1 | #include "TestKdTree.h"
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2 |
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3 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
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4 | #define WIN32_LEAN_AND_MEAN
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5 | #include "windows.h"
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6 | #endif
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7 |
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8 | #ifdef __cplusplus
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9 | extern "C" {
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10 | #endif
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11 |
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12 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
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13 | INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
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14 | #else
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15 | int main(int argc, char *argv[])
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16 | #endif
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17 | {
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18 | // Create application object
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19 | KdTreeApp app;
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20 |
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21 | SET_TERM_HANDLER;
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22 |
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23 | // init random number generator
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24 | // srand(time(0));
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25 |
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26 | try {
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27 | app.go();
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28 | } catch( Ogre::Exception& e ) {
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29 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
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30 | MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
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31 | #else
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32 | std::cerr << "An exception has occured: " <<
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33 | e.getFullDescription().c_str() << std::endl;
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34 | #endif
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35 | }
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36 |
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37 | return 0;
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38 | }
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39 |
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40 | #ifdef __cplusplus
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41 | }
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42 | #endif
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43 |
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44 | #define ENT_GRID 0x01
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45 | #define ENT_RND 0x02
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46 | #define ENT_SPC 0x04
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47 | #define ENT_MOV 0x08
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48 | #define ENT_PLN 0x10
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49 |
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50 | void KdTreeApp::setupResources(void)
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51 | {
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52 | String tmp;
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53 | ConfigFile cfDeath;
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54 | char *errptr;
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55 | int base = 10;
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56 |
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57 | cfDeath.load("testKdTree.cfg");
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58 |
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59 | mSelectedSceneManager = cfDeath.getSetting("scenemanager");
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60 | mSceneFiles = cfDeath.getSetting("scene");
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61 |
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62 | tmp = cfDeath.getSetting("shadows");
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63 | StringUtil::toLowerCase(tmp);
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64 | if (tmp == "on")
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65 | mShadowsEnabled = true;
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66 | else
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67 | mShadowsEnabled = false;
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68 |
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69 |
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70 | tmp = cfDeath.getSetting("planedim");
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71 | mPlaneDim = static_cast<Real>(strtod(tmp.c_str(), &errptr));
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72 |
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73 | tmp = cfDeath.getSetting("randomcount");
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74 | mRandomCount = static_cast<int>(strtol(tmp.c_str(), &errptr, base));
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75 |
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76 | tmp = cfDeath.getSetting("selectentities");
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77 | mSelectEntities = static_cast<int>(strtol(tmp.c_str(), &errptr, base));
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78 |
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79 | tmp = cfDeath.getSetting("count");
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80 | mModelCount = static_cast<int>(strtol(tmp.c_str(), &errptr, base));
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81 |
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82 | tmp = cfDeath.getSetting("spacing");
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83 | mModelSpacing = static_cast<int>(strtol(tmp.c_str(), &errptr, base));
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84 |
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85 | tmp = cfDeath.getSetting("radius");
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86 | mRotationRadius = static_cast<Real>(strtod(tmp.c_str(), &errptr));
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87 |
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88 | tmp = cfDeath.getSetting("period");
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89 | mRotationPeriod = static_cast<Real>(strtod(tmp.c_str(), &errptr));
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90 |
