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 |
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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().logMessage("****** OcclusionCullingSceneManager Options ********");
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197 | config.load(stream);
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198 |
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199 | std::stringstream d;
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200 |
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201 | val = config.getSetting("DepthPass");
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202 |
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203 | if (!val.empty())
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204 | {
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205 | mUseDepthPass = atoi(val.c_str());
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206 | }
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207 |
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208 | if (mUseDepthPass)
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209 | LogManager::getSingleton().logMessage("using depth");
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210 | else
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211 | LogManager::getSingleton().logMessage("not using depth");
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212 |
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213 | val = config.getSetting("FlushQueue");
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214 |
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215 | if (!val.empty())
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216 | {
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217 | mDeleteQueueAfterRendering = atoi(val.c_str());
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218 | }
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219 |
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220 | if (mDeleteQueueAfterRendering)
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221 | LogManager::getSingleton().logMessage("flushing queue");
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222 | else
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223 | LogManager::getSingleton().logMessage("not flushing queue");
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224 |
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225 | val = config.getSetting("Scene");
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226 |
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227 | if (!val.empty())
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228 | {
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229 | mFilename = val.c_str();
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230 |
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231 | // load terrain instead of scene
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232 | if (mFilename == "terrain")
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233 | {
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234 | mShowTerrain = true;
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235 | LogManager::getSingleton().logMessage("loading terrain");
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236 | }
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237 | else
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238 | {
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239 | mShowTerrain = false;
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240 | LogManager::getSingleton().logMessage("loading geometry");
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241 | }
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242 | }
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243 |
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244 | if (!mShowTerrain)
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245 | {
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246 | val = config.getSetting("ViewCells");
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247 |
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248 | if (!val.empty())
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249 | {
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250 | mViewCellsFilename = val;
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251 | }
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252 | }
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253 |
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254 | val = config.getSetting("OnlineCullingAlgorithm");
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255 |
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256 | if (!val.empty())
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257 | {
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258 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm;
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259 |
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260 | if (val == "CHC")
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261 | {
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262 | algorithm =
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263 | GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING;
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264 | }
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265 | else if (val == "SWC")
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266 | {
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267 | algorithm =
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268 | GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING;
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269 | }
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270 | else if (val == "VFC")
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271 | {
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272 | algorithm =
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273 | GtpVisibility::VisibilityEnvironment::FRUSTUM_CULLING;
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274 | }
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275 | else // default rendering
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276 | {
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277 | algorithm =
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278 | GtpVisibility::VisibilityEnvironment::NUM_CULLING_MANAGERS;
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279 |
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280 | mNormalExecution = true;
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281 | }
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282 |
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283 | mVisibilityManager->SetCullingManager(algorithm);
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284 |
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285 | d << "setting algorithm to: " << algorithm;
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286 | LogManager::getSingleton().logMessage(d.str());
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287 | }
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288 |
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289 | /////////////
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290 | // terrain options
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291 |
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292 | if (!mShowTerrain)
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293 | return;
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294 |
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295 | val = config.getSetting("DetailTile");
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296 | if (!val.empty())
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297 | setDetailTextureRepeat(atoi(val.c_str()));
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298 |
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299 | val = config.getSetting("MaxMipMapLevel");
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300 | if (!val.empty())
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301 | setMaxGeoMipMapLevel(atoi(val.c_str()));
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302 |
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303 |
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304 | val = config.getSetting("PageSize");
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305 | if (!val.empty())
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306 | setPageSize(atoi(val.c_str()));
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307 | else
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308 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSize'",
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309 | "TerrainSceneManager::loadConfig");
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310 |
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311 |
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312 | val = config.getSetting("TileSize");
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313 | if (!val.empty())
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314 | setTileSize(atoi(val.c_str()));
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315 | else
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316 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'TileSize'",
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317 | "TerrainSceneManager::loadConfig");
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318 |
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319 | Vector3 v = Vector3::UNIT_SCALE;
