1 | #include "OgreOcclusionCullingSceneManager.h"
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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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11 | #include <OgreMaterialManager.h>
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12 | #include <OgreIteratorWrappers.h>
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13 | #include <OgreHeightmapTerrainPageSource.h>
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14 | #include "VspBspTree.h"
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15 | #include "Containers.h"
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16 | #include "ViewCellsManager.h"
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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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21 | #include "OgreBoundingBoxConverter.h"
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22 |
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23 | // normal terrain rendering
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24 | const static NORMAL_RENDER_HACK = false;
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25 |
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26 | namespace Ogre {
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27 |
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28 | //-----------------------------------------------------------------------
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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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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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42 | //mUseItemBuffer(true),
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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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48 | //mExecuteVertexProgramForAllPasses(true),
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49 | mExecuteVertexProgramForAllPasses(false),
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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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56 | {
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57 | mHierarchyInterface = new OctreeHierarchyInterface(this, mDestRenderSystem);
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58 |
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59 | if (0)
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60 | {
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61 | mDisplayNodes = true;
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62 | mShowBoundingBoxes = true;
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63 | mShowBoxes = true;
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64 | }
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65 |
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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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70 | void OcclusionCullingSceneManager::InitDepthPass()
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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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91 | OcclusionCullingSceneManager::~OcclusionCullingSceneManager()
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92 | {
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93 | OGRE_DELETE(mHierarchyInterface);
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94 | CLEAR_CONTAINER(mObjects);
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95 | OGRE_DELETE(mCurrentViewCell);
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96 | }
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97 | //-----------------------------------------------------------------------
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98 | void OcclusionCullingSceneManager::InitItemBufferPass()
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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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121 | //-------------------------------------------------------------------------
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122 | #if 1
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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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135 | loadConfig(stream);
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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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152 | #endif
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153 | //-----------------------------------------------------------------------
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154 | void OcclusionCullingSceneManager::PrepareVisualization(Camera *cam)
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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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169 | // add bounding boxes of rendered objects
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170 | if (0)
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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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175 |
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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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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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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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200 | // add renderables itself
