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History: IntermediateTutorial3SourceCurrent
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Source of version: 9
(current)
{CODE(caption="BasicApp.h", wrap="1", colors="c++")} #ifndef BASICAPP_H #define BASICAPP_H #include <OgreRoot.h> #include <OgreCamera.h> #include <OgreViewport.h> #include <OgreSceneManager.h> #include <OgreRenderWindow.h> #include <OgreConfigFile.h> #include <OgreException.h> #include <OgreEntity.h> #include <OgreFrameListener.h> #include <OgreWindowEventUtilities.h> #include <OgreTerrain.h> #include <OgreTerrainGroup.h> #include <OgreSceneQuery.h> #include <OISEvents.h> #include <OISInputManager.h> #include <OISKeyboard.h> #include <OISMouse.h> #include <CEGUI/CEGUI.h> #include <CEGUI/RendererModules/Ogre/Renderer.h> #include <SdkCameraMan.h> class BasicApp : public Ogre::WindowEventListener, public Ogre::FrameListener, public OIS::KeyListener, public OIS::MouseListener { public: BasicApp(); ~BasicApp(); void go(); enum QueryFlags { NINJA_MASK = 1 << 0, ROBOT_MASK = 1 << 1 }; private: bool mShutdown; Ogre::Root* mRoot; Ogre::Camera* mCamera; Ogre::SceneManager* mSceneMgr; Ogre::RenderWindow* mWindow; Ogre::String mResourcesCfg; Ogre::String mPluginsCfg; OgreBites::SdkCameraMan* mCameraMan; virtual bool frameRenderingQueued(const Ogre::FrameEvent& fe); virtual bool keyPressed(const OIS::KeyEvent& ke); virtual bool keyReleased(const OIS::KeyEvent& ke); virtual bool mouseMoved(const OIS::MouseEvent& me); virtual bool mousePressed(const OIS::MouseEvent& me, OIS::MouseButtonID id); virtual bool mouseReleased(const OIS::MouseEvent& me, OIS::MouseButtonID id); virtual void windowResized(Ogre::RenderWindow* rw); virtual void windowClosed(Ogre::RenderWindow* rw); bool setup(); bool configure(); void chooseSceneManager(); void createCamera(); void createScene(); void destroyScene(); void createFrameListener(); void createViewports(); void setupResources(); void createResourceListener(); void loadResources(); // CEGUI CEGUI::OgreRenderer* mRenderer; bool setupCEGUI(); // OIS OIS::Mouse* mMouse; OIS::Keyboard* mKeyboard; OIS::InputManager* mInputMgr; // Terrain void setupTerrain(Ogre::Light* light); void defineTerrain(long x, long y); void initBlendMaps(Ogre::Terrain* terrain); void configureTerrainDefaults(Ogre::Light* light); bool mTerrainsImported; Ogre::TerrainGroup* mTerrainGroup; Ogre::TerrainGlobalOptions* mTerrainGlobals; ////////////////////// // Tutorial Section // ////////////////////// void handleCameraCollision(); float mRotSpd; bool mMovableFound, mRobotMode; bool mLMouseDown, mRMouseDown; Ogre::SceneNode* mCurObject; Ogre::RaySceneQuery* mRayScnQuery; }; #endif {CODE} {CODE(caption="BasicApp.cpp", wrap="1", colors="c++")} #include "BasicApp.h" BasicApp::BasicApp() : mShutdown(false), mRoot(0), mCamera(0), mSceneMgr(0), mWindow(0), mResourcesCfg(Ogre::StringUtil::BLANK), mPluginsCfg(Ogre::StringUtil::BLANK), mCameraMan(0), mRenderer(0), mMouse(0), mKeyboard(0), mInputMgr(0), mTerrainsImported(false), mTerrainGroup(0), mTerrainGlobals(0), mRotSpd(0.1), mRobotMode(true), mLMouseDown(false), mRMouseDown(false), mCurObject(0), mRayScnQuery(0) { } BasicApp::~BasicApp() { if (mCameraMan) delete mCameraMan; mSceneMgr->destroyQuery(mRayScnQuery); Ogre::WindowEventUtilities::removeWindowEventListener(mWindow, this); windowClosed(mWindow); delete mRoot; } void BasicApp::go() { #ifdef _DEBUG mResourcesCfg = "resources_d.cfg"; mPluginsCfg = "plugins_d.cfg"; #else mResourcesCfg = "resources.cfg"; mPluginsCfg = "plugins.cfg"; #endif if (!setup()) return; mRoot->startRendering(); destroyScene(); } bool