source: trunk/VUT/OcclusionCullingSceneManager/include/OgreOcclusionCullingOctreeSceneManager.h @ 44

#ifndef _OcclusionCullingTerrainSceneManager_H__
#define _OcclusionCullingTerrainSceneManager_H__

#include <OgreSceneNode.h>
#include <OgreOctreeSceneManager.h>
#include <OgreTerrainSceneManager.h>
#include <OgreOctreeSceneQuery.h>
#include <OgreOctreeNode.h>
#include <OgreOctreeCamera.h>

#include "OgrePrerequisites.h"
#include "OgreOcclusionCullingTerrainSceneTraverser.h"
//#include "OgreSolidHalfBoundingBox.h"

using namespace std;

namespace Ogre {
        /**
                Class which implements a scene mangager which uses occlusion queries for culling occluded objects
        */
        class OcclusionCullingTerrainSceneManager: public TerrainSceneManager
        {
        public:
                OcclusionCullingTerrainSceneManager();
                ~OcclusionCullingTerrainSceneManager();
        
                void _renderVisibleObjects(void);
                void _findVisibleObjects(Camera* cam, bool onlyShadowCasters);
                void _updateSceneGraph(Camera* cam);

                /** Sets the given option for the SceneManager
                               @remarks
                        Options are:
                        "Algorithm", int *;                     
                */
                
                virtual bool setOption( const String &, const void * );
                /** Gets the given option for the Scene Manager.
                @remarks
                    See setOption
                */
                virtual bool getOption( const String &, void * );

                bool getOptionValues( const String & key, StringVector &refValueList );
                bool getOptionKeys( StringVector &refKeys );

                /** Renders one octant of an octree, i.e., renders current octant
                        node and does not traverse deeper into the tree.
                        @remark Note that OctreeNode instances are NOT part of the octree 
                        hierarchy, instead one octant of an Octree contains many OctreeNode instances.
                        @param octree the octree to be rendered
                        @param cam current camera
                */
                void _renderOctant(Camera* cam, Octree *octree);

        protected:
                /** Recursively counts octree size (i.e., number of octree instances)
                @param root current octree
                */
                //unsigned int countOctreeSize(Octree *root);

                OcclusionCullingTerrainSceneTraverser *mOcclusionCullingTerrainSceneTraverser;
        };

}
#endif // OcclusionCullingTerrainSceneManager_H