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 | {
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66 | Ogre::LogManager::getSingleton().
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67 | logMessage("creating occlusion culling scene manager");
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68 |
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69 | mHierarchyInterface = new OctreeHierarchyInterface(this, mDestRenderSystem);
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70 |
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71 | if (0)
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72 | {
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73 | mDisplayNodes = true;
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74 | mShowBoundingBoxes = true;
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75 | mShowBoxes = true;
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76 | }
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77 |
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78 | // TODO: set maxdepth to reasonable value
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79 | mMaxDepth = 50;
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80 | }
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81 | //-----------------------------------------------------------------------
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82 | void OcclusionCullingSceneManager::InitDepthPass()
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83 | {
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84 | MaterialPtr depthMat =
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85 | MaterialManager::getSingleton().getByName("Visibility/DepthPass");
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86 |
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87 | if (depthMat.isNull())
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88 | {
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89 | depthMat = MaterialManager::getSingleton().create(
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90 | "Visibility/DepthPass",
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91 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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92 |
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93 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
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94 | mDepthPass->setColourWriteEnabled(false);
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95 | mDepthPass->setDepthWriteEnabled(true);
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96 | mDepthPass->setLightingEnabled(false);
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97 | }
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98 | else
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99 | {
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100 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
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101 | }
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102 | }
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103 | //-----------------------------------------------------------------------
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104 | OcclusionCullingSceneManager::~OcclusionCullingSceneManager()
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105 | {
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106 | OGRE_DELETE(mHierarchyInterface);
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107 | CLEAR_CONTAINER(mObjects);
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108 | OGRE_DELETE(mCurrentViewCell);
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109 | }
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110 | //-----------------------------------------------------------------------
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111 | void OcclusionCullingSceneManager::InitItemBufferPass()
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112 | {
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113 | MaterialPtr itemBufferMat = MaterialManager::getSingleton().
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114 | getByName("Visibility/ItemBufferPass");
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115 |
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116 | if (itemBufferMat.isNull())
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117 | {
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118 | // Init
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119 | itemBufferMat =
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120 | MaterialManager::getSingleton().create("Visibility/ItemBufferPass",
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121 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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122 |
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123 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
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124 | mItemBufferPass->setColourWriteEnabled(true);
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125 | mItemBufferPass->setDepthWriteEnabled(true);
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126 | mItemBufferPass->setLightingEnabled(true);
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127 | //mItemBufferPass->setLightingEnabled(false);
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128 | }
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129 | else
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130 | {
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131 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
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132 | }
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133 | //mItemBufferPass->setAmbient(1, 1, 0);
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134 | }
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135 | //-------------------------------------------------------------------------
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136 | #if 1
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137 | void OcclusionCullingSceneManager::setWorldGeometry(DataStreamPtr& stream,
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138 | const String& typeName)
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139 | {
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140 | // Clear out any existing world resources (if not default)
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141 | if (ResourceGroupManager::getSingleton().getWorldResourceGroupName() !=
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142 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME)
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143 | {
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144 | ResourceGroupManager::getSingleton().clearResourceGroup(
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145 | ResourceGroupManager::getSingleton().getWorldResourceGroupName());
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146 | }
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147 |
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148 | destroyLevelIndexes();
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149 | mTerrainPages.clear();
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150 |
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151 | // Load the configuration
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152 | loadConfig(stream);
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153 |
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154 | //////////////
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155 | // file loading
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156 |
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157 | // load the scene
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158 | LoadScene(mFilename, mViewCellsFilename);
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159 |
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160 | // load view cells: load later ...
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161 | if (0) mViewCellsLoaded = LoadViewCells(mViewCellsFilename);
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162 |
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163 | if (mShowTerrain)
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164 | {
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165 | initLevelIndexes();
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166 |
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167 | // Resize the octree, allow for 1 page for now
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168 | float max_x = mOptions.scale.x * mOptions.pageSize;
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169 | float max_y = mOptions.scale.y;// * mOptions.pageSize;
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170 | float max_z = mOptions.scale.z * mOptions.pageSize;
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171 |
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172 | float maxAxis = std::max(max_x, max_y);
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173 | maxAxis = std::max(maxAxis, max_z);
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174 | //resize(AxisAlignedBox( 0, 0, 0, maxAxis, maxAxis, maxAxis));
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175 | resize(AxisAlignedBox( 0, 0, 0, max_x, max_y, max_z ));
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176 |
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177 | setupTerrainMaterial();
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178 | setupTerrainPages();
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179 | }
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180 | }
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181 | #endif
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182 |
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183 | //-------------------------------------------------------------------------
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184 | void OcclusionCullingSceneManager::loadConfig(DataStreamPtr& stream)
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185 | {
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186 | // Set up the options
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187 | ConfigFile config;
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188 | String val;
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189 |
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190 | config.load(stream);
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191 |
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192 | std::stringstream d;
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193 |
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194 | val = config.getSetting("DepthPass");
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195 |
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196 | if (!val.empty())
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197 | {
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198 | mUseDepthPass = atoi(val.c_str());
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199 | }
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200 |
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201 | val = config.getSetting("FlushQueue");
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202 |
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203 | if (!val.empty())
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204 | {
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205 | mDeleteQueueAfterRendering = atoi(val.c_str());
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206 | }
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207 |
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208 | val = config.getSetting("Scene");
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209 |
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210 | if (!val.empty())
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211 | {
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212 | mFilename = val.c_str();
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213 |
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214 | // load terrain instead of scene
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215 | if (mFilename == "terrain")
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216 | {
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217 | mShowTerrain = true;
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218 | LogManager::getSingleton().logMessage("loading terrain");
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219 | }
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220 | else
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221 | {
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222 | mShowTerrain = false;
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223 | LogManager::getSingleton().logMessage("loading geometry");
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224 | }
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225 | }
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226 |
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227 | if (!mShowTerrain)
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228 | {
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229 | val = config.getSetting("ViewCells");
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230 |
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231 | if (!val.empty())
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232 | {
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233 | mViewCellsFilename = val;
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234 | }
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235 | }
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236 |
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237 | val = config.getSetting("OnlineCullingAlgorithm");
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238 |
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239 | if (!val.empty())
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240 | {
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241 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm;
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242 |
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243 | if (val == "CHC")
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244 | {
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245 | algorithm =
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246 | GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING;
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247 | }
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248 | else if (val == "SWC")
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249 | {
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250 | algorithm =
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251 | GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING;
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252 | }
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253 | else if (val == "VFC")
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254 | {
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255 | algorithm =
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256 | GtpVisibility::VisibilityEnvironment::FRUSTUM_CULLING;
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257 | }
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258 | else // default rendering
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259 | {
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260 | algorithm =
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261 | GtpVisibility::VisibilityEnvironment::NUM_CULLING_MANAGERS;
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262 |
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263 | mNormalExecution = true;
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264 | }
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265 |
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266 | mVisibilityManager->SetCullingManager(algorithm);
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267 |
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268 | d << "setting algorithm to: " << algorithm;
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269 | LogManager::getSingleton().logMessage(d.str());
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270 | }
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271 |
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272 | /////////////
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273 | // terrain options
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274 |
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275 | if (!mShowTerrain)
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276 | return;
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277 |
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278 | val = config.getSetting("DetailTile");
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279 | if (!val.empty())
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280 | setDetailTextureRepeat(atoi(val.c_str()));
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281 |
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282 | val = config.getSetting("MaxMipMapLevel");
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283 | if (!val.empty())
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284 | setMaxGeoMipMapLevel(atoi(val.c_str()));
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285 |
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286 |
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287 | val = config.getSetting("PageSize");
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288 | if (!val.empty())
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289 | setPageSize(atoi(val.c_str()));
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290 | else
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291 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSize'",
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292 | "TerrainSceneManager::loadConfig");
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293 |
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294 |
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295 | val = config.getSetting("TileSize");
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296 | if (!val.empty())
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297 | setTileSize(atoi(val.c_str()));
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298 | else
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299 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'TileSize'",
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300 | "TerrainSceneManager::loadConfig");
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301 |
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302 | Vector3 v = Vector3::UNIT_SCALE;
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303 |
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304 | val = config.getSetting( "PageWorldX" );
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305 | if ( !val.empty() )
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306 | v.x = atof( val.c_str() );
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307 |
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308 | val = config.getSetting( "MaxHeight" );
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309 | if ( !val.empty() )
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310 | v.y = atof( val.c_str() );
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311 |
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312 | val = config.getSetting( "PageWorldZ" );
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313 | if ( !val.empty() )
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314 | v.z = atof( val.c_str() );
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315 |
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316 | // Scale x/z relative to pagesize
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317 | v.x /= mOptions.pageSize;
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318 | v.z /= mOptions.pageSize;
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319 | setScale(v);
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320 |
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321 | val = config.getSetting( "MaxPixelError" );
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322 | if ( !val.empty() )
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323 | setMaxPixelError(atoi( val.c_str() ));
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324 |
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325 | mDetailTextureName = config.getSetting( "DetailTexture" );
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326 |
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327 | mWorldTextureName = config.getSetting( "WorldTexture" );
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328 |
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329 | if ( config.getSetting( "VertexColours" ) == "yes" )
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330 | mOptions.coloured = true;
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331 |
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332 | if ( config.getSetting( "VertexNormals" ) == "yes" )
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333 | mOptions.lit = true;
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334 |
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335 | if ( config.getSetting( "UseTriStrips" ) == "yes" )
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336 | setUseTriStrips(true);
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337 |
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338 | if ( config.getSetting( "VertexProgramMorph" ) == "yes" )
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339 | setUseLODMorph(true);
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340 |
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341 | val = config.getSetting( "LODMorphStart");
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342 | if ( !val.empty() )
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343 | setLODMorphStart(atof(val.c_str()));
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344 |
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345 | val = config.getSetting( "CustomMaterialName" );
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346 | if ( !val.empty() )
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347 | setCustomMaterial(val);
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348 |
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349 | val = config.getSetting( "MorphLODFactorParamName" );
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350 | if ( !val.empty() )
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351 | setCustomMaterialMorphFactorParam(val);
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352 |
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353 | val = config.getSetting( "MorphLODFactorParamIndex" );
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354 | if ( !val.empty() )
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355 | setCustomMaterialMorphFactorParam(atoi(val.c_str()));
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356 |
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357 | // Now scan through the remaining settings, looking for any PageSource
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358 | // prefixed items
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359 | String pageSourceName = config.getSetting("PageSource");
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360 | if (pageSourceName == "")
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361 | {
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362 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSource'",
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363 | "TerrainSceneManager::loadConfig");
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364 | }
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365 |
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366 | TerrainPageSourceOptionList optlist;
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367 | ConfigFile::SettingsIterator setIt = config.getSettingsIterator();
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368 | while (setIt.hasMoreElements())
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369 | {
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370 | String name = setIt.peekNextKey();
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371 | String value = setIt.getNext();
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372 | if (StringUtil::startsWith(name, pageSourceName, false))
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373 | {
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374 | optlist.push_back(TerrainPageSourceOption(name, value));
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375 | }
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376 | }
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377 |
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378 | // set the page source
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379 | selectPageSource(pageSourceName, optlist);
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380 | }
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381 | //-----------------------------------------------------------------------
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382 | void OcclusionCullingSceneManager::PrepareVisualization(Camera *cam)
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383 | {
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384 | // add player camera for visualization purpose
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385 | try
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386 | {
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387 | Camera *c;
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388 | if ((c = getCamera("PlayerCam")) != NULL)
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389 | {
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390 | getRenderQueue()->addRenderable(c);
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391 | }
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392 | }
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393 | catch (...)
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394 | {
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395 | // ignore
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396 | }
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397 |
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398 | // add bounding boxes of rendered objects
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399 | if (0)
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400 | for (BoxList::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it)
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401 | {
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402 | getRenderQueue()->addRenderable(*it);
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403 | }
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404 |
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405 | // show current view cell geometry
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406 | if (mCurrentViewCell && mCurrentViewCell->GetMesh())
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407 | {/*
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408 | //const bool showSingleViewCell = true;
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409 | if (mViewCellsGeometryLoaded)
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410 | {
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411 | if (!mShowViewCells)
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412 | {
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413 | const int id = mCurrentViewCell->GetId();
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414 |
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415 | MovableMap::iterator fit = mViewCellsGeometry.find(id);
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416 |
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417 | if ((fit != mViewCellsGeometry.end()) && (*fit).second)
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418 | (*fit).second->_updateRenderQueue(getRenderQueue());
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419 | }
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420 | else
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421 | {
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422 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
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423 |
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424 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
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425 | {
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426 | if ((*mit).second)
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427 | (*mit).second->_updateRenderQueue(getRenderQueue());
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428 | }
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429 | }
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430 | }
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431 | */
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432 | //////////
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433 | //-- set PVS of view cell visible
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434 |
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435 | GtpVisibilityPreprocessor::ObjectPvsIterator pit = mCurrentViewCell->GetPvs().GetIterator();
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436 |
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437 | while (pit.HasMoreEntries())
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438 | {
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439 | GtpVisibilityPreprocessor::ObjectPvsEntry entry = pit.Next();
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440 | GtpVisibilityPreprocessor::Intersectable *obj = entry.mObject;
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441 |
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442 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(obj);
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443 | omi->GetEntity()->_updateRenderQueue(getRenderQueue());
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444 | }
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445 |
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446 | }
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447 | /*
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448 | if (mRenderNodesForViz || mRenderNodesContentForViz)
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449 | {
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450 | // HACK: change node material so it is better suited for visualization
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451 | MaterialPtr nodeMat = MaterialManager::getSingleton().getByName("Core/NodeMaterial");
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452 | nodeMat->setAmbient(1, 1, 0);
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453 | nodeMat->setLightingEnabled(true);
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454 | nodeMat->getTechnique(0)->getPass(0)->removeAllTextureUnitStates();
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455 |
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456 | for (NodeList::iterator it = mVisible.begin(); it != mVisible.end(); ++it)
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457 | {
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458 | if (mRenderNodesForViz)
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459 | {
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460 | // render the visible leaf nodes
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461 | if ((*it)->numAttachedObjects() &&
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462 | !(*it)->numChildren() &&
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463 | ((*it)->getAttachedObject(0)->getMovableType() == "Entity") &&
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464 | (*it)->getAttachedObject(0)->isVisible())
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465 | {
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466 | //getRenderQueue()->addRenderable((*it));
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467 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
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468 | }
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469 |
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470 | // add bounding boxes instead of node itself
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471 | if (0)
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472 | (*it)->_addBoundingBoxToQueue(getRenderQueue());
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473 | }
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474 |
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475 | // add renderables itself
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476 | if (mRenderNodesContentForViz)
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477 | {
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478 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
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479 | }
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480 | }
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481 | }*/
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482 | }
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483 | //-----------------------------------------------------------------------
|
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484 | const Pass *OcclusionCullingSceneManager::_setPass(const Pass* pass, bool evenIfSuppressed)
|
---|
485 | {
|
---|
486 | if (mNormalExecution)
|
---|
487 | {
|
---|
488 | return SceneManager::_setPass(pass);
|
---|
489 | }
|
---|
490 |
|
---|
491 | // TODO: setting vertex program is not efficient
|
---|
492 | //Pass *usedPass = ((mIsDepthPassPhase && !pass->hasVertexProgram()) ? mDepthPass : pass);
|
---|
493 |
|
---|
494 | // set depth fill pass if we currently do not make an aabb occlusion query
|
---|
495 | const bool useDepthPass =
|
---|
496 | (mIsDepthPassPhase && !mHierarchyInterface->IsBoundingBoxQuery());
|
---|
497 |
|
---|
498 | const IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
499 |
|
---|
500 | // set illumination stage to NONE so no shadow material is used
|
---|
501 | // for depth pass or for occlusion query
|
---|
502 | if (mIsDepthPassPhase || mHierarchyInterface->IsBoundingBoxQuery())
|
---|
503 | {
|
---|
504 | mIlluminationStage = IRS_NONE;
|
---|
505 | }
|
---|
506 |
|
---|
507 | // --- set vertex program of current pass in order to set correct depth
|
---|
508 | if (mExecuteVertexProgramForAllPasses &&
|
---|
509 | mIsDepthPassPhase &&
|
---|
510 | pass->hasVertexProgram())
|
---|
511 | {
|
---|
512 | // add vertex program of current pass to depth pass
|
---|
513 | mDepthPass->setVertexProgram(pass->getVertexProgramName());
|
---|
514 |
|
---|
515 | if (mDepthPass->hasVertexProgram())
|
---|
516 | {
|
---|
517 | const GpuProgramPtr& prg = mDepthPass->getVertexProgram();
|
---|
518 | // Load this program if not done already
|
---|
519 | if (!prg->isLoaded())
|
---|
520 | prg->load();
|
---|
521 | // Copy params
|
---|
522 | mDepthPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
523 | }
|
---|
524 | }
|
---|
525 | else if (mDepthPass->hasVertexProgram()) // reset vertex program
|
---|
526 | {
|
---|
527 | mDepthPass->setVertexProgram("");
|
---|
528 | }
|
---|
529 |
|
---|
530 | const Pass *usedPass = useDepthPass ? mDepthPass : pass;
|
---|
531 |
|
---|
532 | // save old depth write: needed for item buffer
|
---|
533 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
|
---|
534 |
|
---|
535 | // global option which enables / disables depth writes
|
---|
536 | if (!mEnableDepthWrite)
|
---|
537 | {
|
---|
538 | //usedPass->setDepthWriteEnabled(false);
|
---|
539 | }
|
---|
540 | //else if (mIsItemBufferPass) {usedPass = mItemBufferPass;}
|
---|
541 |
|
---|
542 | //-- set actual pass here
|
---|
543 | const Pass *result = SceneManager::_setPass(usedPass);
|
---|
544 |
|
---|
545 |
|
---|
546 | // reset depth write
|
---|
547 | if (!mEnableDepthWrite)
|
---|
548 | {
|
---|
549 | //usedPass->setDepthWriteEnabled(IsDepthWrite);
|
---|
550 | }
|
---|
551 |
|
---|
552 | // reset illumination stage
|
---|
553 | mIlluminationStage = savedStage;
|
---|
554 |
|
---|
555 | return result;
|
---|
556 | }
|
---|
557 | //-----------------------------------------------------------------------
|
---|
558 | void OcclusionCullingSceneManager::_findVisibleObjects(Camera* cam,
|
---|
559 | bool onlyShadowCasters)
|
---|
560 | {
|
---|
561 | if (mShowVisualization)
|
---|
562 | {
|
---|
563 | //////////////
|
---|
564 | //-- show visible scene nodes and octree bounding boxes from last frame
|
---|
565 | PrepareVisualization(cam);
|
---|
566 | }
|
---|
567 | else
|
---|
568 | {
|
---|
569 | // hierarchical culling interleaves identification
|
---|
570 | // and rendering of objects in _renderVisibibleObjects
|
---|
571 |
|
---|
572 | // for the shadow pass we use only standard rendering
|
---|
573 | // because shadows have low occlusion snyway
|
---|
574 | if (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
575 | mIlluminationStage == IRS_RENDER_TO_TEXTURE)
|
---|
576 | {
|
---|
577 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
|
---|
578 | }
|
---|
579 |
|
---|
580 | // only shadow casters will be rendered in shadow texture pass
|
---|
581 | if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
|
---|
582 |
|
---|
583 | ///////////
|
---|
584 | //-- set visibility according to pvs of current view cell
|
---|
585 |
|
---|
586 | UpdatePvs(cam);
|
---|
587 |
|
---|
588 | if (mNormalExecution)
|
---|
589 | {
|
---|
590 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
|
---|
591 | //return;
|
---|
592 | }
|
---|
593 | }
|
---|
594 |
|
---|
595 | // lists only used for visualization
|
---|
596 | mVisible.clear();
|
---|
597 | mBoxes.clear();
|
---|
598 | }
|
---|
599 | //-----------------------------------------------------------------------
|
---|
600 | void OcclusionCullingSceneManager::_renderVisibleObjects()
|
---|
601 | {
|
---|
602 | if (mNormalExecution)
|
---|
603 | {
|
---|
604 | // the standard octree rendering mode
|
---|
605 | TerrainSceneManager::_renderVisibleObjects();
|
---|
606 | getRenderQueue()->clear(mDeleteQueueAfterRendering);
|
---|
607 | return;
|
---|
608 | }
|
---|
609 |
|
---|
610 | InitDepthPass(); // create material for depth pass
|
---|
611 | InitItemBufferPass(); // create material for item buffer pass
|
---|
612 |
|
---|
613 | // save ambient light to reset later
|
---|
614 | ColourValue savedAmbient = mAmbientLight;
|
---|
615 |
|
---|
616 | ////////////////////
|
---|
617 | //-- apply standard rendering for some modes
|
---|
618 | //-- (e.g., the visualization mode, the shadow pass)
|
---|
619 |
|
---|
620 | if (mShowVisualization ||
|
---|
621 | (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
622 | mIlluminationStage == IRS_RENDER_TO_TEXTURE))
|
---|
623 | {
|
---|
624 | IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
625 |
|
---|
626 | if (mShowVisualization)
|
---|
627 | {
|
---|
628 | // disable illumination stage to prevent rendering shadows
|
---|
629 | mIlluminationStage = IRS_NONE;
|
---|
630 | }
|
---|
631 |
|
---|
632 | // standard rendering for shadow maps because of performance
|
---|
633 | TerrainSceneManager::_renderVisibleObjects();
|
---|
634 |
|
---|
635 | mIlluminationStage = savedStage;
|
---|
636 | }
|
---|
637 | else //-- the hierarchical culling algorithm
|
---|
638 | {
|
---|
639 | // note matt: this is also called in TerrainSceneManager: really necessary?
|
---|
640 | mDestRenderSystem -> setLightingEnabled(false);
|
---|
641 |
|
---|
642 | if (mUseItemBuffer)
|
---|
643 | {
|
---|
644 | // don't render backgrounds for item buffer
|
---|
645 | clearSpecialCaseRenderQueues();
|
---|
646 | getRenderQueue()->clear();
|
---|
647 | }
|
---|
648 |
|
---|
649 | ////////////////////
|
---|
650 | //-- hierarchical culling
|
---|
651 |
|
---|
652 | // the objects of different layers (e.g., background, scene,
|
---|
653 | // overlay) must be identified and rendered one after another
|
---|
654 |
|
---|
655 | // first render all early skies
|
---|
656 | clearSpecialCaseRenderQueues();
|
---|
657 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
|
---|
658 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
|
---|
659 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
|
---|
660 |
|
---|
661 | TerrainSceneManager::_renderVisibleObjects();
|
---|
662 |
|
---|
663 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
664 | // delete previously rendered content
|
---|
665 | _deleteRenderedQueueGroups();
|
---|
666 | #endif
|
---|
667 |
|
---|
668 | ///////////////////
|
---|
669 | //-- prepare queue for visible objects (i.e., all but overlay and skies late)
|
---|
670 |
|
---|
671 | clearSpecialCaseRenderQueues();
|
---|
672 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_LATE);
|
---|
673 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
|
---|
674 |
|
---|
675 | // exclude this queues from hierarchical rendering
|
---|
676 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
|
---|
677 |
|
---|
678 | // set all necessary parameters for
|
---|
679 | // hierarchical visibility culling and rendering
|
---|
680 | InitVisibilityCulling(mCameraInProgress);
|
---|
681 |
|
---|
682 |
|
---|
683 | /**
|
---|
684 | * the hierarchical culling algorithm
|
---|
685 | * for depth pass: we just find objects and update depth buffer
|
---|
686 | * for "delayed" rendering: we render some passes afterwards
|
---|
687 | * e.g., transparents, because they need front-to-back sorting
|
---|
688 | **/
|
---|
689 |
|
---|
690 | mVisibilityManager->ApplyVisibilityCulling();
|
---|
691 |
|
---|
692 | // delete remaining renderables from queue:
|
---|
693 | // all which are not in mLeavePassesInQueue)
|
---|
694 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
695 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
|
---|
696 | #endif
|
---|
697 |
|
---|
698 | /////////////
|
---|
699 | //-- reset parameters needed for special rendering
|
---|
700 |
|
---|
701 | mIsDepthPassPhase = false;
|
---|
702 | mIsItemBufferPhase = false;
|
---|
703 | mSkipTransparents = false;
|
---|
704 | mIsHierarchicalCulling = false;
|
---|
705 |
|
---|
706 | mLeavePassesInQueue = 0;
|
---|
707 |
|
---|
708 | // the shaded geometry is rendered in a second pass
|
---|
709 | if (mUseDepthPass)
|
---|
710 | {
|
---|
711 | // add visible nodes found by the visibility culling algorithm
|
---|
712 | NodeList::const_iterator it, it_end = mVisible.end();
|
---|
713 |
|
---|
714 | //getRenderQueue()->clear();
|
---|
715 | for (it = mVisible.begin(); it != it_end; ++ it)
|
---|
716 | {
|
---|
717 | (*it)->_addToRenderQueue(mCameraInProgress, getRenderQueue(), false);
|
---|
718 | }
|
---|
719 | }
|
---|
720 |
|
---|
721 | /////////////
|
---|
722 | //-- now we can render all remaining queue objects
|
---|
723 | //-- used for depth pass, transparents, overlay
|
---|
724 |
|
---|
725 | clearSpecialCaseRenderQueues();
|
---|
726 |
|
---|
727 | TerrainSceneManager::_renderVisibleObjects();
|
---|
728 | } // end hierarchical culling
|
---|
729 |
|
---|
730 | // HACK: set the new render level index, important to avoid cracks
|
---|
731 | // in terrain caused by LOD
|
---|
732 | TerrainRenderable::NextRenderLevelIndex();
|
---|
733 |
|
---|
734 | // reset ambient light
|
---|
735 | setAmbientLight(savedAmbient);
|
---|
736 |
|
---|
737 | // almost same effect as below
|
---|
738 | getRenderQueue()->clear(mDeleteQueueAfterRendering);
|
---|
739 |
|
---|
740 | if (0) WriteLog(); // write out stats
|
---|
741 | }
|
---|
742 |
|
---|
743 | //-----------------------------------------------------------------------
|
---|
744 | void OcclusionCullingSceneManager::_updateSceneGraph(Camera* cam)
|
---|
745 | {
|
---|
746 | if (mNormalExecution)
|
---|
747 | {
|
---|
748 | OctreeSceneManager::_updateSceneGraph(cam);
|
---|
749 | return;
|
---|
750 | }
|
---|
751 |
|
---|
752 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
|
---|
753 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
|
---|
754 |
|
---|
755 | TerrainSceneManager::_updateSceneGraph(cam);
|
---|
756 | }
|
---|
757 | //-----------------------------------------------------------------------
|
---|
758 | bool OcclusionCullingSceneManager::setOption(const String & key, const void * val)
|
---|
759 | {
|
---|
760 | if (key == "UseDepthPass")
|
---|
761 | {
|
---|
762 | mUseDepthPass = (*static_cast<const bool *>(val));
|
---|
763 | return true;
|
---|
764 | }
|
---|
765 | if (key == "PrepareVisualization")
|
---|
766 | {
|
---|
767 | mShowVisualization = (*static_cast<const bool *>(val));
|
---|
768 | return true;
|
---|
769 | }
|
---|
770 | if (key == "RenderNodesForViz")
|
---|
771 | {
|
---|
772 | mRenderNodesForViz = (*static_cast<const bool *>(val));
|
---|
773 | return true;
|
---|
774 | }
|
---|
775 | if (key == "RenderNodesContentForViz")
|
---|
776 | {
|
---|
777 | mRenderNodesContentForViz = (*static_cast<const bool *>(val));
|
---|
778 | return true;
|
---|
779 | }
|
---|
780 | if (key == "SkyBoxEnabled")
|
---|
781 | {
|
---|
782 | mSkyBoxEnabled = (*static_cast<const bool *>(val));
|
---|
783 | return true;
|
---|
784 | }
|
---|
785 | if (key == "SkyPlaneEnabled")
|
---|
786 | {
|
---|
787 | mSkyPlaneEnabled = (*static_cast<const bool *>(val));
|
---|
788 | return true;
|
---|
789 | }
|
---|
790 | if (key == "SkyDomeEnabled")
|
---|
791 | {
|
---|
792 | mSkyDomeEnabled = (*static_cast<const bool *>(val));
|
---|
793 | return true;
|
---|
794 | }
|
---|
795 | if (key == "VisualizeCulledNodes")
|
---|
796 | {
|
---|
797 | mVisualizeCulledNodes = (*static_cast<const bool *>(val));
|
---|
798 | return true;
|
---|
799 | }
|
---|
800 | if (key == "DelayRenderTransparents")
|
---|
801 | {
|
---|
802 | mDelayRenderTransparents = (*static_cast<const bool *>(val));
|
---|
803 | return true;
|
---|
804 | }
|
---|
805 | if (key == "DepthWrite")
|
---|
806 | {
|
---|
807 | mEnableDepthWrite = (*static_cast<const bool *>(val));
|
---|
808 | return true;
|
---|
809 | }
|
---|
810 | if (key == "UseItemBuffer")
|
---|
811 | {
|
---|
812 | mUseItemBuffer = (*static_cast<const bool *>(val));
|
---|
813 | return true;
|
---|
814 | }
|
---|
815 | if (key == "ExecuteVertexProgramForAllPasses")
|
---|
816 | {
|
---|
817 | mExecuteVertexProgramForAllPasses = (*static_cast<const bool *>(val));
|
---|
818 | return true;
|
---|
819 | }
|
---|
820 | if (key == "RenderTransparentsForItemBuffer")
|
---|
821 | {
|
---|
822 | mRenderTransparentsForItemBuffer = (*static_cast<const bool *>(val));
|
---|
823 | return true;
|
---|
824 | }
|
---|
825 | else if (key == "DeleteRenderQueue")
|
---|
826 | {
|
---|
827 | mDeleteQueueAfterRendering = (*static_cast<const bool *>(val));
|
---|
828 | return true;
|
---|
829 | }
|
---|
830 | if (key == "NodeVizScale")
|
---|
831 | {
|
---|
832 | OctreeNode::setVizScale(*static_cast<const float *>(val));
|
---|
833 | return true;
|
---|
834 | }
|
---|
835 | if (key == "UseViewCells")
|
---|
836 | {
|
---|
837 | if (!mViewCellsLoaded)
|
---|
838 | {
|
---|
839 | // try to load view cells
|
---|
840 | mViewCellsLoaded = LoadViewCells(mViewCellsFilename);
|
---|
841 | }
|
---|
842 |
|
---|
843 | if (!mViewCellsLoaded)
|
---|
844 | return false;
|
---|
845 |
|
---|
846 | // only use this option if view cells are available
|
---|
847 | mUseViewCells = *static_cast<const bool *>(val);
|
---|
848 |
|
---|
849 | // reset view cell
|
---|
850 | OGRE_DELETE(mCurrentViewCell);
|
---|
851 |
|
---|
852 | if (mUseViewCells)
|
---|
853 | {
|
---|
854 | mCurrentViewCell = mViewCellsManager->GenerateViewCell();
|
---|
855 | }
|
---|
856 |
|
---|
857 | // view cell corresponding to leaf in the view cell hierarchy
|
---|
858 | mElementaryViewCell = NULL;
|
---|
859 |
|
---|
860 | // all objects are set to invisible per default
|
---|
861 | SetObjectsVisible(!mUseViewCells);
|
---|
862 |
|
---|
863 | MovableObjectIterator movit = getMovableObjectIterator("Entity");
|
---|
864 | while (movit.hasMoreElements())
|
---|
865 | {
|
---|
866 | Entity *ent = static_cast<Entity *>(movit.getNext());
|
---|
867 | ent->setVisible(!mUseViewCells);
|
---|
868 | }
|
---|
869 |
|
---|
870 | return true;
|
---|
871 | }
|
---|
872 | if (key == "ShowViewCells")
|
---|
873 | {
|
---|
874 | // only use this option if view cells are available
|
---|
875 | if (mViewCellsLoaded)
|
---|
876 | {
|
---|
877 | mShowViewCells = *static_cast<const bool *>(val);
|
---|
878 | // if we decide use view cells
|
---|
879 | // all objects are set to invisible per default
|
---|
880 | VisualizeViewCells(mShowViewCells);
|
---|
881 | }
|
---|
882 |
|
---|
883 | return true;
|
---|
884 | }
|
---|
885 | if (key == "NormalExecution")
|
---|
886 | {
|
---|
887 | mNormalExecution = *static_cast<const bool *>(val);
|
---|
888 | return true;
|
---|
889 | }
|
---|
890 | if (key == "ShowTerrain")
|
---|
891 | {
|
---|
892 | mShowTerrain = *static_cast<const bool *>(val);
|
---|
893 | return true;
|
---|
894 | }
|
---|
895 | if (key == "UseVisibilityFilter")
|
---|
896 | {
|
---|
897 | mUseVisibilityFilter = *static_cast<const bool *>(val);
|
---|
898 |
|
---|
899 | // set null => recomputation of the pvs
|
---|
900 | mElementaryViewCell = NULL;
|
---|
901 |
|
---|
902 | return true;
|
---|
903 | }
|
---|
904 | if (key == "ViewCellsLoaded")
|
---|
905 | {
|
---|
906 | return mViewCellsLoaded;
|
---|
907 | }
|
---|
908 |
|
---|
909 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
910 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
|
---|
911 | }
|
---|
912 | //-----------------------------------------------------------------------
|
---|
913 | bool OcclusionCullingSceneManager::getOption(const String &key, void *val)
|
---|
914 | {
|
---|
915 | if (key == "NumHierarchyNodes")
|
---|
916 | {
|
---|
917 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctants;
|
---|
918 | return true;
|
---|
919 | }
|
---|
920 | if (key == "VisibilityManager")
|
---|
921 | {
|
---|
922 | * static_cast<GtpVisibility::VisibilityManager **>(val) =
|
---|
923 | (GtpVisibility::VisibilityManager *)mVisibilityManager;
|
---|
924 | return true;
|
---|
925 | }
|
---|
926 | if (key == "HierarchInterface")
|
---|
927 | {
|
---|
928 | * static_cast<GtpVisibility::HierarchyInterface **>(val) =
|
---|
929 | (GtpVisibility::HierarchyInterface *)mHierarchyInterface;
|
---|
930 | return true;
|
---|
931 | }
|
---|
932 | if (key == "ShowTerrain")
|
---|
933 | {
|
---|
934 | * static_cast<bool *>(val) = (bool *)mShowTerrain;
|
---|
935 | return true;
|
---|
936 | }
|
---|
937 | if (key == "UseDepthPass")
|
---|
938 | {
|
---|
939 | * static_cast<bool *>(val) = (bool *)mUseDepthPass;
|
---|
940 | return true;
|
---|
941 | }
|
---|
942 | if (key == "NormalExecution")
|
---|
943 | {
|
---|
944 | * static_cast<bool *>(val) = (bool *)mNormalExecution;
|
---|
945 | return true;
|
---|
946 | }
|
---|
947 | if (key == "Algorithm")
|
---|
948 | {
|
---|
949 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm =
|
---|
950 | mVisibilityManager->GetCullingManagerType();
|
---|
951 |
|
---|
952 | * static_cast<unsigned int *>(val) =
|
---|
953 | (unsigned int)algorithm;
|
---|
954 | return true;
|
---|
955 | }
|
---|
956 |
|
---|
957 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
958 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
|
---|
959 | }
|
---|
960 | //-----------------------------------------------------------------------
|
---|
961 | bool OcclusionCullingSceneManager::getOptionValues(const String & key,
|
---|
962 | StringVector &refValueList)
|
---|
963 | {
|
---|
964 | return TerrainSceneManager::getOptionValues( key, refValueList);
|
---|
965 | }
|
---|
966 | //-----------------------------------------------------------------------
|
---|
967 | bool OcclusionCullingSceneManager::getOptionKeys(StringVector & refKeys)
|
---|
968 | {
|
---|
969 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
970 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
|
---|
971 | }
|
---|
972 | //-----------------------------------------------------------------------
|
---|
973 | void OcclusionCullingSceneManager::setVisibilityManager(GtpVisibility::
|
---|
974 | VisibilityManager *visManager)
|
---|
975 | {
|
---|
976 | mVisibilityManager = visManager;
|
---|
977 | }
|
---|
978 | //-----------------------------------------------------------------------
|
---|
979 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::getVisibilityManager( void )
|
---|
980 | {
|
---|
981 | return mVisibilityManager;
|
---|
982 | }
|
---|
983 | //-----------------------------------------------------------------------
|
---|
984 | void OcclusionCullingSceneManager::WriteLog()
|
---|
985 | {
|
---|
986 | std::stringstream d;
|
---|
987 |
|
---|
988 | d << "Depth pass: " << StringConverter::toString(mUseDepthPass) << ", "
|
---|
989 | << "Delay transparents: " << StringConverter::toString(mDelayRenderTransparents) << ", "
|
---|
990 | << "Use optimization: " << StringConverter::toString(mHierarchyInterface->GetTestGeometryForVisibleLeaves()) << ", "
|
---|
991 | << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
|
---|
992 | << "Hierarchy nodes: " << mNumOctants << ", "
|
---|
993 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
|
---|
994 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
|
---|
995 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
|
---|
996 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
|
---|
997 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
998 | << "Found objects: " << (int)mVisible.size() << "\n";
|
---|
999 |
|
---|
1000 | LogManager::getSingleton().logMessage(d.str());
|
---|
1001 | }
|
---|
1002 | //-----------------------------------------------------------------------
|
---|
1003 | void OcclusionCullingSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1004 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1005 | {
|
---|
1006 | // Basic render loop
|
---|
1007 | // Iterate through priorities
|
---|
1008 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1009 |
|
---|
1010 | while (groupIt.hasMoreElements())
|
---|
1011 | {
|
---|
1012 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1013 |
|
---|
1014 | // Sort the queue first
|
---|
1015 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1016 |
|
---|
1017 | // Do solids
|
---|
1018 | renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1019 |
|
---|
1020 | // for correct rendering, transparents must be rendered
|
---|
1021 | // after hierarchical culling => don't render them now
|
---|
1022 |
|
---|
1023 | if (mNormalExecution || !mSkipTransparents)
|
---|
1024 | {
|
---|
1025 | // Do transparents (always descending)
|
---|
1026 | renderObjects(pPriorityGrp->getTransparents(),
|
---|
1027 | QueuedRenderableCollection::OM_SORT_DESCENDING, true);
|
---|
1028 | }
|
---|
1029 |
|
---|
1030 |
|
---|
1031 | } // for each priority
|
---|
1032 | }
|
---|
1033 |
|
---|
1034 | //-----------------------------------------------------------------------
|
---|
1035 | bool OcclusionCullingSceneManager::validatePassForRendering(Pass* pass)
|
---|
1036 | {
|
---|
1037 | if (mNormalExecution)
|
---|
1038 | {
|
---|
1039 | return SceneManager::validatePassForRendering(pass);
|
---|
1040 | }
|
---|
1041 |
|
---|
1042 | // skip all but first pass if we are doing the depth pass
|
---|
1043 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
1044 | {
|
---|
1045 | return false;
|
---|
1046 | }
|
---|
1047 | // all but first pass
|
---|
1048 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
1049 | {
|
---|
1050 | return false;
|
---|
1051 | }*/
|
---|
1052 |
|
---|
1053 | return SceneManager::validatePassForRendering(pass);
|
---|
1054 | }
|
---|
1055 | //-----------------------------------------------------------------------
|
---|
1056 | void OcclusionCullingSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1057 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1058 | {
|
---|
1059 | if (mNormalExecution || !mIsItemBufferPhase)
|
---|
1060 | {
|
---|
1061 | TerrainSceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
1062 | return;
|
---|
1063 | }
|
---|
1064 | #ifdef ITEM_BUFFER
|
---|
1065 | //-- item buffer
|
---|
1066 | //-- render objects using false colors
|
---|
1067 |
|
---|
1068 | // Iterate through priorities
|
---|
1069 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1070 |
|
---|
1071 | while (groupIt.hasMoreElements())
|
---|
1072 | {
|
---|
1073 | RenderItemBuffer(groupIt.getNext());
|
---|
1074 | }
|
---|
1075 | #endif // ITEM_BUFFER
|
---|
1076 | }
|
---|
1077 | #ifdef ITEM_BUFFER
|
---|
1078 | //-----------------------------------------------------------------------
|
---|
1079 | void OcclusionCullingSceneManager::RenderItemBuffer(RenderPriorityGroup* pGroup)
|
---|
1080 | {
|
---|
1081 | // Do solids
|
---|
1082 | QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
|
---|
1083 |
|
---|
1084 | // ----- SOLIDS LOOP -----
|
---|
1085 | RenderPriorityGroup::SolidRenderablePassMap::const_iterator ipass, ipassend;
|
---|
1086 | ipassend = solidObjs.end();
|
---|
1087 |
|
---|
1088 | for (ipass = solidObjs.begin(); ipass != ipassend; ++ipass)
|
---|
1089 | {
|
---|
1090 | // Fast bypass if this group is now empty
|
---|
1091 | if (ipass->second->empty())
|
---|
1092 | continue;
|
---|
1093 |
|
---|
1094 | // Render only first pass of renderable as false color
|
---|
1095 | if (ipass->first->getIndex() > 0)
|
---|
1096 | continue;
|
---|
1097 |
|
---|
1098 | RenderPriorityGroup::RenderableList* rendList = ipass->second;
|
---|
1099 |
|
---|
1100 | RenderPriorityGroup::RenderableList::const_iterator irend, irendend;
|
---|
1101 | irendend = rendList->end();
|
---|
1102 |
|
---|
1103 | for (irend = rendList->begin(); irend != irendend; ++irend)
|
---|
1104 | {
|
---|
1105 | if (0)
|
---|
1106 | {
|
---|
1107 | std::stringstream d; d << "itembuffer, pass name: " <<
|
---|
1108 | ipass->first->getParent()->getParent()->getName();
|
---|
1109 |
|
---|
1110 | LogManager::getSingleton().logMessage(d.str());
|
---|
1111 | }
|
---|
1112 |
|
---|
1113 | RenderSingleObjectForItemBuffer(*irend, ipass->first);
|
---|
1114 | }
|
---|
1115 | }
|
---|
1116 |
|
---|
1117 | ///////////
|
---|
1118 | //-- TRANSPARENT LOOP: must be handled differently from solids
|
---|
1119 |
|
---|
1120 | // transparents are treated either as solids or completely discarded
|
---|
1121 | if (mRenderTransparentsForItemBuffer)
|
---|
1122 | {
|
---|
1123 | QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
|
---|
1124 | RenderPriorityGroup::TransparentRenderablePassList::const_iterator
|
---|
1125 | itrans, itransend;
|
---|
1126 |
|
---|
1127 | itransend = transpObjs.end();
|
---|
1128 | for (itrans = transpObjs.begin(); itrans != itransend; ++itrans)
|
---|
1129 | {
|
---|
1130 | // like for solids, render only first pass
|
---|
1131 | if (itrans->pass->getIndex() == 0)
|
---|
1132 | {
|
---|
1133 | RenderSingleObjectForItemBuffer(itrans->renderable, itrans->pass);
|
---|
1134 | }
|
---|
1135 | }
|
---|
1136 | }
|
---|
1137 | }
|
---|
1138 | //-----------------------------------------------------------------------
|
---|
1139 | void OcclusionCullingSceneManager::RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass)
|
---|
1140 | {
|
---|
1141 | static LightList nullLightList;
|
---|
1142 |
|
---|
1143 | int col[4];
|
---|
1144 |
|
---|
1145 | // -- create color code out of object id
|
---|
1146 | col[0] = (rend->getId() >> 16) & 255;
|
---|
1147 | col[1] = (rend->getId() >> 8) & 255;
|
---|
1148 | col[2] = rend->getId() & 255;
|
---|
1149 | // col[3] = 255;
|
---|
1150 |
|
---|
1151 | //mDestRenderSystem->setColour(col[0], col[1], col[2], col[3]);
|
---|
1152 |
|
---|
1153 | mItemBufferPass->setAmbient(ColourValue(col[0] / 255.0f,
|
---|
1154 | col[1] / 255.0f,
|
---|
1155 | col[2] / 255.0f, 1));
|
---|
1156 |
|
---|
1157 | // set vertex program of current pass
|
---|
1158 | if (mExecuteVertexProgramForAllPasses && pass->hasVertexProgram())
|
---|
1159 | {
|
---|
1160 | mItemBufferPass->setVertexProgram(pass->getVertexProgramName());
|
---|
1161 |
|
---|
1162 | if (mItemBufferPass->hasVertexProgram())
|
---|
1163 | {
|
---|
1164 | const GpuProgramPtr& prg = mItemBufferPass->getVertexProgram();
|
---|
1165 | // Load this program if not done already
|
---|
1166 | if (!prg->isLoaded())
|
---|
1167 | prg->load();
|
---|
1168 | // Copy params
|
---|
1169 | mItemBufferPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
1170 | }
|
---|
1171 | }
|
---|
1172 | else if (mItemBufferPass->hasVertexProgram())
|
---|
1173 | {
|
---|
1174 | mItemBufferPass->setVertexProgram("");
|
---|
1175 | }
|
---|
1176 |
|
---|
1177 | const Pass *usedPass = _setPass(mItemBufferPass);
|
---|
1178 |
|
---|
1179 |
|
---|
1180 | // render a single object, this will set up auto params if required
|
---|
1181 | renderSingleObject(rend, usedPass, false, &nullLightList);
|
---|
1182 | }
|
---|
1183 | #endif // ITEM_BUFFER
|
---|
1184 | //-----------------------------------------------------------------------
|
---|
1185 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::GetVisibilityManager()
|
---|
1186 | {
|
---|
1187 | return mVisibilityManager;
|
---|
1188 | }
|
---|
1189 | //-----------------------------------------------------------------------
|
---|
1190 | void OcclusionCullingSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
1191 | {
|
---|
1192 | // reset culling manager stats
|
---|
1193 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
1194 |
|
---|
1195 | // set depth pass flag before rendering
|
---|
1196 | mIsDepthPassPhase = mUseDepthPass;
|
---|
1197 |
|
---|
1198 | mIsHierarchicalCulling = true; // during hierarchical culling
|
---|
1199 |
|
---|
1200 | // item buffer needs full ambient lighting to use item colors as unique id
|
---|
1201 | if (mUseItemBuffer)
|
---|
1202 | {
|
---|
1203 | mIsItemBufferPhase = true;
|
---|
1204 | setAmbientLight(ColourValue(1,1,1,1));
|
---|
1205 | }
|
---|
1206 |
|
---|
1207 |
|
---|
1208 | // set passes which are stored in render queue
|
---|
1209 | // for rendering AFTER hierarchical culling, i.e., passes which need
|
---|
1210 | // a special rendering order
|
---|
1211 |
|
---|
1212 | mLeavePassesInQueue = 0;
|
---|
1213 |
|
---|
1214 | // if we have the depth pass or use an item buffer, no passes are left in the queue
|
---|
1215 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
1216 | {
|
---|
1217 | if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)
|
---|
1218 | {
|
---|
1219 | // TODO: remove this pass because it should be processed during hierarchical culling
|
---|
1220 | //mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1221 |
|
---|
1222 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DECAL;
|
---|
1223 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DIFFUSE_SPECULAR;
|
---|
1224 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1225 |
|
---|
1226 | // just render ambient passes
|
---|
1227 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1228 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1229 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
1230 | }
|
---|
1231 |
|
---|
1232 | if (mShadowTechnique == SHADOWTYPE_STENCIL_MODULATIVE)
|
---|
1233 | {
|
---|
1234 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1235 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1236 | }
|
---|
1237 |
|
---|
1238 | // transparents should be rendered after hierarchical culling to
|
---|
1239 | // provide front-to-back ordering
|
---|
1240 | if (mDelayRenderTransparents)
|
---|
1241 | {
|
---|
1242 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1243 | }
|
---|
1244 | }
|
---|
1245 |
|
---|
1246 | // skip rendering transparents during the hierarchical culling
|
---|
1247 | // (because they will be rendered afterwards)
|
---|
1248 | mSkipTransparents =
|
---|
1249 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
1250 |
|
---|
1251 | // -- initialise interface for rendering traversal of the hierarchy
|
---|
1252 | mHierarchyInterface->SetHierarchyRoot(mOctree);
|
---|
1253 |
|
---|
1254 | // possible two cameras (one for culling, one for rendering)
|
---|
1255 | mHierarchyInterface->InitTraversal(mCameraInProgress,
|
---|
1256 | mCullCamera ? getCamera("CullCamera") : NULL,
|
---|
1257 | mLeavePassesInQueue);
|
---|
1258 |
|
---|
1259 | }
|
---|
1260 | //-----------------------------------------------------------------------
|
---|
1261 | OctreeHierarchyInterface *OcclusionCullingSceneManager::GetHierarchyInterface()
|
---|
1262 | {
|
---|
1263 | return mHierarchyInterface;
|
---|
1264 | }
|
---|
1265 | //-----------------------------------------------------------------------
|
---|
1266 | void OcclusionCullingSceneManager::endFrame()
|
---|
1267 | {
|
---|
1268 | TerrainRenderable::ResetRenderLevelIndex();
|
---|
1269 | }
|
---|
1270 | //-----------------------------------------------------------------------
|
---|
1271 | Entity* OcclusionCullingSceneManager::createEntity(const String& entityName,
|
---|
1272 | const String& meshName)
|
---|
1273 | {
|
---|
1274 | Entity *ent = SceneManager::createEntity(entityName, meshName);
|
---|
1275 |
|
---|
1276 | for (int i = 0; i < (int)ent->getNumSubEntities(); ++i)
|
---|
1277 | {
|
---|
1278 | ent->getSubEntity(i)->setId(mCurrentEntityId);
|
---|
1279 | }
|
---|
1280 |
|
---|
1281 | // increase counter of entity id values
|
---|
1282 | ++ mCurrentEntityId;
|
---|
1283 |
|
---|
1284 | return ent;
|
---|
1285 | }
|
---|
1286 | //-----------------------------------------------------------------------
|
---|
1287 | void OcclusionCullingSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
1288 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1289 | {
|
---|
1290 | // only render solid passes during hierarchical culling
|
---|
1291 | if (mIsHierarchicalCulling)
|
---|
1292 | {
|
---|
1293 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1294 | LightList lightList;
|
---|
1295 |
|
---|
1296 | while (groupIt.hasMoreElements())
|
---|
1297 | {
|
---|
1298 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1299 |
|
---|
1300 | // Sort the queue first
|
---|
1301 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1302 |
|
---|
1303 | // Clear light list
|
---|
1304 | lightList.clear();
|
---|
1305 |
|
---|
1306 | // Render all the ambient passes first, no light iteration, no lights
|
---|
1307 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1308 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1309 |
|
---|
1310 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
1311 | // Also render any objects which have receive shadows disabled
|
---|
1312 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
1313 | #if 0
|
---|
1314 | std::stringstream d;
|
---|
1315 | d << " solid size: " << (int)pPriorityGrp->_getSolidPasses().size()
|
---|
1316 | << " solid no shadow size: " << (int)pPriorityGrp->_getSolidPassesNoShadow().size()
|
---|
1317 | << "difspec size: " << (int)pPriorityGrp->_getSolidPassesDiffuseSpecular().size()
|
---|
1318 | << " decal size: " << (int)pPriorityGrp->_getSolidPassesDecal().size();
|
---|
1319 | LogManager::getSingleton().logMessage(d.str());
|
---|
1320 | #endif
|
---|
1321 | }
|
---|
1322 | }
|
---|
1323 | else // render the rest of the passes
|
---|
1324 | {
|
---|
1325 | OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1326 | }
|
---|
1327 | }
|
---|
1328 | //-----------------------------------------------------------------------
|
---|
1329 | void OcclusionCullingSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
1330 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1331 | {
|
---|
1332 | if (mIsHierarchicalCulling)
|
---|
1333 | {
|
---|
1334 | // Iterate through priorities
|
---|
1335 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1336 |
|
---|
1337 | while (groupIt.hasMoreElements())
|
---|
1338 | {
|
---|
1339 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1340 |
|
---|
1341 | // Sort the queue first
|
---|
1342 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1343 | // Do (shadowable) solids
|
---|
1344 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1345 | }
|
---|
1346 | }
|
---|
1347 | else
|
---|
1348 | {
|
---|
1349 | OctreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1350 | }
|
---|
1351 | }
|
---|
1352 | //-------------------------------------------------------------------------
|
---|
1353 | void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
|
---|
1354 | {
|
---|
1355 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
1356 |
|
---|
1357 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
1358 | {
|
---|
1359 | GtpVisibilityPreprocessor::Intersectable *entry = *it;
|
---|
1360 |
|
---|
1361 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(entry);
|
---|
1362 | omi->GetEntity()->setVisible(visible);
|
---|
1363 | //GtpVisibilityPreprocessor::Debug << "assigned id " << omi->GetId() << endl;
|
---|
1364 | }
|
---|
1365 | }
|
---|
1366 | //-----------------------------------------------------------------------
|
---|
1367 | bool OcclusionCullingSceneManager::LoadViewCells(const String &filename)
|
---|
1368 | {
|
---|
1369 | // no filename specified
|
---|
1370 | if (filename == "")
|
---|
1371 | return false;
|
---|
1372 |
|
---|
1373 | // view cells already loaded
|
---|
1374 | if (mViewCellsLoaded)
|
---|
1375 | return true;
|
---|
1376 |
|
---|
1377 | // converter between view cell ids and Ogre entites
|
---|
1378 | OctreeBoundingBoxConverter bconverter(this);
|
---|
1379 |
|
---|
1380 | // load the view cells assigning the found objects to the pvss
|
---|
1381 | const bool finalizeViewCells = false;
|
---|
1382 |
|
---|
1383 | // load the view cells assigning the found objects to the pvss
|
---|
1384 | mViewCellsManager =
|
---|
1385 | GtpVisibilityPreprocessor::ViewCellsManager::
|
---|
1386 | LoadViewCells(filename, mObjects, false, &bconverter);
|
---|
1387 |
|
---|
1388 | Ogre::LogManager::getSingleton().logMessage("******** view cells loaded *********");
|
---|
1389 |
|
---|
1390 | // objects are set to invisible initially
|
---|
1391 | SetObjectsVisible(false);
|
---|
1392 |
|
---|
1393 | if (finalizeViewCells)
|
---|
1394 | {
|
---|
1395 | CreateViewCellsGeometry();
|
---|
1396 | }
|
---|
1397 |
|
---|
1398 | return (mViewCellsManager != NULL);
|
---|
1399 | }
|
---|
1400 | //-------------------------------------------------------------------------
|
---|
1401 | void OcclusionCullingSceneManager::ApplyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
1402 | const bool load)
|
---|
1403 | {
|
---|
1404 | // NOTE: should not encounter NULL view cell,
|
---|
1405 | // rather apply view cell representing unbounded space then
|
---|
1406 | if (!vc)
|
---|
1407 | {
|
---|
1408 | LogManager::getSingleton().logMessage("error: should not come here");
|
---|
1409 | // question: if no view cell, set everything visible?
|
---|
1410 | //SetObjectsVisible(true);
|
---|
1411 | SetObjectsVisible(false);
|
---|
1412 | return;
|
---|
1413 | }
|
---|
1414 |
|
---|
1415 | GtpVisibilityPreprocessor::ObjectPvsIterator pit = vc->GetPvs().GetIterator();
|
---|
1416 |
|
---|
1417 | ////////////
|
---|
1418 | //-- set PVS of view cell to visible
|
---|
1419 |
|
---|
1420 | //std::stringstream d; d << "appying new view cell pvs: " << vc->GetPvs().GetSize();
|
---|
1421 | //LogManager::getSingleton().logMessage(d.str());
|
---|
1422 |
|
---|
1423 | while (pit.HasMoreEntries())
|
---|
1424 | {
|
---|
1425 | GtpVisibilityPreprocessor::ObjectPvsEntry entry = pit.Next();
|
---|
1426 | GtpVisibilityPreprocessor::Intersectable *obj = entry.mObject;
|
---|
1427 |
|
---|
1428 | // no associated geometry found
|
---|
1429 | if (!obj) continue;
|
---|
1430 |
|
---|
1431 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(obj);
|
---|
1432 | omi->GetEntity()->setVisible(load);
|
---|
1433 | }
|
---|
1434 | }
|
---|
1435 | //-------------------------------------------------------------------------
|
---|
1436 | void OcclusionCullingSceneManager::UpdatePvs(Camera *cam)
|
---|
1437 | {
|
---|
1438 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
1439 | return;
|
---|
1440 |
|
---|
1441 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
1442 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
1443 |
|
---|
1444 | //std::stringstream d; d << "vp: " << viewPoint;
|
---|
1445 | //LogManager::getSingleton().logMessage(d.str());
|
---|
1446 |
|
---|
1447 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
1448 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
1449 |
|
---|
1450 | // elementary view cell did not change => don't change pvs
|
---|
1451 | if (mElementaryViewCell == newElementary)
|
---|
1452 | return;
|
---|
1453 |
|
---|
1454 | mElementaryViewCell = newElementary;
|
---|
1455 |
|
---|
1456 |
|
---|
1457 | //////////////
|
---|
1458 | //-- unload old pvs
|
---|
1459 |
|
---|
1460 | ApplyViewCellPvs(mCurrentViewCell, false);
|
---|
1461 |
|
---|
1462 | // the new view cell
|
---|
1463 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
1464 |
|
---|
1465 | if (mUseVisibilityFilter)
|
---|
1466 | {
|
---|
1467 | ////////////
|
---|
1468 | //-- compute new filtered cell
|
---|
1469 |
|
---|
1470 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
1471 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
1472 | viewCell = prvs.mViewCell;
|
---|
1473 | }
|
---|
1474 | else
|
---|
1475 | {
|
---|
1476 | viewCell = newElementary;
|
---|
1477 | }
|
---|
1478 |
|
---|
1479 | ///////////////
|
---|
1480 | //-- load new pvs
|
---|
1481 |
|
---|
1482 | ApplyViewCellPvs(viewCell, true);
|
---|
1483 |
|
---|
1484 | if (viewCell)
|
---|
1485 | {
|
---|
1486 | // store current view cell
|
---|
1487 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
1488 | mCurrentViewCell->SetMesh(viewCell->GetMesh());
|
---|
1489 | mCurrentViewCell->SetId(viewCell->GetId());
|
---|
1490 |
|
---|
1491 | // delete merge tree of filtered view cell
|
---|
1492 | if (mUseVisibilityFilter)
|
---|
1493 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
1494 | }
|
---|
1495 | }
|
---|
1496 | //-------------------------------------------------------------------------
|
---|
1497 | void OcclusionCullingSceneManager::CreateViewCellsGeometry()
|
---|
1498 | {
|
---|
1499 | //LogManager::getSingleton().logMessage("creating view cells geometry");
|
---|
1500 | if (mViewCellsGeometryLoaded) return;
|
---|
1501 |
|
---|
1502 | GtpVisibilityPreprocessor::ViewCellContainer viewCells =
|
---|
1503 | mViewCellsManager->GetViewCells();
|
---|
1504 |
|
---|
1505 | GtpVisibilityPreprocessor::ViewCellContainer::const_iterator it, it_end = viewCells.end();
|
---|
1506 | for (it = viewCells.begin(); it != it_end; ++ it)
|
---|
1507 | {
|
---|
1508 | GtpVisibilityPreprocessor::ViewCell *viewCell = *it;
|
---|
1509 |
|
---|
1510 | ManualObject *manual =
|
---|
1511 | OgreTypeConverter::ConvertToOgre(viewCell->GetMesh(), this);
|
---|
1512 |
|
---|
1513 | if (manual)
|
---|
1514 | {
|
---|
1515 | mViewCellsGeometry[viewCell->GetId()] = manual;
|
---|
1516 |
|
---|
1517 | // attach to scene node
|
---|
1518 | getRootSceneNode()->createChildSceneNode()->attachObject(manual);
|
---|
1519 | manual->setQueryFlags(0); // returned by no query
|
---|
1520 |
|
---|
1521 | // initialy set to invisible
|
---|
1522 | manual->setVisible(false);
|
---|
1523 | }
|
---|
1524 | }
|
---|
1525 |
|
---|
1526 | mViewCellsGeometryLoaded = true;
|
---|
1527 | }
|
---|
1528 | //-------------------------------------------------------------------------
|
---|
1529 | void OcclusionCullingSceneManager::VisualizeViewCells(const bool visualize)
|
---|
1530 | {
|
---|
1531 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
|
---|
1532 |
|
---|
1533 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
|
---|
1534 | {
|
---|
1535 | if ((*mit).second)
|
---|
1536 | (*mit).second->setVisible(visualize);
|
---|
1537 | }
|
---|
1538 | }
|
---|
1539 | #if 0
|
---|
1540 | //-------------------------------------------------------------------------
|
---|
1541 | void OcclusionCullingSceneManager::TestVisible(SceneNode *node)
|
---|
1542 | {
|
---|
1543 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1544 | if (!node->mVisibleChildren)
|
---|
1545 | {
|
---|
1546 | node->setVisible(false);
|
---|
1547 | }
|
---|
1548 |
|
---|
1549 | node->getOctant()->mVisibleChildren --;
|
---|
1550 | }
|
---|
1551 | //-------------------------------------------------------------------------
|
---|
1552 | void OcclusionCullingSceneManager::TestVisible(Octree *octant)
|
---|
1553 | {
|
---|
1554 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1555 | if (!octant->mVisibleChildren)
|
---|
1556 | {
|
---|
1557 | octant->setVisible(false);
|
---|
1558 | }
|
---|
1559 | }
|
---|
1560 |
|
---|
1561 | //-------------------------------------------------------------------------
|
---|
1562 | void OcclusionCullingSceneManager::UpdateVisibility(Entity *ent)
|
---|
1563 | {
|
---|
1564 | if (!ent->isVisible())
|
---|
1565 | {
|
---|
1566 | bool visible = TestVisible(ent->getParentNode());
|
---|
1567 |
|
---|
1568 | if (!visible)
|
---|
1569 | visible = TestVisible(octant->getParentNode());
|
---|
1570 |
|
---|
1571 | if (!visible)
|
---|
1572 | mHierarchyInterface->pullupVisibility();
|
---|
1573 | }
|
---|
1574 | }
|
---|
1575 | #endif
|
---|
1576 | // splits strings containing multiple file names
|
---|
1577 | static int SplitFilenames(const std::string str,
|
---|
1578 | std::vector<std::string> &filenames)
|
---|
1579 | {
|
---|
1580 | int pos = 0;
|
---|
1581 |
|
---|
1582 | while(1)
|
---|
1583 | {
|
---|
1584 | int npos = (int)str.find(';', pos);
|
---|
1585 |
|
---|
1586 | if (npos < 0 || npos - pos < 1)
|
---|
1587 | break;
|
---|
1588 | filenames.push_back(std::string(str, pos, npos - pos));
|
---|
1589 | pos = npos + 1;
|
---|
1590 | }
|
---|
1591 |
|
---|
1592 | filenames.push_back(std::string(str, pos, str.size() - pos));
|
---|
1593 | return (int)filenames.size();
|
---|
1594 | }
|
---|
1595 | //-----------------------------------------------------------------------
|
---|
1596 | bool OcclusionCullingSceneManager::LoadScene(const String &filename,
|
---|
1597 | const String &viewCellsFilename)
|
---|
1598 | {
|
---|
1599 | using namespace std;
|
---|
1600 |
|
---|
1601 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
1602 | vector<string> filenames;
|
---|
1603 | const int files = SplitFilenames(filename, filenames);
|
---|
1604 |
|
---|
1605 | stringstream d;
|
---|
1606 | d << "number of input files: " << files << "\n";
|
---|
1607 | LogManager::getSingleton().logMessage(d.str());
|
---|
1608 |
|
---|
1609 | bool result = false;
|
---|
1610 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
1611 | int i = 0;
|
---|
1612 |
|
---|
1613 | if (filename == "terrain")
|
---|
1614 | {
|
---|
1615 | LogManager::getSingleton().logMessage("loading terrain");
|
---|
1616 |
|
---|
1617 | // terrain hack
|
---|
1618 | return false;
|
---|
1619 | }
|
---|
1620 |
|
---|
1621 | for (fit = filenames.begin(); fit != fit_end; ++ fit, ++ i)
|
---|
1622 | {
|
---|
1623 | const string fn = *fit;
|
---|
1624 |
|
---|
1625 | if (strstr(fn.c_str(), ".obj"))
|
---|
1626 | {
|
---|
1627 | // load iv files
|
---|
1628 | if (!LoadSceneObj(filename, viewCellsFilename, getRootSceneNode()))
|
---|
1629 | {
|
---|
1630 | LogManager::getSingleton().logMessage("error loading file");
|
---|
1631 | return false;
|
---|
1632 | }
|
---|
1633 | }
|
---|
1634 | else if (strstr(fn.c_str(), ".iv") || strstr(fn.c_str(), ".wrl"))
|
---|
1635 | {
|
---|
1636 | // load iv files
|
---|
1637 | if (!LoadSceneIV(fn, getRootSceneNode(), i))
|
---|
1638 | {
|
---|
1639 | // terrain hack
|
---|
1640 | LogManager::getSingleton().logMessage("error loading file");
|
---|
1641 | }
|
---|
1642 | }
|
---|
1643 |
|
---|
1644 | // at least one piece of geometry loaded
|
---|
1645 | result = true;
|
---|
1646 | }
|
---|
1647 |
|
---|
1648 | return result;
|
---|
1649 | }
|
---|
1650 | //-----------------------------------------------------------------------
|
---|
1651 | bool OcclusionCullingSceneManager::LoadSceneIV(const String &filename,
|
---|
1652 | SceneNode *root,
|
---|
1653 | const int index)
|
---|
1654 | {
|
---|
1655 | IVReader ivReader;
|
---|
1656 |
|
---|
1657 | Timer *timer = PlatformManager::getSingleton().createTimer();
|
---|
1658 | timer->reset();
|
---|
1659 |
|
---|
1660 | if (1)
|
---|
1661 | {
|
---|
1662 | std::string logFilename = "IVLog" + Ogre::StringConverter().toString(index) + ".log";
|
---|
1663 |
|
---|
1664 | Log *log = LogManager::getSingleton().createLog(logFilename);
|
---|
1665 | ivReader.setLog(log);
|
---|
1666 | }
|
---|
1667 |
|
---|
1668 | //viennaNode->translate(Vector3(-300, -300, 0));
|
---|
1669 |
|
---|
1670 | if (ivReader.loadFile(filename.c_str()))
|
---|
1671 | {
|
---|
1672 | SceneNode *node = root->createChildSceneNode("IVSceneNode" + index);
|
---|
1673 |
|
---|
1674 | ivReader.buildTree(this, node);
|
---|
1675 |
|
---|
1676 | ivReader.collapse();
|
---|
1677 |
|
---|
1678 | std::stringstream d;
|
---|
1679 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
|
---|
1680 | LogManager::getSingleton().logMessage(d.str());
|
---|
1681 |
|
---|
1682 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1683 |
|
---|
1684 | //-- bake into static geometry
|
---|
1685 | /*if (USE_STATIC_GEOMETRY)
|
---|
1686 | {
|
---|
1687 | BakeSceneIntoStaticGeometry("staticVienna", "Vienna");
|
---|
1688 | }*/
|
---|
1689 |
|
---|
1690 | return true;
|
---|
1691 | }
|
---|
1692 |
|
---|
1693 | return false;
|
---|
1694 | }
|
---|
1695 | //-----------------------------------------------------------------------
|
---|
1696 | bool OcclusionCullingSceneManager::LoadSceneObj(const String &filename,
|
---|
1697 | const String &viewCellsFile,
|
---|
1698 | SceneNode *root)
|
---|
1699 | {
|
---|
1700 | ObjReader objReader(this);
|
---|
1701 |
|
---|
1702 | Timer *timer = PlatformManager::getSingleton().createTimer();
|
---|
1703 | timer->reset();
|
---|
1704 |
|
---|
1705 | if (!objReader.LoadFile(filename.c_str(), viewCellsFile, root))
|
---|
1706 | {
|
---|
1707 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1708 | return false;
|
---|
1709 | }
|
---|
1710 |
|
---|
1711 | SceneNode *node = root->createChildSceneNode("ObjSceneNode");
|
---|
1712 |
|
---|
1713 | std::stringstream d;
|
---|
1714 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
|
---|
1715 | LogManager::getSingleton().logMessage(d.str());
|
---|
1716 |
|
---|
1717 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1718 |
|
---|
1719 | return true;
|
---|
1720 | }
|
---|
1721 | //-----------------------------------------------------------------------
|
---|
1722 | const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
|
---|
1723 | //-----------------------------------------------------------------------
|
---|
1724 | void OcclusionCullingSceneManagerFactory::initMetaData(void) const
|
---|
1725 | {
|
---|
1726 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
1727 | mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
|
---|
1728 | mMetaData.sceneTypeMask = 0xFFFF; // support all types
|
---|
1729 | mMetaData.worldGeometrySupported = false;
|
---|
1730 | }
|
---|
1731 | //-----------------------------------------------------------------------
|
---|
1732 | SceneManager *OcclusionCullingSceneManagerFactory::createInstance(
|
---|
1733 | const String& instanceName)
|
---|
1734 | {
|
---|
1735 | OcclusionCullingSceneManager* tsm =
|
---|
1736 | new OcclusionCullingSceneManager(instanceName, visManager);
|
---|
1737 |
|
---|
1738 | // Create & register default sources (one per manager)
|
---|
1739 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource();
|
---|
1740 | mTerrainPageSources.push_back(ps);
|
---|
1741 | tsm->registerPageSource("Heightmap", ps);
|
---|
1742 |
|
---|
1743 | return tsm;
|
---|
1744 | }
|
---|
1745 | //-----------------------------------------------------------------------
|
---|
1746 | void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
1747 | {
|
---|
1748 | delete instance;
|
---|
1749 | }
|
---|
1750 |
|
---|
1751 | } // namespace Ogre
|
---|