[720] | 1 | #include "OgreOcclusionCullingSceneManager.h"
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[675] | 2 | #include "OgreVisibilityOptionsManager.h"
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| 3 | #include <OgreMath.h>
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| 4 | #include <OgreIteratorWrappers.h>
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| 5 | #include <OgreRenderSystem.h>
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| 6 | #include <OgreCamera.h>
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| 7 | #include <OgreLogManager.h>
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| 8 | #include <OgreStringConverter.h>
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| 9 | #include <OgreEntity.h>
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| 10 | #include <OgreSubEntity.h>
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[897] | 11 | #include <OgreMaterialManager.h>
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[863] | 12 | #include <OgreIteratorWrappers.h>
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[925] | 13 | #include <OgreHeightmapTerrainPageSource.h>
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[828] | 14 | #include "VspBspTree.h"
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[863] | 15 | #include "Containers.h"
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| 16 | #include "ViewCellsManager.h"
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[903] | 17 | #include <OgreConfigFile.h>
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| 18 | #include "OgreTypeConverter.h"
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| 19 | #include "OgreMeshInstance.h"
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| 20 | #include "common.h"
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[931] | 21 | #include "OgreBoundingBoxConverter.h"
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[675] | 22 |
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[868] | 23 | // normal terrain rendering
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| 24 | const static NORMAL_RENDER_HACK = false;
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| 25 |
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[675] | 26 | namespace Ogre {
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| 27 |
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| 28 | //-----------------------------------------------------------------------
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[897] | 29 | OcclusionCullingSceneManager::OcclusionCullingSceneManager(const String& name,
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| 30 | GtpVisibility::VisibilityManager *visManager):
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| 31 | TerrainSceneManager(name),
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[675] | 32 | mVisibilityManager(visManager),
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| 33 | mShowVisualization(false),
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| 34 | mRenderNodesForViz(false),
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| 35 | mRenderNodesContentForViz(false),
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| 36 | mVisualizeCulledNodes(false),
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| 37 | mLeavePassesInQueue(0),
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| 38 | mDelayRenderTransparents(true),
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| 39 | mUseDepthPass(false),
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| 40 | mIsDepthPassPhase(false),
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| 41 | mUseItemBuffer(false),
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[897] | 42 | //mUseItemBuffer(true),
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[675] | 43 | mIsItemBufferPhase(false),
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| 44 | mCurrentEntityId(1),
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| 45 | mEnableDepthWrite(true),
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| 46 | mSkipTransparents(false),
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| 47 | mRenderTransparentsForItemBuffer(true),
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[925] | 48 | //mExecuteVertexProgramForAllPasses(true),
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| 49 | mExecuteVertexProgramForAllPasses(false),
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[903] | 50 | mIsHierarchicalCulling(false),
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| 51 | mViewCellsLoaded(false),
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| 52 | mUseViewCells(false),
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| 53 | mUseVisibilityFilter(false),
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| 54 | mCurrentViewCell(NULL),
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| 55 | mElementaryViewCell(NULL)
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[675] | 56 | {
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| 57 | mHierarchyInterface = new OctreeHierarchyInterface(this, mDestRenderSystem);
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| 58 |
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[868] | 59 | if (0)
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| 60 | {
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[925] | 61 | mDisplayNodes = true;
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| 62 | mShowBoundingBoxes = true;
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| 63 | mShowBoxes = true;
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[868] | 64 | }
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| 65 |
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[675] | 66 | // TODO: set maxdepth to reasonable value
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| 67 | mMaxDepth = 50;
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| 68 | }
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| 69 | //-----------------------------------------------------------------------
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[720] | 70 | void OcclusionCullingSceneManager::InitDepthPass()
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[675] | 71 | {
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| 72 | MaterialPtr depthMat = MaterialManager::getSingleton().getByName("Visibility/DepthPass");
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| 73 |
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| 74 | if (depthMat.isNull())
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| 75 | {
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| 76 | depthMat = MaterialManager::getSingleton().create(
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| 77 | "Visibility/DepthPass",
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| 78 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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| 79 |
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| 80 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
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| 81 | mDepthPass->setColourWriteEnabled(false);
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| 82 | mDepthPass->setDepthWriteEnabled(true);
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| 83 | mDepthPass->setLightingEnabled(false);
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| 84 | }
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| 85 | else
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| 86 | {
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| 87 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
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| 88 | }
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| 89 | }
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| 90 | //-----------------------------------------------------------------------
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[720] | 91 | OcclusionCullingSceneManager::~OcclusionCullingSceneManager()
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[675] | 92 | {
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| 93 | OGRE_DELETE(mHierarchyInterface);
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[903] | 94 | CLEAR_CONTAINER(mObjects);
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| 95 | OGRE_DELETE(mCurrentViewCell);
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[675] | 96 | }
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| 97 | //-----------------------------------------------------------------------
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[720] | 98 | void OcclusionCullingSceneManager::InitItemBufferPass()
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[675] | 99 | {
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| 100 | MaterialPtr itemBufferMat = MaterialManager::getSingleton().
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| 101 | getByName("Visibility/ItemBufferPass");
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| 102 |
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| 103 | if (itemBufferMat.isNull())
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| 104 | {
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| 105 | // Init
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| 106 | itemBufferMat = MaterialManager::getSingleton().create("Visibility/ItemBufferPass",
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| 107 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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| 108 |
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| 109 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
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| 110 | mItemBufferPass->setColourWriteEnabled(true);
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| 111 | mItemBufferPass->setDepthWriteEnabled(true);
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| 112 | mItemBufferPass->setLightingEnabled(true);
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| 113 | //mItemBufferPass->setLightingEnabled(false);
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| 114 | }
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| 115 | else
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| 116 | {
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| 117 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
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| 118 | }
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| 119 | //mItemBufferPass->setAmbient(1, 1, 0);
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| 120 | }
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[897] | 121 | //-------------------------------------------------------------------------
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[925] | 122 | #if 1
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[897] | 123 | void OcclusionCullingSceneManager::setWorldGeometry( DataStreamPtr& stream, const String& typeName )
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| 124 | {
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| 125 | // Clear out any existing world resources (if not default)
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| 126 | if (ResourceGroupManager::getSingleton().getWorldResourceGroupName() !=
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| 127 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME)
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| 128 | {
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| 129 | ResourceGroupManager::getSingleton().clearResourceGroup(
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| 130 | ResourceGroupManager::getSingleton().getWorldResourceGroupName());
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| 131 | }
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| 132 | destroyLevelIndexes();
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| 133 | mTerrainPages.clear();
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| 134 | // Load the configuration
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[938] | 135 | loadConfig(stream);
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[897] | 136 | initLevelIndexes();
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| 137 |
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| 138 | // Resize the octree, allow for 1 page for now
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| 139 | float max_x = mOptions.scale.x * mOptions.pageSize;
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| 140 | float max_y = mOptions.scale.y;
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| 141 | float max_z = mOptions.scale.z * mOptions.pageSize;
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| 142 |
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| 143 | float maxAxis = std::max(max_x, max_y);
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| 144 | maxAxis = std::max(maxAxis, max_z);
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| 145 | resize( AxisAlignedBox( 0, 0, 0, maxAxis, maxAxis, maxAxis ) );
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| 146 |
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| 147 | setupTerrainMaterial();
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| 148 |
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| 149 | setupTerrainPages();
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| 150 |
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| 151 | }
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[925] | 152 | #endif
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[675] | 153 | //-----------------------------------------------------------------------
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[720] | 154 | void OcclusionCullingSceneManager::PrepareVisualization(Camera *cam)
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[675] | 155 | {
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| 156 | // add player camera for visualization purpose
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| 157 | try
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| 158 | {
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| 159 | Camera *c;
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| 160 | if ((c = getCamera("PlayerCam")) != NULL)
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| 161 | {
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| 162 | getRenderQueue()->addRenderable(c);
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| 163 | }
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| 164 | }
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| 165 | catch (...)