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320 |
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321 | val = config.getSetting( "PageWorldX" );
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322 | if ( !val.empty() )
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323 | v.x = atof( val.c_str() );
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324 |
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325 | val = config.getSetting( "MaxHeight" );
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326 | if ( !val.empty() )
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327 | v.y = atof( val.c_str() );
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328 |
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329 | val = config.getSetting( "PageWorldZ" );
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330 | if ( !val.empty() )
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331 | v.z = atof( val.c_str() );
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332 |
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333 | // Scale x/z relative to pagesize
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334 | v.x /= mOptions.pageSize;
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335 | v.z /= mOptions.pageSize;
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336 | setScale(v);
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337 |
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338 | val = config.getSetting( "MaxPixelError" );
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339 | if ( !val.empty() )
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340 | setMaxPixelError(atoi( val.c_str() ));
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341 |
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342 | mDetailTextureName = config.getSetting( "DetailTexture" );
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343 |
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344 | mWorldTextureName = config.getSetting( "WorldTexture" );
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345 |
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346 | if ( config.getSetting( "VertexColours" ) == "yes" )
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347 | mOptions.coloured = true;
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348 |
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349 | if ( config.getSetting( "VertexNormals" ) == "yes" )
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350 | mOptions.lit = true;
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351 |
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352 | if ( config.getSetting( "UseTriStrips" ) == "yes" )
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353 | setUseTriStrips(true);
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354 |
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355 | if ( config.getSetting( "VertexProgramMorph" ) == "yes" )
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356 | setUseLODMorph(true);
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357 |
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358 | val = config.getSetting( "LODMorphStart");
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359 | if ( !val.empty() )
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360 | setLODMorphStart(atof(val.c_str()));
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361 |
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362 | val = config.getSetting( "CustomMaterialName" );
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363 | if ( !val.empty() )
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364 | setCustomMaterial(val);
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365 |
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366 | val = config.getSetting( "MorphLODFactorParamName" );
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367 | if ( !val.empty() )
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368 | setCustomMaterialMorphFactorParam(val);
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369 |
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370 | val = config.getSetting( "MorphLODFactorParamIndex" );
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371 | if ( !val.empty() )
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372 | setCustomMaterialMorphFactorParam(atoi(val.c_str()));
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373 |
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374 | // Now scan through the remaining settings, looking for any PageSource
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375 | // prefixed items
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376 | String pageSourceName = config.getSetting("PageSource");
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377 | if (pageSourceName == "")
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378 | {
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379 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSource'",
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380 | "TerrainSceneManager::loadConfig");
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381 | }
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382 |
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383 | TerrainPageSourceOptionList optlist;
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384 | ConfigFile::SettingsIterator setIt = config.getSettingsIterator();
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385 | while (setIt.hasMoreElements())
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386 | {
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387 | String name = setIt.peekNextKey();
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388 | String value = setIt.getNext();
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389 | if (StringUtil::startsWith(name, pageSourceName, false))
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390 | {
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391 | optlist.push_back(TerrainPageSourceOption(name, value));
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392 | }
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393 | }
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394 |
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395 | // set the page source
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396 | selectPageSource(pageSourceName, optlist);
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397 |
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398 | LogManager::getSingleton().logMessage("****** Finished OcclusionCullingSceneManager Options ********");
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399 | }
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400 |
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401 |
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402 | void OcclusionCullingSceneManager::MailPvsObjects()
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403 | {
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404 | GtpVisibilityPreprocessor::ObjectPvsIterator pit =
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405 | mCurrentViewCell->GetPvs().GetIterator();
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406 |
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407 | while (pit.HasMoreEntries())
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408 | {
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409 | GtpVisibilityPreprocessor::Intersectable *obj = pit.Next();
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410 |
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411 | if (obj->Type() !=
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412 | GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE)
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413 | continue;
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414 |
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415 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(obj);
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416 |
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417 | EntityContainer *entries = oi->GetItem();
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418 | EntityContainer::const_iterator eit, eit_end = entries->end();
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419 |
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420 | for (eit = entries->begin(); eit != eit_end; ++ eit)
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421 | {
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422 | (*eit)->setUserAny(Any((int)0));
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423 | }
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424 | }
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425 | }
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426 | //-----------------------------------------------------------------------
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427 | void OcclusionCullingSceneManager::ShowViewCellsGeometry()
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428 | {/*
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429 | // show only current view cell
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430 | if (!mShowViewCells)
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431 | {
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432 | const int id = mCurrentViewCell->GetId();
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433 |
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434 | MovableMap::iterator fit = mViewCellsGeometry.find(id);
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435 |
