void
    GraphicsController::_initTerrainTextureArray()
{
    using namespace boost::filesystem;
    using namespace std;
    //open up the texture array directory and load up all the textures
    const Ogre::String textureDir("../materials/textures/texturearray/");
    Ogre::StringVector texNames;
    std::multimap<std::time_t, Ogre::String> resultSet;
    if(exists(textureDir))
    {
        directory_iterator end;
        for(directory_iterator iter(textureDir); iter != end; ++iter)
        {
            if(is_regular_file(*iter))
            {
                resultSet.insert(std::make_pair(boost::filesystem::last_write_time(iter->path()), iter->path().string()));
            }
        }
    }

    TexturePtr tex = TextureManager::getSingleton().createManual("TerrainTextureArrayTemp",
        Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
        Ogre::TEX_TYPE_2D_ARRAY,
        256, 256, texNames.size(),
        Ogre::MIP_UNLIMITED,
        Ogre::PF_R8G8B8A8
        , Ogre::TU_AUTOMIPMAP
        );
    //for(size_t i = 0; i < texNames.size(); ++i)
    for(auto iter = resultSet.begin(); iter != resultSet.begin(); ++iter) //iterate through texture name maps ascendingly by modification time.
    {
        Ogre::LogManager::getSingleton().getLog("App.log")->logMessage("Texture Array Texture: " + texNames[i]);

        Ogre::Image terrainTex;
        terrainTex.load(iter->second, "PROJECT_ZOMBIE");
        /*Ogre::TexturePtr terrainTex = Ogre::TextureManager::getSingleton().load(texNames[i],
            "PROJECT_ZOMBIE",
            Ogre::TEX_TYPE_2D);*/
        int numOfMipsArray = tex->getNumMipmaps();
        //int mips = terrainTex.getNumMipmaps();

        //numOfMipsArray = std::max(numOfMipsArray, mips);
        for(size_t mip = 0; mip < numOfMipsArray; ++mip)
        {
            Ogre::HardwarePixelBufferSharedPtr pixelBufferTex = tex->getBuffer(0, mip);
            //Ogre::HardwarePixelBufferSharedPtr pixelBufferTerrain = terrainTex->getBuffer();
            const PixelBox& currImage = pixelBufferTex->lock(Ogre::Box(0, 0, i, pixelBufferTex->getHeight(), pixelBufferTex->getHeight(), i + 1), Ogre::HardwareBuffer::HBL_NORMAL);
            //const PixelBox& terrainImage = pixelBufferTerrain->lock(Ogre::Box(0, 0, 0, pixelBufferTerrain->getHeight(), pixelBufferTerrain->getHeight(), 1), Ogre::HardwareBuffer::HBL_NORMAL);
            Ogre::PixelUtil::bulkPixelConversion(terrainTex.getPixelBox(0, mip), currImage);
            //pixelBufferTerrain->unlock();
            pixelBufferTex->unlock();

        }

        //Ogre::TextureManager::getSingleton().remove(terrainTex->getName());
    }



    Ogre::MaterialPtr mat = static_cast<Ogre::MaterialPtr>(
        Ogre::MaterialManager::getSingleton().getByName("PRJZ/Minecraft2"));
    if(mat.isNull())
        OGRE_EXCEPT(Ogre::Exception::ERR_INVALIDPARAMS, "Material pointer for PRJZ/Minecraft is not valid", "DeferredGraphicsManager::initialize");
    Ogre::TextureUnitState *ts = mat->getTechnique("lighting")->getPass(0)->createTextureUnitState();
    ts->setTextureName(tex->getName());
    //mat->getTechnique("lighting")->getPass(0)->getTextureUnitState("gBuffer1")->setTextureName(tex->getName()); //Disable this fore now and use scripted texture attachment becaues MRTT is not working. We will read diffuse texture in deferred pass.
    //mat->getTechnique("gbuffer")->getPass(0)->getTextureUnitState("gBuffer1")->setTextureName(tex->getName()); //Disable this fore now and use scripted texture attachment becaues MRTT is not working. We will read diffuse texture in deferred pass.
}