27 lines
766 B
Rust
27 lines
766 B
Rust
use libloading::{Library, Symbol};
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use bevy_app::{AppBuilder, CreatePlugin, Plugin};
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/// Dynamically links a plugin a the given path. The plugin must export the [CreatePlugin] function.
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pub fn dynamically_load_plugin(path: &str) -> (Library, Box<dyn Plugin>) {
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let lib = Library::new(path).unwrap();
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unsafe {
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let func: Symbol<CreatePlugin> = lib.get(b"_create_plugin").unwrap();
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let plugin = Box::from_raw(func());
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(lib, plugin)
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}
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}
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pub trait DynamicPluginExt {
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fn load_plugin(&mut self, path: &str) -> &mut Self;
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}
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impl DynamicPluginExt for AppBuilder {
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fn load_plugin(&mut self, path: &str) -> &mut Self {
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let (_lib, plugin) = dynamically_load_plugin(path);
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plugin.build(self);
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self
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}
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}
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