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 | #include <OgreManualObject.h>
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23 | #include "IntersectableWrapper.h"
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24 | #include "IVReader.h"
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25 | #include "ObjReader.h"
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26 | #include "OgreOcclusionQueriesQueryManager.h"
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27 |
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28 |
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29 | namespace Ogre {
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30 |
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31 | //-----------------------------------------------------------------------
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32 | OcclusionCullingSceneManager::OcclusionCullingSceneManager(
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33 | const String& name,
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34 | GtpVisibility::VisibilityManager *visManager):
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35 | TerrainSceneManager(name),
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36 | mVisibilityManager(visManager),
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37 | mShowVisualization(false),
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38 | mRenderNodesForViz(false),
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39 | mRenderNodesContentForViz(false),
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40 | mVisualizeCulledNodes(false),
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41 | mLeavePassesInQueue(0),
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42 | mDelayRenderTransparents(true),
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43 | mUseDepthPass(false),
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44 | mIsDepthPassPhase(false),
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45 | mUseItemBuffer(false),
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46 | mIsItemBufferPhase(false),
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47 | mCurrentEntityId(1),
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48 | mEnableDepthWrite(true),
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49 | mSkipTransparents(false),
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50 | mRenderTransparentsForItemBuffer(true),
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51 | mExecuteVertexProgramForAllPasses(false),
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52 | mIsHierarchicalCulling(false),
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53 | mViewCellsLoaded(false),
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54 | mUseViewCells(false),
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55 | mUseVisibilityFilter(false),
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56 | mCurrentViewCell(NULL),
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57 | mElementaryViewCell(NULL),
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58 | mDeleteQueueAfterRendering(true),
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59 | mNormalExecution(false),
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60 | mShowViewCells(false),
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61 | mViewCellsGeometryLoaded(false),
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62 | mShowTerrain(false),
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63 | mViewCellsFilename(""),
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64 | mFilename("terrain"),
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65 | mFlushRate(10),
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66 | mCurrentFrame(0)
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67 | {
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68 | Ogre::LogManager::getSingleton().
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69 | logMessage("creating occlusion culling scene manager");
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70 |
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71 | mHierarchyInterface = new OctreeHierarchyInterface(this, mDestRenderSystem);
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72 |
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73 | if (0)
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74 | {
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75 | mDisplayNodes = true;
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76 | mShowBoundingBoxes = true;
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77 | mShowBoxes = true;
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78 | }
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79 |
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80 | // TODO: set maxdepth to reasonable value
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81 | mMaxDepth = 50;
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82 |
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83 | mObjReader = new ObjReader(this);
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84 | }
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85 | //-----------------------------------------------------------------------
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86 | void OcclusionCullingSceneManager::InitDepthPass()
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87 | {
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88 | MaterialPtr depthMat =
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89 | MaterialManager::getSingleton().getByName("Visibility/DepthPass");
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90 |
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91 | if (depthMat.isNull())
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92 | {
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93 | depthMat = MaterialManager::getSingleton().create(
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94 | "Visibility/DepthPass",
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95 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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96 |
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97 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
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98 | mDepthPass->setColourWriteEnabled(false);
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99 | mDepthPass->setDepthWriteEnabled(true);
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100 | mDepthPass->setLightingEnabled(false);
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101 | }
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102 | else
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103 | {
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104 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
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105 | }
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106 | }
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107 | //-----------------------------------------------------------------------
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108 | OcclusionCullingSceneManager::~OcclusionCullingSceneManager()
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109 | {
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110 | OGRE_DELETE(mHierarchyInterface);
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111 | CLEAR_CONTAINER(mObjects);
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112 | OGRE_DELETE(mCurrentViewCell);
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113 |
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114 | OGRE_DELETE(mObjReader);
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115 | }
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116 | //-----------------------------------------------------------------------
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117 | void OcclusionCullingSceneManager::InitItemBufferPass()
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118 | {
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119 | MaterialPtr itemBufferMat = MaterialManager::getSingleton().
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120 | getByName("Visibility/ItemBufferPass");
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121 |
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122 | if (itemBufferMat.isNull())
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123 | {
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124 | // Init
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125 | itemBufferMat =
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126 | MaterialManager::getSingleton().create("Visibility/ItemBufferPass",
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127 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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128 |
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129 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
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130 | mItemBufferPass->setColourWriteEnabled(true);
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131 | mItemBufferPass->setDepthWriteEnabled(true);
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132 | mItemBufferPass->setLightingEnabled(true);
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133 | //mItemBufferPass->setLightingEnabled(false);
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134 | }
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135 | else
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136 | {
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137 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
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138 | }
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139 | //mItemBufferPass->setAmbient(1, 1, 0);
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140 | }
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141 | //-------------------------------------------------------------------------
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142 | #if 1
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143 | void OcclusionCullingSceneManager::setWorldGeometry(DataStreamPtr& stream,
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144 | const String& typeName)
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145 | {
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146 | // Clear out any existing world resources (if not default)
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147 | if (ResourceGroupManager::getSingleton().getWorldResourceGroupName() !=
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148 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME)
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149 | {
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150 | ResourceGroupManager::getSingleton().clearResourceGroup(
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151 | ResourceGroupManager::getSingleton().getWorldResourceGroupName());
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152 | }
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153 |
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154 | destroyLevelIndexes();
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155 | mTerrainPages.clear();
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156 |
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157 | // Load the configuration
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158 | loadConfig(stream);
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159 |
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160 | //////////////
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161 | // file loading
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162 |
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163 | // load the scene
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164 | LoadScene(mFilename, mViewCellsFilename);
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165 |
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166 | // load view cells: load later ...
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167 | if (0) mViewCellsLoaded = LoadViewCells(mViewCellsFilename);
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168 |
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169 | if (mShowTerrain)
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170 | {
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171 | initLevelIndexes();
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172 |
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173 | // Resize the octree, allow for 1 page for now
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174 | float max_x = mOptions.scale.x * mOptions.pageSize;
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175 | float max_y = mOptions.scale.y;// * mOptions.pageSize;
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176 | float max_z = mOptions.scale.z * mOptions.pageSize;
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177 |
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178 | float maxAxis = std::max(max_x, max_y);
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179 | maxAxis = std::max(maxAxis, max_z);
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180 | resize(AxisAlignedBox( 0, 0, 0, maxAxis, maxAxis, maxAxis));
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181 | //resize(AxisAlignedBox( 0, 0, 0, max_x, max_y, max_z ));
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182 |
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183 | setupTerrainMaterial();
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184 | setupTerrainPages();
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185 | }
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186 | }
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187 | #endif
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188 |
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189 | //-------------------------------------------------------------------------
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190 | void OcclusionCullingSceneManager::loadConfig(DataStreamPtr& stream)
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191 | {
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192 | // Set up the options
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193 | ConfigFile config;
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194 | String val;
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195 |
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196 | LogManager::getSingleton().
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197 | logMessage("****** OcclusionCullingSceneManager Options ********");
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198 | config.load(stream);
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199 |
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200 | std::stringstream d;
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201 |
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202 | val = config.getSetting("DepthPass");
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203 |
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204 | if (!val.empty())
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205 | {
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206 | mUseDepthPass = atoi(val.c_str());
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207 | }
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208 |
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209 | if (mUseDepthPass)
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210 | LogManager::getSingleton().logMessage("using depth");
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211 | else