BasicApp::frameRenderingQueued(const Ogre::FrameEvent& fe) { if (mKeyboard->isKeyDown(OIS::KC_ESCAPE)) mShutdown = true; if (mShutdown) return false; if (mWindow->isClosed()) return false; mKeyboard->capture(); mMouse->capture(); mCameraMan->frameRenderingQueued(fe); CEGUI::System::getSingleton().injectTimePulse(fe.timeSinceLastFrame); CEGUI::Window* terrainLabel = CEGUI::System::getSingleton().getDefaultGUIContext().getRootWindow()->getChild( "TerrainLabel"); if (mTerrainGroup->isDerivedDataUpdateInProgress()) { if (mTerrainsImported) terrainLabel->setText("Building terrain, please wait..."); else terrainLabel->setText("Updating textures, patience..."); } else { if (mRobotMode) terrainLabel->setText("Robot Mode"); else terrainLabel->setText("Ninja Mode"); if (mTerrainsImported) { mTerrainGroup->saveAllTerrains(true); mTerrainsImported = false; } } handleCameraCollision(); return true; } bool BasicApp::keyPressed(const OIS::KeyEvent& ke) { // CEGUI::GUIContext& context = CEGUI::System::getSingleton().getDefaultGUIContext(); // context.injectKeyDown((CEGUI::Key::Scan)ke.key); // context.injectChar((CEGUI::Key::Scan)ke.text); if (ke.key == OIS::KC_SPACE) mRobotMode = !mRobotMode; mCameraMan->injectKeyDown(ke); return true; } bool BasicApp::keyReleased(const OIS::KeyEvent& ke) { // CEGUI::GUIContext& context = CEGUI::System::getSingleton().getDefaultGUIContext(); // context.injectKeyUp((CEGUI::Key::Scan)ke.key); mCameraMan->injectKeyUp(ke); return true; } bool BasicApp::mouseMoved(const OIS::MouseEvent& me) { CEGUI::GUIContext& context = CEGUI::System::getSingleton().getDefaultGUIContext(); context.injectMouseMove(me.state.X.rel, me.state.Y.rel); // mCameraMan->injectMouseMove(me); if (mLMouseDown) { CEGUI::Vector2f mousePos = context.getMouseCursor().getPosition(); Ogre::Ray mouseRay = mCamera->getCameraToViewportRay( mousePos.d_x / float(me.state.width), mousePos.d_y / float(me.state.height)); Ogre::TerrainGroup::RayResult result = mTerrainGroup->rayIntersects(mouseRay); if (result.terrain) mCurObject->setPosition(result.position); } else if (mRMouseDown) { mCamera->yaw(Ogre::Degree(-me.state.X.rel * mRotSpd)); mCamera->pitch(Ogre::Degree(-me.state.Y.rel * mRotSpd)); } return true; } // Helper function for mouse events CEGUI::MouseButton convertButton(OIS::MouseButtonID id) { switch (id) { case OIS::MB_Left: return CEGUI::LeftButton; case OIS::MB_Right: return CEGUI::RightButton; case OIS::MB_Middle: return CEGUI::MiddleButton; default: return CEGUI::LeftButton; } } bool BasicApp::mousePressed(const OIS::MouseEvent& me, OIS::MouseButtonID id) { CEGUI::GUIContext& context = CEGUI::System::getSingleton().getDefaultGUIContext(); context.injectMouseButtonDown(convertButton(id)); // mCameraMan->injectMouseDown(me, id); if (id == OIS::MB_Left) { if (mCurObject) mCurObject->showBoundingBox(false); CEGUI::Vector2f mousePos = context.getMouseCursor().getPosition(); Ogre::Ray mouseRay = mCamera->getCameraToViewportRay( mousePos.d_x / float(me.state.width), mousePos.d_y / float(me.state.height)); mRayScnQuery->setRay(mouseRay); mRayScnQuery->setSortByDistance(true); mRayScnQuery->setQueryMask(mRobotMode ? ROBOT_MASK : NINJA_MASK); Ogre::RaySceneQueryResult& result = mRayScnQuery->execute(); Ogre::RaySceneQueryResult::iterator it = result.begin(); mMovableFound = false; for ( ; it != result.end(); it++) { mMovableFound = it->movable && it->movable->getName() != "" && it->movable->getName() != "PlayerCam"; if (mMovableFound) { mCurObject = it->movable->getParentSceneNode(); break; } } if (!mMovableFound) { Ogre::TerrainGroup::RayResult