1 | /* |
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2 | ----------------------------------------------------------------------------- |
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3 | This source file is part of OGRE |
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4 | (Object-oriented Graphics Rendering Engine) |
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5 | For the latest info, see http://www.ogre3d.org/ |
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6 | |
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7 | Copyright (c) 2000-2006 The OGRE Team |
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8 | Also see acknowledgements in Readme.html |
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9 | |
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10 | You may use this sample code for anything you like, it is not covered by the |
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11 | LGPL like the rest of the engine. |
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12 | ----------------------------------------------------------------------------- |
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13 | */ |
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14 | |
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15 | #include "ColladaDemo.h" |
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16 | #include "UIHandler.h" |
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17 | |
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18 | #include "OgreRenderWindow.h" |
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19 | #include "OgreException.h" |
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20 | #include "OgreCamera.h" |
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21 | #include "OgreStringConverter.h" |
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22 | |
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23 | //-------------------------------------------------------------------------- |
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24 | // UIHandler methods that handle all input for this demo. |
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25 | //-------------------------------------------------------------------------- |
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26 | |
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27 | UIHandler::UIHandler(ColladaDemo* main) |
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28 | : mMain(main) |
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29 | , mTranslateVector(Ogre::Vector3::ZERO) |
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30 | , mStatsOn(true) |
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31 | , mNumScreenShots(0) |
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32 | , mMoveScale(0.0f) |
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33 | , mRotScale(0.0f) |
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34 | , mSpeed(MINSPEED) |
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35 | , mAvgFrameTime(0.1) |
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36 | , mSceneDetailIndex(0) |
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37 | , mMoveSpeed(100) |
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38 | , mRotateSpeed(0) |
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39 | , mSkipCount(0) |
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40 | , mUpdateFreq(50) |
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41 | , mLastMousePositionSet(false) |
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42 | , mRotX(0) |
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43 | , mRotY(0) |
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44 | , mFiltering(Ogre::TFO_BILINEAR) |
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45 | , mAniso(1) |
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46 | , mQuit(false) |
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47 | , mLMBDown(false) |
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48 | , mRMBDown(false) |
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49 | , mProcessMovement(false) |
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50 | , mUpdateMovement(false) |
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51 | , mMoveFwd(false) |
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52 | , mMoveBck(false) |
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53 | , mMoveLeft(false) |
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54 | , mMoveRight(false) |
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55 | |
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56 | { |
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57 | // using buffered input |
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58 | OIS::ParamList pl; |
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59 | size_t windowHnd = 0; |
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60 | std::ostringstream windowHndStr; |
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61 | main->getRenderWindow()->getCustomAttribute("WINDOW", &windowHnd); |
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62 | windowHndStr << windowHnd; |
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63 | pl.insert(std::make_pair(std::string("WINDOW"), windowHndStr.str())); |
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64 | |
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65 | mInputManager = OIS::InputManager::createInputSystem(windowHnd); |
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66 | |
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67 | mGuiRenderer = CEGUI::System::getSingleton().getRenderer(); |
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68 | |
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69 | mKeyboard = static_cast<OIS::Keyboard*>(mInputManager->createInputObject( OIS::OISKeyboard, true )); |
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70 | mMouse = static_cast<OIS::Mouse*>(mInputManager->createInputObject( OIS::OISMouse, true )); |
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71 | CEGUI::Rect R=mGuiRenderer->getRect(); |
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72 | //Set Mouse Region.. if window resizes, we should alter this to reflect as well |
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73 | const OIS::MouseState &ms = mMouse->getMouseState(); |
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74 | ms.width = R.getWidth(); |
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75 | ms.height = R.getHeight(); |
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76 | |
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77 | mMouse->setEventCallback(this); |
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78 | mKeyboard->setEventCallback(this); |
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79 | // using buffered input |
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80 | /*mEventProcessor = new Ogre::EventProcessor(); |
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81 | mEventProcessor->initialise(mMain->getRenderWindow()); |
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82 | mEventProcessor->startProcessingEvents(); |
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83 | mEventProcessor->addKeyListener(this); |
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84 | mEventProcessor->addMouseMotionListener(this); |
