bridge: add in-process node registry and transform updates with logging; import CustomElement; implement Ctrl::Default; add sdxr_node_count() for diagnostics

bridge/src/lib.rs

@@ -1,5 +1,6 @@
 // Rust C-ABI bridge for StardustXR client integration.
 
+use std::collections::HashMap;
 use std::ffi::CStr;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::Mutex;
@@ -11,8 +12,8 @@ use stardust_xr_asteroids::{
     client::ClientState,
     elements::PlaySpace,
     Migrate, Reify,
-    CustomElement, Element,
 };
+use stardust_xr_asteroids::CustomElement;
 use tokio::runtime::Runtime;
 
 #[derive(Default, serde::Serialize, serde::Deserialize)]
@@ -44,11 +45,30 @@ lazy_static::lazy_static! {
 }
 
 #[derive(Default)]
+struct Node {
+    id: u64,
+    name: String,
+    transform: Mat4,
+}
+
 struct Ctrl {
     rt: Option<Runtime>,
     handle: Option<JoinHandle<()>>, // client running thread
     tx: Option<tokio::sync::mpsc::UnboundedSender<Command>>,
     next_id: u64,
+    nodes: HashMap<u64, Node>,
+}
+
+impl Default for Ctrl {
+    fn default() -> Self {
+        Self {
+            rt: None,
+            handle: None,
+            tx: None,
+            next_id: 1,
+            nodes: HashMap::new(),
+        }
+    }
 }
 
 #[no_mangle]
@@ -68,24 +88,40 @@ pub extern "C" fn sdxr_start(app_id: *const std::os::raw::c_char) -> i32 {
         .expect("tokio runtime");
     let handle = std::thread::spawn(move || {
         let res = rt.block_on(async move {
-            // Run the client with our BridgeState
+            // Run the client with our BridgeState (root PlaySpace)
             let _state = BridgeState {};
 
-            // Launch a task to apply incoming commands once the client is up
+            // Spawn command processor task
             let cmd_task = tokio::spawn(async move {
-                // This is a placeholder; in a full implementation we would
+                // We cannot mutate CTRL from inside this async task directly, so we
-                // hold references to created nodes. For now we simply drain.
+                // accumulate changes and apply them via a secondary channel or by
+                // locking CTRL per message. Simplicity first: lock per command.
                 while let Some(cmd) = rx.recv().await {
                     match cmd {
-                        Command::Create { .. } => {}
+                        Command::Create { c_id, name, transform } => {
-                        Command::Update { .. } => {}
+                            if let Ok(mut ctrl_locked) = CTRL.lock() {
+                                ctrl_locked.nodes.insert(c_id, Node { id: c_id, name: name.clone(), transform });
+                            }
+                            println!("[bridge] create node id={} name={}", c_id, name);
+                        }
+                        Command::Update { c_id, transform } => {
+                            if let Ok(mut ctrl_locked) = CTRL.lock() {
+                                if let Some(n) = ctrl_locked.nodes.get_mut(&c_id) {
+                                    n.transform = transform;
+                                    println!("[bridge] update node id={}", c_id);
+                                } else {
+                                    println!("[bridge] update for unknown node id={}", c_id);
+                                }
+                            }
+                        }
                         Command::Shutdown => break,
                     }
                 }
             });
 
             ast::client::run::<BridgeState>(&[]).await;
-            // Do not await cmd_task here; runtime shutdown will cancel it
+            // Runtime shutdown will drop task; we ignore join result intentionally.
+            let _ = cmd_task;
         });
         drop(rt);
         let _ = res;
@@ -141,3 +177,11 @@ pub extern "C" fn sdxr_update_node(id: u64, mat4: *const f32) -> i32 {
     if let Some(tx) = &ctrl.tx { let _ = tx.send(Command::Update { c_id: id, transform: mat }); }
     0
 }
+
+// Optional: expose number of nodes for diagnostics
+#[no_mangle]
+pub extern "C" fn sdxr_node_count() -> u64 {
+    if !STARTED.load(Ordering::SeqCst) { return 0; }
+    let ctrl = CTRL.lock().unwrap();
+    ctrl.nodes.len() as u64
+}

bridge/target/debug/.fingerprint/stardust_bridge-1d0048cfc9503ec3/output-lib-stardust_bridge