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212 | LogManager::getSingleton().logMessage("not using depth");
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213 |
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214 | val = config.getSetting("FlushQueue");
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215 |
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216 | if (!val.empty())
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217 | {
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218 | mDeleteQueueAfterRendering = atoi(val.c_str());
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219 | }
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220 |
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221 | if (mDeleteQueueAfterRendering)
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222 | LogManager::getSingleton().logMessage("flushing queue");
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223 | else
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224 | LogManager::getSingleton().logMessage("not flushing queue");
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225 |
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226 | val = config.getSetting("Scene");
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227 |
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228 | if (!val.empty())
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229 | {
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230 | mFilename = val.c_str();
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231 |
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232 | // load terrain instead of scene
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233 | if (mFilename == "terrain")
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234 | {
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235 | mShowTerrain = true;
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236 | LogManager::getSingleton().logMessage("loading terrain");
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237 | }
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238 | else
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239 | {
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240 | mShowTerrain = false;
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241 | LogManager::getSingleton().logMessage("loading geometry");
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242 | }
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243 | }
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244 |
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245 | if (!mShowTerrain)
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246 | {
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247 | val = config.getSetting("ViewCells");
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248 |
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249 | if (!val.empty())
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250 | {
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251 | mViewCellsFilename = val;
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252 | }
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253 | }
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254 |
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255 | val = config.getSetting("OnlineCullingAlgorithm");
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256 |
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257 | if (!val.empty())
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258 | {
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259 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm;
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260 |
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261 | if (val == "CHC")
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262 | {
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263 | algorithm =
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264 | GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING;
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265 | }
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266 | else if (val == "SWC")
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267 | {
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268 | algorithm =
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269 | GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING;
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270 | }
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271 | else if (val == "VFC")
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272 | {
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273 | algorithm =
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274 | GtpVisibility::VisibilityEnvironment::FRUSTUM_CULLING;
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275 | }
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276 | else // default rendering
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277 | {
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278 | algorithm =
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279 | GtpVisibility::VisibilityEnvironment::NUM_CULLING_MANAGERS;
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280 |
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281 | mNormalExecution = true;
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282 | }
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283 |
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284 | mVisibilityManager->SetCullingManager(algorithm);
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285 |
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286 | d << "setting algorithm to: " << algorithm;
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287 | LogManager::getSingleton().logMessage(d.str());
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288 | }
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289 |
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290 | /////////////
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291 | // terrain options
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292 |
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293 | if (!mShowTerrain)
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294 | return;
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295 |
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296 | val = config.getSetting("DetailTile");
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297 | if (!val.empty())
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298 | setDetailTextureRepeat(atoi(val.c_str()));
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299 |
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300 | val = config.getSetting("MaxMipMapLevel");
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301 | if (!val.empty())
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302 | setMaxGeoMipMapLevel(atoi(val.c_str()));
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303 |
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304 |
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305 | val = config.getSetting("PageSize");
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306 | if (!val.empty())
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307 | setPageSize(atoi(val.c_str()));
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308 | else
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309 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSize'",
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310 | "TerrainSceneManager::loadConfig");
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311 |
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312 |
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313 | val = config.getSetting("TileSize");
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314 | if (!val.empty())
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315 | setTileSize(atoi(val.c_str()));
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316 | else
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317 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'TileSize'",
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318 | "TerrainSceneManager::loadConfig");
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319 |
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320 | Vector3 v = Vector3::UNIT_SCALE;
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321 |
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322 | val = config.getSetting( "PageWorldX" );
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323 | if ( !val.empty() )
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324 | v.x = atof( val.c_str() );
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325 |
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326 | val = config.getSetting( "MaxHeight" );
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327 | if ( !val.empty() )
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328 | v.y = atof( val.c_str() );
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329 |
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330 | val = config.getSetting( "PageWorldZ" );
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331 | if ( !val.empty() )
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332 | v.z = atof( val.c_str() );
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333 |
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334 | // Scale x/z relative to pagesize
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335 | v.x /= mOptions.pageSize;
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336 | v.z /= mOptions.pageSize;
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337 | setScale(v);
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338 |
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339 | val = config.getSetting( "MaxPixelError" );
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340 | if ( !val.empty() )
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341 | setMaxPixelError(atoi( val.c_str() ));
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342 |
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343 | mDetailTextureName = config.getSetting( "DetailTexture" );
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344 |
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345 | mWorldTextureName = config.getSetting( "WorldTexture" );
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346 |
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347 | if ( config.getSetting( "VertexColours" ) == "yes" )
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348 | mOptions.coloured = true;
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349 |
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350 | if ( config.getSetting( "VertexNormals" ) == "yes" )
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351 | mOptions.lit = true;
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352 |
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353 | if ( config.getSetting( "UseTriStrips" ) == "yes" )
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354 | setUseTriStrips(true);
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355 |
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356 | if ( config.getSetting( "VertexProgramMorph" ) == "yes" )
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357 | setUseLODMorph(true);
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358 |
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359 | val = config.getSetting( "LODMorphStart");
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360 | if ( !val.empty() )
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361 | setLODMorphStart(atof(val.c_str()));
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362 |
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363 | val = config.getSetting( "CustomMaterialName" );
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364 | if ( !val.empty() )
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365 | setCustomMaterial(val);
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366 |
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367 | val = config.getSetting( "MorphLODFactorParamName" );
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368 | if ( !val.empty() )
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369 | setCustomMaterialMorphFactorParam(val);
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370 |
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371 | val = config.getSetting( "MorphLODFactorParamIndex" );
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372 | if ( !val.empty() )
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373 | setCustomMaterialMorphFactorParam(atoi(val.c_str()));
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374 |
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375 | // Now scan through the remaining settings, looking for any PageSource
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376 | // prefixed items
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377 | String pageSourceName = config.getSetting("PageSource");
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378 | if (pageSourceName == "")
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379 | {
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380 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSource'",
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381 | "TerrainSceneManager::loadConfig");
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382 | }
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383 |
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384 | TerrainPageSourceOptionList optlist;
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385 | ConfigFile::SettingsIterator setIt = config.getSettingsIterator();
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386 | while (setIt.hasMoreElements())
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387 | {
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388 | String name = setIt.peekNextKey();
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389 | String value = setIt.getNext();
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390 | if (StringUtil::startsWith(name, pageSourceName, false))
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391 | {
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392 | optlist.push_back(TerrainPageSourceOption(name, value));
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393 | }
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394 | }
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395 |
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396 | // set the page source
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397 | selectPageSource(pageSourceName, optlist);
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398 |
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399 | LogManager::getSingleton().logMessage("****** Finished OcclusionCullingSceneManager Options ********");
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400 | }
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401 |
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402 |
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403 | void OcclusionCullingSceneManager::MailPvsObjects()
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404 | {
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405 | GtpVisibilityPreprocessor::ObjectPvsIterator pit =
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406 | mCurrentViewCell->GetPvs().GetIterator();
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407 |
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408 | while (pit.HasMoreEntries())
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409 | {
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410 | GtpVisibilityPreprocessor::Intersectable *obj = pit.Next();