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85 | mEventProcessor->addMouseListener(this); |
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86 | mInputDevice = mEventProcessor->getInputReader();*/ |
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87 | |
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88 | |
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89 | mGuiAvg = CEGUI::WindowManager::getSingleton().getWindow("OPAverageFPS"); |
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90 | mGuiCurr = CEGUI::WindowManager::getSingleton().getWindow("OPCurrentFPS"); |
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91 | mGuiBest = CEGUI::WindowManager::getSingleton().getWindow("OPBestFPS"); |
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92 | mGuiWorst = CEGUI::WindowManager::getSingleton().getWindow("OPWorstFPS"); |
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93 | mGuiTris = CEGUI::WindowManager::getSingleton().getWindow("OPTriCount"); |
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94 | mGuiDbg = CEGUI::WindowManager::getSingleton().getWindow("OPDebugMsg"); |
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95 | mRoot = CEGUI::WindowManager::getSingleton().getWindow("root"); |
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96 | } |
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97 | |
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98 | //-------------------------------------------------------------------------- |
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99 | UIHandler::~UIHandler() |
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100 | { |
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101 | if(mInputManager) |
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102 | { |
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103 | mInputManager->destroyInputObject(mMouse); |
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104 | mInputManager->destroyInputObject(mKeyboard); |
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105 | OIS::InputManager::destroyInputSystem(mInputManager); |
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106 | mInputManager = 0; |
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107 | } |
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108 | } |
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109 | |
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110 | //-------------------------------------------------------------------------- |
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111 | bool UIHandler::frameStarted(const Ogre::FrameEvent& evt) |
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112 | { |
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113 | mMouse->capture(); |
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114 | mKeyboard->capture(); |
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115 | if (mQuit) |
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116 | return false; |
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117 | else |
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118 | { |
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119 | mSkipCount++; |
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120 | if (mSkipCount >= mUpdateFreq) |
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121 | { |
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122 | mSkipCount = 0; |
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123 | updateStats(); |
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124 | // check to see if window got deactivated because user alt-tabbed out, set it back to active so that render updates |
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125 | // updates are visible even though the window does not have focus |
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126 | if (!mMain->getRenderWindow()->isClosed() && !mMain->getRenderWindow()->isActive()) |
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127 | mMain->getRenderWindow()->setActive(true); |
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128 | |
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129 | } |
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130 | // update movement process |
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131 | if(mProcessMovement || mUpdateMovement) |
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132 | { |
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133 | mTranslateVector.x += mMoveLeft ? mAvgFrameTime * -MOVESPEED : 0; |
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134 | mTranslateVector.x += mMoveRight ? mAvgFrameTime * MOVESPEED : 0; |
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135 | mTranslateVector.z += mMoveFwd ? mAvgFrameTime * -MOVESPEED : 0; |
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136 | mTranslateVector.z += mMoveBck ? mAvgFrameTime * MOVESPEED : 0; |
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137 | |
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138 | Ogre::SceneNode* parentSceneNode = mMain->getActiveCamera()->getParentSceneNode(); |
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139 | if (parentSceneNode) |
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140 | { |
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141 | parentSceneNode->yaw(Ogre::Angle(mRotX)); |
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142 | parentSceneNode->pitch(Ogre::Angle(mRotY)); |
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143 | parentSceneNode->translate(mTranslateVector, Ogre::Node::TS_LOCAL); |
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144 | } |
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145 | else |
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146 | { |
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147 | mMain->getActiveCamera()->yaw(Ogre::Angle(mRotX)); |
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148 | mMain->getActiveCamera()->pitch(Ogre::Angle(mRotY)); |
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149 | mMain->getActiveCamera()->moveRelative(mTranslateVector); |
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150 | } |
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151 | |
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152 | mUpdateMovement = false; |
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153 | mRotX = 0; |
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154 | mRotY = 0; |
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155 | mTranslateVector = Ogre::Vector3::ZERO; |
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156 | } |
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157 | |
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158 | mMain->updateAutoReload(mAvgFrameTime); |
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159 | |
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160 | return true; |
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161 | } |
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162 | } |
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163 | |
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164 | //-------------------------------------------------------------------------- |
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165 | bool UIHandler::mouseMoved (const OIS::MouseEvent &e) |
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166 | { |
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167 | CEGUI::System::getSingleton().injectMouseMove( |