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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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209 | const Pass *OcclusionCullingSceneManager::_setPass(Pass* pass)
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210 | {
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211 | if (NORMAL_RENDER_HACK)
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212 | {
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213 | return SceneManager::_setPass(pass);
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214 | }
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215 |
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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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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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224 |
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225 |
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226 | const IlluminationRenderStage savedStage = mIlluminationStage;
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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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236 | if (mExecuteVertexProgramForAllPasses &&
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237 | mIsDepthPassPhase &&
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238 | pass->hasVertexProgram())
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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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253 | else if (mDepthPass->hasVertexProgram()) // reset vertex program
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254 | {
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255 | mDepthPass->setVertexProgram("");
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256 | }
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257 |
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258 | // save old depth write: needed for item buffer
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259 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
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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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268 |
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269 | //-- set actual pass here
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270 | const Pass *result = SceneManager::_setPass(usedPass);
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271 |
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272 |
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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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285 | void OcclusionCullingSceneManager::_findVisibleObjects(Camera* cam,
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286 | bool onlyShadowCasters)
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287 | {
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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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294 |
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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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310 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
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311 | }
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312 |
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313 | // only shadow casters will be rendered in shadow texture pass
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314 | if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
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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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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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327 | void OcclusionCullingSceneManager::_renderVisibleObjects()
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328 | {
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329 | if (NORMAL_RENDER_HACK)
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330 | {
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331 | OctreeSceneManager::_renderVisibleObjects();
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332 |
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333 | return;
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334 | }
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335 |
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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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351 | {
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352 | // disable illumination stage to prevent rendering shadows
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353 | mIlluminationStage = IRS_NONE;
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354 | }
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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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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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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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395 |
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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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399 |
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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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404 |