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411 |
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412 | if (obj->Type() !=
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413 | GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE)
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414 | continue;
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415 |
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416 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(obj);
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417 |
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418 | EntityContainer *entries = oi->GetItem();
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419 | EntityContainer::const_iterator eit, eit_end = entries->end();
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420 |
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421 | for (eit = entries->begin(); eit != eit_end; ++ eit)
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422 | {
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423 | (*eit)->setUserAny(Any((int)0));
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424 | }
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425 | }
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426 | }
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427 | //-----------------------------------------------------------------------
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428 | void OcclusionCullingSceneManager::ShowViewCellsGeometry()
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429 | {/*
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430 | // show only current view cell
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431 | if (!mShowViewCells)
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432 | {
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433 | const int id = mCurrentViewCell->GetId();
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434 |
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435 | MovableMap::iterator fit = mViewCellsGeometry.find(id);
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436 |
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437 | if ((fit != mViewCellsGeometry.end()) && (*fit).second)
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438 | (*fit).second->_updateRenderQueue(getRenderQueue());
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439 | }
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440 | else
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441 | {
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442 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
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443 |
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444 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
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445 | {
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446 | if ((*mit).second)
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447 | (*mit).second->_updateRenderQueue(getRenderQueue());
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448 | }
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449 | }*/
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450 | }
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451 |
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452 |
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453 | void OcclusionCullingSceneManager::RenderPvsEntry(GtpVisibilityPreprocessor::Intersectable *obj)
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454 | {
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455 | switch (obj->Type())
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456 | {
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457 | case GtpVisibilityPreprocessor::Intersectable::OGRE_MESH_INSTANCE:
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458 | {
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459 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(obj);
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460 | omi->GetEntity()->_updateRenderQueue(getRenderQueue());
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461 | }
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462 | break;
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463 |
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464 | case GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE:
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465 | {
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466 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(obj);
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467 |
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468 | EntityContainer *entries = oi->GetItem();
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469 | EntityContainer::const_iterator eit, eit_end = entries->end();
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470 |
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471 | for (eit = entries->begin(); eit != eit_end; ++ eit)
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472 | {
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473 | Entity *ent = *eit;
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474 | // mailing hack
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475 | Any newAny = ent->getUserAny();
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476 | int flt = any_cast<int>(newAny);
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477 |
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478 | if (any_cast<int>(newAny) == 0)
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479 | {
|
---|
480 | ent->setUserAny(Any((int)1));
|
---|
481 | ent->_updateRenderQueue(getRenderQueue());
|
---|
482 | }
|
---|
483 | }
|
---|
484 | }
|
---|
485 | break;
|
---|
486 | default:
|
---|
487 | break;
|
---|
488 | }
|
---|
489 | }
|
---|
490 | //-----------------------------------------------------------------------
|
---|
491 | void OcclusionCullingSceneManager::SetObjectVisible(GtpVisibilityPreprocessor::Intersectable *entry,
|
---|
492 | const bool visible)
|
---|
493 | {
|
---|
494 | switch (entry->Type())
|
---|
495 | {
|
---|
496 | case GtpVisibilityPreprocessor::Intersectable::OGRE_MESH_INSTANCE:
|
---|
497 | {
|
---|
498 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(entry);
|
---|
499 | omi->GetEntity()->setVisible(visible);
|
---|
500 | //GtpVisibilityPreprocessor::Debug << "assigned id " << omi->GetId() << endl;
|
---|
501 | }
|
---|
502 | break;
|
---|
503 | case GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE:
|
---|
504 | {
|
---|
505 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(entry);
|
---|
506 |
|
---|
507 | EntityContainer *entries = oi->GetItem();
|
---|
508 | EntityContainer::const_iterator eit, eit_end = entries->end();
|
---|
509 | for (eit = entries->begin(); eit != eit_end; ++ eit)
|
---|
510 | {
|
---|
511 | Entity *ent = *eit;
|
---|
512 | ent->setVisible(visible);
|
---|
513 | }
|
---|
514 | }
|
---|
515 | break;
|
---|
516 | default:
|
---|
517 | break;
|
---|
518 | }
|
---|
519 | }
|
---|
520 | //-----------------------------------------------------------------------
|
---|
521 | void OcclusionCullingSceneManager::PrepareVisualization(Camera *cam)
|
---|
522 | {
|
---|
523 | // add player camera for visualization purpose
|
---|
524 | try
|
---|
525 | {
|
---|
526 | Camera *c;
|
---|
527 | if ((c = getCamera("PlayerCam")) != NULL)
|
---|
528 | {
|
---|
529 | getRenderQueue()->addRenderable(c);
|
---|
530 | }
|
---|
531 | }
|
---|
532 | catch (...)
|
---|
533 | {
|
---|
534 | // ignore
|
---|
535 | }
|
---|
536 |
|
---|
537 | // add bounding boxes of rendered objects
|
---|
538 | if (0)
|
---|
539 | for (BoxList::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it)
|
---|
540 | {
|
---|
541 | getRenderQueue()->addRenderable(*it);
|
---|
542 | }
|
---|
543 |
|
---|
544 | // show current view cell geometry
|
---|
545 | if (mCurrentViewCell)// && mCurrentViewCell->GetMesh())
|
---|
546 | {
|
---|
547 | //const bool showSingleViewCell = true;
|
---|
548 | if (mViewCellsGeometryLoaded)
|
---|
549 | {
|
---|
550 | ShowViewCellsGeometry();
|
---|
551 | }
|
---|
552 |
|
---|
553 | //////////
|
---|
554 | //-- set PVS of view cell visible
|
---|
555 |
|
---|
556 | GtpVisibilityPreprocessor::ObjectPvsIterator pit =
|
---|
557 | mCurrentViewCell->GetPvs().GetIterator();
|
---|
558 |
|
---|
559 | MailPvsObjects();
|
---|
560 |
|
---|
561 | while (pit.HasMoreEntries())
|
---|
562 | {
|
---|
563 | RenderPvsEntry(pit.Next());
|
---|
564 | }
|
---|
565 | }
|
---|
566 | #if 0
|
---|
567 | if (mRenderNodesForViz || mRenderNodesContentForViz)
|
---|
568 | {
|
---|
569 | // HACK: change node material so it is better suited for visualization
|
---|
570 | MaterialPtr nodeMat = MaterialManager::getSingleton().getByName("Core/NodeMaterial");
|
---|
571 | nodeMat->setAmbient(1, 1, 0);
|
---|
572 | nodeMat->setLightingEnabled(true);
|
---|
573 | nodeMat->getTechnique(0)->getPass(0)->removeAllTextureUnitStates();
|
---|
574 |
|
---|
575 | for (NodeList::iterator it = mVisible.begin(); it != mVisible.end(); ++it)
|
---|
576 | {
|
---|
577 | if (mRenderNodesForViz)
|
---|
578 | {
|
---|
579 | // render the visible leaf nodes
|
---|
580 | if ((*it)->numAttachedObjects() &&
|
---|
581 | !(*it)->numChildren() &&
|
---|
582 | ((*it)->getAttachedObject(0)->getMovableType() == "Entity") &&
|
---|
583 | (*it)->getAttachedObject(0)->isVisible())
|
---|
584 | {
|
---|
585 | //getRenderQueue()->addRenderable((*it));
|
---|
586 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
|
---|
587 | }
|
---|
588 |
|
---|
589 | // add bounding boxes instead of node itself
|
---|
590 | if (0)
|
---|
591 | (*it)->_addBoundingBoxToQueue(getRenderQueue());
|
---|
592 | }
|
---|
593 |
|
---|
594 | // add renderables itself
|
---|
595 | if (mRenderNodesContentForViz)
|
---|
596 | {
|
---|
597 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
|
---|
598 | }
|
---|
599 | }
|
---|
600 | }
|
---|
601 | #endif
|
---|
602 | }
|
---|
603 | //-----------------------------------------------------------------------
|
---|
604 | const Pass *OcclusionCullingSceneManager::_setPass(const Pass* pass, bool evenIfSuppressed)
|
---|
605 | {
|
---|
606 | if (mNormalExecution)
|
---|
607 | {
|
---|
608 | return SceneManager::_setPass(pass);
|
---|
609 | }
|
---|
610 |
|
---|
611 | // TODO: setting vertex program is not efficient
|
---|
612 | //Pass *usedPass = ((mIsDepthPassPhase && !pass->hasVertexProgram()) ? mDepthPass : pass);
|
---|
613 |
|
---|
614 | // set depth fill pass if we currently do not make an aabb occlusion query
|
---|
615 | const bool useDepthPass =
|
---|
616 | mUseDepthPass && mIsDepthPassPhase && !mHierarchyInterface->IsBoundingBoxQuery();
|
---|
617 |
|
---|
618 | const IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
619 |
|
---|
620 | if (useDepthPass)
|
---|
621 | {
|
---|
622 | // set illumination stage to NONE so no shadow material is used
|
---|
623 | // for depth pass or for occlusion query
|
---|
624 | if (mIsDepthPassPhase || mHierarchyInterface->IsBoundingBoxQuery())
|
---|
625 | {
|
---|
626 | mIlluminationStage = IRS_NONE;
|
---|
627 | }
|
---|
628 |
|
---|
629 | //--- set vertex program of current pass in order to set correct depth
|
---|
630 | if (mExecuteVertexProgramForAllPasses &&
|
---|
631 | mIsDepthPassPhase &&
|
---|
632 | pass->hasVertexProgram())
|
---|
633 | {
|
---|
634 | // add vertex program of current pass to depth pass
|
---|
635 | mDepthPass->setVertexProgram(pass->getVertexProgramName());
|
---|
636 |
|
---|
637 | if (mDepthPass->hasVertexProgram())
|
---|
638 | {
|
---|
639 | const GpuProgramPtr& prg = mDepthPass->getVertexProgram();
|
---|
640 | // Load this program if not done already
|
---|
641 | if (!prg->isLoaded())
|
---|
642 | prg->load();
|
---|
643 | // Copy params
|
---|
644 | mDepthPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
645 | }
|
---|
646 | }
|
---|
647 | else if (mDepthPass->hasVertexProgram())
|
---|
648 | { // reset vertex program
|
---|
649 | mDepthPass->setVertexProgram("");
|
---|
650 | }
|
---|
651 | }
|
---|
652 |
|
---|
653 | const Pass *usedPass = useDepthPass ? mDepthPass : pass;
|
---|
654 |
|
---|
655 | // save old depth write: needed for item buffer
|
---|
656 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
|
---|
657 |
|
---|
658 | // global option which enables / disables depth writes
|
---|
659 | if (!mEnableDepthWrite)
|
---|
660 | {
|
---|
661 | //usedPass->setDepthWriteEnabled(false);
|
---|
662 | }
|
---|
663 | //else if (mIsItemBufferPass) {usedPass = mItemBufferPass;}
|
---|
664 |
|
---|
665 | //-- set actual pass here
|
---|
666 | const Pass *result = SceneManager::_setPass(usedPass);
|
---|
667 |
|
---|
668 |
|
---|
669 | // reset depth write
|
---|
670 | if (!mEnableDepthWrite)
|
---|
671 | {
|
---|
672 | //usedPass->setDepthWriteEnabled(IsDepthWrite);
|
---|
673 | }
|
---|
674 |
|
---|
675 | // reset illumination stage
|
---|
676 | mIlluminationStage = savedStage;
|
---|
677 |
|
---|
678 | return result;
|
---|
679 | }
|
---|
680 | //-----------------------------------------------------------------------
|
---|
681 | void OcclusionCullingSceneManager::myFindVisibleObjects(Camera* cam,
|
---|
682 | bool onlyShadowCasters)
|
---|
683 | {
|
---|
684 | if (mShowVisualization)
|
---|
685 | {
|
---|
686 | //////////////
|
---|
687 | //-- show visible scene nodes and octree bounding boxes from last frame
|
---|
688 |
|
---|
689 | PrepareVisualization(cam);
|
---|
690 |
|
---|
691 | // lists only used for visualization
|
---|
692 | mVisible.clear();
|
---|
693 | mBoxes.clear();
|
---|
694 |
|
---|
695 | return;
|
---|
696 | }
|
---|
697 |
|
---|
698 | // lists only used for visualization
|
---|
699 | mVisible.clear();
|
---|
700 | mBoxes.clear();
|
---|
701 |
|
---|
702 | ///////////
|
---|
703 | //-- set visibility according to pvs of current view cell
|
---|
704 |
|
---|
705 | UpdatePvs(cam);
|
---|
706 |
|
---|
707 | // standard rendering in first pass
|
---|
708 | if (!mNormalExecution && mUseDepthPass)
|
---|
709 | {
|
---|
710 | RenderDepthPass();
|
---|
711 | }
|
---|
712 | else
|
---|
713 | {
|
---|
714 | // hierarchical culling interleaves identification
|
---|
715 | // and rendering of objects in _renderVisibibleObjects
|
---|
716 |
|
---|
717 | // for the shadow pass we use only standard rendering
|
---|
718 | // because shadows have low occlusion anyway
|
---|
719 | if ((mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
720 | mIlluminationStage == IRS_RENDER_TO_TEXTURE) ||
|
---|
721 | mNormalExecution)
|
---|
722 | {
|
---|
723 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
|
---|
724 | }
|
---|
725 |
|
---|
726 | // only shadow casters will be rendered in shadow texture pass
|
---|
727 | //if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
|
---|
728 | }
|
---|
729 | }
|
---|
730 | //-----------------------------------------------------------------------
|
---|
731 | void OcclusionCullingSceneManager::_renderVisibleObjects()
|
---|
732 | {
|
---|
733 | const bool flushQueue =
|
---|
734 | mDeleteQueueAfterRendering && ((mCurrentFrame % mFlushRate) == 0);
|
---|
735 | ++ mCurrentFrame;
|
---|
736 |
|
---|
737 | if (mNormalExecution)
|
---|
738 | {
|
---|
739 | // the standard octree rendering mode
|
---|
740 | TerrainSceneManager::_renderVisibleObjects();
|
---|
741 | getRenderQueue()->clear(flushQueue);
|
---|
742 | return;
|
---|
743 | }
|
---|
744 |
|
---|
745 | // create material for item buffer pass
|
---|
746 | InitItemBufferPass();
|
---|
747 |
|
---|
748 | // save ambient light to reset later
|
---|
749 | ColourValue savedAmbient = mAmbientLight;
|
---|
750 |
|
---|
751 | ////////////////////
|
---|
752 | //-- apply standard rendering for some modes
|
---|
753 | //-- (e.g., the visualization mode, the shadow pass)
|
---|
754 |
|
---|
755 | if (mUseDepthPass || mShowVisualization ||
|
---|
756 | (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