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436 | if ((fit != mViewCellsGeometry.end()) && (*fit).second)
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437 | (*fit).second->_updateRenderQueue(getRenderQueue());
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438 | }
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439 | else
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440 | {
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441 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
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442 |
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443 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
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444 | {
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445 | if ((*mit).second)
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446 | (*mit).second->_updateRenderQueue(getRenderQueue());
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447 | }
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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 | void OcclusionCullingSceneManager::RenderPvsEntry(GtpVisibilityPreprocessor::Intersectable *obj)
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453 | {
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454 | switch (obj->Type())
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455 | {
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456 | case GtpVisibilityPreprocessor::Intersectable::OGRE_MESH_INSTANCE:
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457 | {
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458 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(obj);
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459 | omi->GetEntity()->_updateRenderQueue(getRenderQueue());
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460 | }
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461 | break;
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462 |
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463 | case GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE:
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464 | {
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465 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(obj);
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466 |
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467 | EntityContainer *entries = oi->GetItem();
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468 | EntityContainer::const_iterator eit, eit_end = entries->end();
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469 |
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470 | for (eit = entries->begin(); eit != eit_end; ++ eit)
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471 | {
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472 | Entity *ent = *eit;
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473 | // mailing hack
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474 | Any newAny = ent->getUserAny();
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475 | int flt = any_cast<int>(newAny);
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476 |
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477 | if (any_cast<int>(newAny) == 0)
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478 | {
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479 | ent->setUserAny(Any((int)1));
|
---|
480 | ent->_updateRenderQueue(getRenderQueue());
|
---|
481 | }
|
---|
482 | }
|
---|
483 | }
|
---|
484 | break;
|
---|
485 | default:
|
---|
486 | break;
|
---|
487 | }
|
---|
488 | }
|
---|
489 | //-----------------------------------------------------------------------
|
---|
490 | void OcclusionCullingSceneManager::SetObjectVisible(GtpVisibilityPreprocessor::Intersectable *entry,
|
---|
491 | const bool visible)
|
---|
492 | {
|
---|
493 | switch (entry->Type())
|
---|
494 | {
|
---|
495 | case GtpVisibilityPreprocessor::Intersectable::OGRE_MESH_INSTANCE:
|
---|
496 | {
|
---|
497 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(entry);
|
---|
498 | omi->GetEntity()->setVisible(visible);
|
---|
499 | //GtpVisibilityPreprocessor::Debug << "assigned id " << omi->GetId() << endl;
|
---|
500 | }
|
---|
501 | break;
|
---|
502 | case GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE:
|
---|
503 | {
|
---|
504 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(entry);
|
---|
505 |
|
---|
506 | EntityContainer *entries = oi->GetItem();
|
---|
507 | EntityContainer::const_iterator eit, eit_end = entries->end();
|
---|
508 | for (eit = entries->begin(); eit != eit_end; ++ eit)
|
---|
509 | {
|
---|
510 | Entity *ent = *eit;
|
---|
511 | ent->setVisible(visible);
|
---|
512 | }
|
---|
513 | }
|
---|
514 | break;
|
---|
515 | default:
|
---|
516 | break;
|
---|
517 | }
|
---|
518 | }
|
---|
519 | //-----------------------------------------------------------------------
|
---|
520 | void OcclusionCullingSceneManager::PrepareVisualization(Camera *cam)
|
---|
521 | {
|
---|
522 | // add player camera for visualization purpose
|
---|
523 | try
|
---|
524 | {
|
---|
525 | Camera *c;
|
---|
526 | if ((c = getCamera("PlayerCam")) != NULL)
|
---|
527 | {
|
---|
528 | getRenderQueue()->addRenderable(c);
|
---|
529 | }
|
---|
530 | }
|
---|
531 | catch (...)
|
---|
532 | {
|
---|
533 | // ignore
|
---|
534 | }
|
---|
535 |
|
---|
536 | // add bounding boxes of rendered objects
|
---|
537 | if (0)
|
---|
538 | for (BoxList::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it)
|
---|
539 | {
|
---|
540 | getRenderQueue()->addRenderable(*it);
|
---|
541 | }
|
---|
542 |
|
---|
543 | // show current view cell geometry
|
---|
544 | if (mCurrentViewCell)// && mCurrentViewCell->GetMesh())
|
---|
545 | {
|
---|
546 | //const bool showSingleViewCell = true;
|
---|
547 | if (mViewCellsGeometryLoaded)
|
---|
548 | {
|
---|
549 | ShowViewCellsGeometry();
|
---|
550 | }
|
---|
551 |
|
---|
552 | //////////
|
---|
553 | //-- set PVS of view cell visible
|
---|
554 |
|
---|
555 | GtpVisibilityPreprocessor::ObjectPvsIterator pit =
|
---|
556 | mCurrentViewCell->GetPvs().GetIterator();
|
---|
557 |
|
---|
558 | MailPvsObjects();
|
---|
559 |
|
---|
560 | while (pit.HasMoreEntries())
|
---|
561 | {
|
---|
562 | RenderPvsEntry(pit.Next());
|
---|
563 | }
|
---|
564 | }
|
---|
565 | #if 0
|
---|
566 | if (mRenderNodesForViz || mRenderNodesContentForViz)
|
---|
567 | {
|
---|
568 | // HACK: change node material so it is better suited for visualization
|
---|
569 | MaterialPtr nodeMat = MaterialManager::getSingleton().getByName("Core/NodeMaterial");
|
---|
570 | nodeMat->setAmbient(1, 1, 0);
|
---|
571 | nodeMat->setLightingEnabled(true);
|
---|
572 | nodeMat->getTechnique(0)->getPass(0)->removeAllTextureUnitStates();
|
---|
573 |
|
---|
574 | for (NodeList::iterator it = mVisible.begin(); it != mVisible.end(); ++it)
|
---|
575 | {
|
---|
576 | if (mRenderNodesForViz)
|
---|
577 | {
|
---|
578 | // render the visible leaf nodes
|
---|
579 | if ((*it)->numAttachedObjects() &&
|
---|
580 | !(*it)->numChildren() &&
|
---|
581 | ((*it)->getAttachedObject(0)->getMovableType() == "Entity") &&
|
---|
582 | (*it)->getAttachedObject(0)->isVisible())
|
---|
583 | {
|
---|
584 | //getRenderQueue()->addRenderable((*it));
|
---|
585 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
|
---|
586 | }
|
---|
587 |
|
---|
588 | // add bounding boxes instead of node itself
|
---|
589 | if (0)
|
---|
590 | (*it)->_addBoundingBoxToQueue(getRenderQueue());
|
---|
591 | }
|
---|
592 |
|
---|
593 | // add renderables itself
|
---|
594 | if (mRenderNodesContentForViz)
|
---|
595 | {
|
---|
596 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
|
---|
597 | }
|
---|
598 | }
|
---|
599 | }
|
---|
600 | #endif
|
---|
601 | }
|
---|
602 | //-----------------------------------------------------------------------
|
---|
603 | const Pass *OcclusionCullingSceneManager::_setPass(const Pass* pass, bool evenIfSuppressed)
|
---|
604 | {
|
---|
605 | if (mNormalExecution)
|
---|
606 | {
|
---|
607 | return SceneManager::_setPass(pass);
|
---|
608 | }
|
---|
609 |
|
---|
610 | // TODO: setting vertex program is not efficient
|
---|
611 | //Pass *usedPass = ((mIsDepthPassPhase && !pass->hasVertexProgram()) ? mDepthPass : pass);
|
---|
612 |
|
---|
613 | // set depth fill pass if we currently do not make an aabb occlusion query
|
---|
614 | const bool useDepthPass =
|
---|
615 | (mIsDepthPassPhase && !mHierarchyInterface->IsBoundingBoxQuery());
|
---|
616 |
|
---|
617 | const IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
618 |
|
---|
619 | // set illumination stage to NONE so no shadow material is used
|
---|
620 | // for depth pass or for occlusion query
|
---|
621 | if (mIsDepthPassPhase || mHierarchyInterface->IsBoundingBoxQuery())
|
---|
622 | {
|
---|
623 | mIlluminationStage = IRS_NONE;
|
---|
624 | }
|
---|
625 |
|
---|
626 | // --- set vertex program of current pass in order to set correct depth
|
---|
627 | if (mExecuteVertexProgramForAllPasses &&
|
---|
628 | mIsDepthPassPhase &&
|
---|
629 | pass->hasVertexProgram())
|
---|
630 | {
|
---|
631 | // add vertex program of current pass to depth pass
|
---|
632 | mDepthPass->setVertexProgram(pass->getVertexProgramName());
|
---|
633 |
|
---|
634 | if (mDepthPass->hasVertexProgram())
|
---|
635 | {
|
---|
636 | const GpuProgramPtr& prg = mDepthPass->getVertexProgram();
|
---|
637 | // Load this program if not done already
|
---|
638 | if (!prg->isLoaded())
|
---|
639 | prg->load();
|
---|
640 | // Copy params
|
---|
641 | mDepthPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
642 | }
|
---|
643 | }
|
---|
644 | else if (mDepthPass->hasVertexProgram()) // reset vertex program
|
---|
645 | {
|
---|
646 | mDepthPass->setVertexProgram("");