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168 | e.state.X.rel, |
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169 | e.state.Y.rel); |
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170 | CEGUI::System::getSingleton().injectMouseWheelChange(e.state.Z.rel); |
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171 | return true; |
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172 | } |
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173 | |
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174 | //-------------------------------------------------------------------------- |
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175 | bool UIHandler::mouseDragged (const OIS::MouseEvent &e) |
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176 | { |
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177 | return mouseMoved(e); |
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178 | } |
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179 | |
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180 | //-------------------------------------------------------------------------- |
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181 | bool UIHandler::keyPressed (const OIS::KeyEvent &e) |
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182 | { |
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183 | // give 'quitting' priority |
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184 | if (e.key == OIS::KC_ESCAPE) |
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185 | { |
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186 | mQuit = true; |
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187 | return true; |
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188 | } |
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189 | |
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190 | if (e.key== OIS::KC_SYSRQ ) |
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191 | { |
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192 | char tmp[20]; |
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193 | sprintf(tmp, "screenshot_%d.png", ++mNumScreenShots); |
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194 | mMain->getRenderWindow()->writeContentsToFile(tmp); |
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195 | // mMain->getRenderWindow()->setDebugText(Ogre::String("Wrote ") + tmp); |
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196 | } |
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197 | |
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198 | // do event injection |
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199 | CEGUI::System& cegui = CEGUI::System::getSingleton(); |
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200 | |
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201 | // key down |
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202 | cegui.injectKeyDown(e.key); |
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203 | |
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204 | // now character |
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205 | cegui.injectChar(e.text); |
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206 | |
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207 | return true; |
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208 | } |
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209 | |
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210 | //-------------------------------------------------------------------------- |
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211 | bool UIHandler::keyReleased (const OIS::KeyEvent &e) |
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212 | { |
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213 | CEGUI::System::getSingleton().injectKeyUp(e.key); |
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214 | return true; |
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215 | } |
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216 | |
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217 | //-------------------------------------------------------------------------- |
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218 | bool UIHandler::mousePressed (const OIS::MouseEvent &e,OIS::MouseButtonID b) |
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219 | { |
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220 | CEGUI::System::getSingleton().injectMouseButtonDown(convertOgreButtonToCegui(b)); |
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221 | return true; |
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222 | } |
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223 | |
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224 | //-------------------------------------------------------------------------- |
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225 | bool UIHandler::mouseReleased (const OIS::MouseEvent &e,OIS::MouseButtonID b) |
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226 | { |
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227 | CEGUI::System::getSingleton().injectMouseButtonUp(convertOgreButtonToCegui(b)); |
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228 | return true; |
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229 | } |
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230 | |
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231 | //-------------------------------------------------------------------------- |
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232 | CEGUI::MouseButton UIHandler::convertOgreButtonToCegui(OIS::MouseButtonID b) |
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233 | { |
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234 | if(b==(OIS::MB_Left)) |
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235 | return CEGUI::LeftButton; |
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236 | if(b==(OIS::MB_Right)) |
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237 | return CEGUI::RightButton; |
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238 | if(b==(OIS::MB_Middle)) |
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239 | return CEGUI::MiddleButton; |
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240 | if(b==(OIS::MB_Button3)) |
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241 | return CEGUI::X1Button; |
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242 | return CEGUI::LeftButton; |
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243 | |
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244 | } |
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245 | |
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246 | //-------------------------------------------------------------------------- |
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247 | void UIHandler::updateStats() |
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248 | { |
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249 | static CEGUI::String currFps = "Current FPS: "; |
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250 | static CEGUI::String avgFps = "Average FPS: "; |
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251 | static CEGUI::String bestFps = "Best FPS: "; |
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252 | static CEGUI::String worstFps = "Worst FPS: "; |
