source: trunk/VUT/Ogre/include/OgreOctreeHierarchyInterface.h @ 130

Revision 130, 2.6 KB checked in by mattausch, 19 years ago (diff)

added visibility queries

RevLine 
[59]1#ifndef _OctreeHierarchyInterface_H__
2#define _OctreeHierarchyInterface_H__
3
4#include <OgreOctree.h>
[130]5#include <OgreOctreeSceneManager.h>
6#include "OgreSceneNodeHierarchyInterface.h"
[59]7
8namespace Ogre {
9/**
10        This class implements the hierarchy interface for the Ogre octree hierarchy.
11*/
[130]12class OctreeHierarchyInterface : public SceneNodeHierarchyInterface
[59]13{
14public:
[130]15        OctreeHierarchyInterface(OctreeSceneManager *sm, RenderSystem *rsys);
[59]16       
17        /** Sets the number of nodes in this octree
18                @remark do not confuse this with the OctreeNode class which is derived from SceneNode
19                @param num number of nodes in the octree
20        */
21        void SetNumOctreeNodes(unsigned int num);
22
23        /** Gets the given option for the scene traverser.
24            @remarks
25                See setOption
26        */
27        //bool getOption( const String &, void * );
28        //bool getOptionKeys( StringVector &refKeys );
29        void PullUpVisibility(GtpVisibility::HierarchyNode *node);
30        /** Traverses given node.
31                @param node current node
32                @remark pushes children on distance queue
33        */
34        void TraverseNode(GtpVisibility::HierarchyNode *node);
35        void RenderNode(GtpVisibility::HierarchyNode *node);
[74]36        bool IsLeaf(GtpVisibility::HierarchyNode *node) const;
37        bool HasGeometry(GtpVisibility::HierarchyNode *node) const;
[87]38        float GetSquaredDistance(GtpVisibility::HierarchyNode *node) const;
[59]39       
40        void SetNodeVisible(GtpVisibility::HierarchyNode *node, const bool visible);
[74]41        void SetLastVisited(GtpVisibility::HierarchyNode *node, const unsigned int frameId);
[59]42
[74]43        bool IsNodeVisible(GtpVisibility::HierarchyNode *node) const;
44        unsigned int LastVisited(GtpVisibility::HierarchyNode *node) const;
[59]45
[112]46        void VisualizeCulledNode(GtpVisibility::HierarchyNode *node,
47                                                         GtpVisibility::CullingType type);
48
[130]49        /*bool FindVisibleObjects(GtpVisibility::HierarchyNode *node,   
50                                                        InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry,
51                                                        bool includeChildren = false);*/
52        void GetGeometry(GtpVisibility::HierarchyNode *node,
53                                         GtpVisibility::GeometryList *geometryList,
54                                         bool includeChildren);
55
[59]56protected:
57        /** Returns pointer to the bounding box of the node.
58                @param node current hierarchy node
59                @returns bounding box of current node
60        */
61        AxisAlignedBox *GetBoundingBox(GtpVisibility::HierarchyNode *node);
62        /** Returns squared distance of center of box with respect to the camera .
63                @param cam current camera
64                @param box axis aligned box
65        */
66        Real GetSquaredViewDepth(const Camera* cam, const AxisAlignedBox* box) const;
[130]67        /** number of octree hierarchy nodes */
[59]68        unsigned int mNumOctreeNodes;
69};
70} // namespace Ogre
71
72#endif // OctreeHierarchyInterface_H
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