|
---|
647 | }
|
---|
648 |
|
---|
649 | const Pass *usedPass = useDepthPass ? mDepthPass : pass;
|
---|
650 |
|
---|
651 | // save old depth write: needed for item buffer
|
---|
652 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
|
---|
653 |
|
---|
654 | // global option which enables / disables depth writes
|
---|
655 | if (!mEnableDepthWrite)
|
---|
656 | {
|
---|
657 | //usedPass->setDepthWriteEnabled(false);
|
---|
658 | }
|
---|
659 | //else if (mIsItemBufferPass) {usedPass = mItemBufferPass;}
|
---|
660 |
|
---|
661 | //-- set actual pass here
|
---|
662 | const Pass *result = SceneManager::_setPass(usedPass);
|
---|
663 |
|
---|
664 |
|
---|
665 | // reset depth write
|
---|
666 | if (!mEnableDepthWrite)
|
---|
667 | {
|
---|
668 | //usedPass->setDepthWriteEnabled(IsDepthWrite);
|
---|
669 | }
|
---|
670 |
|
---|
671 | // reset illumination stage
|
---|
672 | mIlluminationStage = savedStage;
|
---|
673 |
|
---|
674 | return result;
|
---|
675 | }
|
---|
676 | //-----------------------------------------------------------------------
|
---|
677 | void OcclusionCullingSceneManager::_findVisibleObjects(Camera* cam,
|
---|
678 | bool onlyShadowCasters)
|
---|
679 | {
|
---|
680 | if (mShowVisualization)
|
---|
681 | {
|
---|
682 | //////////////
|
---|
683 | //-- show visible scene nodes and octree bounding boxes from last frame
|
---|
684 | PrepareVisualization(cam);
|
---|
685 | }
|
---|
686 | else
|
---|
687 | {
|
---|
688 | // hierarchical culling interleaves identification
|
---|
689 | // and rendering of objects in _renderVisibibleObjects
|
---|
690 |
|
---|
691 | // for the shadow pass we use only standard rendering
|
---|
692 | // because shadows have low occlusion anyway
|
---|
693 | if (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
694 | mIlluminationStage == IRS_RENDER_TO_TEXTURE)
|
---|
695 | {
|
---|
696 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
|
---|
697 | }
|
---|
698 |
|
---|
699 | // only shadow casters will be rendered in shadow texture pass
|
---|
700 | if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
|
---|
701 |
|
---|
702 | ///////////
|
---|
703 | //-- set visibility according to pvs of current view cell
|
---|
704 |
|
---|
705 | UpdatePvs(cam);
|
---|
706 |
|
---|
707 | if (mNormalExecution)
|
---|
708 | {
|
---|
709 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
|
---|
710 | //return;
|
---|
711 | }
|
---|
712 | }
|
---|
713 |
|
---|
714 | // lists only used for visualization
|
---|
715 | mVisible.clear();
|
---|
716 | mBoxes.clear();
|
---|
717 | }
|
---|
718 | //-----------------------------------------------------------------------
|
---|
719 | void OcclusionCullingSceneManager::_renderVisibleObjects()
|
---|
720 | {
|
---|
721 | const bool flushQueue = mDeleteQueueAfterRendering && ((mCurrentFrame % mFlushRate) == 0);
|
---|
722 | ++ mCurrentFrame;
|
---|
723 |
|
---|
724 | if (mNormalExecution)
|
---|
725 | {
|
---|
726 | // the standard octree rendering mode
|
---|
727 | TerrainSceneManager::_renderVisibleObjects();
|
---|
728 | getRenderQueue()->clear(flushQueue);
|
---|
729 | return;
|
---|
730 | }
|
---|
731 |
|
---|
732 | InitDepthPass(); // create material for depth pass
|
---|
733 | InitItemBufferPass(); // create material for item buffer pass
|
---|
734 |
|
---|
735 | // save ambient light to reset later
|
---|
736 | ColourValue savedAmbient = mAmbientLight;
|
---|
737 |
|
---|
738 | ////////////////////
|
---|
739 | //-- apply standard rendering for some modes
|
---|
740 | //-- (e.g., the visualization mode, the shadow pass)
|
---|
741 |
|
---|
742 | if (mShowVisualization ||
|
---|
743 | (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
744 | mIlluminationStage == IRS_RENDER_TO_TEXTURE))
|
---|
745 | {
|
---|
746 | IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
747 |
|
---|
748 | if (mShowVisualization)
|
---|
749 | {
|
---|
750 | // disable illumination stage to prevent rendering shadows
|
---|
751 | mIlluminationStage = IRS_NONE;
|
---|
752 | }
|
---|
753 |
|
---|
754 | // standard rendering for shadow maps because of performance
|
---|
755 | TerrainSceneManager::_renderVisibleObjects();
|
---|
756 |
|
---|
757 | mIlluminationStage = savedStage;
|
---|
758 | }
|
---|
759 | else //-- the hierarchical culling algorithm
|
---|
760 | {
|
---|
761 | // note matt: this is also called in TerrainSceneManager: really necessary?
|
---|
762 | mDestRenderSystem -> setLightingEnabled(false);
|
---|
763 |
|
---|
764 | if (mUseItemBuffer)
|
---|
765 | {
|
---|
766 | // don't render backgrounds for item buffer
|
---|
767 | clearSpecialCaseRenderQueues();
|
---|
768 | getRenderQueue()->clear();
|
---|
769 | }
|
---|
770 |
|
---|
771 | ////////////////////
|
---|
772 | //-- hierarchical culling
|
---|
773 |
|
---|
774 | // the objects of different layers (e.g., background, scene,
|
---|
775 | // overlay) must be identified and rendered one after another
|
---|
776 |
|
---|
777 | // first render all early skies
|
---|
778 | clearSpecialCaseRenderQueues();
|
---|
779 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
|
---|
780 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
|
---|
781 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
|
---|
782 |
|
---|
783 | TerrainSceneManager::_renderVisibleObjects();
|
---|
784 |
|
---|
785 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
786 | // delete previously rendered content
|
---|
787 | _deleteRenderedQueueGroups();
|
---|
788 | #endif
|
---|
789 |
|
---|
790 | ///////////////////
|
---|
791 | //-- prepare queue for visible objects (i.e., all but overlay and skies late)
|
---|
792 |
|
---|
793 | clearSpecialCaseRenderQueues();
|
---|
794 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_LATE);
|
---|
795 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
|
---|
796 |
|
---|
797 | // exclude this queues from hierarchical rendering
|
---|
798 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
|
---|
799 |
|
---|
800 | // set all necessary parameters for
|
---|
801 | // hierarchical visibility culling and rendering
|
---|
802 | InitVisibilityCulling(mCameraInProgress);
|
---|
803 |
|
---|
804 |
|
---|
805 | /**
|
---|
806 | * the hierarchical culling algorithm
|
---|
807 | * for depth pass: we just find objects and update depth buffer
|
---|
808 | * for "delayed" rendering: we render some passes afterwards
|
---|
809 | * e.g., transparents, because they need front-to-back sorting
|
---|
810 | **/
|
---|
811 |
|
---|
812 | mVisibilityManager->ApplyVisibilityCulling();
|
---|
813 |
|
---|
814 | // delete remaining renderables from queue:
|
---|
815 | // all which are not in mLeavePassesInQueue)
|
---|
816 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
817 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
|
---|
818 | #endif
|
---|
819 |
|
---|
820 | /////////////
|
---|
821 | //-- reset parameters needed for special rendering
|
---|
822 |
|
---|
823 | mIsDepthPassPhase = false;
|
---|
824 | mIsItemBufferPhase = false;
|
---|
825 | mSkipTransparents = false;
|
---|
826 | mIsHierarchicalCulling = false;
|
---|
827 |
|
---|
828 | mLeavePassesInQueue = 0;
|
---|
829 |
|
---|
830 | // the shaded geometry is rendered in a second pass
|
---|
831 | if (mUseDepthPass)
|
---|
832 | {
|
---|
833 | // add visible nodes found by the visibility culling algorithm
|
---|
834 | NodeList::const_iterator it, it_end = mVisible.end();
|
---|
835 |
|
---|
836 | //getRenderQueue()->clear();
|
---|
837 | for (it = mVisible.begin(); it != it_end; ++ it)
|
---|
838 | {
|
---|
839 | (*it)->_addToRenderQueue(mCameraInProgress, getRenderQueue(), false);
|
---|
840 | }
|
---|
841 | }
|
---|
842 |
|
---|
843 | /////////////
|
---|
844 | //-- now we can render all remaining queue objects
|
---|
845 | //-- used for depth pass, transparents, overlay
|
---|
846 |
|
---|
847 | clearSpecialCaseRenderQueues();
|
---|
848 |
|
---|
849 | TerrainSceneManager::_renderVisibleObjects();
|
---|
850 | } // end hierarchical culling
|
---|
851 |
|
---|
852 | // HACK: set the new render level index, important to avoid cracks
|
---|
853 | // in terrain caused by LOD
|
---|
854 | TerrainRenderable::NextRenderLevelIndex();
|
---|
855 |
|
---|
856 | // reset ambient light
|
---|
857 | setAmbientLight(savedAmbient);
|
---|
858 |
|
---|
859 | // almost same effect as below
|
---|
860 | getRenderQueue()->clear(flushQueue);
|
---|
861 |
|
---|
862 | if (0) WriteLog(); // write out stats
|
---|
863 | }
|
---|
864 |
|
---|
865 | //-----------------------------------------------------------------------
|
---|
866 | void OcclusionCullingSceneManager::_updateSceneGraph(Camera* cam)
|
---|
867 | {
|
---|
868 | if (mNormalExecution)
|
---|
869 | {
|
---|
870 | OctreeSceneManager::_updateSceneGraph(cam);
|
---|
871 | return;
|
---|
872 | }
|
---|
873 |
|
---|
874 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
|
---|
875 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
|
---|
876 |
|
---|
877 | TerrainSceneManager::_updateSceneGraph(cam);
|
---|
878 | }
|
---|
879 | //-----------------------------------------------------------------------
|
---|
880 | bool OcclusionCullingSceneManager::setOption(const String & key, const void * val)
|
---|
881 | {
|
---|
882 | if (key == "UseDepthPass")
|
---|
883 | {
|
---|
884 | mUseDepthPass = (*static_cast<const bool *>(val));
|
---|
885 | return true;
|
---|
886 | }
|
---|
887 | if (key == "PrepareVisualization")
|
---|
888 | {
|
---|
889 | mShowVisualization = (*static_cast<const bool *>(val));
|
---|
890 | return true;
|
---|
891 | }
|
---|
892 | if (key == "RenderNodesForViz")
|
---|
893 | {
|
---|
894 | mRenderNodesForViz = (*static_cast<const bool *>(val));
|
---|
895 | return true;
|
---|
896 | }
|
---|
897 | if (key == "RenderNodesContentForViz")
|
---|
898 | {
|
---|
