[33] | 1 | #include "OgreOcclusionCullingTerrainSceneManager.h"
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| 2 | #include "OgreMath.h"
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| 3 | #include "OgreIteratorWrappers.h"
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| 4 | #include "OgreRenderSystem.h"
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| 5 | #include "OgreCamera.h"
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| 6 | #include "OgreHardwareOcclusionQuery.h"
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| 7 | #include "OgreSolidHalfBoundingBox.h"
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| 8 |
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[41] | 9 | #include <windows.h>
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[33] | 10 |
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| 11 | namespace Ogre {
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| 12 | //-----------------------------------------------------------------------
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| 13 | OcclusionCullingTerrainSceneManager::OcclusionCullingTerrainSceneManager()
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| 14 | {
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[48] | 15 | mOcclusionCullingOctreeSceneTraverser =
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| 16 | new OcclusionCullingOctreeSceneTraverser(this, mDestRenderSystem);
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[40] | 17 |
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[41] | 18 | //mDisplayNodes = true;
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[34] | 19 | //mShowBoundingBoxes = true;
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[51] | 20 | mShowBoxes = true;
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[44] | 21 | mMaxDepth = 20;
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[33] | 22 | }
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| 23 | //-----------------------------------------------------------------------
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| 24 | OcclusionCullingTerrainSceneManager::~OcclusionCullingTerrainSceneManager()
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| 25 | {
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[48] | 26 | delete mOcclusionCullingOctreeSceneTraverser;
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[33] | 27 | }
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| 28 | //-----------------------------------------------------------------------
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[40] | 29 | void OcclusionCullingTerrainSceneManager::_renderVisibleObjects(void)
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[33] | 30 | {
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[40] | 31 | //-- render background
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| 32 | clearSpecialCaseRenderQueues();
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| 33 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
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| 34 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
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| 35 |
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| 36 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
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| 37 | SceneManager::_renderVisibleObjects( );
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| 38 | _deleteRenderedQueueGroups();
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| 39 |
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| 40 | //-- render visible objects (i.e., all but overlay)
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| 41 | clearSpecialCaseRenderQueues();
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| 42 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
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| 43 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
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| 44 |
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[48] | 45 | mOcclusionCullingOctreeSceneTraverser->setSceneRoot(mOctree);
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| 46 | mOcclusionCullingOctreeSceneTraverser->renderScene(mCameraInProgress);
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[42] | 47 |
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[40] | 48 | _deleteRenderedQueueGroups();
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| 49 |
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| 50 | //-- render overlay
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| 51 | clearSpecialCaseRenderQueues();
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| 52 | SceneManager::_renderVisibleObjects( );
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| 53 |
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| 54 | clearSpecialCaseRenderQueues();
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[33] | 55 | }
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| 56 | //-----------------------------------------------------------------------
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| 57 | void OcclusionCullingTerrainSceneManager::_findVisibleObjects(Camera* cam, bool onlyShadowCasters)
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| 58 | {
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| 59 | // must be empty because objects are found and rendered in an interleaved fashion
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| 60 | // in _renderVisibibleObjects
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[42] | 61 | //char *msg = "now finding visible objects\n"; OutputDebugString(msg);
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[33] | 62 | }
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| 63 | //-----------------------------------------------------------------------
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| 64 | void OcclusionCullingTerrainSceneManager::_updateSceneGraph(Camera* cam)
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| 65 | {
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[42] | 66 | //char *msg = "now updating scenegraph\n"; OutputDebugString(msg);
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[44] | 67 | //mOcclusionCullingTerrainSceneTraverser->preprocess();
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| 68 |
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[48] | 69 | mOcclusionCullingOctreeSceneTraverser->setNumSceneNodes((int)mSceneNodes.size());
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| 70 | mOcclusionCullingOctreeSceneTraverser->setRenderSystem(mDestRenderSystem);
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[44] | 71 |
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[48] | 72 | mOcclusionCullingOctreeSceneTraverser->setNumOctreeNodes(mNumOctreeNodes);
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[33] | 73 |
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| 74 | TerrainSceneManager::_updateSceneGraph(cam);
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[40] | 75 | }
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[33] | 76 | //-----------------------------------------------------------------------
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| 77 | bool OcclusionCullingTerrainSceneManager::setOption( const String & key, const void * val )
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| 78 | {
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[48] | 79 | return mOcclusionCullingOctreeSceneTraverser->setOption( key, val) || TerrainSceneManager::setOption( key, val );
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[33] | 80 | }
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| 81 | //-----------------------------------------------------------------------
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| 82 | bool OcclusionCullingTerrainSceneManager::getOption( const String & key, void *val )
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| 83 | {
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[48] | 84 | return mOcclusionCullingOctreeSceneTraverser->getOption( key, val) || TerrainSceneManager::getOption( key, val ) ;
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[33] | 85 | }
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| 86 | //-----------------------------------------------------------------------
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| 87 | bool OcclusionCullingTerrainSceneManager::getOptionValues( const String & key, StringVector &refValueList )
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| 88 | {
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| 89 | return TerrainSceneManager::getOptionValues( key, refValueList );
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| 90 | }
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| 91 | //-----------------------------------------------------------------------
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| 92 | bool OcclusionCullingTerrainSceneManager::getOptionKeys( StringVector & refKeys )
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| 93 | {
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[48] | 94 | return mOcclusionCullingOctreeSceneTraverser->getOptionKeys ( refKeys ) || TerrainSceneManager::getOptionKeys( refKeys );
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[33] | 95 | }
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[40] | 96 | //-----------------------------------------------------------------------
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[42] | 97 | /*unsigned int OcclusionCullingTerrainSceneManager::countNumOctrees(Octree *root)
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[41] | 98 | {
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| 99 | unsigned int result = 1;
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| 100 |
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[42] | 101 | for(int i=0; i<8; ++i)
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[41] | 102 | {
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| 103 | Octree *nextChild = root->mChildren[(i & 4) >> 2][(i & 2) >> 1][i & 1];
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| 104 |
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| 105 | if(nextChild != 0)
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[42] | 106 | result += countNumOctrees(nextChild);
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[41] | 107 | }
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| 108 |
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| 109 | return result;
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[42] | 110 | }*/
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[33] | 111 | }
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