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| 166 | {
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| 167 | // ignore
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| 168 | }
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[868] | 169 | // add bounding boxes of rendered objects
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[944] | 170 | if (0)
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[675] | 171 | for (BoxList::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it)
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| 172 | {
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| 173 | getRenderQueue()->addRenderable(*it);
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| 174 | }
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[868] | 175 |
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[675] | 176 | if (mRenderNodesForViz || mRenderNodesContentForViz)
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| 177 | {
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| 178 | // HACK: change node material so it is better suited for visualization
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| 179 | MaterialPtr nodeMat = MaterialManager::getSingleton().getByName("Core/NodeMaterial");
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| 180 | nodeMat->setAmbient(1, 1, 0);
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| 181 | nodeMat->setLightingEnabled(true);
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| 182 | nodeMat->getTechnique(0)->getPass(0)->removeAllTextureUnitStates();
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| 183 |
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| 184 | for (NodeList::iterator it = mVisible.begin(); it != mVisible.end(); ++it)
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| 185 | {
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| 186 | if (mRenderNodesForViz)
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| 187 | {
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| 188 | // render the leaf nodes
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[925] | 189 | if ((*it)->numAttachedObjects() &&
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| 190 | !(*it)->numChildren() &&
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| 191 | ((*it)->getAttachedObject(0)->getMovableType() == "Entity") &&
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| 192 | (*it)->getAttachedObject(0)->isVisible())
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[675] | 193 | {
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| 194 | getRenderQueue()->addRenderable((*it));
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| 195 | }
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| 196 |
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| 197 | // addbounding boxes instead of node itself
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| 198 | //(*it)->_addBoundingBoxToQueue(getRenderQueue());
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| 199 | }
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[903] | 200 | // add renderables itself
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[675] | 201 | if (mRenderNodesContentForViz)
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| 202 | {
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| 203 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
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| 204 | }
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| 205 | }
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| 206 | }
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| 207 | }
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| 208 | //-----------------------------------------------------------------------
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[1232] | 209 | const Pass *OcclusionCullingSceneManager::_setPass(const Pass* pass, bool evenIfSuppressed)
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[675] | 210 | {
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[868] | 211 | if (NORMAL_RENDER_HACK)
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| 212 | {
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[897] | 213 | return SceneManager::_setPass(pass);
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[868] | 214 | }
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| 215 |
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[675] | 216 | // TODO: setting vertex program is not efficient
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| 217 | //Pass *usedPass = ((mIsDepthPassPhase && !pass->hasVertexProgram()) ? mDepthPass : pass);
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| 218 |
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| 219 | // set depth fill pass if we currently do not make an aabb occlusion query
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[868] | 220 | const bool useDepthPass =
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| 221 | (mIsDepthPassPhase && !mHierarchyInterface->IsBoundingBoxQuery());
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| 222 |
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[925] | 223 | const IlluminationRenderStage savedStage = mIlluminationStage;
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[675] | 224 |
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| 225 | // set illumination stage to NONE so no shadow material is used
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| 226 | // for depth pass or for occlusion query
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| 227 | if (mIsDepthPassPhase || mHierarchyInterface->IsBoundingBoxQuery())
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| 228 | {
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| 229 | mIlluminationStage = IRS_NONE;
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| 230 | }
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| 231 |
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| 232 | // --- set vertex program of current pass in order to set correct depth
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[868] | 233 | if (mExecuteVertexProgramForAllPasses &&
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| 234 | mIsDepthPassPhase &&
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| 235 | pass->hasVertexProgram())
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[675] | 236 | {
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| 237 | // add vertex program of current pass to depth pass
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| 238 | mDepthPass->setVertexProgram(pass->getVertexProgramName());
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| 239 |
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| 240 | if (mDepthPass->hasVertexProgram())
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| 241 | {
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| 242 | const GpuProgramPtr& prg = mDepthPass->getVertexProgram();
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| 243 | // Load this program if not done already
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| 244 | if (!prg->isLoaded())
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| 245 | prg->load();
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| 246 | // Copy params
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| 247 | mDepthPass->setVertexProgramParameters(pass->getVertexProgramParameters());
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| 248 | }
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| 249 | }
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[868] | 250 | else if (mDepthPass->hasVertexProgram()) // reset vertex program
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[675] | 251 | {
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| 252 | mDepthPass->setVertexProgram("");
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| 253 | }
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| 254 |
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[1232] | 255 | const Pass *usedPass = useDepthPass ? mDepthPass : pass;
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| 256 |
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[868] | 257 | // save old depth write: needed for item buffer
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| 258 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
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[675] | 259 |
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| 260 | // global option which enables / disables depth writes
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| 261 | if (!mEnableDepthWrite)
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| 262 | {
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[1232] | 263 | //usedPass->setDepthWriteEnabled(false);
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[675] | 264 | }
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| 265 | //else if (mIsItemBufferPass) {usedPass = mItemBufferPass;}
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| 266 |
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[868] | 267 |
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| 268 | //-- set actual pass here
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[897] | 269 | const Pass *result = SceneManager::_setPass(usedPass);
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[675] | 270 |
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[868] | 271 |
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[675] | 272 | // reset depth write
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| 273 | if (!mEnableDepthWrite)
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| 274 | {
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[1232] | 275 | //usedPass->setDepthWriteEnabled(IsDepthWrite);
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[675] | 276 | }
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| 277 |
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| 278 | // reset illumination stage
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| 279 | mIlluminationStage = savedStage;
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| 280 |
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| 281 | return result;
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| 282 | }
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| 283 | //-----------------------------------------------------------------------
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[897] | 284 | void OcclusionCullingSceneManager::_findVisibleObjects(Camera* cam,
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| 285 | bool onlyShadowCasters)
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[675] | 286 | {
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[868] | 287 | if (NORMAL_RENDER_HACK)
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| 288 | {
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| 289 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
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| 290 | return;
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| 291 | }
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| 292 |
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[903] | 293 |
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[675] | 294 | //-- show visible scene nodes and octree bounding boxes from last frame
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| 295 | if (mShowVisualization)
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| 296 | {
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| 297 | PrepareVisualization(cam);
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| 298 | }
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| 299 | else
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| 300 | {
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| 301 | // for hierarchical culling, we interleave identification
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| 302 | // and rendering of objects in _renderVisibibleObjects
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| 303 |
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| 304 | // for the shadow pass we use only standard rendering
