[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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[897] | 209 | const Pass *OcclusionCullingSceneManager::_setPass(Pass* pass)
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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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| 223 | Pass *usedPass = useDepthPass ? mDepthPass : pass;
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[675] | 224 |
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[925] | 225 |
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| 226 | const IlluminationRenderStage savedStage = mIlluminationStage;
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[675] | 227 |
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| 228 | // set illumination stage to NONE so no shadow material is used
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| 229 | // for depth pass or for occlusion query
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| 230 | if (mIsDepthPassPhase || mHierarchyInterface->IsBoundingBoxQuery())
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| 231 | {
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| 232 | mIlluminationStage = IRS_NONE;
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| 233 | }
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| 234 |
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| 235 | // --- set vertex program of current pass in order to set correct depth
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[868] | 236 | if (mExecuteVertexProgramForAllPasses &&
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| 237 | mIsDepthPassPhase &&
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| 238 | pass->hasVertexProgram())
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[675] | 239 | {
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| 240 | // add vertex program of current pass to depth pass
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| 241 | mDepthPass->setVertexProgram(pass->getVertexProgramName());
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| 242 |
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| 243 | if (mDepthPass->hasVertexProgram())
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| 244 | {
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| 245 | const GpuProgramPtr& prg = mDepthPass->getVertexProgram();
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| 246 | // Load this program if not done already
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| 247 | if (!prg->isLoaded())
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| 248 | prg->load();
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| 249 | // Copy params
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| 250 | mDepthPass->setVertexProgramParameters(pass->getVertexProgramParameters());
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| 251 | }
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| 252 | }
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[868] | 253 | else if (mDepthPass->hasVertexProgram()) // reset vertex program
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[675] | 254 | {
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| 255 | mDepthPass->setVertexProgram("");
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| 256 | }
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| 257 |
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[868] | 258 | // save old depth write: needed for item buffer
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| 259 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
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[675] | 260 |
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| 261 | // global option which enables / disables depth writes
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| 262 | if (!mEnableDepthWrite)
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| 263 | {
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| 264 | usedPass->setDepthWriteEnabled(false);
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| 265 | }
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| 266 | //else if (mIsItemBufferPass) {usedPass = mItemBufferPass;}
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| 267 |
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[868] | 268 |
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| 269 | //-- set actual pass here
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[897] | 270 | const Pass *result = SceneManager::_setPass(usedPass);
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[675] | 271 |
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[868] | 272 |
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[675] | 273 | // reset depth write
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| 274 | if (!mEnableDepthWrite)
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| 275 | {
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| 276 | usedPass->setDepthWriteEnabled(IsDepthWrite);
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| 277 | }
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| 278 |
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| 279 | // reset illumination stage
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| 280 | mIlluminationStage = savedStage;
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| 281 |
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| 282 | return result;
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| 283 | }
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| 284 | //-----------------------------------------------------------------------
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[897] | 285 | void OcclusionCullingSceneManager::_findVisibleObjects(Camera* cam,
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| 286 | bool onlyShadowCasters)
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[675] | 287 | {
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[868] | 288 | if (NORMAL_RENDER_HACK)
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| 289 | {
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| 290 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
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| 291 | return;
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| 292 | }
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| 293 |
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[903] | 294 |
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[675] | 295 | //-- show visible scene nodes and octree bounding boxes from last frame
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| 296 | if (mShowVisualization)
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| 297 | {
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| 298 | PrepareVisualization(cam);
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| 299 | }
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| 300 | else
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| 301 | {
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| 302 | // for hierarchical culling, we interleave identification
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| 303 | // and rendering of objects in _renderVisibibleObjects
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| 304 |
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| 305 | // for the shadow pass we use only standard rendering
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| 306 | // because of low occlusion
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| 307 | if (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
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| 308 | mIlluminationStage == IRS_RENDER_TO_TEXTURE)
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| 309 | {
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[868] | 310 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
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[675] | 311 | }
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[903] | 312 |
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[675] | 313 | // only shadow casters will be rendered in shadow texture pass
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[868] | 314 | if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
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[903] | 315 |
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| 316 |
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| 317 | //-- apply view cell pvs
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| 318 | updatePvs(cam);
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[675] | 319 | }
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| 320 |
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| 321 |
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| 322 | // -- delete lists stored for visualization
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| 323 | mVisible.clear();
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| 324 | mBoxes.clear();
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| 325 | }
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| 326 | //-----------------------------------------------------------------------
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[720] | 327 | void OcclusionCullingSceneManager::_renderVisibleObjects()
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[675] | 328 | {
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[868] | 329 | if (NORMAL_RENDER_HACK)
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| 330 | {
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| 331 | OctreeSceneManager::_renderVisibleObjects();
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[675] | 332 |
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[868] | 333 | return;
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| 334 | }
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| 335 |
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[675] | 336 | InitDepthPass(); // create material for depth pass
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| 337 | InitItemBufferPass(); // create material for item buffer pass
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| 338 |
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| 339 | // save ambient light to reset later
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| 340 | ColourValue savedAmbient = mAmbientLight;
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| 341 |
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| 342 | //-- apply standard rendering for some modes (e.g., visualization, shadow pass)
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| 343 |
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| 344 | if (mShowVisualization ||
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| 345 | (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
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| 346 | mIlluminationStage == IRS_RENDER_TO_TEXTURE))
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| 347 | {
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| 348 | IlluminationRenderStage savedStage = mIlluminationStage;
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| 349 |
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| 350 | if (mShowVisualization)
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[868] | 351 | {
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[675] | 352 | // disable illumination stage to prevent rendering shadows
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| 353 | mIlluminationStage = IRS_NONE;
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[868] | 354 | }
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[675] | 355 |
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| 356 | // standard rendering for shadow maps because of performance
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| 357 | TerrainSceneManager::_renderVisibleObjects();
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| 358 |
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| 359 | mIlluminationStage = savedStage;
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| 360 | }
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| 361 | else //-- the hierarchical culling algorithm
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| 362 | {
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[868] | 363 | // this is also called in TerrainSceneManager: really
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| 364 | // nexessary?
