source: trunk/VUT/Ogre/include/OgrePlatformHierarchyInterface.h @ 112

Revision 112, 4.3 KB checked in by mattausch, 19 years ago (diff)
RevLine 
[59]1#ifndef _PlatformHierarchyInterface_H__
2#define _PlatformHierarchyInterface_H__
3
4#include <OgreSceneManager.h>
5#include <OgrePrerequisites.h>
6#include <OgreCamera.h>
7#include <OgreRenderSystem.h>
8
[92]9//#include "OgreSolidHalfBoundingBox.h"
10#include "OgreSolidBoundingBox.h"
[59]11#include "HierarchyInterface.h"
12#include "OgrePlatformOcclusionQuery.h"
13
[71]14/** This namespace contains the Ogre dependent classes.
15*/
[59]16namespace Ogre {
17
18/**     Class which implements a hierarchy interface for a specific type of hierarchy.
19        @remark also provides methods for using occlusion queries on the hierarchy nodes
20*/
21class PlatformHierarchyInterface: public GtpVisibility::HierarchyInterface
22{
23public:
24        /** Construction taking the current scene manager and the current rendersystem as argument
25                @param sm current scene manager
26                @param rsys current render system
27        */
28        PlatformHierarchyInterface(SceneManager *sm, RenderSystem *rsys);
29        ~PlatformHierarchyInterface();
30               
31        /** Returns next available occlusion query or creates new one.
32                @return the next occlusion query
33        */
34        GtpVisibility::OcclusionQuery *GetNextOcclusionQuery();
35               
[94]36        /** Sets the current camera used for the rendering.
[59]37                @param cam the current camera
38        */
39        void SetCamera(Camera *cam);
[94]40        /** Sets the current camera used for culling.
41                @param cam the current camera
42                @remark the default is the camera used for rendering
43        */
44        void SetCullCamera(Camera *cullCam);
[59]45        /** Initialises this scene traverser for the current frame.
[103]46                @remark This is a convenience method which resets the stats,
47                                sets the current camera, and initialises the distance queue.
48                @param root root of the hierarchy
49                @param cam the actual camera definding the view frustum
50                @param cullCam the camera used for culling.
51                @remark If null, the actual camera is used for both viewing and culling         
[59]52        */
[94]53        void InitFrame(GtpVisibility::HierarchyNode *root, Camera *cam, Camera *cullCam = NULL);
[59]54        /** Checks if the node is visible from the current view frustum.
55                @param node the current node
56                @param intersects returns true if the current node intersects the near plane
57        */
58        bool CheckFrustumVisible(GtpVisibility::HierarchyNode *node, bool &intersects);
59        /** Sets pointer to the current scene manager.
60                @param sm the scene manager
61        */
62        void SetSceneManager(SceneManager *sm);
[103]63        /** Sets pointer to the current render system .
[59]64                @param rsys the rendersystem
65        */
66        void SetRenderSystem(RenderSystem *rsys);
67        /** Returns pointer to bounding box of node.
68                @param node current hierarchy node
69                @returns bounding box of current node
70        */
71        virtual AxisAlignedBox *GetBoundingBox(GtpVisibility::HierarchyNode *node) = 0;
72        /** Issue a occlusion query for this node.
73                @param node the current hierarchy node
[86]74                @param wasVisible if the node was visible in the last frame
[59]75                @returns occlusion query for this node
76        */
[86]77        GtpVisibility::OcclusionQuery *IssueOcclusionQuery(
78                GtpVisibility::HierarchyNode *node, const bool wasVisible);
[59]79
[103]80        /** If true, the interface finds and renders only objects which are marked as shadow casters.
81                @remark This is important for the shadow texture pass
82        */
83        void SetOnlyShadowCasters(bool onlyShadowCasters);
[111]84        /** see set */
85        bool GetOnlyShadowCasters();
[103]86
[59]87protected:
[112]88        /** materials for visualizing frustum and query culled nodes */
89        void CreateCulledNodeMaterials();
90
[103]91        /** A pass that prepares an occlusion query.
92                @remark disables depth write, colour write, lighting,
93                vertex and fragment program.
94        */
95        void SetOcclusionPass();
96
[59]97        /** Deletes all occlusion queries.
98        */
99        void DeleteQueries();
100        /** Renders bounding box of specified node.
101                @param box the bounding box of the scene node to be rendered
102        */
103        void RenderBoundingBox(AxisAlignedBox *box);
[103]104
[92]105        /** Returns pointer to current renderable bounding box geometry
106        */
107        SolidBoundingBox *GetSolidBoundingBox();
[59]108
[103]109        /** Returns pointer to current renderable half bounding box geometry
[59]110        */
[103]111        //SolidHalfBoundingBox *GetSolidHalfBoundingBox();
112
113        /** Renderable of an aabb
114        */
[92]115        SolidBoundingBox *mSolidBoundingBox;
[59]116
117        SceneManager *mSceneManager;
118        RenderSystem *mRenderSystem;
119
120        Camera *mCamera;
[94]121        Camera *mCullCamera;
122
[59]123        AxisAlignedBox mBox;
[85]124       
[59]125        std::vector<PlatformOcclusionQuery *> mOcclusionQueries;
[103]126
127        bool mOnlyShadowCasters;
[59]128};
129
130} // namespace Ogre
131
132#endif // PlatformHierarchyInterface_H
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