1 | |
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2 | #include "OBAOgreFrameListenerMode.h" |
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3 | |
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4 | namespace OBA { |
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5 | |
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6 | OgreFrameListenerMode::OgreFrameListenerMode(Ogre::RenderWindow *win, unsigned int ogreFrameListenerModeHandle, bool useBufferedInputKeys, bool useBufferedInputMouse) |
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7 | { |
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8 | mOgreFrameListenerModeHandle = ogreFrameListenerModeHandle; |
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9 | |
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10 | mDebugOverlay = Ogre::OverlayManager::getSingleton().getByName("Core/DebugOverlay");
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11 |
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12 | mInputTypeSwitchingOn = useBufferedInputKeys || useBufferedInputMouse;
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13 | mUseBufferedInputKeys = useBufferedInputKeys;
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14 | mUseBufferedInputMouse = useBufferedInputMouse;
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15 |
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16 | mRotateSpeed = 36;
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17 | mMoveSpeed = 100; |
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18 |
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19 | mWindow = win;
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20 |
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21 | Ogre::LogManager::getSingleton().logMessage("mWindow.IsClosed->" + Ogre::StringConverter::toString(mWindow->isClosed()));
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22 |
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23 | mStatsOn = true;
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24 | mNumScreenShots = 0;
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25 | mTimeUntilNextToggle = 0;
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26 | mSceneDetailIndex = 0;
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27 | mMoveScale = 0.0f;
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28 | mRotScale = 0.0f;
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29 | mTranslateVector = Ogre::Vector3::ZERO;
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30 | mAniso = 1;
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31 | mFiltering = Ogre::TFO_BILINEAR;
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32 |
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33 | showDebugOverlay(true); |
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34 | } |
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35 | |
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36 | OgreFrameListenerMode::~OgreFrameListenerMode() |
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37 | { |
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38 | } |
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39 | |
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40 | void OgreFrameListenerMode::updateStats(void)
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41 | {
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42 | static Ogre::String currFps = "Current FPS: ";
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43 | static Ogre::String avgFps = "Average FPS: ";
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44 | static Ogre::String bestFps = "Best FPS: ";
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45 | static Ogre::String worstFps = "Worst FPS: ";
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46 | static Ogre::String tris = "Triangle Count: ";
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47 |
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48 | // update stats when necessary
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49 | try {
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50 | Ogre::OverlayElement* guiAvg = Ogre::OverlayManager::getSingleton().getOverlayElement("Core/AverageFps");
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51 | Ogre::OverlayElement* guiCurr = Ogre::OverlayManager::getSingleton().getOverlayElement("Core/CurrFps");
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52 | Ogre::OverlayElement* guiBest = Ogre::OverlayManager::getSingleton().getOverlayElement("Core/BestFps");
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53 | Ogre::OverlayElement* guiWorst = Ogre::OverlayManager::getSingleton().getOverlayElement("Core/WorstFps");
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54 |
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55 | const Ogre::RenderTarget::FrameStats& stats = mWindow->getStatistics();
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56 |
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57 | guiAvg->setCaption(avgFps + Ogre::StringConverter::toString(stats.avgFPS));
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58 | guiCurr->setCaption(currFps + Ogre::StringConverter::toString(stats.lastFPS));
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59 | guiBest->setCaption(bestFps + Ogre::StringConverter::toString(stats.bestFPS)
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60 | +" "+ Ogre::StringConverter::toString(stats.bestFrameTime)+" ms");
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61 | guiWorst->setCaption(worstFps + Ogre::StringConverter::toString(stats.worstFPS)
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62 | +" "+ Ogre::StringConverter::toString(stats.worstFrameTime)+" ms");
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63 |
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64 | Ogre::OverlayElement* guiTris = Ogre::OverlayManager::getSingleton().getOverlayElement("Core/NumTris");
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65 | guiTris->setCaption(tris + Ogre::StringConverter::toString(stats.triangleCount));
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66 |
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67 | Ogre::OverlayElement* guiDbg = Ogre::OverlayManager::getSingleton().getOverlayElement("Core/DebugText");
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68 | guiDbg->setCaption(mWindow->getDebugText());
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69 | }
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70 | catch(...)
