[59] | 1 | #ifndef _VisibilityOctreeSceneManager_H__
|
---|
| 2 | #define _VisibilityOctreeSceneManager_H__
|
---|
| 3 |
|
---|
| 4 | #include <OgreSceneNode.h>
|
---|
| 5 | #include <OgreOctreeSceneManager.h>
|
---|
| 6 | #include <OgreOctreeNode.h>
|
---|
| 7 | #include <OgreOctreeCamera.h>
|
---|
| 8 | #include <OgrePrerequisites.h>
|
---|
| 9 |
|
---|
| 10 | #include "OgreOctreeHierarchyInterface.h"
|
---|
[865] | 11 | #include "OgrePlatformQueryManager.h"
|
---|
[59] | 12 | #include "VisibilityManager.h"
|
---|
[868] | 13 | #include "ViewCellsManager.h"
|
---|
[59] | 14 |
|
---|
[868] | 15 | //class GtpVisibilityPreprocessor::ViewCellsManager;
|
---|
[828] | 16 |
|
---|
[868] | 17 |
|
---|
[59] | 18 | namespace Ogre {
|
---|
| 19 |
|
---|
| 20 | /**
|
---|
| 21 | This class extends the octree scene manager, using
|
---|
| 22 | occlusion queries for visibility culling.
|
---|
| 23 | */
|
---|
[159] | 24 | class __declspec(dllexport) VisibilityOctreeSceneManager: public OctreeSceneManager
|
---|
[59] | 25 | {
|
---|
| 26 | public:
|
---|
| 27 | VisibilityOctreeSceneManager(GtpVisibility::VisibilityManager *visManager);
|
---|
| 28 | ~VisibilityOctreeSceneManager();
|
---|
| 29 |
|
---|
| 30 | void _renderVisibleObjects();
|
---|
| 31 | void _findVisibleObjects(Camera* cam, bool onlyShadowCasters);
|
---|
| 32 | void _updateSceneGraph(Camera* cam );
|
---|
| 33 |
|
---|
| 34 | /** Sets the given option for the SceneManager
|
---|
[118] | 35 | @remarks Options are: "Algorithm", int *;
|
---|
[59] | 36 | */
|
---|
[118] | 37 |
|
---|
[59] | 38 | virtual bool setOption(const String &, const void *);
|
---|
| 39 | /** Gets the given option for the Scene VisibilityManager.
|
---|
| 40 | @remarks
|
---|
| 41 | See setOption
|
---|
| 42 | */
|
---|
| 43 | virtual bool getOption(const String &, void *);
|
---|
| 44 |
|
---|
| 45 | bool getOptionValues(const String & key, StringVector &refValueList);
|
---|
| 46 | bool getOptionKeys(StringVector &refKeys);
|
---|
| 47 |
|
---|
| 48 | /** Sets the visibility manager.
|
---|
| 49 | @param visManager the visibility manager
|
---|
| 50 | */
|
---|
| 51 | void setVisibilityManager(GtpVisibility::VisibilityManager *visManager);
|
---|
| 52 | /** See set.
|
---|
| 53 | */
|
---|
[118] | 54 | GtpVisibility::VisibilityManager *getVisibilityManager();
|
---|
[115] | 55 |
|
---|
[114] | 56 | /** Render a set of objects, see renderSingleObject for param definitions
|
---|
| 57 | Override so we can handle delayed rendering of transparent objects
|
---|
| 58 | */
|
---|
| 59 | virtual void renderObjects(const RenderPriorityGroup::TransparentRenderablePassList& objs,
|
---|
| 60 | bool doLightIteration, const LightList* manualLightList = 0);
|
---|
[118] | 61 |
|
---|
| 62 | /** Writes out stats into the Ogre log file.
|
---|
| 63 | */
|
---|
| 64 | void WriteLog();
|
---|
| 65 |
|
---|
[159] | 66 | /** Override pass so we can do the z-fail pass.
|
---|
| 67 | */
|
---|
[118] | 68 | Pass* setPass(Pass* pass);
|
---|
| 69 |
|
---|
[159] | 70 | /** Override from SceneManager so we can skip all but first pass for depth pass.
|
---|
| 71 | */
|
---|
| 72 | bool validatePassForRendering(Pass* pass);
|
---|
[865] | 73 | /** This function renders renderables using false color ids.