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| 365 | mDestRenderSystem -> setLightingEnabled(false);
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| 366 |
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[675] | 367 | // don't render backgrounds for item buffer
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| 368 | if (mUseItemBuffer)
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| 369 | {
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| 370 | clearSpecialCaseRenderQueues();
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| 371 | getRenderQueue()->clear();
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| 372 | }
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| 373 |
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| 374 | //-- hierarchical culling
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| 375 | // the objects of different layers (e.g., background, scene,
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| 376 | // overlay) must be identified and rendered one after another
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| 377 |
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| 378 | //-- render all early skies
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| 379 | clearSpecialCaseRenderQueues();
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| 380 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
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| 381 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
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| 382 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
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| 383 |
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| 384 | TerrainSceneManager::_renderVisibleObjects();
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| 385 |
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| 386 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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| 387 | // delete previously rendered content
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| 388 | _deleteRenderedQueueGroups();
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| 389 | #endif
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| 390 |
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| 391 | //-- prepare queue for visible objects (i.e., all but overlay and skies late)
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| 392 | clearSpecialCaseRenderQueues();
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| 393 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_LATE);
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| 394 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
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[897] | 395 |
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[675] | 396 | // exclude this queues from hierarchical rendering
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| 397 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
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| 398 |
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[903] | 399 |
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[675] | 400 | // set all necessary parameters for
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| 401 | // hierarchical visibility culling and rendering
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| 402 | InitVisibilityCulling(mCameraInProgress);
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| 403 |
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[897] | 404 |
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[675] | 405 | /**
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| 406 | * the hierarchical culling algorithm
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| 407 | * for depth pass: we just find objects and update depth buffer
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| 408 | * for "delayed" rendering: we render some passes afterwards
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| 409 | * e.g., transparents, because they need front-to-back sorting
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| 410 | **/
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| 411 |
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| 412 | mVisibilityManager->ApplyVisibilityCulling();
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| 413 |
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[868] | 414 | // delete remaining renderables from queue:
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| 415 | // all which are not in mLeavePassesInQueue)
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[675] | 416 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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| 417 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
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| 418 | #endif
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| 419 |
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| 420 | //-- reset parameters
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| 421 | mIsDepthPassPhase = false;
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| 422 | mIsItemBufferPhase = false;
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| 423 | mSkipTransparents = false;
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[868] | 424 | mIsHierarchicalCulling = false;
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| 425 |
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[675] | 426 | mLeavePassesInQueue = 0;
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[897] | 427 |
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[868] | 428 | #if 1
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[675] | 429 | // add visible nodes found by the visibility culling algorithm
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| 430 | if (mUseDepthPass)
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| 431 | {
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[868] | 432 | NodeList::const_iterator it, it_end = mVisible.end();
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| 433 |
|
---|
| 434 | //getRenderQueue()->clear();
|
---|
| 435 | for (it = mVisible.begin(); it != it_end; ++ it)
|
---|
[675] | 436 | {
|
---|
| 437 | (*it)->_addToRenderQueue(mCameraInProgress, getRenderQueue(), false);
|
---|
| 438 | }
|
---|
| 439 | }
|
---|
[868] | 440 | #endif
|
---|
[675] | 441 | //-- now we can render all remaining queue objects
|
---|
[868] | 442 | //-- used for depth pass, transparents, overlay
|
---|
[675] | 443 | clearSpecialCaseRenderQueues();
|
---|
| 444 |
|
---|
| 445 | TerrainSceneManager::_renderVisibleObjects();
|
---|
[868] | 446 | } // hierarchical culling
|
---|
[675] | 447 |
|
---|
| 448 | // HACK: set the new render level index, important to avoid cracks
|
---|
| 449 | // in terrain caused by LOD
|
---|
| 450 | TerrainRenderable::NextRenderLevelIndex();
|
---|
| 451 |
|
---|
| 452 | // reset ambient light
|
---|
| 453 | setAmbientLight(savedAmbient);
|
---|
| 454 |
|
---|
| 455 | getRenderQueue()->clear(); // finally clear render queue
|
---|
[868] | 456 | if (0) OGRE_DELETE(mRenderQueue); // HACK: should rather only be cleared ...