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71 | {
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72 | // ignore
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73 | }
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74 | } |
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75 | |
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76 | bool OgreFrameListenerMode::processUnbufferedKeyInput(const Ogre::FrameEvent& evt)
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77 | {
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78 | if (mInputDevice->isKeyDown(Ogre::KC_A))
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79 | {
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80 | // Move camera left
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81 | mTranslateVector.x = -mMoveScale;
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82 | }
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83 |
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84 | if (mInputDevice->isKeyDown(Ogre::KC_D))
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85 | {
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86 | // Move camera RIGHT
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87 | mTranslateVector.x = mMoveScale;
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88 | }
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89 |
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90 | /* Move camera forward by keypress. */
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91 | if (mInputDevice->isKeyDown(Ogre::KC_UP) || mInputDevice->isKeyDown(Ogre::KC_W) )
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92 | {
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93 | mTranslateVector.z = -mMoveScale;
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94 | }
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95 |
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96 | /* Move camera backward by keypress. */
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97 | if (mInputDevice->isKeyDown(Ogre::KC_DOWN) || mInputDevice->isKeyDown(Ogre::KC_S) )
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98 | {
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99 | mTranslateVector.z = mMoveScale;
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100 | }
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101 |
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102 | if (mInputDevice->isKeyDown(Ogre::KC_PGUP))
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103 | {
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104 | // Move camera up
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105 | mTranslateVector.y = mMoveScale;
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106 | }
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107 |
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108 | if (mInputDevice->isKeyDown(Ogre::KC_PGDOWN))
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109 | {
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110 | // Move camera down
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111 | mTranslateVector.y = -mMoveScale;
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112 | }
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113 |
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114 | if (mInputDevice->isKeyDown(Ogre::KC_RIGHT))
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115 | {
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116 | mCamera->yaw(-mRotScale);
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117 | }
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118 |
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119 | if (mInputDevice->isKeyDown(Ogre::KC_LEFT))
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120 | {
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121 | mCamera->yaw(mRotScale);
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122 | }
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123 |
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124 | // see if switching is on, and you want to toggle
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125 | if (mInputTypeSwitchingOn && mInputDevice->isKeyDown(Ogre::KC_M) && mTimeUntilNextToggle <= 0)
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126 | {
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127 | switchMouseMode();
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128 | mTimeUntilNextToggle = 1;
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129 | }
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130 |
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131 | if (mInputTypeSwitchingOn && mInputDevice->isKeyDown(Ogre::KC_K) && mTimeUntilNextToggle <= 0)
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132 | {
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133 | // must be going from immediate keyboard to buffered keyboard
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134 | switchKeyMode();
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135 | mTimeUntilNextToggle = 1;
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136 | }
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137 | if (mInputDevice->isKeyDown(Ogre::KC_F) && mTimeUntilNextToggle <= 0)
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138 | {
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139 | mStatsOn = !mStatsOn;
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140 | showDebugOverlay(mStatsOn);
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141 |
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142 | mTimeUntilNextToggle = 1;
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143 | }
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144 | if (mInputDevice->isKeyDown(Ogre::KC_T) && mTimeUntilNextToggle <= 0)
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145 | {
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146 | switch(mFiltering)
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147 | {
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148 | case Ogre::TFO_BILINEAR:
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149 | mFiltering = Ogre::TFO_TRILINEAR;
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150 | mAniso = 1;
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151 | break;
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152 | case Ogre::TFO_TRILINEAR:
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153 | mFiltering = Ogre::TFO_ANISOTROPIC;
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154 | mAniso = 8;
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155 | break;
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156 | case Ogre::TFO_ANISOTROPIC:
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157 | mFiltering = Ogre::TFO_BILINEAR;
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158 | mAniso = 1;
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159 | break;
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160 | default:
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161 | break;
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162 | }
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163 | Ogre::MaterialManager::getSingleton().setDefaultTextureFiltering(mFiltering);
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164 | Ogre::MaterialManager::getSingleton().setDefaultAnisotropy(mAniso);
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165 |
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166 |
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167 | showDebugOverlay(mStatsOn);
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168 |
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169 | mTimeUntilNextToggle = 1;
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170 | }
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171 |
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172 | if (mInputDevice->isKeyDown(Ogre::KC_SYSRQ) && mTimeUntilNextToggle <= 0)
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173 | {
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174 | char tmp[20];
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175 | sprintf(tmp, "screenshot_%d.png", ++mNumScreenShots);
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176 | mWindow->writeContentsToFile(tmp);
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177 | mTimeUntilNextToggle = 0.5;
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178 | mWindow->setDebugText(Ogre::String("Wrote ") + tmp);
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179 | }
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180 |
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181 | if (mInputDevice->isKeyDown(Ogre::KC_R) && mTimeUntilNextToggle <=0)
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182 | {
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183 | mSceneDetailIndex = (mSceneDetailIndex+1)%3 ;
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184 | switch(mSceneDetailIndex) {
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185 | case 0 : mCamera->setPolygonMode(Ogre::PM_SOLID) ; break ;
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186 | case 1 : mCamera->setPolygonMode(Ogre::PM_WIREFRAME) ; break ;
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187 | case 2 : mCamera->setPolygonMode(Ogre::PM_POINTS) ; break ;
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188 | }