|
---|
| 74 | */
|
---|
[159] | 75 | void RenderItemBuffer(RenderPriorityGroup* pGroup);
|
---|
[865] | 76 | /** Renders a single object using false color id.
|
---|
| 77 | */
|
---|
[159] | 78 | void RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass);
|
---|
[865] | 79 | /** Overritten from scene manager to include the false color id rendering of the
|
---|
| 80 | scene objects.
|
---|
| 81 | */
|
---|
[159] | 82 | void renderQueueGroupObjects(RenderQueueGroup* pGroup);
|
---|
| 83 |
|
---|
| 84 | /** Override from SceneManager so that sub entities can be assigned an id for item buffer.
|
---|
| 85 | */
|
---|
[865] | 86 | Entity* createEntity(const String& entityName, const String& meshName);
|
---|
[159] | 87 |
|
---|
| 88 | /** Returns pointer to visibility manager.
|
---|
| 89 | */
|
---|
| 90 | GtpVisibility::VisibilityManager *GetVisibilityManager();
|
---|
| 91 |
|
---|
| 92 | /** Returns hierarchy interface.
|
---|
| 93 | */
|
---|
| 94 | OctreeHierarchyInterface *GetHierarchyInterface();
|
---|
| 95 |
|
---|
[187] | 96 | void renderAdditiveStencilShadowedQueueGroupObjects(RenderQueueGroup* pGroup);
|
---|
[865] | 97 | /** Override this because we must handle shadows differently.
|
---|
| 98 | */
|
---|
[187] | 99 | void renderModulativeStencilShadowedQueueGroupObjects(RenderQueueGroup* pGroup);
|
---|
[159] | 100 |
|
---|
[254] | 101 | void loadVisibilityConfig(const String& filename);
|
---|
| 102 |
|
---|
[868] | 103 |
|
---|
| 104 | /** Loads view cells for this particular scene.
|
---|
| 105 | */
|
---|
| 106 | void LoadViewCells(std::string filename);
|
---|
| 107 |
|
---|
[59] | 108 | protected:
|
---|
[159] | 109 |
|
---|
| 110 | /** Creates material for depth pass, e.g., a pass that only fills the depth buffer.
|
---|
| 111 | */
|
---|
[119] | 112 | void InitDepthPass();
|
---|
[159] | 113 | /** Creates material for item buffer.
|
---|
| 114 | */
|
---|
| 115 | void InitItemBufferPass();
|
---|
| 116 | /** Fills render queue so that a visualization can be rendered.
|
---|
| 117 | */
|
---|
| 118 | void PrepareVisualization(Camera *cam);
|
---|
| 119 | /** Initialises necessary parameters for hierarchical visibility culling.
|
---|
| 120 | */
|
---|
| 121 | void InitVisibilityCulling(Camera *cam);
|
---|
[130] | 122 |
|
---|
[868] | 123 | /** Finds object corresponding to this bounding box in the scene.
|
---|
| 124 | */
|
---|
[870] | 125 | Entity *FindCorrespondingObject(const AxisAlignedBox &box);
|
---|
[863] | 126 |
|
---|
[868] | 127 | /** Identifies objects in the scene and gives them unique ids that
|
---|
| 128 | correspond to preprocessor ids.
|
---|
| 129 | */
|
---|
| 130 | void IdentifyObjects(GtpVisibilityPreprocessor::ObjectContainer &objects);
|
---|
[863] | 131 |
|
---|
[870] | 132 | /** Loads / unloads pvs of the view cell to set the visibility in the scene.
|
---|
| 133 | */
|
---|
| 134 | void applyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc, const bool load);
|
---|
| 135 |
|
---|
| 136 | /** updates pvs in current frame.
|
---|
| 137 | */
|
---|
| 138 | void updatePvs(Camera *cam);
|
---|
| 139 |
|
---|
| 140 | /** Sets all objects invisible.
|
---|
| 141 | */
|
---|
| 142 | void SetObjectsVisible(const bool visible);
|
---|
| 143 |
|
---|
[159] | 144 | /// the interface to the scene hierarchy.