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91 | tmp = cfDeath.getSetting("movespeed");
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92 | mMoveSpeed = static_cast<Real>(strtod(tmp.c_str(), &errptr));
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93 |
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94 | tmp = cfDeath.getSetting("rotatespeed");
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95 | mRotateSpeed = static_cast<Real>(strtod(tmp.c_str(), &errptr));
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96 |
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97 | ExampleApplication::setupResources();
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98 | }
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99 |
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100 |
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101 | void KdTreeApp::createScene(void)
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102 | {
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103 | Entity *deaths;
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104 | SceneNode *nodes;
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105 | std::string entName = "death";
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106 | std::string nodeName = "DeathNode";
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107 | int i, j, x, z;
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108 | Real planeHalf = mPlaneDim / 2;
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109 | Real planeThreeEights = mPlaneDim * 3 / 8;
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110 | Real planeSixth = mPlaneDim / 6;
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111 |
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112 | // load scene from file
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113 | if (mSceneFiles != "")
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114 | {
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115 | // don't load the other stuff
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116 | loadScene(mSceneFiles);
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117 | //mCamera->setPosition(Vector3(830, 300, -540));
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118 | //mCamera->setOrientation(Quaternion(-0.3486, 0.0122, 0.9365, 0.0329));
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119 | // total view
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120 | //mCamera->setPosition(Vector3(688, 866, 944));
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121 | //mCamera->setOrientation(Quaternion(-0.979419, 0.201128, 0.0165594, 0.00340038));
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122 | mTopCam->setPosition(Vector3(1232, 3990, -1477));
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123 | // walkthrough view
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124 | mCamNode->setPosition(Vector3(1102.56, 181.845, -350.305));
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125 | //mCamNode->setOrientation(Quaternion(-0.977321, -0.117497, -0.174903, 0.0210273));
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126 |
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127 | mSceneMgr->setSkyBox(true, "Examples/CloudyNoonSkyBox", 5000, true);
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128 | }
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129 | else
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130 | {
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131 | mCamNode->setPosition(Vector3(1280,600,1666));
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132 | mCamNode->setOrientation(Quaternion(0.936893, -0.124586, 0.323813, 0.04306));
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133 | //mCamera->lookAt(Vector3(-20,30,10));
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134 |
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135 | SceneNode *anchor = mSceneMgr->getRootSceneNode()->createChildSceneNode("AnchorNode");
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136 | //SceneNode *grndan = anchor->createChildSceneNode("GroundAnchor");
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137 | SceneNode *grndan = mSceneMgr->getRootSceneNode();
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138 |
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139 | if (mSelectEntities & ENT_GRID)
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140 | {
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141 | for (j = 0, z = -(mModelCount / 2 * mModelSpacing); j < mModelCount; j++, z += mModelSpacing)
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142 | {
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143 | for (i = 0, x = -(mModelCount / 2 * mModelSpacing); i < mModelCount; i++, x += mModelSpacing)
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144 | {
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145 | deaths = mSceneMgr->createEntity(cat(entName, i, j).c_str(),"robot.mesh");
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146 | if (mShadowsEnabled)
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147 | deaths->setCastShadows(true);
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148 | nodes = /*mSceneMgr->getRootSceneNode()*/anchor->createChildSceneNode(cat(nodeName, i, j).c_str(), Vector3(x, 0 , z));
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149 | nodes->attachObject(deaths);
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150 | }
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151 | }
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152 | }
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153 |
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154 | if (mSelectEntities & ENT_RND)
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155 | {
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156 | entName = "randomdeath";
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157 | nodeName = "RandomDeathNode";
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158 | for (i = 0; i < mRandomCount; i++)
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159 | {
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160 | Vector3 pos(
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161 | Math::RangeRandom(-planeHalf,-planeSixth),
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162 | 0,
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163 | Math::RangeRandom(-planeThreeEights, planeThreeEights));
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164 | deaths = mSceneMgr->createEntity(cat(entName,666,i),"robot.mesh");
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165 | if (mShadowsEnabled)
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166 | deaths->setCastShadows(true);
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167 | nodes = /*mSceneMgr->getRootSceneNode()*/anchor->createChildSceneNode(cat(nodeName,666,i), pos,