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189 | mTimeUntilNextToggle = 0.5;
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190 | }
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191 |
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192 | static bool displayCameraDetails = false;
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193 | if (mInputDevice->isKeyDown(Ogre::KC_P) && mTimeUntilNextToggle <= 0)
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194 | {
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195 | displayCameraDetails = !displayCameraDetails;
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196 | mTimeUntilNextToggle = 0.5;
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197 | if (!displayCameraDetails)
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198 | mWindow->setDebugText("");
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199 | }
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200 | if (displayCameraDetails)
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201 | {
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202 | // Print camera details
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203 | mWindow->setDebugText("P: " + Ogre::StringConverter::toString(mCamera->getDerivedPosition()) + " " +
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204 | "O: " + Ogre::StringConverter::toString(mCamera->getDerivedOrientation()));
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205 | }
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206 |
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207 | // Return true to continue rendering
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208 | return true;
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209 | } |
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210 | |
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211 | bool OgreFrameListenerMode::processUnbufferedMouseInput(const Ogre::FrameEvent& evt)
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212 | {
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213 | /* Rotation factors, may not be used if the second mouse button is pressed. */
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214 |
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215 | /* If the second mouse button is pressed, then the mouse movement results in
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216 | sliding the camera, otherwise we rotate. */
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217 | if( mInputDevice->getMouseButton( 1 ) )
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218 | {
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219 | mTranslateVector.x += mInputDevice->getMouseRelativeX() * 0.13;
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220 | mTranslateVector.y -= mInputDevice->getMouseRelativeY() * 0.13;
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221 | }
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222 | else
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223 | {
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224 | mRotX = Ogre::Degree(-mInputDevice->getMouseRelativeX() * 0.13);
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225 | mRotY = Ogre::Degree(-mInputDevice->getMouseRelativeY() * 0.13);
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226 | }
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227 |
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228 | return true;
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229 | } |
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230 | |
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231 | bool OgreFrameListenerMode::frameEnded(const Ogre::FrameEvent& evt) |
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232 | { |
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233 | updateStats(); |
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234 | |
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235 | return true; |
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236 | } |
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237 | |
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238 | bool OgreFrameListenerMode::frameStarted(const Ogre::FrameEvent& evt, Ogre::InputReader *inputDevice) |
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239 | { |
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240 | mInputDevice = inputDevice; |
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241 | |
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242 | if(mWindow->isClosed())
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243 | return false;
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244 |
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245 | if ( !mUseBufferedInputMouse || !mUseBufferedInputKeys)
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246 | {
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247 | // one of the input modes is immediate, so setup what is needed for immediate mouse/key movement
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248 | if (mTimeUntilNextToggle >= 0)
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249 | {
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250 | mTimeUntilNextToggle -= evt.timeSinceLastFrame;
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251 | }
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252 |
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253 | // If this is the first frame, pick a speed
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254 | if (evt.timeSinceLastFrame == 0)
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255 | {
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256 | mMoveScale = 1;
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257 | mRotScale = 0.1;
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258 | }
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259 | // Otherwise scale movement units by time passed since last frame
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260 | else
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261 | {
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262 | // Move about 100 units per second,
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263 | mMoveScale = mMoveSpeed * evt.timeSinceLastFrame;
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264 | // Take about 10 seconds for full rotation
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265 | mRotScale = mRotateSpeed * evt.timeSinceLastFrame;
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266 | }
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267 | mRotX = 0;
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268 | mRotY = 0;
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269 | mTranslateVector = Ogre::Vector3::ZERO;
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270 | }
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271 |
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272 | if (mUseBufferedInputKeys)
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273 | {
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274 | // no need to do any processing here, it is handled by event processor and
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275 | // you get the results as KeyEvents
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276 | }
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277 | else
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278 | {
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279 | if (processUnbufferedKeyInput(evt) == false)
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280 | {
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281 | return false;
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282 | }
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283 | }
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284 | if (mUseBufferedInputMouse)
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285 | {
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286 | // no need to do any processing here, it is handled by event processor and
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287 | // you get the results as MouseEvents
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288 | }
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289 | else
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290 | {
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291 | if (processUnbufferedMouseInput(evt) == false)
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292 | {
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293 | return false;
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294 | }
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295 | }
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296 |
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297 | if ( !mUseBufferedInputMouse || !mUseBufferedInputKeys)
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298 | {
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299 | // one of the input modes is immediate, so update the movement vector
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300 |
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301 | moveCamera();
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302 |
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303 | } |
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304 | |
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305 | return true; |