|
---|
[675] | 457 |
|
---|
[868] | 458 | if (0) WriteLog(); // write out stats
|
---|
[675] | 459 | }
|
---|
| 460 |
|
---|
| 461 | //-----------------------------------------------------------------------
|
---|
[720] | 462 | void OcclusionCullingSceneManager::_updateSceneGraph(Camera* cam)
|
---|
[675] | 463 | {
|
---|
[868] | 464 | if (NORMAL_RENDER_HACK)
|
---|
| 465 | {
|
---|
| 466 | OctreeSceneManager::_updateSceneGraph(cam);
|
---|
| 467 | return;
|
---|
| 468 | }
|
---|
| 469 |
|
---|
[675] | 470 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
|
---|
| 471 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
|
---|
| 472 |
|
---|
| 473 | TerrainSceneManager::_updateSceneGraph(cam);
|
---|
| 474 | }
|
---|
| 475 | //-----------------------------------------------------------------------
|
---|
[720] | 476 | bool OcclusionCullingSceneManager::setOption(const String & key, const void * val)
|
---|
[675] | 477 | {
|
---|
| 478 | if (key == "UseDepthPass")
|
---|
| 479 | {
|
---|
| 480 | mUseDepthPass = (*static_cast<const bool *>(val));
|
---|
| 481 | return true;
|
---|
| 482 | }
|
---|
| 483 | if (key == "PrepareVisualization")
|
---|
| 484 | {
|
---|
| 485 | mShowVisualization = (*static_cast<const bool *>(val));
|
---|
| 486 | return true;
|
---|
| 487 | }
|
---|
| 488 | if (key == "RenderNodesForViz")
|
---|
| 489 | {
|
---|
| 490 | mRenderNodesForViz = (*static_cast<const bool *>(val));
|
---|
| 491 | return true;
|
---|
| 492 | }
|
---|
| 493 | if (key == "RenderNodesContentForViz")
|
---|
| 494 | {
|
---|
| 495 | mRenderNodesContentForViz = (*static_cast<const bool *>(val));
|
---|
| 496 | return true;
|
---|
| 497 | }
|
---|
| 498 | if (key == "SkyBoxEnabled")
|
---|
| 499 | {
|
---|
| 500 | mSkyBoxEnabled = (*static_cast<const bool *>(val));
|
---|
| 501 | return true;
|
---|
| 502 | }
|
---|
| 503 | if (key == "SkyPlaneEnabled")
|
---|
| 504 | {
|
---|
| 505 | mSkyPlaneEnabled = (*static_cast<const bool *>(val));
|
---|
| 506 | return true;
|
---|
| 507 | }
|
---|
| 508 | if (key == "SkyDomeEnabled")
|
---|
| 509 | {
|
---|
| 510 | mSkyDomeEnabled = (*static_cast<const bool *>(val));
|
---|
| 511 | return true;
|
---|
| 512 | }
|
---|
| 513 | if (key == "VisualizeCulledNodes")
|
---|
| 514 | {
|
---|
| 515 | mVisualizeCulledNodes = (*static_cast<const bool *>(val));
|
---|
| 516 | return true;
|
---|
| 517 | }
|
---|
| 518 | if (key == "DelayRenderTransparents")
|
---|
| 519 | {
|
---|
| 520 | mDelayRenderTransparents = (*static_cast<const bool *>(val));
|
---|
| 521 | return true;
|
---|
| 522 | }
|
---|
| 523 |
|
---|
| 524 | if (key == "DepthWrite")
|
---|
| 525 | {
|
---|
| 526 | mEnableDepthWrite = (*static_cast<const bool *>(val));
|
---|
| 527 | return true;
|
---|
| 528 | }
|
---|
| 529 | if (key == "UseItemBuffer")
|
---|
| 530 | {
|
---|
| 531 | mUseItemBuffer = (*static_cast<const bool *>(val));
|
---|
| 532 | return true;
|
---|
| 533 | }
|
---|
| 534 | if (key == "ExecuteVertexProgramForAllPasses")
|
---|
| 535 | {
|
---|
| 536 | mExecuteVertexProgramForAllPasses = (*static_cast<const bool *>(val));
|
---|
| 537 | return true;
|
---|
| 538 | }
|
---|
| 539 | if (key == "RenderTransparentsForItemBuffer")
|
---|
| 540 | {
|
---|
| 541 | mRenderTransparentsForItemBuffer = (*static_cast<const bool *>(val));
|
---|
| 542 | return true;
|
---|
| 543 | }
|
---|
| 544 | if (key == "NodeVizScale")
|
---|
| 545 | {
|
---|
| 546 | OctreeNode::setVizScale(*static_cast<const float *>(val));
|
---|
| 547 | return true;
|
---|
| 548 | }
|
---|
[903] | 549 | if (key == "LoadViewCells")
|
---|
| 550 | {
|
---|
| 551 | if (!mViewCellsLoaded)
|
---|
| 552 | {
|
---|
[938] | 553 | String filename(static_cast<const char *>(val));
|
---|
| 554 | mViewCellsLoaded = LoadViewCells(filename);
|
---|
[903] | 555 | }
|
---|
[675] | 556 |
|
---|
[938] | 557 | return mViewCellsLoaded;
|
---|
[903] | 558 | }
|
---|
| 559 | if (key == "UseViewCells")
|
---|
| 560 | {
|
---|
[938] | 561 | if (mViewCellsLoaded)
|
---|
| 562 | {
|
---|
| 563 | mUseViewCells = *static_cast<const bool *>(val);
|
---|
[903] | 564 |
|
---|
[938] | 565 | // reset view cell
|
---|
| 566 | OGRE_DELETE(mCurrentViewCell);
|
---|
| 567 |
|
---|
| 568 | if (mUseViewCells)
|
---|
| 569 | mCurrentViewCell = mViewCellsManager->GenerateViewCell();
|
---|
| 570 |
|
---|
| 571 | mElementaryViewCell = NULL;
|
---|
| 572 |
|
---|
| 573 | // if using view cells, all objects are set to false initially
|
---|
| 574 | SetObjectsVisible(!mUseViewCells);
|
---|
| 575 | }
|
---|
| 576 |
|
---|
[903] | 577 | return true;
|
---|
| 578 | }
|
---|
| 579 | if (key == "UseVisibilityFilter")
|
---|
[675] | 580 | {
|
---|
[903] | 581 | mUseVisibilityFilter = *static_cast<const bool *>(val);
|
---|
| 582 | // set null =>recomputation of the pvs
|
---|
| 583 | mElementaryViewCell = NULL;
|
---|
| 584 | return true;
|
---|
| 585 | }
|
---|
[675] | 586 |
|
---|
| 587 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
| 588 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
|
---|
| 589 | }
|
---|
| 590 | //-----------------------------------------------------------------------
|
---|
[720] | 591 | bool OcclusionCullingSceneManager::getOption(const String & key, void *val)
|
---|
[675] | 592 | {
|
---|
| 593 | if (key == "NumHierarchyNodes")
|
---|
| 594 | {
|
---|
| 595 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctants;