899 | mRenderNodesContentForViz = (*static_cast<const bool *>(val));
|
---|
900 | return true;
|
---|
901 | }
|
---|
902 | if (key == "SkyBoxEnabled")
|
---|
903 | {
|
---|
904 | mSkyBoxEnabled = (*static_cast<const bool *>(val));
|
---|
905 | return true;
|
---|
906 | }
|
---|
907 | if (key == "SkyPlaneEnabled")
|
---|
908 | {
|
---|
909 | mSkyPlaneEnabled = (*static_cast<const bool *>(val));
|
---|
910 | return true;
|
---|
911 | }
|
---|
912 | if (key == "SkyDomeEnabled")
|
---|
913 | {
|
---|
914 | mSkyDomeEnabled = (*static_cast<const bool *>(val));
|
---|
915 | return true;
|
---|
916 | }
|
---|
917 | if (key == "VisualizeCulledNodes")
|
---|
918 | {
|
---|
919 | mVisualizeCulledNodes = (*static_cast<const bool *>(val));
|
---|
920 | return true;
|
---|
921 | }
|
---|
922 | if (key == "DelayRenderTransparents")
|
---|
923 | {
|
---|
924 | //LoadScene(mFilename, mViewCellsFilename);
|
---|
925 | mDelayRenderTransparents = (*static_cast<const bool *>(val));
|
---|
926 | return true;
|
---|
927 | }
|
---|
928 | if (key == "DepthWrite")
|
---|
929 | {
|
---|
930 | mEnableDepthWrite = (*static_cast<const bool *>(val));
|
---|
931 | return true;
|
---|
932 | }
|
---|
933 | if (key == "UseItemBuffer")
|
---|
934 | {
|
---|
935 | mUseItemBuffer = (*static_cast<const bool *>(val));
|
---|
936 | return true;
|
---|
937 | }
|
---|
938 | if (key == "ExecuteVertexProgramForAllPasses")
|
---|
939 | {
|
---|
940 | mExecuteVertexProgramForAllPasses = (*static_cast<const bool *>(val));
|
---|
941 | return true;
|
---|
942 | }
|
---|
943 | if (key == "RenderTransparentsForItemBuffer")
|
---|
944 | {
|
---|
945 | mRenderTransparentsForItemBuffer = (*static_cast<const bool *>(val));
|
---|
946 | return true;
|
---|
947 | }
|
---|
948 | else if (key == "FlushQueue")
|
---|
949 | {
|
---|
950 | mDeleteQueueAfterRendering = (*static_cast<const bool *>(val));
|
---|
951 | return true;
|
---|
952 | }
|
---|
953 | if (key == "NodeVizScale")
|
---|
954 | {
|
---|
955 | OctreeNode::setVizScale(*static_cast<const float *>(val));
|
---|
956 | return true;
|
---|
957 | }
|
---|
958 | if (key == "UseViewCells")
|
---|
959 | {
|
---|
960 | if (!mViewCellsLoaded)
|
---|
961 | {
|
---|
962 | // try to load view cells
|
---|
963 | mViewCellsLoaded = LoadViewCells(mViewCellsFilename);
|
---|
964 | }
|
---|
965 |
|
---|
966 | if (!mViewCellsLoaded)
|
---|
967 | return false;
|
---|
968 |
|
---|
969 | // only use this option if view cells are available
|
---|
970 | mUseViewCells = *static_cast<const bool *>(val);
|
---|
971 |
|
---|
972 | // reset view cell
|
---|
973 | OGRE_DELETE(mCurrentViewCell);
|
---|
974 |
|
---|
975 | if (mUseViewCells)
|
---|
976 | {
|
---|
977 | mCurrentViewCell = mViewCellsManager->GenerateViewCell();
|
---|
978 | }
|
---|
979 |
|
---|
980 | // view cell corresponding to leaf in the view cell hierarchy
|
---|
981 | mElementaryViewCell = NULL;
|
---|
982 |
|
---|
983 | // all objects are set to invisible per default
|
---|
984 | SetObjectsVisible(!mUseViewCells);
|
---|
985 |
|
---|
986 | MovableObjectIterator movit = getMovableObjectIterator("Entity");
|
---|
987 | while (movit.hasMoreElements())
|
---|
988 | {
|
---|
989 | Entity *ent = static_cast<Entity *>(movit.getNext());
|
---|
990 | ent->setVisible(!mUseViewCells);
|
---|
991 | }
|
---|
992 |
|
---|
993 | return true;
|
---|
994 | }
|
---|
995 | if (key == "ShowViewCells")
|
---|
996 | {
|
---|
997 | // only use this option if view cells are available
|
---|
998 | if (mViewCellsLoaded)
|
---|
999 | {
|
---|
1000 | mShowViewCells = *static_cast<const bool *>(val);
|
---|
1001 | // if we decide use view cells
|
---|
1002 | // all objects are set to invisible per default
|
---|
1003 | VisualizeViewCells(mShowViewCells);
|
---|
1004 | }
|
---|
1005 |
|
---|
1006 | return true;
|
---|
1007 | }
|
---|
1008 | if (key == "NormalExecution")
|
---|
1009 | {
|
---|
1010 | mNormalExecution = *static_cast<const bool *>(val);
|
---|
1011 | return true;
|
---|
1012 | }
|
---|
1013 | if (key == "ShowTerrain")
|
---|
1014 | {
|
---|
1015 | mShowTerrain = *static_cast<const bool *>(val);
|
---|
1016 | return true;
|
---|
1017 | }
|
---|
1018 | if (key == "UseVisibilityFilter")
|
---|
1019 | {
|
---|
1020 | mUseVisibilityFilter = *static_cast<const bool *>(val);
|
---|
1021 |
|
---|
1022 | // set null => recomputation of the pvs
|
---|
1023 | mElementaryViewCell = NULL;
|
---|
1024 |
|
---|
1025 | return true;
|
---|
1026 | }
|
---|
1027 | if (key == "ViewCellsLoaded")
|
---|
1028 | {
|
---|
1029 | return mViewCellsLoaded;
|
---|
1030 | }
|
---|
1031 |
|
---|
1032 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
1033 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
|
---|
1034 | }
|
---|
1035 | //-----------------------------------------------------------------------
|
---|
1036 | bool OcclusionCullingSceneManager::getOption(const String &key, void *val)
|
---|
1037 | {
|
---|
1038 | if (key == "NumHierarchyNodes")
|
---|
1039 | {
|
---|
1040 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctants;
|
---|
1041 | return true;
|
---|
1042 | }
|
---|
1043 | if (key == "VisibilityManager")
|
---|
1044 | {
|
---|
1045 | * static_cast<GtpVisibility::VisibilityManager **>(val) =
|
---|
1046 | (GtpVisibility::VisibilityManager *)mVisibilityManager;
|
---|
1047 | return true;
|
---|
1048 | }
|
---|
1049 | if (key == "HierarchInterface")
|
---|
1050 | {
|
---|
1051 | * static_cast<GtpVisibility::HierarchyInterface **>(val) =
|
---|
1052 | (GtpVisibility::HierarchyInterface *)mHierarchyInterface;
|
---|
1053 | return true;
|
---|
1054 | }
|
---|
1055 | if (key == "ShowTerrain")
|
---|
1056 | {
|
---|
1057 | * static_cast<bool *>(val) = (bool *)mShowTerrain;
|
---|
1058 | return true;
|
---|
1059 | }
|
---|
1060 | if (key == "UseDepthPass")
|
---|
1061 | {
|
---|
1062 | * static_cast<bool *>(val) = (bool *)mUseDepthPass;
|
---|
1063 | return true;
|
---|
1064 | }
|
---|
1065 | if (key == "FlushQueue")
|
---|
1066 | {
|
---|
1067 | * static_cast<bool *>(val) = (bool *)mDeleteQueueAfterRendering;
|
---|
1068 | return true;
|
---|
1069 | }
|
---|
1070 | if (key == "NormalExecution")
|
---|
1071 | {
|
---|
1072 | * static_cast<bool *>(val) = (bool *)mNormalExecution;
|
---|
1073 | return true;
|
---|
1074 | }
|
---|
1075 | if (key == "Algorithm")
|
---|
1076 | {
|
---|
1077 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm =
|
---|
1078 | mVisibilityManager->GetCullingManagerType();
|
---|
1079 |
|
---|
1080 | * static_cast<unsigned int *>(val) = (unsigned int)algorithm;
|
---|
1081 |
|
---|
1082 | getRenderQueue()->clear(true);
|
---|
1083 |
|
---|
1084 | return true;
|
---|
1085 | }
|
---|
1086 |
|
---|
1087 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
1088 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
|
---|
1089 | }
|
---|
1090 | //-----------------------------------------------------------------------
|
---|
1091 | bool OcclusionCullingSceneManager::getOptionValues(const String & key,
|
---|
1092 | StringVector &refValueList)
|
---|
1093 | {
|
---|
1094 | return TerrainSceneManager::getOptionValues( key, refValueList);
|
---|
1095 | }
|
---|
1096 | //-----------------------------------------------------------------------
|
---|
1097 | bool OcclusionCullingSceneManager::getOptionKeys(StringVector & refKeys)
|
---|
1098 | {
|
---|
1099 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
1100 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
|
---|
1101 | }
|
---|
1102 | //-----------------------------------------------------------------------
|
---|
1103 | void OcclusionCullingSceneManager::setVisibilityManager(GtpVisibility::
|
---|
1104 | VisibilityManager *visManager)
|
---|
1105 | {
|
---|
1106 | mVisibilityManager = visManager;
|
---|
1107 | }
|
---|
1108 | //-----------------------------------------------------------------------
|
---|
1109 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::getVisibilityManager( void )
|
---|
1110 | {
|
---|
1111 | return mVisibilityManager;
|
---|
1112 | }
|
---|
1113 | //-----------------------------------------------------------------------
|
---|
1114 | void OcclusionCullingSceneManager::WriteLog()
|
---|
1115 | {
|
---|
1116 | std::stringstream d;
|
---|
1117 |
|
---|
1118 | d << "Depth pass: " << StringConverter::toString(mUseDepthPass) << ", "
|
---|
1119 | << "Delay transparents: " << StringConverter::toString(mDelayRenderTransparents) << ", "
|
---|
1120 | << "Use optimization: " << StringConverter::toString(mHierarchyInterface->GetTestGeometryForVisibleLeaves()) << ", "
|
---|
1121 | << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
|
---|
1122 | << "Hierarchy nodes: " << mNumOctants << ", "
|
---|
1123 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
|
---|
1124 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
|
---|
1125 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
|
---|
1126 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
|
---|
1127 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
1128 | << "Found objects: " << (int)mVisible.size() << "\n";
|
---|
1129 |
|
---|
1130 | LogManager::getSingleton().logMessage(d.str());
|
---|
1131 | }
|
---|
1132 | //-----------------------------------------------------------------------
|
---|
1133 | void OcclusionCullingSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1134 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1135 | {
|
---|
1136 | // Basic render loop
|
---|
1137 | // Iterate through priorities
|
---|
1138 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1139 |
|
---|
1140 | while (groupIt.hasMoreElements())
|
---|
1141 | {
|
---|
1142 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1143 |
|
---|
1144 | // Sort the queue first
|
---|
1145 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1146 |
|
---|
1147 | // Do solids
