Make the method isCulled publicly available

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2361 dfc29bdd-3216-0410-991c-e03cc46cb475

include/ISceneManager.h

@@ -1029,7 +1029,7 @@ namespace scene
 		/** \return The active camera is returned. Note that this can
 		be NULL, if there was no camera created yet.
 		This pointer should not be dropped. See IReferenceCounted::drop() for more information. */
-		virtual ICameraSceneNode* getActiveCamera() = 0;
+		virtual ICameraSceneNode* getActiveCamera() const =0;
 
 		//! Sets the currently active camera.
 		/** The previous active camera will be deactivated.
@@ -1454,6 +1454,17 @@ namespace scene
 		/** The geometry creator provides some helper methods to create various types of
 		basic geometry. This can be useful for custom scene nodes. */
 		virtual const IGeometryCreator* getGeometryCreator(void) const = 0;
+
+		//! Check if node is culled in current view frustum
+		/** Please note that depending on the used culling method this
+		check can be rather coarse, or slow. A positive result is
+		correct, though, i.e. if this method returns true the node is
+		positively not visible. The node might still be invisible even
+		if this method returns false.
+		\param node The scene node which is checked for culling.
+		\return True if node is not visible in the current scene, else
+		false. */
+		virtual bool isCulled(const ISceneNode* node) const =0;
 	};
 
 

source/Irrlicht/CSceneManager.cpp

@@ -1084,7 +1084,7 @@ ISceneNode* CSceneManager::getRootSceneNode()
 //! Returns the current active camera.
 //! \return The active camera is returned. Note that this can be NULL, if there
 //! was no camera created yet.
-ICameraSceneNode* CSceneManager::getActiveCamera()
+ICameraSceneNode* CSceneManager::getActiveCamera() const
 {
 	return ActiveCamera;
 }
@@ -1121,7 +1121,7 @@ const core::aabbox3d<f32>& CSceneManager::getBoundingBox() const
 
 
 //! returns if node is culled
-bool CSceneManager::isCulled(const ISceneNode* node)
+bool CSceneManager::isCulled(const ISceneNode* node) const
 {
 	const ICameraSceneNode* cam = getActiveCamera();
 	if (!cam)

source/Irrlicht/CSceneManager.h

@@ -278,7 +278,7 @@ namespace scene
 		//! Returns the current active camera.
 		//! \return The active camera is returned. Note that this can be NULL, if there
 		//! was no camera created yet.
-		virtual ICameraSceneNode* getActiveCamera();
+		virtual ICameraSceneNode* getActiveCamera() const;
 
 		//! Sets the active camera. The previous active camera will be deactivated.
 		//! \param camera: The new camera which should be active.
@@ -485,10 +485,10 @@ namespace scene
 		//! Get an instance of a geometry creator.
 		virtual const IGeometryCreator* getGeometryCreator(void) const { return GeometryCreator; }
 
-	private:
-
 		//! returns if node is culled
-		bool isCulled(const ISceneNode* node);
+		virtual bool isCulled(const ISceneNode* node) const;
+
+	private:
 
 		//! clears the deletion list
 		void clearDeletionList();