Deprecation
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//!
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//! The current dynamic plugin system is unsound and will be removed in 0.15. You may be interested
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//! in the [Alternatives](#alternatives) listed below. If your use-case is not supported, please
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//! consider commenting on [#13080](https://github.com/bevyengine/bevy/pull/13080) describing how
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//! you use dynamic plugins in your project.
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//!
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//! # Warning
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//!
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//! Note that dynamic linking and loading is inherently unsafe because it allows executing foreign
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//! code. Additionally, Rust does not have a stable ABI and may produce
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//! incompatible libraries across Rust versions, or even subsequent compilations. This will not work
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//! well in scenarios such as modding, but can work if the dynamic plugins and the main app are
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//! built at the same time, such as with Downloadable Content (DLC) packs.
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//!
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//! # Alternatives
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//!
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//! You may be interested in these safer alternatives:
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//!
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//! - [Bevy Assets - Scripting]: Scripting and modding libraries for Bevy
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//! - [Bevy Assets - Development tools]: Hot reloading and other development functionality
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//! - [`stabby`]: Stable Rust ABI
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//!
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//! [Bevy Assets - Scripting]: https://bevyengine.org/assets/#scripting
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//! [Bevy Assets - Development tools]: https://bevyengine.org/assets/#development-tools
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//! [`stabby`]: https://github.com/ZettaScaleLabs/stabby
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mod loader;
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pub use loader::*;
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@ -1,86 +0,0 @@
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#![allow(unsafe_code)]
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#![allow(deprecated)]
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use libloading::{Library, Symbol};
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use std::ffi::OsStr;
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use thiserror::Error;
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use bevy_app::{App, CreatePlugin, Plugin};
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/// Errors that can occur when loading a dynamic plugin
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#[derive(Debug, Error)]
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#[deprecated(
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since = "0.14.0",
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note = "The current dynamic plugin system is unsound and will be removed in 0.15."
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)]
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pub enum DynamicPluginLoadError {
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/// An error occurred when loading a dynamic library.
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#[error("cannot load library for dynamic plugin: {0}")]
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Library(#[source] libloading::Error),
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/// An error occurred when loading a library without a valid Bevy plugin.
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#[error("dynamic library does not contain a valid Bevy dynamic plugin")]
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Plugin(#[source] libloading::Error),
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}
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/// Dynamically links a plugin at the given path. The plugin must export a function with the
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/// [`CreatePlugin`] signature named `_bevy_create_plugin`.
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///
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/// # Safety
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///
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/// The specified plugin must be linked against the exact same `libbevy.so` as this program.
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/// In addition the `_bevy_create_plugin` symbol must not be manually created, but instead created
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/// by deriving `DynamicPlugin` on a unit struct implementing [`Plugin`].
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///
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/// Dynamically loading plugins is orchestrated through dynamic linking. When linking against
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/// foreign code, initialization routines may be run (as well as termination routines when the
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/// program exits). The caller of this function is responsible for ensuring these routines are
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/// sound. For more information, please see the safety section of [`libloading::Library::new`].
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#[deprecated(
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since = "0.14.0",
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note = "The current dynamic plugin system is unsound and will be removed in 0.15."
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)]
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pub unsafe fn dynamically_load_plugin<P: AsRef<OsStr>>(
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path: P,
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) -> Result<(Library, Box<dyn Plugin>), DynamicPluginLoadError> {
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// SAFETY: Caller must follow the safety requirements of Library::new.
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let lib = unsafe { Library::new(path).map_err(DynamicPluginLoadError::Library)? };
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// SAFETY: Loaded plugins are not allowed to specify `_bevy_create_plugin` symbol manually, but
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// must instead automatically generate it through `DynamicPlugin`.
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let func: Symbol<CreatePlugin> = unsafe {
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lib.get(b"_bevy_create_plugin")
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.map_err(DynamicPluginLoadError::Plugin)?
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};
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// SAFETY: `func` is automatically generated and is guaranteed to return a pointer created using
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// `Box::into_raw`.
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let plugin = unsafe { Box::from_raw(func()) };
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Ok((lib, plugin))
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}
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/// An extension trait for [`App`] that allows loading dynamic plugins.
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#[deprecated(
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since = "0.14.0",
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note = "The current dynamic plugin system is unsound and will be removed in 0.15."
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)]
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pub trait DynamicPluginExt {
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/// Dynamically links a plugin at the given path, registering the plugin.
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///
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/// For more details, see [`dynamically_load_plugin`].
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///
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/// # Safety
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///
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/// See [`dynamically_load_plugin`]'s safety section.
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unsafe fn load_plugin<P: AsRef<OsStr>>(&mut self, path: P) -> &mut Self;
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}
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impl DynamicPluginExt for App {
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unsafe fn load_plugin<P: AsRef<OsStr>>(&mut self, path: P) -> &mut Self {
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// SAFETY: Follows the same safety requirements as `dynamically_load_plugin`.