|
---|
1148 | renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1149 |
|
---|
1150 | // for correct rendering, transparents must be rendered
|
---|
1151 | // after hierarchical culling => don't render them now
|
---|
1152 |
|
---|
1153 | if (mNormalExecution || !mSkipTransparents)
|
---|
1154 | {
|
---|
1155 | // Do transparents (always descending)
|
---|
1156 | renderObjects(pPriorityGrp->getTransparents(),
|
---|
1157 | QueuedRenderableCollection::OM_SORT_DESCENDING, true);
|
---|
1158 | }
|
---|
1159 |
|
---|
1160 |
|
---|
1161 | } // for each priority
|
---|
1162 | }
|
---|
1163 |
|
---|
1164 | //-----------------------------------------------------------------------
|
---|
1165 | bool OcclusionCullingSceneManager::validatePassForRendering(Pass* pass)
|
---|
1166 | {
|
---|
1167 | if (mNormalExecution)
|
---|
1168 | {
|
---|
1169 | return SceneManager::validatePassForRendering(pass);
|
---|
1170 | }
|
---|
1171 |
|
---|
1172 | // skip all but first pass if we are doing the depth pass
|
---|
1173 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
1174 | {
|
---|
1175 | return false;
|
---|
1176 | }
|
---|
1177 | // all but first pass
|
---|
1178 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
1179 | {
|
---|
1180 | return false;
|
---|
1181 | }*/
|
---|
1182 |
|
---|
1183 | return SceneManager::validatePassForRendering(pass);
|
---|
1184 | }
|
---|
1185 | //-----------------------------------------------------------------------
|
---|
1186 | void OcclusionCullingSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1187 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1188 | {
|
---|
1189 | if (mNormalExecution || !mIsItemBufferPhase)
|
---|
1190 | {
|
---|
1191 | TerrainSceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
1192 | return;
|
---|
1193 | }
|
---|
1194 | #ifdef ITEM_BUFFER
|
---|
1195 | //-- item buffer
|
---|
1196 | //-- render objects using false colors
|
---|
1197 |
|
---|
1198 | // Iterate through priorities
|
---|
1199 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1200 |
|
---|
1201 | while (groupIt.hasMoreElements())
|
---|
1202 | {
|
---|
1203 | RenderItemBuffer(groupIt.getNext());
|
---|
1204 | }
|
---|
1205 | #endif // ITEM_BUFFER
|
---|
1206 | }
|
---|
1207 | #ifdef ITEM_BUFFER
|
---|
1208 | //-----------------------------------------------------------------------
|
---|
1209 | void OcclusionCullingSceneManager::RenderItemBuffer(RenderPriorityGroup* pGroup)
|
---|
1210 | {
|
---|
1211 | // Do solids
|
---|
1212 | QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
|
---|
1213 |
|
---|
1214 | // ----- SOLIDS LOOP -----
|
---|
1215 | RenderPriorityGroup::SolidRenderablePassMap::const_iterator ipass, ipassend;
|
---|
1216 | ipassend = solidObjs.end();
|
---|
1217 |
|
---|
1218 | for (ipass = solidObjs.begin(); ipass != ipassend; ++ipass)
|
---|
1219 | {
|
---|
1220 | // Fast bypass if this group is now empty
|
---|
1221 | if (ipass->second->empty())
|
---|
1222 | continue;
|
---|
1223 |
|
---|
1224 | // Render only first pass of renderable as false color
|
---|
1225 | if (ipass->first->getIndex() > 0)
|
---|
1226 | continue;
|
---|
1227 |
|
---|
1228 | RenderPriorityGroup::RenderableList* rendList = ipass->second;
|
---|
1229 |
|
---|
1230 | RenderPriorityGroup::RenderableList::const_iterator irend, irendend;
|
---|
1231 | irendend = rendList->end();
|
---|
1232 |
|
---|
1233 | for (irend = rendList->begin(); irend != irendend; ++irend)
|
---|
1234 | {
|
---|
1235 | if (0)
|
---|
1236 | {
|
---|
1237 | std::stringstream d; d << "itembuffer, pass name: " <<
|
---|
1238 | ipass->first->getParent()->getParent()->getName();
|
---|
1239 |
|
---|
1240 | LogManager::getSingleton().logMessage(d.str());
|
---|
1241 | }
|
---|
1242 |
|
---|
1243 | RenderSingleObjectForItemBuffer(*irend, ipass->first);
|
---|
1244 | }
|
---|
1245 | }
|
---|
1246 |
|
---|
1247 | ///////////
|
---|
1248 | //-- TRANSPARENT LOOP: must be handled differently from solids
|
---|
1249 |
|
---|
1250 | // transparents are treated either as solids or completely discarded
|
---|
1251 | if (mRenderTransparentsForItemBuffer)
|
---|
1252 | {
|
---|
1253 | QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
|
---|
1254 | RenderPriorityGroup::TransparentRenderablePassList::const_iterator
|
---|
1255 | itrans, itransend;
|
---|
1256 |
|
---|
1257 | itransend = transpObjs.end();
|
---|
1258 | for (itrans = transpObjs.begin(); itrans != itransend; ++itrans)
|
---|
1259 | {
|
---|
1260 | // like for solids, render only first pass
|
---|
1261 | if (itrans->pass->getIndex() == 0)
|
---|
1262 | {
|
---|
1263 | RenderSingleObjectForItemBuffer(itrans->renderable, itrans->pass);
|
---|
1264 | }
|
---|
1265 | }
|
---|
1266 | }
|
---|
1267 | }
|
---|
1268 | //-----------------------------------------------------------------------
|
---|
1269 | void OcclusionCullingSceneManager::RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass)
|
---|
1270 | {
|
---|
1271 | static LightList nullLightList;
|
---|
1272 |
|
---|
1273 | int col[4];
|
---|
1274 |
|
---|
1275 | // -- create color code out of object id
|
---|
1276 | col[0] = (rend->getId() >> 16) & 255;
|
---|
1277 | col[1] = (rend->getId() >> 8) & 255;
|
---|
1278 | col[2] = rend->getId() & 255;
|
---|
1279 | // col[3] = 255;
|
---|
1280 |
|
---|
1281 | //mDestRenderSystem->setColour(col[0], col[1], col[2], col[3]);
|
---|
1282 |
|
---|
1283 | mItemBufferPass->setAmbient(ColourValue(col[0] / 255.0f,
|
---|
1284 | col[1] / 255.0f,
|
---|
1285 | col[2] / 255.0f, 1));
|
---|
1286 |
|
---|
1287 | // set vertex program of current pass
|
---|
1288 | if (mExecuteVertexProgramForAllPasses && pass->hasVertexProgram())
|
---|
1289 | {
|
---|
1290 | mItemBufferPass->setVertexProgram(pass->getVertexProgramName());
|
---|
1291 |
|
---|
1292 | if (mItemBufferPass->hasVertexProgram())
|
---|
1293 | {
|
---|
1294 | const GpuProgramPtr& prg = mItemBufferPass->getVertexProgram();
|
---|
1295 | // Load this program if not done already
|
---|
1296 | if (!prg->isLoaded())
|
---|
1297 | prg->load();
|
---|
1298 | // Copy params
|
---|
1299 | mItemBufferPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
1300 | }
|
---|
1301 | }
|
---|
1302 | else if (mItemBufferPass->hasVertexProgram())
|
---|
1303 | {
|
---|
1304 | mItemBufferPass->setVertexProgram("");
|
---|
1305 | }
|
---|
1306 |
|
---|
1307 | const Pass *usedPass = _setPass(mItemBufferPass);
|
---|
1308 |
|
---|
1309 |
|
---|
1310 | // render a single object, this will set up auto params if required
|
---|
1311 | renderSingleObject(rend, usedPass, false, &nullLightList);
|
---|
1312 | }
|
---|
1313 | #endif // ITEM_BUFFER
|
---|
1314 | //-----------------------------------------------------------------------
|
---|
1315 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::GetVisibilityManager()
|
---|
1316 | {
|
---|
1317 | return mVisibilityManager;
|
---|
1318 | }
|
---|
1319 | //-----------------------------------------------------------------------
|
---|
1320 | void OcclusionCullingSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
1321 | {
|
---|
1322 | // reset culling manager stats
|
---|
1323 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
1324 |
|
---|
1325 | // set depth pass flag before rendering
|
---|
1326 | mIsDepthPassPhase = mUseDepthPass;
|
---|
1327 |
|
---|
1328 | mIsHierarchicalCulling = true; // during hierarchical culling
|
---|
1329 |
|
---|
1330 | // item buffer needs full ambient lighting to use item colors as unique id
|
---|
1331 | if (mUseItemBuffer)
|
---|
1332 | {
|
---|
1333 | mIsItemBufferPhase = true;
|
---|
1334 | setAmbientLight(ColourValue(1,1,1,1));
|
---|
1335 | }
|
---|
1336 |
|
---|
1337 |
|
---|
1338 | // set passes which are stored in render queue
|
---|
1339 | // for rendering AFTER hierarchical culling, i.e., passes which need
|
---|
1340 | // a special rendering order
|
---|
1341 |
|
---|
1342 | mLeavePassesInQueue = 0;
|
---|
1343 |
|
---|
1344 | // if we have the depth pass or use an item buffer, no passes are left in the queue
|
---|
1345 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
1346 | {
|
---|
1347 | if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)
|
---|
1348 | {
|
---|
1349 | // TODO: remove this pass because it should be processed during hierarchical culling
|
---|
1350 | //mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1351 |
|
---|
1352 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DECAL;
|
---|
1353 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DIFFUSE_SPECULAR;
|
---|
1354 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1355 |
|
---|
1356 | // just render ambient passes
|
---|
1357 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1358 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1359 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
1360 | }
|
---|
1361 |
|
---|
1362 | if (mShadowTechnique == SHADOWTYPE_STENCIL_MODULATIVE)
|
---|
1363 | {
|
---|
1364 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1365 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1366 | }
|
---|
1367 |
|
---|
1368 | // transparents should be rendered after hierarchical culling to
|
---|
1369 | // provide front-to-back ordering
|
---|
1370 | if (mDelayRenderTransparents)
|
---|
1371 | {
|
---|
1372 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1373 | }
|
---|
1374 | }
|
---|
1375 |
|
---|
1376 | // skip rendering transparents during the hierarchical culling
|
---|
1377 | // (because they will be rendered afterwards)
|
---|
1378 | mSkipTransparents =
|
---|
1379 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
1380 |
|
---|
1381 | // -- initialise interface for rendering traversal of the hierarchy
|
---|
1382 | mHierarchyInterface->SetHierarchyRoot(mOctree);
|
---|
1383 |
|
---|
1384 | // possible two cameras (one for culling, one for rendering)