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168 | Quaternion(Radian(Math::RangeRandom(-Math::PI, Math::PI)), Vector3::UNIT_Y));
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169 | nodes->attachObject(deaths);
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170 | }
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171 | }
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172 |
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173 | if (mSelectEntities & ENT_SPC)
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174 | {
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175 | entName = "randomspaceship";
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176 | nodeName = "RandomSpaceshipNode";
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177 | for (i = 0; i < mRandomCount; i++)
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178 | {
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179 | Vector3 pos(
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180 | //Math::RangeRandom(-planeHalf,-planeSixth),
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181 | Math::RangeRandom(planeSixth,planeHalf),
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182 | Math::RangeRandom(planeHalf * 0.1, planeHalf),
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183 | Math::RangeRandom(-planeThreeEights, planeThreeEights));
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184 | deaths = mSceneMgr->createEntity(cat(entName,666,i),"razor.mesh");
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185 | if (mShadowsEnabled)
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186 | deaths->setCastShadows(true);
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187 | nodes = /*mSceneMgr->getRootSceneNode()*/anchor->createChildSceneNode(cat(nodeName,666,i), pos,
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188 | Quaternion(Radian(Math::RangeRandom(-Math::PI, Math::PI)), Vector3::UNIT_Y));
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189 | nodes->attachObject(deaths);
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190 | }
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191 | }
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192 |
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193 | if (mSelectEntities & ENT_MOV)
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194 | {
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195 | Entity *movingDeath = mSceneMgr->createEntity("movingDeath","robot.mesh");
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196 | if (mShadowsEnabled)
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197 | movingDeath->setCastShadows( true );
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198 |
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199 | SceneNode *deathPivotNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("deathPivotNode");
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200 | mDeathNode = deathPivotNode->createChildSceneNode("movingNode", Vector3(0, 0, mRotationRadius)/*,
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201 | Quaternion(Radian(Math::HALF_PI), Vector3::UNIT_Y)*/);
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202 | mDeathNode->attachObject(movingDeath);
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203 |
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204 | Entity *ent_ball = mSceneMgr->createEntity("ball","sphere.mesh");
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205 | SceneNode *node_pivot = mDeathNode->createChildSceneNode("pivotNode");
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206 | SceneNode *node_ball = node_pivot->createChildSceneNode("orbitNode", Vector3(120, 40, 0));
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207 | node_ball->attachObject(ent_ball);
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208 | node_ball->scale(0.1, 0.1, 0.1);
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209 |
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210 |
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211 | mFollowCam->setAutoTracking(true, mDeathNode);
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212 | }
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213 |
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214 | if (mSelectEntities & ENT_PLN)
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215 | {
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216 | Plane ground(Vector3::UNIT_Y, 0);
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217 | MeshManager::getSingleton().createPlane("ground", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
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218 | ground, mPlaneDim * 4 / 3, mPlaneDim, 20, 20, true, 1, 20, 20, Vector3::UNIT_Z);
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219 | Entity *ent_ground = mSceneMgr->createEntity("GroundEntity", "ground");
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220 | ent_ground->setCastShadows(false);
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221 | ent_ground->setMaterialName("Examples/RustySteel");//("Examples/Rockwall");
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222 | SceneNode *node_ground = /*mSceneMgr->getRootSceneNode()*/grndan->createChildSceneNode("GroundNode", Vector3(0, 0, 0));
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223 | node_ground->attachObject(ent_ground);
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224 |
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225 | //MeshManager::getSingleton().createPlane("ground2", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
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226 | // ground, mPlaneDim/2, mPlaneDim, 10, 20, true, 1, 10, 20, Vector3::UNIT_Z);
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227 | //ent_ground = mSceneMgr->createEntity("GroundEntity2", "ground2");
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228 | //ent_ground->setCastShadows(false);
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229 | //ent_ground->setMaterialName("Examples/RustySteel");
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230 | //node_ground = /*mSceneMgr->getRootSceneNode()*/grndan->createChildSceneNode("GroundNode2", Vector3(-mPlaneDim/4, 0, 0));
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231 | //node_ground->attachObject(ent_ground);
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232 | }
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233 |
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234 | // Lights
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235 | mSceneMgr->setAmbientLight(ColourValue(0.1,0.1,0.1));
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236 | Light *light = mSceneMgr->createLight("light");
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237 | if (mShadowsEnabled)
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238 | {
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239 | mSceneMgr->setShadowTechnique(SHADOWTYPE_STENCIL_ADDITIVE);