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253 | static CEGUI::String tris = "Triangle Count: "; |
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254 | |
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255 | |
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256 | const Ogre::RenderTarget::FrameStats& stats = mMain->getRenderWindow()->getStatistics(); |
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257 | |
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258 | mGuiAvg->setText(avgFps + Ogre::StringConverter::toString(stats.avgFPS)); |
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259 | mGuiCurr->setText(currFps + Ogre::StringConverter::toString(stats.lastFPS)); |
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260 | mGuiBest->setText(bestFps + Ogre::StringConverter::toString(stats.bestFPS) |
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261 | + " " + Ogre::StringConverter::toString(stats.bestFrameTime)+" ms"); |
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262 | mGuiWorst->setText(worstFps + Ogre::StringConverter::toString(stats.worstFPS) |
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263 | + " " + Ogre::StringConverter::toString(stats.worstFrameTime)+" ms"); |
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264 | |
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265 | mGuiTris->setText(tris + Ogre::StringConverter::toString(stats.triangleCount)); |
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266 | // mGuiDbg->setText(mMain->getRenderWindow()->getDebugText()); |
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267 | mAvgFrameTime = 1.0f/(stats.avgFPS + 1.0f); |
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268 | if (mAvgFrameTime > 0.1f) mAvgFrameTime = 0.1f; |
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269 | |
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270 | } |
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271 | |
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272 | |
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273 | //-------------------------------------------------------------------------- |
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274 | bool UIHandler::handleMouseMove(const CEGUI::EventArgs& e) |
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275 | { |
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276 | using namespace CEGUI; |
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277 | |
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278 | if( mLMBDown && !mRMBDown) |
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279 | { |
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280 | // rotate camera |
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281 | mRotX += -((const MouseEventArgs&)e).moveDelta.d_x * mAvgFrameTime * 10.0; |
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282 | mRotY += -((const MouseEventArgs&)e).moveDelta.d_y * mAvgFrameTime * 10.0; |
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283 | MouseCursor::getSingleton().setPosition( mLastMousePosition ); |
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284 | mUpdateMovement = true; |
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285 | } |
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286 | else |
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287 | { |
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288 | if( mRMBDown && !mLMBDown) |
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289 | { |
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290 | // translate camera |
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291 | mTranslateVector.x += ((const MouseEventArgs&)e).moveDelta.d_x * mAvgFrameTime * MOVESPEED; |
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292 | mTranslateVector.y += -((const MouseEventArgs&)e).moveDelta.d_y * mAvgFrameTime * MOVESPEED; |
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293 | //mTranslateVector.z = 0; |
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294 | MouseCursor::getSingleton().setPosition( mLastMousePosition ); |
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295 | mUpdateMovement = true; |
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296 | } |
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297 | else |
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298 | { |
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299 | if( mRMBDown && mLMBDown) |
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300 | { |
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301 | mTranslateVector.z += (((const MouseEventArgs&)e).moveDelta.d_x + ((const MouseEventArgs&)e).moveDelta.d_y) * mAvgFrameTime * MOVESPEED; |
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302 | MouseCursor::getSingleton().setPosition( mLastMousePosition ); |
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303 | mUpdateMovement = true; |
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304 | } |
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305 | |
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306 | } |
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307 | } |
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308 | |
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309 | return true; |
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310 | } |
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311 | |
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312 | //-------------------------------------------------------------------------- |
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313 | bool UIHandler::handleMouseButtonUp(const CEGUI::EventArgs& e) |
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314 | { |
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315 | using namespace CEGUI; |
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316 | |
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317 | //Window* wndw = ((const WindowEventArgs&)e).window; |
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318 | if( ((const MouseEventArgs&)e).button == LeftButton ) |
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319 | { |
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320 | mLMBDown = false; |
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321 | } |
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322 | |
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323 | if( ((const MouseEventArgs&)e).button == RightButton ) |
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324 | { |
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325 | mRMBDown = false; |
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326 | } |
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327 | if( !mLMBDown && !mRMBDown ) |
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328 | { |
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329 | MouseCursor::getSingleton().show(); |
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330 | if(mLastMousePositionSet) |
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331 | { |
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332 | MouseCursor::getSingleton().setPosition( mLastMousePosition ); |
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333 | mLastMousePositionSet = false; |
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334 | } |
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335 | mRoot->releaseInput(); |
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336 | } |
