bevy/src/plugin/mod.rs

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Rust
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2020-01-21 04:10:40 +00:00
use crate::app::AppBuilder;
use libloading::{Library, Symbol};
use std::any::Any;
pub trait AppPlugin: Any + Send + Sync {
fn build(&self, app_builder: AppBuilder) -> AppBuilder;
fn name(&self) -> &'static str;
}
type CreateAppPlugin = unsafe fn() -> *mut dyn AppPlugin;
pub fn load_plugin(path: &str) -> (Library, Box<dyn AppPlugin>) {
let lib = Library::new(path).unwrap();
unsafe {
let func: Symbol<CreateAppPlugin> = lib.get(b"_create_plugin").unwrap();
let plugin = Box::from_raw(func());
(lib, plugin)
}
}