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| 305 | // because of low occlusion
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| 306 | if (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
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| 307 | mIlluminationStage == IRS_RENDER_TO_TEXTURE)
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| 308 | {
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[868] | 309 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
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[675] | 310 | }
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[903] | 311 |
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[675] | 312 | // only shadow casters will be rendered in shadow texture pass
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[868] | 313 | if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
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[903] | 314 |
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| 315 |
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| 316 | //-- apply view cell pvs
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| 317 | updatePvs(cam);
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[675] | 318 | }
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| 319 |
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| 320 |
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| 321 | // -- delete lists stored for visualization
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| 322 | mVisible.clear();
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| 323 | mBoxes.clear();
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| 324 | }
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| 325 | //-----------------------------------------------------------------------
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[720] | 326 | void OcclusionCullingSceneManager::_renderVisibleObjects()
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[675] | 327 | {
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[868] | 328 | if (NORMAL_RENDER_HACK)
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| 329 | {
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| 330 | OctreeSceneManager::_renderVisibleObjects();
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[675] | 331 |
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[868] | 332 | return;
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| 333 | }
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| 334 |
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[675] | 335 | InitDepthPass(); // create material for depth pass
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| 336 | InitItemBufferPass(); // create material for item buffer pass
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| 337 |
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| 338 | // save ambient light to reset later
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| 339 | ColourValue savedAmbient = mAmbientLight;
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| 340 |
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| 341 | //-- apply standard rendering for some modes (e.g., visualization, shadow pass)
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| 342 |
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| 343 | if (mShowVisualization ||
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| 344 | (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
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| 345 | mIlluminationStage == IRS_RENDER_TO_TEXTURE))
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| 346 | {
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| 347 | IlluminationRenderStage savedStage = mIlluminationStage;
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| 348 |
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| 349 | if (mShowVisualization)
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[868] | 350 | {
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[675] | 351 | // disable illumination stage to prevent rendering shadows
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| 352 | mIlluminationStage = IRS_NONE;
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[868] | 353 | }
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[675] | 354 |
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| 355 | // standard rendering for shadow maps because of performance
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| 356 | TerrainSceneManager::_renderVisibleObjects();
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| 357 |
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| 358 | mIlluminationStage = savedStage;
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| 359 | }
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| 360 | else //-- the hierarchical culling algorithm
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| 361 | {
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[868] | 362 | // this is also called in TerrainSceneManager: really
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| 363 | // nexessary?
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| 364 | mDestRenderSystem -> setLightingEnabled(false);
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| 365 |
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[675] | 366 | // don't render backgrounds for item buffer
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| 367 | if (mUseItemBuffer)
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| 368 | {
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| 369 | clearSpecialCaseRenderQueues();
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| 370 | getRenderQueue()->clear();
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| 371 | }
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| 372 |
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| 373 | //-- hierarchical culling
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| 374 | // the objects of different layers (e.g., background, scene,
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| 375 | // overlay) must be identified and rendered one after another
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| 376 |
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| 377 | //-- render all early skies
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| 378 | clearSpecialCaseRenderQueues();
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| 379 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
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| 380 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
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| 381 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
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| 382 |
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| 383 | TerrainSceneManager::_renderVisibleObjects();
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| 384 |
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| 385 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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| 386 | // delete previously rendered content
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| 387 | _deleteRenderedQueueGroups();
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| 388 | #endif
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| 389 |
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| 390 | //-- prepare queue for visible objects (i.e., all but overlay and skies late)
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| 391 | clearSpecialCaseRenderQueues();
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| 392 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_LATE);
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| 393 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
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[897] | 394 |
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[675] | 395 | // exclude this queues from hierarchical rendering
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| 396 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
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| 397 |
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[903] | 398 |
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[675] | 399 | // set all necessary parameters for
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| 400 | // hierarchical visibility culling and rendering
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| 401 | InitVisibilityCulling(mCameraInProgress);
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| 402 |
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[897] | 403 |
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[675] | 404 | /**
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| 405 | * the hierarchical culling algorithm
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| 406 | * for depth pass: we just find objects and update depth buffer
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| 407 | * for "delayed" rendering: we render some passes afterwards
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| 408 | * e.g., transparents, because they need front-to-back sorting
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| 409 | **/
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| 410 |
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| 411 | mVisibilityManager->ApplyVisibilityCulling();
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| 412 |
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[868] | 413 | // delete remaining renderables from queue:
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| 414 | // all which are not in mLeavePassesInQueue)
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[675] | 415 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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| 416 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
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| 417 | #endif
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| 418 |
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| 419 | //-- reset parameters
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| 420 | mIsDepthPassPhase = false;
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| 421 | mIsItemBufferPhase = false;
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| 422 | mSkipTransparents = false;
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[868] | 423 | mIsHierarchicalCulling = false;
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| 424 |
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[675] | 425 | mLeavePassesInQueue = 0;
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[897] | 426 |
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[868] | 427 | #if 1
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[675] | 428 | // add visible nodes found by the visibility culling algorithm
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| 429 | if (mUseDepthPass)
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| 430 | {
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[868] | 431 | NodeList::const_iterator it, it_end = mVisible.end();
|
---|
| 432 |
|
---|
| 433 | //getRenderQueue()->clear();
|
---|
| 434 | for (it = mVisible.begin(); it != it_end; ++ it)
|
---|
[675] | 435 | {
|
---|
| 436 | (*it)->_addToRenderQueue(mCameraInProgress, getRenderQueue(), false);
|
---|
| 437 | }
|
---|
| 438 | }
|
---|
[868] | 439 | #endif
|
---|
[675] | 440 | //-- now we can render all remaining queue objects
|
---|
[868] | 441 | //-- used for depth pass, transparents, overlay
|
---|
[675] | 442 | clearSpecialCaseRenderQueues();
|
---|
| 443 |
|
---|
| 444 | TerrainSceneManager::_renderVisibleObjects();
|
---|
[868] | 445 | } // hierarchical culling
|
---|
[675] | 446 |
|
---|
| 447 | // HACK: set the new render level index, important to avoid cracks
|
---|
| 448 | // in terrain caused by LOD
|
---|
| 449 | TerrainRenderable::NextRenderLevelIndex();
|
---|
| 450 |
|
---|
| 451 | // reset ambient light
|
---|
| 452 | setAmbientLight(savedAmbient);
|
---|
| 453 |
|
---|
| 454 | getRenderQueue()->clear(); // finally clear render queue
|
---|
[1220] | 455 | if (1) OGRE_DELETE(mRenderQueue); // HACK: should rather only be cleared ...