|
---|
[59] | 145 | OctreeHierarchyInterface *mHierarchyInterface;
|
---|
[159] | 146 | /// manages all visibility options
|
---|
[59] | 147 | GtpVisibility::VisibilityManager *mVisibilityManager;
|
---|
[100] | 148 |
|
---|
[159] | 149 | /// if a visualization of the hierarchical culling is shown
|
---|
[100] | 150 | bool mShowVisualization;
|
---|
[159] | 151 |
|
---|
| 152 | /// if the culled nodes are indicated in the visualization
|
---|
[112] | 153 | bool mVisualizeCulledNodes;
|
---|
[113] | 154 |
|
---|
[159] | 155 | /// if symbols for the nodes are shown in the visualization
|
---|
[114] | 156 | bool mRenderNodesForViz;
|
---|
[159] | 157 | /// if content of the nodes is shown in the visualization
|
---|
[114] | 158 | bool mRenderNodesContentForViz;
|
---|
[159] | 159 |
|
---|
[865] | 160 | /// if we render transparents after the hierarchical traversal
|
---|
[115] | 161 | bool mDelayRenderTransparents;
|
---|
[159] | 162 |
|
---|
[865] | 163 | /// if we use a depth pass (i.e., fill only the depth buffer in the first pass)
|
---|
[115] | 164 | bool mUseDepthPass;
|
---|
[865] | 165 | /// if we currently rendering the depth pass
|
---|
[254] | 166 | bool mIsDepthPassPhase;
|
---|
[115] | 167 |
|
---|
[159] | 168 | /// if we use an item buffer for rendering (i.e., object ids as color codes
|
---|
| 169 | bool mUseItemBuffer;
|
---|
| 170 | /// if we currently render the item buffer
|
---|
[254] | 171 | bool mIsItemBufferPhase;
|
---|
[159] | 172 |
|
---|
| 173 | /// if depth write should be enabled
|
---|
| 174 | bool mEnableDepthWrite;
|
---|
| 175 | /// if transparents are skipped during rendering
|
---|
| 176 | bool mSkipTransparents;
|
---|
| 177 |
|
---|
| 178 | /// the depth pass (no lighting, just filling the depth buffer)
|
---|
[115] | 179 | Pass *mDepthPass;
|
---|
[159] | 180 | Pass *mItemBufferPass;
|
---|
| 181 |
|
---|
| 182 | int mCurrentEntityId;
|
---|
| 183 | /// flag for passes which should not be deleted from queue during first traversal
|
---|
| 184 | int mLeavePassesInQueue;
|
---|
[202] | 185 |
|
---|
[159] | 186 |
|
---|
| 187 | /// if transparent object are considered for item buffer visibility
|
---|
| 188 | bool mRenderTransparentsForItemBuffer;
|
---|
| 189 | /// Always execute the vertex program of a pass, e.g., for the depth pass or item buffer
|
---|
| 190 | bool mExecuteVertexProgramForAllPasses;
|
---|
[187] | 191 |
|
---|
[868] | 192 | /// if hierarchical culling is currently in use
|
---|
[187] | 193 | bool mIsHierarchicalCulling;
|
---|
[865] | 194 |
|
---|
[868] | 195 | bool mViewCellsLoaded;
|
---|
| 196 | GtpVisibilityPreprocessor::ViewCellsManager *mViewCellsManager;
|
---|
[870] | 197 |
|
---|
[880] | 198 | /// Used to assign Ogre meshes to view cell entries.
|
---|
[870] | 199 | GtpVisibilityPreprocessor::ObjectContainer mObjects;
|
---|
| 200 |
|
---|
[880] | 201 | GtpVisibilityPreprocessor::ViewCell *mElementaryViewCell;
|
---|
[870] | 202 | GtpVisibilityPreprocessor::ViewCell *mCurrentViewCell;
|
---|
| 203 |
|
---|
[880] | 204 | /// If view cells are used.
|
---|
[870] | 205 | bool mUseViewCells;
|
---|
[880] | 206 |
|
---|
| 207 | /// if the view cells are filtered
|
---|
| 208 | bool mUseVisibilityFilter;
|
---|
[59] | 209 | };
|
---|
| 210 |
|
---|
| 211 | } // namespace Ogre
|
---|
| 212 |
|
---|
| 213 | #endif // VisibilityOctreeSceneManager_H |
---|