757 | mIlluminationStage == IRS_RENDER_TO_TEXTURE))
|
---|
758 | {
|
---|
759 | IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
760 |
|
---|
761 | if (mShowVisualization)
|
---|
762 | {
|
---|
763 | // disable illumination stage to prevent rendering shadows
|
---|
764 | mIlluminationStage = IRS_NONE;
|
---|
765 | }
|
---|
766 |
|
---|
767 | // standard rendering for shadow maps because of performance
|
---|
768 | TerrainSceneManager::_renderVisibleObjects();
|
---|
769 |
|
---|
770 | mIlluminationStage = savedStage;
|
---|
771 | }
|
---|
772 | else //-- the hierarchical culling algorithm
|
---|
773 | {
|
---|
774 | // note matt: this is also called in TerrainSceneManager: really necessary?
|
---|
775 | mDestRenderSystem->setLightingEnabled(false);
|
---|
776 |
|
---|
777 | if (mUseItemBuffer)
|
---|
778 | {
|
---|
779 | // don't render backgrounds for item buffer
|
---|
780 | clearSpecialCaseRenderQueues();
|
---|
781 | getRenderQueue()->clear();
|
---|
782 | }
|
---|
783 |
|
---|
784 | ////////////////////
|
---|
785 | //-- hierarchical culling
|
---|
786 |
|
---|
787 | // the objects of different layers (e.g., background, scene,
|
---|
788 | // overlay) must be identified and rendered one after another
|
---|
789 |
|
---|
790 | // first render all early skies
|
---|
791 | clearSpecialCaseRenderQueues();
|
---|
792 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
|
---|
793 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
|
---|
794 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
|
---|
795 |
|
---|
796 | TerrainSceneManager::_renderVisibleObjects();
|
---|
797 |
|
---|
798 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
799 | // delete previously rendered content
|
---|
800 | _deleteRenderedQueueGroups();
|
---|
801 | #endif
|
---|
802 |
|
---|
803 | ///////////////////
|
---|
804 | //-- prepare queue for visible objects (i.e., all but overlay and skies late)
|
---|
805 |
|
---|
806 | clearSpecialCaseRenderQueues();
|
---|
807 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_LATE);
|
---|
808 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
|
---|
809 |
|
---|
810 | // exclude these queues from hierarchical rendering
|
---|
811 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
|
---|
812 |
|
---|
813 | // set all necessary parameters for
|
---|
814 | // hierarchical visibility culling and rendering
|
---|
815 | InitVisibilityCulling(mCameraInProgress);
|
---|
816 |
|
---|
817 |
|
---|
818 | /**
|
---|
819 | * the hierarchical culling algorithm
|
---|
820 | * for depth pass: we just find objects and update depth buffer
|
---|
821 | * for "delayed" rendering: we render some passes afterwards
|
---|
822 | * e.g., transparents, because they need front-to-back sorting
|
---|
823 | **/
|
---|
824 |
|
---|
825 | mVisibilityManager->ApplyVisibilityCulling();
|
---|
826 |
|
---|
827 | // delete remaining renderables from queue:
|
---|
828 | // all which are not in mLeavePassesInQueue)
|
---|
829 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
830 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
|
---|
831 | #endif
|
---|
832 |
|
---|
833 | /////////////
|
---|
834 | //-- reset parameters needed during hierarchical rendering
|
---|
835 |
|
---|
836 | mIsItemBufferPhase = false;
|
---|
837 | mSkipTransparents = false;
|
---|
838 | mIsHierarchicalCulling = false;
|
---|
839 |
|
---|
840 | mLeavePassesInQueue = 0;
|
---|
841 |
|
---|
842 | /////////////
|
---|
843 | //-- now we can render all remaining queue objects
|
---|
844 | //-- used for depth pass, transparents, overlay
|
---|
845 |
|
---|
846 | clearSpecialCaseRenderQueues();
|
---|
847 |
|
---|
848 | TerrainSceneManager::_renderVisibleObjects();
|
---|
849 | } // end hierarchical culling
|
---|
850 |
|
---|
851 | // HACK: set the new render level index, important to avoid cracks
|
---|
852 | // in terrain caused by LOD
|
---|
853 | TerrainRenderable::NextRenderLevelIndex();
|
---|
854 |
|
---|
855 | // reset ambient light
|
---|
856 | setAmbientLight(savedAmbient);
|
---|
857 |
|
---|
858 | // almost same effect as below
|
---|
859 | getRenderQueue()->clear(flushQueue);
|
---|
860 |
|
---|
861 | if (0) WriteLog(); // write out stats
|
---|
862 | }
|
---|
863 |
|
---|
864 | //-----------------------------------------------------------------------
|
---|
865 | void OcclusionCullingSceneManager::_updateSceneGraph(Camera* cam)
|
---|
866 | {
|
---|
867 | if (mNormalExecution)
|
---|
868 | {
|
---|
869 | TerrainSceneManager::_updateSceneGraph(cam);
|
---|
870 | return;
|
---|
871 | }
|
---|
872 |
|
---|
873 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
|
---|
874 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
|
---|
875 |
|
---|
876 | TerrainSceneManager::_updateSceneGraph(cam);
|
---|
877 | }
|
---|
878 | //-----------------------------------------------------------------------
|
---|
879 | bool OcclusionCullingSceneManager::setOption(const String & key, const void * val)
|
---|
880 | {
|
---|
881 | if (key == "UseDepthPass")
|
---|
882 | {
|
---|
883 | mUseDepthPass = (*static_cast<const bool *>(val));
|
---|
884 | return true;
|
---|
885 | }
|
---|
886 | if (key == "PrepareVisualization")
|
---|
887 | {
|
---|
888 | mShowVisualization = (*static_cast<const bool *>(val));
|
---|
889 | return true;
|
---|
890 | }
|
---|
891 | if (key == "RenderNodesForViz")
|
---|
892 | {
|
---|
893 | mRenderNodesForViz = (*static_cast<const bool *>(val));
|
---|
894 | return true;
|
---|
895 | }
|
---|
896 | if (key == "RenderNodesContentForViz")
|
---|
897 | {
|
---|
898 | mRenderNodesContentForViz = (*static_cast<const bool *>(val));
|
---|
899 | return true;
|
---|
900 | }
|
---|
901 | if (key == "SkyBoxEnabled")
|
---|
902 | {
|
---|
903 | mSkyBoxEnabled = (*static_cast<const bool *>(val));
|
---|
904 | return true;
|
---|
905 | }
|
---|
906 | if (key == "SkyPlaneEnabled")
|
---|
907 | {
|
---|
908 | mSkyPlaneEnabled = (*static_cast<const bool *>(val));
|
---|
909 | return true;
|
---|
910 | }
|
---|
911 | if (key == "SkyDomeEnabled")
|
---|
912 | {
|
---|
913 | mSkyDomeEnabled = (*static_cast<const bool *>(val));
|
---|
914 | return true;
|
---|
915 | }
|
---|
916 | if (key == "VisualizeCulledNodes")
|
---|
917 | {
|
---|
918 | mVisualizeCulledNodes = (*static_cast<const bool *>(val));
|
---|
919 | return true;
|
---|
920 | }
|
---|
921 | if (key == "DelayRenderTransparents")
|
---|
922 | {
|
---|
923 | //LoadScene(mFilename, mViewCellsFilename);
|
---|
924 | mDelayRenderTransparents = (*static_cast<const bool *>(val));
|
---|
925 | return true;
|
---|
926 | }
|
---|
927 | if (key == "DepthWrite")
|
---|
928 | {
|
---|
929 | mEnableDepthWrite = (*static_cast<const bool *>(val));
|
---|
930 | return true;
|
---|
931 | }
|
---|
932 | if (key == "UseItemBuffer")
|
---|
933 | {
|
---|
934 | mUseItemBuffer = (*static_cast<const bool *>(val));
|
---|
935 | return true;
|
---|
936 | }
|
---|
937 | if (key == "ExecuteVertexProgramForAllPasses")
|
---|
938 | {
|
---|
939 | mExecuteVertexProgramForAllPasses = (*static_cast<const bool *>(val));
|
---|
940 | return true;
|
---|
941 | }
|
---|
942 | if (key == "RenderTransparentsForItemBuffer")
|
---|
943 | {
|
---|
944 | mRenderTransparentsForItemBuffer = (*static_cast<const bool *>(val));
|
---|
945 | return true;
|
---|
946 | }
|
---|
947 | else if (key == "FlushQueue")
|
---|
948 | {
|
---|
949 | mDeleteQueueAfterRendering = (*static_cast<const bool *>(val));
|
---|
950 | return true;
|
---|
951 | }
|
---|
952 | if (key == "NodeVizScale")
|
---|
953 | {
|
---|
954 | OctreeNode::setVizScale(*static_cast<const float *>(val));
|
---|
955 | return true;
|
---|
956 | }
|
---|
957 | if (key == "UseViewCells")
|
---|
958 | {
|
---|
959 | if (!mViewCellsLoaded)
|
---|
960 | {
|
---|
961 | // try to load view cells
|
---|
962 | mViewCellsLoaded = LoadViewCells(mViewCellsFilename);
|
---|
963 | }
|
---|
964 |
|
---|
965 | if (!mViewCellsLoaded)
|
---|
966 | return false;
|
---|
967 |
|
---|
968 | // only use this option if view cells are available
|
---|
969 | mUseViewCells = *static_cast<const bool *>(val);
|
---|
970 |
|
---|
971 | // reset view cell
|
---|
972 | OGRE_DELETE(mCurrentViewCell);
|
---|
973 |
|
---|
974 | if (mUseViewCells)
|
---|
975 | {
|
---|
976 | mCurrentViewCell = mViewCellsManager->GenerateViewCell();
|
---|
977 | }
|
---|
978 |
|
---|
979 | // view cell corresponding to leaf in the view cell hierarchy
|
---|
980 | mElementaryViewCell = NULL;
|
---|
981 |
|
---|
982 | // all objects are set to invisible per default
|
---|
983 | SetObjectsVisible(!mUseViewCells);
|
---|
984 |
|
---|
985 | MovableObjectIterator movit = getMovableObjectIterator("Entity");
|
---|
986 | while (movit.hasMoreElements())
|
---|
987 | {
|
---|
988 | Entity *ent = static_cast<Entity *>(movit.getNext());
|
---|
989 | ent->setVisible(!mUseViewCells);
|
---|
990 | }
|
---|
991 |
|
---|
992 | return true;
|
---|
993 | }
|
---|
994 | if (key == "ShowViewCells")
|
---|
995 | {
|
---|
996 | // only use this option if view cells are available
|
---|
997 | if (mViewCellsLoaded)
|
---|
998 | {
|
---|
999 | mShowViewCells = *static_cast<const bool *>(val);
|
---|
1000 | // if we decide use view cells
|
---|
1001 | // all objects are set to invisible per default
|
---|
1002 | VisualizeViewCells(mShowViewCells);
|
---|
1003 | }
|
---|
1004 |
|
---|
1005 | return true;
|
---|
1006 | }
|
---|
1007 | if (key == "NormalExecution")
|
---|
1008 | {
|
---|
1009 | mNormalExecution = *static_cast<const bool *>(val);
|
---|
1010 | return true;
|
---|
1011 | }
|
---|
1012 | if (key == "ShowTerrain")
|
---|
1013 | {
|
---|
1014 | mShowTerrain = *static_cast<const bool *>(val);
|
---|
1015 | return true;
|
---|
1016 | }
|
---|
1017 | if (key == "UseVisibilityFilter")
|
---|
1018 | {
|
---|
1019 | mUseVisibilityFilter = *static_cast<const bool *>(val);
|
---|
1020 |
|
---|
1021 | // set null => recomputation of the pvs
|
---|
1022 | mElementaryViewCell = NULL;
|
---|
1023 |
|
---|
1024 | return true;
|
---|
1025 | }
|
---|
1026 | if (key == "ViewCellsLoaded")
|
---|
1027 | {
|
---|
1028 | return mViewCellsLoaded;
|
---|
1029 | }
|
---|
1030 |
|
---|
1031 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
1032 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
|
---|
1033 | }
|
---|
1034 | //-----------------------------------------------------------------------
|
---|
1035 | bool OcclusionCullingSceneManager::getOption(const String &key, void *val)
|
---|
1036 | {
|
---|
1037 | if (key == "NumHierarchyNodes")
|
---|
1038 | {
|
---|
1039 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctants;
|
---|
1040 | return true;
|
---|
1041 | }
|
---|
1042 | if (key == "VisibilityManager")
|
---|
1043 | {
|
---|
1044 | //Ogre::LogManager::getSingleton().logMessage("here77");
|
---|
1045 | * static_cast<GtpVisibility::VisibilityManager **>(val) = mVisibilityManager;
|
---|
1046 | return true;
|
---|
1047 | }
|
---|
1048 | if (key == "HierarchyInterface")
|
---|
1049 | {
|
---|
1050 | * static_cast<GtpVisibility::HierarchyInterface **>(val) = mHierarchyInterface;
|
---|
1051 | return true;
|
---|
1052 | }
|
---|
1053 | if (key == "ShowTerrain")
|
---|
1054 | {
|
---|
1055 | * static_cast<bool *>(val) = mShowTerrain;
|
---|
1056 | return true;
|
---|
1057 | }
|
---|
1058 | if (key == "UseDepthPass")
|
---|
1059 | {
|
---|
1060 | * static_cast<bool *>(val) = mUseDepthPass;
|
---|
1061 | return true;
|
---|
1062 | }
|
---|
1063 | if (key == "FlushQueue")
|
---|
1064 | {
|
---|
1065 | * static_cast<bool *>(val) = mDeleteQueueAfterRendering;
|
---|
1066 | return true;
|
---|
1067 | }
|
---|
1068 | if (key == "NormalExecution")
|
---|
1069 | {
|
---|
1070 | * static_cast<bool *>(val) = mNormalExecution;
|
---|
1071 | return true;
|
---|
1072 | }
|
---|
1073 | if (key == "Algorithm")
|
---|
1074 | {
|
---|
1075 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm =
|
---|
1076 | mVisibilityManager->GetCullingManagerType();
|
---|
1077 |
|
---|
1078 | * static_cast<unsigned int *>(val) = (unsigned int)algorithm;
|
---|
1079 |
|
---|
1080 | //getRenderQueue()->clear();
|
---|
1081 |
|
---|
1082 | return true;
|
---|
1083 | }
|
---|
1084 | if (key == "VisibleObjects")
|
---|
1085 | {
|
---|
1086 | if (mNormalExecution)
|
---|
1087 | return false;
|
---|
1088 |
|
---|
1089 | const bool fromPoint = true;
|
---|
1090 | const bool nodeVisibility = true;
|
---|
1091 |
|
---|
1092 | * static_cast<unsigned int *>(val) =
|
---|
1093 | (unsigned int)FindExactVisibleObjects(mCameraInProgress,
|
---|
1094 | mCurrentViewport,
|
---|
1095 | fromPoint,
|
---|
1096 | nodeVisibility);
|
---|
1097 | return true;
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
1101 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
|
---|
1102 | }
|
---|
1103 | //-----------------------------------------------------------------------
|
---|
1104 | bool OcclusionCullingSceneManager::getOptionValues(const String & key,
|
---|
1105 | StringVector &refValueList)
|
---|
1106 | {
|
---|
1107 | return TerrainSceneManager::getOptionValues( key, refValueList);
|
---|
1108 | }
|
---|
1109 | //-----------------------------------------------------------------------
|
---|
1110 | bool OcclusionCullingSceneManager::getOptionKeys(StringVector & refKeys)
|
---|
1111 | {
|
---|
1112 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
1113 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
|
---|
1114 | }
|
---|
1115 | //-----------------------------------------------------------------------
|
---|
1116 | void OcclusionCullingSceneManager::setVisibilityManager(GtpVisibility::
|
---|
1117 | VisibilityManager *visManager)
|
---|
1118 | {
|
---|
1119 | mVisibilityManager = visManager;
|
---|
1120 | }
|
---|
1121 | //-----------------------------------------------------------------------
|
---|
1122 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::getVisibilityManager( void )
|
---|
1123 | {
|
---|
1124 | return mVisibilityManager;
|
---|
1125 | }
|
---|
1126 | //-----------------------------------------------------------------------
|
---|
1127 | void OcclusionCullingSceneManager::WriteLog()
|
---|
1128 | {
|
---|
1129 | std::stringstream d;
|
---|
1130 |
|
---|
1131 | d << "Depth pass: " << StringConverter::toString(mUseDepthPass) << ", "
|
---|
1132 | << "Delay transparents: " << StringConverter::toString(mDelayRenderTransparents) << ", "
|
---|
1133 | << "Use optimization: " << StringConverter::toString(mHierarchyInterface->GetTestGeometryForVisibleLeaves()) << ", "
|
---|
1134 | << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
|
---|
1135 | << "Hierarchy nodes: " << mNumOctants << ", "
|
---|
1136 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
|
---|
1137 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
|
---|
1138 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
|
---|
1139 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
|
---|
1140 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
1141 | << "Found objects: " << (int)mVisible.size() << "\n";
|
---|
1142 |
|
---|
1143 | LogManager::getSingleton().logMessage(d.str());
|
---|
1144 | }
|
---|
1145 | //-----------------------------------------------------------------------
|
---|
1146 | void OcclusionCullingSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1147 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1148 | {
|
---|
1149 | // Basic render loop
|
---|
1150 | // Iterate through priorities
|
---|
1151 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1152 |
|
---|
1153 | while (groupIt.hasMoreElements())
|
---|
1154 | {
|
---|
1155 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1156 |
|
---|
1157 | // Sort the queue first
|
---|
1158 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1159 |
|
---|
1160 | // Do solids
|
---|
1161 | renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1162 |
|
---|
1163 | // for correct rendering, transparents must be rendered
|
---|
1164 | // after hierarchical culling => don't render them now
|
---|
1165 |
|
---|
1166 | if (mNormalExecution || !mSkipTransparents)
|
---|
1167 | {
|
---|
1168 | // Do transparents (always descending)
