source: trunk/VUT/Ogre/include/OgreVisibilityOctreeSceneManager.h @ 139

#ifndef _VisibilityOctreeSceneManager_H__
#define _VisibilityOctreeSceneManager_H__

#include <OgreSceneNode.h>
#include <OgreOctreeSceneManager.h>
#include <OgreOctreeNode.h>
#include <OgreOctreeCamera.h>
#include <OgrePrerequisites.h>

#include "OgreOctreeHierarchyInterface.h"
#include "VisibilityManager.h"

namespace Ogre {

/**
        This class extends the octree scene manager, using 
        occlusion queries for visibility culling.
*/
class VisibilityOctreeSceneManager: public OctreeSceneManager
{
public:
        VisibilityOctreeSceneManager(GtpVisibility::VisibilityManager *visManager);
        ~VisibilityOctreeSceneManager();

        void _renderVisibleObjects();
        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 VisibilityManager.
            @remarks
                See setOption
        */
        virtual bool getOption(const String &, void *);

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

        /** Sets the visibility manager.
                @param visManager the visibility manager
        */
        void setVisibilityManager(GtpVisibility::VisibilityManager *visManager);
        /** See set.
        */
        GtpVisibility::VisibilityManager *getVisibilityManager();
        
        /** Render a set of objects, see renderSingleObject for param definitions 
                Override so we can handle delayed rendering of transparent objects
        */
        virtual void renderObjects(const RenderPriorityGroup::TransparentRenderablePassList& objs, 
            bool doLightIteration, const LightList* manualLightList = 0);

        /** Writes out stats into the Ogre log file.
        */
        void WriteLog();

        /** Override pass so we can do the z-fail pass */
        Pass* setPass(Pass* pass);

protected:
        /** Creates material for depth pass, e.g., a pass that only fills the depth buffer */
        void InitDepthPass();
        
        /** Prepares visualization of hierarchical culling. */
        void PrepareVisualization(Camera *cam);
        OctreeHierarchyInterface *mHierarchyInterface;
        GtpVisibility::VisibilityManager *mVisibilityManager;
        
        bool mShowVisualization;
        bool mSkipTransparents;
        bool mVisualizeCulledNodes;

        bool mRenderNodesForViz;
        bool mRenderNodesContentForViz;
        bool mDelayRenderTransparents;
        bool mUseDepthPass;
        bool mRenderDepthPass;

        Pass *mDepthPass;
};

} // namespace Ogre

#endif // VisibilityOctreeSceneManager_H