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240 | light->setType(Light::LT_POINT);
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241 | light->setPosition(Vector3(x, 300, z + 200));
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242 | }
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243 | else
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244 | {
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245 | light->setType(Light::LT_DIRECTIONAL);
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246 | light->setDirection(-1,-1,-1);
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247 | }
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248 | light->setDiffuseColour(ColourValue());
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249 | light->setSpecularColour(ColourValue(1, 1, 0.2));
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250 |
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251 | // Skybox
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252 | mSceneMgr->setSkyBox(true, "Examples/SpaceSkyBox", mPlaneDim * 2);
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253 | }
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254 |
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255 | /* Some math tests
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256 | Plane planeX(Vector3::UNIT_X, Vector3(10,10,10));
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257 | Plane planeY(Vector3::UNIT_Y, Vector3(10,10,10));
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258 | Plane planeZ(Vector3::UNIT_Z, Vector3(10,10,10));
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259 | Vector3 vect(20,20,20);
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260 | Vector3 interX = planeX.projectVector(vect);
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261 | Vector3 interY = planeY.projectVector(vect);
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262 | Vector3 interZ = planeZ.projectVector(vect);
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263 | std::stringstream ssX, ssY, ssZ;
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264 | ssX << "The intersection of " << planeX << " and " << vect << " is at: " << interX;
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265 | ssY << "The intersection of " << planeY << " and " << vect << " is at: " << interY;
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266 | ssZ << "The intersection of " << planeZ << " and " << vect << " is at: " << interZ;
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267 | LogManager::getSingleton().logMessage(ssX.str());
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268 | LogManager::getSingleton().logMessage(ssY.str());
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269 | LogManager::getSingleton().logMessage(ssZ.str());
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270 | */
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271 | }
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272 |
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273 | void KdTreeApp::createFrameListener(void)
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274 | {
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275 | mFrameListener = new KdTreeAppListener(mWindow, mSceneMgr, mRotateSpeed, mMoveSpeed, mRotationPeriod);
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276 | mFrameListener->showDebugOverlay( true );
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277 | mRoot->addFrameListener(mFrameListener);
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278 | mWindow->addListener(new KdTreeAppRenderTargetListener(mSceneMgr));
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279 | }
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280 |
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281 | void KdTreeApp::chooseSceneManager(void)
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282 | {
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283 | // Get the SceneManager
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284 | mSceneMgr = mRoot->createSceneManager(mSelectedSceneManager,"MySceneManager");
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285 | }
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286 |
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287 | void KdTreeApp::createCamera(void)
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288 | {
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289 | // Create the camera
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290 | mCamera = mSceneMgr->createCamera("PlayerCam");
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291 | mCamera->setNearClipDistance(1);
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292 |
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293 | mCamNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("PlayerCamNode", Vector3(0,0,0));
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294 | mCamNode->attachObject(mCamera);
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295 |
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296 |
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297 | // Position it at 500 in Z direction
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298 | //mCamera->setPosition(Vector3(0,50,500));
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299 | //mCamera->setPosition(Vector3(500,256,666));
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300 | //mCamera->setPosition(Vector3(1280,600,1666));
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301 | // Look back along -Z
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302 | //mCamera->lookAt(Vector3(0,50,-300));
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303 | //mCamera->lookAt(Vector3(-20,30,10));
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304 |
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305 | //mFollowCam = mSceneMgr->createCamera("FollowCam");
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306 | //mFollowCam->setPosition(Vector3(800,150,800));
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307 | //mFollowCam->setNearClipDistance(5);
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308 | //mFollowCam->setFOVy(Angle(15));
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309 |
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310 | mTopCam = mSceneMgr->createCamera("TopCam");
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311 | mTopCam->setPosition(Vector3(0,mPlaneDim * 1.25,0));
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312 | mTopCam->setDirection(0,0,-1);
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313 | mTopCam->pitch(Radian(-Math::HALF_PI));
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314 | mTopCam->setCullingFrustum(mCamera);
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315 | mTopCam->setNearClipDistance(1);
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316 |
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317 | // infinite far plane?