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337 | |
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338 | return true; |
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339 | } |
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340 | |
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341 | //-------------------------------------------------------------------------- |
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342 | bool UIHandler::handleMouseButtonDown(const CEGUI::EventArgs& e) |
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343 | { |
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344 | using namespace CEGUI; |
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345 | |
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346 | //Window* wndw = ((const WindowEventArgs&)e).window; |
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347 | if( ((const MouseEventArgs&)e).button == LeftButton ) |
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348 | { |
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349 | mLMBDown = true; |
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350 | } |
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351 | |
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352 | if( ((const MouseEventArgs&)e).button == RightButton ) |
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353 | { |
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354 | mRMBDown = true; |
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355 | } |
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356 | |
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357 | if( mLMBDown || mRMBDown ) |
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358 | { |
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359 | MouseCursor::getSingleton().hide(); |
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360 | if (!mLastMousePositionSet) |
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361 | { |
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362 | mLastMousePosition = MouseCursor::getSingleton().getPosition(); |
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363 | mLastMousePositionSet = true; |
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364 | } |
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365 | mRoot->captureInput(); |
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366 | } |
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367 | |
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368 | return true; |
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369 | } |
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370 | |
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371 | //-------------------------------------------------------------------------- |
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372 | bool UIHandler::handleMouseWheelEvent(const CEGUI::EventArgs& e) |
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373 | { |
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374 | using namespace CEGUI; |
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375 | mTranslateVector.z += ((const MouseEventArgs&)e).wheelChange * -5.0; |
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376 | mUpdateMovement = true; |
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377 | |
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378 | return true; |
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379 | } |
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380 | |
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381 | //-------------------------------------------------------------------------- |
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382 | bool UIHandler::handleKeyDownEvent(const CEGUI::EventArgs& e) |
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383 | { |
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384 | using namespace CEGUI; |
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385 | |
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386 | CheckMovementKeys( ((const KeyEventArgs&)e).scancode , true); |
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387 | |
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388 | return true; |
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389 | } |
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390 | |
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391 | //-------------------------------------------------------------------------- |
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392 | bool UIHandler::handleKeyUpEvent(const CEGUI::EventArgs& e) |
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393 | { |
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394 | using namespace CEGUI; |
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395 | CheckMovementKeys( ((const KeyEventArgs&)e).scancode, false ); |
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396 | |
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397 | return true; |
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398 | } |
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399 | |
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400 | //-------------------------------------------------------------------------- |
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401 | void UIHandler::CheckMovementKeys( CEGUI::Key::Scan scancode, bool state ) |
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402 | { |
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403 | using namespace CEGUI; |
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404 | |
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405 | switch ( scancode ) |
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406 | { |
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407 | case Key::A: |
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408 | mMoveLeft = state; |
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409 | break; |
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410 | |
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411 | case Key::D: |
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412 | mMoveRight = state; |
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413 | break; |
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414 | |
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415 | case Key::S: |
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416 | mMoveBck = state; |
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417 | break; |
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418 | |
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419 | case Key::W: |
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420 | mMoveFwd = state; |
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421 | break; |
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422 | |
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423 | default: |
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424 | break; |
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425 | |
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426 | } |
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427 | |
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428 | mProcessMovement = mMoveLeft || mMoveRight || mMoveFwd || mMoveBck; |
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429 | } |
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