feat: add recipient for specific language

crates/bevy_mod_scripting_core/src/event.rs

@@ -122,6 +122,8 @@ pub enum Recipients {
     Script(ScriptId),
     /// The event is to be handled by all the scripts on the specified entity
     Entity(Entity),
+    /// The event is to be handled by all the scripts of one language
+    Language(crate::asset::Language),
 }
 
 /// A callback event meant to trigger a callback in a subset/set of scripts in the world with the given arguments

crates/bevy_mod_scripting_core/src/handler.rs

@@ -129,6 +129,11 @@ pub(crate) fn event_handler_internal<L: IntoCallbackLabel, P: IntoScriptPluginPa
                     crate::event::Recipients::Entity(target_entity) if target_entity != entity => {
                         continue
                     }
+                    crate::event::Recipients::Language(target_language)
+                        if *target_language != P::LANGUAGE =>
+                    {
+                        continue
+                    }
                     _ => (),
                 }
                 let script = match res_ctxt.scripts.scripts.get(script_id) {