[59] | 1 | #include "OgreVisibilityTerrainSceneManager.h"
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| 2 | #include "OgreOctreeHierarchyInterface.h"
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[74] | 3 | #include "OgreVisibilityOptionsManager.h"
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[59] | 4 | #include <OgreMath.h>
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| 5 | #include <OgreIteratorWrappers.h>
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| 6 | #include <OgreRenderSystem.h>
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| 7 | #include <OgreCamera.h>
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[93] | 8 | #include <OgreLogManager.h>
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[100] | 9 | #include <OgreStringConverter.h>
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[59] | 10 |
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[87] | 11 | #include <windows.h>
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[59] | 12 |
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| 13 | namespace Ogre {
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[87] | 14 |
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[59] | 15 | //-----------------------------------------------------------------------
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[86] | 16 | VisibilityTerrainSceneManager::VisibilityTerrainSceneManager(
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[87] | 17 | GtpVisibility::VisibilityManager *visManager)
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[103] | 18 | : mVisibilityManager(visManager),
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| 19 | mUseVisibilityCulling(true),
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| 20 | mShowVisualization(false),
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[112] | 21 | mRenderNodesForViz(false),
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| 22 | mVisualizeCulledNodes(false)
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[59] | 23 | {
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| 24 | mHierarchyInterface =
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| 25 | new OctreeHierarchyInterface(this, mDestRenderSystem);
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| 26 |
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| 27 | //mDisplayNodes = true;
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[85] | 28 | //mShowBoundingBoxes = true;
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[103] | 29 |
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| 30 | // TODO: set maxdepth to reasonable value
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[96] | 31 | mMaxDepth = 50;
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[59] | 32 | }
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| 33 | //-----------------------------------------------------------------------
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| 34 | VisibilityTerrainSceneManager::~VisibilityTerrainSceneManager()
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| 35 | {
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| 36 | delete mHierarchyInterface;
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| 37 | }
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| 38 | //-----------------------------------------------------------------------
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[103] | 39 | void VisibilityTerrainSceneManager::_findVisibleObjects(Camera* cam, bool onlyShadowCasters)
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[59] | 40 | {
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[103] | 41 | mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
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| 42 | // does nothing if hierarchical culling is used =>
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| 43 | // we interleave identification and rendering of objects
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| 44 | // in _renderVisibibleObjects
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| 45 | if (!mUseVisibilityCulling)
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| 46 | {
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| 47 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
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| 48 | return;
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| 49 | }
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| 50 |
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| 51 | //-- show visibile scene nodes and octree bounding boxes from last frame
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| 52 | if (mShowVisualization)
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| 53 | {
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| 54 | // add player camera for visualization purpose
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[107] | 55 | try {
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| 56 | Camera *c;
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| 57 | if ((c = getCamera("PlayerCam")) != NULL)
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| 58 | {
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| 59 | getRenderQueue()->addRenderable(c);
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| 60 | }
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| 61 | }
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| 62 | catch(...)
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| 63 | {
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| 64 | // ignore
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| 65 | }
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| 66 |
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[103] | 67 | for (NodeList::iterator it = mVisible.begin(); it != mVisible.end(); ++it)
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| 68 | {
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[112] | 69 | MaterialPtr mp = (*it)->getMaterial();
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| 70 |
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| 71 | mp.get()->setLightingEnabled(false);
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| 72 | mp.get()->setAmbient(ColourValue(1,0,0));
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| 73 | mp.get()->setDiffuse(ColourValue(1,1,1));
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| 74 | mp.get()->setSpecular(ColourValue(1,1,1));
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| 75 |
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| 76 | mp.get()->getTechnique(0)->getPass(0)->removeAllTextureUnitStates();
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| 77 | //*mp = MaterialManager::getSingleton().getByName("BaseWhiteNoLighting");
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| 78 | //(*it)->setMaterialName("BaseWhiteNoLighting");
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[103] | 79 | getRenderQueue()->addRenderable(*it);
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| 80 |
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| 81 | if (mRenderNodesForViz)
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| 82 | {
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| 83 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
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| 84 | }
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| 85 | }
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| 86 | for (BoxList::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it)
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| 87 | {
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| 88 | getRenderQueue()->addRenderable(*it);
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| 89 | }
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| 90 | }
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[96] | 91 |
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[103] | 92 | mVisible.clear();
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| 93 | mBoxes.clear();
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| 94 | }
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| 95 | //-----------------------------------------------------------------------
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| 96 | void VisibilityTerrainSceneManager::_renderVisibleObjects()
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| 97 | {
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| 98 | if (!mShowVisualization)
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| 99 | {
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| 100 | // two cameras (one for culling, one for rendering)
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| 101 | mHierarchyInterface->InitFrame(mOctree, mCameraInProgress,
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| 102 | mCullCamera ? getCamera("CullCamera") : NULL);
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| 103 |
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| 104 | // call initframe to reset culling manager stats
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[112] | 105 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
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[103] | 106 | }
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[112] | 107 |
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[101] | 108 | // standard terrain scenemanager rendering without hierarchical culling
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[103] | 109 | if (!mUseVisibilityCulling || mShowVisualization)
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[87] | 110 | {
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[101] | 111 | TerrainSceneManager::_renderVisibleObjects();
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[104] | 112 |
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[87] | 113 | return;
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| 114 | }
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| 115 |
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| 116 | //-- hierarchical culling
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| 117 | // the objects of different layers (e.g., background, scene,
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| 118 | // overlay) must be identified and rendered one after another
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| 119 |
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[59] | 120 | //-- render background
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| 121 | clearSpecialCaseRenderQueues();
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| 122 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
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| 123 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
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| 124 |
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| 125 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
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| 126 | SceneManager::_renderVisibleObjects();
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[100] | 127 |
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[59] | 128 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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| 129 | _deleteRenderedQueueGroups();
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| 130 | #endif
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| 131 |
