Rust files shouldn't be exported #64 (#69)

Rust source code should not be included in the exported resources.

Resolves #64

Author: TitanNano

rust-script/src/runtime/editor.rs

@@ -0,0 +1,85 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+use godot::{
+    builtin::{GString, PackedStringArray},
+    classes::{
+        EditorExportPlugin, EditorPlugin, IEditorExportPlugin, IEditorPlugin, Node, Resource,
+    },
+    obj::{Base, Gd, NewGd, WithBaseField},
+    prelude::{godot_api, GodotClass},
+};
+
+#[derive(GodotClass)]
+#[class(base = EditorPlugin, tool )]
+pub struct RustScriptEditorPlugin {
+    base: Base<EditorPlugin>,
+    export_plugin: Gd<RustScriptExportPlugin>,
+}
+
+#[godot_api]
+impl IEditorPlugin for RustScriptEditorPlugin {
+    fn init(base: Base<Self::Base>) -> Self {
+        Self {
+            base,
+            export_plugin: RustScriptExportPlugin::new_gd(),
+        }
+    }
+    fn enter_tree(&mut self) {
+        let export_plugin = self.export_plugin.clone();
+
+        self.base_mut().add_export_plugin(&export_plugin);
+    }
+
+    fn exit_tree(&mut self) {
+        let export_plugin = self.export_plugin.clone();
+
+        self.base_mut().remove_export_plugin(&export_plugin);
+    }
+}
+
+#[derive(GodotClass)]
+#[class(base = EditorExportPlugin, tool, init)]
+struct RustScriptExportPlugin {
+    base: Base<EditorExportPlugin>,
+}
+
+#[godot_api]
+impl IEditorExportPlugin for RustScriptExportPlugin {
+    #[expect(unused_variables)]
+    fn customize_resource(
+        &mut self,
+        resource: godot::prelude::Gd<Resource>,
+        path: godot::prelude::GString,
+    ) -> Option<godot::prelude::Gd<Resource>> {
+        None
+    }
+
+    #[expect(unused_variables)]
+    fn customize_scene(
+        &mut self,
+        scene: godot::prelude::Gd<Node>,
+        path: godot::prelude::GString,
+    ) -> Option<godot::prelude::Gd<Node>> {
+        None
+    }
+
+    fn get_customization_configuration_hash(&self) -> u64 {
+        0
+    }
+
+    fn get_name(&self) -> godot::prelude::GString {
+        GString::from("RustScriptExportPlugin")
+    }
+
+    fn export_file(&mut self, path: GString, _type_: GString, _features: PackedStringArray) {
+        if !path.ends_with(".rs") {
+            return;
+        }
+
+        self.base_mut().skip();
+    }
+}

rust-script/src/runtime/mod.rs

@@ -6,6 +6,7 @@
 
 mod call_context;
 mod downgrade_self;
+mod editor;
 mod metadata;
 mod resource_loader;
 mod resource_saver;