|
---|
| 596 | return true;
|
---|
| 597 | }
|
---|
[925] | 598 | if (key == "VisibilityManager")
|
---|
| 599 | {
|
---|
| 600 | * static_cast<GtpVisibility::VisibilityManager **>(val) =
|
---|
| 601 | (GtpVisibility::VisibilityManager *)mVisibilityManager;
|
---|
| 602 | return true;
|
---|
| 603 | }
|
---|
| 604 | if (key == "HierarchInterface")
|
---|
| 605 | {
|
---|
| 606 | * static_cast<GtpVisibility::HierarchyInterface **>(val) =
|
---|
| 607 | (GtpVisibility::HierarchyInterface *)mHierarchyInterface;
|
---|
| 608 | return true;
|
---|
| 609 | }
|
---|
| 610 |
|
---|
[675] | 611 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
| 612 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
|
---|
| 613 | }
|
---|
| 614 | //-----------------------------------------------------------------------
|
---|
[720] | 615 | bool OcclusionCullingSceneManager::getOptionValues(const String & key,
|
---|
[675] | 616 | StringVector &refValueList)
|
---|
| 617 | {
|
---|
| 618 | return TerrainSceneManager::getOptionValues( key, refValueList);
|
---|
| 619 | }
|
---|
| 620 | //-----------------------------------------------------------------------
|
---|
[720] | 621 | bool OcclusionCullingSceneManager::getOptionKeys(StringVector & refKeys)
|
---|
[675] | 622 | {
|
---|
| 623 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
| 624 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
|
---|
| 625 | }
|
---|
| 626 | //-----------------------------------------------------------------------
|
---|
[720] | 627 | void OcclusionCullingSceneManager::setVisibilityManager(GtpVisibility::
|
---|
[675] | 628 | VisibilityManager *visManager)
|
---|
| 629 | {
|
---|
| 630 | mVisibilityManager = visManager;
|
---|
| 631 | }
|
---|
| 632 | //-----------------------------------------------------------------------
|
---|
[720] | 633 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::getVisibilityManager( void )
|
---|
[675] | 634 | {
|
---|
| 635 | return mVisibilityManager;
|
---|
| 636 | }
|
---|
| 637 | //-----------------------------------------------------------------------
|
---|
[720] | 638 | void OcclusionCullingSceneManager::WriteLog()
|
---|
[675] | 639 | {
|
---|
| 640 | std::stringstream d;
|
---|
| 641 |
|
---|
| 642 | d << "Depth pass: " << StringConverter::toString(mUseDepthPass) << ", "
|
---|
| 643 | << "Delay transparents: " << StringConverter::toString(mDelayRenderTransparents) << ", "
|
---|
| 644 | << "Use optimization: " << StringConverter::toString(mHierarchyInterface->GetTestGeometryForVisibleLeaves()) << ", "
|
---|
| 645 | << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
|
---|
| 646 | << "Hierarchy nodes: " << mNumOctants << ", "
|
---|
| 647 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
|
---|
| 648 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
|
---|
| 649 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
|
---|
| 650 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
|
---|
[868] | 651 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
| 652 | << "Found objects: " << (int)mVisible.size() << "\n";
|
---|
[675] | 653 |
|
---|
| 654 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 655 | }
|
---|
| 656 | //-----------------------------------------------------------------------
|
---|
[925] | 657 | void OcclusionCullingSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
| 658 | QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 659 | {
|
---|
[925] | 660 | // Basic render loop
|
---|
| 661 | // Iterate through priorities
|
---|
| 662 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 663 |
|
---|
| 664 | while (groupIt.hasMoreElements())
|
---|
| 665 | {
|
---|
| 666 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
| 667 |
|
---|
| 668 | // Sort the queue first
|
---|
| 669 | pPriorityGrp->sort(mCameraInProgress);
|
---|
| 670 |
|
---|
| 671 | // Do solids
|
---|
| 672 | renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
| 673 |
|
---|
| 674 | // for correct rendering, transparents must be rendered after hierarchical culling
|
---|
| 675 | // => do nothing
|
---|
| 676 |
|
---|
| 677 | // Do transparents (always descending)
|
---|
| 678 | if (NORMAL_RENDER_HACK || !mSkipTransparents)
|
---|
| 679 | {
|
---|
| 680 | renderObjects(pPriorityGrp->getTransparents(),
|
---|
| 681 | QueuedRenderableCollection::OM_SORT_DESCENDING, true);
|
---|
| 682 | }
|
---|
| 683 |
|
---|
| 684 |
|
---|
| 685 | }// for each priority
|
---|
[675] | 686 | }
|
---|
[925] | 687 |
|
---|
[675] | 688 | //-----------------------------------------------------------------------
|
---|
[720] | 689 | bool OcclusionCullingSceneManager::validatePassForRendering(Pass* pass)
|
---|
[675] | 690 | {
|
---|
[868] | 691 | if (NORMAL_RENDER_HACK)
|
---|
| 692 | {
|
---|
| 693 | return SceneManager::validatePassForRendering(pass);
|
---|
| 694 | }
|
---|
| 695 |
|
---|
[675] | 696 | // skip all but first pass if we are doing the depth pass
|
---|
[868] | 697 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
[675] | 698 | {
|
---|
| 699 | return false;
|
---|
| 700 | }
|
---|
[868] | 701 | // all but first pass
|
---|
| 702 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
| 703 | {
|
---|
| 704 | return false;
|
---|
| 705 | }*/
|
---|
[675] | 706 |
|
---|
| 707 | return SceneManager::validatePassForRendering(pass);