|
---|
[868] | 456 | if (0) WriteLog(); // write out stats
|
---|
[675] | 457 | }
|
---|
| 458 |
|
---|
| 459 | //-----------------------------------------------------------------------
|
---|
[720] | 460 | void OcclusionCullingSceneManager::_updateSceneGraph(Camera* cam)
|
---|
[675] | 461 | {
|
---|
[868] | 462 | if (NORMAL_RENDER_HACK)
|
---|
| 463 | {
|
---|
| 464 | OctreeSceneManager::_updateSceneGraph(cam);
|
---|
| 465 | return;
|
---|
| 466 | }
|
---|
| 467 |
|
---|
[675] | 468 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
|
---|
| 469 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
|
---|
| 470 |
|
---|
| 471 | TerrainSceneManager::_updateSceneGraph(cam);
|
---|
| 472 | }
|
---|
| 473 | //-----------------------------------------------------------------------
|
---|
[720] | 474 | bool OcclusionCullingSceneManager::setOption(const String & key, const void * val)
|
---|
[675] | 475 | {
|
---|
| 476 | if (key == "UseDepthPass")
|
---|
| 477 | {
|
---|
| 478 | mUseDepthPass = (*static_cast<const bool *>(val));
|
---|
| 479 | return true;
|
---|
| 480 | }
|
---|
| 481 | if (key == "PrepareVisualization")
|
---|
| 482 | {
|
---|
| 483 | mShowVisualization = (*static_cast<const bool *>(val));
|
---|
| 484 | return true;
|
---|
| 485 | }
|
---|
| 486 | if (key == "RenderNodesForViz")
|
---|
| 487 | {
|
---|
| 488 | mRenderNodesForViz = (*static_cast<const bool *>(val));
|
---|
| 489 | return true;
|
---|
| 490 | }
|
---|
| 491 | if (key == "RenderNodesContentForViz")
|
---|
| 492 | {
|
---|
| 493 | mRenderNodesContentForViz = (*static_cast<const bool *>(val));
|
---|
| 494 | return true;
|
---|
| 495 | }
|
---|
| 496 | if (key == "SkyBoxEnabled")
|
---|
| 497 | {
|
---|
| 498 | mSkyBoxEnabled = (*static_cast<const bool *>(val));
|
---|
| 499 | return true;
|
---|
| 500 | }
|
---|
| 501 | if (key == "SkyPlaneEnabled")
|
---|
| 502 | {
|
---|
| 503 | mSkyPlaneEnabled = (*static_cast<const bool *>(val));
|
---|
| 504 | return true;
|
---|
| 505 | }
|
---|
| 506 | if (key == "SkyDomeEnabled")
|
---|
| 507 | {
|
---|
| 508 | mSkyDomeEnabled = (*static_cast<const bool *>(val));
|
---|
| 509 | return true;
|
---|
| 510 | }
|
---|
| 511 | if (key == "VisualizeCulledNodes")
|
---|
| 512 | {
|
---|
| 513 | mVisualizeCulledNodes = (*static_cast<const bool *>(val));
|
---|
| 514 | return true;
|
---|
| 515 | }
|
---|
| 516 | if (key == "DelayRenderTransparents")
|
---|
| 517 | {
|
---|
| 518 | mDelayRenderTransparents = (*static_cast<const bool *>(val));
|
---|
| 519 | return true;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 | if (key == "DepthWrite")
|
---|
| 523 | {
|
---|
| 524 | mEnableDepthWrite = (*static_cast<const bool *>(val));
|
---|
| 525 | return true;
|
---|
| 526 | }
|
---|
| 527 | if (key == "UseItemBuffer")
|
---|
| 528 | {
|
---|
| 529 | mUseItemBuffer = (*static_cast<const bool *>(val));
|
---|
| 530 | return true;
|
---|
| 531 | }
|
---|
| 532 | if (key == "ExecuteVertexProgramForAllPasses")
|
---|
| 533 | {
|
---|
| 534 | mExecuteVertexProgramForAllPasses = (*static_cast<const bool *>(val));
|
---|
| 535 | return true;
|
---|
| 536 | }
|
---|
| 537 | if (key == "RenderTransparentsForItemBuffer")
|
---|
| 538 | {
|
---|
| 539 | mRenderTransparentsForItemBuffer = (*static_cast<const bool *>(val));
|
---|
| 540 | return true;
|
---|
| 541 | }
|
---|
| 542 | if (key == "NodeVizScale")
|
---|
| 543 | {
|
---|
| 544 | OctreeNode::setVizScale(*static_cast<const float *>(val));
|
---|
| 545 | return true;
|
---|
| 546 | }
|
---|
[903] | 547 | if (key == "LoadViewCells")
|
---|
| 548 | {
|
---|
| 549 | if (!mViewCellsLoaded)
|
---|
| 550 | {
|
---|
[938] | 551 | String filename(static_cast<const char *>(val));
|
---|
| 552 | mViewCellsLoaded = LoadViewCells(filename);
|
---|
[903] | 553 | }
|
---|
[675] | 554 |
|
---|
[938] | 555 | return mViewCellsLoaded;
|
---|
[903] | 556 | }
|
---|
| 557 | if (key == "UseViewCells")
|
---|
| 558 | {
|
---|
[938] | 559 | if (mViewCellsLoaded)
|
---|
| 560 | {
|
---|
| 561 | mUseViewCells = *static_cast<const bool *>(val);
|
---|
[903] | 562 |
|
---|
[938] | 563 | // reset view cell
|
---|
| 564 | OGRE_DELETE(mCurrentViewCell);
|
---|
| 565 |
|
---|
| 566 | if (mUseViewCells)
|
---|
| 567 | mCurrentViewCell = mViewCellsManager->GenerateViewCell();
|
---|
| 568 |
|
---|
| 569 | mElementaryViewCell = NULL;
|
---|
| 570 |
|
---|
| 571 | // if using view cells, all objects are set to false initially
|
---|
| 572 | SetObjectsVisible(!mUseViewCells);
|
---|
| 573 | }
|
---|
| 574 |
|
---|
[903] | 575 | return true;
|
---|
| 576 | }
|
---|
| 577 | if (key == "UseVisibilityFilter")
|
---|
[675] | 578 | {
|
---|
[903] | 579 | mUseVisibilityFilter = *static_cast<const bool *>(val);
|
---|
| 580 | // set null =>recomputation of the pvs
|
---|
| 581 | mElementaryViewCell = NULL;
|
---|
| 582 | return true;
|
---|
| 583 | }
|
---|
[675] | 584 |
|
---|
| 585 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
| 586 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
|
---|
| 587 | }
|
---|
| 588 | //-----------------------------------------------------------------------
|
---|
[720] | 589 | bool OcclusionCullingSceneManager::getOption(const String & key, void *val)
|
---|
[675] | 590 | {
|
---|
| 591 | if (key == "NumHierarchyNodes")
|
---|
| 592 | {
|
---|
| 593 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctants;
|
---|
| 594 | return true;
|
---|
| 595 | }
|
---|
[925] | 596 | if (key == "VisibilityManager")
|
---|
| 597 | {
|
---|
| 598 | * static_cast<GtpVisibility::VisibilityManager **>(val) =
|
---|
| 599 | (GtpVisibility::VisibilityManager *)mVisibilityManager;
|
---|
| 600 | return true;
|
---|
| 601 | }
|
---|
| 602 | if (key == "HierarchInterface")
|
---|
| 603 | {
|
---|
| 604 | * static_cast<GtpVisibility::HierarchyInterface **>(val) =
|
---|
| 605 | (GtpVisibility::HierarchyInterface *)mHierarchyInterface;
|
---|
| 606 | return true;
|
---|
| 607 | }
|
---|
| 608 |
|
---|
[675] | 609 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
| 610 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
|
---|
| 611 | }
|
---|
| 612 | //-----------------------------------------------------------------------
|
---|
[720] | 613 | bool OcclusionCullingSceneManager::getOptionValues(const String & key,
|
---|
[675] | 614 | StringVector &refValueList)
|
---|
| 615 | {
|
---|
| 616 | return TerrainSceneManager::getOptionValues( key, refValueList);
|
---|
