source: code/branches/main_reto/src/OgreControl.cpp @ 123

#include "OgreControl.h"

#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
// 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


OgreControl::OgreControl()
{
        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 = "";
#endif
}


// standard destructor
OgreControl::~OgreControl()
{
        if (mRoot)
                delete mRoot;
}


/**------------- SETTING UP OGRE --------------**/

bool OgreControl::initialise(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();

        if (!configure())
                return false;

        return true;
}


/// Method which will define the source of resources (other than current folder)
void OgreControl::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
                }
        }
}


bool OgreControl::configure(void)
{
        // Show the configuration dialog and initialise the system
        // You can skip this and use root.restoreConfig() to load configuration
        // settings if you were sure there are valid ones saved in ogre.cfg
        if(!mRoot->restoreConfig() && !mRoot->showConfigDialog())
                return false;

        // user clicked OK so initialise
        // Here we choose to let the system create a default rendering window by passing 'true'
        mWindow = mRoot->initialise(true);
        mRoot->saveConfig();
        return true;
}


Root* OgreControl::getRoot(void)
{
        return mRoot;
}


RenderWindow* OgreControl::getRenderWindow(void)
{
        return mWindow;
}


Ogre::String OgreControl::getResourcePath(void)
{
        return mResourcePath;
}