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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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414 | // delete remaining renderables from queue:
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415 | // all which are not in mLeavePassesInQueue)
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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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424 | mIsHierarchicalCulling = false;
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425 |
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426 | mLeavePassesInQueue = 0;
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427 |
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428 | #if 1
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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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432 | NodeList::const_iterator it, it_end = mVisible.end();
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433 |
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434 | //getRenderQueue()->clear();
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435 | for (it = mVisible.begin(); it != it_end; ++ it)
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436 | {
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437 | (*it)->_addToRenderQueue(mCameraInProgress, getRenderQueue(), false);
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438 | }
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439 | }
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440 | #endif
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441 | //-- now we can render all remaining queue objects
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442 | //-- used for depth pass, transparents, overlay
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443 | clearSpecialCaseRenderQueues();
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444 |
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445 | TerrainSceneManager::_renderVisibleObjects();
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446 | } // hierarchical culling
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447 |
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448 | // HACK: set the new render level index, important to avoid cracks
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449 | // in terrain caused by LOD
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450 | TerrainRenderable::NextRenderLevelIndex();
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451 |
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452 | // reset ambient light
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453 | setAmbientLight(savedAmbient);
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454 |
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455 | getRenderQueue()->clear(); // finally clear render queue
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456 | if (0) OGRE_DELETE(mRenderQueue); // HACK: should rather only be cleared ...
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457 |
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458 | if (0) WriteLog(); // write out stats
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459 | }
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460 |
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461 | //-----------------------------------------------------------------------
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462 | void OcclusionCullingSceneManager::_updateSceneGraph(Camera* cam)
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463 | {
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464 | if (NORMAL_RENDER_HACK)
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465 | {
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466 | OctreeSceneManager::_updateSceneGraph(cam);
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467 | return;
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468 | }
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469 |
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470 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
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471 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
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472 |
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473 | TerrainSceneManager::_updateSceneGraph(cam);
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474 | }
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475 | //-----------------------------------------------------------------------
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476 | bool OcclusionCullingSceneManager::setOption(const String & key, const void * val)
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477 | {
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478 | if (key == "UseDepthPass")
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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 | }
|
---|
549 | if (key == "LoadViewCells")
|
---|
550 | {
|
---|
551 | if (!mViewCellsLoaded)
|
---|
552 | {
|
---|
553 | String filename(static_cast<const char *>(val));
|
---|
554 | mViewCellsLoaded = LoadViewCells(filename);
|
---|
555 | }
|
---|
556 |
|
---|
557 | return mViewCellsLoaded;
|
---|
558 | }
|
---|
559 | if (key == "UseViewCells")
|
---|
560 | {
|
---|
561 | if (mViewCellsLoaded)
|
---|
562 | {
|
---|
563 | mUseViewCells = *static_cast<const bool *>(val);
|
---|
564 |
|
---|
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 |
|
---|
577 | return true;
|
---|
578 | }
|
---|
579 | if (key == "UseVisibilityFilter")
|
---|
580 | {
|
---|
581 | mUseVisibilityFilter = *static_cast<const bool *>(val);
|
---|
582 | // set null =>recomputation of the pvs
|
---|