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318 | if (mRoot->getRenderSystem()->getCapabilities()->hasCapability(RSC_INFINITE_FAR_PLANE))
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319 | {
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320 | mTopCam->setFarClipDistance(0);
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321 | mCamera->setFarClipDistance(0);
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322 | }
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323 | else
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324 | {
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325 | mTopCam->setFarClipDistance(20000);
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326 | mCamera->setFarClipDistance(20000);
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327 | }
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328 | }
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329 |
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330 | void KdTreeApp::createViewports(void)
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331 | {
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332 | // Create one viewport, entire window
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333 | Viewport* vp = mWindow->addViewport(mCamera);
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334 | vp->setBackgroundColour(ColourValue(0,0,100));
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335 |
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336 | // Alter the camera aspect ratio to match the viewport
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337 | mCamera->setAspectRatio(
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338 | Real(vp->getActualWidth()) / Real(vp->getActualHeight()));
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339 | /*
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340 | Viewport* fvp = mWindow->addViewport(mFollowCam,2,0.75,0.75,0.25,0.25);
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341 | fvp->setBackgroundColour(ColourValue(100,0,0));
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342 | fvp->setOverlaysEnabled( false );
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343 |
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344 | mFollowCam->setAspectRatio(
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345 | Real(fvp->getActualWidth()) / Real(fvp->getActualHeight()));
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346 | */
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347 | }
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348 |
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349 | bool KdTreeApp::configure(void)
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350 | {
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351 | // Show the configuration dialog and initialise the system
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352 | // You can skip this and use root.restoreConfig() to load configuration
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353 | // settings if you were sure there are valid ones saved in ogre.cfg
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354 | #ifdef KDTREE_FASTSTART
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355 | if(mRoot->restoreConfig())
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356 | #else
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357 | if(mRoot->showConfigDialog())
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358 | #endif
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359 | {
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360 | // If returned true, user clicked OK so initialise
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361 | // Here we choose to let the system create a default rendering window by passing 'true'
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362 | mWindow = mRoot->initialise(true);
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363 | return true;
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364 | }
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365 | else
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366 | {
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367 | return false;
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368 | }
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369 | }
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370 |
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371 |
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372 | //-----------------------------------------------------------------------
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373 | // splits strings containing multiple file names
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374 | static int splitFilenames(const std::string str, std::vector<std::string> &filenames)
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375 | {
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376 | int pos = 0;
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377 |
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378 | while(1)
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379 | {
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380 | int npos = (int)str.find(';', pos);
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381 |
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382 | if (npos < 0 || npos - pos < 1)
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383 | break;
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384 | filenames.push_back(std::string(str, pos, npos - pos));
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385 | pos = npos + 1;
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386 | }
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387 |
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388 | filenames.push_back(std::string(str, pos, str.size() - pos));
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389 | return (int)filenames.size();
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390 | }
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391 |
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392 | bool KdTreeApp::loadScene(const String &filename)
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393 | {
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394 | // use leaf nodes of the original spatial hierarchy as occludees
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395 | std::vector<std::string> filenames;
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396 | int files = splitFilenames(filename, filenames);
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397 |
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398 | std::stringstream d;
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399 | d << "number of input files: " << files << "\n";
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400 | LogManager::getSingleton().logMessage(d.str());
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401 |
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402 | bool result = false;
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403 | std::vector<std::string>::const_iterator fit, fit_end = filenames.end();