|
---|
1169 | renderObjects(pPriorityGrp->getTransparents(),
|
---|
1170 | QueuedRenderableCollection::OM_SORT_DESCENDING, true);
|
---|
1171 | }
|
---|
1172 |
|
---|
1173 |
|
---|
1174 | } // for each priority
|
---|
1175 | }
|
---|
1176 |
|
---|
1177 | //-----------------------------------------------------------------------
|
---|
1178 | bool OcclusionCullingSceneManager::validatePassForRendering(Pass* pass)
|
---|
1179 | {
|
---|
1180 | if (mNormalExecution)
|
---|
1181 | {
|
---|
1182 | return SceneManager::validatePassForRendering(pass);
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | // skip all but first pass if we are doing the depth pass
|
---|
1186 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
1187 | {
|
---|
1188 | return false;
|
---|
1189 | }
|
---|
1190 | // all but first pass
|
---|
1191 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
1192 | {
|
---|
1193 | return false;
|
---|
1194 | }*/
|
---|
1195 |
|
---|
1196 | return SceneManager::validatePassForRendering(pass);
|
---|
1197 | }
|
---|
1198 | //-----------------------------------------------------------------------
|
---|
1199 | void OcclusionCullingSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1200 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1201 | {
|
---|
1202 | if (mNormalExecution || !mIsItemBufferPhase)
|
---|
1203 | {
|
---|
1204 | TerrainSceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
1205 | return;
|
---|
1206 | }
|
---|
1207 | #ifdef ITEM_BUFFER
|
---|
1208 | //-- item buffer
|
---|
1209 | //-- render objects using false colors
|
---|
1210 |
|
---|
1211 | // Iterate through priorities
|
---|
1212 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1213 |
|
---|
1214 | while (groupIt.hasMoreElements())
|
---|
1215 | {
|
---|
1216 | RenderItemBuffer(groupIt.getNext());
|
---|
1217 | }
|
---|
1218 | #endif // ITEM_BUFFER
|
---|
1219 | }
|
---|
1220 | #ifdef ITEM_BUFFER
|
---|
1221 | //-----------------------------------------------------------------------
|
---|
1222 | void OcclusionCullingSceneManager::RenderItemBuffer(RenderPriorityGroup* pGroup)
|
---|
1223 | {
|
---|
1224 | // Do solids
|
---|
1225 | QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
|
---|
1226 |
|
---|
1227 | // ----- SOLIDS LOOP -----
|
---|
1228 | RenderPriorityGroup::SolidRenderablePassMap::const_iterator ipass, ipassend;
|
---|
1229 | ipassend = solidObjs.end();
|
---|
1230 |
|
---|
1231 | for (ipass = solidObjs.begin(); ipass != ipassend; ++ipass)
|
---|
1232 | {
|
---|
1233 | // Fast bypass if this group is now empty
|
---|
1234 | if (ipass->second->empty())
|
---|
1235 | continue;
|
---|
1236 |
|
---|
1237 | // Render only first pass of renderable as false color
|
---|
1238 | if (ipass->first->getIndex() > 0)
|
---|
1239 | continue;
|
---|
1240 |
|
---|
1241 | RenderPriorityGroup::RenderableList* rendList = ipass->second;
|
---|
1242 |
|
---|
1243 | RenderPriorityGroup::RenderableList::const_iterator irend, irendend;
|
---|
1244 | irendend = rendList->end();
|
---|
1245 |
|
---|
1246 | for (irend = rendList->begin(); irend != irendend; ++irend)
|
---|
1247 | {
|
---|
1248 | if (0)
|
---|
1249 | {
|
---|
1250 | std::stringstream d; d << "itembuffer, pass name: " <<
|
---|
1251 | ipass->first->getParent()->getParent()->getName();
|
---|
1252 |
|
---|
1253 | LogManager::getSingleton().logMessage(d.str());
|
---|
1254 | }
|
---|
1255 |
|
---|
1256 | RenderSingleObjectForItemBuffer(*irend, ipass->first);
|
---|
1257 | }
|
---|
1258 | }
|
---|
1259 |
|
---|
1260 | ///////////
|
---|
1261 | //-- TRANSPARENT LOOP: must be handled differently from solids
|
---|
1262 |
|
---|
1263 | // transparents are treated either as solids or completely discarded
|
---|
1264 | if (mRenderTransparentsForItemBuffer)
|
---|
1265 | {
|
---|
1266 | QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
|
---|
1267 | RenderPriorityGroup::TransparentRenderablePassList::const_iterator
|
---|
1268 | itrans, itransend;
|
---|
1269 |
|
---|
1270 | itransend = transpObjs.end();
|
---|
1271 | for (itrans = transpObjs.begin(); itrans != itransend; ++itrans)
|
---|
1272 | {
|
---|
1273 | // like for solids, render only first pass
|
---|
1274 | if (itrans->pass->getIndex() == 0)
|
---|
1275 | {
|
---|
1276 | RenderSingleObjectForItemBuffer(itrans->renderable, itrans->pass);
|
---|
1277 | }
|
---|
1278 | }
|
---|
1279 | }
|
---|
1280 | }
|
---|
1281 | //-----------------------------------------------------------------------
|
---|
1282 | void OcclusionCullingSceneManager::RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass)
|
---|
1283 | {
|
---|
1284 | static LightList nullLightList;
|
---|
1285 |
|
---|
1286 | int col[4];
|
---|
1287 |
|
---|
1288 | // -- create color code out of object id
|
---|
1289 | col[0] = (rend->getId() >> 16) & 255;
|
---|
1290 | col[1] = (rend->getId() >> 8) & 255;
|
---|
1291 | col[2] = rend->getId() & 255;
|
---|
1292 | // col[3] = 255;
|
---|
1293 |
|
---|
1294 | //mDestRenderSystem->setColour(col[0], col[1], col[2], col[3]);
|
---|
1295 |
|
---|
1296 | mItemBufferPass->setAmbient(ColourValue(col[0] / 255.0f,
|
---|
1297 | col[1] / 255.0f,
|
---|
1298 | col[2] / 255.0f, 1));
|
---|
1299 |
|
---|
1300 | // set vertex program of current pass
|
---|
1301 | if (mExecuteVertexProgramForAllPasses && pass->hasVertexProgram())
|
---|
1302 | {
|
---|
1303 | mItemBufferPass->setVertexProgram(pass->getVertexProgramName());
|
---|
1304 |
|
---|
1305 | if (mItemBufferPass->hasVertexProgram())
|
---|
1306 | {
|
---|
1307 | const GpuProgramPtr& prg = mItemBufferPass->getVertexProgram();
|
---|
1308 | // Load this program if not done already
|
---|
1309 | if (!prg->isLoaded())
|
---|
1310 | prg->load();
|
---|
1311 | // Copy params
|
---|
1312 | mItemBufferPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
1313 | }
|
---|
1314 | }
|
---|
1315 | else if (mItemBufferPass->hasVertexProgram())
|
---|
1316 | {
|
---|
1317 | mItemBufferPass->setVertexProgram("");
|
---|
1318 | }
|
---|
1319 |
|
---|
1320 | const Pass *usedPass = _setPass(mItemBufferPass);
|
---|
1321 |
|
---|
1322 |
|
---|
1323 | // render a single object, this will set up auto params if required
|
---|
1324 | renderSingleObject(rend, usedPass, false, &nullLightList);
|
---|
1325 | }
|
---|
1326 | #endif // ITEM_BUFFER
|
---|
1327 | //-----------------------------------------------------------------------
|
---|
1328 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::GetVisibilityManager()
|
---|
1329 | {
|
---|
1330 | return mVisibilityManager;
|
---|
1331 | }
|
---|
1332 | //-----------------------------------------------------------------------
|
---|
1333 | void OcclusionCullingSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
1334 | {
|
---|
1335 | // reset culling manager stats
|
---|
1336 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
1337 |
|
---|
1338 | // set depth pass flag before rendering
|
---|
1339 | mIsDepthPassPhase = mUseDepthPass;
|
---|
1340 |
|
---|
1341 | // indicates that we use hierarchical culling from now on
|
---|
1342 | mIsHierarchicalCulling = true;
|
---|
1343 |
|
---|
1344 | // item buffer needs full ambient lighting to use item colors as unique id
|
---|
1345 | if (mUseItemBuffer)
|
---|
1346 | {
|
---|
1347 | mIsItemBufferPhase = true;
|
---|
1348 | setAmbientLight(ColourValue(1,1,1,1));
|
---|
1349 | }
|
---|
1350 |
|
---|
1351 |
|
---|
1352 | // set passes which are stored in render queue
|
---|
1353 | // for rendering AFTER hierarchical culling, i.e., passes which need
|
---|
1354 | // a special rendering order
|
---|
1355 |
|
---|
1356 | mLeavePassesInQueue = 0;
|
---|
1357 |
|
---|
1358 | // if we have the depth pass or use an item buffer, we leave no passes in the queue
|
---|
1359 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
1360 | {
|
---|
1361 | if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)
|
---|
1362 | {
|
---|
1363 | // TODO: remove this pass because it should be processed during hierarchical culling
|
---|
1364 | //mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1365 |
|
---|
1366 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DECAL;
|
---|
1367 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DIFFUSE_SPECULAR;
|
---|
1368 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1369 |
|
---|
1370 | // just render ambient passes
|
---|
1371 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1372 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1373 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
1374 | }
|
---|
1375 |
|
---|
1376 | if (mShadowTechnique == SHADOWTYPE_STENCIL_MODULATIVE)
|
---|
1377 | {
|
---|
1378 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1379 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1380 | }
|
---|
1381 |
|
---|
1382 | // transparents should be rendered after hierarchical culling to
|
---|
1383 | // provide front-to-back ordering
|
---|
1384 | if (mDelayRenderTransparents)
|
---|
1385 | {
|
---|
1386 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1387 | }
|
---|
1388 | }
|
---|
1389 |
|
---|
1390 | // skip rendering transparents during the hierarchical culling
|
---|
1391 | // (because they will be rendered afterwards)
|
---|
1392 | mSkipTransparents =
|
---|
1393 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
1394 |
|
---|
1395 | // -- initialise interface for rendering traversal of the hierarchy
|
---|
1396 | mHierarchyInterface->SetHierarchyRoot(mOctree);
|
---|
1397 |
|
---|
1398 | // possible two cameras (one for culling, one for rendering)
|
---|
1399 | mHierarchyInterface->InitTraversal(mCameraInProgress,
|
---|
1400 | mCullCamera ? getCamera("CullCamera") : NULL,
|
---|
1401 | mLeavePassesInQueue);
|
---|
1402 |
|
---|
1403 | }
|
---|
1404 | //-----------------------------------------------------------------------
|
---|
1405 | OctreeHierarchyInterface *OcclusionCullingSceneManager::GetHierarchyInterface()
|
---|
1406 | {
|
---|
1407 | return mHierarchyInterface;
|
---|
1408 | }
|
---|
1409 | //-----------------------------------------------------------------------
|
---|
1410 | void OcclusionCullingSceneManager::endFrame()
|
---|
1411 | {
|
---|
1412 | TerrainRenderable::ResetRenderLevelIndex();
|
---|
1413 | }
|
---|
1414 | //-----------------------------------------------------------------------
|
---|
1415 | Entity* OcclusionCullingSceneManager::createEntity(const String& entityName,
|
---|
1416 | const String& meshName)
|
---|
1417 | {
|
---|
1418 | Entity *ent = SceneManager::createEntity(entityName, meshName);
|
---|
1419 |
|
---|
1420 | for (int i = 0; i < (int)ent->getNumSubEntities(); ++i)
|
---|
1421 | {
|
---|
1422 | ent->getSubEntity(i)->setId(mCurrentEntityId);
|
---|
1423 | }
|
---|
1424 |
|
---|
1425 | // increase counter of entity id values
|
---|
1426 | ++ mCurrentEntityId;
|
---|
1427 |
|
---|
1428 | return ent;
|
---|
1429 | }
|
---|
1430 | //-----------------------------------------------------------------------
|
---|
1431 | void OcclusionCullingSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
1432 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1433 | {
|
---|
1434 | // only render solid passes during hierarchical culling
|
---|
1435 | if (mIsHierarchicalCulling)
|
---|
1436 | {
|
---|
1437 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1438 | LightList lightList;
|
---|
1439 |
|
---|
1440 | while (groupIt.hasMoreElements())
|
---|
1441 | {
|
---|
1442 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1443 |
|
---|
1444 | // Sort the queue first
|
---|
1445 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1446 |
|
---|
1447 | // Clear light list
|
---|
1448 | lightList.clear();
|
---|
1449 |
|
---|
1450 | // Render all the ambient passes first, no light iteration, no lights
|
---|
1451 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1452 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1453 |
|
---|
1454 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
1455 | // Also render any objects which have receive shadows disabled
|
---|
1456 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
1457 | #if 0
|
---|
1458 | std::stringstream d;
|
---|
1459 | d << " solid size: " << (int)pPriorityGrp->_getSolidPasses().size()
|
---|
1460 | << " solid no shadow size: " << (int)pPriorityGrp->_getSolidPassesNoShadow().size()
|
---|
1461 | << "difspec size: " << (int)pPriorityGrp->_getSolidPassesDiffuseSpecular().size()
|
---|
1462 | << " decal size: " << (int)pPriorityGrp->_getSolidPassesDecal().size();
|
---|
1463 | LogManager::getSingleton().logMessage(d.str());
|
---|
1464 | #endif
|
---|
1465 | }
|
---|
1466 | }
|
---|
1467 | else // render the rest of the passes
|
---|
1468 | {
|
---|
1469 | OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1470 | }
|
---|
1471 | }
|
---|
1472 | //-----------------------------------------------------------------------
|
---|
1473 | void OcclusionCullingSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
1474 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1475 | {
|
---|
1476 | if (mIsHierarchicalCulling)
|
---|
1477 | {
|
---|
1478 | // Iterate through priorities
|
---|
1479 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1480 |
|
---|
1481 | while (groupIt.hasMoreElements())
|
---|
1482 | {
|
---|
1483 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1484 |
|
---|
1485 | // Sort the queue first
|
---|
1486 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1487 | // Do (shadowable) solids
|
---|
1488 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1489 | }
|
---|
1490 | }
|
---|
1491 | else
|
---|
1492 | {
|
---|
1493 | OctreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1494 | }
|
---|
1495 | }
|
---|
1496 | //-------------------------------------------------------------------------
|
---|
1497 | void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
|
---|
1498 | {
|
---|
1499 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
1500 |
|
---|
1501 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
1502 | {
|
---|
1503 | GtpVisibilityPreprocessor::Intersectable *entry = *it;
|
---|
1504 |
|
---|
1505 | SetObjectVisible(entry, visible);
|
---|
1506 | }
|
---|
1507 | }
|
---|
1508 | //-----------------------------------------------------------------------
|
---|
1509 | bool OcclusionCullingSceneManager::LoadViewCells(const String &filename)
|
---|
1510 | {
|
---|
1511 | // no filename specified
|
---|
1512 | if (filename == "")
|
---|
1513 | return false;
|
---|
1514 |
|
---|
1515 | // view cells already loaded
|
---|
1516 | if (mViewCellsLoaded)
|
---|
1517 | return true;
|
---|
1518 |
|
---|
1519 | // converter between view cell ids and Ogre entites
|
---|
1520 | OctreeBoundingBoxConverter bconverter(this);
|
---|
1521 |
|
---|
1522 | // load the view cells assigning the found objects to the pvss
|
---|
1523 | const bool finalizeViewCells = false;
|
---|
1524 |
|
---|
1525 | // load the view cells assigning the found objects to the pvss
|
---|
1526 | mViewCellsManager =
|
---|
1527 | GtpVisibilityPreprocessor::ViewCellsManager::
|
---|
1528 | LoadViewCells(filename, mObjects, false, &bconverter);
|
---|
1529 |
|
---|
1530 | Ogre::LogManager::getSingleton().logMessage("******** view cells loaded *********");
|
---|
1531 |
|
---|
1532 | // objects are set to invisible initially
|
---|
1533 | SetObjectsVisible(false);
|
---|
1534 |
|
---|
1535 | if (finalizeViewCells)
|
---|
1536 | {
|
---|
1537 | CreateViewCellsGeometry();
|
---|
1538 | }
|
---|
1539 |
|
---|
1540 | return (mViewCellsManager != NULL);
|
---|
1541 | }
|
---|
1542 | //-------------------------------------------------------------------------
|
---|
1543 | void OcclusionCullingSceneManager::ApplyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
1544 | const bool load)
|
---|
1545 | {
|
---|
1546 | // NOTE: should not encounter NULL view cell,
|
---|
1547 | // rather apply view cell representing unbounded space then
|
---|
1548 | if (!vc)
|
---|
1549 | {
|
---|
1550 | LogManager::getSingleton().logMessage("error: should not come here");
|
---|
1551 | // question: if no view cell, set everything visible?