583 | mElementaryViewCell = NULL;
|
---|
584 | return true;
|
---|
585 | }
|
---|
586 |
|
---|
587 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
588 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
|
---|
589 | }
|
---|
590 | //-----------------------------------------------------------------------
|
---|
591 | bool OcclusionCullingSceneManager::getOption(const String & key, void *val)
|
---|
592 | {
|
---|
593 | if (key == "NumHierarchyNodes")
|
---|
594 | {
|
---|
595 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctants;
|
---|
596 | return true;
|
---|
597 | }
|
---|
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 |
|
---|
611 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
612 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
|
---|
613 | }
|
---|
614 | //-----------------------------------------------------------------------
|
---|
615 | bool OcclusionCullingSceneManager::getOptionValues(const String & key,
|
---|
616 | StringVector &refValueList)
|
---|
617 | {
|
---|
618 | return TerrainSceneManager::getOptionValues( key, refValueList);
|
---|
619 | }
|
---|
620 | //-----------------------------------------------------------------------
|
---|
621 | bool OcclusionCullingSceneManager::getOptionKeys(StringVector & refKeys)
|
---|
622 | {
|
---|
623 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
624 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
|
---|
625 | }
|
---|
626 | //-----------------------------------------------------------------------
|
---|
627 | void OcclusionCullingSceneManager::setVisibilityManager(GtpVisibility::
|
---|
628 | VisibilityManager *visManager)
|
---|
629 | {
|
---|
630 | mVisibilityManager = visManager;
|
---|
631 | }
|
---|
632 | //-----------------------------------------------------------------------
|
---|
633 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::getVisibilityManager( void )
|
---|
634 | {
|
---|
635 | return mVisibilityManager;
|
---|
636 | }
|
---|
637 | //-----------------------------------------------------------------------
|
---|
638 | void OcclusionCullingSceneManager::WriteLog()
|
---|
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() << ", "
|
---|
651 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
652 | << "Found objects: " << (int)mVisible.size() << "\n";
|
---|
653 |
|
---|
654 | LogManager::getSingleton().logMessage(d.str());
|
---|
655 | }
|
---|
656 | //-----------------------------------------------------------------------
|
---|
657 | void OcclusionCullingSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
658 | QueuedRenderableCollection::OrganisationMode om)
|
---|
659 | {
|
---|
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
|
---|
686 | }
|
---|
687 |
|
---|
688 | //-----------------------------------------------------------------------
|
---|
689 | bool OcclusionCullingSceneManager::validatePassForRendering(Pass* pass)
|
---|
690 | {
|
---|
691 | if (NORMAL_RENDER_HACK)
|
---|
692 | {
|
---|
693 | return SceneManager::validatePassForRendering(pass);
|
---|
694 | }
|
---|
695 |
|
---|
696 | // skip all but first pass if we are doing the depth pass
|
---|
697 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
698 | {
|
---|
699 | return false;
|
---|
700 | }
|
---|
701 | // all but first pass
|
---|
702 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
703 | {
|
---|
704 | return false;
|
---|
705 | }*/
|
---|
706 |
|
---|
707 | return SceneManager::validatePassForRendering(pass);
|
---|
708 | }
|
---|
709 | //-----------------------------------------------------------------------
|
---|
710 | void OcclusionCullingSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
711 | QueuedRenderableCollection::OrganisationMode om)
|
---|
712 | {
|
---|
713 | if (NORMAL_RENDER_HACK || !mIsItemBufferPhase)
|
---|
714 | {
|
---|
715 | TerrainSceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
716 | return;
|
---|
717 | }
|
---|
718 | #ifdef ITEM_BUFFER
|
---|
719 | //-- item buffer
|
---|
720 | //-- item buffer: render objects using false colors
|
---|
721 |
|
---|
722 | // Iterate through priorities
|
---|
723 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
724 |
|
---|
725 | while (groupIt.hasMoreElements())
|
---|
726 | {
|
---|
727 | RenderItemBuffer(groupIt.getNext());
|
---|
728 | }
|
---|
729 | #endif // ITEM_BUFFER
|
---|
730 | }
|
---|
731 | #ifdef ITEM_BUFFER
|
---|
732 | //-----------------------------------------------------------------------
|
---|
733 | void OcclusionCullingSceneManager::RenderItemBuffer(RenderPriorityGroup* pGroup)
|
---|
734 | {
|
---|
735 | // Do solids
|
---|
736 | QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
|
---|
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 |
|
---|
748 | // Render only first pass of renderable as false color
|
---|
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 | {
|
---|
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 | }
|
---|
766 |
|
---|
767 | RenderSingleObjectForItemBuffer(*irend, ipass->first);
|
---|
768 | }
|
---|
769 | }
|
---|
770 |
|
---|
771 | //-- TRANSPARENT LOOP: must be handled differently from solids
|
---|
772 |
|
---|
773 | // transparents are treated either as solids or completely discarded
|
---|
774 | if (mRenderTransparentsForItemBuffer)
|
---|
775 | {
|
---|
776 | QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
|
---|
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 | //-----------------------------------------------------------------------
|
---|
792 | void OcclusionCullingSceneManager::RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass)
|
---|
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 |
|
---|
830 | const Pass *usedPass = _setPass(mItemBufferPass);
|
---|
831 |
|
---|
832 |
|
---|
