source: trunk/VUT/Ogre/include/OgreVisibilityTerrainSceneManager.h @ 155

Revision 155, 3.6 KB checked in by mattausch, 19 years ago (diff)

added node traversal interface
Line 
1#ifndef _VisibilityTerrainSceneManager_H__
2#define _VisibilityTerrainSceneManager_H__
3
4#include <OgreSceneNode.h>
5#include <OgreTerrainSceneManager.h>
6#include <OgreOctreeNode.h>
7#include <OgreOctreeCamera.h>
8#include <OgrePrerequisites.h>
9
10#include "OgreOctreeHierarchyInterface.h"
11#include "OgrePlatformQueryManager.h"
12#include "VisibilityManager.h"
13
14namespace Ogre {
15
16/**
17        This class extends the terrain scene manager,
18        using occlusion queries for visibility culling.
19*/
20class __declspec(dllexport) VisibilityTerrainSceneManager: public TerrainSceneManager
21{
22public:
23        VisibilityTerrainSceneManager(GtpVisibility::VisibilityManager *visManager);
24        ~VisibilityTerrainSceneManager();
25
26        void _renderVisibleObjects();
27        void _findVisibleObjects(Camera* cam, bool onlyShadowCasters);
28        void _updateSceneGraph(Camera* cam);
29
30        /** Sets the given option for the SceneManager
31                @remarks Options are: "Algorithm", int *;                       
32        */
33       
34        virtual bool setOption( const String &, const void * );
35        /** Gets the given option for the Scene VisibilityManager.
36            @remarks
37                See setOption
38        */
39        virtual bool getOption( const String &, void * );
40
41        bool getOptionValues( const String & key, StringVector &refValueList );
42        bool getOptionKeys( StringVector &refKeys );
43
44        /** Sets the visibility manager.
45                @param visManager the visibility manager
46        */
47        void setVisibilityManager(GtpVisibility::VisibilityManager *visManager);
48        /** See set.
49        */
50        GtpVisibility::VisibilityManager *getVisibilityManager();
51
52        /** Render a set of objects, see renderSingleObject for param definitions
53                Override so we can handle delayed rendering of transparent objects
54        */
55        virtual void renderObjects(const RenderPriorityGroup::TransparentRenderablePassList& objs,
56            bool doLightIteration, const LightList* manualLightList = 0);
57
58        /** Writes out stats into the Ogre log file.
59        */
60        void WriteLog();
61
62        /** Override pass so we can do the z-fail pass.
63        */
64        Pass* setPass(Pass* pass);
65
66        /** Override from SceneManager so we can skip all but first pass for depth pass.
67        */
68        bool validatePassForRendering(Pass* pass);
69
70        void RenderItemBuffer(RenderPriorityGroup* pGroup);
71        void RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass);
72        void renderQueueGroupObjects(RenderQueueGroup* pGroup);
73
74        /** Override from SceneManager so that sub entities can be assigned an id for item buffer.
75        */
76        Entity* createEntity(const String& entityName, const String& meshName);
77
78        /** Returns pointer to visibility manager.
79        */
80        GtpVisibility::VisibilityManager *GetVisibilityManager();
81
82        /** Returns hierarchy interface.
83        */
84        OctreeHierarchyInterface *GetHierarchyInterface();
85
86protected:
87       
88        /** Creates material for depth pass, e.g., a pass that only fills the depth buffer.
89        */
90        void InitDepthPass();
91        /** Creates material for item buffer.
92        */
93        void InitItemBufferPass();
94        /** Fills render queue so that a visualization can be rendered.
95        */
96        void PrepareVisualization(Camera *cam);
97       
98        void InitVisibilityCulling(Camera *cam);
99
100
101        OctreeHierarchyInterface *mHierarchyInterface;
102        GtpVisibility::VisibilityManager *mVisibilityManager;
103
104        bool mShowVisualization;
105        bool mVisualizeCulledNodes;
106
107        bool mRenderNodesForViz;
108        bool mRenderNodesContentForViz;
109        bool mDelayRenderTransparents;
110        bool mUseDepthPass;
111        bool mRenderDepthPass;
112        bool mRenderItemBuffer;
113        bool mUseItemBuffer;
114        bool mEnableDepthWrite;
115        bool mSkipTransparents;
116
117        Pass *mDepthPass;
118        Pass *mItemBufferPass;
119
120        int mCurrentEntityId;
121
122        int mLeavePassesInQueue;
123        ShadowTechnique mSavedShadowTechnique;
124
125        bool mRenderOnlyBoundingBoxes;
126};
127
128} // namespace Ogre
129
130#endif // CullingTerrainSceneManager_H
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