|
---|
| 708 | }
|
---|
| 709 | //-----------------------------------------------------------------------
|
---|
[897] | 710 | void OcclusionCullingSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
| 711 | QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 712 | {
|
---|
[868] | 713 | if (NORMAL_RENDER_HACK || !mIsItemBufferPhase)
|
---|
[675] | 714 | {
|
---|
[897] | 715 | TerrainSceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
[675] | 716 | return;
|
---|
| 717 | }
|
---|
[897] | 718 | #ifdef ITEM_BUFFER
|
---|
| 719 | //-- item buffer
|
---|
[868] | 720 | //-- item buffer: render objects using false colors
|
---|
[675] | 721 |
|
---|
| 722 | // Iterate through priorities
|
---|
| 723 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 724 |
|
---|
| 725 | while (groupIt.hasMoreElements())
|
---|
| 726 | {
|
---|
| 727 | RenderItemBuffer(groupIt.getNext());
|
---|
| 728 | }
|
---|
[897] | 729 | #endif // ITEM_BUFFER
|
---|
[675] | 730 | }
|
---|
[897] | 731 | #ifdef ITEM_BUFFER
|
---|
[675] | 732 | //-----------------------------------------------------------------------
|
---|
[720] | 733 | void OcclusionCullingSceneManager::RenderItemBuffer(RenderPriorityGroup* pGroup)
|
---|
[675] | 734 | {
|
---|
| 735 | // Do solids
|
---|
[897] | 736 | QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
|
---|
[675] | 737 |
|
---|
| 738 | // ----- SOLIDS LOOP -----
|
---|
| 739 | RenderPriorityGroup::SolidRenderablePassMap::const_iterator ipass, ipassend;
|
---|
| 740 | ipassend = solidObjs.end();
|
---|
| 741 |
|
---|
| 742 | for (ipass = solidObjs.begin(); ipass != ipassend; ++ipass)
|
---|
| 743 | {
|
---|
| 744 | // Fast bypass if this group is now empty
|
---|
| 745 | if (ipass->second->empty())
|
---|
| 746 | continue;
|
---|
| 747 |
|
---|
[868] | 748 | // Render only first pass of renderable as false color
|
---|
[675] | 749 | if (ipass->first->getIndex() > 0)
|
---|
| 750 | continue;
|
---|
| 751 |
|
---|
| 752 | RenderPriorityGroup::RenderableList* rendList = ipass->second;
|
---|
| 753 |
|
---|
| 754 | RenderPriorityGroup::RenderableList::const_iterator irend, irendend;
|
---|
| 755 | irendend = rendList->end();
|
---|
| 756 |
|
---|
| 757 | for (irend = rendList->begin(); irend != irendend; ++irend)
|
---|
| 758 | {
|
---|
[868] | 759 | if (0)
|
---|
| 760 | {
|
---|
| 761 | std::stringstream d; d << "itembuffer, pass name: " <<
|
---|
| 762 | ipass->first->getParent()->getParent()->getName();
|
---|
| 763 |
|
---|
| 764 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 765 | }
|
---|
[675] | 766 |
|
---|
| 767 | RenderSingleObjectForItemBuffer(*irend, ipass->first);
|
---|
| 768 | }
|
---|
| 769 | }
|
---|
| 770 |
|
---|
[868] | 771 | //-- TRANSPARENT LOOP: must be handled differently from solids
|
---|
[675] | 772 |
|
---|
| 773 | // transparents are treated either as solids or completely discarded
|
---|
| 774 | if (mRenderTransparentsForItemBuffer)
|
---|
| 775 | {
|
---|
[897] | 776 | QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
|
---|
[675] | 777 | RenderPriorityGroup::TransparentRenderablePassList::const_iterator
|
---|
| 778 | itrans, itransend;
|
---|
| 779 |
|
---|
| 780 | itransend = transpObjs.end();
|
---|
| 781 | for (itrans = transpObjs.begin(); itrans != itransend; ++itrans)
|
---|
| 782 | {
|
---|
| 783 | // like for solids, render only first pass
|
---|
| 784 | if (itrans->pass->getIndex() == 0)
|
---|
| 785 | {
|
---|
| 786 | RenderSingleObjectForItemBuffer(itrans->renderable, itrans->pass);
|
---|
| 787 | }
|
---|
| 788 | }
|
---|
| 789 | }
|
---|
| 790 | }
|
---|
| 791 | //-----------------------------------------------------------------------
|
---|
[720] | 792 | void OcclusionCullingSceneManager::RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass)
|
---|
[675] | 793 | {
|
---|
| 794 | static LightList nullLightList;
|
---|
| 795 |
|
---|
| 796 | int col[4];
|
---|
| 797 |
|
---|
| 798 | // -- create color code out of object id
|
---|
| 799 | col[0] = (rend->getId() >> 16) & 255;
|
---|
| 800 | col[1] = (rend->getId() >> 8) & 255;
|
---|
| 801 | col[2] = rend->getId() & 255;
|
---|
| 802 | // col[3] = 255;
|
---|
| 803 |
|
---|
| 804 | //mDestRenderSystem->setColour(col[0], col[1], col[2], col[3]);
|
---|
| 805 |
|
---|
| 806 | mItemBufferPass->setAmbient(ColourValue(col[0] / 255.0f,
|
---|
| 807 | col[1] / 255.0f,
|
---|
| 808 | col[2] / 255.0f, 1));
|
---|
| 809 |
|
---|
| 810 | // set vertex program of current pass
|
---|
| 811 | if (mExecuteVertexProgramForAllPasses && pass->hasVertexProgram())
|
---|
| 812 | {
|
---|
| 813 | mItemBufferPass->setVertexProgram(pass->getVertexProgramName());
|
---|
| 814 |
|
---|
| 815 | if (mItemBufferPass->hasVertexProgram())
|
---|
| 816 | {
|
---|
| 817 | const GpuProgramPtr& prg = mItemBufferPass->getVertexProgram();
|
---|
| 818 | // Load this program if not done already
|
---|
| 819 | if (!prg->isLoaded())
|
---|
| 820 | prg->load();
|
---|
| 821 | // Copy params
|
---|
| 822 | mItemBufferPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
| 823 | }
|
---|
| 824 | }
|
---|
| 825 | else if (mItemBufferPass->hasVertexProgram())
|
---|
| 826 | {
|
---|
| 827 | mItemBufferPass->setVertexProgram("");
|
---|
| 828 | }
|
---|
| 829 |
|
---|
[897] | 830 | const Pass *usedPass = _setPass(mItemBufferPass);
|
---|
[675] | 831 |
|
---|
| 832 |
|
---|
