[721] | 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 500 in Z direction
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[751] | 383 | mCamera->setPosition(Ogre::Vector3(0.0, 0.0, 500.0));
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[721] | 384 | // Look back along -Z
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[751] | 385 | mCamera->lookAt(Ogre::Vector3(0.0, 0.0, -300.0));
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| 386 | mCamera->setNearClipDistance(5.0);
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[721] | 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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[751] | 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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[721] | 400 | } |
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| 401 | |
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[751] | 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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[721] | 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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