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ExampleApplication.h - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\ExampleApplication.h
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/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright (c) 2000-2006 Torus Knot Software Ltd Also see acknowledgements in Readme.html You may use this sample code for anything you like, it is not covered by the LGPL like the rest of the engine. ----------------------------------------------------------------------------- */ /* ----------------------------------------------------------------------------- Filename: ExampleApplication.h Description: Base class for all the OGRE examples ----------------------------------------------------------------------------- */ #ifndef __ExampleApplication_H__ #define __ExampleApplication_H__ #include "precompiled.h" //#include "ExampleFrameListener.h" #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE #include
// This function will locate the path to our application on OS X, // unlike windows you can not rely on the curent working directory // for locating your configuration files and resources. std::string macBundlePath() { char path[1024]; CFBundleRef mainBundle = CFBundleGetMainBundle(); assert(mainBundle); CFURLRef mainBundleURL = CFBundleCopyBundleURL(mainBundle); assert(mainBundleURL); CFStringRef cfStringRef = CFURLCopyFileSystemPath( mainBundleURL, kCFURLPOSIXPathStyle); assert(cfStringRef); CFStringGetCString(cfStringRef, path, 1024, kCFStringEncodingASCII); CFRelease(mainBundleURL); CFRelease(cfStringRef); return std::string(path); } #endif using namespace Ogre; /** Base class which manages the standard startup of an Ogre application. Designed to be subclassed for specific examples if required. */ class ExampleApplication { public: /// Standard constructor ExampleApplication() { //mFrameListener = 0; mRoot = 0; // Provide a nice cross platform solution for locating the configuration files // On windows files are searched for in the current working directory, on OS X however // you must provide the full path, the helper function macBundlePath does this for us. #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE mResourcePath = macBundlePath() + "/Contents/Resources/"; #else mResourcePath = "./config/"; #endif #ifdef _DEBUG mResourcePath = mResourcePath + "debug/"; #else mResourcePath = mResourcePath + "release/"; #endif } /// Standard destructor virtual ~ExampleApplication() { //if (mFrameListener) // delete mFrameListener; if (mRoot) delete mRoot; } /// Start the example virtual void go(void) { if (!setup()) return; mRoot->startRendering(); // clean up destroyScene(); } protected: Root *mRoot; Camera* mCamera; SceneManager* mSceneMgr; //ExampleFrameListener* mFrameListener; RenderWindow* mWindow; Ogre::String mResourcePath; // These internal methods package up the stages in the startup process /** Sets up the application - returns false if the user chooses to abandon configuration. */ virtual bool setup(void) { String pluginsPath; // only use plugins.cfg if not static #ifndef OGRE_STATIC_LIB pluginsPath = mResourcePath + "plugins.cfg"; #endif mRoot = new Root(pluginsPath, mResourcePath + "ogre.cfg", mResourcePath + "Ogre.log"); setupResources(); bool carryOn = configure(); if (!carryOn) return false; chooseSceneManager(); createCamera(); createViewports(); // Set default mipmap level (NB some APIs ignore this) TextureManager::getSingleton().setDefaultNumMipmaps(5); // Create any resource listeners (for loading screens) createResourceListener(); // Load resources loadResources(); // Create the scene createScene(); createFrameListener(); return true; } /** Configures the application - returns false if the user chooses to abandon configuration. */ virtual bool configure(void); virtual void chooseSceneManager(void) { // Create the SceneManager, in this case a generic one mSceneMgr = mRoot->createSceneManager(ST_GENERIC, "ExampleSMInstance"); } virtual void createCamera(void) { // Create the camera mCamera = mSceneMgr->createCamera("PlayerCam"); // Position it at 500 in Z direction mCamera->setPosition(Vector3(0,0,500)); // Look back along -Z mCamera->lookAt(Vector3(0,0,-300)); mCamera->setNearClipDistance(5); } virtual void createFrameListener(void) { /*mFrameListener= new ExampleFrameListener(mWindow, mCamera); mFrameListener->showDebugOverlay(true); mRoot->addFrameListener(mFrameListener);*/ } virtual void createScene(void) = 0; // pure virtual - this has to be overridden virtual void destroyScene(void){} // Optional to override this virtual void createViewports(void) { // Create one viewport, entire window Viewport* vp = mWindow->addViewport(mCamera); vp->setBackgroundColour(ColourValue(0,0,0)); // Alter the camera aspect ratio to match the viewport mCamera->setAspectRatio( Real(vp->getActualWidth()) / Real(vp->getActualHeight())); } /// Method which will define the source of resources (other than current folder) virtual void setupResources(void) { // Load resource paths from config file ConfigFile cf; cf.load(mResourcePath + "resources.cfg"); // Go through all sections & settings in the file ConfigFile::SectionIterator seci = cf.getSectionIterator(); String secName, typeName, archName; while (seci.hasMoreElements()) { secName = seci.peekNextKey(); ConfigFile::SettingsMultiMap *settings = seci.getNext(); ConfigFile::SettingsMultiMap::iterator i; for (i = settings->begin(); i != settings->end(); ++i) { typeName = i->first; archName = i->second; #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE // OS X does not set the working directory relative to the app, // In order to make things portable on OS X we need to provide // the loading with it's own bundle path location ResourceGroupManager::getSingleton().addResourceLocation( String(macBundlePath() + "/" + archName), typeName, secName); #else ResourceGroupManager::getSingleton().addResourceLocation( archName, typeName, secName); #endif } } } /// Optional override method where you can create resource listeners (e.g. for loading screens) virtual void createResourceListener(void) { } /// Optional override method where you can perform resource group loading /// Must at least do ResourceGroupManager::getSingleton().initialiseAllResourceGroups(); virtual void loadResources(void) { // Initialise, parse scripts etc ResourceGroupManager::getSingleton().initialiseAllResourceGroups(); } }; #endif
ExampleApplication.h
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