void OculusWorldDemoApp::InitMainFilePath()
{
    // We try alternative relative locations for the file.
    const String contentBase = pPlatform->GetContentDirectory() + "/" + WORLDDEMO_ASSET_PATH;
    const char* baseDirectories[] = { "",
                                      contentBase.ToCStr(),
                                      #ifdef SHRDIR
                                          #define STR1(x) #x
                                          #define STR(x)  STR1(x)
                                          STR(SHRDIR) "/OculusWorldDemo/Assets/Tuscany/"
                                      #endif
                                      };
    String newPath;

    for(size_t i = 0; i < OVR_ARRAY_COUNT(baseDirectories); ++i)
    {
        newPath  = baseDirectories[i];
        newPath += WORLDDEMO_ASSET_FILE;

        OVR_DEBUG_LOG(("Trying to load the scene at: %s...", newPath.ToCStr()));

        if (SysFile(newPath).IsValid())
        {
            OVR_DEBUG_LOG(("Success loading %s", newPath.ToCStr()));
            MainFilePath = newPath;
            return;
        }
    }

    OVR_DEBUG_LOG(("Unable to find any version of %s. Do you have your working directory set right?", WORLDDEMO_ASSET_FILE));
}
void OculusWorldDemoApp::InitMainFilePath()
{

    MainFilePath = WORLDDEMO_ASSET_FILE;	

    // Try to modify path for correctness in case specified file is not found.
    if (!SysFile(MainFilePath).IsValid())
    {
        String prefixPath1(pPlatform->GetContentDirectory() + "/" + WORLDDEMO_ASSET_PATH1),
            prefixPath2(WORLDDEMO_ASSET_PATH2),
            prefixPath3(WORLDDEMO_ASSET_PATH3),
            prefixPath4(WORLDDEMO_ASSET_PATH4);
        if (SysFile(prefixPath1 + MainFilePath).IsValid())
            MainFilePath = prefixPath1 + MainFilePath;
        else if (SysFile(prefixPath2 + MainFilePath).IsValid())
            MainFilePath = prefixPath2 + MainFilePath;
        else if (SysFile(prefixPath3 + MainFilePath).IsValid())
            MainFilePath = prefixPath3 + MainFilePath;
        else if (SysFile(prefixPath4 + MainFilePath).IsValid())
            MainFilePath = prefixPath4 + MainFilePath;
    }
}