[903] | 833 | // render a single object, this will set up auto params if required
|
---|
[675] | 834 | renderSingleObject(rend, usedPass, false, &nullLightList);
|
---|
| 835 | }
|
---|
[897] | 836 | #endif // ITEM_BUFFER
|
---|
[675] | 837 | //-----------------------------------------------------------------------
|
---|
[720] | 838 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::GetVisibilityManager()
|
---|
[675] | 839 | {
|
---|
| 840 | return mVisibilityManager;
|
---|
| 841 | }
|
---|
| 842 | //-----------------------------------------------------------------------
|
---|
[720] | 843 | void OcclusionCullingSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
[675] | 844 | {
|
---|
| 845 | // reset culling manager stats
|
---|
| 846 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
| 847 |
|
---|
| 848 | // set depth pass flag before rendering
|
---|
| 849 | mIsDepthPassPhase = mUseDepthPass;
|
---|
| 850 |
|
---|
[868] | 851 | mIsHierarchicalCulling = true; // during hierarchical culling
|
---|
| 852 |
|
---|
[675] | 853 | // item buffer needs full ambient lighting to use item colors as unique id
|
---|
| 854 | if (mUseItemBuffer)
|
---|
| 855 | {
|
---|
| 856 | mIsItemBufferPhase = true;
|
---|
| 857 | setAmbientLight(ColourValue(1,1,1,1));
|
---|
| 858 | }
|
---|
| 859 |
|
---|
| 860 |
|
---|
| 861 | // set passes which are stored in render queue
|
---|
| 862 | // for rendering AFTER hierarchical culling, i.e., passes which need
|
---|
| 863 | // a special rendering order
|
---|
[868] | 864 |
|
---|
[675] | 865 | mLeavePassesInQueue = 0;
|
---|
| 866 |
|
---|
[897] | 867 | // if we have the depth pass or use an item buffer, no passes are left in the queue
|
---|
| 868 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
[675] | 869 | {
|
---|
| 870 | if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)
|
---|
| 871 | {
|
---|
| 872 | // TODO: remove this pass because it should be processed during hierarchical culling
|
---|
| 873 | //mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
| 874 |
|
---|
| 875 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DECAL;
|
---|
| 876 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DIFFUSE_SPECULAR;
|
---|
| 877 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
| 878 |
|
---|
[903] | 879 | // just render ambient passes
|
---|
[897] | 880 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
| 881 | // mIlluminationStage = IRS_AMBIENT;
|
---|
[925] | 882 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
[675] | 883 | }
|
---|
| 884 |
|
---|
| 885 | if (mShadowTechnique == SHADOWTYPE_STENCIL_MODULATIVE)
|
---|
| 886 | {
|
---|
| 887 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
| 888 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
| 889 | }
|
---|
| 890 |
|
---|
| 891 | // transparents should be rendered after hierarchical culling to
|
---|
| 892 | // provide front-to-back ordering
|
---|
| 893 | if (mDelayRenderTransparents)
|
---|
| 894 | {
|
---|
| 895 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
| 896 | }
|
---|
| 897 | }
|
---|
| 898 |
|
---|
[868] | 899 | // skip rendering transparents during the hierarchical culling
|
---|
[675] | 900 | // (because they will be rendered afterwards)
|
---|
[868] | 901 | mSkipTransparents =
|
---|
| 902 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
[675] | 903 |
|
---|
| 904 | // -- initialise interface for rendering traversal of the hierarchy
|
---|
| 905 | mHierarchyInterface->SetHierarchyRoot(mOctree);
|
---|
| 906 |
|
---|
| 907 | // possible two cameras (one for culling, one for rendering)
|
---|
| 908 | mHierarchyInterface->InitTraversal(mCameraInProgress,
|
---|
| 909 | mCullCamera ? getCamera("CullCamera") : NULL,
|
---|
| 910 | mLeavePassesInQueue);
|
---|
| 911 |
|
---|
| 912 | }
|
---|
| 913 | //-----------------------------------------------------------------------
|
---|
[720] | 914 | OctreeHierarchyInterface *OcclusionCullingSceneManager::GetHierarchyInterface()
|
---|
[675] | 915 | {
|
---|
| 916 | return mHierarchyInterface;
|
---|
| 917 | }
|
---|
| 918 | //-----------------------------------------------------------------------
|
---|
[720] | 919 | void OcclusionCullingSceneManager::endFrame()
|
---|
[675] | 920 | {
|
---|
| 921 | TerrainRenderable::ResetRenderLevelIndex();
|
---|
| 922 | }
|
---|
| 923 | //-----------------------------------------------------------------------
|
---|
[720] | 924 | Entity* OcclusionCullingSceneManager::createEntity(const String& entityName,
|
---|
[675] | 925 | const String& meshName)
|
---|
| 926 | {
|
---|
| 927 | Entity *ent = SceneManager::createEntity(entityName, meshName);
|
---|
| 928 |
|
---|
| 929 | for (int i = 0; i < (int)ent->getNumSubEntities(); ++i)
|
---|
| 930 | {
|
---|
| 931 | ent->getSubEntity(i)->setId(mCurrentEntityId);
|
---|
| 932 | }
|
---|
| 933 |
|
---|
| 934 | // increase counter of entity id values
|
---|
| 935 | ++ mCurrentEntityId;
|
---|
| 936 |
|
---|
| 937 | return ent;
|
---|
| 938 | }
|
---|
| 939 | //-----------------------------------------------------------------------
|
---|
[897] | 940 | void OcclusionCullingSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
| 941 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 942 | {
|
---|
| 943 | // only render solid passes during hierarchical culling
|
---|
| 944 | if (mIsHierarchicalCulling)