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404 | int i = 0;
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405 | // root for different files
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406 | for (fit = filenames.begin(); fit != fit_end; ++ fit, ++ i)
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407 | {
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408 | const std::string fn = *fit;
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409 |
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410 | if (strstr(fn.c_str(), ".iv") || strstr(fn.c_str(), ".wrl"))
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411 | {
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412 | // hack: set postion manually for vienna
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413 | //mCamNode->setPosition(Vector3(830, 300, -540));
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414 | //mCamNode->setOrientation(Quaternion(-0.3486, 0.0122, 0.9365, 0.0329));
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415 |
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416 | // load iv files
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417 | loadSceneIV(fn, mSceneMgr->getRootSceneNode(), i);
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418 | }
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419 |
|
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420 | result = true;
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421 | }
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422 |
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423 |
|
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424 | /*
|
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425 | if (result)
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426 | {
|
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427 | int intersectables, faces;
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428 |
|
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429 | std::stringstream d;
|
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430 | d << filename << " parsed successfully.\n"
|
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431 | << "#NUM_OBJECTS (Total numner of objects)\n" << intersectables << "\n"
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432 | << "#NUM_FACES (Total numner of faces)\n" << faces << "\n";
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433 | }
|
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434 | */
|
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435 |
|
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436 | return result;
|
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437 | }
|
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438 |
|
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439 | //-----------------------------------------------------------------------
|
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440 | bool KdTreeApp::loadSceneIV(const String &filename, SceneNode *root, const int index)
|
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441 | {
|
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442 | IVReader * mIVReader = new IVReader();
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443 |
|
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444 | if (1)
|
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445 | {
|
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446 | String logFilename = "IVLog" + Ogre::StringConverter().toString(index) + ".log";
|
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447 |
|
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448 | Log *log = LogManager::getSingleton().createLog(logFilename);
|
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449 | mIVReader->setLog(log);
|
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450 | }
|
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451 |
|
---|
452 | //viennaNode->translate(Vector3(-300, -300, 0));
|
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453 |
|
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454 | if (mIVReader->loadFile(filename.c_str()))
|
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455 | {
|
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456 | SceneNode *node = root->createChildSceneNode("IVSceneNode" + index);
|
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457 |
|
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458 | mIVReader->buildTree(mSceneMgr, node);
|
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459 |
|
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460 | mIVReader->collapse();
|
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461 | OGRE_DELETE(mIVReader);
|
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462 |
|
---|
463 | return true;
|
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464 | }
|
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465 |
|
---|
466 | return false;
|
---|
467 | }
|
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468 |
|
---|
469 | /**********************************************************************/
|
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470 | /* VisualizationRenderTargetListener implementation */
|
---|
471 | /**********************************************************************/
|
---|
472 |
|
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473 |
|
---|
474 | //-----------------------------------------------------------------------
|
---|
475 | KdTreeAppRenderTargetListener::KdTreeAppRenderTargetListener(SceneManager *sceneMgr)
|
---|
476 | :RenderTargetListener(), mSceneMgr(sceneMgr)
|
---|
477 | {
|
---|
478 | }
|
---|
479 | //-----------------------------------------------------------------------
|
---|
480 | void KdTreeAppRenderTargetListener::preViewportUpdate(const RenderTargetViewportEvent &evt)
|
---|
481 | {
|
---|
482 | // visualization viewport
|
---|
483 | const bool showViz = evt.source->getZOrder() == VIZ_VIEWPORT_Z_ORDER;
|
---|
484 | const bool nShowViz = !showViz;
|
---|
485 |
|
---|
486 | mSavedShadowTechnique = mSceneMgr->getShadowTechnique();
|
---|
487 | mSavedAmbientLight = mSceneMgr->getAmbientLight();
|
---|
488 |
|
---|
489 | // -- ambient light must be full for visualization, shadows disabled
|
---|
490 | if (showViz)
|
---|
491 | {
|
---|
492 | mSceneMgr->setAmbientLight(ColourValue(1, 1, 1));
|
---|
493 | mSceneMgr->setShadowTechnique(SHADOWTYPE_NONE);
|
---|
494 | }
|
---|
495 |
|
---|
496 | mSceneMgr->setOption("PrepareVisualization", &showViz);
|
---|
497 | mSceneMgr->setOption("SkyBoxEnabled", &nShowViz);
|
---|
498 | //mSceneMgr->setOption("SkyPlaneEnabled", &showViz);
|
---|
499 |
|
---|
500 | RenderTargetListener::preViewportUpdate(evt);
|
---|
501 | }
|
---|
502 | //-----------------------------------------------------------------------
|
---|
503 | void KdTreeAppRenderTargetListener::postRenderTargetUpdate(const RenderTargetEvent &evt)
|
---|
504 | {
|
---|
505 | // reset values
|
---|
506 | mSceneMgr->setShadowTechnique(mSavedShadowTechnique);
|
---|
507 | mSceneMgr->setAmbientLight(mSavedAmbientLight);
|
---|
508 |
|
---|
509 | RenderTargetListener::postRenderTargetUpdate(evt);
|
---|
510 | } |
---|