store the path to the library in dynamic plugins

fyrox-impl/src/plugin/dynamic.rs

@@ -1,13 +1,17 @@
 //! Dynamic plugins with hot-reloading ability.
 
 use crate::plugin::Plugin;
-use std::ffi::OsStr;
+use std::{
+    ffi::OsStr,
+    path::{Path, PathBuf},
+};
 
 /// Dynamic plugin, that is loaded from a dynamic library. Usually it is used for hot reloading,
 /// it is strongly advised not to use it in production builds, because it is slower than statically
 /// linked plugins and it could be unsafe if different compiler versions are used.
 pub struct DynamicPlugin {
     pub(super) plugin: Box<dyn Plugin>,
+    path: PathBuf,
     // Keep the library loaded.
     // Must be last!
     #[allow(dead_code)]
@@ -23,7 +27,7 @@ impl DynamicPlugin {
         P: AsRef<OsStr>,
     {
         unsafe {
-            let lib = libloading::Library::new(path).map_err(|e| e.to_string())?;
+            let lib = libloading::Library::new(path.as_ref()).map_err(|e| e.to_string())?;
 
             let entry = lib
                 .get::<PluginEntryPoint>("fyrox_plugin".as_bytes())
@@ -31,8 +35,14 @@ impl DynamicPlugin {
 
             Ok(Self {
                 plugin: entry(),
+                path: PathBuf::from(path.as_ref()),
                 lib,
             })
         }
     }
+
+    /// Returns the path from which the plugin was loaded from.
+    pub fn path(&self) -> &Path {
+        &self.path
+    }
 }