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306 | } |
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307 | |
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308 | void OgreFrameListenerMode::moveCamera()
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309 | {
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310 |
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311 | // Make all the changes to the camera
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312 | // Note that YAW direction is around a fixed axis (freelook style) rather than a natural YAW (e.g. airplane)
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313 | mCamera->yaw(mRotX);
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314 | mCamera->pitch(mRotY);
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315 | mCamera->moveRelative(mTranslateVector);
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316 | } |
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317 | |
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318 | void OgreFrameListenerMode::showDebugOverlay(bool show)
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319 | {
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320 | if (mDebugOverlay)
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321 | {
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322 | if (show)
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323 | {
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324 | mDebugOverlay->show();
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325 | }
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326 | else
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327 | {
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328 | mDebugOverlay->hide();
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329 | }
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330 | }
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331 | } |
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332 | |
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333 | void OgreFrameListenerMode::switchMouseMode()
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334 | {
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335 | mUseBufferedInputMouse = !mUseBufferedInputMouse;
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336 | mInputDevice->setBufferedInput(mUseBufferedInputKeys, mUseBufferedInputMouse);
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337 | } |
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338 | |
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339 | void OgreFrameListenerMode::switchKeyMode()
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340 | {
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341 | mUseBufferedInputKeys = !mUseBufferedInputKeys;
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342 | mInputDevice->setBufferedInput(mUseBufferedInputKeys, mUseBufferedInputMouse);
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343 | } |
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344 | |
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345 | void OgreFrameListenerMode::keyClicked(Ogre::KeyEvent* e)
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346 | {
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347 | if (e->getKeyChar() == 'm')
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348 | {
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349 | switchMouseMode();
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350 | }
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351 | else if (e->getKeyChar() == 'k')
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352 | {
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353 | switchKeyMode();
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354 | }
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355 |
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356 | } |
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357 | |
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358 | void OgreFrameListenerMode::keyPressed(Ogre::KeyEvent* e) |
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359 | { |
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360 | } |
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361 | |
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362 | void OgreFrameListenerMode::keyReleased(Ogre::KeyEvent* e) |
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363 | { |
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364 | }
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365 | |
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366 | void OgreFrameListenerMode::chooseSceneManager(void)
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367 | {
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368 | // Create the SceneManager, in this case a generic one
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369 | mSceneMgr = Ogre::Root::getSingleton().createSceneManager(Ogre::ST_GENERIC, "SceneMgr_" + Ogre::StringConverter::toString(mOgreFrameListenerModeHandle));
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370 | } |
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371 | |
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372 | Ogre::SceneManager* OgreFrameListenerMode::getSceneManager(void) |
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373 | { |
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374 | return mSceneMgr; |
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375 | } |
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376 | |
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377 | void OgreFrameListenerMode::createCamera(void)
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378 | {
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379 | // Create the camera
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380 | mCamera = mSceneMgr->createCamera("SceneMgr_" + Ogre::StringConverter::toString(mOgreFrameListenerModeHandle) + "_Camera");
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381 |
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382 | // Position it at 200 in Z direction
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383 | mCamera->setPosition(Ogre::Vector3(0.0, 0.0, 200.0));
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384 | // Look back along -Z
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385 | mCamera->lookAt(Ogre::Vector3(0.0, 0.0, -300.0));
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386 | mCamera->setNearClipDistance(2.0);
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387 | } |
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388 | |
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389 | void OgreFrameListenerMode::createViewports(void)
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390 | {
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391 | // Create one viewport, entire window
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392 | if (mWindow->getNumViewports() == 0)
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393 | {
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394 | Ogre::Viewport* vp = mWindow->addViewport(mCamera,mOgreFrameListenerModeHandle);
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395 | vp->setBackgroundColour(Ogre::ColourValue(0.0, 0.0, 0.0));
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396 | }
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397 | // Alter the camera aspect ratio to match the viewport
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398 | mCamera->setAspectRatio(
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399 | Ogre::Real(mWindow->getViewport(0)->getActualWidth()) / Ogre::Real(mWindow->getViewport(0)->getActualHeight()));
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400 | } |
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401 | |
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402 | unsigned int OgreFrameListenerMode::getHandle() |
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403 | { |
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404 | return mOgreFrameListenerModeHandle; |
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405 | } |
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406 | |
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407 | Ogre::Camera* OgreFrameListenerMode::getCamera() |
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408 | { |
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409 | return mCamera; |
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410 | } |
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411 | |
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412 | void OgreFrameListenerMode::createScene() |
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413 | { |
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414 | |
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415 | } |
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416 | |
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417 | void OgreFrameListenerMode::destroyScene() |
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418 | { |
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419 | |
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420 | } |
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421 | |
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422 | } |
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