|
---|
| 945 | {
|
---|
| 946 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 947 | LightList lightList;
|
---|
| 948 |
|
---|
| 949 | while (groupIt.hasMoreElements())
|
---|
| 950 | {
|
---|
| 951 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
| 952 |
|
---|
| 953 | // Sort the queue first
|
---|
| 954 | pPriorityGrp->sort(mCameraInProgress);
|
---|
| 955 |
|
---|
| 956 | // Clear light list
|
---|
| 957 | lightList.clear();
|
---|
| 958 |
|
---|
| 959 | // Render all the ambient passes first, no light iteration, no lights
|
---|
[897] | 960 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
| 961 | // mIlluminationStage = IRS_AMBIENT;
|
---|
[675] | 962 |
|
---|
[897] | 963 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
[675] | 964 | // Also render any objects which have receive shadows disabled
|
---|
[897] | 965 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
[903] | 966 | #if 0
|
---|
| 967 | std::stringstream d;
|
---|
| 968 | d << " solid size: " << (int)pPriorityGrp->_getSolidPasses().size()
|
---|
| 969 | << " solid no shadow size: " << (int)pPriorityGrp->_getSolidPassesNoShadow().size()
|
---|
| 970 | << "difspec size: " << (int)pPriorityGrp->_getSolidPassesDiffuseSpecular().size()
|
---|
| 971 | << " decal size: " << (int)pPriorityGrp->_getSolidPassesDecal().size();
|
---|
| 972 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 973 | #endif
|
---|
[675] | 974 | }
|
---|
| 975 | }
|
---|
[903] | 976 | else // render the rest of the passes
|
---|
[675] | 977 | {
|
---|
[897] | 978 | OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
[675] | 979 | }
|
---|
| 980 | }
|
---|
| 981 | //-----------------------------------------------------------------------
|
---|
[897] | 982 | void OcclusionCullingSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
| 983 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
[675] | 984 | {
|
---|
| 985 | if (mIsHierarchicalCulling)
|
---|
| 986 | {
|
---|
| 987 | // Iterate through priorities
|
---|
| 988 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
| 989 |
|
---|
| 990 | while (groupIt.hasMoreElements())
|
---|
| 991 | {
|
---|
| 992 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
| 993 |
|
---|
| 994 | // Sort the queue first
|
---|
| 995 | pPriorityGrp->sort(mCameraInProgress);
|
---|
| 996 |
|
---|
| 997 | // Do (shadowable) solids
|
---|
[897] | 998 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
[675] | 999 | }
|
---|
| 1000 | }
|
---|
| 1001 | else
|
---|
| 1002 | {
|
---|
[931] | 1003 | OctreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
[675] | 1004 | }
|
---|
| 1005 | }
|
---|
[903] | 1006 | //-------------------------------------------------------------------------
|
---|
| 1007 | void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
|
---|
| 1008 | {
|
---|
| 1009 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
[828] | 1010 |
|
---|
[903] | 1011 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
| 1012 | {
|
---|
| 1013 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(*it);
|
---|
| 1014 | Entity *ent = omi->GetMesh();
|
---|
[944] | 1015 |
|
---|
[903] | 1016 | ent->setVisible(visible);
|
---|
| 1017 | }
|
---|
| 1018 | }
|
---|
| 1019 | //-----------------------------------------------------------------------
|
---|
[938] | 1020 | bool OcclusionCullingSceneManager::LoadViewCells(const String &filename)
|
---|
[863] | 1021 | {
|
---|
[938] | 1022 | // objects are set to invisible initially
|
---|
[903] | 1023 | SetObjectsVisible(false);
|
---|
[938] | 1024 |
|
---|
[931] | 1025 | const string bboxesFilename = mVisibilityManager->GetVisibilityEnvironment()->getViewCellsFileName();
|
---|
[903] | 1026 |
|
---|
[938] | 1027 | // converter between view cell ids and Ogre entites
|
---|
[931] | 1028 | GtpVisibilityPreprocessor::IndexedBoundingBoxContainer iboxes;
|
---|
| 1029 | OgreBoundingBoxConverter bconverter(this);
|
---|
| 1030 |
|
---|
[863] | 1031 | // load the view cells assigning the found objects to the pvss
|
---|
[903] | 1032 | mViewCellsManager =
|
---|
[1004] | 1033 | GtpVisibilityPreprocessor::ViewCellsManager::LoadViewCells(filename, &mObjects, false, &bconverter);
|
---|
[903] | 1034 |
|
---|
[938] | 1035 | return (mViewCellsManager != NULL);
|
---|
[863] | 1036 | }
|
---|
[903] | 1037 | //-------------------------------------------------------------------------
|
---|
| 1038 | void OcclusionCullingSceneManager::applyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
| 1039 | const bool load)
|
---|
| 1040 | { // NOTE: should not happen, rather apply view cell representing unbounded space then
|
---|
| 1041 | if (!vc)
|
---|
| 1042 | {
|
---|
| 1043 | // set everything visible for savety
|
---|
| 1044 | SetObjectsVisible(true);
|
---|
[944] | 1045 |
|
---|
[903] | 1046 | return;
|
---|
| 1047 | }
|
---|
[944] | 1048 |
|
---|
[903] | 1049 | GtpVisibilityPreprocessor::ObjectPvsMap::const_iterator oit,
|
---|
| 1050 | oit_end = vc->GetPvs().mEntries.end();
|
---|
| 1051 |
|
---|
| 1052 | //-- PVS of view cell
|
---|
| 1053 | for (oit = vc->GetPvs().mEntries.begin(); oit != oit_end; ++ oit)
|
---|
| 1054 | {
|
---|
| 1055 | if (!(*oit).first) continue;
|
---|
| 1056 |
|
---|
| 1057 | OgreMeshInstance *omi = dynamic_cast<OgreMeshInstance*>((*oit).first);
|
---|
| 1058 | omi->GetMesh()->setVisible(load);
|
---|