|
---|
1385 | mHierarchyInterface->InitTraversal(mCameraInProgress,
|
---|
1386 | mCullCamera ? getCamera("CullCamera") : NULL,
|
---|
1387 | mLeavePassesInQueue);
|
---|
1388 |
|
---|
1389 | }
|
---|
1390 | //-----------------------------------------------------------------------
|
---|
1391 | OctreeHierarchyInterface *OcclusionCullingSceneManager::GetHierarchyInterface()
|
---|
1392 | {
|
---|
1393 | return mHierarchyInterface;
|
---|
1394 | }
|
---|
1395 | //-----------------------------------------------------------------------
|
---|
1396 | void OcclusionCullingSceneManager::endFrame()
|
---|
1397 | {
|
---|
1398 | TerrainRenderable::ResetRenderLevelIndex();
|
---|
1399 | }
|
---|
1400 | //-----------------------------------------------------------------------
|
---|
1401 | Entity* OcclusionCullingSceneManager::createEntity(const String& entityName,
|
---|
1402 | const String& meshName)
|
---|
1403 | {
|
---|
1404 | Entity *ent = SceneManager::createEntity(entityName, meshName);
|
---|
1405 |
|
---|
1406 | for (int i = 0; i < (int)ent->getNumSubEntities(); ++i)
|
---|
1407 | {
|
---|
1408 | ent->getSubEntity(i)->setId(mCurrentEntityId);
|
---|
1409 | }
|
---|
1410 |
|
---|
1411 | // increase counter of entity id values
|
---|
1412 | ++ mCurrentEntityId;
|
---|
1413 |
|
---|
1414 | return ent;
|
---|
1415 | }
|
---|
1416 | //-----------------------------------------------------------------------
|
---|
1417 | void OcclusionCullingSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
1418 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1419 | {
|
---|
1420 | // only render solid passes during hierarchical culling
|
---|
1421 | if (mIsHierarchicalCulling)
|
---|
1422 | {
|
---|
1423 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1424 | LightList lightList;
|
---|
1425 |
|
---|
1426 | while (groupIt.hasMoreElements())
|
---|
1427 | {
|
---|
1428 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1429 |
|
---|
1430 | // Sort the queue first
|
---|
1431 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1432 |
|
---|
1433 | // Clear light list
|
---|
1434 | lightList.clear();
|
---|
1435 |
|
---|
1436 | // Render all the ambient passes first, no light iteration, no lights
|
---|
1437 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1438 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1439 |
|
---|
1440 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
1441 | // Also render any objects which have receive shadows disabled
|
---|
1442 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
1443 | #if 0
|
---|
1444 | std::stringstream d;
|
---|
1445 | d << " solid size: " << (int)pPriorityGrp->_getSolidPasses().size()
|
---|
1446 | << " solid no shadow size: " << (int)pPriorityGrp->_getSolidPassesNoShadow().size()
|
---|
1447 | << "difspec size: " << (int)pPriorityGrp->_getSolidPassesDiffuseSpecular().size()
|
---|
1448 | << " decal size: " << (int)pPriorityGrp->_getSolidPassesDecal().size();
|
---|
1449 | LogManager::getSingleton().logMessage(d.str());
|
---|
1450 | #endif
|
---|
1451 | }
|
---|
1452 | }
|
---|
1453 | else // render the rest of the passes
|
---|
1454 | {
|
---|
1455 | OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1456 | }
|
---|
1457 | }
|
---|
1458 | //-----------------------------------------------------------------------
|
---|
1459 | void OcclusionCullingSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
1460 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1461 | {
|
---|
1462 | if (mIsHierarchicalCulling)
|
---|
1463 | {
|
---|
1464 | // Iterate through priorities
|
---|
1465 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1466 |
|
---|
1467 | while (groupIt.hasMoreElements())
|
---|
1468 | {
|
---|
1469 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1470 |
|
---|
1471 | // Sort the queue first
|
---|
1472 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1473 | // Do (shadowable) solids
|
---|
1474 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1475 | }
|
---|
1476 | }
|
---|
1477 | else
|
---|
1478 | {
|
---|
1479 | OctreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1480 | }
|
---|
1481 | }
|
---|
1482 | //-------------------------------------------------------------------------
|
---|
1483 | void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
|
---|
1484 | {
|
---|
1485 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
1486 |
|
---|
1487 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
1488 | {
|
---|
1489 | GtpVisibilityPreprocessor::Intersectable *entry = *it;
|
---|
1490 |
|
---|
1491 | SetObjectVisible(entry, visible);
|
---|
1492 | }
|
---|
1493 | }
|
---|
1494 | //-----------------------------------------------------------------------
|
---|
1495 | bool OcclusionCullingSceneManager::LoadViewCells(const String &filename)
|
---|
1496 | {
|
---|
1497 | // no filename specified
|
---|
1498 | if (filename == "")
|
---|
1499 | return false;
|
---|
1500 |
|
---|
1501 | // view cells already loaded
|
---|
1502 | if (mViewCellsLoaded)
|
---|
1503 | return true;
|
---|
1504 |
|
---|
1505 | // converter between view cell ids and Ogre entites
|
---|
1506 | OctreeBoundingBoxConverter bconverter(this);
|
---|
1507 |
|
---|
1508 | // load the view cells assigning the found objects to the pvss
|
---|
1509 | const bool finalizeViewCells = false;
|
---|
1510 |
|
---|
1511 | // load the view cells assigning the found objects to the pvss
|
---|
1512 | mViewCellsManager =
|
---|
1513 | GtpVisibilityPreprocessor::ViewCellsManager::
|
---|
1514 | LoadViewCells(filename, mObjects, false, &bconverter);
|
---|
1515 |
|
---|
1516 | Ogre::LogManager::getSingleton().logMessage("******** view cells loaded *********");
|
---|
1517 |
|
---|
1518 | // objects are set to invisible initially
|
---|
1519 | SetObjectsVisible(false);
|
---|
1520 |
|
---|
1521 | if (finalizeViewCells)
|
---|
1522 | {
|
---|
1523 | CreateViewCellsGeometry();
|
---|
1524 | }
|
---|
1525 |
|
---|
1526 | return (mViewCellsManager != NULL);
|
---|
1527 | }
|
---|
1528 | //-------------------------------------------------------------------------
|
---|
1529 | void OcclusionCullingSceneManager::ApplyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
1530 | const bool load)
|
---|
1531 | {
|
---|
1532 | // NOTE: should not encounter NULL view cell,
|
---|
1533 | // rather apply view cell representing unbounded space then
|
---|
1534 | if (!vc)
|
---|
1535 | {
|
---|
1536 | LogManager::getSingleton().logMessage("error: should not come here");
|
---|
1537 | // question: if no view cell, set everything visible?
|
---|
1538 | //SetObjectsVisible(true);
|
---|
1539 | SetObjectsVisible(false);
|
---|
1540 | return;
|
---|
1541 | }
|
---|
1542 |
|
---|
1543 | ////////////
|
---|
1544 | //-- set PVS of view cell to visible
|
---|
1545 |
|
---|
1546 | //std::stringstream d; d << "appying new view cell pvs: " << vc->GetPvs().GetSize();
|
---|
1547 | //LogManager::getSingleton().logMessage(d.str());
|
---|
1548 |
|
---|
1549 | GtpVisibilityPreprocessor::ObjectPvsIterator pit = vc->GetPvs().GetIterator();
|
---|
1550 |
|
---|
1551 | while (pit.HasMoreEntries())
|
---|
1552 | {
|
---|
1553 | GtpVisibilityPreprocessor::Intersectable *obj = pit.Next();
|
---|
1554 |
|
---|
1555 | // no associated geometry found
|
---|
1556 | if (!obj) continue;
|
---|
1557 |
|
---|
1558 | SetObjectVisible(obj, load);
|
---|
1559 | }
|
---|
1560 | }
|
---|
1561 | //-------------------------------------------------------------------------
|
---|
1562 | void OcclusionCullingSceneManager::UpdatePvs(Camera *cam)
|
---|
1563 | {
|
---|
1564 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
1565 | return;
|
---|
1566 |
|
---|
1567 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
1568 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
1569 |
|
---|
1570 | //std::stringstream d; d << "vp: " << viewPoint;
|
---|
1571 | //LogManager::getSingleton().logMessage(d.str());
|
---|
1572 |
|
---|
1573 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
1574 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
1575 |
|
---|
1576 | // elementary view cell did not change => don't change pvs
|
---|
1577 | if (mElementaryViewCell == newElementary)
|
---|
1578 | return;
|
---|
1579 |
|
---|
1580 | mElementaryViewCell = newElementary;
|
---|
1581 |
|
---|
1582 |
|
---|
1583 | //////////////
|
---|
1584 | //-- unload old pvs
|
---|
1585 |
|
---|
1586 | ApplyViewCellPvs(mCurrentViewCell, false);
|
---|
1587 |
|
---|
1588 | // the new view cell
|
---|
1589 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
1590 |
|
---|
1591 | if (mUseVisibilityFilter)
|
---|
1592 | {
|
---|
1593 | ////////////
|
---|
1594 | //-- compute new filtered cell
|
---|
1595 |
|
---|
1596 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
1597 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
1598 | viewCell = prvs.mViewCell;
|
---|
1599 | }
|
---|
1600 | else
|
---|
1601 | {
|
---|
1602 | viewCell = newElementary;
|
---|
1603 | }
|
---|
1604 |
|
---|
1605 | ///////////////
|
---|
1606 | //-- load new pvs
|
---|
1607 |
|
---|
1608 | ApplyViewCellPvs(viewCell, true);
|
---|
1609 |
|
---|
1610 | if (viewCell)
|
---|
1611 | {
|
---|
1612 | // store current view cell
|
---|
1613 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
1614 | mCurrentViewCell->SetMesh(viewCell->GetMesh());
|
---|
1615 | mCurrentViewCell->SetId(viewCell->GetId());
|
---|
1616 |
|
---|
1617 | // delete merge tree of filtered view cell
|
---|
1618 | if (mUseVisibilityFilter)
|
---|
1619 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
1620 | }
|
---|
1621 | }
|
---|
1622 | //-------------------------------------------------------------------------
|
---|
1623 | void OcclusionCullingSceneManager::CreateViewCellsGeometry()
|
---|
1624 | {
|