833 | // render a single object, this will set up auto params if required
|
---|
834 | renderSingleObject(rend, usedPass, false, &nullLightList);
|
---|
835 | }
|
---|
836 | #endif // ITEM_BUFFER
|
---|
837 | //-----------------------------------------------------------------------
|
---|
838 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::GetVisibilityManager()
|
---|
839 | {
|
---|
840 | return mVisibilityManager;
|
---|
841 | }
|
---|
842 | //-----------------------------------------------------------------------
|
---|
843 | void OcclusionCullingSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
844 | {
|
---|
845 | // reset culling manager stats
|
---|
846 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
847 |
|
---|
848 | // set depth pass flag before rendering
|
---|
849 | mIsDepthPassPhase = mUseDepthPass;
|
---|
850 |
|
---|
851 | mIsHierarchicalCulling = true; // during hierarchical culling
|
---|
852 |
|
---|
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
|
---|
864 |
|
---|
865 | mLeavePassesInQueue = 0;
|
---|
866 |
|
---|
867 | // if we have the depth pass or use an item buffer, no passes are left in the queue
|
---|
868 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
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 |
|
---|
879 | // just render ambient passes
|
---|
880 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
881 | // mIlluminationStage = IRS_AMBIENT;
|
---|
882 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
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 |
|
---|
899 | // skip rendering transparents during the hierarchical culling
|
---|
900 | // (because they will be rendered afterwards)
|
---|
901 | mSkipTransparents =
|
---|
902 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
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 | //-----------------------------------------------------------------------
|
---|
914 | OctreeHierarchyInterface *OcclusionCullingSceneManager::GetHierarchyInterface()
|
---|
915 | {
|
---|
916 | return mHierarchyInterface;
|
---|
917 | }
|
---|
918 | //-----------------------------------------------------------------------
|
---|
919 | void OcclusionCullingSceneManager::endFrame()
|
---|
920 | {
|
---|
921 | TerrainRenderable::ResetRenderLevelIndex();
|
---|
922 | }
|
---|
923 | //-----------------------------------------------------------------------
|
---|
924 | Entity* OcclusionCullingSceneManager::createEntity(const String& entityName,
|
---|
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 | //-----------------------------------------------------------------------
|
---|
940 | void OcclusionCullingSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
941 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
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
|
---|
960 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
961 | // mIlluminationStage = IRS_AMBIENT;
|
---|
962 |
|
---|
963 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
964 | // Also render any objects which have receive shadows disabled
|
---|
965 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
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
|
---|
974 | }
|
---|
975 | }
|
---|
976 | else // render the rest of the passes
|
---|
977 | {
|
---|
978 | OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
979 | }
|
---|
980 | }
|
---|
981 | //-----------------------------------------------------------------------
|
---|
982 | void OcclusionCullingSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
983 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
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
|
---|
998 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
999 | }
|
---|
1000 | }
|
---|
1001 | else
|
---|
1002 | {
|
---|
1003 | OctreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1004 | }
|
---|
1005 | }
|
---|
1006 | //-------------------------------------------------------------------------
|
---|
1007 | void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
|
---|
1008 | {
|
---|
1009 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
1010 |
|
---|
1011 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
1012 | {
|
---|
1013 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(*it);
|
---|
1014 | Entity *ent = omi->GetMesh();
|
---|
1015 |
|
---|
1016 | ent->setVisible(visible);
|
---|
1017 | }
|
---|
1018 | }
|
---|
1019 | //-----------------------------------------------------------------------
|
---|
1020 | bool OcclusionCullingSceneManager::LoadViewCells(const String &filename)
|
---|
1021 | {
|
---|
1022 | // objects are set to invisible initially
|
---|
1023 | SetObjectsVisible(false);
|
---|
1024 |
|
---|
1025 | const string bboxesFilename = mVisibilityManager->GetVisibilityEnvironment()->getViewCellsFileName();
|
---|
1026 |
|
---|
1027 | // converter between view cell ids and Ogre entites
|
---|
1028 | GtpVisibilityPreprocessor::IndexedBoundingBoxContainer iboxes;
|
---|
1029 | OgreBoundingBoxConverter bconverter(this);
|
---|
1030 |
|
---|
1031 |
|
---|
1032 | GtpVisibilityPreprocessor::Environment *env =
|
---|
1033 | mVisibilityManager->GetVisibilityEnvironment()->GetPreprocessorEnvironment();
|
---|
1034 |
|
---|
1035 | // load the view cells assigning the found objects to the pvss
|
---|
1036 | mViewCellsManager =
|
---|
1037 | GtpVisibilityPreprocessor::ViewCellsManager::LoadViewCells(filename, &mObjects, env, false, &bconverter);
|
---|
1038 |
|
---|
1039 | if (!mViewCellsManager)
|
---|
1040 | {
|
---|
1041 | std::stringstream d;
|
---|
1042 | d << "error loading view cells" << endl;
|
---|
1043 | LogManager::getSingleton().logMessage(d.str());
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 | return (mViewCellsManager != NULL);
|
---|
1047 | }
|
---|
