feat: add camera culling masks

engine/include/XCEngine/Components/CameraComponent.h

@@ -46,6 +46,9 @@ public:
     CameraClearMode GetClearMode() const { return m_clearMode; }
     void SetClearMode(CameraClearMode value) { m_clearMode = value; }
 
+    uint32_t GetCullingMask() const { return m_cullingMask; }
+    void SetCullingMask(uint32_t value) { m_cullingMask = value; }
+
     const Math::Color& GetClearColor() const { return m_clearColor; }
     void SetClearColor(const Math::Color& value) { m_clearColor = value; }
 
@@ -61,6 +64,7 @@ private:
     float m_depth = 0.0f;
     bool m_primary = true;
     CameraClearMode m_clearMode = CameraClearMode::Auto;
+    uint32_t m_cullingMask = 0xFFFFFFFFu;
     Math::Color m_clearColor = Math::Color(0.192f, 0.302f, 0.475f, 1.0f);
 };
 

engine/include/XCEngine/Components/GameObject.h

@@ -30,6 +30,8 @@ public:
     uint64_t GetUUID() const { return m_uuid; }
     const std::string& GetName() const { return m_name; }
     void SetName(const std::string& name) { m_name = name; }
+    uint8_t GetLayer() const { return m_layer; }
+    void SetLayer(uint8_t layer) { m_layer = std::min<uint8_t>(layer, 31u); }
 
     void DetachFromParent();
 
@@ -217,6 +219,7 @@ private:
     std::string m_name;
     bool m_activeSelf = true;
     bool m_started = false;
+    uint8_t m_layer = 0;
     
     GameObject* m_parent = nullptr;
     std::vector<GameObject*> m_children;

engine/include/XCEngine/Rendering/RenderSceneExtractor.h

@@ -67,6 +67,7 @@ private:
     void ExtractVisibleItems(
         Components::GameObject* gameObject,
         const Math::Vector3& cameraPosition,
+        uint32_t cullingMask,
         std::vector<VisibleRenderItem>& visibleItems) const;
 };