feat: add removeNode function to StardustBridge for node deletion

src/StardustBridge.cpp

@@ -161,6 +161,16 @@ bool StardustBridge::updateNodeTransform(NodeId id, const glm::mat4& transform)
     return true;
 }
 
+bool StardustBridge::removeNode(NodeId id) {
+    auto it = m_nodes.find(id);
+    if (it == m_nodes.end()) return false;
+    m_nodes.erase(it);
+    if (m_fnRemoveNode) {
+        (void)m_fnRemoveNode(id);
+    }
+    return true;
+}
+
 void StardustBridge::poll() {
     if (!m_connected) return;
 
@@ -237,6 +247,7 @@ bool StardustBridge::loadBridge() {
         m_fnShutdown = reinterpret_cast<fn_shutdown_t>(req("sdxr_shutdown"));
         m_fnCreateNode = reinterpret_cast<fn_create_node_t>(req("sdxr_create_node"));
         m_fnUpdateNode = reinterpret_cast<fn_update_node_t>(req("sdxr_update_node"));
+        m_fnRemoveNode = reinterpret_cast<fn_remove_node_t>(req("sdxr_remove_node"));
         if (m_fnStart && m_fnPoll && m_fnCreateNode && m_fnUpdateNode) {
             m_bridgeHandle = h;
             std::cout << "[StardustBridge] Loaded Rust bridge: " << path << std::endl;

src/StardustBridge.hpp

@@ -28,6 +28,9 @@ public:
 	// Update a node's transform. Returns false if the node doesn't exist.
 	bool updateNodeTransform(NodeId id, const glm::mat4& transform);
 
+	// Remove a node. Returns false if the node doesn't exist.
+	bool removeNode(NodeId id);
+
 	// Poll compositor events and input. Non-blocking.
 	void poll();
 
@@ -77,11 +80,13 @@ private:
 	using fn_shutdown_t = void(*)();
 	using fn_create_node_t = std::uint64_t(*)(const char*, const float*);
 	using fn_update_node_t = int(*)(std::uint64_t, const float*);
+	using fn_remove_node_t = int(*)(std::uint64_t);
 	fn_start_t m_fnStart{nullptr};
 	fn_poll_t m_fnPoll{nullptr};
 	fn_shutdown_t m_fnShutdown{nullptr};
 	fn_create_node_t m_fnCreateNode{nullptr};
 	fn_update_node_t m_fnUpdateNode{nullptr};
+	fn_remove_node_t m_fnRemoveNode{nullptr};
 
 	bool loadBridge();
 };