Added names to objects

kiln-core/src/script.rs

@@ -466,6 +466,32 @@ fn register_read_api(engine: &mut Engine, board: &BoardRef, board_queue: &BoardQ
                 .collect()
         },
     );
+
+    // my_name() -> String: the calling object's name, or "" if unnamed.
+    let b = board.clone();
+    engine.register_fn("my_name", move |ctx: NativeCallContext| -> String {
+        let src = source_of(&ctx);
+        b.borrow()
+            .objects
+            .get(&src)
+            .and_then(|o| o.name.as_deref())
+            .unwrap_or("")
+            .to_string()
+    });
+
+    // object_id_for_name(s) -> i64: id of the object with the given name, or 0 if none.
+    let b = board.clone();
+    engine.register_fn(
+        "object_id_for_name",
+        move |_ctx: NativeCallContext, name: ImmutableString| -> i64 {
+            b.borrow()
+                .objects
+                .iter()
+                .find(|(_, o)| o.name.as_deref() == Some(name.as_str()))
+                .map(|(&id, _)| id as i64)
+                .unwrap_or(0)
+        },
+    );
 }
 
 /// Whether the object at `source` would bump something by moving in `dir`.