terrainResult = mTerrainGroup->rayIntersects(mouseRay); if (terrainResult.terrain) { Ogre::Entity* ent; if (mRobotMode) { ent = mSceneMgr->createEntity("robot.mesh"); ent->setQueryFlags(ROBOT_MASK); } else { ent = mSceneMgr->createEntity("ninja.mesh"); ent->setQueryFlags(NINJA_MASK); } mCurObject = mSceneMgr->getRootSceneNode()->createChildSceneNode(); mCurObject->setPosition(terrainResult.position); mCurObject->setScale(0.2, 0.2, 0.2); mCurObject->attachObject(ent); } } mLMouseDown = true; } else if (id == OIS::MB_Right) { context.getMouseCursor().hide(); mRMouseDown = true; } if (mCurObject) mCurObject->showBoundingBox(true); return true; } bool BasicApp::mouseReleased(const OIS::MouseEvent& me, OIS::MouseButtonID id) { CEGUI::GUIContext& context = CEGUI::System::getSingleton().getDefaultGUIContext(); context.injectMouseButtonUp(convertButton(id)); // mCameraMan->injectMouseUp(me, id); if (id == OIS::MB_Left) { mLMouseDown = false; } else if (id == OIS::MB_Right) { context.getMouseCursor().show(); mRMouseDown = false; } return true; } void BasicApp::windowResized(Ogre::RenderWindow* rw) { unsigned int width, height, depth; int left, top; rw->getMetrics(width, height, depth, left, top); const OIS::MouseState& ms = mMouse->getMouseState(); ms.width = width; ms.height = height; } void BasicApp::windowClosed(Ogre::RenderWindow* rw) { if (rw == mWindow) { if (mInputMgr) { mInputMgr->destroyInputObject(mMouse); mInputMgr->destroyInputObject(mKeyboard); OIS::InputManager::destroyInputSystem(mInputMgr); mInputMgr = 0; } } } bool BasicApp::setup() { mRoot = new Ogre::Root(mPluginsCfg); setupResources(); if (!configure()) return false; chooseSceneManager(); createCamera(); createViewports(); Ogre::TextureManager::getSingleton().setDefaultNumMipmaps(5); createResourceListener(); loadResources(); setupCEGUI(); createScene(); createFrameListener(); mRayScnQuery = mSceneMgr->createRayQuery(Ogre::Ray()); return true; } bool BasicApp::configure() { if (!(mRoot->restoreConfig() || mRoot->showConfigDialog())) { return false; } mWindow = mRoot->initialise(true, "ITutorial"); return true; } void BasicApp::chooseSceneManager() { mSceneMgr = mRoot->createSceneManager(Ogre::ST_EXTERIOR_CLOSE); } void BasicApp::createCamera() { mCamera = mSceneMgr->createCamera("PlayerCam"); mCamera->setPosition(Ogre::Vector3(0, 0, 80)); mCamera->lookAt(Ogre::Vector3(0, 0, -300)); mCamera->setNearClipDistance(5); mCameraMan = new OgreBites::SdkCameraMan(mCamera); } void BasicApp::createScene() { mSceneMgr->setAmbientLight(Ogre::ColourValue(0.7, 0.7, 0.7)); mSceneMgr->setSkyDome(true, "Examples/CloudySky", 5, 8); mCamera->setPosition(40, 100, 580); mCamera->pitch(Ogre::Degree(-30)); mCamera->yaw(Ogre::Degree(-45)); mCamera->setNearClipDistance(0.1); mCamera->setFarClipDistance(50000); Ogre::Vector3 lightDir(0.55, 0.3, 0.75); lightDir.normalise(); Ogre::Light* light = mSceneMgr->createLight("SceneLight"); light->setType(Ogre::Light::LT_DIRECTIONAL); light->setDirection(lightDir); light->setDiffuseColour(Ogre::ColourValue(0.4, 0.4, 0.4)); light->setSpecularColour(Ogre::ColourValue(0.2, 0.2, 0.2)); setupTerrain(light); CEGUI::WindowManager& wmgr = CEGUI::WindowManager::getSingleton(); CEGUI::Window* rootWin = wmgr.loadLayoutFromFile("test.layout"); CEGUI::System::getSingleton().getDefaultGUIContext().setRootWindow(rootWin); } void BasicApp::destroyScene() { } void BasicApp::createFrameListener() { Ogre::LogManager::getSingletonPtr()->logMessage("*** Initializing OIS ***"); OIS::ParamList pl; size_t windowHnd = 0; std::ostringstream windowHndStr; mWindow->getCustomAttribute("WINDOW", &windowHnd); windowHndStr << windowHnd; pl.insert(std::make_pair(std::string("WINDOW"), windowHndStr.str())); mInputMgr = OIS::InputManager::createInputSystem(pl); mKeyboard = static_cast<OIS::Keyboard*>( mInputMgr->createInputObject(OIS::OISKeyboard, true)); mMouse = static_cast<OIS::Mouse*>( mInputMgr->createInputObject(OIS::OISMouse, true)); mKeyboard->setEventCallback(this); mMouse->setEventCallback(this); windowResized(mWindow); Ogre::WindowEventUtilities::addWindowEventListener(mWindow, this); mRoot->addFrameListener(this); Ogre::LogManager::getSingletonPtr()->logMessage("Finished"); } void BasicApp::createViewports() { Ogre::Viewport* vp = mWindow->addViewport(mCamera); vp->setBackgroundColour(Ogre::ColourValue(0, 0, 0)); mCamera->setAspectRatio( Ogre::Real(vp->getActualWidth()) / Ogre::Real(vp->getActualHeight())); } void BasicApp::setupResources() { Ogre::ConfigFile cf; cf.load(mResourcesCfg); Ogre::String secName, typeName, archName; Ogre::ConfigFile::SectionIterator secIt = cf.getSectionIterator(); while (secIt.hasMoreElements()) { secName = secIt.peekNextKey(); Ogre::ConfigFile::SettingsMultiMap* settings = secIt.getNext(); Ogre::ConfigFile::SettingsMultiMap::iterator setIt; for (setIt = settings->begin(); setIt != settings->end(); ++setIt) { typeName = setIt->first; archName = setIt->second; Ogre::ResourceGroupManager::getSingleton().addResourceLocation( archName, typeName, secName); } } } void BasicApp::createResourceListener() { } void BasicApp::loadResources() { Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups(); } bool BasicApp::setupCEGUI() { Ogre::LogManager::getSingletonPtr()->logMessage("*** Initializing CEGUI ***"); mRenderer = &CEGUI::OgreRenderer::bootstrapSystem(); CEGUI::ImageManager::setImagesetDefaultResourceGroup("Imagesets"); CEGUI::Font::setDefaultResourceGroup("Fonts"); CEGUI::Scheme::setDefaultResourceGroup("Schemes"); CEGUI::WidgetLookManager::setDefaultResourceGroup("LookNFeel"); CEGUI::WindowManager::setDefaultResourceGroup("Layouts"); CEGUI::SchemeManager::getSingleton().createFromFile("TaharezLook.scheme"); CEGUI::FontManager::getSingleton().createFromFile("DejaVuSans-10.font"); CEGUI::GUIContext& context = CEGUI::System::getSingleton().getDefaultGUIContext(); context.setDefaultFont("DejaVuSans-10"); context.getMouseCursor().setDefaultImage("TaharezLook/MouseArrow"); Ogre::LogManager::getSingletonPtr()->logMessage("Finished"); return true; } void BasicApp::setupTerrain(Ogre::Light* light) { mTerrainGlobals = OGRE_NEW Ogre::TerrainGlobalOptions(); mTerrainGroup = OGRE_NEW Ogre::TerrainGroup( mSceneMgr, Ogre::Terrain::ALIGN_X_Z, 513, 12000.0); mTerrainGroup->setFilenameConvention( Ogre::String("terrain"), Ogre::String("dat")); mTerrainGroup->setOrigin(Ogre::Vector3::ZERO); configureTerrainDefaults(light); for (long x = 0; x <= 0; ++x) for (long y = 0; y <= 0; ++y) defineTerrain(x, y); mTerrainGroup->loadAllTerrains(true); if (mTerrainsImported) { Ogre::TerrainGroup::TerrainIterator ti = mTerrainGroup->getTerrainIterator(); while (ti.hasMoreElements()) { Ogre::Terrain* terrain = ti.getNext()->instance; initBlendMaps(terrain); } } mTerrainGroup->freeTemporaryResources(); } // Terrain helper function void getTerrainImage(bool flip_x, bool flip_y, Ogre::Image& img) { img.load("terrain.png", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); if (flip_x) img.flipAroundY(); if (flip_y) img.flipAroundX(); } void BasicApp::defineTerrain(long x, long y) { Ogre::String filename = mTerrainGroup->generateFilename(x, y); bool resource_exists = Ogre::ResourceGroupManager::getSingleton().resourceExists( mTerrainGroup->getResourceGroup(), filename); if (resource_exists) mTerrainGroup->defineTerrain(x, y); else { Ogre::Image img; getTerrainImage(x % 2 != 0, y % 2 != 0, img); mTerrainGroup->defineTerrain(x, y, &img); mTerrainsImported = true; } } void BasicApp::initBlendMaps(Ogre::Terrain* terrain) { Ogre::TerrainLayerBlendMap* blendMap0 = terrain->getLayerBlendMap(1); Ogre::TerrainLayerBlendMap* blendMap1 = terrain->getLayerBlendMap(2); Ogre::Real minHeight0 = 70; Ogre::Real fadeDist0 = 40; Ogre::Real minHeight1 = 70; Ogre::Real fadeDist1 = 15; float* blend0 = blendMap0->getBlendPointer(); float* blend1 = blendMap1->getBlendPointer(); for (Ogre::uint16 y = 0; y < terrain->getLayerBlendMapSize(); ++y) { for (Ogre::uint16 x = 0; x < terrain->getLayerBlendMapSize(); ++x) { Ogre::Real tx, ty; blendMap0->convertImageToTerrainSpace(x, y, &tx, &ty); Ogre::Real height = terrain->getHeightAtTerrainPosition(tx, ty); Ogre::Real val = (height - minHeight0) / fadeDist0; val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1); *blend0++ = val; val = (height - minHeight1) / fadeDist1; val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1); *blend1++ = val; } } blendMap0->dirty(); blendMap1->dirty(); blendMap0->update(); blendMap1->update(); } void BasicApp::configureTerrainDefaults(Ogre::Light* light) { mTerrainGlobals->setMaxPixelError(8); mTerrainGlobals->setCompositeMapDistance(3000); mTerrainGlobals->setLightMapDirection(light->getDerivedDirection()); mTerrainGlobals->setCompositeMapAmbient(mSceneMgr->getAmbientLight()); mTerrainGlobals->setCompositeMapDiffuse(light->getDiffuseColour()); Ogre::Terrain::ImportData& importData = mTerrainGroup->getDefaultImportSettings(); importData.terrainSize = 513; importData.worldSize = 12000.0f; importData.inputScale = 600; importData.minBatchSize = 33; importData.maxBatchSize = 65; importData.layerList.resize(3); importData.layerList[0].worldSize = 100; importData.layerList[0].textureNames.push_back( "dirt_grayrocky_diffusespecular.dds"); importData.layerList[0].textureNames.push_back( "dirt_grayrocky_normalheight.dds"); importData.layerList[1].worldSize = 30; importData.layerList[1].textureNames.push_back( "grass_green-01_diffusespecular.dds"); importData.layerList[1].textureNames.push_back( "grass_green-01_normalheight.dds"); importData.layerList[2].worldSize = 200; importData.layerList[2].textureNames.push_back( "growth_weirdfungus-03_diffusespecular.dds"); importData.layerList[2].textureNames.push_back( "growth_weirdfungus-03_normalheight.dds"); } void BasicApp::handleCameraCollision() { Ogre::Vector3 camPos = mCamera->getPosition(); Ogre::Ray camRay( Ogre::Vector3(camPos.x, 5000.0, camPos.z), Ogre::Vector3::NEGATIVE_UNIT_Y); Ogre::TerrainGroup::RayResult result = mTerrainGroup->rayIntersects(camRay); if (result.terrain) { Ogre::Real terrainHeight = result.position.y; if (camPos.y < (terrainHeight + 10.0)) mCamera->setPosition(camPos.x, terrainHeight + 10.0, camPos.z); } } #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 #define WIN32_LEAN_AND_MEAN #include "windows.h" #endif #ifdef __cplusplus extern "C" { #endif #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 INT WINAPI WinMain(HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT) #else int main(int argc, char *argv[]) #endif { BasicApp app; try { app.go(); } catch(Ogre::Exception& e) { #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL); #else std::cerr << "An exception has occured: " << e.getFullDescription().c_str() << std::endl; #endif } return 0; } #ifdef __cplusplus } #endif {CODE}
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