| 617 | }
|
---|
| 618 | //-----------------------------------------------------------------------
|
---|
[720] | 619 | bool OcclusionCullingSceneManager::getOptionKeys(StringVector & refKeys)
|
---|
[675] | 620 | {
|
---|
| 621 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
| 622 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
|
---|
| 623 | }
|
---|
| 624 | //-----------------------------------------------------------------------
|
---|
[720] | 625 | void OcclusionCullingSceneManager::setVisibilityManager(GtpVisibility::
|
---|
[675] | 626 | VisibilityManager *visManager)
|
---|
| 627 | {
|
---|
| 628 | mVisibilityManager = visManager;
|
---|
| 629 | }
|
---|
| 630 | //-----------------------------------------------------------------------
|
---|
[720] | 631 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::getVisibilityManager( void )
|
---|
[675] | 632 | {
|
---|
| 633 | return mVisibilityManager;
|
---|
| 634 | }
|
---|
| 635 | //-----------------------------------------------------------------------
|
---|
[720] | 636 | void OcclusionCullingSceneManager::WriteLog()
|
---|
[675] | 637 | {
|
---|
| 638 | std::stringstream d;
|
---|
| 639 |
|
---|
| 640 | d << "Depth pass: " << StringConverter::toString(mUseDepthPass) << ", "
|
---|
| 641 | << "Delay transparents: " << StringConverter::toString(mDelayRenderTransparents) << ", "
|
---|
| 642 | << "Use optimization: " << StringConverter::toString(mHierarchyInterface->GetTestGeometryForVisibleLeaves()) << ", "
|
---|
| 643 | << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
|
---|
| 644 | << "Hierarchy nodes: " << mNumOctants << ", "
|
---|
| 645 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
|
---|
| 646 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
|
---|
| 647 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
|
---|
| 648 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
|
---|
[868] | 649 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
| 650 | << "Found objects: " << (int)mVisible.size() << "\n";
|
---|
[675] | 651 |
|
---|
| 652 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 653 | }
|
---|
| 654 | //-----------------------------------------------------------------------
|
---|
[925] | 655 | void OcclusionCullingSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
| 656 | QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 657 | {
|
---|
[925] | 658 | // Basic render loop
|
---|
| 659 | // Iterate through priorities
|
---|
| 660 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 661 |
|
---|
| 662 | while (groupIt.hasMoreElements())
|
---|
| 663 | {
|
---|
| 664 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
| 665 |
|
---|
| 666 | // Sort the queue first
|
---|
| 667 | pPriorityGrp->sort(mCameraInProgress);
|
---|
| 668 |
|
---|
| 669 | // Do solids
|
---|
| 670 | renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
| 671 |
|
---|
| 672 | // for correct rendering, transparents must be rendered after hierarchical culling
|
---|
| 673 | // => do nothing
|
---|
| 674 |
|
---|
| 675 | // Do transparents (always descending)
|
---|
| 676 | if (NORMAL_RENDER_HACK || !mSkipTransparents)
|
---|
| 677 | {
|
---|
| 678 | renderObjects(pPriorityGrp->getTransparents(),
|
---|
| 679 | QueuedRenderableCollection::OM_SORT_DESCENDING, true);
|
---|
| 680 | }
|
---|
| 681 |
|
---|
| 682 |
|
---|
| 683 | }// for each priority
|
---|
[675] | 684 | }
|
---|
[925] | 685 |
|
---|
[675] | 686 | //-----------------------------------------------------------------------
|
---|
[720] | 687 | bool OcclusionCullingSceneManager::validatePassForRendering(Pass* pass)
|
---|
[675] | 688 | {
|
---|
[868] | 689 | if (NORMAL_RENDER_HACK)
|
---|
| 690 | {
|
---|
| 691 | return SceneManager::validatePassForRendering(pass);
|
---|
| 692 | }
|
---|
| 693 |
|
---|
[675] | 694 | // skip all but first pass if we are doing the depth pass
|
---|
[868] | 695 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
[675] | 696 | {
|
---|
| 697 | return false;
|
---|
| 698 | }
|
---|
[868] | 699 | // all but first pass
|
---|
| 700 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
| 701 | {
|
---|
| 702 | return false;
|
---|
| 703 | }*/
|
---|
[675] | 704 |
|
---|
| 705 | return SceneManager::validatePassForRendering(pass);
|
---|
| 706 | }
|
---|
| 707 | //-----------------------------------------------------------------------
|
---|
[897] | 708 | void OcclusionCullingSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
| 709 | QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 710 | {
|
---|
[868] | 711 | if (NORMAL_RENDER_HACK || !mIsItemBufferPhase)
|
---|
[675] | 712 | {
|
---|
[897] | 713 | TerrainSceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
[675] | 714 | return;
|
---|
| 715 | }
|
---|
[897] | 716 | #ifdef ITEM_BUFFER
|
---|
| 717 | //-- item buffer
|
---|
[868] | 718 | //-- item buffer: render objects using false colors
|
---|
[675] | 719 |
|
---|
| 720 | // Iterate through priorities
|
---|
| 721 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 722 |
|
---|
| 723 | while (groupIt.hasMoreElements())
|
---|
| 724 | {
|
---|
| 725 | RenderItemBuffer(groupIt.getNext());
|
---|
| 726 | }
|
---|
[897] | 727 | #endif // ITEM_BUFFER
|
---|
[675] | 728 | }
|
---|
[897] | 729 | #ifdef ITEM_BUFFER
|
---|
[675] | 730 | //-----------------------------------------------------------------------
|
---|
[720] | 731 | void OcclusionCullingSceneManager::RenderItemBuffer(RenderPriorityGroup* pGroup)
|
---|
[675] | 732 | {
|
---|
| 733 | // Do solids
|
---|
[897] | 734 | QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
|
---|
[675] | 735 |
|
---|
| 736 | // ----- SOLIDS LOOP -----
|
---|
| 737 | RenderPriorityGroup::SolidRenderablePassMap::const_iterator ipass, ipassend;
|
---|
| 738 | ipassend = solidObjs.end();
|
---|
| 739 |
|
---|
| 740 | for (ipass = solidObjs.begin(); ipass != ipassend; ++ipass)
|
---|
| 741 | {
|
---|
| 742 | // Fast bypass if this group is now empty
|
---|
| 743 | if (ipass->second->empty())
|
---|
| 744 | continue;
|
---|
| 745 |
|
---|
[868] | 746 | // Render only first pass of renderable as false color
|
---|
[675] | 747 | if (ipass->first->getIndex() > 0)
|
---|
| 748 | continue;
|
---|
| 749 |
|
---|
| 750 | RenderPriorityGroup::RenderableList* rendList = ipass->second;
|
---|
| 751 |
|
---|
| 752 | RenderPriorityGroup::RenderableList::const_iterator irend, irendend;
|
---|
