ADD: Lighting modifier and IBL probe

src/scene/vk_scene.cpp

@@ -37,6 +37,36 @@ void SceneManager::clearPointLights()
     pointLights.clear();
 }
 
+bool SceneManager::getPointLight(size_t index, PointLight &outLight) const
+{
+    if (index >= pointLights.size())
+    {
+        return false;
+    }
+    outLight = pointLights[index];
+    return true;
+}
+
+bool SceneManager::setPointLight(size_t index, const PointLight &light)
+{
+    if (index >= pointLights.size())
+    {
+        return false;
+    }
+    pointLights[index] = light;
+    return true;
+}
+
+bool SceneManager::removePointLight(size_t index)
+{
+    if (index >= pointLights.size())
+    {
+        return false;
+    }
+    pointLights.erase(pointLights.begin() + index);
+    return true;
+}
+
 void SceneManager::init(EngineContext *context)
 {
     _context = context;

src/scene/vk_scene.h

@@ -136,6 +136,10 @@ public:
 
     void addPointLight(const PointLight &light);
     void clearPointLights();
+    size_t getPointLightCount() const { return pointLights.size(); }
+    bool getPointLight(size_t index, PointLight &outLight) const;
+    bool setPointLight(size_t index, const PointLight &light);
+    bool removePointLight(size_t index);
     const std::vector<PointLight> &getPointLights() const { return pointLights; }
 
     struct SceneStats