|
---|
1552 | //SetObjectsVisible(true);
|
---|
1553 | SetObjectsVisible(false);
|
---|
1554 | return;
|
---|
1555 | }
|
---|
1556 |
|
---|
1557 | ////////////
|
---|
1558 | //-- set PVS of view cell to visible
|
---|
1559 |
|
---|
1560 | //std::stringstream d; d << "appying new view cell pvs: " << vc->GetPvs().GetSize();
|
---|
1561 | //LogManager::getSingleton().logMessage(d.str());
|
---|
1562 |
|
---|
1563 | GtpVisibilityPreprocessor::ObjectPvsIterator pit = vc->GetPvs().GetIterator();
|
---|
1564 |
|
---|
1565 | while (pit.HasMoreEntries())
|
---|
1566 | {
|
---|
1567 | GtpVisibilityPreprocessor::Intersectable *obj = pit.Next();
|
---|
1568 |
|
---|
1569 | // no associated geometry found
|
---|
1570 | if (!obj) continue;
|
---|
1571 |
|
---|
1572 | SetObjectVisible(obj, load);
|
---|
1573 | }
|
---|
1574 | }
|
---|
1575 | //-------------------------------------------------------------------------
|
---|
1576 | void OcclusionCullingSceneManager::UpdatePvs(Camera *cam)
|
---|
1577 | {
|
---|
1578 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
1579 | return;
|
---|
1580 |
|
---|
1581 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
1582 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
1583 |
|
---|
1584 | //std::stringstream d; d << "vp: " << viewPoint;
|
---|
1585 | //LogManager::getSingleton().logMessage(d.str());
|
---|
1586 |
|
---|
1587 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
1588 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
1589 |
|
---|
1590 | // elementary view cell did not change => don't change pvs
|
---|
1591 | if (mElementaryViewCell == newElementary)
|
---|
1592 | return;
|
---|
1593 |
|
---|
1594 | mElementaryViewCell = newElementary;
|
---|
1595 |
|
---|
1596 |
|
---|
1597 | //////////////
|
---|
1598 | //-- unload old pvs
|
---|
1599 |
|
---|
1600 | ApplyViewCellPvs(mCurrentViewCell, false);
|
---|
1601 |
|
---|
1602 | // the new view cell
|
---|
1603 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
1604 |
|
---|
1605 | if (mUseVisibilityFilter)
|
---|
1606 | {
|
---|
1607 | ////////////
|
---|
1608 | //-- compute new filtered cell
|
---|
1609 |
|
---|
1610 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
1611 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
1612 | viewCell = prvs.mViewCell;
|
---|
1613 | }
|
---|
1614 | else
|
---|
1615 | {
|
---|
1616 | viewCell = newElementary;
|
---|
1617 | }
|
---|
1618 |
|
---|
1619 | ///////////////
|
---|
1620 | //-- load new pvs
|
---|
1621 |
|
---|
1622 | ApplyViewCellPvs(viewCell, true);
|
---|
1623 |
|
---|
1624 | if (viewCell)
|
---|
1625 | {
|
---|
1626 | // store current view cell
|
---|
1627 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
1628 | mCurrentViewCell->SetMesh(viewCell->GetMesh());
|
---|
1629 | mCurrentViewCell->SetId(viewCell->GetId());
|
---|
1630 |
|
---|
1631 | // delete merge tree of filtered view cell
|
---|
1632 | if (mUseVisibilityFilter)
|
---|
1633 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
1634 | }
|
---|
1635 | }
|
---|
1636 | //-------------------------------------------------------------------------
|
---|
1637 | void OcclusionCullingSceneManager::CreateViewCellsGeometry()
|
---|
1638 | {
|
---|
1639 | //LogManager::getSingleton().logMessage("creating view cells geometry");
|
---|
1640 | if (mViewCellsGeometryLoaded) return;
|
---|
1641 |
|
---|
1642 | GtpVisibilityPreprocessor::ViewCellContainer viewCells =
|
---|
1643 | mViewCellsManager->GetViewCells();
|
---|
1644 |
|
---|
1645 | GtpVisibilityPreprocessor::ViewCellContainer::const_iterator it, it_end = viewCells.end();
|
---|
1646 | for (it = viewCells.begin(); it != it_end; ++ it)
|
---|
1647 | {
|
---|
1648 | GtpVisibilityPreprocessor::ViewCell *viewCell = *it;
|
---|
1649 |
|
---|
1650 | ManualObject *manual =
|
---|
1651 | OgreTypeConverter::ConvertToOgre(viewCell->GetMesh(), this);
|
---|
1652 |
|
---|
1653 | if (manual)
|
---|
1654 | {
|
---|
1655 | mViewCellsGeometry[viewCell->GetId()] = manual;
|
---|
1656 |
|
---|
1657 | // attach to scene node
|
---|
1658 | getRootSceneNode()->createChildSceneNode()->attachObject(manual);
|
---|
1659 | manual->setQueryFlags(0); // returned by no query
|
---|
1660 |
|
---|
1661 | // initialy set to invisible
|
---|
1662 | manual->setVisible(false);
|
---|
1663 | }
|
---|
1664 | }
|
---|
1665 |
|
---|
1666 | mViewCellsGeometryLoaded = true;
|
---|
1667 | }
|
---|
1668 | //-------------------------------------------------------------------------
|
---|
1669 | void OcclusionCullingSceneManager::VisualizeViewCells(const bool visualize)
|
---|
1670 | {
|
---|
1671 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
|
---|
1672 |
|
---|
1673 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
|
---|
1674 | {
|
---|
1675 | if ((*mit).second)
|
---|
1676 | (*mit).second->setVisible(visualize);
|
---|
1677 | }
|
---|
1678 | }
|
---|
1679 | #if 0
|
---|
1680 | //-------------------------------------------------------------------------
|
---|
1681 | void OcclusionCullingSceneManager::TestVisible(SceneNode *node)
|
---|
1682 | {
|
---|
1683 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1684 | if (!node->mVisibleChildren)
|
---|
1685 | {
|
---|
1686 | node->setVisible(false);
|
---|
1687 | }
|
---|
1688 |
|
---|
1689 | node->getOctant()->mVisibleChildren --;
|
---|
1690 | }
|
---|
1691 | //-------------------------------------------------------------------------
|
---|
1692 | void OcclusionCullingSceneManager::TestVisible(Octree *octant)
|
---|
1693 | {
|
---|
1694 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1695 | if (!octant->mVisibleChildren)
|
---|
1696 | {
|
---|
1697 | octant->setVisible(false);
|
---|
1698 | }
|
---|
1699 | }
|
---|
1700 |
|
---|
1701 | //-------------------------------------------------------------------------
|
---|
1702 | void OcclusionCullingSceneManager::UpdateVisibility(Entity *ent)
|
---|
1703 | {
|
---|
1704 | if (!ent->isVisible())
|
---|
1705 | {
|
---|
1706 | bool visible = TestVisible(ent->getParentNode());
|
---|
1707 |
|
---|
1708 | if (!visible)
|
---|
1709 | visible = TestVisible(octant->getParentNode());
|
---|
1710 |
|
---|
1711 | if (!visible)
|
---|
1712 | mHierarchyInterface->pullupVisibility();
|
---|
1713 | }
|
---|
1714 | }
|
---|
1715 | #endif
|
---|
1716 | // splits strings containing multiple file names
|
---|
1717 | static int SplitFilenames(const std::string str,
|
---|
1718 | std::vector<std::string> &filenames)
|
---|
1719 | {
|
---|
1720 | int pos = 0;
|
---|
1721 |
|
---|
1722 | while(1)
|
---|
1723 | {
|
---|
1724 | int npos = (int)str.find(';', pos);
|
---|
1725 |
|
---|
1726 | if (npos < 0 || npos - pos < 1)
|
---|
1727 | break;
|
---|
1728 | filenames.push_back(std::string(str, pos, npos - pos));
|
---|
1729 | pos = npos + 1;
|
---|
1730 | }
|
---|
1731 |
|
---|
1732 | filenames.push_back(std::string(str, pos, str.size() - pos));
|
---|
1733 | return (int)filenames.size();
|
---|
1734 | }
|
---|
1735 | //-----------------------------------------------------------------------
|
---|
1736 | bool OcclusionCullingSceneManager::LoadScene(const String &filename,
|
---|
1737 | const String &viewCellsFilename)
|
---|
1738 | {
|
---|
1739 | using namespace std;
|
---|
1740 |
|
---|
1741 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
1742 | vector<string> filenames;
|
---|
1743 | const int files = SplitFilenames(filename, filenames);
|
---|
1744 |
|
---|
1745 | stringstream d;
|
---|
1746 | d << "number of input files: " << files << "\n";
|
---|
1747 | LogManager::getSingleton().logMessage(d.str());
|
---|
1748 |
|
---|
1749 | bool result = false;
|
---|
1750 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
1751 | int i = 0;
|
---|
1752 |
|
---|
1753 | if (filename == "terrain")
|
---|
1754 | {
|
---|
1755 | LogManager::getSingleton().logMessage("loading terrain");
|
---|
1756 |
|
---|
1757 | // terrain hack
|
---|
1758 | return false;
|
---|
1759 | }
|
---|
1760 |
|
---|
1761 | for (fit = filenames.begin(); fit != fit_end; ++ fit, ++ i)
|
---|
1762 | {
|
---|
1763 | const string fn = *fit;
|
---|
1764 |
|
---|
1765 | if (strstr(fn.c_str(), ".obj"))
|
---|
1766 | {
|
---|
1767 | // load iv files
|
---|
1768 | if (!LoadSceneObj(filename, viewCellsFilename, getRootSceneNode()))
|
---|
1769 | {
|
---|
1770 | LogManager::getSingleton().logMessage("error loading file");
|
---|
1771 | return false;
|
---|
1772 | }
|
---|
1773 | }
|
---|
1774 | else if (strstr(fn.c_str(), ".iv") || strstr(fn.c_str(), ".wrl"))
|
---|
1775 | {
|
---|
1776 | // load iv files
|
---|
1777 | if (!LoadSceneIV(fn, getRootSceneNode(), i))
|
---|
1778 | {
|
---|
1779 | // terrain hack
|
---|
1780 | LogManager::getSingleton().logMessage("error loading file");
|
---|
1781 | }
|
---|
1782 | }
|
---|
1783 |
|
---|
1784 | // at least one piece of geometry loaded
|
---|
1785 | result = true;
|
---|
1786 | }
|
---|
1787 |
|
---|
1788 | return result;
|
---|
1789 | }
|
---|
1790 | //-----------------------------------------------------------------------
|
---|
1791 | bool OcclusionCullingSceneManager::LoadSceneIV(const String &filename,
|
---|
1792 | SceneNode *root,
|
---|
1793 | const int index)
|
---|
1794 | {
|
---|
1795 | IVReader ivReader;
|
---|
1796 |
|
---|
1797 | Timer *timer = PlatformManager::getSingleton().createTimer();
|
---|
1798 | timer->reset();
|
---|
1799 |
|
---|
1800 | if (1)
|
---|
1801 | {
|
---|
1802 | std::string logFilename = "IVLog" + Ogre::StringConverter().toString(index) + ".log";
|
---|
1803 |
|
---|
1804 | Log *log = LogManager::getSingleton().createLog(logFilename);
|
---|
1805 | ivReader.setLog(log);
|
---|
1806 | }
|
---|
1807 |
|
---|
1808 | //viennaNode->translate(Vector3(-300, -300, 0));
|
---|
1809 |
|
---|
1810 | if (ivReader.loadFile(filename.c_str()))
|
---|
1811 | {
|
---|
1812 | SceneNode *node = root->createChildSceneNode("IVSceneNode" + index);
|
---|
1813 |
|
---|
1814 | ivReader.buildTree(this, node);
|
---|
1815 |
|
---|
1816 | ivReader.collapse();