| 753 | irendend = rendList->end();
|
---|
| 754 |
|
---|
| 755 | for (irend = rendList->begin(); irend != irendend; ++irend)
|
---|
| 756 | {
|
---|
[868] | 757 | if (0)
|
---|
| 758 | {
|
---|
| 759 | std::stringstream d; d << "itembuffer, pass name: " <<
|
---|
| 760 | ipass->first->getParent()->getParent()->getName();
|
---|
| 761 |
|
---|
| 762 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 763 | }
|
---|
[675] | 764 |
|
---|
| 765 | RenderSingleObjectForItemBuffer(*irend, ipass->first);
|
---|
| 766 | }
|
---|
| 767 | }
|
---|
| 768 |
|
---|
[868] | 769 | //-- TRANSPARENT LOOP: must be handled differently from solids
|
---|
[675] | 770 |
|
---|
| 771 | // transparents are treated either as solids or completely discarded
|
---|
| 772 | if (mRenderTransparentsForItemBuffer)
|
---|
| 773 | {
|
---|
[897] | 774 | QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
|
---|
[675] | 775 | RenderPriorityGroup::TransparentRenderablePassList::const_iterator
|
---|
| 776 | itrans, itransend;
|
---|
| 777 |
|
---|
| 778 | itransend = transpObjs.end();
|
---|
| 779 | for (itrans = transpObjs.begin(); itrans != itransend; ++itrans)
|
---|
| 780 | {
|
---|
| 781 | // like for solids, render only first pass
|
---|
| 782 | if (itrans->pass->getIndex() == 0)
|
---|
| 783 | {
|
---|
| 784 | RenderSingleObjectForItemBuffer(itrans->renderable, itrans->pass);
|
---|
| 785 | }
|
---|
| 786 | }
|
---|
| 787 | }
|
---|
| 788 | }
|
---|
| 789 | //-----------------------------------------------------------------------
|
---|
[720] | 790 | void OcclusionCullingSceneManager::RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass)
|
---|
[675] | 791 | {
|
---|
| 792 | static LightList nullLightList;
|
---|
| 793 |
|
---|
| 794 | int col[4];
|
---|
| 795 |
|
---|
| 796 | // -- create color code out of object id
|
---|
| 797 | col[0] = (rend->getId() >> 16) & 255;
|
---|
| 798 | col[1] = (rend->getId() >> 8) & 255;
|
---|
| 799 | col[2] = rend->getId() & 255;
|
---|
| 800 | // col[3] = 255;
|
---|
| 801 |
|
---|
| 802 | //mDestRenderSystem->setColour(col[0], col[1], col[2], col[3]);
|
---|
| 803 |
|
---|
| 804 | mItemBufferPass->setAmbient(ColourValue(col[0] / 255.0f,
|
---|
| 805 | col[1] / 255.0f,
|
---|
| 806 | col[2] / 255.0f, 1));
|
---|
| 807 |
|
---|
| 808 | // set vertex program of current pass
|
---|
| 809 | if (mExecuteVertexProgramForAllPasses && pass->hasVertexProgram())
|
---|
| 810 | {
|
---|
| 811 | mItemBufferPass->setVertexProgram(pass->getVertexProgramName());
|
---|
| 812 |
|
---|
| 813 | if (mItemBufferPass->hasVertexProgram())
|
---|
| 814 | {
|
---|
| 815 | const GpuProgramPtr& prg = mItemBufferPass->getVertexProgram();
|
---|
| 816 | // Load this program if not done already
|
---|
| 817 | if (!prg->isLoaded())
|
---|
| 818 | prg->load();
|
---|
| 819 | // Copy params
|
---|
| 820 | mItemBufferPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
| 821 | }
|
---|
| 822 | }
|
---|
| 823 | else if (mItemBufferPass->hasVertexProgram())
|
---|
| 824 | {
|
---|
| 825 | mItemBufferPass->setVertexProgram("");
|
---|
| 826 | }
|
---|
| 827 |
|
---|
[897] | 828 | const Pass *usedPass = _setPass(mItemBufferPass);
|
---|
[675] | 829 |
|
---|
| 830 |
|
---|
[903] | 831 | // render a single object, this will set up auto params if required
|
---|
[675] | 832 | renderSingleObject(rend, usedPass, false, &nullLightList);
|
---|
| 833 | }
|
---|
[897] | 834 | #endif // ITEM_BUFFER
|
---|
[675] | 835 | //-----------------------------------------------------------------------
|
---|
[720] | 836 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::GetVisibilityManager()
|
---|
[675] | 837 | {
|
---|
| 838 | return mVisibilityManager;
|
---|
| 839 | }
|
---|
| 840 | //-----------------------------------------------------------------------
|
---|
[720] | 841 | void OcclusionCullingSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
[675] | 842 | {
|
---|
| 843 | // reset culling manager stats
|
---|
| 844 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
| 845 |
|
---|
| 846 | // set depth pass flag before rendering
|
---|
| 847 | mIsDepthPassPhase = mUseDepthPass;
|
---|
| 848 |
|
---|
[868] | 849 | mIsHierarchicalCulling = true; // during hierarchical culling
|
---|
| 850 |
|
---|
[675] | 851 | // item buffer needs full ambient lighting to use item colors as unique id
|
---|
| 852 | if (mUseItemBuffer)
|
---|
| 853 | {
|
---|
| 854 | mIsItemBufferPhase = true;
|
---|
| 855 | setAmbientLight(ColourValue(1,1,1,1));
|
---|
| 856 | }
|
---|
| 857 |
|
---|
| 858 |
|
---|
| 859 | // set passes which are stored in render queue
|
---|
| 860 | // for rendering AFTER hierarchical culling, i.e., passes which need
|
---|
| 861 | // a special rendering order
|
---|
[868] | 862 |
|
---|
[675] | 863 | mLeavePassesInQueue = 0;
|
---|
| 864 |
|
---|
[897] | 865 | // if we have the depth pass or use an item buffer, no passes are left in the queue
|
---|
| 866 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
[675] | 867 | {
|
---|
| 868 | if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)
|
---|
| 869 | {
|
---|
| 870 | // TODO: remove this pass because it should be processed during hierarchical culling
|
---|
| 871 | //mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
| 872 |
|
---|
| 873 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DECAL;
|
---|
| 874 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DIFFUSE_SPECULAR;
|
---|
| 875 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
| 876 |
|
---|
[903] | 877 | // just render ambient passes
|
---|
[897] | 878 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
| 879 | // mIlluminationStage = IRS_AMBIENT;
|
---|
[925] | 880 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
[675] | 881 | }
|
---|
| 882 |
|
---|
| 883 | if (mShadowTechnique == SHADOWTYPE_STENCIL_MODULATIVE)
|
---|
| 884 | {
|
---|
| 885 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
| 886 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
| 887 | }
|
---|
| 888 |
|
---|
| 889 | // transparents should be rendered after hierarchical culling to
|
---|
| 890 | // provide front-to-back ordering
|
---|
| 891 | if (mDelayRenderTransparents)
|
---|
| 892 | {
|
---|
| 893 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
| 894 | }
|
---|
| 895 | }
|
---|
| 896 |
|
---|
[868] | 897 | // skip rendering transparents during the hierarchical culling
|
---|
[675] | 898 | // (because they will be rendered afterwards)