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let (lib, plugin) = unsafe { dynamically_load_plugin(path).unwrap() };
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std::mem::forget(lib); // Ensure that the library is not automatically unloaded
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plugin.build(self);
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self
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}
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}
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@ -230,7 +230,6 @@ bevy_audio = { path = "../bevy_audio", optional = true, version = "0.15.0-dev" }
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bevy_color = { path = "../bevy_color", optional = true, version = "0.15.0-dev" }
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bevy_color = { path = "../bevy_color", optional = true, version = "0.15.0-dev" }
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bevy_core_pipeline = { path = "../bevy_core_pipeline", optional = true, version = "0.15.0-dev" }
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bevy_core_pipeline = { path = "../bevy_core_pipeline", optional = true, version = "0.15.0-dev" }
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bevy_dev_tools = { path = "../bevy_dev_tools", optional = true, version = "0.15.0-dev" }
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bevy_dev_tools = { path = "../bevy_dev_tools", optional = true, version = "0.15.0-dev" }
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bevy_dynamic_plugin = { path = "../bevy_dynamic_plugin", optional = true, version = "0.15.0-dev" }
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bevy_gilrs = { path = "../bevy_gilrs", optional = true, version = "0.15.0-dev" }
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bevy_gilrs = { path = "../bevy_gilrs", optional = true, version = "0.15.0-dev" }
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bevy_gizmos = { path = "../bevy_gizmos", optional = true, version = "0.15.0-dev", default-features = false }
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bevy_gizmos = { path = "../bevy_gizmos", optional = true, version = "0.15.0-dev", default-features = false }
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bevy_gltf = { path = "../bevy_gltf", optional = true, version = "0.15.0-dev" }
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bevy_gltf = { path = "../bevy_gltf", optional = true, version = "0.15.0-dev" }
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@ -29,8 +29,6 @@ pub use bevy_core_pipeline as core_pipeline;
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#[cfg(feature = "bevy_dev_tools")]
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#[cfg(feature = "bevy_dev_tools")]
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pub use bevy_dev_tools as dev_tools;
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pub use bevy_dev_tools as dev_tools;
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pub use bevy_diagnostic as diagnostic;
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pub use bevy_diagnostic as diagnostic;
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#[cfg(feature = "bevy_dynamic_plugin")]
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pub use bevy_dynamic_plugin as dynamic_plugin;
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pub use bevy_ecs as ecs;
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pub use bevy_ecs as ecs;
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#[cfg(feature = "bevy_gilrs")]
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#[cfg(feature = "bevy_gilrs")]
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pub use bevy_gilrs as gilrs;
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pub use bevy_gilrs as gilrs;
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@ -51,10 +51,6 @@ pub use crate::text::prelude::*;
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#[cfg(feature = "bevy_ui")]
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#[cfg(feature = "bevy_ui")]
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pub use crate::ui::prelude::*;
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pub use crate::ui::prelude::*;
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#[doc(hidden)]
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#[cfg(feature = "bevy_dynamic_plugin")]
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pub use crate::dynamic_plugin::*;
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#[doc(hidden)]
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#[doc(hidden)]
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#[cfg(feature = "bevy_gizmos")]
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#[cfg(feature = "bevy_gizmos")]
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pub use crate::gizmos::prelude::*;
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pub use crate::gizmos::prelude::*;
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@ -54,7 +54,6 @@ The default feature set enables most of the expected features of a game engine,
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|bevy_ci_testing|Enable systems that allow for automated testing on CI|
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|bevy_ci_testing|Enable systems that allow for automated testing on CI|
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|bevy_debug_stepping|Enable stepping-based debugging of Bevy systems|
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|bevy_debug_stepping|Enable stepping-based debugging of Bevy systems|
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|bevy_dev_tools|Provides a collection of developer tools|
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|bevy_dev_tools|Provides a collection of developer tools|
|
||||||
|bevy_dynamic_plugin|Plugin for dynamic loading (using [libloading](https://crates.io/crates/libloading))|
|
|
||||||
|bmp|BMP image format support|
|
|bmp|BMP image format support|
|
||||||
|dds|DDS compressed texture support|
|
|dds|DDS compressed texture support|
|
||||||
|debug_glam_assert|Enable assertions in debug builds to check the validity of parameters passed to glam|
|
|debug_glam_assert|Enable assertions in debug builds to check the validity of parameters passed to glam|
|
||||||
|
|
|
||||||
|
|
@ -16,7 +16,6 @@ crates=(
|
||||||
bevy_app
|
bevy_app
|
||||||
bevy_time
|
bevy_time
|
||||||
bevy_log
|
bevy_log
|
||||||
bevy_dynamic_plugin
|
|
||||||
bevy_asset/macros
|
bevy_asset/macros
|
||||||
bevy_asset
|
bevy_asset
|
||||||
bevy_audio
|
bevy_audio
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue