1 | /*
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2 | -----------------------------------------------------------------------------
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3 | This source file is part of the GameTools Project
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4 | http://www.gametools.org
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5 |
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6 | Author: Martin Szydlowski
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7 | -----------------------------------------------------------------------------
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8 | */
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9 |
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10 | #include <OgreCamera.h>
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11 | #include <OgreSubEntity.h>
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12 | #include <OgreMaterialManager.h>
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13 | #include <OgreLogManager.h>
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14 | #include <OgreStringConverter.h>
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15 |
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16 | #include "OgreKdTreeSceneManager.h"
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17 | #include "OgreKdTreeSceneNode.h"
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18 | #include "OgreKdTree.h"
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19 |
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20 | #include <OgreMeshInstance.h>
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21 | #include <OgreBoundingBoxConverter.h>
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22 | #include <OgreTypeConverter.h>
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23 | #include <VisibilityEnvironment.h>
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24 | #include "OgreVisibilityOptionsManager.h"
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25 |
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26 | namespace Ogre
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27 | {
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28 |
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29 | KdTreeSceneManager::KdTreeSceneManager(const String& name, GtpVisibility::VisibilityManager *vm):
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30 | SceneManager(name),
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31 | mVisibilityManager(vm),
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32 | mKdTree(0),
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33 | mMaxDepth(KDTREE_MAX_DEPTH),
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34 | mShowBoxes(false),
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35 | mHiLiteLevel(0),
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36 | mShowAllBoxes(false),
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37 | mEnhancedVisiblity(true),
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38 | mBuildMethod(KdTree::KDBM_RECURSIVE),
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39 | mRenderMethod(KdTree::KDRM_INTERNAL),
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40 | mShowVisualization(false),
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41 | mRenderNodesForViz(false),
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42 | mRenderNodesContentForViz(false),
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43 | mVisualizeCulledNodes(false),
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44 | mLeavePassesInQueue(0),
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45 | mDelayRenderTransparents(true),
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46 | mUseDepthPass(false),
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47 | mIsDepthPassPhase(false),
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48 | mUseItemBuffer(false),
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49 | mIsItemBufferPhase(false),
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50 | mCurrentEntityId(1),
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51 | mEnableDepthWrite(true),
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52 | mSkipTransparents(false),
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53 | mRenderTransparentsForItemBuffer(true),
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54 | mExecuteVertexProgramForAllPasses(false),
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55 | mIsHierarchicalCulling(false),
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56 | mDeleteQueueAfterRendering(true),
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57 | mViewCellsLoaded(false),
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58 | mUseViewCells(false),
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59 | mUseVisibilityFilter(false),
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60 | mViewCellsManager(0),
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61 | mElementaryViewCell(0),
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62 | mCurrentViewCell(0)
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63 | {
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64 | // Replace root node with my node
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65 | OGRE_DELETE(mSceneRoot);
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66 | mSceneRoot = new KdTreeSceneNode(this, "root node");
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67 | mSceneRoot->_notifyRootNode();
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68 |
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69 | // init heirarchy interface
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70 | mHierarchyInterface = new KdTreeHierarchyInterface(this, mDestRenderSystem);
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71 | }
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72 |
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73 | KdTreeSceneManager::~KdTreeSceneManager(void)
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74 | {
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75 | delete mHierarchyInterface;
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76 | delete mKdTree;
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77 | }
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78 |
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79 | void KdTreeSceneManager::clearScene()
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80 | {
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81 | // DEBUG
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82 | //if (mKdTree)
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83 | // mKdTree->dump();
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84 |
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85 | // must happen before actual scene is cleared
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86 | OGRE_DELETE(mKdTree);
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87 |
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88 | SceneManager::clearScene();
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89 | }
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90 |
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91 |
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92 | const String& KdTreeSceneManager::getTypeName(void) const
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93 | {
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94 | return KdTreeSceneManagerFactory::FACTORY_TYPE_NAME;
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95 | }
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96 |
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97 | void KdTreeSceneManager::setShowBoxes(bool showboxes)
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98 | {
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99 | mShowBoxes = showboxes;
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100 | }
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101 |
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102 | bool KdTreeSceneManager::getShowBoxes(void) const
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103 | {
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104 | return mShowBoxes;
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105 | }
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106 |
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107 | bool KdTreeSceneManager::setOption(const String& strKey, const void* pValue)
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108 | {
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109 | // change max depth of the kdtree
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110 | // rebuild the tree if already exists
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111 | if (strKey == "KdTreeMaxDepth")
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112 | {
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113 | int maxdepth = *static_cast<const int *>(pValue);
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114 |
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115 | // no negative depth, plz!
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116 | if (maxdepth < 0)
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117 | {
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118 | return false;
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119 | }
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120 | else
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121 | {
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122 | mMaxDepth = maxdepth;
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123 | if (mHiLiteLevel > mMaxDepth)
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124 | mHiLiteLevel = mMaxDepth;
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125 | return true;
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126 | }
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127 | return true;
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128 | }
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129 | else if (strKey == "KT")
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130 | {
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131 | Real kt = *static_cast<const Real *>(pValue);
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132 | if (kt > 0)
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133 | {
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134 | PlaneEvent::KT = kt;
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135 | return true;
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136 | }
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137 | else
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138 | {
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139 | return false;
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140 | }
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141 | }
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142 | else if (strKey == "KI")
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143 | {
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144 | Real ki = *static_cast<const Real *>(pValue);
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145 | if (ki > 0)
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146 | {
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147 | PlaneEvent::KI = ki;
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148 | return true;
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149 | }
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150 | else
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151 | {
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152 | return false;
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153 | }
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154 | }
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155 | else if (strKey == "RebuildKdTree")
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156 | {
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157 | OGRE_DELETE(mKdTree);
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158 | mKdTree = new KdTree(mMaxDepth, mBuildMethod, mHiLiteLevel, mShowAllBoxes, mShowNodes);
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159 | mKdTree->build(static_cast<KdTreeSceneNode *>(mSceneRoot));
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160 | mKdTree->setEnhancedVis(mEnhancedVisiblity);
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161 | return true;
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162 | }
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163 | else if (strKey == "EnhancedVisibility")
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164 | {
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165 | bool enh = *static_cast<const bool *>(pValue);
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166 | mEnhancedVisiblity = enh;
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167 | if (mKdTree)
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168 | mKdTree->setEnhancedVis(mEnhancedVisiblity);
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169 | //setEnhancedVis(enh);
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170 | return true;
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171 | }
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172 | else if (strKey == "BuildMethod")
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173 | {
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174 | KdTree::BuildMethod bm = *static_cast<const KdTree::BuildMethod *>(pValue);
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175 | if (bm == KdTree::KDBM_RECURSIVE || bm == KdTree::KDBM_PRIORITYQUEUE)
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176 | {
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177 | mBuildMethod = bm;
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178 | return true;
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179 | }
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180 | else
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181 | {
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182 | return false;
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183 | }
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184 | }
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185 | else if (strKey == "RenderMethod")
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186 | {
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187 | KdTree::RenderMethod rm = *static_cast<const KdTree::RenderMethod *>(pValue);
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188 | if (rm == KdTree::KDRM_INTERNAL)
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189 | {
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190 | mRenderMethod = rm;
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191 | return true;
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192 | }
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193 | else if (rm == KdTree::KDRM_GTP_VFC)
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194 | {
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195 | mRenderMethod = rm;
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196 | int cmt = GtpVisibility::VisibilityEnvironment::FRUSTUM_CULLING;
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197 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface)
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198 | .setOption("Algorithm", &cmt);
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199 | }
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200 | else if (rm == KdTree::KDRM_GTP_SWC)
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201 | {
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202 | mRenderMethod = rm;
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203 | int cmt = GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING;
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204 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface)
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205 | .setOption("Algorithm", &cmt);
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206 | }
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207 | else if (rm == KdTree::KDRM_GTP_CHC)
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208 | {
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209 | mRenderMethod = rm;
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210 | int cmt = GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING;
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211 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface)
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212 | .setOption("Algorithm", &cmt);
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213 | }
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214 | else
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215 | {
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216 | return false;
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217 | }
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218 | }
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219 | // little hack in case someone uses "Algorithm" option from VisOptMan directly
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220 | else if (strKey == "Algorithm")
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221 | {
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222 | bool success = VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface)
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223 | .setOption(strKey, pValue);
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224 | // change setting only if change in VisOptMan was successful
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225 | if (success)
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226 | {
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227 | int val = *static_cast<const int *>(pValue);
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228 | if (val == GtpVisibility::VisibilityEnvironment::FRUSTUM_CULLING)
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229 | mRenderMethod = KdTree::KDRM_GTP_VFC;
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230 | else if (val == GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING)
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231 | mRenderMethod = KdTree::KDRM_GTP_SWC;
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232 | else if (val == GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING)
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233 | mRenderMethod = KdTree::KDRM_GTP_CHC;
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234 | // default, should never happen
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235 | else
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236 | mRenderMethod = KdTree::KDRM_INTERNAL;
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237 | }
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238 | else
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239 | {
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240 | mRenderMethod = KdTree::KDRM_INTERNAL;
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241 | }
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242 | return success;
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243 | }
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244 | else if (strKey == "ShowKdTree")
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245 | {
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246 | bool sk = *static_cast<const bool *>(pValue);
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247 | mShowBoxes = sk;
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248 | return true;
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249 | }
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250 | else if (strKey == "HiLiteLevel")
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251 | {
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252 | int hl = *static_cast<const int *>(pValue);
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253 | if (hl >= 0 && hl <= mMaxDepth)
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254 | {
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255 | mHiLiteLevel = hl;
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256 | if (mKdTree)
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257 | mKdTree->setHiLiteLevel(mHiLiteLevel);
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258 | return true;
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259 | }
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260 | else
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261 | {
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262 | return false;
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263 | }
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264 | }
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265 | else if (strKey == "ShowAllBoxes")
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266 | {
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267 | bool sa = *static_cast<const bool *>(pValue);
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268 | mShowAllBoxes = sa;
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269 | if (mKdTree)
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270 | mKdTree->setShowAllBoxes(mShowAllBoxes);
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271 | return true;
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272 | }
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273 | else if (strKey == "ShowNodes")
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274 | {
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275 | bool sn = *static_cast<const bool *>(pValue);
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276 | mShowNodes = sn;
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277 | if (mKdTree)
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278 | mKdTree->setShowNodes(mShowNodes);
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279 | return true;
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280 | }
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281 | // options for CHC
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282 | else if (strKey == "UseDepthPass")
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283 | {
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284 | mUseDepthPass = (*static_cast<const bool *>(pValue));
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285 | return true;
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286 | }
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287 | else if (strKey == "PrepareVisualization")
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288 | {
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289 | mShowVisualization = (*static_cast<const bool *>(pValue));
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290 | return true;
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291 | }
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292 | else if (strKey == "RenderNodesForViz")
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293 | {
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294 | mRenderNodesForViz = (*static_cast<const bool *>(pValue));
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295 | return true;
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296 | }
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297 | else if (strKey == "RenderNodesContentForViz")
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298 | {
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299 | mRenderNodesContentForViz = (*static_cast<const bool *>(pValue));
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300 | return true;
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301 | }
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302 | else if (strKey == "SkyBoxEnabled")
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303 | {
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304 | mSkyBoxEnabled = (*static_cast<const bool *>(pValue));
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305 | return true;
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306 | }
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307 | else if (strKey == "SkyPlaneEnabled")
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308 | {
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309 | mSkyPlaneEnabled = (*static_cast<const bool *>(pValue));
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310 | return true;
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311 | }
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312 | else if (strKey == "SkyDomeEnabled")
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313 | {
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314 | mSkyDomeEnabled = (*static_cast<const bool *>(pValue));
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315 | return true;
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316 | }
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317 | else if (strKey == "VisualizeCulledNodes")
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318 | {
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319 | mVisualizeCulledNodes = (*static_cast<const bool *>(pValue));
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320 | return true;
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321 | }
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322 | else if (strKey == "DelayRenderTransparents")
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323 | {
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324 | mDelayRenderTransparents = (*static_cast<const bool *>(pValue));
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325 | return true;
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326 | }
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327 |
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328 | else if (strKey == "DepthWrite")
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329 | {
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330 | mEnableDepthWrite = (*static_cast<const bool *>(pValue));
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331 | return true;
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332 | }
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333 | else if (strKey == "UseItemBuffer")
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334 | {
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335 | mUseItemBuffer = (*static_cast<const bool *>(pValue));
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336 | return true;
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337 | }
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338 | else if (strKey == "ExecuteVertexProgramForAllPasses")
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339 | {
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340 | mExecuteVertexProgramForAllPasses = (*static_cast<const bool *>(pValue));
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341 | return true;
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342 | }
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343 | else if (strKey == "RenderTransparentsForItemBuffer")
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344 | {
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345 | mRenderTransparentsForItemBuffer = (*static_cast<const bool *>(pValue));
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346 | return true;
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347 | }
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348 | else if (strKey == "DeleteRenderQueue")
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349 | {
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350 | mDeleteQueueAfterRendering = (*static_cast<const bool *>(pValue));
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351 | return true;
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352 | }
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353 | // options for viewcells
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354 | else if (strKey == "LoadViewCells")
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355 | {
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356 | if (!mViewCellsLoaded)
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357 | {
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358 | String filename(static_cast<const char *>(pValue));
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359 | mViewCellsLoaded = LoadViewCells(filename);
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360 | }
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361 |
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362 | return mViewCellsLoaded;
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363 | }
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364 | else if (strKey == "UseViewCells")
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365 | {
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366 | if (mViewCellsLoaded)
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367 | {
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368 | mUseViewCells = *static_cast<const bool *>(pValue);
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369 |
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370 | // reset view cell
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371 | OGRE_DELETE(mCurrentViewCell);
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372 |
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373 | if (mUseViewCells)
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374 | mCurrentViewCell = mViewCellsManager->GenerateViewCell();
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375 |
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376 | mElementaryViewCell = NULL;
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377 |
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378 | // if using view cells, all objects are set to false initially
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379 | SetObjectsVisible(!mUseViewCells);
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380 |
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381 | return true;
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382 | }
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383 | else
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384 | {
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385 | return false;
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386 | }
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387 |
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388 | }
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389 | else if (strKey == "UseVisibilityFilter")
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390 | {
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391 | if (mViewCellsLoaded)
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392 | {
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393 | mUseVisibilityFilter = *static_cast<const bool *>(pValue);
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394 | // set null =>recomputation of the pvs
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395 | mElementaryViewCell = NULL;
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396 | return true;
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397 | }
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398 | else
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399 | {
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400 | return false;
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401 | }
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402 | }
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403 |
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404 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface)
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405 | .setOption(strKey, pValue) || SceneManager::setOption(strKey, pValue);
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406 | }
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407 |
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408 | bool KdTreeSceneManager::getOption(const String& strKey, void* pDestValue)
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409 | {
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410 | if (strKey == "KdTreeMaxDepth")
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411 | {
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412 | *static_cast<int *>(pDestValue) = mMaxDepth;
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413 | return true;
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414 | }
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415 | else if (strKey == "KT")
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416 | {
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417 | *static_cast<Real *>(pDestValue) = PlaneEvent::KT;
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418 | return true;
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419 | }
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420 | else if (strKey == "KI")
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421 | {
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422 | *static_cast<Real *>(pDestValue) = PlaneEvent::KI;
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423 | return true;
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424 | }
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425 | else if (strKey == "EnhancedVisibility")
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426 | {
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427 | if (mKdTree)
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428 | *static_cast<bool *>(pDestValue) = mKdTree->getEnhancedVis();
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429 | else
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430 | *static_cast<bool *>(pDestValue) = mEnhancedVisiblity;
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431 | return true;
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432 | }
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433 | else if (strKey == "BuildMethod")
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434 | {
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435 | *static_cast<KdTree::BuildMethod *>(pDestValue) = mBuildMethod;
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436 | return true;
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437 | }
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438 | else if (strKey == "RenderMethod")
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439 | {
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440 | *static_cast<KdTree::RenderMethod *>(pDestValue) = mRenderMethod;
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441 | return true;
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442 | }
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443 | else if (strKey == "ShowKdTree")
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444 | {
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445 | *static_cast<bool *>(pDestValue) = mShowBoxes;
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446 | return true;
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447 | }
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448 | else if (strKey == "HiLiteLevel")
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449 | {
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450 | *static_cast<int *>(pDestValue) = mHiLiteLevel;
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451 | return true;
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452 | }
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453 | else if (strKey == "ShowAllBoxes")
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454 | {
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455 | *static_cast<bool *>(pDestValue) = mShowAllBoxes;
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456 | return true;
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457 | }
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458 | else if (strKey == "ShowNodes")
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459 | {
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460 | *static_cast<bool *>(pDestValue) = mShowNodes;
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461 | return true;
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462 | }
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463 | // vis options
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464 | else if (strKey == "NumFrustumCulledNodes")
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465 | {
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466 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
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467 | {
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468 | unsigned int numnodes = 0;
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469 | if (mKdTree)
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470 | numnodes = mKdTree->getFramesStats().mFrustumCulledNodes;
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471 |
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472 | * static_cast<unsigned int *>(pDestValue) = (unsigned int)numnodes;
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473 | return true;
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474 | }
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475 | // otherwise let fall through to VisibilityOptionsManager
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476 | }
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477 | else if (strKey == "NumQueryCulledNodes")
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478 | {
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479 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
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480 | {
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481 | * static_cast<unsigned int *>(pDestValue) = 0;
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482 | return true;
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483 | }
|
---|
484 | // otherwise let fall through to VisibilityOptionsManager
|
---|
485 | }
|
---|
486 | else if (strKey == "NumHierarchyNodes")
|
---|
487 | {
|
---|
488 | unsigned int numnodes = 0;
|
---|
489 | if (mKdTree)
|
---|
490 | numnodes = mKdTree->getTreeStats().mNumNodes;
|
---|
491 |
|
---|
492 | * static_cast<unsigned int *>(pDestValue) = (unsigned int)numnodes;
|
---|
493 | return true;
|
---|
494 | }
|
---|
495 | else if (strKey == "NumRenderedNodes")
|
---|
496 | {
|
---|
497 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
498 | {
|
---|
499 | unsigned int numnodes = 0;
|
---|
500 | if (mKdTree)
|
---|
501 | numnodes = mKdTree->getFramesStats().mRenderedNodes;
|
---|
502 |
|
---|
503 | * static_cast<unsigned int *>(pDestValue) = (unsigned int)numnodes;
|
---|
504 | return true;
|
---|
505 | }
|
---|
506 | // otherwise let fall through to VisibilityOptionsManager
|
---|
507 | }
|
---|
508 | else if (strKey == "NumQueriesIssued")
|
---|
509 | {
|
---|
510 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
511 | {
|
---|
512 | * static_cast<unsigned int *>(pDestValue) = 0;
|
---|
513 | return true;
|
---|
514 | }
|
---|
515 | // otherwise let fall through to VisibilityOptionsManager
|
---|
516 | }
|
---|
517 | else if (strKey == "NumTraversedNodes")
|
---|
518 | {
|
---|
519 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
520 | {
|
---|
521 | unsigned int numnodes = 0;
|
---|
522 | if (mKdTree)
|
---|
523 | numnodes = mKdTree->getFramesStats().mTraversedNodes;
|
---|
524 |
|
---|
525 | * static_cast<unsigned int *>(pDestValue) = (unsigned int)numnodes;
|
---|
526 | return true;
|
---|
527 | }
|
---|
528 | // otherwise let fall through to VisibilityOptionsManager
|
---|
529 | }
|
---|
530 | else if (strKey == "VisibilityManager")
|
---|
531 | {
|
---|
532 | * static_cast<GtpVisibility::VisibilityManager **>(pDestValue) =
|
---|
533 | (GtpVisibility::VisibilityManager *)mVisibilityManager;
|
---|
534 | return true;
|
---|
535 | }
|
---|
536 | else if (strKey == "HierarchInterface")
|
---|
537 | {
|
---|
538 | * static_cast<GtpVisibility::HierarchyInterface **>(pDestValue) =
|
---|
539 | (GtpVisibility::HierarchyInterface *)mHierarchyInterface;
|
---|
540 | return true;
|
---|
541 | }
|
---|
542 | // view cell options
|
---|
543 |
|
---|
544 | else if (strKey == "UseViewCells")
|
---|
545 | {
|
---|
546 | *static_cast<bool *>(pDestValue) = mUseViewCells;
|
---|
547 | return mViewCellsLoaded;
|
---|
548 | }
|
---|
549 | else if (strKey == "UseVisibilityFilter")
|
---|
550 | {
|
---|
551 | *static_cast<bool *>(pDestValue) = mUseVisibilityFilter;
|
---|
552 | return mViewCellsLoaded;
|
---|
553 | }
|
---|
554 |
|
---|
555 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface)
|
---|
556 | .getOption(strKey, pDestValue) || SceneManager::getOption(strKey, pDestValue);
|
---|
557 | }
|
---|
558 |
|
---|
559 | bool KdTreeSceneManager::getOptionKeys(StringVector &refKeys)
|
---|
560 | {
|
---|
561 | refKeys.push_back("Algorithm");
|
---|
562 | refKeys.push_back("BuildMethod");
|
---|
563 | refKeys.push_back("DelayRenderTransparents");
|
---|
564 | refKeys.push_back("DeleteRenderQueue");
|
---|
565 | refKeys.push_back("DepthWrite");
|
---|
566 | refKeys.push_back("EnhancedVisibility");
|
---|
567 | refKeys.push_back("ExecuteVertexProgramForAllPasses");
|
---|
568 | refKeys.push_back("HiLiteLevel");
|
---|
569 | refKeys.push_back("HierarchInterface");
|
---|
570 | refKeys.push_back("KI");
|
---|
571 | refKeys.push_back("KT");
|
---|
572 | refKeys.push_back("KdTreeMaxDepth");
|
---|
573 | refKeys.push_back("LoadViewCells");
|
---|
574 | refKeys.push_back("NumHierarchyNodes");
|
---|
575 | refKeys.push_back("PrepareVisualization");
|
---|
576 | refKeys.push_back("RebuildKdTree");
|
---|
577 | refKeys.push_back("RenderMethod");
|
---|
578 | refKeys.push_back("RenderNodesContentForViz");
|
---|
579 | refKeys.push_back("RenderNodesForViz");
|
---|
580 | refKeys.push_back("RenderTransparentsForItemBuffer");
|
---|
581 | refKeys.push_back("ShowAllBoxes");
|
---|
582 | refKeys.push_back("ShowKdTree");
|
---|
583 | refKeys.push_back("ShowNodes");
|
---|
584 | refKeys.push_back("SkyBoxEnabled");
|
---|
585 | refKeys.push_back("SkyDomeEnabled");
|
---|
586 | refKeys.push_back("SkyPlaneEnabled");
|
---|
587 | refKeys.push_back("UseDepthPass");
|
---|
588 | refKeys.push_back("UseItemBuffer");
|
---|
589 | refKeys.push_back("UseViewCells");
|
---|
590 | refKeys.push_back("UseVisibilityFilter");
|
---|
591 | refKeys.push_back("VisibilityManager");
|
---|
592 | refKeys.push_back("VisualizeCulledNodes");
|
---|
593 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface)
|
---|
594 | .getOptionKeys(refKeys);
|
---|
595 | }
|
---|
596 |
|
---|
597 | bool KdTreeSceneManager::getOptionValues(const String & key, StringVector &refValueList)
|
---|
598 | {
|
---|
599 | return SceneManager::getOptionValues(key, refValueList);
|
---|
600 | }
|
---|
601 |
|
---|
602 | void KdTreeSceneManager::setVisibilityManager(GtpVisibility::VisibilityManager *visManager)
|
---|
603 | {
|
---|
604 | mVisibilityManager = visManager;
|
---|
605 | }
|
---|
606 |
|
---|
607 | GtpVisibility::VisibilityManager * KdTreeSceneManager::getVisibilityManager()
|
---|
608 | {
|
---|
609 | return mVisibilityManager;
|
---|
610 | }
|
---|
611 |
|
---|
612 | GtpVisibility::VisibilityManager * KdTreeSceneManager::GetVisibilityManager()
|
---|
613 | {
|
---|
614 | return mVisibilityManager;
|
---|
615 | }
|
---|
616 |
|
---|
617 | KdTreeHierarchyInterface * KdTreeSceneManager::GetHierarchyInterface()
|
---|
618 | {
|
---|
619 | return mHierarchyInterface;
|
---|
620 | }
|
---|
621 |
|
---|
622 | Camera* KdTreeSceneManager::createCamera(const String& name)
|
---|
623 | {
|
---|
624 | // Check name not used
|
---|
625 | if (mCameras.find(name) != mCameras.end())
|
---|
626 | {
|
---|
627 | OGRE_EXCEPT(
|
---|
628 | Exception::ERR_DUPLICATE_ITEM,
|
---|
629 | "A camera with the name " + name + " already exists",
|
---|
630 | "SceneManager::createCamera" );
|
---|
631 | }
|
---|
632 |
|
---|
633 | Camera *c = new KdTreeCamera(name, this);
|
---|
634 | mCameras.insert(CameraList::value_type(name, c));
|
---|
635 |
|
---|
636 | return c;
|
---|
637 | }
|
---|
638 |
|
---|
639 | SceneNode* KdTreeSceneManager::createSceneNode(void)
|
---|
640 | {
|
---|
641 | SceneNode* sn = new KdTreeSceneNode(this);
|
---|
642 | assert(mSceneNodes.find(sn->getName()) == mSceneNodes.end());
|
---|
643 | mSceneNodes[sn->getName()] = sn;
|
---|
644 | return sn;
|
---|
645 | }
|
---|
646 |
|
---|
647 | SceneNode* KdTreeSceneManager::createSceneNode(const String& name)
|
---|
648 | {
|
---|
649 | // Check name not used
|
---|
650 | if (mSceneNodes.find(name) != mSceneNodes.end())
|
---|
651 | {
|
---|
652 | OGRE_EXCEPT(
|
---|
653 | Exception::ERR_DUPLICATE_ITEM,
|
---|
654 | "A scene node with the name " + name + " already exists",
|
---|
655 | "KdTreeSceneManager::createSceneNode" );
|
---|
656 | }
|
---|
657 |
|
---|
658 | SceneNode* sn = new KdTreeSceneNode(this, name);
|
---|
659 | mSceneNodes[sn->getName()] = sn;
|
---|
660 | return sn;
|
---|
661 | }
|
---|
662 |
|
---|
663 | Entity * KdTreeSceneManager::createEntity(const String& entityName, const String& meshName)
|
---|
664 | {
|
---|
665 | Entity *ent = SceneManager::createEntity(entityName, meshName);
|
---|
666 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
667 | for (int i = 0; i < (int)ent->getNumSubEntities(); ++i)
|
---|
668 | {
|
---|
669 | ent->getSubEntity(i)->setId(mCurrentEntityId);
|
---|
670 | }
|
---|
671 |
|
---|
672 | // increase counter of entity id values
|
---|
673 | ++ mCurrentEntityId;
|
---|
674 | #endif
|
---|
675 | return ent;
|
---|
676 | }
|
---|
677 |
|
---|
678 | // make sure it's called only for non-empty nodes .. avoids one uneccessary funciton call
|
---|
679 | void KdTreeSceneManager::_updateNode(KdTreeSceneNode *node)
|
---|
680 | {
|
---|
681 | //LogManager::getSingleton().logMessage("### _updateNode called for " + node->getName());
|
---|
682 |
|
---|
683 | /* Rebuild kdtree when it was wiped out
|
---|
684 | * Usually this happens only before the first frame
|
---|
685 | * The initial AABB shall enclose all objects present
|
---|
686 | * in the scene at the time of construction
|
---|
687 | * TODO: find a more appropriate place for it,
|
---|
688 | * e.g., before the first render call
|
---|
689 | * teh stupid thing is I can't find any other place so far ...
|
---|
690 | */
|
---|
691 | if (!mKdTree)
|
---|
692 | {
|
---|
693 | mKdTree = new KdTree(mMaxDepth, mBuildMethod);
|
---|
694 | mKdTree->build(static_cast<KdTreeSceneNode *>(mSceneRoot));
|
---|
695 | mKdTree->setEnhancedVis(mEnhancedVisiblity);
|
---|
696 | }
|
---|
697 |
|
---|
698 | // if the node is in the tree and _updateNode was called, then the node was moved/rotated/resized/wahtever
|
---|
699 | if (node->isAttached())
|
---|
700 | {
|
---|
701 | // TEST: perfomance when adding & removing for every frame
|
---|
702 | //mKdTree->remove(node);
|
---|
703 | //mKdTree->insert(node);
|
---|
704 | }
|
---|
705 | // there's a new node in town ...
|
---|
706 | else
|
---|
707 | {
|
---|
708 | // inserting single nodes yields sub-optimal results
|
---|
709 | // rebuilding tree takes too long
|
---|
710 | // "What now?", spoke Zeus ...
|
---|
711 |
|
---|
712 | //mKdTree->insert(node);
|
---|
713 |
|
---|
714 | //delete mKdTree;
|
---|
715 | //mKdTree = new KdTree(mMaxDepth);
|
---|
716 | //mKdTree->build(static_cast<KdTreeSceneNode *>(mSceneRoot));
|
---|
717 | }
|
---|
718 |
|
---|
719 | }
|
---|
720 |
|
---|
721 | void KdTreeSceneManager::_updateSceneGraph(Camera* cam)
|
---|
722 | {
|
---|
723 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
|
---|
724 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
|
---|
725 |
|
---|
726 | SceneManager::_updateSceneGraph(cam);
|
---|
727 | }
|
---|
728 |
|
---|
729 | void KdTreeSceneManager::_findVisibleObjects(Camera *cam, bool onlyShadowCasters)
|
---|
730 | {
|
---|
731 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
732 | {
|
---|
733 | getRenderQueue()->clear(mDeleteQueueAfterRendering);
|
---|
734 | if (mShowVisualization)
|
---|
735 | {
|
---|
736 | PrepareVisualization(cam);
|
---|
737 | }
|
---|
738 | else
|
---|
739 | {
|
---|
740 | mVisibleNodes.clear();
|
---|
741 | if (mKdTree)
|
---|
742 | {
|
---|
743 | // determine visibility
|
---|
744 | mKdTree->queueVisibleObjects(KDCAMPTR_CAST(cam), getRenderQueue(), onlyShadowCasters, mShowBoxes, mVisibleNodes);
|
---|
745 | // apply view cell pvs
|
---|
746 | updatePvs(cam);
|
---|
747 | }
|
---|
748 | }
|
---|
749 | }
|
---|
750 | else
|
---|
751 | {
|
---|
752 | //-- show visible scene nodes and octree bounding boxes from last frame
|
---|
753 | if (mShowVisualization)
|
---|
754 | {
|
---|
755 | PrepareVisualization(cam);
|
---|
756 | }
|
---|
757 | else
|
---|
758 | {
|
---|
759 | // for hierarchical culling, we interleave identification
|
---|
760 | // and rendering of objects in _renderVisibibleObjects
|
---|
761 |
|
---|
762 | // for the shadow pass we use only standard rendering
|
---|
763 | // because of low occlusion
|
---|
764 | if (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
765 | mIlluminationStage == IRS_RENDER_TO_TEXTURE)
|
---|
766 | {
|
---|
767 | getRenderQueue()->clear();
|
---|
768 | if (mKdTree)
|
---|
769 | mKdTree->queueVisibleObjects(KDCAMPTR_CAST(cam), getRenderQueue(), onlyShadowCasters, mShowBoxes, mVisibleNodes);
|
---|
770 | }
|
---|
771 |
|
---|
772 | // only shadow casters will be rendered in shadow texture pass
|
---|
773 | if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
|
---|
774 |
|
---|
775 |
|
---|
776 | //-- apply view cell pvs -
|
---|
777 | updatePvs(cam);
|
---|
778 | }
|
---|
779 | mVisibleNodes.clear();
|
---|
780 | }
|
---|
781 | }
|
---|
782 |
|
---|
783 | void KdTreeSceneManager::_renderVisibleObjects()
|
---|
784 | {
|
---|
785 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
786 | {
|
---|
787 | SceneManager::_renderVisibleObjects();
|
---|
788 | }
|
---|
789 | else
|
---|
790 | {
|
---|
791 | InitDepthPass(); // create material for depth pass
|
---|
792 | InitItemBufferPass(); // create material for item buffer pass
|
---|
793 |
|
---|
794 | // save ambient light to reset later
|
---|
795 | ColourValue savedAmbient = mAmbientLight;
|
---|
796 |
|
---|
797 | //-- apply standard rendering for some modes (e.g., visualization, shadow pass)
|
---|
798 |
|
---|
799 | if (mShowVisualization ||
|
---|
800 | (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
801 | mIlluminationStage == IRS_RENDER_TO_TEXTURE))
|
---|
802 | {
|
---|
803 | IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
804 |
|
---|
805 | if (mShowVisualization)
|
---|
806 | {
|
---|
807 | // disable illumination stage to prevent rendering shadows
|
---|
808 | mIlluminationStage = IRS_NONE;
|
---|
809 | }
|
---|
810 |
|
---|
811 | // standard rendering for shadow maps because of performance
|
---|
812 | SceneManager::_renderVisibleObjects();
|
---|
813 |
|
---|
814 | mIlluminationStage = savedStage;
|
---|
815 | }
|
---|
816 | else //-- the hierarchical culling algorithm
|
---|
817 | {
|
---|
818 | // this is also called in TerrainSceneManager: really necessary?
|
---|
819 | //mDestRenderSystem -> setLightingEnabled(false);
|
---|
820 |
|
---|
821 | // don't render backgrounds for item buffer
|
---|
822 | if (mUseItemBuffer)
|
---|
823 | {
|
---|
824 | clearSpecialCaseRenderQueues();
|
---|
825 | getRenderQueue()->clear();
|
---|
826 | }
|
---|
827 |
|
---|
828 | //-- hierarchical culling
|
---|
829 |
|
---|
830 | // the objects of different layers (e.g., background, scene,
|
---|
831 | // overlay) must be identified and rendered one after another
|
---|
832 |
|
---|
833 | //-- render all early skies
|
---|
834 | clearSpecialCaseRenderQueues();
|
---|
835 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
|
---|
836 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
|
---|
837 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
|
---|
838 |
|
---|
839 | SceneManager::_renderVisibleObjects();
|
---|
840 |
|
---|
841 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
842 | // delete previously rendered content
|
---|
843 | _deleteRenderedQueueGroups();
|
---|
844 | #endif
|
---|
845 |
|
---|
846 | //-- prepare queue for visible objects (i.e., all but overlay and skies late)
|
---|
847 | clearSpecialCaseRenderQueues();
|
---|
848 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_LATE);
|
---|
849 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
|
---|
850 |
|
---|
851 | // exclude this queues from hierarchical rendering
|
---|
852 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
|
---|
853 |
|
---|
854 |
|
---|
855 | // set all necessary parameters for
|
---|
856 | // hierarchical visibility culling and rendering
|
---|
857 | InitVisibilityCulling(mCameraInProgress);
|
---|
858 |
|
---|
859 |
|
---|
860 | /**
|
---|
861 | * the hierarchical culling algorithm
|
---|
862 | * for depth pass: we just find objects and update depth buffer
|
---|
863 | * for "delayed" rendering: we render some passes afterwards
|
---|
864 | * e.g., transparents, because they need front-to-back sorting
|
---|
865 | **/
|
---|
866 |
|
---|
867 | mVisibilityManager->ApplyVisibilityCulling();
|
---|
868 |
|
---|
869 | // delete remaining renderables from queue:
|
---|
870 | // all which are not in mLeavePassesInQueue
|
---|
871 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
872 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
|
---|
873 | #endif
|
---|
874 |
|
---|
875 | //-- reset parameters
|
---|
876 | mIsDepthPassPhase = false;
|
---|
877 | mIsItemBufferPhase = false;
|
---|
878 | mSkipTransparents = false;
|
---|
879 | mIsHierarchicalCulling = false;
|
---|
880 |
|
---|
881 | mLeavePassesInQueue = 0;
|
---|
882 |
|
---|
883 | // add visible nodes found by the visibility culling algorithm
|
---|
884 | if (mUseDepthPass)
|
---|
885 | {
|
---|
886 | KdTree::NodeList::const_iterator it, end = mVisibleNodes.end();
|
---|
887 | for (it = mVisibleNodes.begin(); it != end; it++)
|
---|
888 | {
|
---|
889 | (*it)->queueVisibleObjects(mHierarchyInterface->GetFrameId(), mCameraInProgress,
|
---|
890 | getRenderQueue(), false, mShowBoxes);
|
---|
891 | }
|
---|
892 | }
|
---|
893 |
|
---|
894 | //-- now we can render all remaining queue objects
|
---|
895 | //-- used for depth pass, transparents, overlay
|
---|
896 | clearSpecialCaseRenderQueues();
|
---|
897 |
|
---|
898 | SceneManager::_renderVisibleObjects();
|
---|
899 | } // hierarchical culling
|
---|
900 |
|
---|
901 |
|
---|
902 | // reset ambient light
|
---|
903 | setAmbientLight(savedAmbient);
|
---|
904 |
|
---|
905 |
|
---|
906 | // almost same effect as below
|
---|
907 | getRenderQueue()->clear(mDeleteQueueAfterRendering);
|
---|
908 |
|
---|
909 | //if (!mDeleteQueueAfterRendering)
|
---|
910 | // getRenderQueue()->clear(true); // finally clear render queue
|
---|
911 | //else
|
---|
912 | // OGRE_DELETE(mRenderQueue); // HACK: should rather only be cleared ...
|
---|
913 |
|
---|
914 | if (0) WriteLog(); // write out stats
|
---|
915 | }
|
---|
916 | }
|
---|
917 |
|
---|
918 |
|
---|
919 | void KdTreeSceneManager::_renderNode(KdTree::NodePtr node, Camera * cam,
|
---|
920 | bool onlyShadowCasters, int leavePassesInQueue)
|
---|
921 | {
|
---|
922 | RenderQueueGroup *currentGroup =
|
---|
923 | getRenderQueue()->getQueueGroup(getRenderQueue()->getDefaultQueueGroup());
|
---|
924 | currentGroup->clear(leavePassesInQueue);
|
---|
925 |
|
---|
926 | node->queueVisibleObjects(mHierarchyInterface->GetFrameId(), cam, getRenderQueue(),
|
---|
927 | onlyShadowCasters, mShowBoxes);
|
---|
928 | mVisibleNodes.push_back(node);
|
---|
929 |
|
---|
930 | _renderQueueGroupObjects(currentGroup, QueuedRenderableCollection::OM_PASS_GROUP);
|
---|
931 | }
|
---|
932 |
|
---|
933 | //-----------------------------------------------------------------------
|
---|
934 | const Pass *KdTreeSceneManager::_setPass(const Pass* pass, bool evenIfSuppressed)
|
---|
935 | {
|
---|
936 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
937 | {
|
---|
938 | return SceneManager::_setPass(pass);
|
---|
939 | }
|
---|
940 |
|
---|
941 | // TODO: setting vertex program is not efficient
|
---|
942 | //Pass *usedPass = ((mIsDepthPassPhase && !pass->hasVertexProgram()) ? mDepthPass : pass);
|
---|
943 |
|
---|
944 | // set depth fill pass if we currently do not make an aabb occlusion query
|
---|
945 | const bool useDepthPass =
|
---|
946 | (mIsDepthPassPhase && !mHierarchyInterface->IsBoundingBoxQuery());
|
---|
947 |
|
---|
948 | const IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
949 |
|
---|
950 | // set illumination stage to NONE so no shadow material is used
|
---|
951 | // for depth pass or for occlusion query
|
---|
952 | if (mIsDepthPassPhase || mHierarchyInterface->IsBoundingBoxQuery())
|
---|
953 | {
|
---|
954 | mIlluminationStage = IRS_NONE;
|
---|
955 | }
|
---|
956 |
|
---|
957 | // --- set vertex program of current pass in order to set correct depth
|
---|
958 | if (mExecuteVertexProgramForAllPasses &&
|
---|
959 | mIsDepthPassPhase &&
|
---|
960 | pass->hasVertexProgram())
|
---|
961 | {
|
---|
962 | // add vertex program of current pass to depth pass
|
---|
963 | mDepthPass->setVertexProgram(pass->getVertexProgramName());
|
---|
964 |
|
---|
965 | if (mDepthPass->hasVertexProgram())
|
---|
966 | {
|
---|
967 | const GpuProgramPtr& prg = mDepthPass->getVertexProgram();
|
---|
968 | // Load this program if not done already
|
---|
969 | if (!prg->isLoaded())
|
---|
970 | prg->load();
|
---|
971 | // Copy params
|
---|
972 | mDepthPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
973 | }
|
---|
974 | }
|
---|
975 | else if (mDepthPass->hasVertexProgram()) // reset vertex program
|
---|
976 | {
|
---|
977 | mDepthPass->setVertexProgram("");
|
---|
978 | }
|
---|
979 |
|
---|
980 | const Pass *usedPass = useDepthPass ? mDepthPass : pass;
|
---|
981 |
|
---|
982 | // save old depth write: needed for item buffer
|
---|
983 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
|
---|
984 |
|
---|
985 | // global option which enables / disables depth writes
|
---|
986 | if (!mEnableDepthWrite)
|
---|
987 | {
|
---|
988 | // usedPass->setDepthWriteEnabled(false);
|
---|
989 | }
|
---|
990 | //else if (mIsItemBufferPass) {usedPass = mItemBufferPass;}
|
---|
991 |
|
---|
992 |
|
---|
993 | //-- set actual pass here
|
---|
994 | const Pass *result = SceneManager::_setPass(usedPass);
|
---|
995 |
|
---|
996 |
|
---|
997 | // reset depth write
|
---|
998 | if (!mEnableDepthWrite)
|
---|
999 | {
|
---|
1000 | // usedPass->setDepthWriteEnabled(IsDepthWrite);
|
---|
1001 | }
|
---|
1002 |
|
---|
1003 | // reset illumination stage
|
---|
1004 | mIlluminationStage = savedStage;
|
---|
1005 |
|
---|
1006 | return result;
|
---|
1007 | }
|
---|
1008 | //-----------------------------------------------------------------------
|
---|
1009 | void KdTreeSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1010 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1011 | {
|
---|
1012 | // Basic render loop
|
---|
1013 | // Iterate through priorities
|
---|
1014 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1015 |
|
---|
1016 | while (groupIt.hasMoreElements())
|
---|
1017 | {
|
---|
1018 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1019 |
|
---|
1020 | // Sort the queue first
|
---|
1021 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1022 |
|
---|
1023 | // Do solids
|
---|
1024 | renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1025 |
|
---|
1026 | // for correct rendering, transparents must be rendered after hierarchical culling
|
---|
1027 | // => do nothing
|
---|
1028 |
|
---|
1029 | // Do transparents (always descending)
|
---|
1030 | if (mRenderMethod == KdTree::KDRM_INTERNAL || !mSkipTransparents)
|
---|
1031 | {
|
---|
1032 | renderObjects(pPriorityGrp->getTransparents(),
|
---|
1033 | QueuedRenderableCollection::OM_SORT_DESCENDING, true);
|
---|
1034 | }
|
---|
1035 |
|
---|
1036 |
|
---|
1037 | }// for each priority
|
---|
1038 | }
|
---|
1039 | //-----------------------------------------------------------------------
|
---|
1040 | bool KdTreeSceneManager::validatePassForRendering(Pass* pass)
|
---|
1041 | {
|
---|
1042 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
1043 | {
|
---|
1044 | return SceneManager::validatePassForRendering(pass);
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | // skip all but first pass if we are doing the depth pass
|
---|
1048 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
1049 | {
|
---|
1050 | return false;
|
---|
1051 | }
|
---|
1052 | // all but first pass
|
---|
1053 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
1054 | {
|
---|
1055 | return false;
|
---|
1056 | }*/
|
---|
1057 |
|
---|
1058 | return SceneManager::validatePassForRendering(pass);
|
---|
1059 | }
|
---|
1060 | //-----------------------------------------------------------------------
|
---|
1061 | void KdTreeSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1062 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1063 | {
|
---|
1064 | if (mRenderMethod == KdTree::KDRM_INTERNAL || !mIsItemBufferPhase)
|
---|
1065 | {
|
---|
1066 | SceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
1067 | return;
|
---|
1068 | }
|
---|
1069 | #ifdef ITEM_BUFFER
|
---|
1070 | //-- item buffer
|
---|
1071 | //-- item buffer: render objects using false colors
|
---|
1072 |
|
---|
1073 | // Iterate through priorities
|
---|
1074 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1075 |
|
---|
1076 | while (groupIt.hasMoreElements())
|
---|
1077 | {
|
---|
1078 | RenderItemBuffer(groupIt.getNext());
|
---|
1079 | }
|
---|
1080 | #endif // ITEM_BUFFER
|
---|
1081 | }
|
---|
1082 | //-----------------------------------------------------------------------
|
---|
1083 | void KdTreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
1084 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1085 | {
|
---|
1086 | // only render solid passes during hierarchical culling
|
---|
1087 | if (mIsHierarchicalCulling)
|
---|
1088 | {
|
---|
1089 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1090 | LightList lightList;
|
---|
1091 |
|
---|
1092 | while (groupIt.hasMoreElements())
|
---|
1093 | {
|
---|
1094 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1095 |
|
---|
1096 | // Sort the queue first
|
---|
1097 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1098 |
|
---|
1099 | // Clear light list
|
---|
1100 | lightList.clear();
|
---|
1101 |
|
---|
1102 | // Render all the ambient passes first, no light iteration, no lights
|
---|
1103 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1104 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1105 |
|
---|
1106 | SceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
1107 | // Also render any objects which have receive shadows disabled
|
---|
1108 | SceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
1109 | }
|
---|
1110 | }
|
---|
1111 | else // render the rest of the passes
|
---|
1112 | {
|
---|
1113 | SceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1114 | }
|
---|
1115 | }
|
---|
1116 | //-----------------------------------------------------------------------
|
---|
1117 | void KdTreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
1118 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1119 | {
|
---|
1120 | if (mIsHierarchicalCulling)
|
---|
1121 | {
|
---|
1122 | // Iterate through priorities
|
---|
1123 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1124 |
|
---|
1125 | while (groupIt.hasMoreElements())
|
---|
1126 | {
|
---|
1127 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1128 |
|
---|
1129 | // Sort the queue first
|
---|
1130 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1131 |
|
---|
1132 | // Do (shadowable) solids
|
---|
1133 | SceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1134 | }
|
---|
1135 | }
|
---|
1136 | else
|
---|
1137 | {
|
---|
1138 | SceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1139 | }
|
---|
1140 | }
|
---|
1141 | //-----------------------------------------------------------------------
|
---|
1142 | void KdTreeSceneManager::InitDepthPass()
|
---|
1143 | {
|
---|
1144 | MaterialPtr depthMat = MaterialManager::getSingleton().getByName("Visibility/DepthPass");
|
---|
1145 |
|
---|
1146 | if (depthMat.isNull())
|
---|
1147 | {
|
---|
1148 | depthMat = MaterialManager::getSingleton().create(
|
---|
1149 | "Visibility/DepthPass",
|
---|
1150 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
|
---|
1151 |
|
---|
1152 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
|
---|
1153 | mDepthPass->setColourWriteEnabled(false);
|
---|
1154 | mDepthPass->setDepthWriteEnabled(true);
|
---|
1155 | mDepthPass->setLightingEnabled(false);
|
---|
1156 | }
|
---|
1157 | else
|
---|
1158 | {
|
---|
1159 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
|
---|
1160 | }
|
---|
1161 | }
|
---|
1162 | //-----------------------------------------------------------------------
|
---|
1163 | void KdTreeSceneManager::InitItemBufferPass()
|
---|
1164 | {
|
---|
1165 | MaterialPtr itemBufferMat = MaterialManager::getSingleton().
|
---|
1166 | getByName("Visibility/ItemBufferPass");
|
---|
1167 |
|
---|
1168 | if (itemBufferMat.isNull())
|
---|
1169 | {
|
---|
1170 | // Init
|
---|
1171 | itemBufferMat = MaterialManager::getSingleton().create("Visibility/ItemBufferPass",
|
---|
1172 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
|
---|
1173 |
|
---|
1174 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
|
---|
1175 | mItemBufferPass->setColourWriteEnabled(true);
|
---|
1176 | mItemBufferPass->setDepthWriteEnabled(true);
|
---|
1177 | mItemBufferPass->setLightingEnabled(true);
|
---|
1178 | //mItemBufferPass->setLightingEnabled(false);
|
---|
1179 | }
|
---|
1180 | else
|
---|
1181 | {
|
---|
1182 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
|
---|
1183 | }
|
---|
1184 | //mItemBufferPass->setAmbient(1, 1, 0);
|
---|
1185 | }
|
---|
1186 | //-----------------------------------------------------------------------
|
---|
1187 | void KdTreeSceneManager::PrepareVisualization(Camera *cam)
|
---|
1188 | {
|
---|
1189 | // add player camera for visualization purpose
|
---|
1190 | try
|
---|
1191 | {
|
---|
1192 | Camera *c;
|
---|
1193 | if ((c = getCamera("PlayerCam")) != NULL)
|
---|
1194 | {
|
---|
1195 | getRenderQueue()->addRenderable(c);
|
---|
1196 | }
|
---|
1197 | }
|
---|
1198 | catch (...)
|
---|
1199 | {
|
---|
1200 | // ignore
|
---|
1201 | }
|
---|
1202 |
|
---|
1203 | if (mRenderNodesForViz || mRenderNodesContentForViz)
|
---|
1204 | {
|
---|
1205 | RenderQueue * queue = getRenderQueue();
|
---|
1206 | unsigned long frameid = 0;
|
---|
1207 |
|
---|
1208 | if (mRenderMethod == KdTree::KDRM_INTERNAL)
|
---|
1209 | frameid = Root::getSingleton().getCurrentFrameNumber();
|
---|
1210 | else
|
---|
1211 | frameid = mHierarchyInterface->GetFrameId();
|
---|
1212 |
|
---|
1213 | for (KdTree::NodeList::iterator it = mVisibleNodes.begin(); it != mVisibleNodes.end(); ++it)
|
---|
1214 | {
|
---|
1215 | if (mRenderNodesForViz && (*it)->isLeaf())
|
---|
1216 | {
|
---|
1217 | WireBoundingBox * wirebox = (*it)->getWireBoundingBox();
|
---|
1218 | wirebox->setMaterial("KdTree/BoxViz");
|
---|
1219 | getRenderQueue()->addRenderable(wirebox);
|
---|
1220 | }
|
---|
1221 | // add renderables itself
|
---|
1222 | if (mRenderNodesContentForViz)
|
---|
1223 | {
|
---|
1224 | (*it)->queueVisibleObjects(frameid, cam, queue, false, false);
|
---|
1225 | }
|
---|
1226 | }
|
---|
1227 | }
|
---|
1228 | }
|
---|
1229 | //-----------------------------------------------------------------------
|
---|
1230 | void KdTreeSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
1231 | {
|
---|
1232 | // reset culling manager stats
|
---|
1233 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
1234 |
|
---|
1235 | // set depth pass flag before rendering
|
---|
1236 | mIsDepthPassPhase = mUseDepthPass;
|
---|
1237 |
|
---|
1238 | mIsHierarchicalCulling = true; // during hierarchical culling
|
---|
1239 |
|
---|
1240 | // item buffer needs full ambient lighting to use item colors as unique id
|
---|
1241 | if (mUseItemBuffer)
|
---|
1242 | {
|
---|
1243 | mIsItemBufferPhase = true;
|
---|
1244 | setAmbientLight(ColourValue(1,1,1,1));
|
---|
1245 | }
|
---|
1246 |
|
---|
1247 |
|
---|
1248 | // set passes which are stored in render queue
|
---|
1249 | // for rendering AFTER hierarchical culling, i.e., passes which need
|
---|
1250 | // a special rendering order
|
---|
1251 |
|
---|
1252 | mLeavePassesInQueue = 0;
|
---|
1253 |
|
---|
1254 | // if we have the depth pass or use an item buffer, no passes are left in the queue
|
---|
1255 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
1256 | {
|
---|
1257 | if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)
|
---|
1258 | {
|
---|
1259 | // TODO: remove this pass because it should be processed during hierarchical culling
|
---|
1260 | //mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1261 |
|
---|
1262 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DECAL;
|
---|
1263 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DIFFUSE_SPECULAR;
|
---|
1264 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1265 |
|
---|
1266 | // just render ambient passes
|
---|
1267 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1268 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1269 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
1270 | }
|
---|
1271 |
|
---|
1272 | if (mShadowTechnique == SHADOWTYPE_STENCIL_MODULATIVE)
|
---|
1273 | {
|
---|
1274 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1275 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1276 | }
|
---|
1277 |
|
---|
1278 | // transparents should be rendered after hierarchical culling to
|
---|
1279 | // provide front-to-back ordering
|
---|
1280 | if (mDelayRenderTransparents)
|
---|
1281 | {
|
---|
1282 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1283 | }
|
---|
1284 | }
|
---|
1285 |
|
---|
1286 | // skip rendering transparents during the hierarchical culling
|
---|
1287 | // (because they will be rendered afterwards)
|
---|
1288 | mSkipTransparents =
|
---|
1289 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
1290 |
|
---|
1291 | // -- initialise interface for rendering traversal of the hierarchy
|
---|
1292 | mHierarchyInterface->SetHierarchyRoot(mKdTree->getRoot());
|
---|
1293 |
|
---|
1294 | // possible two cameras (one for culling, one for rendering)
|
---|
1295 | mHierarchyInterface->InitTraversal(mCameraInProgress,
|
---|
1296 | /*mCullCamera ? getCamera("CullCamera") : */NULL,
|
---|
1297 | mLeavePassesInQueue);
|
---|
1298 |
|
---|
1299 | }
|
---|
1300 |
|
---|
1301 | //-------------------------------------------------------------------------
|
---|
1302 | void KdTreeSceneManager::SetObjectsVisible(const bool visible)
|
---|
1303 | {
|
---|
1304 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
1305 |
|
---|
1306 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
1307 | {
|
---|
1308 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(*it);
|
---|
1309 | Entity *ent = omi->GetEntity();
|
---|
1310 |
|
---|
1311 | ent->setVisible(visible);
|
---|
1312 | }
|
---|
1313 | }
|
---|
1314 | //-----------------------------------------------------------------------
|
---|
1315 | bool KdTreeSceneManager::LoadViewCells(const String &filename)
|
---|
1316 | {
|
---|
1317 | // objects are set to invisible initially
|
---|
1318 | SetObjectsVisible(false);
|
---|
1319 |
|
---|
1320 | const string bboxesFilename = mVisibilityManager->GetVisibilityEnvironment()->getViewCellsFileName();
|
---|
1321 |
|
---|
1322 | // converter between view cell ids and Ogre entites
|
---|
1323 | GtpVisibilityPreprocessor::IndexedBoundingBoxContainer iboxes;
|
---|
1324 | KdTreeBoundingBoxConverter bconverter(this);
|
---|
1325 |
|
---|
1326 | // load the view cells assigning the found objects to the pvss
|
---|
1327 | mViewCellsManager =
|
---|
1328 | GtpVisibilityPreprocessor::ViewCellsManager::
|
---|
1329 | LoadViewCells(filename, mObjects, false, &bconverter);
|
---|
1330 |
|
---|
1331 | return (mViewCellsManager != NULL);
|
---|
1332 | }
|
---|
1333 | //-------------------------------------------------------------------------
|
---|
1334 | void KdTreeSceneManager::applyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
1335 | const bool load)
|
---|
1336 | {
|
---|
1337 | if (!vc)
|
---|
1338 | {
|
---|
1339 | // set everything visible for savety
|
---|
1340 |
|
---|
1341 | // NOTE: should not happen, rather apply view cell
|
---|
1342 | // representing unbounded space then
|
---|
1343 | SetObjectsVisible(true);
|
---|
1344 |
|
---|
1345 | return;
|
---|
1346 | }
|
---|
1347 |
|
---|
1348 | //////////
|
---|
1349 | //-- set PVS of view cell visible
|
---|
1350 |
|
---|
1351 | GtpVisibilityPreprocessor::ObjectPvsIterator pit = vc->GetPvs().GetIterator();
|
---|
1352 |
|
---|
1353 | while (pit.HasMoreEntries())
|
---|
1354 | {
|
---|
1355 | GtpVisibilityPreprocessor::Intersectable *entry = pit.Next();
|
---|
1356 |
|
---|
1357 | if (entry)
|
---|
1358 | {
|
---|
1359 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(entry);
|
---|
1360 | omi->GetEntity()->setVisible(load);
|
---|
1361 | }
|
---|
1362 | }
|
---|
1363 | }
|
---|
1364 | //-------------------------------------------------------------------------
|
---|
1365 | void KdTreeSceneManager::updatePvs(Camera *cam)
|
---|
1366 | {
|
---|
1367 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
1368 | return;
|
---|
1369 |
|
---|
1370 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
1371 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
1372 |
|
---|
1373 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
1374 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
1375 |
|
---|
1376 | // elementary view cell did not change => apply same pvs
|
---|
1377 | if (mElementaryViewCell == newElementary)
|
---|
1378 | return;
|
---|
1379 |
|
---|
1380 | mElementaryViewCell = newElementary;
|
---|
1381 | //LogManager::getSingleton().logMessage("unloading");
|
---|
1382 | //-- unload old pvs
|
---|
1383 | applyViewCellPvs(mCurrentViewCell, false);
|
---|
1384 |
|
---|
1385 |
|
---|
1386 | //-- the new view cell
|
---|
1387 |
|
---|
1388 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
1389 |
|
---|
1390 |
|
---|
1391 | if (mUseVisibilityFilter)
|
---|
1392 | {
|
---|
1393 | //-- compute new filtered cell
|
---|
1394 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
1395 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
1396 | viewCell = prvs.mViewCell;
|
---|
1397 | }
|
---|
1398 | else
|
---|
1399 | {
|
---|
1400 | viewCell = newElementary;
|
---|
1401 | }
|
---|
1402 | //LogManager::getSingleton().logMessage("loading");
|
---|
1403 | //-- load new pvs
|
---|
1404 | applyViewCellPvs(viewCell, true);
|
---|
1405 |
|
---|
1406 | // store pvs
|
---|
1407 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
1408 |
|
---|
1409 | // delete merge tree of filtered view cell
|
---|
1410 | if (mUseVisibilityFilter)
|
---|
1411 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
1412 | }
|
---|
1413 |
|
---|
1414 | //-----------------------------------------------------------------------
|
---|
1415 | void KdTreeSceneManager::WriteLog()
|
---|
1416 | {
|
---|
1417 | std::stringstream d;
|
---|
1418 |
|
---|
1419 | d << "Depth pass: " << StringConverter::toString(mUseDepthPass) << ", "
|
---|
1420 | << "Delay transparents: " << StringConverter::toString(mDelayRenderTransparents) << ", "
|
---|
1421 | << "Use optimization: " << StringConverter::toString(mHierarchyInterface->GetTestGeometryForVisibleLeaves()) << ", "
|
---|
1422 | << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
|
---|
1423 | << "Hierarchy nodes: " << (mKdTree ? mKdTree->getTreeStats().mNumNodes : 0) << ", "
|
---|
1424 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
|
---|
1425 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
|
---|
1426 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
|
---|
1427 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
|
---|
1428 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
1429 | << "Found objects: " << (int)mVisibleNodes.size() << "\n"
|
---|
1430 | ;
|
---|
1431 |
|
---|
1432 | LogManager::getSingleton().logMessage(d.str());
|
---|
1433 | }
|
---|
1434 |
|
---|
1435 | /************************************************************************/
|
---|
1436 | /* Factory for KdTreeSceneManager */
|
---|
1437 | /************************************************************************/
|
---|
1438 | //-----------------------------------------------------------------------
|
---|
1439 | //-----------------------------------------------------------------------
|
---|
1440 | const String KdTreeSceneManagerFactory::FACTORY_TYPE_NAME = "KdTreeSceneManager";
|
---|
1441 | //-----------------------------------------------------------------------
|
---|
1442 | void KdTreeSceneManagerFactory::initMetaData(void) const
|
---|
1443 | {
|
---|
1444 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
1445 | mMetaData.description = "Scene manager that organises the scene based on a kd-tree";
|
---|
1446 | mMetaData.sceneTypeMask = 0xFFFF; // support all types of scenes (hopefully)
|
---|
1447 | mMetaData.worldGeometrySupported = false;
|
---|
1448 | }
|
---|
1449 | //-----------------------------------------------------------------------
|
---|
1450 | SceneManager* KdTreeSceneManagerFactory::createInstance(
|
---|
1451 | const String& instanceName)
|
---|
1452 | {
|
---|
1453 | return new KdTreeSceneManager(instanceName, visManager);
|
---|
1454 | }
|
---|
1455 | //-----------------------------------------------------------------------
|
---|
1456 | void KdTreeSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
1457 | {
|
---|
1458 | delete instance;
|
---|
1459 | }
|
---|
1460 |
|
---|
1461 | } // namespace Ogre
|
---|
1462 |
|
---|