|
---|
[868] | 899 | mSkipTransparents =
|
---|
| 900 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
[675] | 901 |
|
---|
| 902 | // -- initialise interface for rendering traversal of the hierarchy
|
---|
| 903 | mHierarchyInterface->SetHierarchyRoot(mOctree);
|
---|
| 904 |
|
---|
| 905 | // possible two cameras (one for culling, one for rendering)
|
---|
| 906 | mHierarchyInterface->InitTraversal(mCameraInProgress,
|
---|
| 907 | mCullCamera ? getCamera("CullCamera") : NULL,
|
---|
| 908 | mLeavePassesInQueue);
|
---|
| 909 |
|
---|
| 910 | }
|
---|
| 911 | //-----------------------------------------------------------------------
|
---|
[720] | 912 | OctreeHierarchyInterface *OcclusionCullingSceneManager::GetHierarchyInterface()
|
---|
[675] | 913 | {
|
---|
| 914 | return mHierarchyInterface;
|
---|
| 915 | }
|
---|
| 916 | //-----------------------------------------------------------------------
|
---|
[720] | 917 | void OcclusionCullingSceneManager::endFrame()
|
---|
[675] | 918 | {
|
---|
| 919 | TerrainRenderable::ResetRenderLevelIndex();
|
---|
| 920 | }
|
---|
| 921 | //-----------------------------------------------------------------------
|
---|
[720] | 922 | Entity* OcclusionCullingSceneManager::createEntity(const String& entityName,
|
---|
[675] | 923 | const String& meshName)
|
---|
| 924 | {
|
---|
| 925 | Entity *ent = SceneManager::createEntity(entityName, meshName);
|
---|
| 926 |
|
---|
| 927 | for (int i = 0; i < (int)ent->getNumSubEntities(); ++i)
|
---|
| 928 | {
|
---|
| 929 | ent->getSubEntity(i)->setId(mCurrentEntityId);
|
---|
| 930 | }
|
---|
| 931 |
|
---|
| 932 | // increase counter of entity id values
|
---|
| 933 | ++ mCurrentEntityId;
|
---|
| 934 |
|
---|
| 935 | return ent;
|
---|
| 936 | }
|
---|
| 937 | //-----------------------------------------------------------------------
|
---|
[897] | 938 | void OcclusionCullingSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
| 939 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 940 | {
|
---|
| 941 | // only render solid passes during hierarchical culling
|
---|
| 942 | if (mIsHierarchicalCulling)
|
---|
| 943 | {
|
---|
| 944 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 945 | LightList lightList;
|
---|
| 946 |
|
---|
| 947 | while (groupIt.hasMoreElements())
|
---|
| 948 | {
|
---|
| 949 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
| 950 |
|
---|
| 951 | // Sort the queue first
|
---|
| 952 | pPriorityGrp->sort(mCameraInProgress);
|
---|
| 953 |
|
---|
| 954 | // Clear light list
|
---|
| 955 | lightList.clear();
|
---|
| 956 |
|
---|
| 957 | // Render all the ambient passes first, no light iteration, no lights
|
---|
[897] | 958 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
| 959 | // mIlluminationStage = IRS_AMBIENT;
|
---|
[675] | 960 |
|
---|
[897] | 961 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
[675] | 962 | // Also render any objects which have receive shadows disabled
|
---|
[897] | 963 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
[903] | 964 | #if 0
|
---|
| 965 | std::stringstream d;
|
---|
| 966 | d << " solid size: " << (int)pPriorityGrp->_getSolidPasses().size()
|
---|
| 967 | << " solid no shadow size: " << (int)pPriorityGrp->_getSolidPassesNoShadow().size()
|
---|
| 968 | << "difspec size: " << (int)pPriorityGrp->_getSolidPassesDiffuseSpecular().size()
|
---|
| 969 | << " decal size: " << (int)pPriorityGrp->_getSolidPassesDecal().size();
|
---|
| 970 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 971 | #endif
|
---|
[675] | 972 | }
|
---|
| 973 | }
|
---|
[903] | 974 | else // render the rest of the passes
|
---|
[675] | 975 | {
|
---|
[897] | 976 | OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
[675] | 977 | }
|
---|
| 978 | }
|
---|
| 979 | //-----------------------------------------------------------------------
|
---|
[897] | 980 | void OcclusionCullingSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
| 981 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 982 | {
|
---|
| 983 | if (mIsHierarchicalCulling)
|
---|
| 984 | {
|
---|
| 985 | // Iterate through priorities
|
---|
| 986 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 987 |
|
---|
| 988 | while (groupIt.hasMoreElements())
|
---|
| 989 | {
|
---|
| 990 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
| 991 |
|
---|
| 992 | // Sort the queue first
|
---|
| 993 | pPriorityGrp->sort(mCameraInProgress);
|
---|
| 994 |
|
---|
| 995 | // Do (shadowable) solids
|
---|
[897] | 996 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
[675] | 997 | }
|
---|
| 998 | }
|
---|
| 999 | else
|
---|
| 1000 | {
|
---|
[931] | 1001 | OctreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
[675] | 1002 | }
|
---|
| 1003 | }
|
---|
[903] | 1004 | //-------------------------------------------------------------------------
|
---|
| 1005 | void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
|
---|
| 1006 | {
|
---|
| 1007 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
[828] | 1008 |
|
---|
[903] | 1009 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
| 1010 | {
|
---|
| 1011 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(*it);
|
---|
| 1012 | Entity *ent = omi->GetMesh();
|
---|
[944] | 1013 |
|
---|
[903] | 1014 | ent->setVisible(visible);
|
---|
| 1015 | }
|
---|
| 1016 | }
|
---|
| 1017 | //-----------------------------------------------------------------------
|
---|
[938] | 1018 | bool OcclusionCullingSceneManager::LoadViewCells(const String &filename)
|
---|
[863] | 1019 | {
|
---|
[938] | 1020 | // objects are set to invisible initially
|
---|
[903] | 1021 | SetObjectsVisible(false);
|
---|
[938] | 1022 |
|
---|
[931] | 1023 | const string bboxesFilename = mVisibilityManager->GetVisibilityEnvironment()->getViewCellsFileName();
|
---|
[903] | 1024 |
|
---|
[938] | 1025 | // converter between view cell ids and Ogre entites
|
---|
[931] | 1026 | GtpVisibilityPreprocessor::IndexedBoundingBoxContainer iboxes;
|
---|
| 1027 | OgreBoundingBoxConverter bconverter(this);
|
---|
| 1028 |
|
---|
[863] | 1029 | // load the view cells assigning the found objects to the pvss
|
---|
[903] | 1030 | mViewCellsManager =
|
---|
[1004] | 1031 | GtpVisibilityPreprocessor::ViewCellsManager::LoadViewCells(filename, &mObjects, false, &bconverter);
|
---|
[903] | 1032 |
|
---|
[938] | 1033 | return (mViewCellsManager != NULL);
|
---|
[863] | 1034 | }
|
---|