1048 | //-------------------------------------------------------------------------
|
---|
1049 | void OcclusionCullingSceneManager::applyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
1050 | const bool load)
|
---|
1051 | { // NOTE: should not happen, rather apply view cell representing unbounded space then
|
---|
1052 | if (!vc)
|
---|
1053 | {
|
---|
1054 | // set everything visible for savety
|
---|
1055 | SetObjectsVisible(true);
|
---|
1056 |
|
---|
1057 | return;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | GtpVisibilityPreprocessor::ObjectPvsMap::const_iterator oit,
|
---|
1061 | oit_end = vc->GetPvs().mEntries.end();
|
---|
1062 |
|
---|
1063 | //-- PVS of view cell
|
---|
1064 | for (oit = vc->GetPvs().mEntries.begin(); oit != oit_end; ++ oit)
|
---|
1065 | {
|
---|
1066 | if (!(*oit).first) continue;
|
---|
1067 |
|
---|
1068 | OgreMeshInstance *omi = dynamic_cast<OgreMeshInstance*>((*oit).first);
|
---|
1069 | omi->GetMesh()->setVisible(load);
|
---|
1070 | //GtpVisibilityPreprocessor::Debug << "assigned id " << omi->GetId() << endl;
|
---|
1071 | }
|
---|
1072 | }
|
---|
1073 | //-------------------------------------------------------------------------
|
---|
1074 | void OcclusionCullingSceneManager::updatePvs(Camera *cam)
|
---|
1075 | {
|
---|
1076 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
1077 | return;
|
---|
1078 |
|
---|
1079 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
1080 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
1081 |
|
---|
1082 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
1083 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
1084 |
|
---|
1085 | // elementary view cell did not change => apply same pvs
|
---|
1086 | if (mElementaryViewCell == newElementary)
|
---|
1087 | return;
|
---|
1088 |
|
---|
1089 | mElementaryViewCell = newElementary;
|
---|
1090 | //LogManager::getSingleton().logMessage("unloading");
|
---|
1091 | //-- unload old pvs
|
---|
1092 | applyViewCellPvs(mCurrentViewCell, false);
|
---|
1093 |
|
---|
1094 |
|
---|
1095 | //-- the new view cell
|
---|
1096 |
|
---|
1097 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
1098 |
|
---|
1099 |
|
---|
1100 | if (mUseVisibilityFilter)
|
---|
1101 | {
|
---|
1102 | //-- compute new filtered cell
|
---|
1103 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
1104 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
1105 | viewCell = prvs.mViewCell;
|
---|
1106 | }
|
---|
1107 | else
|
---|
1108 | {
|
---|
1109 | viewCell = newElementary;
|
---|
1110 | }
|
---|
1111 | //LogManager::getSingleton().logMessage("loading");
|
---|
1112 | //-- load new pvs
|
---|
1113 | applyViewCellPvs(viewCell, true);
|
---|
1114 |
|
---|
1115 | // store pvs
|
---|
1116 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
1117 |
|
---|
1118 | // delete merge tree of filtered view cell
|
---|
1119 | if (mUseVisibilityFilter)
|
---|
1120 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
1121 | }
|
---|
1122 | //-------------------------------------------------------------------------
|
---|
1123 | void OcclusionCullingSceneManager::TestVisible(SceneNode *node)
|
---|
1124 | {
|
---|
1125 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1126 | if (!node->mVisibleChildren)
|
---|
1127 | node->setVisible(false);
|
---|
1128 |
|
---|
1129 | node->getOctant()->mVisibleChildren --;
|
---|
1130 | }
|
---|
1131 | //-------------------------------------------------------------------------
|
---|
1132 | void OcclusionCullingSceneManager::TestVisible(Octree *octant)
|
---|
1133 | {
|
---|
1134 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1135 | if (!octant->mVisibleChildren)
|
---|
1136 | octant->setVisible(false);
|
---|
1137 | }
|
---|
1138 |
|
---|
1139 | //-------------------------------------------------------------------------
|
---|
1140 | void OcclusionCullingSceneManager::UpdateVisibility(Entity *ent)
|
---|
1141 | {
|
---|
1142 | if (!ent->isVisible())
|
---|
1143 | {
|
---|
1144 | bool visible = TestVisible(ent->getParentNode());
|
---|
1145 |
|
---|
1146 | if (!visible)
|
---|
1147 | visible = TestVisible(octant->getParentNode());
|
---|
1148 |
|
---|
1149 | if (!visible)
|
---|
1150 | mHierarchyInterface->pullupVisibility();
|
---|
1151 | }
|
---|
1152 | }
|
---|
1153 |
|
---|
1154 |
|
---|
1155 | //-----------------------------------------------------------------------
|
---|
1156 | const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
|
---|
1157 | //-----------------------------------------------------------------------
|
---|
1158 | void OcclusionCullingSceneManagerFactory::initMetaData(void) const
|
---|
1159 | {
|
---|
1160 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
1161 | mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
|
---|
1162 | mMetaData.sceneTypeMask = 0xFFFF; // support all types
|
---|
1163 | mMetaData.worldGeometrySupported = false;
|
---|
1164 | }
|
---|
1165 | //-----------------------------------------------------------------------
|
---|
1166 | SceneManager *OcclusionCullingSceneManagerFactory::createInstance(
|
---|
1167 | const String& instanceName)
|
---|
1168 | {
|
---|
1169 | OcclusionCullingSceneManager* tsm = new OcclusionCullingSceneManager(instanceName, visManager);
|
---|
1170 |
|
---|
1171 | // Create & register default sources (one per manager)
|
---|
1172 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource();
|
---|
1173 | mTerrainPageSources.push_back(ps);
|
---|
1174 | tsm->registerPageSource("Heightmap", ps);
|
---|
1175 |
|
---|
1176 | return tsm;
|
---|
1177 | }
|
---|
1178 | //-----------------------------------------------------------------------
|
---|
1179 | void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
1180 | {
|
---|
1181 | delete instance;
|
---|
1182 | }
|
---|
1183 |
|
---|
1184 | } // namespace Ogre
|
---|