|
---|
1817 |
|
---|
1818 | std::stringstream d;
|
---|
1819 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
|
---|
1820 | LogManager::getSingleton().logMessage(d.str());
|
---|
1821 |
|
---|
1822 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1823 |
|
---|
1824 | //-- bake into static geometry
|
---|
1825 | /*if (USE_STATIC_GEOMETRY)
|
---|
1826 | {
|
---|
1827 | BakeSceneIntoStaticGeometry("staticVienna", "Vienna");
|
---|
1828 | }*/
|
---|
1829 |
|
---|
1830 | return true;
|
---|
1831 | }
|
---|
1832 |
|
---|
1833 | return false;
|
---|
1834 | }
|
---|
1835 | //-----------------------------------------------------------------------
|
---|
1836 | void OcclusionCullingSceneManager::RenderDepthPass(const bool fillRenderQueue)
|
---|
1837 | {
|
---|
1838 | if (mNormalExecution)
|
---|
1839 | {
|
---|
1840 | // not in the normal workflow
|
---|
1841 | return;
|
---|
1842 | }
|
---|
1843 |
|
---|
1844 | // create material for depth pass
|
---|
1845 | InitDepthPass();
|
---|
1846 |
|
---|
1847 | ////////////////////
|
---|
1848 | //-- hierarchical culling
|
---|
1849 |
|
---|
1850 | // set all necessary parameters for
|
---|
1851 | // hierarchical visibility culling and rendering
|
---|
1852 | InitVisibilityCulling(mCameraInProgress);
|
---|
1853 |
|
---|
1854 |
|
---|
1855 | /**
|
---|
1856 | * the hierarchical culling algorithm
|
---|
1857 | * for depth pass: we just find objects and update depth buffer
|
---|
1858 | * for "delayed" rendering: we render some passes afterwards
|
---|
1859 | * e.g., transparents, because they need front-to-back sorting
|
---|
1860 | **/
|
---|
1861 |
|
---|
1862 | mVisibilityManager->ApplyVisibilityCulling();
|
---|
1863 |
|
---|
1864 | // delete remaining renderables from queue:
|
---|
1865 | // all which are not in mLeavePassesInQueue)
|
---|
1866 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
|
---|
1867 |
|
---|
1868 | /////////////
|
---|
1869 | //-- reset parameters needed for special rendering
|
---|
1870 |
|
---|
1871 | mIsDepthPassPhase = false;
|
---|
1872 | mIsItemBufferPhase = false;
|
---|
1873 | mSkipTransparents = false;
|
---|
1874 | mIsHierarchicalCulling = false;
|
---|
1875 | mLeavePassesInQueue = 0;
|
---|
1876 |
|
---|
1877 | if (fillRenderQueue)
|
---|
1878 | {
|
---|
1879 | // the shaded geometry is rendered in a second pass
|
---|
1880 | // add visible nodes found by the visibility culling algorithm
|
---|
1881 | NodeList::const_iterator it, it_end = mVisible.end();
|
---|
1882 | for (it = mVisible.begin(); it != it_end; ++ it)
|
---|
1883 | {
|
---|
1884 | (*it)->_addToRenderQueue(mCameraInProgress, getRenderQueue(), false);
|
---|
1885 | }
|
---|
1886 | }
|
---|
1887 | }
|
---|
1888 | //-----------------------------------------------------------------------
|
---|
1889 | bool OcclusionCullingSceneManager::LoadSceneObj(const String &filename,
|
---|
1890 | const String &viewCellsFile,
|
---|
1891 | SceneNode *root)
|
---|
1892 | {
|
---|
1893 | Timer *timer = PlatformManager::getSingleton().createTimer();
|
---|
1894 | timer->reset();
|
---|
1895 |
|
---|
1896 | if (!mObjReader->LoadFile(filename.c_str(), viewCellsFile, root))
|
---|
1897 | {
|
---|
1898 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1899 | return false;
|
---|
1900 | }
|
---|
1901 |
|
---|
1902 | std::stringstream d;
|
---|
1903 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
|
---|
1904 | LogManager::getSingleton().logMessage(d.str());
|
---|
1905 |
|
---|
1906 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1907 |
|
---|
1908 | return true;
|
---|
1909 | }
|
---|
1910 |
|
---|
1911 | //-----------------------------------------------------------------------
|
---|
1912 | void OcclusionCullingSceneManager::_renderScene(Camera* camera,
|
---|
1913 | Viewport* vp,
|
---|
1914 | bool includeOverlays)
|
---|
1915 | {
|
---|
1916 | Root::getSingleton()._setCurrentSceneManager(this);
|
---|
1917 | mActiveQueuedRenderableVisitor->targetSceneMgr = this;
|
---|
1918 |
|
---|
1919 | if (isShadowTechniqueInUse())
|
---|
1920 | {
|
---|
1921 | // Prepare shadow materials
|
---|
1922 | initShadowVolumeMaterials();
|
---|
1923 | }
|
---|
1924 |
|
---|
1925 | // Perform a quick pre-check to see whether we should override far distance
|
---|
1926 | // When using stencil volumes we have to use infinite far distance
|
---|
1927 | // to prevent dark caps getting clipped
|
---|
1928 | if (isShadowTechniqueStencilBased() &&
|
---|
1929 | camera->getProjectionType() == PT_PERSPECTIVE &&
|
---|
1930 | camera->getFarClipDistance() != 0 &&
|
---|
1931 | mDestRenderSystem->getCapabilities()->hasCapability(RSC_INFINITE_FAR_PLANE) &&
|
---|
1932 | mShadowUseInfiniteFarPlane)
|
---|
1933 | {
|
---|
1934 | // infinite far distance
|
---|
1935 | camera->setFarClipDistance(0);
|
---|
1936 | }
|
---|
1937 |
|
---|
1938 | mCameraInProgress = camera;
|
---|
1939 |
|
---|
1940 |
|
---|
1941 | // Update controllers
|
---|
1942 | ControllerManager::getSingleton().updateAllControllers();
|
---|
1943 |
|
---|
1944 | // Update the scene, only do this once per frame
|
---|
1945 | unsigned long thisFrameNumber = Root::getSingleton().getCurrentFrameNumber();
|
---|
1946 | if (thisFrameNumber != mLastFrameNumber)
|
---|
1947 | {
|
---|
1948 | // Update animations
|
---|
1949 | _applySceneAnimations();
|
---|
1950 | mLastFrameNumber = thisFrameNumber;
|
---|
1951 | }
|
---|
1952 |
|
---|
1953 | // Update scene graph for this camera (can happen multiple times per frame)
|
---|
1954 | _updateSceneGraph(camera);
|
---|
1955 |
|
---|
1956 | // Auto-track nodes
|
---|
1957 | AutoTrackingSceneNodes::iterator atsni, atsniend;
|
---|
1958 | atsniend = mAutoTrackingSceneNodes.end();
|
---|
1959 | for (atsni = mAutoTrackingSceneNodes.begin(); atsni != atsniend; ++atsni)
|
---|
1960 | {
|
---|
1961 | (*atsni)->_autoTrack();
|
---|
1962 | }
|
---|
1963 | // Auto-track camera if required
|
---|
1964 | camera->_autoTrack();
|
---|
1965 |
|
---|
1966 |
|
---|
1967 | // Are we using any shadows at all?
|
---|
1968 | if (isShadowTechniqueInUse() &&
|
---|
1969 | mIlluminationStage != IRS_RENDER_TO_TEXTURE &&
|
---|
1970 | vp->getShadowsEnabled() &&
|
---|
1971 | mFindVisibleObjects)
|
---|
1972 | {
|
---|
1973 | // Locate any lights which could be affecting the frustum
|
---|
1974 | findLightsAffectingFrustum(camera);
|
---|
1975 | if (isShadowTechniqueTextureBased())
|
---|
1976 | {
|
---|
1977 | // *******
|
---|
1978 | // WARNING
|
---|
1979 | // *******
|
---|
1980 | // This call will result in re-entrant calls to this method
|
---|
1981 | // therefore anything which comes before this is NOT
|
---|
1982 | // guaranteed persistent. Make sure that anything which
|
---|
1983 | // MUST be specific to this camera / target is done
|
---|
1984 | // AFTER THIS POINT
|
---|
1985 | prepareShadowTextures(camera, vp);
|
---|
1986 | // reset the cameras because of the re-entrant call
|
---|
1987 | mCameraInProgress = camera;
|
---|
1988 | }
|
---|
1989 | }
|
---|
1990 |
|
---|
1991 | // Invert vertex winding?
|
---|
1992 | if (camera->isReflected())
|
---|
1993 | {
|
---|
1994 | mDestRenderSystem->setInvertVertexWinding(true);
|
---|
1995 | }
|
---|
1996 | else
|
---|
1997 | {
|
---|
1998 | mDestRenderSystem->setInvertVertexWinding(false);
|
---|
1999 | }
|
---|
2000 |
|
---|
2001 | // Tell params about viewport
|
---|
2002 | mAutoParamDataSource.setCurrentViewport(vp);
|
---|
2003 | // Set the viewport
|
---|
2004 | setViewport(vp);
|
---|
2005 |
|
---|
2006 | // Tell params about camera
|
---|
2007 | mAutoParamDataSource.setCurrentCamera(camera);
|
---|
2008 | // Set autoparams for finite dir light extrusion
|
---|
2009 | mAutoParamDataSource.setShadowDirLightExtrusionDistance(mShadowDirLightExtrudeDist);
|
---|
2010 |
|
---|
2011 | // Tell params about current ambient light
|
---|
2012 | mAutoParamDataSource.setAmbientLightColour(mAmbientLight);
|
---|
2013 | // Tell rendersystem
|
---|
2014 | mDestRenderSystem->setAmbientLight(mAmbientLight.r, mAmbientLight.g, mAmbientLight.b);
|
---|
2015 |
|
---|
2016 | // Tell params about render target
|
---|
2017 | mAutoParamDataSource.setCurrentRenderTarget(vp->getTarget());
|
---|
2018 |
|
---|
2019 |
|
---|
2020 | // Set camera window clipping planes (if any)
|
---|
2021 | if (mDestRenderSystem->getCapabilities()->hasCapability(RSC_USER_CLIP_PLANES))
|
---|
2022 | {
|
---|
2023 | if (camera->isWindowSet())
|
---|
2024 | {
|
---|
2025 | const std::vector<Plane>& planeList =
|
---|
2026 | camera->getWindowPlanes();
|
---|
2027 | for (ushort i = 0; i < 4; ++i)
|
---|
2028 | {
|
---|
2029 | mDestRenderSystem->enableClipPlane(i, true);
|
---|
2030 | mDestRenderSystem->setClipPlane(i, planeList[i]);
|
---|
2031 | }
|
---|
2032 | }
|
---|
2033 | else
|
---|
2034 | {
|
---|
2035 | for (ushort i = 0; i < 4; ++i)
|
---|
2036 | {
|
---|
2037 | mDestRenderSystem->enableClipPlane(i, false);
|
---|
2038 | }
|
---|
2039 | }
|
---|
2040 | }
|
---|
2041 |
|
---|
2042 | // Prepare render queue for receiving new objects
|
---|
2043 | prepareRenderQueue();
|
---|
2044 |
|
---|
2045 | mDestRenderSystem->_beginGeometryCount();
|
---|
2046 | // Begin the frame
|
---|
2047 | mDestRenderSystem->_beginFrame();
|
---|
2048 |
|
---|
2049 | // Set rasterisation mode
|
---|
2050 | mDestRenderSystem->_setPolygonMode(camera->getPolygonMode());
|
---|
2051 |
|
---|
2052 | // Set initial camera state
|
---|
2053 | mDestRenderSystem->_setProjectionMatrix(mCameraInProgress->getProjectionMatrixRS());
|
---|
2054 | mDestRenderSystem->_setViewMatrix(mCameraInProgress->getViewMatrix(true));
|
---|
2055 |
|
---|
2056 |
|
---|
2057 | if (mFindVisibleObjects)
|
---|
2058 | {
|
---|
2059 | // Parse the scene and tag visibles
|
---|
2060 | myFindVisibleObjects(camera,
|
---|
2061 | mIlluminationStage == IRS_RENDER_TO_TEXTURE? true : false);
|
---|
2062 | }
|
---|
2063 | // Add overlays, if viewport deems it
|
---|
2064 | if (vp->getOverlaysEnabled() && mIlluminationStage != IRS_RENDER_TO_TEXTURE)