[903] | 1035 | //-------------------------------------------------------------------------
|
---|
| 1036 | void OcclusionCullingSceneManager::applyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
| 1037 | const bool load)
|
---|
| 1038 | { // NOTE: should not happen, rather apply view cell representing unbounded space then
|
---|
| 1039 | if (!vc)
|
---|
| 1040 | {
|
---|
| 1041 | // set everything visible for savety
|
---|
| 1042 | SetObjectsVisible(true);
|
---|
[944] | 1043 |
|
---|
[903] | 1044 | return;
|
---|
| 1045 | }
|
---|
[944] | 1046 |
|
---|
[903] | 1047 | GtpVisibilityPreprocessor::ObjectPvsMap::const_iterator oit,
|
---|
| 1048 | oit_end = vc->GetPvs().mEntries.end();
|
---|
| 1049 |
|
---|
| 1050 | //-- PVS of view cell
|
---|
| 1051 | for (oit = vc->GetPvs().mEntries.begin(); oit != oit_end; ++ oit)
|
---|
| 1052 | {
|
---|
| 1053 | if (!(*oit).first) continue;
|
---|
| 1054 |
|
---|
[1146] | 1055 | OgreMeshInstance *omi = dynamic_cast<OgreMeshInstance *>((*oit).first);
|
---|
[903] | 1056 | omi->GetMesh()->setVisible(load);
|
---|
[944] | 1057 | //GtpVisibilityPreprocessor::Debug << "assigned id " << omi->GetId() << endl;
|
---|
[863] | 1058 | }
|
---|
| 1059 | }
|
---|
[903] | 1060 | //-------------------------------------------------------------------------
|
---|
| 1061 | void OcclusionCullingSceneManager::updatePvs(Camera *cam)
|
---|
| 1062 | {
|
---|
[938] | 1063 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
| 1064 | return;
|
---|
[863] | 1065 |
|
---|
[938] | 1066 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
| 1067 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
[903] | 1068 |
|
---|
[938] | 1069 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
| 1070 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
[903] | 1071 |
|
---|
[938] | 1072 | // elementary view cell did not change => apply same pvs
|
---|
| 1073 | if (mElementaryViewCell == newElementary)
|
---|
| 1074 | return;
|
---|
[903] | 1075 |
|
---|
[938] | 1076 | mElementaryViewCell = newElementary;
|
---|
[944] | 1077 | //LogManager::getSingleton().logMessage("unloading");
|
---|
[938] | 1078 | //-- unload old pvs
|
---|
| 1079 | applyViewCellPvs(mCurrentViewCell, false);
|
---|
[903] | 1080 |
|
---|
| 1081 |
|
---|
[938] | 1082 | //-- the new view cell
|
---|
[903] | 1083 |
|
---|
[938] | 1084 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
[903] | 1085 |
|
---|
| 1086 |
|
---|
[938] | 1087 | if (mUseVisibilityFilter)
|
---|
| 1088 | {
|
---|
| 1089 | //-- compute new filtered cell
|
---|
| 1090 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
| 1091 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
| 1092 | viewCell = prvs.mViewCell;
|
---|
| 1093 | }
|
---|
| 1094 | else
|
---|
| 1095 | {
|
---|
| 1096 | viewCell = newElementary;
|
---|
| 1097 | }
|
---|
[944] | 1098 | //LogManager::getSingleton().logMessage("loading");
|
---|
[938] | 1099 | //-- load new pvs
|
---|
[944] | 1100 | applyViewCellPvs(viewCell, true);
|
---|
[903] | 1101 |
|
---|
[938] | 1102 | // store pvs
|
---|
| 1103 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
[903] | 1104 |
|
---|
[938] | 1105 | // delete merge tree of filtered view cell
|
---|
| 1106 | if (mUseVisibilityFilter)
|
---|
| 1107 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
[903] | 1108 | }
|
---|
[955] | 1109 | #if 0
|
---|
[951] | 1110 | //-------------------------------------------------------------------------
|
---|
| 1111 | void OcclusionCullingSceneManager::TestVisible(SceneNode *node)
|
---|
| 1112 | {
|
---|
| 1113 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
| 1114 | if (!node->mVisibleChildren)
|
---|
| 1115 | node->setVisible(false);
|
---|
[903] | 1116 |
|
---|
[951] | 1117 | node->getOctant()->mVisibleChildren --;
|
---|
| 1118 | }
|
---|
| 1119 | //-------------------------------------------------------------------------
|
---|
| 1120 | void OcclusionCullingSceneManager::TestVisible(Octree *octant)
|
---|
| 1121 | {
|
---|
| 1122 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
| 1123 | if (!octant->mVisibleChildren)
|
---|
| 1124 | octant->setVisible(false);
|
---|
| 1125 | }
|
---|
[903] | 1126 |
|
---|
[951] | 1127 | //-------------------------------------------------------------------------
|
---|
| 1128 | void OcclusionCullingSceneManager::UpdateVisibility(Entity *ent)
|
---|
| 1129 | {
|
---|
| 1130 | if (!ent->isVisible())
|
---|
| 1131 | {
|
---|
| 1132 | bool visible = TestVisible(ent->getParentNode());
|
---|
| 1133 |
|
---|
| 1134 | if (!visible)
|
---|
| 1135 | visible = TestVisible(octant->getParentNode());
|
---|
[903] | 1136 |
|
---|
[951] | 1137 | if (!visible)
|
---|
| 1138 | mHierarchyInterface->pullupVisibility();
|
---|
| 1139 | }
|
---|
| 1140 | }
|
---|
[955] | 1141 | #endif
|
---|
[903] | 1142 | //-----------------------------------------------------------------------
|
---|
| 1143 | const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
|
---|
| 1144 | //-----------------------------------------------------------------------
|
---|
| 1145 | void OcclusionCullingSceneManagerFactory::initMetaData(void) const
|
---|
| 1146 | {
|
---|
| 1147 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
| 1148 | mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
|
---|
| 1149 | mMetaData.sceneTypeMask = 0xFFFF; // support all types
|
---|
| 1150 | mMetaData.worldGeometrySupported = false;
|
---|
| 1151 | }
|
---|
| 1152 | //-----------------------------------------------------------------------
|
---|
[925] | 1153 | SceneManager *OcclusionCullingSceneManagerFactory::createInstance(
|
---|
| 1154 | const String& instanceName)
|
---|
[903] | 1155 | {
|
---|
[925] | 1156 | OcclusionCullingSceneManager* tsm = new OcclusionCullingSceneManager(instanceName, visManager);
|
---|
| 1157 |
|
---|
| 1158 | // Create & register default sources (one per manager)
|
---|
| 1159 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource();
|
---|
| 1160 | mTerrainPageSources.push_back(ps);
|
---|
| 1161 | tsm->registerPageSource("Heightmap", ps);
|
---|
| 1162 |
|
---|
| 1163 | return tsm;
|
---|
[903] | 1164 | }
|
---|
| 1165 | //-----------------------------------------------------------------------
|
---|
| 1166 | void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
| 1167 | {
|
---|
| 1168 | delete instance;
|
---|
| 1169 | }
|
---|
| 1170 |
|
---|
[675] | 1171 | } // namespace Ogre
|
---|