[944] | 1059 | //GtpVisibilityPreprocessor::Debug << "assigned id " << omi->GetId() << endl;
|
---|
[863] | 1060 | }
|
---|
| 1061 | }
|
---|
[903] | 1062 | //-------------------------------------------------------------------------
|
---|
| 1063 | void OcclusionCullingSceneManager::updatePvs(Camera *cam)
|
---|
| 1064 | {
|
---|
[938] | 1065 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
| 1066 | return;
|
---|
[863] | 1067 |
|
---|
[938] | 1068 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
| 1069 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
[903] | 1070 |
|
---|
[938] | 1071 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
| 1072 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
[903] | 1073 |
|
---|
[938] | 1074 | // elementary view cell did not change => apply same pvs
|
---|
| 1075 | if (mElementaryViewCell == newElementary)
|
---|
| 1076 | return;
|
---|
[903] | 1077 |
|
---|
[938] | 1078 | mElementaryViewCell = newElementary;
|
---|
[944] | 1079 | //LogManager::getSingleton().logMessage("unloading");
|
---|
[938] | 1080 | //-- unload old pvs
|
---|
| 1081 | applyViewCellPvs(mCurrentViewCell, false);
|
---|
[903] | 1082 |
|
---|
| 1083 |
|
---|
[938] | 1084 | //-- the new view cell
|
---|
[903] | 1085 |
|
---|
[938] | 1086 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
[903] | 1087 |
|
---|
| 1088 |
|
---|
[938] | 1089 | if (mUseVisibilityFilter)
|
---|
| 1090 | {
|
---|
| 1091 | //-- compute new filtered cell
|
---|
| 1092 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
| 1093 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
| 1094 | viewCell = prvs.mViewCell;
|
---|
| 1095 | }
|
---|
| 1096 | else
|
---|
| 1097 | {
|
---|
| 1098 | viewCell = newElementary;
|
---|
| 1099 | }
|
---|
[944] | 1100 | //LogManager::getSingleton().logMessage("loading");
|
---|
[938] | 1101 | //-- load new pvs
|
---|
[944] | 1102 | applyViewCellPvs(viewCell, true);
|
---|
[903] | 1103 |
|
---|
[938] | 1104 | // store pvs
|
---|
| 1105 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
[903] | 1106 |
|
---|
[938] | 1107 | // delete merge tree of filtered view cell
|
---|
| 1108 | if (mUseVisibilityFilter)
|
---|
| 1109 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
[903] | 1110 | }
|
---|
[955] | 1111 | #if 0
|
---|
[951] | 1112 | //-------------------------------------------------------------------------
|
---|
| 1113 | void OcclusionCullingSceneManager::TestVisible(SceneNode *node)
|
---|
| 1114 | {
|
---|
| 1115 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
| 1116 | if (!node->mVisibleChildren)
|
---|
| 1117 | node->setVisible(false);
|
---|
[903] | 1118 |
|
---|
[951] | 1119 | node->getOctant()->mVisibleChildren --;
|
---|
| 1120 | }
|
---|
| 1121 | //-------------------------------------------------------------------------
|
---|
| 1122 | void OcclusionCullingSceneManager::TestVisible(Octree *octant)
|
---|
| 1123 | {
|
---|
| 1124 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
| 1125 | if (!octant->mVisibleChildren)
|
---|
| 1126 | octant->setVisible(false);
|
---|
| 1127 | }
|
---|
[903] | 1128 |
|
---|
[951] | 1129 | //-------------------------------------------------------------------------
|
---|
| 1130 | void OcclusionCullingSceneManager::UpdateVisibility(Entity *ent)
|
---|
| 1131 | {
|
---|
| 1132 | if (!ent->isVisible())
|
---|
| 1133 | {
|
---|
| 1134 | bool visible = TestVisible(ent->getParentNode());
|
---|
| 1135 |
|
---|
| 1136 | if (!visible)
|
---|
| 1137 | visible = TestVisible(octant->getParentNode());
|
---|
[903] | 1138 |
|
---|
[951] | 1139 | if (!visible)
|
---|
| 1140 | mHierarchyInterface->pullupVisibility();
|
---|
| 1141 | }
|
---|
| 1142 | }
|
---|
[955] | 1143 | #endif
|
---|
[903] | 1144 | //-----------------------------------------------------------------------
|
---|
| 1145 | const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
|
---|
| 1146 | //-----------------------------------------------------------------------
|
---|
| 1147 | void OcclusionCullingSceneManagerFactory::initMetaData(void) const
|
---|
| 1148 | {
|
---|
| 1149 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
| 1150 | mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
|
---|
| 1151 | mMetaData.sceneTypeMask = 0xFFFF; // support all types
|
---|
| 1152 | mMetaData.worldGeometrySupported = false;
|
---|
| 1153 | }
|
---|
| 1154 | //-----------------------------------------------------------------------
|
---|
[925] | 1155 | SceneManager *OcclusionCullingSceneManagerFactory::createInstance(
|
---|
| 1156 | const String& instanceName)
|
---|
[903] | 1157 | {
|
---|
[925] | 1158 | OcclusionCullingSceneManager* tsm = new OcclusionCullingSceneManager(instanceName, visManager);
|
---|
| 1159 |
|
---|
| 1160 | // Create & register default sources (one per manager)
|
---|
| 1161 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource();
|
---|
| 1162 | mTerrainPageSources.push_back(ps);
|
---|
| 1163 | tsm->registerPageSource("Heightmap", ps);
|
---|
| 1164 |
|
---|
| 1165 | return tsm;
|
---|
[903] | 1166 | }
|
---|
| 1167 | //-----------------------------------------------------------------------
|
---|
| 1168 | void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
| 1169 | {
|
---|
| 1170 | delete instance;
|
---|
| 1171 | }
|
---|
| 1172 |
|
---|
[675] | 1173 | } // namespace Ogre
|
---|