|
---|
2065 | {
|
---|
2066 | OverlayManager::getSingleton()._queueOverlaysForRendering(camera, getRenderQueue(), vp);
|
---|
2067 | }
|
---|
2068 | // Queue skies, if viewport seems it
|
---|
2069 | if (vp->getSkiesEnabled() && mFindVisibleObjects && mIlluminationStage != IRS_RENDER_TO_TEXTURE)
|
---|
2070 | {
|
---|
2071 | _queueSkiesForRendering(camera);
|
---|
2072 | }
|
---|
2073 |
|
---|
2074 |
|
---|
2075 | // Render scene content
|
---|
2076 | _renderVisibleObjects();
|
---|
2077 |
|
---|
2078 | // End frame
|
---|
2079 | mDestRenderSystem->_endFrame();
|
---|
2080 |
|
---|
2081 | // Notify camera or vis faces
|
---|
2082 | camera->_notifyRenderedFaces(mDestRenderSystem->_getFaceCount());
|
---|
2083 | }
|
---|
2084 | //-----------------------------------------------------------------------
|
---|
2085 | int OcclusionCullingSceneManager::FindExactVisibleObjects(Camera *camera,
|
---|
2086 | Viewport* vp,
|
---|
2087 | const bool fromPoint,
|
---|
2088 | const bool nodeVisibility)
|
---|
2089 | {
|
---|
2090 | const int itemBufferMode = 0;
|
---|
2091 | const bool relativeVisibility = false;
|
---|
2092 |
|
---|
2093 | int queryModes = 0;
|
---|
2094 |
|
---|
2095 | if (nodeVisibility)
|
---|
2096 | queryModes |= GtpVisibility::QueryManager::NODE_VISIBILITY;
|
---|
2097 | else
|
---|
2098 | queryModes |= GtpVisibility::QueryManager::GEOMETRY_VISIBILITY;
|
---|
2099 |
|
---|
2100 | OcclusionQueriesQueryManager *queryManager =
|
---|
2101 | new OcclusionQueriesQueryManager(mHierarchyInterface,
|
---|
2102 | vp,
|
---|
2103 | queryModes,
|
---|
2104 | itemBufferMode);
|
---|
2105 |
|
---|
2106 | mVisibilityManager->SetQueryManager(queryManager);
|
---|
2107 |
|
---|
2108 | GtpVisibility::NodeInfoContainer visibleNodes;
|
---|
2109 | GtpVisibility::MeshInfoContainer visibleGeometry;
|
---|
2110 | GtpVisibility::PatchInfoContainer visiblePatches;
|
---|
2111 |
|
---|
2112 | if (fromPoint)
|
---|
2113 | {
|
---|
2114 | queryManager->ComputeFromPointVisibility(camera->getDerivedPosition(),
|
---|
2115 | &visibleNodes,
|
---|
2116 | &visibleGeometry,
|
---|
2117 | &visiblePatches,
|
---|
2118 | relativeVisibility);
|
---|
2119 | }
|
---|
2120 | else
|
---|
2121 | {
|
---|
2122 | queryManager->ComputeCameraVisibility(*camera,
|
---|
2123 | &visibleNodes,
|
---|
2124 | &visibleGeometry,
|
---|
2125 | &visiblePatches,
|
---|
2126 | relativeVisibility);
|
---|
2127 | }
|
---|
2128 |
|
---|
2129 | if (0)
|
---|
2130 | {
|
---|
2131 | std::stringstream d;
|
---|
2132 | d << "Query mode: " << queryModes
|
---|
2133 | << " visible nodes: " << (int)visibleNodes.size()
|
---|
2134 | << " visible geometry: " << (int)visibleGeometry.size();
|
---|
2135 |
|
---|
2136 | LogManager::getSingleton().logMessage(d.str());
|
---|
2137 | }
|
---|
2138 |
|
---|
2139 | ///////////////////////
|
---|
2140 | //-- put items in render queue
|
---|
2141 | //////////
|
---|
2142 |
|
---|
2143 | getRenderQueue()->clear();
|
---|
2144 |
|
---|
2145 | //////////////////////
|
---|
2146 | //-- apply queries on geometry level
|
---|
2147 |
|
---|
2148 | if (!nodeVisibility)
|
---|
2149 | {
|
---|
2150 | GtpVisibility::MeshInfoContainer::iterator geomIt, geomIt_end = visibleGeometry.end();
|
---|
2151 |
|
---|
2152 | for (geomIt = visibleGeometry.begin(); geomIt != geomIt_end; ++geomIt)
|
---|
2153 | {
|
---|
2154 | MovableObject *mo = (*geomIt).GetSource();
|
---|
2155 |
|
---|
2156 | // add if not 0
|
---|
2157 | if (!(*geomIt).GetVisiblePixels())
|
---|
2158 | continue;
|
---|
2159 |
|
---|
2160 | mo->_notifyCurrentCamera(camera);
|
---|
2161 |
|
---|
2162 | if (mo->isVisible())
|
---|
2163 | {
|
---|
2164 | mo->_updateRenderQueue(getRenderQueue());
|
---|
2165 | }
|
---|
2166 | }
|
---|
2167 | }
|
---|
2168 | else
|
---|
2169 | {
|
---|
2170 | ////////////////
|
---|
2171 | //-- apply queries on node level
|
---|
2172 |
|
---|
2173 | GtpVisibility::NodeInfoContainer::iterator nodesIt, nodesIt_end = visibleNodes.end();
|
---|
2174 |
|
---|
2175 | for (nodesIt = visibleNodes.begin(); nodesIt != nodesIt_end; ++ nodesIt)
|
---|
2176 | {
|
---|
2177 | if (!(*nodesIt).GetVisiblePixels())
|
---|
2178 | continue;
|
---|
2179 |
|
---|
2180 | Octree *octree = static_cast<Octree *>((*nodesIt).GetSource());
|
---|
2181 |
|
---|
2182 | NodeList::iterator nIt, nIt_end = octree->mNodes.end();
|
---|
2183 |
|
---|
2184 | for (nIt = octree->mNodes.begin(); nIt != nIt_end; ++ nIt)
|
---|
2185 | {
|
---|
2186 | (*nIt)->_addToRenderQueue(camera, getRenderQueue(), false);
|
---|
2187 | }
|
---|
2188 | }
|
---|
2189 | }
|
---|
2190 |
|
---|
2191 | delete queryManager;
|
---|
2192 |
|
---|
2193 | if (nodeVisibility)
|
---|
2194 | return (int)visibleNodes.size();
|
---|
2195 | else
|
---|
2196 | return (int)visibleGeometry.size();
|
---|
2197 | }
|
---|
2198 | //-----------------------------------------------------------------------
|
---|
2199 | void OcclusionCullingSceneManager::RenderDepthForQuery(Camera* camera,
|
---|
2200 | Viewport* vp)
|
---|
2201 | {
|
---|
2202 | Root::getSingleton()._setCurrentSceneManager(this);
|
---|
2203 | mActiveQueuedRenderableVisitor->targetSceneMgr = this;
|
---|
2204 |
|
---|
2205 | mCameraInProgress = camera;
|
---|
2206 |
|
---|
2207 | // Update scene graph for this camera (can happen multiple times per frame)
|
---|
2208 | _updateSceneGraph(camera);
|
---|
2209 |
|
---|
2210 | // Invert vertex winding?
|
---|
2211 | if (camera->isReflected())
|
---|
2212 | {
|
---|
2213 | mDestRenderSystem->setInvertVertexWinding(true);
|
---|
2214 | }
|
---|
2215 | else
|
---|
2216 | {
|
---|
2217 | mDestRenderSystem->setInvertVertexWinding(false);
|
---|
2218 | }
|
---|
2219 |
|
---|
2220 | // Tell params about viewport
|
---|
2221 | mAutoParamDataSource.setCurrentViewport(vp);
|
---|
2222 | // Set the viewport
|
---|
2223 | setViewport(vp);
|
---|
2224 |
|
---|
2225 | // Tell params about camera
|
---|
2226 | mAutoParamDataSource.setCurrentCamera(camera);
|
---|
2227 | // Set autoparams for finite dir light extrusion
|
---|
2228 | mAutoParamDataSource.setShadowDirLightExtrusionDistance(mShadowDirLightExtrudeDist);
|
---|
2229 |
|
---|
2230 | // Tell params about current ambient light
|
---|
2231 | mAutoParamDataSource.setAmbientLightColour(mAmbientLight);
|
---|
2232 | // Tell rendersystem
|
---|
2233 | mDestRenderSystem->setAmbientLight(mAmbientLight.r, mAmbientLight.g, mAmbientLight.b);
|
---|
2234 |
|
---|
2235 | // Tell params about render target
|
---|
2236 | mAutoParamDataSource.setCurrentRenderTarget(vp->getTarget());
|
---|
2237 |
|
---|
2238 |
|
---|
2239 | // Set camera window clipping planes (if any)
|
---|
2240 | if (mDestRenderSystem->getCapabilities()->hasCapability(RSC_USER_CLIP_PLANES))
|
---|
2241 | {
|
---|
2242 | if (camera->isWindowSet())
|
---|
2243 | {
|
---|
2244 | const std::vector<Plane>& planeList =
|
---|
2245 | camera->getWindowPlanes();
|
---|
2246 | for (ushort i = 0; i < 4; ++i)
|
---|
2247 | {
|
---|
2248 | mDestRenderSystem->enableClipPlane(i, true);
|
---|
2249 | mDestRenderSystem->setClipPlane(i, planeList[i]);
|
---|
2250 | }
|
---|
2251 | }
|
---|
2252 | else
|
---|
2253 | {
|
---|
2254 | for (ushort i = 0; i < 4; ++i)
|
---|
2255 | {
|
---|
2256 | mDestRenderSystem->enableClipPlane(i, false);
|
---|
2257 | }
|
---|
2258 | }
|
---|
2259 | }
|
---|
2260 |
|
---|
2261 | // Prepare render queue for receiving new objects
|
---|
2262 | prepareRenderQueue();
|
---|
2263 |
|
---|
2264 | // Begin the frame
|
---|
2265 | mDestRenderSystem->_beginFrame();
|
---|
2266 |
|
---|
2267 | // Set rasterisation mode
|
---|
2268 | mDestRenderSystem->_setPolygonMode(camera->getPolygonMode());
|
---|
2269 |
|
---|
2270 | // Set initial camera state
|
---|
2271 | mDestRenderSystem->_setProjectionMatrix(mCameraInProgress->getProjectionMatrixRS());
|
---|
2272 | mDestRenderSystem->_setViewMatrix(mCameraInProgress->getViewMatrix(true));
|
---|
2273 |
|
---|
2274 | // // Render scene content in order fill depth buffer
|
---|
2275 | bool savedUseDepthPass = mUseDepthPass;
|
---|
2276 | mUseDepthPass = true;
|
---|
2277 |
|
---|
2278 | // don't need shading, render only depth pass
|
---|
2279 | const bool fillQueue = false;
|
---|
2280 | RenderDepthPass(fillQueue);
|
---|
2281 | // _renderVisibleObjects();
|
---|
2282 |
|
---|
2283 | mUseDepthPass = savedUseDepthPass;
|
---|
2284 |
|
---|
2285 | // End frame
|
---|
2286 | mDestRenderSystem->_endFrame();
|
---|
2287 | }
|
---|
2288 | //-----------------------------------------------------------------------
|
---|
2289 | const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
|
---|
2290 | //-----------------------------------------------------------------------
|
---|
2291 | void OcclusionCullingSceneManagerFactory::initMetaData(void) const
|
---|
2292 | {
|
---|
2293 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
2294 | mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
|
---|
2295 | mMetaData.sceneTypeMask = 0xFFFF; // support all types
|
---|
2296 | mMetaData.worldGeometrySupported = false;
|
---|
2297 | }
|
---|
2298 | //-----------------------------------------------------------------------
|
---|
2299 | SceneManager *OcclusionCullingSceneManagerFactory::createInstance(
|
---|
2300 | const String& instanceName)
|
---|
2301 | {
|
---|
2302 | OcclusionCullingSceneManager* tsm =
|
---|
2303 | new OcclusionCullingSceneManager(instanceName, visManager);
|
---|
2304 |
|
---|
2305 | // Create & register default sources (one per manager)
|
---|
2306 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource();
|
---|
2307 | mTerrainPageSources.push_back(ps);
|
---|
2308 | tsm->registerPageSource("Heightmap", ps);
|
---|
2309 |
|
---|
2310 | return tsm;
|
---|
2311 | }
|
---|
2312 | //-----------------------------------------------------------------------
|
---|
2313 | void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
2314 | {
|
---|
2315 | delete instance;
|
---|
2316 | }
|
---|
2317 |
|
---|
2318 | } // namespace Ogre
|
---|