Implement queryNodesByDistance function to retrieve node IDs within a specified distance

src/StardustBridge.cpp

@@ -1,3 +1,12 @@
+#include <array>
+std::vector<StardustBridge::NodeId> StardustBridge::queryNodesByDistance(const glm::vec3& center, float radius, size_t maxCount) {
+    std::vector<NodeId> result;
+    if (!m_fnQueryNodesByDistance) return result;
+    std::vector<std::uint64_t> ids(maxCount);
+    std::size_t found = m_fnQueryNodesByDistance(center.x, center.y, center.z, radius, ids.data(), maxCount);
+    result.assign(ids.begin(), ids.begin() + found);
+    return result;
+}
 // StardustBridge.cpp
 #include "StardustBridge.hpp"
 #include "ModelCache.hpp"
@@ -380,7 +389,8 @@ bool StardustBridge::loadBridge() {
         m_fnSetTexture = reinterpret_cast<fn_set_texture_t>(req("sdxr_set_node_texture"));
         m_fnSetColor = reinterpret_cast<fn_set_color_t>(req("sdxr_set_node_color"));
         m_fnSetDimensions = reinterpret_cast<fn_set_dimensions_t>(req("sdxr_set_node_dimensions"));
-        m_fnSetEntityType = reinterpret_cast<fn_set_entity_type_t>(req("sdxr_set_node_entity_type"));
+    m_fnQueryNodesByDistance = reinterpret_cast<fn_query_nodes_by_distance_t>(req("sdxr_query_nodes_by_distance"));
+    m_fnSetEntityType = reinterpret_cast<fn_set_entity_type_t>(req("sdxr_set_node_entity_type"));
         if (m_fnStart && m_fnPoll && m_fnCreateNode && m_fnUpdateNode) {
             m_bridgeHandle = h;
             std::cout << "[StardustBridge] Loaded Rust bridge: " << path << std::endl;

src/StardustBridge.hpp

@@ -1,3 +1,5 @@
+	// Query node IDs within a distance of a point
+	std::vector<NodeId> queryNodesByDistance(const glm::vec3& center, float radius, size_t maxCount = 128);
 // StardustBridge.hpp
 #pragma once
 
@@ -90,6 +92,7 @@ private:
 	using fn_set_texture_t = int(*)(std::uint64_t, const char*);
 	using fn_set_color_t = int(*)(std::uint64_t, float, float, float, float);
 	using fn_set_dimensions_t = int(*)(std::uint64_t, float, float, float);
+	using fn_query_nodes_by_distance_t = std::size_t(*)(float, float, float, float, std::uint64_t*, std::size_t);
 	using fn_set_entity_type_t = int(*)(std::uint64_t, std::uint8_t);
 	
 	fn_start_t m_fnStart{nullptr};
@@ -102,6 +105,7 @@ private:
 	fn_set_texture_t m_fnSetTexture{nullptr};
 	fn_set_color_t m_fnSetColor{nullptr};
 	fn_set_dimensions_t m_fnSetDimensions{nullptr};
+	fn_query_nodes_by_distance_t m_fnQueryNodesByDistance{nullptr};
 	fn_set_entity_type_t m_fnSetEntityType{nullptr};
 
 	bool loadBridge();