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| 132 | //-- render visible objects (i.e., all but overlay)
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| 133 | clearSpecialCaseRenderQueues();
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| 134 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
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| 135 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
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| 136 |
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[100] | 137 |
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| 138 | /**
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| 139 | * the hierarchical culling algorithm
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| 140 | **/
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[74] | 141 | mVisibilityManager->ApplyVisibilityCulling();
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[59] | 142 |
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[100] | 143 |
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[59] | 144 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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| 145 | _deleteRenderedQueueGroups();
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| 146 | #endif
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| 147 |
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| 148 | //-- render overlay
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| 149 | clearSpecialCaseRenderQueues();
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[87] | 150 | SceneManager::_renderVisibleObjects();
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[99] | 151 |
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| 152 | //WriteLog(); // write out stats
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[59] | 153 | }
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| 154 | //-----------------------------------------------------------------------
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| 155 | void VisibilityTerrainSceneManager::_updateSceneGraph(Camera* cam)
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| 156 | {
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| 157 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
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| 158 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
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[74] | 159 |
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[59] | 160 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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| 161 | mHierarchyInterface->SetNumOctreeNodes(mNumOctreeNodes);
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| 162 | #endif
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| 163 | TerrainSceneManager::_updateSceneGraph(cam);
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| 164 | }
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| 165 | //-----------------------------------------------------------------------
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| 166 | bool VisibilityTerrainSceneManager::setOption(const String & key, const void * val)
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| 167 | {
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[99] | 168 | if (key == "UseVisibilityCulling")
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[87] | 169 | {
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[99] | 170 | mUseVisibilityCulling = (*static_cast<const bool *>(val));
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[87] | 171 | return true;
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| 172 | }
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[99] | 173 | if (key == "ShowVisualization")
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| 174 | {
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| 175 | mShowVisualization = (*static_cast<const bool *>(val));
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| 176 | return true;
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| 177 | }
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[103] | 178 | if (key == "RenderNodesForViz")
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| 179 | {
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| 180 | mRenderNodesForViz = (*static_cast<const bool *>(val));
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| 181 | return true;
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| 182 | }
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[100] | 183 | if (key == "SkyBoxEnabled")
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| 184 | {
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| 185 | mSkyBoxEnabled = (*static_cast<const bool *>(val));
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| 186 | return true;
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| 187 | }
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| 188 | if (key == "SkyPlaneEnabled")
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| 189 | {
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| 190 | mSkyPlaneEnabled = (*static_cast<const bool *>(val));
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| 191 | return true;
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| 192 | }
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| 193 | if (key == "SkyDomeEnabled")
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| 194 | {
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| 195 | mSkyDomeEnabled = (*static_cast<const bool *>(val));
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| 196 | return true;
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| 197 | }
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[112] | 198 | if (key == "VisualizeCulledNodes")
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| 199 | {
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| 200 | mVisualizeCulledNodes = (*static_cast<const bool *>(val));
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| 201 | return true;
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| 202 | }
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[74] | 203 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
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| 204 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
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[59] | 205 | }
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| 206 | //-----------------------------------------------------------------------
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| 207 | bool VisibilityTerrainSceneManager::getOption(const String & key, void *val)
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| 208 | {
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[74] | 209 | if (key == "NumHierarchyNodes")
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| 210 | {
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| 211 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctreeNodes;
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| 212 | return true;
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| 213 | }
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| 214 |
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| 215 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
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| 216 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
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[59] | 217 | }
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| 218 | //-----------------------------------------------------------------------
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[103] | 219 | bool VisibilityTerrainSceneManager::getOptionValues(const String & key, StringVector &refValueList)
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[59] | 220 | {
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[74] | 221 | return TerrainSceneManager::getOptionValues( key, refValueList);
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[59] | 222 | }
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| 223 | //-----------------------------------------------------------------------
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| 224 | bool VisibilityTerrainSceneManager::getOptionKeys(StringVector & refKeys)
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| 225 | {
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[74] | 226 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
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| 227 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
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[59] | 228 | }
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| 229 | //-----------------------------------------------------------------------
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| 230 | void VisibilityTerrainSceneManager::setVisibilityManager(GtpVisibility::VisibilityManager *visManager)
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| 231 | {
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| 232 | mVisibilityManager = visManager;
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| 233 | }
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| 234 | //-----------------------------------------------------------------------
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| 235 | GtpVisibility::VisibilityManager *VisibilityTerrainSceneManager::getVisibilityManager( void )
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| 236 | {
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| 237 | return mVisibilityManager;
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| 238 | }
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[103] | 239 |
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[93] | 240 | //-----------------------------------------------------------------------
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| 241 | void VisibilityTerrainSceneManager::WriteLog()
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| 242 | {
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| 243 | std::stringstream d;
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| 244 |
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| 245 | d << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
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[101] | 246 | << "Hierarchy nodes: " << mNumOctreeNodes << ", "
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| 247 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
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[93] | 248 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
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| 249 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
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| 250 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
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| 251 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << "\n";
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| 252 |
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| 253 | LogManager::getSingleton().logMessage(d.str());
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| 254 | }
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[103] | 255 |
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| 256 |
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[59] | 257 | } // namespace Ogre
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