---|
1625 | //LogManager::getSingleton().logMessage("creating view cells geometry");
|
---|
1626 | if (mViewCellsGeometryLoaded) return;
|
---|
1627 |
|
---|
1628 | GtpVisibilityPreprocessor::ViewCellContainer viewCells =
|
---|
1629 | mViewCellsManager->GetViewCells();
|
---|
1630 |
|
---|
1631 | GtpVisibilityPreprocessor::ViewCellContainer::const_iterator it, it_end = viewCells.end();
|
---|
1632 | for (it = viewCells.begin(); it != it_end; ++ it)
|
---|
1633 | {
|
---|
1634 | GtpVisibilityPreprocessor::ViewCell *viewCell = *it;
|
---|
1635 |
|
---|
1636 | ManualObject *manual =
|
---|
1637 | OgreTypeConverter::ConvertToOgre(viewCell->GetMesh(), this);
|
---|
1638 |
|
---|
1639 | if (manual)
|
---|
1640 | {
|
---|
1641 | mViewCellsGeometry[viewCell->GetId()] = manual;
|
---|
1642 |
|
---|
1643 | // attach to scene node
|
---|
1644 | getRootSceneNode()->createChildSceneNode()->attachObject(manual);
|
---|
1645 | manual->setQueryFlags(0); // returned by no query
|
---|
1646 |
|
---|
1647 | // initialy set to invisible
|
---|
1648 | manual->setVisible(false);
|
---|
1649 | }
|
---|
1650 | }
|
---|
1651 |
|
---|
1652 | mViewCellsGeometryLoaded = true;
|
---|
1653 | }
|
---|
1654 | //-------------------------------------------------------------------------
|
---|
1655 | void OcclusionCullingSceneManager::VisualizeViewCells(const bool visualize)
|
---|
1656 | {
|
---|
1657 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
|
---|
1658 |
|
---|
1659 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
|
---|
1660 | {
|
---|
1661 | if ((*mit).second)
|
---|
1662 | (*mit).second->setVisible(visualize);
|
---|
1663 | }
|
---|
1664 | }
|
---|
1665 | #if 0
|
---|
1666 | //-------------------------------------------------------------------------
|
---|
1667 | void OcclusionCullingSceneManager::TestVisible(SceneNode *node)
|
---|
1668 | {
|
---|
1669 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1670 | if (!node->mVisibleChildren)
|
---|
1671 | {
|
---|
1672 | node->setVisible(false);
|
---|
1673 | }
|
---|
1674 |
|
---|
1675 | node->getOctant()->mVisibleChildren --;
|
---|
1676 | }
|
---|
1677 | //-------------------------------------------------------------------------
|
---|
1678 | void OcclusionCullingSceneManager::TestVisible(Octree *octant)
|
---|
1679 | {
|
---|
1680 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1681 | if (!octant->mVisibleChildren)
|
---|
1682 | {
|
---|
1683 | octant->setVisible(false);
|
---|
1684 | }
|
---|
1685 | }
|
---|
1686 |
|
---|
1687 | //-------------------------------------------------------------------------
|
---|
1688 | void OcclusionCullingSceneManager::UpdateVisibility(Entity *ent)
|
---|
1689 | {
|
---|
1690 | if (!ent->isVisible())
|
---|
1691 | {
|
---|
1692 | bool visible = TestVisible(ent->getParentNode());
|
---|
1693 |
|
---|
1694 | if (!visible)
|
---|
1695 | visible = TestVisible(octant->getParentNode());
|
---|
1696 |
|
---|
1697 | if (!visible)
|
---|
1698 | mHierarchyInterface->pullupVisibility();
|
---|
1699 | }
|
---|
1700 | }
|
---|
1701 | #endif
|
---|
1702 | // splits strings containing multiple file names
|
---|
1703 | static int SplitFilenames(const std::string str,
|
---|
1704 | std::vector<std::string> &filenames)
|
---|
1705 | {
|
---|
1706 | int pos = 0;
|
---|
1707 |
|
---|
1708 | while(1)
|
---|
1709 | {
|
---|
1710 | int npos = (int)str.find(';', pos);
|
---|
1711 |
|
---|
1712 | if (npos < 0 || npos - pos < 1)
|
---|
1713 | break;
|
---|
1714 | filenames.push_back(std::string(str, pos, npos - pos));
|
---|
1715 | pos = npos + 1;
|
---|
1716 | }
|
---|
1717 |
|
---|
1718 | filenames.push_back(std::string(str, pos, str.size() - pos));
|
---|
1719 | return (int)filenames.size();
|
---|
1720 | }
|
---|
1721 | //-----------------------------------------------------------------------
|
---|
1722 | bool OcclusionCullingSceneManager::LoadScene(const String &filename,
|
---|
1723 | const String &viewCellsFilename)
|
---|
1724 | {
|
---|
1725 | using namespace std;
|
---|
1726 |
|
---|
1727 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
1728 | vector<string> filenames;
|
---|
1729 | const int files = SplitFilenames(filename, filenames);
|
---|
1730 |
|
---|
1731 | stringstream d;
|
---|
1732 | d << "number of input files: " << files << "\n";
|
---|
1733 | LogManager::getSingleton().logMessage(d.str());
|
---|
1734 |
|
---|
1735 | bool result = false;
|
---|
1736 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
1737 | int i = 0;
|
---|
1738 |
|
---|
1739 | if (filename == "terrain")
|
---|
1740 | {
|
---|
1741 | LogManager::getSingleton().logMessage("loading terrain");
|
---|
1742 |
|
---|
1743 | // terrain hack
|
---|
1744 | return false;
|
---|
1745 | }
|
---|
1746 |
|
---|
1747 | for (fit = filenames.begin(); fit != fit_end; ++ fit, ++ i)
|
---|
1748 | {
|
---|
1749 | const string fn = *fit;
|
---|
1750 |
|
---|
1751 | if (strstr(fn.c_str(), ".obj"))
|
---|
1752 | {
|
---|
1753 | // load iv files
|
---|
1754 | if (!LoadSceneObj(filename, viewCellsFilename, getRootSceneNode()))
|
---|
1755 | {
|
---|
1756 | LogManager::getSingleton().logMessage("error loading file");
|
---|
1757 | return false;
|
---|
1758 | }
|
---|
1759 | }
|
---|
1760 | else if (strstr(fn.c_str(), ".iv") || strstr(fn.c_str(), ".wrl"))
|
---|
1761 | {
|
---|
1762 | // load iv files
|
---|
1763 | if (!LoadSceneIV(fn, getRootSceneNode(), i))
|
---|
1764 | {
|
---|
1765 | // terrain hack
|
---|
1766 | LogManager::getSingleton().logMessage("error loading file");
|
---|
1767 | }
|
---|
1768 | }
|
---|
1769 |
|
---|
1770 | // at least one piece of geometry loaded
|
---|
1771 | result = true;
|
---|
1772 | }
|
---|
1773 |
|
---|
1774 | return result;
|
---|
1775 | }
|
---|
1776 | //-----------------------------------------------------------------------
|
---|
1777 | bool OcclusionCullingSceneManager::LoadSceneIV(const String &filename,
|
---|
1778 | SceneNode *root,
|
---|
1779 | const int index)
|
---|
1780 | {
|
---|
1781 | IVReader ivReader;
|
---|
1782 |
|
---|
1783 | Timer *timer = PlatformManager::getSingleton().createTimer();
|
---|
1784 | timer->reset();
|
---|
1785 |
|
---|
1786 | if (1)
|
---|
1787 | {
|
---|
1788 | std::string logFilename = "IVLog" + Ogre::StringConverter().toString(index) + ".log";
|
---|
1789 |
|
---|
1790 | Log *log = LogManager::getSingleton().createLog(logFilename);
|
---|
1791 | ivReader.setLog(log);
|
---|
1792 | }
|
---|
1793 |
|
---|
1794 | //viennaNode->translate(Vector3(-300, -300, 0));
|
---|
1795 |
|
---|
1796 | if (ivReader.loadFile(filename.c_str()))
|
---|
1797 | {
|
---|
1798 | SceneNode *node = root->createChildSceneNode("IVSceneNode" + index);
|
---|
1799 |
|
---|
1800 | ivReader.buildTree(this, node);
|
---|
1801 |
|
---|
1802 | ivReader.collapse();
|
---|
1803 |
|
---|
1804 | std::stringstream d;
|
---|
1805 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
|
---|
1806 | LogManager::getSingleton().logMessage(d.str());
|
---|
1807 |
|
---|
1808 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1809 |
|
---|
1810 | //-- bake into static geometry
|
---|
1811 | /*if (USE_STATIC_GEOMETRY)
|
---|
1812 | {
|
---|
1813 | BakeSceneIntoStaticGeometry("staticVienna", "Vienna");
|
---|
1814 | }*/
|
---|
1815 |
|
---|
1816 | return true;
|
---|
1817 | }
|
---|
1818 |
|
---|
1819 | return false;
|
---|
1820 | }
|
---|
1821 | //-----------------------------------------------------------------------
|
---|
1822 | bool OcclusionCullingSceneManager::LoadSceneObj(const String &filename,
|
---|
1823 | const String &viewCellsFile,
|
---|
1824 | SceneNode *root)
|
---|
1825 | {
|
---|
1826 | Timer *timer = PlatformManager::getSingleton().createTimer();
|
---|
1827 | timer->reset();
|
---|
1828 |
|
---|
1829 | if (!mObjReader->LoadFile(filename.c_str(), viewCellsFile, root))
|
---|
1830 | {
|
---|
1831 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1832 | return false;
|
---|
1833 | }
|
---|
1834 |
|
---|
1835 | std::stringstream d;
|
---|
1836 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
|
---|
1837 | LogManager::getSingleton().logMessage(d.str());
|
---|
1838 |
|
---|
1839 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1840 |
|
---|
1841 | return true;
|
---|
1842 | }
|
---|
1843 | //-----------------------------------------------------------------------
|
---|
1844 | const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
|
---|
1845 | //-----------------------------------------------------------------------
|
---|
1846 | void OcclusionCullingSceneManagerFactory::initMetaData(void) const
|
---|
1847 | {
|
---|
1848 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
1849 | mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
|
---|
1850 | mMetaData.sceneTypeMask = 0xFFFF; // support all types
|
---|
1851 | mMetaData.worldGeometrySupported = false;
|
---|
1852 | }
|
---|
1853 | //-----------------------------------------------------------------------
|
---|
1854 | SceneManager *OcclusionCullingSceneManagerFactory::createInstance(
|
---|
1855 | const String& instanceName)
|
---|
1856 | {
|
---|
1857 | OcclusionCullingSceneManager* tsm =
|
---|
1858 | new OcclusionCullingSceneManager(instanceName, visManager);
|
---|
1859 |
|
---|
1860 | // Create & register default sources (one per manager)
|
---|
1861 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource();
|
---|
1862 | mTerrainPageSources.push_back(ps);
|
---|
1863 | tsm->registerPageSource("Heightmap", ps);
|
---|
1864 | LogManager::getSingleton().logMessage("here4");
|
---|
1865 | return tsm;
|
---|
1866 | }
|
---|
1867 | //-----------------------------------------------------------------------
|
---|
1868 | void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
1869 | {
|
---|
1870 | delete instance;
|
---|
1871 | }
|
---|
1872 |
|
---|
1873 | } // namespace Ogre
|
---|