source: GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreSceneNodeHierarchyInterface.h @ 2292

#ifndef _SceneNodeHierarchyInterface_H__
#define _SceneNodeHierarchyInterface_H__

#include "OgrePlatformHierarchyInterface.h"
#include "VisibilityInfo.h"
#include "QueryManager.h"


namespace Ogre {

/**
        This class implements the hierarchy interface for the Ogre scene node hierarchy.
*/
class SceneNodeHierarchyInterface: public PlatformHierarchyInterface
{
public:
        /** Construction taking the current scene manager and the current 
                rendersystem as argument
                @param sm current scene manager
                @param rsys current render system 
        */
        SceneNodeHierarchyInterface(SceneManager *sm, RenderSystem *rsys);
        
        bool IsLeaf(GtpVisibility::HierarchyNode *node) const;
        
        void TraverseNode(GtpVisibility::HierarchyNode *node);
        void RenderNode(GtpVisibility::HierarchyNode *node);
        void PullUpVisibility(GtpVisibility::HierarchyNode *node) const;
        bool HasGeometry(GtpVisibility::HierarchyNode *node) const;
        float GetSquaredDistance(GtpVisibility::HierarchyNode *node) const;

        void SetNodeVisible(GtpVisibility::HierarchyNode *node, const bool visible) const;
        void SetLastVisited(GtpVisibility::HierarchyNode *node, 
                                                const unsigned int frameId) const;

        bool IsNodeVisible(GtpVisibility::HierarchyNode *node) const;
        unsigned int LastVisited(GtpVisibility::HierarchyNode *node) const;

        AxisAlignedBox *GetBoundingBox(GtpVisibility::HierarchyNode *node);

        void VisualizeCulledNode(GtpVisibility::HierarchyNode *node, 
                                                        GtpVisibility::CullingType type) const;
        
        void GetNodeGeometryList(GtpVisibility::HierarchyNode *node,    
                                                         GeometryVector *geometryList, 
                                                         bool includeChildren);

        void DetermineFullVisibility(GtpVisibility::HierarchyNode *node) const {}

        GtpVisibility::HierarchyNode *GetRandomLeaf(GtpVisibility::HierarchyNode *root) { return NULL;}

        bool IsNodeFullyVisible(GtpVisibility::HierarchyNode *node) const { return false;}

        void CollectLeaves(GtpVisibility::HierarchyNode *root, GtpVisibility::HierarchyNodeContainer &nodes) {};
};

} // namespace Ogre
#endif // SceneNodeHierarchyInterface_H