@@ -1,6 +1,3 @@
-{"$message_type":"diagnostic","message":"unused import: `Element`","code":{"code":"unused_imports","explanation":null},"level":"warning","spans":[{"file_name":"src/lib.rs","byte_start":365,"byte_end":372,"line_start":14,"line_end":14,"column_start":20,"column_end":27,"is_primary":true,"text":[{"text":"    CustomElement, Element,","highlight_start":20,"highlight_end":27}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(unused_imports)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"remove the unused import","code":null,"level":"help","spans":[{"file_name":"src/lib.rs","byte_start":363,"byte_end":372,"line_start":14,"line_end":14,"column_start":18,"column_end":27,"is_primary":true,"text":[{"text":"    CustomElement, Element,","highlight_start":18,"highlight_end":27}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: unused import: `Element`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/lib.rs:14:20\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m14\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    CustomElement, Element,\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(unused_imports)]` on by default\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"unused variable: `name`","code":{"code":"unused_variables","explanation":null},"level":"warning","spans":[{"file_name":"src/lib.rs","byte_start":1853,"byte_end":1857,"line_start":77,"line_end":77,"column_start":9,"column_end":13,"is_primary":true,"text":[{"text":"    let name = unsafe { CStr::from_ptr(app_id) }.to_string_lossy().to_string();","highlight_start":9,"highlight_end":13}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(unused_variables)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"if this is intentional, prefix it with an underscore","code":null,"level":"help","spans":[{"file_name":"src/lib.rs","byte_start":1853,"byte_end":1857,"line_start":77,"line_end":77,"column_start":9,"column_end":13,"is_primary":true,"text":[{"text":"    let name = unsafe { CStr::from_ptr(app_id) }.to_string_lossy().to_string();","highlight_start":9,"highlight_end":13}],"label":null,"suggested_replacement":"_name","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: unused variable: `name`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/lib.rs:77:9\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m77\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    let name = unsafe { CStr::from_ptr(app_id) }.to_string_lossy().to_stri\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m...\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m         \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[33mhelp: if this is intentional, prefix it with an underscore: `_name`\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(unused_variables)]` on by default\u001b[0m\n\n"}
-{"$message_type":"diagnostic","message":"unused variable: `name`","code":{"code":"unused_variables","explanation":null},"level":"warning","spans":[{"file_name":"src/lib.rs","byte_start":1494,"byte_end":1498,"line_start":57,"line_end":57,"column_start":9,"column_end":13,"is_primary":true,"text":[{"text":"    let name = unsafe { CStr::from_ptr(app_id) }.to_string_lossy().to_string();","highlight_start":9,"highlight_end":13}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(unused_variables)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"if this is intentional, prefix it with an underscore","code":null,"level":"help","spans":[{"file_name":"src/lib.rs","byte_start":1494,"byte_end":1498,"line_start":57,"line_end":57,"column_start":9,"column_end":13,"is_primary":true,"text":[{"text":"    let name = unsafe { CStr::from_ptr(app_id) }.to_string_lossy().to_string();","highlight_start":9,"highlight_end":13}],"label":null,"suggested_replacement":"_name","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: unused variable: `name`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/lib.rs:57:9\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m57\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    let name = unsafe { CStr::from_ptr(app_id) }.to_string_lossy().to_stri\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m...\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m         \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[33mhelp: if this is intentional, prefix it with an underscore: `_name`\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(unused_variables)]` on by default\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"fields `id` and `name` are never read","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src/lib.rs","byte_start":1210,"byte_end":1214,"line_start":48,"line_end":48,"column_start":8,"column_end":12,"is_primary":false,"text":[{"text":"struct Node {","highlight_start":8,"highlight_end":12}],"label":"fields in this struct","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/lib.rs","byte_start":1221,"byte_end":1223,"line_start":49,"line_end":49,"column_start":5,"column_end":7,"is_primary":true,"text":[{"text":"    id: u64,","highlight_start":5,"highlight_end":7}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/lib.rs","byte_start":1234,"byte_end":1238,"line_start":50,"line_end":50,"column_start":5,"column_end":9,"is_primary":true,"text":[{"text":"    name: String,","highlight_start":5,"highlight_end":9}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: fields `id` and `name` are never read\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/lib.rs:49:5\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m48\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0mstruct Node {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m        \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m----\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12mfields in this struct\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m49\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    id: u64,\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m50\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    name: String,\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
-{"$message_type":"diagnostic","message":"unused variable: `cmd_task`","code":{"code":"unused_variables","explanation":null},"level":"warning","spans":[{"file_name":"src/lib.rs","byte_start":2205,"byte_end":2213,"line_start":75,"line_end":75,"column_start":17,"column_end":25,"is_primary":true,"text":[{"text":"            let cmd_task = tokio::spawn(async move {","highlight_start":17,"highlight_end":25}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"if this is intentional, prefix it with an underscore","code":null,"level":"help","spans":[{"file_name":"src/lib.rs","byte_start":2205,"byte_end":2213,"line_start":75,"line_end":75,"column_start":17,"column_end":25,"is_primary":true,"text":[{"text":"            let cmd_task = tokio::spawn(async move {","highlight_start":17,"highlight_end":25}],"label":null,"suggested_replacement":"_cmd_task","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: unused variable: `cmd_task`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/lib.rs:75:17\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m75\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            let cmd_task = tokio::spawn(async move {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m                 \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[33mhelp: if this is intentional, prefix it with an underscore: `_cmd_task`\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"2 warnings emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: 2 warnings emitted\u001b[0m\n\n"}
-{"$message_type":"diagnostic","message":"fields `c_id`, `name`, and `transform` are never read","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src/lib.rs","byte_start":506,"byte_end":512,"line_start":22,"line_end":22,"column_start":5,"column_end":11,"is_primary":false,"text":[{"text":"    Create { c_id: u64, name: String, transform: Mat4 },","highlight_start":5,"highlight_end":11}],"label":"fields in this variant","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/lib.rs","byte_start":515,"byte_end":519,"line_start":22,"line_end":22,"column_start":14,"column_end":18,"is_primary":true,"text":[{"text":"    Create { c_id: u64, name: String, transform: Mat4 },","highlight_start":14,"highlight_end":18}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/lib.rs","byte_start":526,"byte_end":530,"line_start":22,"line_end":22,"column_start":25,"column_end":29,"is_primary":true,"text":[{"text":"    Create { c_id: u64, name: String, transform: Mat4 },","highlight_start":25,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/lib.rs","byte_start":540,"byte_end":549,"line_start":22,"line_end":22,"column_start":39,"column_end":48,"is_primary":true,"text":[{"text":"    Create { c_id: u64, name: String, transform: Mat4 },","highlight_start":39,"highlight_end":48}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: fields `c_id`, `name`, and `transform` are never read\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/lib.rs:22:14\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m22\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    Create { c_id: u64, name: String, transform: Mat4 },\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m------\u001b[0m\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^\u001b[0m\u001b[0m       \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^\u001b[0m\u001b[0m          \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^^^\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12mfields in this variant\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
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